/* 
========================================================================
   EZHUMIN TECHNOLOGIES - Global Stylesheet
   Theme: Premium, Modern, Cyber-Dark, Minimalist
   Inspiration: Apple, Tesla, Anduril, Shield AI
========================================================================
*/

/* ---------------------------------------------------------------------
   1. DESIGN TOKENS (CSS Custom Properties / System Registers)
   ---------------------------------------------------------------------
   In Embedded C, this is equivalent to your 'config.h' file containing
   #define configuration constants. These values are stored at the root 
   level of the document and can be referenced throughout the code.
--------------------------------------------------------------------- */
:root {
    /* Color Palette - Cyber Industrial Theme */
    --color-bg-base: #050507;         /* Deep space obsidian (primary page background) */
    --color-bg-surface: #101115;      /* Slate/carbon dark (card and section backgrounds) */
    --color-bg-surface-elevated: #16181f; /* Lightened carbon for hovers and overlays */
    
    --color-text-primary: #f8fafc;     /* Soft white (high readability, low eye strain) */
    --color-text-secondary: #94a3b8;   /* Cool muted gray (for descriptions and metadata) */
    --color-text-muted: #64748b;       /* Darker slate (for disabled text or captions) */
    
    --color-accent: #00f0ff;           /* Cyber Cyan (energy, IoT, and action triggers) */
    --color-accent-dim: rgba(0, 240, 255, 0.15); /* Semi-transparent cyan for glow states */
    --color-accent-hover: #00c8d6;     /* Darker cyan for hover transition end-points */
    
    --color-border: #1e293b;           /* Slate grey borders (subtle grid alignments) */
    --color-border-focus: #38bdf8;     /* Active register boundary (focus ring color) */

    /* Typography Scale (Major Third - 1.25 Ratio) */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Space Grotesk', 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
    
    --font-size-xs: 0.75rem;           /* 12px - Metadata, labels */
    --font-size-sm: 0.875rem;          /* 14px - Body secondary */
    --font-size-base: 1rem;            /* 16px - Base body text */
    --font-size-lg: 1.125rem;          /* 18px - Sub-headings, intro text */
    --font-size-xl: 1.25rem;           /* 20px - Card headers */
    --font-size-2xl: 1.5rem;           /* 24px - Section sub-headers */
    --font-size-3xl: 2rem;             /* 32px - Section headers */
    --font-size-4xl: 3rem;             /* 48px - Primary page headlines */
    --font-size-5xl: 4.5rem;           /* 72px - Hero section displays */

    /* Font Weights */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing System (8px / 0.5rem base) */
    --spacing-1: 0.25rem;              /* 4px */
    --spacing-2: 0.5rem;               /* 8px */
    --spacing-3: 0.75rem;              /* 12px */
    --spacing-4: 1rem;                 /* 16px */
    --spacing-5: 1.5rem;               /* 24px */
    --spacing-6: 2rem;                 /* 32px */
    --spacing-8: 3rem;                 /* 48px */
    --spacing-10: 4rem;                /* 64px */
    --spacing-12: 6rem;                /* 96px */
    --spacing-16: 8rem;                /* 128px */

    /* Grid & Structural Layout Constraints */
    --container-max-width: 1200px;     /* Maximum width of main content grid wrapper */
    --border-radius-sm: 4px;           /* Subtle corner rounding for small items (badges) */
    --border-radius-md: 8px;           /* Standard corner rounding (cards, buttons) */
    --border-radius-lg: 16px;          /* Premium panel corner rounding */
    
    /* Animation Registers (Duration and Curves) */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Hardware Accelerations and Effects */
    --shadow-glow: 0 0 20px var(--color-accent-dim);
    --glass-blur: blur(12px);
    --glass-bg: rgba(10, 11, 15, 0.75);
    --glass-border: rgba(255, 255, 255, 0.05);
}

/* ---------------------------------------------------------------------
   2. MODERN CSS RESET (Hardware Flush / Clearing Memory)
   ---------------------------------------------------------------------
   Like clearing RAM registers on initialization (e.g., memset).
   Ensures all browsers start from the exact same layout baseline.
--------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;            /* Include border/padding in width calculations */
    margin: 0;                         /* Flush default margin */
    padding: 0;                        /* Flush default padding */
}

/* Ensure smooth scrolling when anchor tags are triggered */
html {
    scroll-behavior: smooth;
    font-size: 16px;                   /* Base system font size */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--color-bg-base);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;                  /* Optimal baseline text spacing */
    overflow-x: hidden;                /* Prevent accidental horizontal scrolling */
}

/* Remove default list styling (clearing bullet configurations) */
ul, ol {
    list-style: none;
}

/* Make images fluid and prevent them from blowing out of layouts */
img, video {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Form and Action elements must inherit typography variables */
input, button, textarea, select {
    font: inherit;
    color: inherit;
    background: transparent;
    border: none;
}

/* Anchor reset (no default underlines, inherit color) */
a {
    text-decoration: none;
    color: inherit;
}

/* Make buttons act like clickable devices */
button {
    cursor: pointer;
}

/* ---------------------------------------------------------------------
   3. TYPOGRAPHY SYSTEM
   --------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    letter-spacing: -0.02em;           /* Tighter letter spacing for premium headlines */
    color: var(--color-text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }

/* Typography styling helpers */
.section-subtitle {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.15em;            /* Spaced monospaced text for a high-tech radar label */
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-3);
}

/* ---------------------------------------------------------------------
   4. LAYOUT CONTROLLERS (Grid, Flex, and Containers)
   --------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-6);
    padding-right: var(--spacing-6);
}

/* Centered flex wrapper */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Flexible grid system wrapper */
.grid {
    display: grid;
    gap: var(--spacing-6);
}

/* 2-Column Grid (Desktop Default) */
.grid-2 {
    grid-template-columns: 1fr;
}

/* 3-Column Grid (Desktop Default) */
.grid-3 {
    grid-template-columns: 1fr;
}

/* 4-Column Grid (Desktop Default) */
.grid-4 {
    grid-template-columns: 1fr;
}

/* Responsive grid overrides (Media Queries / Hardware Limits) */
@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------------------------------------------------------------------
   5. BUTTON & COMPONENT BASES
   --------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg-base);
    border: 1px solid var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    box-shadow: var(--shadow-glow);   /* Create a radiant energy glow on hover */
    transform: translateY(-2px);       /* Subtle lift simulation */
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

/* ---------------------------------------------------------------------
   6. GLOBAL STRUCTURAL BLOCKS (Header, Sections, Footer)
   --------------------------------------------------------------------- */

/* Sticky Header - Starts transparent, transitions to blur-dark on scroll */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;                     /* Priority stack level */
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
    padding: var(--spacing-2) 0;       /* Start slightly taller */
}

/* Scrolled state class - triggered by JS scroll monitor */
.site-header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur); /* Safari engine compatibility */
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    padding: 0;                        /* Squeeze height slightly on scroll for premium sleek feel */
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-4) var(--spacing-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
    z-index: 1002;                     /* Ensure logo stays above mobile drawer */
}

.logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
}

.logo-subtext {
    font-size: 0.65rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.25em;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* Mobile Menu Toggle Button (Hamburger) */
.mobile-nav-toggle {
    display: none;                     /* Hidden on Desktop */
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1002;                     /* Keep above mobile menu drawer overlay */
    padding: 0;
}

.hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-normal), background-color var(--transition-normal);
}

/* Active hamburger animations to form an 'X' */
.mobile-nav-toggle.is-active .hamburger-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    background-color: var(--color-accent);
}

.mobile-nav-toggle.is-active .hamburger-bar:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.is-active .hamburger-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    background-color: var(--color-accent);
}

/* Main Navigation Container */
.main-navigation > ul {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-navigation > ul > li {
    position: relative;
}

.main-navigation > ul > li > a {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
    padding: var(--spacing-2) 0;
    text-decoration: none;
}

/* Sliding underline animation effect for top-level links */
.main-navigation > ul > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-fast);
}

.main-navigation > ul > li > a:hover {
    color: var(--color-accent);
}

.main-navigation > ul > li > a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ---------------------------------------------------------------------
   NAVIGATION DROPDOWN (EDUCATION DISCIPLINES)
   --------------------------------------------------------------------- */
.nav-dropdown-item {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}

.dropdown-chevron {
    transition: transform var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
}

.nav-dropdown-item:hover .dropdown-chevron,
.nav-dropdown-item.is-open .dropdown-chevron {
    transform: rotate(180deg);
    color: var(--color-accent);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    width: 590px;
    max-width: 92vw;
    background: rgba(9, 11, 16, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 240, 255, 0.22);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(0, 240, 255, 0.15);
    padding: var(--spacing-4) var(--spacing-5);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
    z-index: 1005;
}

/* Invisible hover bridge */
.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -18px;
    left: 0;
    width: 100%;
    height: 18px;
    background: transparent;
}

.nav-dropdown-item:hover .nav-dropdown-menu,
.nav-dropdown-item.is-open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dropdown-header-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-accent);
}

.dropdown-header-count {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: var(--spacing-3) 0;
}

.dropdown-dept-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.dropdown-dept-link:hover {
    background: rgba(0, 240, 255, 0.08);
    border-color: rgba(0, 240, 255, 0.35);
    transform: translateX(3px);
}

.dept-badge-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-accent);
    background: rgba(0, 240, 255, 0.12);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 4px;
    padding: 2px 5px;
    flex-shrink: 0;
}

.dept-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.dept-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--transition-fast);
}

.dropdown-dept-link:hover .dept-title {
    color: var(--color-accent);
}

.dept-subtitle {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-menu-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--spacing-2);
    text-align: center;
}

.dropdown-footer-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dropdown-footer-link:hover {
    color: var(--color-accent-hover);
    transform: translateX(3px);
}

/* Responsive Styles for Mobile Nav Drawer (< 768px) */
@media (max-width: 767px) {
    .mobile-nav-toggle {
        display: flex;                 /* Reveal hamburger toggle */
    }

    .main-navigation {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg-base);
        border-left: 1px solid var(--color-border);
        z-index: 1001;                 /* Under hamburger button, but above content */
        display: flex;
        align-items: flex-start;
        justify-content: center;
        transform: translateX(100%);   /* Slide completely off-screen to the right */
        visibility: hidden;            /* Accessibility focus trap fix */
        transition: transform var(--transition-normal), visibility var(--transition-normal);
        padding: var(--spacing-16) var(--spacing-6) var(--spacing-8);
        overflow-y: auto;
    }

    /* Stack items vertically inside drawer */
    .main-navigation > ul {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-4);
        width: 100%;
    }

    .main-navigation > ul > li {
        width: 100%;
        text-align: center;
    }

    .main-navigation > ul > li > a {
        font-size: var(--font-size-lg);
        font-weight: var(--font-weight-semibold);
        color: var(--color-text-primary);
        width: 100%;
        text-align: center;
        padding: var(--spacing-3);
        display: block;
    }

    .main-navigation > ul > li > a::after {
        display: none;                 /* Remove sliding lines on mobile view */
    }

    /* Mobile Dropdown Accordion */
    .nav-dropdown-item {
        width: 100%;
        flex-direction: column;
        align-items: center;
    }

    .nav-dropdown-toggle {
        width: 100%;
        justify-content: center;
        padding: var(--spacing-3);
    }

    .nav-dropdown-menu {
        position: static;
        transform: none !important;
        width: 100%;
        max-width: 100%;
        background: rgba(0, 240, 255, 0.03);
        border: 1px solid rgba(0, 240, 255, 0.15);
        border-radius: var(--border-radius-md);
        margin-top: 4px;
        padding: var(--spacing-3);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: max-height 0.4s ease, opacity 0.3s ease;
        box-shadow: none;
    }

    .nav-dropdown-item.is-open .nav-dropdown-menu {
        max-height: 900px;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .dropdown-grid {
        grid-template-columns: 1fr;
        gap: 6px;
        max-height: 50vh;
        overflow-y: auto;
    }

    .dropdown-dept-link {
        padding: 8px 10px;
    }

    .dept-title {
        font-size: 0.9rem;
    }

    /* Slide in active mobile menu */
    .main-navigation.is-active {
        transform: translateX(0);      /* Shift into viewport */
        visibility: visible;
    }
}

/* Generic Section Spacing */
section {
    padding-top: var(--spacing-16);
    padding-bottom: var(--spacing-16);
    border-bottom: 1px solid var(--color-border);
}

.section-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--spacing-6);
    padding-right: var(--spacing-6);
}

/* Individual Content Blocks Layout styles */
/* 1. Hero Section Layout & Overlay Systems */
/* Individual Content Blocks Layout styles */
/* 1. Hero Section Layout & Overlay Systems */
.hero-section {
    height: 100vh;
    min-height: 520px;
    max-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 60px;
    padding-bottom: var(--spacing-4);
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

/* Background canvas container */
.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;                       /* Send background behind copy */
}

/* Procedural tech gradient & generated image asset */
.hero-media-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/images/cinematic_hero_bg.png');
    background-size: cover;
    background-position: center 30%;
    background-repeat: no-repeat;
    transform: scale(1.05); /* Slight scale to prevent edge gaps with parallax */
}

/* Sci-Fi Grid Overlay (Pure CSS, hardware-accelerated) */
.hero-grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center top;
    opacity: 0.6;
    animation: grid-glow-breath 8s infinite alternate ease-in-out;
}

@keyframes grid-glow-breath {
    0% { opacity: 0.4; }
    100% { opacity: 0.75; }
}

/* Radial Glow simulating an energy core */
.hero-overlay-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 45%, rgba(0, 240, 255, 0.15) 0%, transparent 60%);
    mix-blend-mode: color-dodge;
}

/* Bottom Dark Fade and overlay dims */
.hero-overlay-dark {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(5, 5, 7, 0.8) 0%, rgba(5, 5, 7, 0.6) 50%, var(--color-bg-base) 98%);
}

/* Floating Particle Overlay */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background-color: var(--color-accent);
    border-radius: 50%;
    opacity: 0;
    box-shadow: 0 0 8px var(--color-accent);
    pointer-events: none;
}

.p-1 { width: 3px; height: 3px; left: 15%; top: 60%; animation: particle-float-up-left 12s infinite linear; }
.p-2 { width: 2px; height: 2px; left: 35%; top: 75%; animation: particle-float-up-right 16s infinite linear; }
.p-3 { width: 4px; height: 4px; left: 75%; top: 50%; animation: particle-float-up-left 14s infinite linear; }
.p-4 { width: 2px; height: 2px; left: 55%; top: 40%; animation: particle-float-up-right 18s infinite linear; }
.p-5 { width: 3px; height: 3px; left: 85%; top: 80%; animation: particle-float-up-left 15s infinite linear; }

@keyframes particle-float-up-left {
    0% { transform: translateY(100px) translateX(0); opacity: 0; }
    20% { opacity: 0.5; }
    80% { opacity: 0.5; }
    100% { transform: translateY(-300px) translateX(-50px); opacity: 0; }
}

@keyframes particle-float-up-right {
    0% { transform: translateY(100px) translateX(0); opacity: 0; }
    20% { opacity: 0.5; }
    80% { opacity: 0.5; }
    100% { transform: translateY(-300px) translateX(50px); opacity: 0; }
}

/* Hero Content alignment wrapper */
.hero-content {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    padding: 0 var(--spacing-4);
    z-index: 1;                        /* Keep above background canvas */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Advanced Title Stack */
.hero-title {
    margin-bottom: var(--spacing-3);
    line-height: 1.1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-1);
}

.company-brand-name {
    font-size: clamp(1.8rem, 4.2vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    background: linear-gradient(180deg, var(--color-text-primary) 30%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fade-slide-up 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.company-tagline {
    font-size: clamp(0.85rem, 1.8vw, 1.15rem);
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
    margin-top: 2px;
    animation: fade-slide-up 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Animated Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-3);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: fade-in 2s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.mouse-frame {
    display: block;
    width: 26px;
    height: 42px;
    border: 2px solid var(--color-text-muted);
    border-radius: 13px;
    position: relative;
    opacity: 0.6;
    transition: opacity var(--transition-fast), border-color var(--transition-fast);
}

.hero-scroll-indicator:hover .mouse-frame {
    opacity: 1;
    border-color: var(--color-accent);
}

.mouse-wheel {
    display: block;
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel-slide 2s infinite ease-in-out;
}

/* =========================================================================
   8. PREMIUM ANIMATION SYSTEMS (Apple & Tesla Style)
   ========================================================================= */

/* Reveal on Scroll Baseline */
.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 1200ms cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1200ms cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;   /* Registers element rendering boundary in GPU memory */
}

/* Active Class (Invoked by IntersectionObserver ISR) */
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Dynamic Grid Card Staggering (Sequential delay timings) */
.services-grid > article:nth-child(1),
.products-grid > article:nth-child(1),
.tech-grid > div:nth-child(1) { transition-delay: 0ms; }

.services-grid > article:nth-child(2),
.products-grid > article:nth-child(2),
.tech-grid > div:nth-child(2) { transition-delay: 100ms; }

.services-grid > article:nth-child(3),
.products-grid > article:nth-child(3),
.tech-grid > div:nth-child(3) { transition-delay: 200ms; }

.services-grid > article:nth-child(4),
.products-grid > article:nth-child(4) { transition-delay: 300ms; }

/* Parallax GPU constraint rules */
.hero-bg-container {
    will-change: transform;
    transition: transform 150ms cubic-bezier(0.25, 0.8, 0.25, 1); /* Smooths parallax scroll noise */
}

/* Keyframe Animations (GPU accelerated transitions) */
@keyframes scroll-wheel-slide {
    0% {
        transform: translate(-50%, 0);
        opacity: 1;
    }
    40% {
        transform: translate(-50%, 10px);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, 0);
        opacity: 0;
    }
}

@keyframes fade-slide-up {
    0% {
        transform: translateY(30px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* About Layout */
.about-grid {
    margin-top: var(--spacing-8);
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
    max-width: 800px;
}

/* Mission & Vision Styling */
.mission-section, .vision-section {
    background-color: var(--color-bg-surface);
}

.mission-statement, .vision-statement {
    font-size: clamp(1.25rem, 4vw, var(--font-size-2xl));
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    color: var(--color-text-primary);
    border-left: 2px solid var(--color-accent);
    padding-left: var(--spacing-6);
    margin-top: var(--spacing-6);
}

/* Services Design - Grid elements */
.services-grid, .products-grid {
    display: grid;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.service-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    transition: all var(--transition-normal);
}

.service-card:hover {
    border-color: var(--color-accent);
    background-color: var(--color-bg-surface-elevated);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px -15px rgba(0, 240, 255, 0.2);
}

.service-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-4);
}

.service-card h3, .product-card h3 {
    margin-bottom: var(--spacing-3);
}

.service-card p, .product-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Products styling */
.product-card {
    background-color: var(--color-bg-base);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-8) var(--spacing-6);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.product-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.product-badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: var(--font-weight-bold);
    background-color: var(--color-border);
    color: var(--color-accent);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-sm);
    text-transform: uppercase;
}

/* Technology Stack Grid */
.tech-grid {
    display: grid;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.tech-category {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-6);
}

.tech-category h3 {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    color: var(--color-accent);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tech-category ul li {
    position: relative;
    padding-left: var(--spacing-4);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-2);
}

.tech-category ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Why Choose Us / Advantage section */
.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.benefit-item {
    border-left: 2px solid var(--color-border);
    padding-left: var(--spacing-5);
    transition: border-color var(--transition-fast);
}

.benefit-item:hover {
    border-color: var(--color-accent);
}

.benefit-item h3 {
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-lg);
}

.benefit-item p {
    color: var(--color-text-secondary);
    max-width: 800px;
}

/* Call to Action Section (CTA) */
.cta-section {
    background-color: var(--color-bg-surface);
    text-align: center;
}

.cta-container {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-8) var(--spacing-6);
}

.cta-container h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
}

.cta-container p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-6);
}

.cta-info {
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.cta-info strong {
    color: var(--color-accent);
}

/* ---------------------------------------------------------------------
   8. MINOVA PRODUCT PORTFOLIO, TOPOLOGY FLOW & ROADMAP STYLES
   --------------------------------------------------------------------- */

/* Philosophy Grids */
.philosophy-grid {
    display: grid;
    gap: var(--spacing-8);
    grid-template-columns: 1fr;
    margin-bottom: var(--spacing-10);
}

@media (min-width: 768px) {
    .philosophy-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.values-grid {
    display: grid;
    gap: var(--spacing-6);
    grid-template-columns: 1fr;
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-8);
}

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.value-item {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    transition: all var(--transition-normal);
}

.value-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.value-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-4);
}

.value-item h3 {
    margin-bottom: var(--spacing-2);
}

.value-item p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Section Introductions */
.section-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 800px;
    margin-bottom: var(--spacing-8);
}

/* Premium Glassmorphic Product Slider */
.slider-wrapper {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: var(--spacing-10) auto 0 auto;
}

.slider-viewport {
    width: 100%;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
}

.slider-track {
    display: flex;
    width: 100%;
    cursor: grab;
    user-select: none;
    touch-action: pan-y;
}

.slider-track.dragging {
    cursor: grabbing;
}

.slider-slide {
    flex-shrink: 0;
    width: 100%;
    padding: var(--spacing-1); /* Small breathing room for borders */
}

/* Glassmorphic Product Card details inside slide */
.product-showcase-card {
    display: flex;
    flex-direction: column;
    background: rgba(16, 17, 21, 0.6);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6) var(--spacing-6) var(--spacing-8) var(--spacing-6);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    height: 100%;
    user-select: none;
}

.product-showcase-card:hover {
    border-color: rgba(0, 240, 255, 0.4);
    box-shadow: 0 0 35px rgba(0, 240, 255, 0.12);
}

.product-showcase-card .card-image-wrapper {
    width: 100%;
    height: 200px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background-color: #050507;
    border: 1px solid rgba(255, 255, 255, 0.04);
    margin-bottom: var(--spacing-5);
    position: relative;
    pointer-events: none; /* Prevent browser drag */
}

@media (min-width: 576px) {
    .product-showcase-card .card-image-wrapper {
        height: 280px;
    }
}

.product-showcase-card .card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none; /* Prevent drag issues */
}

.card-body {
    display: flex;
    flex-direction: column;
}

.card-badge {
    align-self: flex-start;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-1);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
    color: var(--color-text-primary);
}

.card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-5);
}

/* Card Specs Stats Row (No Lists, No Tables) */
.card-stats-row {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.card-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.stat-label {
    font-size: 10px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

/* Tech badge capsules */
.tech-badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
}

.tech-pill {
    font-size: 10px;
    font-weight: var(--font-weight-medium);
    background-color: rgba(0, 240, 255, 0.06);
    color: var(--color-accent);
    border: 1px solid rgba(0, 240, 255, 0.12);
    padding: 2px 8px;
    border-radius: 12px;
    white-space: nowrap;
}

.card-btn {
    width: 100%;
    text-align: center;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Glassmorphic Arrows */
.slider-btn {
    position: absolute;
    top: 40%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(16, 17, 21, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.slider-btn:hover {
    background: rgba(16, 17, 21, 0.7);
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
    color: var(--color-accent);
}

.slider-btn:disabled {
    opacity: 0.15;
    cursor: not-allowed;
    border-color: rgba(255, 255, 255, 0.03);
    box-shadow: none;
    color: var(--color-text-muted);
}

.slider-btn svg {
    width: 22px;
    height: 22px;
}

.prev-btn {
    left: 10px;
}

.next-btn {
    right: 10px;
}

@media (min-width: 992px) {
    .prev-btn {
        left: -64px;
    }
    
    .next-btn {
        right: -64px;
    }
}

/* Bottom Dot Indicators */
.slider-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2);
    margin-top: var(--spacing-6);
}

.dot-indicator {
    border: none;
    background: rgba(255, 255, 255, 0.2);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    transition: all var(--transition-fast);
}

.dot-indicator:hover {
    background: rgba(255, 255, 255, 0.4);
}

.dot-indicator.active {
    background: var(--color-accent);
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

/* Technology Architecture Flowchart */
.architecture-section {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-16) 0;
}

.flowchart-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    margin-top: var(--spacing-8);
}

@media (min-width: 1024px) {
    .flowchart-container {
        flex-direction: row;
        justify-content: space-between;
        gap: var(--spacing-2);
    }
}

.flowchart-step {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-5);
    text-align: center;
    width: 100%;
    max-width: 280px;
    position: relative;
    transition: all var(--transition-normal);
}

@media (min-width: 1024px) {
    .flowchart-step {
        width: calc((100% - 12rem) / 7);
        padding: var(--spacing-4) var(--spacing-2);
    }
}

.flowchart-step:hover {
    border-color: var(--color-text-muted);
    transform: translateY(-2px);
}

.flowchart-step.highlight {
    border-color: var(--color-accent);
    background-color: rgba(0, 240, 255, 0.02);
    box-shadow: var(--shadow-glow);
}

.flowchart-step.core-controller {
    border-color: var(--color-accent);
    background-color: var(--color-bg-surface-elevated);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
}

.flowchart-step.destination {
    border-color: var(--color-text-primary);
}

.step-num {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-1);
    opacity: 0.7;
}

.step-icon {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-2);
}

.flowchart-step h4 {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-1);
    color: var(--color-text-primary);
}

.flowchart-step p {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
}

.flowchart-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    width: 24px;
    height: 24px;
}

.flowchart-arrow svg {
    width: 20px;
    height: 20px;
    transform: rotate(90deg);
}

@media (min-width: 1024px) {
    .flowchart-arrow svg {
        transform: rotate(0deg);
    }
}

.flowchart-step.highlight .step-num,
.flowchart-step.core-controller .step-num {
    color: var(--color-text-primary);
    font-weight: bold;
}

/* Strategic Future Roadmap */
.roadmap-section {
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-16) 0;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: var(--spacing-10) auto 0 auto;
    padding: 0 var(--spacing-6);
}

.timeline-line {
    position: absolute;
    left: var(--spacing-6);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-border), var(--color-accent), var(--color-border));
}

@media (min-width: 768px) {
    .timeline-line {
        left: 50%;
        transform: translateX(-50%);
    }
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-10);
    padding-left: var(--spacing-8);
}

@media (min-width: 768px) {
    .timeline-item {
        padding-left: 0;
        width: 50%;
        margin-bottom: var(--spacing-8);
    }
    
    .timeline-item:nth-child(even) {
        margin-left: auto;
        padding-left: var(--spacing-10);
    }
    
    .timeline-item:nth-child(odd) {
        margin-right: auto;
        padding-right: var(--spacing-10);
        text-align: right;
    }
}

.timeline-dot {
    position: absolute;
    left: calc(var(--spacing-6) - 5px);
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-bg-base);
    border: 2px solid var(--color-accent);
    box-shadow: var(--shadow-glow);
    z-index: 2;
    transition: transform var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
    background-color: var(--color-accent);
}

@media (min-width: 768px) {
    .timeline-dot {
        left: auto;
        right: -6px;
    }
    
    .timeline-item:nth-child(even) .timeline-dot {
        left: -6px;
        right: auto;
    }
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-2);
    line-height: 1;
}

.timeline-content {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--color-accent-dim);
    box-shadow: 0 10px 30px -15px rgba(0, 240, 255, 0.1);
}

.timeline-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

.timeline-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Premium Footer Styling */
.site-footer {
    background-color: #030305;
    padding: var(--spacing-16) 0 var(--spacing-8) 0;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: grid;
    grid-template-columns: 1fr;         /* Mobile-first: single stacked column */
    gap: var(--spacing-10);
}

/* Brand Profile Styling */
.footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.footer-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-4);
    margin-top: var(--spacing-2);
}

.footer-social a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast), transform var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.footer-social a:hover {
    color: var(--color-accent);
    transform: translateY(-2px);       /* Hover lift simulation */
}

/* Column Header Guidelines */
.footer-column h3 {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-4);
    position: relative;
    padding-bottom: var(--spacing-2);
}

/* Subtle line indicator under headers (clean tech design) */
.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 20px;
    height: 1px;
    background-color: var(--color-accent);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.footer-column ul a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-column ul a:hover {
    color: var(--color-accent);
    padding-left: var(--spacing-1);     /* Shift left-to-right micro-interaction */
}

/* Newsletter Input Components styling */
.footer-newsletter-col {
    max-width: 350px;
}

.newsletter-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
    line-height: 1.5;
}

.footer-newsletter-form {
    width: 100%;
}

.newsletter-input-wrapper {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    background-color: var(--color-bg-base);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.newsletter-input-wrapper:focus-within {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);   /* Glow on active input focus */
}

.newsletter-input {
    flex-grow: 1;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.newsletter-input::placeholder {
    color: var(--color-text-muted);
}

.newsletter-btn {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: 0;                  /* Match flat integration width */
    background-color: var(--color-bg-surface-elevated);
    border: none;
    color: var(--color-text-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.newsletter-btn:hover {
    background-color: var(--color-accent);
    color: var(--color-bg-base);
}

/* Footer Bottom metadata */
.footer-bottom {
    margin-top: var(--spacing-12);
    padding-top: var(--spacing-6);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-bottom-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.footer-meta-links {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.footer-meta-links a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-meta-links a:hover {
    color: var(--color-accent);
}

.footer-tagline {
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

/* ---------------------------------------------------------------------
   7. RESPONSIVE MEDIA QUERIES (Mobile, Tablet, Laptop, Desktop, 4K)
   --------------------------------------------------------------------- */

/* =========================================================================
   A. TABLET BREAKPOINT (min-width: 768px)
   ========================================================================= */
@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 columns fit tablet width better */
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-8);
    }
    
    .footer-newsletter-col {
        grid-column: span 2;              /* Newsletter spans full width on tablets */
        max-width: none;
    }
    
    .footer-bottom-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* =========================================================================
   B. LAPTOP BREAKPOINT (min-width: 1024px)
   ========================================================================= */
@media (min-width: 1024px) {
    :root {
        --container-max-width: 1140px;
    }

    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-container {
        grid-template-columns: 2.5fr 1fr 1fr 1fr 2.5fr; /* Fully expanded 5-col grid */
    }

    .footer-newsletter-col {
        grid-column: auto;
        max-width: 350px;
    }
}

/* =========================================================================
   C. DESKTOP BREAKPOINT (min-width: 1440px)
   ========================================================================= */
@media (min-width: 1440px) {
    :root {
        --container-max-width: 1360px;
        --spacing-16: 10rem;              /* Add breathing room between massive sections */
    }

    .services-grid {
        grid-template-columns: repeat(4, 1fr); /* Spread services horizontally across screen */
    }
}

/* =========================================================================
   D. 4K ULTRA-WIDE BREAKPOINT (min-width: 2560px)
   ========================================================================= */
@media (min-width: 2560px) {
    :root {
        --container-max-width: 1800px;
    }
    
    html {
        font-size: 22px;                   /* Global scale register adjustment (rem bases up by 37.5%) */
    }
}

/* =========================================================================
   8. SPA CATALOGUE VIEW SYSTEM
   ========================================================================= */
body.catalogue-active main,
body.catalogue-active header,
body.catalogue-active footer {
    display: none !important;
}

#catalogue-page {
    display: none;
    background-color: var(--color-bg-base);
    min-height: 100vh;
    overflow-x: hidden;
}

body.catalogue-active #catalogue-page {
    display: flex;
    flex-direction: column;
    animation: catalogue-fade-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes catalogue-fade-in {
    0% { opacity: 0; transform: scale(0.98); }
    100% { opacity: 1; transform: scale(1); }
}

/* Sticky top navigation bar */
.catalogue-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-6);
    background-color: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.catalogue-navbar h2 {
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.download-btn-top {
    padding: var(--spacing-2) var(--spacing-4) !important;
    font-size: var(--font-size-xs) !important;
}

/* Layout split */
.catalogue-main-layout {
    display: flex;
    flex-grow: 1;
    height: calc(100vh - 65px);
    overflow: hidden;
}

/* Left sidebar (desktop only) */
.catalogue-sidebar {
    width: 280px;
    background-color: #0c0d12;
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-6) var(--spacing-4);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-header h4 {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-4);
    padding-left: var(--spacing-2);
}

.sidebar-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.sidebar-link span {
    font-family: var(--font-mono);
    color: var(--color-accent);
    margin-right: var(--spacing-3);
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

.sidebar-link:hover {
    color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.sidebar-link.active {
    color: var(--color-bg-base);
    background-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.sidebar-link.active span {
    color: var(--color-bg-base);
    opacity: 1;
}

/* Main document area styling */
.catalogue-content-area {
    flex-grow: 1;
    overflow-y: scroll;
    scroll-behavior: smooth;
    padding: var(--spacing-8) var(--spacing-12);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-10);
    background-color: #08090c;
}

/* Slide Sheet Container */
.catalogue-sheet {
    width: 100%;
    max-width: 850px;
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    padding: var(--spacing-10);
    position: relative;
    box-sizing: border-box;
}

.sheet-inner {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.sheet-title-heading {
    border-left: 4px solid var(--color-accent);
    padding-left: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    text-align: left;
    font-size: var(--font-size-2xl);
    letter-spacing: -0.01em;
}

.sheet-intro-paragraph {
    color: var(--color-text-secondary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-8);
    text-align: left;
}

/* Custom layout modules for sheet interior */
.sheet-grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
    text-align: left;
}

.sheet-grid-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-6);
    text-align: left;
}

@media (min-width: 768px) {
    .sheet-grid-2 { grid-template-columns: repeat(2, 1fr); }
    .sheet-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.sheet-info-card {
    background-color: rgba(255,255,255,0.01);
    border: 1px solid rgba(255,255,255,0.03);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-5);
}

.sheet-info-card h3 {
    color: var(--color-accent);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-3);
}

.sheet-info-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.sheet-sub-vectors {
    margin-top: var(--spacing-8);
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-8);
    text-align: left;
}

.sheet-sub-vectors h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-6);
}

.vector-item h4 {
    color: var(--color-accent);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-2);
}

.vector-item p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.why-grid .why-item {
    background-color: rgba(255, 255, 255, 0.01);
    border-left: 2px solid var(--color-accent-dim);
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.why-grid .why-item h4 {
    color: var(--color-accent);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-1);
}

.why-grid .why-item p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.cat-card {
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-5);
    transition: border-color var(--transition-fast);
}

.cat-card:hover {
    border-color: var(--color-accent);
}

.cat-card h4 {
    font-size: var(--font-size-base);
    margin-bottom: 2px;
}

.cat-sub {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--spacing-3);
}

.cat-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

/* Specifications Table styling */
.sheet-table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin-top: var(--spacing-4);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    background-color: rgba(255,255,255,0.01);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: var(--font-size-sm);
}

.specs-table th {
    background-color: rgba(0, 240, 255, 0.04);
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--color-border);
}

.specs-table td {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.specs-table tr:last-child td {
    border-bottom: none;
}

.specs-table tr:hover td {
    background-color: rgba(255,255,255,0.01);
    color: var(--color-text-primary);
}

/* Platform cards & CTA */
.platform-card {
    background-color: rgba(255, 255, 255, 0.01);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-5);
}

.platform-card h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-2);
}

.platform-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

.support-box {
    margin-top: var(--spacing-8);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-6);
    background-color: rgba(0, 240, 255, 0.02);
}

.support-box h3 {
    font-size: var(--font-size-base);
    color: var(--color-accent);
    margin-bottom: var(--spacing-4);
}

.support-detail p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2);
}

.support-detail p strong {
    color: var(--color-text-primary);
}

.catalogue-bottom-cta {
    margin-top: var(--spacing-10);
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-10);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
}

.catalogue-bottom-cta h3 {
    font-size: var(--font-size-lg);
}

.catalogue-bottom-cta p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    max-width: 500px;
    margin-bottom: var(--spacing-2);
}

/* Title Slide Page custom style */
.sheet-title-page {
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.05) 0%, var(--color-bg-surface) 80%);
}

.sheet-title-page .sheet-inner {
    justify-content: space-between;
    align-items: center;
}

.sheet-org {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.title-main-block h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    letter-spacing: -0.02em;
    line-height: 1.1;
    font-weight: 800;
}

.title-main-block h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-4);
}

.title-accent-tag {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    letter-spacing: 0.15em;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.sheet-footer-bar {
    width: 100%;
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-4);
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

/* Sidebar toggle responsive visibility */
@media (max-width: 1023px) {
    .catalogue-sidebar {
        display: none;
    }
    .catalogue-content-area {
        padding: var(--spacing-6) var(--spacing-4);
    }
    .catalogue-sheet {
        padding: var(--spacing-6);
    }
    .catalogue-navbar h2 {
        font-size: var(--font-size-sm);
    }
}

/* =========================================================================
   9. SECURE ADMIN PORTAL SYSTEM (Firebase Auth + Storage)
   ========================================================================= */
body.admin-active main,
body.admin-active header,
body.admin-active footer,
body.admin-active #catalogue-page {
    display: none !important;
}

#admin-page {
    display: none;
    background-color: var(--color-bg-base);
    min-height: 100vh;
}

body.admin-active #admin-page {
    display: flex;
    flex-direction: column;
    animation: admin-fade-in 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes admin-fade-in {
    0% { opacity: 0; transform: scale(0.98); }
    100% { opacity: 1; transform: scale(1); }
}

/* --- Login View Styles --- */
.admin-login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-6);
    background: radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.04) 0%, var(--color-bg-base) 80%);
}

.login-card {
    width: 100%;
    max-width: 450px;
    background-color: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-8);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 30px var(--color-accent-dim);
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.login-header h2 {
    font-size: var(--font-size-3xl);
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-2);
}

.login-header p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.form-group {
    margin-bottom: var(--spacing-5);
    text-align: left;
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-2);
}

.form-control {
    width: 100%;
    background-color: rgba(0,0,0,0.2);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-accent);
    outline: none;
    box-shadow: var(--shadow-glow);
}

.login-submit-btn {
    width: 100%;
    margin-top: var(--spacing-4);
}

/* Alert Notification Boxes */
.alert {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-5);
    text-align: left;
}

.alert-danger {
    background-color: rgba(255, 74, 74, 0.1);
    border: 1px solid rgba(255, 74, 74, 0.2);
    color: #ff6b6b;
}

.alert-success {
    background-color: rgba(0, 240, 255, 0.05);
    border: 1px solid rgba(0, 240, 255, 0.15);
    color: var(--color-accent);
}

/* --- Dashboard View Styles --- */
.admin-dashboard-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

.dashboard-navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-6);
    background-color: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
}

.dashboard-navbar h2 {
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.user-email-badge {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    background-color: var(--color-accent-dim);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: 100px;
    margin-right: var(--spacing-4);
}

.logout-btn {
    padding: var(--spacing-2) var(--spacing-4) !important;
    font-size: var(--font-size-xs) !important;
}

/* Dashboard Layout split */
.dashboard-layout {
    display: flex;
    flex-grow: 1;
    height: calc(100vh - 65px);
    overflow: hidden;
}

.dashboard-sidebar {
    width: 300px;
    background-color: #0c0d12;
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-6) var(--spacing-4);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-folders ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.folder-link {
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    background: transparent;
    border: none;
}

.folder-link span {
    margin-right: var(--spacing-3);
    font-size: 1.1rem;
}

.folder-link:hover {
    color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.03);
}

.folder-link.active {
    color: var(--color-bg-base);
    background-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

/* Main Dashboard Panel Content Area */
.dashboard-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--spacing-6) var(--spacing-8);
    display: flex;
    flex-direction: column;
    background-color: #08090c;
}

.content-header h3 {
    font-size: var(--font-size-xl);
    border-left: 3px solid var(--color-accent);
    padding-left: var(--spacing-3);
    margin-bottom: var(--spacing-6);
    text-align: left;
}

/* Upload zone components */
.upload-zone {
    background-color: rgba(255,255,255,0.01);
    border: 2px dashed rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    text-align: center;
    margin-bottom: var(--spacing-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.upload-zone.dragover {
    border-color: var(--color-accent);
    background-color: rgba(0, 240, 255, 0.02);
}

.upload-icon {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-2);
}

.upload-zone p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.file-browse-trigger {
    color: var(--color-accent);
    text-decoration: underline;
    cursor: pointer;
    font-weight: var(--font-weight-semibold);
}

/* Progress bar indicators */
.upload-progress-container {
    width: 100%;
    max-width: 350px;
    margin-top: var(--spacing-4);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.progress-bar-wrapper {
    width: 100%;
    height: 6px;
    background-color: rgba(255,255,255,0.05);
    border-radius: 100px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
    border-radius: 100px;
    transition: width 0.2s ease;
}

.progress-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-secondary);
}

/* File list table styles */
.file-list-wrapper {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    background-color: rgba(255,255,255,0.01);
    overflow: hidden;
}

.file-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: var(--font-size-sm);
}

.file-table th {
    background-color: rgba(255,255,255,0.01);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--color-border);
}

.file-table td {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: var(--color-text-secondary);
}

.file-table tr:last-child td {
    border-bottom: none;
}

.actions-header, .file-table td:last-child {
    text-align: right;
}

.empty-files-placeholder {
    text-align: center !important;
    padding: var(--spacing-8) !important;
    color: var(--color-text-muted) !important;
}

/* Operation icons/buttons on files list */
.action-btn-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    background: transparent;
    border: none;
    cursor: pointer;
}

.action-btn-link:hover {
    color: var(--color-text-primary);
    background-color: rgba(255,255,255,0.05);
}

.action-btn-delete:hover {
    color: #ff4a4a;
    background-color: rgba(255, 74, 74, 0.1);
}

/* Responsive configurations */
@media (max-width: 767px) {
    .dashboard-layout {
        flex-direction: column;
        height: auto;
        overflow-y: auto;
    }
    .dashboard-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-4);
    }
    .sidebar-folders ul {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-2);
    }
    .folder-link {
        padding: var(--spacing-2) var(--spacing-3);
    }
    .dashboard-content {
        padding: var(--spacing-4);
    }
    .dashboard-navbar h2 {
        display: none; /* Hide middle title on small screens */
    }
    .user-email-badge {
        display: none;
    }
}

/* Brand Logo Image Enhancements */
.logo, .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 38px;
    width: 38px;
    max-height: 38px;
    max-width: 38px;
    object-fit: cover;
    border-radius: 50%;
    border: 1.5px solid rgba(0, 195, 255, 0.5);
    box-shadow: 0 0 10px rgba(0, 195, 255, 0.4);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.footer-logo-img {
    height: 48px;
    width: 48px;
    max-height: 48px;
    max-width: 48px;
    object-fit: cover;
    border-radius: 50%;
    border: 1.5px solid rgba(0, 195, 255, 0.5);
    box-shadow: 0 0 12px rgba(0, 195, 255, 0.5);
}

.logo-text-group {
    display: flex;
    flex-direction: column;
}

.logo:hover .logo-img {
    transform: scale(1.1) rotate(4deg);
    box-shadow: 0 0 18px rgba(0, 225, 255, 0.8);
}

/* =========================================================================
   NEW WIREFRAME DESIGN SYSTEM STYLES (Cyber-Dark Infinity Theme)
   ========================================================================= */

/* Hero Transparent Infinity Symbol Styling */
.hero-emblem-wrapper {
    margin-bottom: var(--spacing-3);
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    animation: fade-slide-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-infinity-symbol {
    width: clamp(80px, 9vw, 110px);
    height: auto;
    background: transparent;
    object-fit: contain;
    filter: drop-shadow(0 0 14px rgba(0, 240, 255, 0.55));
    transition: transform 0.4s ease, filter 0.4s ease;
    animation: infinityGlowPulse 4s ease-in-out infinite alternate;
}

.hero-infinity-symbol:hover {
    transform: scale(1.08);
    filter: drop-shadow(0 0 24px rgba(0, 240, 255, 0.85));
}

@keyframes infinityGlowPulse {
    0% {
        filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.4));
    }
    100% {
        filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.75));
    }
}

/* Hero Pillars Line */
.hero-pillars-text {
    font-size: clamp(0.85rem, 1.5vw, 1.05rem);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    flex-wrap: wrap;
    animation: fade-slide-up 1.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.pillar-tag-highlight {
    color: var(--color-accent);
    text-shadow: 0 0 8px rgba(0, 240, 255, 0.35);
}

.dot-separator {
    color: var(--color-text-muted);
}

/* Hero Domains Bar */
.hero-domains-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-2) var(--spacing-3);
    background: rgba(16, 17, 21, 0.75);
    border: 1px solid rgba(0, 240, 255, 0.2);
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: 50px;
    margin-bottom: var(--spacing-2);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4), inset 0 0 10px rgba(0, 240, 255, 0.04);
    animation: fade-slide-up 1.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.domain-pill {
    font-size: clamp(0.75rem, 1.2vw, 0.88rem);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    letter-spacing: 0.04em;
    transition: color var(--transition-fast);
}

.domain-pill:hover {
    color: var(--color-accent);
}

.bar-sep {
    color: rgba(0, 240, 255, 0.4);
    font-weight: 300;
}

/* Common Section Header Center */
.section-header-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-10) auto;
}

.section-header-center .section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-2);
}

.section-lead-tag {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-2);
}

/* 2. WHAT WE DO Section */
.what-we-do-section {
    background: linear-gradient(180deg, var(--color-bg-base) 0%, var(--color-bg-surface) 100%);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-5);
}

.capability-card {
    background: rgba(16, 17, 21, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    text-align: center;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.capability-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent);
    box-shadow: 0 12px 30px rgba(0, 240, 255, 0.12);
}

.cap-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-3);
}

.capability-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2);
    color: var(--color-text-primary);
}

.capability-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* 3. OUR TECHNOLOGY DOMAINS Section */
.domains-section {
    background: var(--color-bg-base);
}

.domains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

.domain-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.domain-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-accent);
    box-shadow: 0 14px 35px rgba(0, 240, 255, 0.15);
}

.domain-icon-box {
    font-size: 2.6rem;
    margin-bottom: var(--spacing-4);
}

.domain-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
    color: var(--color-text-primary);
}

.domain-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-5);
}

.domain-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.domain-tag-list span {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-sm);
}

/* 4. ENGINEERING PROJECT SOLUTIONS Section */
.solutions-section {
    background: linear-gradient(180deg, var(--color-bg-base) 0%, rgba(0, 240, 255, 0.03) 50%, var(--color-bg-base) 100%);
}

.solutions-glow-card {
    background: rgba(16, 17, 21, 0.85);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 24px;
    padding: var(--spacing-10) var(--spacing-6);
    text-align: center;
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.08), inset 0 0 30px rgba(0, 240, 255, 0.03);
    max-width: 950px;
    margin: 0 auto;
}

.process-flow-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    margin: var(--spacing-8) 0;
}

.flow-badge {
    font-family: var(--font-mono);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-border);
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.active-flow {
    color: var(--color-accent);
    background: rgba(0, 240, 255, 0.12);
    border-color: var(--color-accent);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.flow-arrow-icon {
    font-size: 1.5rem;
    color: var(--color-accent);
    animation: flowPulse 2s infinite ease-in-out;
}

@keyframes flowPulse {
    0%, 100% { transform: translateX(0); opacity: 0.6; }
    50% { transform: translateX(5px); opacity: 1; }
}

.solutions-subtitle-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
}

/* ========================================================================
   REBUILT HOMEPAGE SECTIONS (BELOW HERO)
   ======================================================================== */

/* Section Spacing & Layout Bases */
.what-we-do-section,
.domains-section,
.pipeline-section,
.education-section,
.split-audience-section,
.final-cta-section {
    padding: var(--spacing-12) 0;
    position: relative;
}

.section-container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.section-header-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-10) auto;
}

.section-eyebrow {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.2em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: var(--spacing-2);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.75rem);
    font-weight: var(--font-weight-bold);
    color: #ffffff;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-3);
    line-height: 1.2;
}

.section-subheading {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-3);
}

.section-description {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 750px;
    margin: 0 auto;
}

/* SECTION 1 — WHAT WE DO (2 x 2 RESPONSIVE CARD GRID) */
.what-we-do-section {
    padding: var(--spacing-12) 0;
    background: var(--color-bg-base);
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.what-we-do-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3.5rem auto;
}

.what-we-do-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 28px !important;
    width: 100%;
}

@media (max-width: 900px) {
    .what-we-do-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 20px !important;
    }
}

@media (max-width: 640px) {
    .what-we-do-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
}

.what-we-do-card {
    background: rgba(255, 255, 255, 0.03) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(0, 229, 255, 0.12) !important;
    border-radius: 18px !important;
    padding: 2.25rem 2rem !important;
    min-height: 290px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative;
    overflow: hidden;
    box-sizing: border-box !important;
}

.what-we-do-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.4), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.what-we-do-card:hover {
    transform: translateY(-5px) !important;
    border-color: rgba(0, 229, 255, 0.5) !important;
    box-shadow: 0 10px 30px -10px rgba(0, 229, 255, 0.2), 0 0 20px rgba(0, 229, 255, 0.08) !important;
}

.what-we-do-card:hover::before {
    opacity: 1;
}

.card-top-content {
    display: flex;
    flex-direction: column;
}

.card-number-accent {
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 2.25rem;
    font-weight: 800;
    color: rgba(0, 229, 255, 0.4);
    line-height: 1;
    margin-bottom: 1.25rem;
    letter-spacing: 0.05em;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.what-we-do-card:hover .card-number-accent {
    color: var(--color-accent, #00f0ff);
    text-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.card-heading {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.85rem;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.what-we-do-card:hover .card-heading {
    color: #00e5ff;
}

.card-body-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary, #94a3b8);
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.card-bottom-cta {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.card-cta-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-accent, #00f0ff);
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.2s ease;
}

.cta-arrow {
    font-size: 1.1rem;
    transition: transform 0.2s ease;
}

.card-cta-link:hover .cta-arrow {
    transform: translateX(6px);
}

.what-we-do-card:hover .card-cta-link {
    color: #38bdf8;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

/* SECTION 2 — OUR TECHNOLOGY DOMAINS (FUTURISTIC DEEP-TECH REDESIGN) */
.domains-section {
    padding: var(--spacing-16) 0;
    background-color: #07090e;
    background-image: 
        radial-gradient(circle at 15% 20%, rgba(0, 229, 255, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(0, 229, 255, 0.03) 0%, transparent 60%);
    border-top: 1px solid rgba(0, 229, 255, 0.1);
    border-bottom: 1px solid rgba(0, 229, 255, 0.1);
    position: relative;
    overflow: hidden;
}

/* Subtle futuristic tech grid background */
.domains-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 229, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    opacity: 0.7;
}

.domains-header-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-12) auto;
    position: relative;
    z-index: 2;
}

.domains-core-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(16, 17, 21, 0.9);
    border: 1px solid rgba(0, 229, 255, 0.3);
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    margin-bottom: 1.25rem;
    box-shadow: 0 0 25px rgba(0, 229, 255, 0.12);
}

.domains-infinity-icon {
    width: 28px;
    height: auto;
    filter: drop-shadow(0 0 6px rgba(0, 229, 255, 0.6));
}

.domains-core-label {
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #00e5ff;
}

.domains-section .section-title {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: var(--font-size-3xl);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: var(--spacing-2);
}

.domains-section .section-subheading {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* 4-Column Responsive Grid for Realistic Domain Cards */
.domain-cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
    position: relative;
    z-index: 2;
}

@media (max-width: 1100px) {
    .domain-cards-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.25rem;
    }
}

@media (max-width: 640px) {
    .domain-cards-grid {
        grid-template-columns: 1fr !important;
        gap: 1.25rem;
    }
}

/* Realistic Engineering Background Domain Tech Card */
.domain-tech-card {
    position: relative !important;
    background: #070a10 !important;
    backdrop-filter: blur(14px) !important;
    -webkit-backdrop-filter: blur(14px) !important;
    border: 1px solid rgba(0, 229, 255, 0.16) !important;
    border-radius: 20px !important;
    padding: 0 !important;
    min-height: 420px !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s ease, box-shadow 0.35s ease !important;
    box-sizing: border-box !important;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6) !important;
}

/* Delicate top border glow */
.domain-tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.7), transparent);
    opacity: 0;
    z-index: 5;
    transition: opacity 0.35s ease;
}

/* Hover Elevation & Glow */
.domain-tech-card:hover {
    transform: translateY(-6px) !important;
    border-color: rgba(0, 229, 255, 0.45) !important;
    box-shadow: 0 16px 36px -10px rgba(0, 229, 255, 0.22), 0 0 25px rgba(0, 229, 255, 0.08) !important;
}

.domain-tech-card:hover::before {
    opacity: 1;
}

/* Absolute Positioned Background Image Wrapper */
.domain-card-bg-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.domain-card-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transform: scale(1.0);
    transition: transform 0.5s ease-out;
}

/* Subtle Zoom Effect on Card Hover */
.domain-tech-card:hover .domain-card-bg-img {
    transform: scale(1.05);
}

/* Deep Gradient Mask for High Text Readability */
.domain-card-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(7, 10, 16, 0.72) 0%, rgba(7, 10, 16, 0.94) 75%, #070a10 100%);
    pointer-events: none;
    transition: background 0.35s ease;
}

.domain-tech-card:hover .domain-card-bg-overlay {
    background: linear-gradient(180deg, rgba(7, 10, 16, 0.65) 0%, rgba(7, 10, 16, 0.90) 75%, #070a10 100%);
}

/* Foreground Content Inner Container */
.domain-card-inner {
    position: relative;
    z-index: 2;
    padding: 2rem 1.6rem 1.6rem 1.6rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
    height: 100%;
    box-sizing: border-box;
}

.domain-card-top {
    margin-bottom: 1.5rem;
}

.domain-badge-icon {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

/* Accent Badge Pill */
.domain-num-pill {
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.78rem;
    font-weight: 700;
    color: #00e5ff;
    background: rgba(7, 10, 16, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 229, 255, 0.35);
    padding: 4px 12px;
    border-radius: 9999px;
    letter-spacing: 0.06em;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

/* Top-Right Neon SVG Icon */
.domain-svg-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(7, 10, 16, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 229, 255, 0.3);
    border-radius: 12px;
    color: #00e5ff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4), 0 0 12px rgba(0, 229, 255, 0.12);
    transition: all 0.3s ease;
}

.domain-tech-card:hover .domain-svg-icon {
    background: rgba(0, 229, 255, 0.18);
    border-color: rgba(0, 229, 255, 0.6);
    color: #ffffff;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.4);
    transform: scale(1.06);
}

/* Domain Heading in Modern Geometric Sans-Serif */
.domain-card-title {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1.3;
    margin-bottom: 0.55rem;
    transition: color 0.25s ease;
}

.domain-tech-card:hover .domain-card-title {
    color: #00e5ff;
}

/* Subtitle / Description */
.domain-card-desc {
    font-size: 0.88rem;
    color: var(--color-text-secondary, #94a3b8);
    line-height: 1.6;
    margin: 0;
}

.domain-card-bottom {
    margin-top: auto;
}

/* Pill-shaped Tech Chips */
.domain-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 1.25rem;
}

.domain-card-tags span {
    font-size: 0.72rem;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    color: #cbd5e1;
    background: rgba(7, 10, 16, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(0, 229, 255, 0.2);
    padding: 4px 11px;
    border-radius: 9999px;
    transition: all 0.25s ease;
}

.domain-tech-card:hover .domain-card-tags span {
    color: #f8fafc;
    border-color: rgba(0, 229, 255, 0.5);
    background: rgba(0, 229, 255, 0.1);
}

/* Interactive CTA Link */
.domain-card-cta {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: rgba(0, 229, 255, 0.85);
    text-decoration: none;
    transition: all 0.25s ease;
    padding-top: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    width: 100%;
}

.domain-card-cta .cta-arrow {
    transition: transform 0.25s ease;
}

.domain-tech-card:hover .domain-card-cta {
    color: #00e5ff;
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

.domain-tech-card:hover .domain-card-cta .cta-arrow {
    transform: translateX(6px);
}

/* SECTION 3 — EMBEDDED PROJECT & PRODUCT SOLUTIONS (PIPELINE) */
.pipeline-section {
    background: var(--color-bg-base);
}

.pipeline-card {
    background: linear-gradient(135deg, rgba(16, 17, 21, 0.95) 0%, rgba(10, 11, 15, 0.98) 100%);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 24px;
    padding: var(--spacing-10) var(--spacing-8);
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.05);
}

.engineering-timeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2);
    margin: var(--spacing-10) 0;
}

@media (max-width: 900px) {
    .engineering-timeline {
        flex-direction: column;
        gap: var(--spacing-3);
    }
}

.timeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-4) var(--spacing-3);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    flex: 1;
    min-width: 120px;
    transition: all var(--transition-normal);
}

@media (max-width: 900px) {
    .timeline-step {
        width: 100%;
    }
}

.timeline-step .step-index {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-1);
}

.timeline-step .step-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: #ffffff;
    letter-spacing: 0.05em;
}

.highlight-step {
    border-color: rgba(0, 240, 255, 0.4);
    background: rgba(0, 240, 255, 0.08);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
}

.success-step {
    border-color: rgba(0, 240, 255, 0.6);
    background: rgba(0, 240, 255, 0.12);
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
}

.timeline-arrow {
    color: rgba(0, 240, 255, 0.6);
    font-size: 1.25rem;
    font-weight: bold;
    flex-shrink: 0;
}

@media (max-width: 900px) {
    .timeline-arrow {
        transform: rotate(90deg);
        margin: 0.15rem 0;
    }
}

.pipeline-support-text {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-8);
    font-style: italic;
}

.pipeline-cta-wrapper {
    text-align: center;
}

/* SECTION 4 — EDUCATION & TRAINING */
.education-section {
    background: rgba(10, 11, 15, 0.6);
}

/* ---------------------------------------------------------------------
   SECTION 4 — 8 ENGINEERING DISCIPLINES & EDUCATION SHOWCASE
   --------------------------------------------------------------------- */

/* Department Filter Bar */
.dept-filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin: var(--spacing-6) 0 var(--spacing-10) 0;
}

.dept-filter-btn {
    background: rgba(16, 18, 24, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
    padding: 8px 16px;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: 9999px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.dept-filter-btn .btn-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-accent);
}

.dept-filter-btn:hover {
    border-color: rgba(0, 240, 255, 0.4);
    color: #ffffff;
    background: rgba(0, 240, 255, 0.08);
}

.dept-filter-btn.active {
    background: var(--color-accent);
    color: var(--color-bg-base);
    border-color: var(--color-accent);
    box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
}

.dept-filter-btn.active .btn-num {
    color: var(--color-bg-base);
    font-weight: 700;
}

/* 8 Department Cards Grid */
.dept-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-12);
}

@media (max-width: 900px) {
    .dept-cards-grid {
        grid-template-columns: 1fr;
    }
}

.dept-card {
    position: relative !important;
    background: #070a10 !important;
    backdrop-filter: blur(14px) !important;
    -webkit-backdrop-filter: blur(14px) !important;
    border: 1px solid rgba(0, 229, 255, 0.16) !important;
    border-radius: 18px !important;
    padding: 0 !important;
    min-height: 420px !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.35s ease, box-shadow 0.35s ease !important;
    box-sizing: border-box !important;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.6) !important;
    scroll-margin-top: 110px;
}

.dept-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.7), transparent);
    opacity: 0;
    z-index: 5;
    transition: opacity 0.35s ease;
}

.dept-card:hover {
    transform: translateY(-6px) !important;
    border-color: rgba(0, 229, 255, 0.45) !important;
    box-shadow: 0 16px 36px -10px rgba(0, 229, 255, 0.22), 0 0 25px rgba(0, 229, 255, 0.08) !important;
}

.dept-card:hover::before {
    opacity: 1;
}

/* Absolute Positioned Background Image Wrapper */
.dept-card-bg-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.dept-card-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transform: scale(1.0);
    transition: transform 0.5s ease-out;
}

.dept-card:hover .dept-card-bg-img {
    transform: scale(1.05);
}

/* Deep Gradient Mask for High Text Readability */
.dept-card-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(7, 10, 16, 0.72) 0%, rgba(7, 10, 16, 0.94) 75%, #070a10 100%);
    pointer-events: none;
    transition: background 0.35s ease;
}

.dept-card:hover .dept-card-bg-overlay {
    background: linear-gradient(180deg, rgba(7, 10, 16, 0.65) 0%, rgba(7, 10, 16, 0.90) 75%, #070a10 100%);
}

/* Foreground Content Inner Container */
.dept-card-content {
    position: relative;
    z-index: 2;
    padding: var(--spacing-7) !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    flex-grow: 1;
    height: 100%;
    box-sizing: border-box;
}

/* Pulse Highlight Animation when reached from Dropdown */
@keyframes deptPulseHighlight {
    0% {
        box-shadow: 0 0 0 rgba(0, 229, 255, 0);
        border-color: rgba(255, 255, 255, 0.08);
    }
    25% {
        box-shadow: 0 0 45px rgba(0, 240, 255, 0.7), 0 0 80px rgba(0, 240, 255, 0.3);
        border-color: #00f0ff;
        transform: translateY(-6px) scale(1.015);
    }
    60% {
        box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
        border-color: #00f0ff;
    }
    100% {
        box-shadow: 0 0 0 rgba(0, 240, 255, 0);
        border-color: rgba(255, 255, 255, 0.08);
        transform: translateY(0) scale(1);
    }
}

.dept-card.pulse-highlight {
    animation: deptPulseHighlight 2.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.dept-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
}

.dept-card-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dept-pill-num {
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.78rem;
    font-weight: 700;
    color: #00e5ff;
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid rgba(0, 229, 255, 0.25);
    padding: 3px 9px;
    border-radius: 9999px;
    letter-spacing: 0.05em;
}

.dept-badge-cat {
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.dept-icon-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(0, 229, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00e5ff;
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.1);
    transition: all 0.3s ease;
}

.dept-card:hover .dept-icon-wrapper {
    transform: scale(1.05) rotate(3deg);
    background: rgba(0, 229, 255, 0.15);
    border-color: rgba(0, 229, 255, 0.5);
    color: #ffffff;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
}

.dept-card-title {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 4px;
    transition: color 0.2s ease;
}

.dept-card:hover .dept-card-title {
    color: #00e5ff;
}

.dept-card-subtitle {
    font-size: 0.82rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--spacing-3);
    letter-spacing: 0.02em;
}

.dept-card-desc {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin-bottom: var(--spacing-4);
}

.dept-tags-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--spacing-6);
}

.dept-tag {
    font-size: 0.72rem;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    padding: 4px 12px;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 229, 255, 0.15);
    color: var(--color-text-secondary);
    transition: all 0.2s ease;
}

.dept-card:hover .dept-tag {
    border-color: rgba(0, 229, 255, 0.4);
    color: #ffffff;
    background: rgba(0, 229, 255, 0.06);
}

.dept-card-footer {
    padding-top: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.dept-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 10px 14px;
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.dept-cta-btn:hover {
    background: var(--color-accent);
    color: var(--color-bg-base);
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.35);
}

.dept-arrow {
    transition: transform var(--transition-fast);
}

.dept-cta-btn:hover .dept-arrow {
    transform: translateX(4px);
}

/* 4 Pillars for Engineering Students & Colleges */
.education-pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

@media (max-width: 1024px) {
    .education-pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .education-pillars-grid {
        grid-template-columns: 1fr;
    }
}

.education-pillar-card {
    background: rgba(0, 240, 255, 0.03);
    border: 1px solid rgba(0, 240, 255, 0.16);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.education-pillar-card:hover {
    border-color: rgba(0, 240, 255, 0.4);
    transform: translateY(-3px);
}

.pillar-icon-box {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--spacing-2);
}

.pillar-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    background: rgba(0, 240, 255, 0.15);
    border-radius: 4px;
    padding: 2px 6px;
}

.pillar-icon-box h4 {
    font-size: 1.05rem;
    color: #ffffff;
    font-weight: 700;
    margin: 0;
}

.education-pillar-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
    margin: 0;
}

.education-cta-bar {
    text-align: center;
}

/* SECTION 5 & 6 — SPLIT AUDIENCE SECTIONS (COLLEGES & INDUSTRY) */
.split-audience-section {
    background: var(--color-bg-base);
}

.split-card {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--spacing-10);
    align-items: center;
    background: rgba(16, 17, 21, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: var(--spacing-10);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.industry-split-card {
    grid-template-columns: 0.8fr 1.2fr;
}

@media (max-width: 992px) {
    .split-card,
    .industry-split-card {
        grid-template-columns: 1fr;
        padding: var(--spacing-6);
        gap: var(--spacing-6);
    }
}

.split-card:hover {
    border-color: rgba(0, 240, 255, 0.3);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.split-content-side .section-eyebrow {
    text-align: left;
}

.split-content-side .section-title {
    text-align: left;
    margin-bottom: var(--spacing-4);
}

.split-desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
    font-style: italic;
}

.split-highlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

@media (max-width: 500px) {
    .split-highlights-grid {
        grid-template-columns: 1fr;
    }
}

.split-highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--border-radius-md);
}

.highlight-bullet {
    color: var(--color-accent);
    font-weight: bold;
}

.split-highlight-item h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: #ffffff;
    letter-spacing: 0.04em;
}

.tech-graphic-frame {
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, rgba(10, 11, 15, 0.8) 100%);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-8) var(--spacing-6);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.graphic-node {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.15em;
    color: var(--color-accent);
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: var(--spacing-2) var(--spacing-5);
    border-radius: 20px;
    margin-bottom: var(--spacing-4);
}

.graphic-line {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    margin-bottom: var(--spacing-4);
}

.graphic-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-2);
}

.graphic-tags span {
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.04);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* SECTION 7 — FINAL CTA & CONTACT */
.final-cta-section {
    background: linear-gradient(180deg, var(--color-bg-base) 0%, rgba(0, 240, 255, 0.04) 100%);
}

.final-cta-box {
    text-align: center;
    background: radial-gradient(circle at top center, rgba(0, 240, 255, 0.12) 0%, rgba(16, 17, 21, 0.95) 75%);
    border: 1px solid rgba(0, 240, 255, 0.25);
    border-radius: 24px;
    padding: var(--spacing-12) var(--spacing-6);
    box-shadow: 0 0 60px rgba(0, 240, 255, 0.08);
}

.final-cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: var(--font-weight-bold);
    color: #ffffff;
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-4);
}

.final-cta-sub {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-8);
}

.final-cta-actions {
    margin-bottom: var(--spacing-10);
}

.btn-large {
    padding: 1.1rem 2.5rem;
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.cta-glow {
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.3);
}

.cta-glow:hover {
    box-shadow: 0 0 40px rgba(0, 240, 255, 0.5);
}

.direct-contact-details {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-8);
    padding-top: var(--spacing-8);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-chip,
.contact-detail-item {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.chip-label,
.detail-label {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-chip a,
.contact-detail-item a,
.detail-val a {
    color: #ffffff;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-chip a:hover,
.contact-detail-item a:hover,
.detail-val a:hover {
    color: var(--color-accent);
}



/* ========================================================================
   OUR PROJECTS SECTION
   ======================================================================== */
.our-projects-section {
    padding: var(--spacing-12) 0;
    background: linear-gradient(180deg, rgba(10,11,15,0.95) 0%, var(--color-bg-base) 100%);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    position: relative;
}

.our-projects-section::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,240,255,0.4), transparent);
}

.projects-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
}

/* Filter Tabs */
.projects-filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 2.5rem;
}

.filter-tab {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-secondary);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 30px;
    padding: 0.45rem 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

.filter-tab:hover {
    color: #ffffff;
    border-color: rgba(0,240,255,0.3);
    background: rgba(0,240,255,0.06);
}

.filter-tab.active {
    color: #00f0ff;
    background: rgba(0,240,255,0.12);
    border-color: rgba(0,240,255,0.5);
    box-shadow: 0 0 15px rgba(0,240,255,0.15);
}

/* Projects Card Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 3rem;
}

@media (max-width: 1024px) {
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .projects-grid { grid-template-columns: 1fr; }
}

/* Project Card */
.project-card {
    background: rgba(16, 17, 21, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.3s ease,
                box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 240, 255, 0.35);
    box-shadow: 0 16px 40px -12px rgba(0, 240, 255, 0.2);
}

.project-card.hidden {
    display: none;
}

/* Media / Photo / Video Area */
.project-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: rgba(5, 5, 7, 0.9);
    position: relative;
}

.project-media img,
.project-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.project-card:hover .project-media img,
.project-card:hover .project-media video {
    transform: scale(1.04);
}

/* Placeholder shown when no photo/video is uploaded */
.project-media-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, rgba(0,240,255,0.04) 0%, rgba(10,11,15,0.9) 100%);
    border-bottom: 1px dashed rgba(0,240,255,0.15);
    color: rgba(0,240,255,0.4);
}

.project-media-placeholder svg {
    opacity: 0.5;
}

.project-media-placeholder span {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.2);
}

/* Card Body */
.project-card-body {
    padding: 1.5rem 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.project-domain-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: #00f0ff;
    background: rgba(0,240,255,0.1);
    border: 1px solid rgba(0,240,255,0.2);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 0.85rem;
    text-transform: uppercase;
}

.project-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.35;
    margin-bottom: 0.65rem;
    letter-spacing: 0.01em;
}

.project-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
    margin: 0;
}

/* Bottom CTA Bar */
.projects-cta-bar {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.projects-cta-note {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: rgba(0,240,255,0.5);
    letter-spacing: 0.08em;
}

/* ========================================================================
   PROJECT MEDIA SHOWCASE & LIGHTBOX MODAL STYLES
   ======================================================================== */
.media-card {
    cursor: pointer;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 0.85rem;
}

.media-badge {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #00f0ff;
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid rgba(0, 240, 255, 0.3);
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
    text-transform: uppercase;
}

.media-badge.photo-badge {
    color: #a855f7;
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.3);
}

.media-player-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    background: rgba(5, 5, 10, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    opacity: 0.85;
    transition: all 0.3s ease;
}

.project-card:hover .media-player-overlay {
    opacity: 1;
    background: rgba(5, 5, 10, 0.2);
}

.play-badge {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(0, 240, 255, 0.9);
    color: #050507;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.play-badge.zoom-badge {
    background: rgba(168, 85, 247, 0.9);
    box-shadow: 0 0 25px rgba(168, 85, 247, 0.6);
}

.project-card:hover .play-badge {
    transform: scale(1.15);
}

.media-type-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #ffffff;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Lightbox Modal */
.media-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.media-lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 10, 0.92);
    backdrop-filter: blur(12px);
}

.lightbox-dialog {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 900px;
    background: rgba(16, 17, 26, 0.95);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 20px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 240, 255, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.media-lightbox.active .lightbox-dialog {
    transform: scale(1);
}

.lightbox-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-size: 1.5rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lightbox-close-btn:hover {
    background: #ff3366;
    border-color: #ff3366;
    color: #fff;
    transform: rotate(90deg);
}

.lightbox-media-wrapper {
    width: 100%;
    max-height: 520px;
    aspect-ratio: 16 / 9;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.lightbox-media-wrapper video,
.lightbox-media-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.lightbox-details {
    padding: 1.5rem 2rem;
    background: rgba(10, 11, 16, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.lightbox-domain-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #00f0ff;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.lightbox-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.lightbox-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ========================================================================
   ANDURIL-STYLE CINEMATIC MEDIA SHOWCASE STYLES
   ======================================================================== */
.cinematic-showcase-section {
    padding: 3rem 0;
    background: #050508;
    position: relative;
}

.cinematic-stage {
    position: relative;
    width: 100%;
    max-width: 1040px;
    margin: 0 auto;
    background: #050507;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(0, 240, 255, 0.25);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.85), 0 0 35px rgba(0, 240, 255, 0.12);
    touch-action: pan-y;
}

.cinematic-viewport {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    max-height: 62vh;
    overflow: hidden;
    background: radial-gradient(circle at center, rgba(16, 20, 32, 0.95) 0%, rgba(5, 5, 8, 1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .cinematic-viewport {
        aspect-ratio: 4 / 3;
        max-height: 55vh;
    }
}

.cinematic-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s ease;
    transform: translateX(100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.cinematic-slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0%);
}

.cinematic-slide.prev-slide {
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
}

.cinematic-slide img,
.cinematic-slide video {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    margin: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

/* Top Slim Progress Bar */
.cinematic-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.15);
    z-index: 10;
}

.cinematic-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #00f0ff, #38bdf8);
    box-shadow: 0 0 10px #00f0ff;
    transition: width 0.1s linear;
}
    box-shadow: 0 0 10px #00f0ff;
    transition: width 0.1s linear;
}

/* Bottom Controls Bar */
.cinematic-controls-bar {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(10, 11, 18, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 240, 255, 0.25);
    padding: 8px 20px;
    border-radius: 40px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
}

.cinematic-nav-btn {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.cinematic-nav-btn:hover {
    color: #00f0ff;
    background: rgba(0, 240, 255, 0.15);
}

.cinematic-dots-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cinematic-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cinematic-dot.active {
    width: 24px;
    border-radius: 10px;
    background: #00f0ff;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
}

.cinematic-slide-counter {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.1em;
}

.cinematic-play-toggle {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    transition: color 0.2s ease;
}

.cinematic-play-toggle:hover {
    color: #00f0ff;
}

.cinematic-play-toggle .hidden {
    display: none;
}