/* ============================================
   QUANTUM AI FOOD ROBOTICS ACADEMY
   Premium Stylesheet
   ============================================ */

/* ============================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Core Colors */
    --color-white: #ffffff;
    --color-white-95: rgba(255, 255, 255, 0.95);
    --color-white-80: rgba(255, 255, 255, 0.80);
    --color-white-60: rgba(255, 255, 255, 0.60);
    --color-white-40: rgba(255, 255, 255, 0.40);
    --color-white-20: rgba(255, 255, 255, 0.20);
    --color-white-10: rgba(255, 255, 255, 0.10);
    --color-white-05: rgba(255, 255, 255, 0.05);

    /* Orange Palette */
    --color-orange-50: #fff7ed;
    --color-orange-100: #ffedd5;
    --color-orange-200: #fed7aa;
    --color-orange-300: #fdba74;
    --color-orange-400: #fb923c;
    --color-orange-500: #f97316;
    --color-orange-600: #ea580c;
    --color-orange-700: #c2410c;
    --color-orange-800: #9a3412;
    --color-orange-900: #7c2d12;

    /* Graphite Palette */
    --color-graphite-50: #f8fafc;
    --color-graphite-100: #f1f5f9;
    --color-graphite-200: #e2e8f0;
    --color-graphite-300: #cbd5e1;
    --color-graphite-400: #94a3b8;
    --color-graphite-500: #64748b;
    --color-graphite-600: #475569;
    --color-graphite-700: #334155;
    --color-graphite-800: #1e293b;
    --color-graphite-900: #0f172a;
    --color-graphite-950: #020617;

    /* Accent Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-orange-500) 0%, var(--color-orange-600) 50%, var(--color-orange-700) 100%);
    --gradient-hero: linear-gradient(135deg, var(--color-graphite-950) 0%, var(--color-graphite-900) 40%, var(--color-graphite-800) 100%);
    --gradient-warm: linear-gradient(135deg, var(--color-orange-400) 0%, var(--color-orange-600) 100%);
    --gradient-cool: linear-gradient(135deg, var(--color-graphite-700) 0%, var(--color-graphite-900) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(249, 115, 22, 0.3);
    --shadow-glow-strong: 0 0 60px rgba(249, 115, 22, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-slower: 500ms ease;

    /* Z-Index Scale */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* ============================================
   2. RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-graphite-200);
    background-color: var(--color-graphite-950);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   3. UTILITY CLASSES
   ============================================ */
.text-gradient {
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    margin-bottom: var(--space-16);
}

.section-header.centered {
    text-align: center;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-orange-400);
    margin-bottom: var(--space-4);
}

.section-tag::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--gradient-warm);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-white);
    max-width: 600px;
}

.section-header.centered .section-title {
    margin: 0 auto;
}

/* ============================================
   4. BUTTON COMPONENTS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-strong);
}

.btn-primary .btn-icon {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.btn-primary:hover .btn-icon {
    transform: translateX(3px);
}

.btn-secondary {
    background: var(--color-white-10);
    color: var(--color-white-80);
    border: 1px solid var(--color-white-20);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-white-15);
    color: var(--color-white);
    border-color: var(--color-white-40);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   5. NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-4) 0;
    transition: all var(--transition-slow);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-white-10);
    padding: var(--space-3) 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--color-orange-500);
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

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

.logo-main {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.logo-sub {
    font-size: var(--text-xs);
    color: var(--color-graphite-400);
    line-height: 1.2;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
    border-radius: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-white-60);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-warm);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-white);
}

.nav-link:hover::after {
    width: 100%;
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: var(--gradient-hero);
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-gradient-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(249, 115, 22, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 80%, rgba(251, 146, 60, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-white-05);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--color-white-80);
    margin-bottom: var(--space-6);
    width: fit-content;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-orange-500);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.title-line {
    display: block;
}

.title-accent {
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--color-white-60);
    max-width: 480px;
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
}

.hero-stats {
    display: flex;
    gap: var(--space-10);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-orange-400);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-white-40);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero Visual - Hologram */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hologram-container {
    position: relative;
    width: 400px;
    height: 400px;
}

.hologram-ring {
    position: absolute;
    border: 1px solid;
    border-radius: 50%;
    animation: ring-rotate linear infinite;
}

.ring-1 {
    width: 300px;
    height: 300px;
    top: 50px;
    left: 50px;
    border-color: var(--color-orange-500);
    opacity: 0.3;
    animation-duration: 20s;
}

.ring-2 {
    width: 360px;
    height: 360px;
    top: 20px;
    left: 20px;
    border-color: var(--color-orange-400);
    opacity: 0.2;
    animation-duration: 30s;
    animation-direction: reverse;
}

.ring-3 {
    width: 240px;
    height: 240px;
    top: 80px;
    left: 80px;
    border-color: var(--color-white);
    opacity: 0.15;
    animation-duration: 15s;
}

@keyframes ring-rotate {
    from { transform: rotateX(60deg) rotateZ(0deg); }
    to { transform: rotateX(60deg) rotateZ(360deg); }
}

.robot-chef {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 180px;
    height: 180px;
    color: var(--color-orange-400);
    animation: robot-float 4s ease-in-out infinite;
}

@keyframes robot-float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-15px); }
}

.hologram-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-orange-500) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-orange-500) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.03;
    transform: perspective(500px) rotateX(60deg);
    animation: grid-move 8s linear infinite;
}

@keyframes grid-move {
    from { background-position: 0 0; }
    to { background-position: 0 40px; }
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-white-40);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-white-30);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--color-orange-500);
    border-radius: 2px;
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50% { opacity: 0.3; transform: translateY(6px); }
}

/* ============================================
   7. ABOUT SECTION
   ============================================ */
.about {
    padding: var(--space-24) 0;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-text {
    font-size: var(--text-lg);
    color: var(--color-white-60);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.feature-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--gradient-glass);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.feature-item:hover {
    border-color: var(--color-orange-500);
    transform: translateX(8px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-info h4 {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-1);
}

.feature-info p {
    font-size: var(--text-sm);
    color: var(--color-white-50);
    line-height: 1.6;
}

.about-visual {
    position: relative;
}

.about-image-container {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image-glow {
    position: absolute;
    inset: -20px;
    background: var(--gradient-warm);
    opacity: 0.15;
    filter: blur(60px);
    border-radius: var(--radius-2xl);
}

.about-image-overlay {
    position: absolute;
    bottom: var(--space-6);
    left: var(--space-6);
    padding: var(--space-5) var(--space-6);
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-xl);
}

.overlay-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.overlay-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-orange-400);
}

.overlay-label {
    font-size: var(--text-xs);
    color: var(--color-white-50);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-xl);
    animation: card-float 6s ease-in-out infinite;
}

.card-1 {
    top: 20%;
    right: -20px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 15%;
    left: -30px;
    animation-delay: 3s;
}

@keyframes card-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--color-white);
}

.card-icon svg {
    width: 20px;
    height: 20px;
}

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

.card-value {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-white);
}

.card-desc {
    font-size: var(--text-xs);
    color: var(--color-white-50);
}

/* ============================================
   8. SYSTEMS SECTION
   ============================================ */
.systems {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, var(--color-graphite-950) 0%, rgba(30, 41, 59, 0.5) 50%, var(--color-graphite-950) 100%);
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.system-card {
    padding: var(--space-8) var(--space-6);
    background: var(--gradient-glass);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.system-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-warm);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

.system-card:hover {
    border-color: var(--color-orange-500);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), var(--shadow-glow);
}

.system-card:hover::before {
    transform: scaleX(1);
}

.system-visual {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-6);
}

.system-icon-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.15) 0%, rgba(251, 146, 60, 0.05) 100%);
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 1;
}

.system-icon {
    width: 48px;
    height: 48px;
    color: var(--color-orange-400);
}

.system-pulse {
    position: absolute;
    inset: -8px;
    border: 1px solid var(--color-orange-500);
    border-radius: var(--radius-xl);
    opacity: 0;
    animation: system-pulse 3s ease-out infinite;
}

@keyframes system-pulse {
    0% { opacity: 0.5; transform: scale(0.9); }
    100% { opacity: 0; transform: scale(1.3); }
}

.system-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.system-description {
    font-size: var(--text-sm);
    color: var(--color-white-50);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

.system-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-orange-400);
    transition: all var(--transition-base);
}

.system-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.system-link:hover {
    color: var(--color-orange-300);
}

.system-link:hover svg {
    transform: translateX(4px);
}

/* ============================================
   9. PROGRAMS SECTION
   ============================================ */
.programs {
    padding: var(--space-24) 0;
}

.programs-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.program-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: var(--gradient-glass);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.program-card:hover {
    border-color: var(--color-orange-500);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.program-card:nth-child(even) .program-content {
    order: 2;
}

.program-card:nth-child(even) .program-image {
    order: 1;
}

.program-number {
    position: absolute;
    top: var(--space-6);
    left: var(--space-6);
    font-family: var(--font-display);
    font-size: var(--text-6xl);
    font-weight: 900;
    color: var(--color-white-05);
    line-height: 1;
    pointer-events: none;
}

.program-content {
    position: relative;
    padding: var(--space-10) var(--space-8);
    display: flex;
    flex-direction: column;
}

.program-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.program-icon svg {
    width: 28px;
    height: 28px;
}

.program-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.program-description {
    font-size: var(--text-base);
    color: var(--color-white-50);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.program-meta {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-white-60);
}

.meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-orange-400);
}

.program-curriculum {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.program-curriculum li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-white-70);
}

.program-curriculum li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-orange-500);
    border-radius: 50%;
    flex-shrink: 0;
}

.program-image {
    position: relative;
    overflow: hidden;
}

.program-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slower);
}

.program-card:hover .program-image img {
    transform: scale(1.05);
}

/* ============================================
   10. ROBOTICS LAB SECTION
   ============================================ */
.lab {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, var(--color-graphite-950) 0%, rgba(30, 41, 59, 0.6) 30%, rgba(30, 41, 59, 0.6) 70%, var(--color-graphite-950) 100%);
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.project-card {
    background: var(--gradient-glass);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-slow);
}

.project-card:hover {
    border-color: var(--color-orange-500);
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slower);
}

.project-card:hover .project-image img {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
}

.project-status {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-orange-500);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.project-content {
    padding: var(--space-6);
}

.project-tag {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-orange-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

.project-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-3);
}

.project-description {
    font-size: var(--text-sm);
    color: var(--color-white-50);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

.project-team {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.team-avatars {
    display: flex;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-white);
    border: 2px solid var(--color-graphite-800);
    margin-left: -8px;
}

.avatar:first-child {
    margin-left: 0;
}

.team-label {
    font-size: var(--text-xs);
    color: var(--color-white-40);
}

/* ============================================
   11. CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--space-24) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.contact-description {
    font-size: var(--text-lg);
    color: var(--color-white-60);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--gradient-glass);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.contact-method:hover {
    border-color: var(--color-orange-500);
    transform: translateX(8px);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    flex-shrink: 0;
}

.method-icon svg {
    width: 20px;
    height: 20px;
}

.method-details {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: var(--text-xs);
    color: var(--color-white-40);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.method-value {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-white);
}

.contact-social {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white-05);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-lg);
    color: var(--color-white-60);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: var(--color-orange-500);
    color: var(--color-white);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Contact Form */
.contact-form-container {
    position: relative;
}

.contact-form {
    padding: var(--space-8);
    background: var(--gradient-glass);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-white-80);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--color-white-05);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    font-size: var(--text-sm);
    transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-white-30);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-orange-500);
    background: var(--color-white-10);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.4)' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.form-group select option {
    background: var(--color-graphite-900);
    color: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    position: absolute;
    inset: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    background: var(--gradient-glass);
    border: 1px solid var(--color-orange-500);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px);
    text-align: center;
}

.form-success.visible {
    display: flex;
}

.success-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.success-icon svg {
    width: 32px;
    height: 32px;
}

.form-success h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-2);
}

.form-success p {
    color: var(--color-white-60);
}

/* ============================================
   12. FOOTER
   ============================================ */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid var(--color-white-10);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.footer-tagline {
    font-size: var(--text-base);
    color: var(--color-white-50);
    line-height: 1.7;
    max-width: 320px;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-5);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-white-50);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-orange-400);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-white-10);
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--color-white-40);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    font-size: var(--text-sm);
    color: var(--color-white-40);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-orange-400);
}

/* ============================================
   13. ANIMATIONS & SCROLL REVEALS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   14. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-10);
        text-align: center;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .about-visual {
        order: -1;
    }

    .floating-card {
        display: none;
    }

    .systems-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .program-card {
        grid-template-columns: 1fr;
    }

    .program-card:nth-child(even) .program-content,
    .program-card:nth-child(even) .program-image {
        order: unset;
    }

    .program-image {
        height: 280px;
    }

    .lab-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        gap: var(--space-8);
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        padding: var(--space-8);
        transition: right var(--transition-slow);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: var(--text-xl);
        font-family: var(--font-display);
    }

    .hero {
        padding-top: 100px;
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }

    .section-title {
        font-size: var(--text-3xl);
    }

    .systems-grid {
        grid-template-columns: 1fr;
    }

    .lab-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --space-6: 0.875rem;
        --space-8: 1.5rem;
        --space-10: 2rem;
        --space-12: 2.5rem;
        --space-16: 3rem;
        --space-20: 4rem;
        --space-24: 5rem;
    }

    .hero-title {
        font-size: var(--text-2xl);
    }

    .btn {
        padding: var(--space-3) var(--space-4);
        font-size: var(--text-xs);
    }

    .section-title {
        font-size: var(--text-2xl);
    }

    .program-content {
        padding: var(--space-6);
    }
}

/* ============================================
   15. ACCESSIBILITY & REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-orange-500);
    outline-offset: 2px;
}

/* ============================================
   16. PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .hero-visual,
    .scroll-indicator,
    .hologram-container,
    .floating-card,
    .contact-form-container,
    .footer {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .section-container {
        max-width: 100%;
    }
}