/* ============================================
   VERTEX AI INTELLIGENT MEDICAL ROBOTICS ACADEMY
   Premium MedTech Campus Stylesheet
   ============================================ */

/* ------------------------------------------
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ------------------------------------------ */
:root {
    /* Color Palette: White, Silver, Cyan Gradients */
    --color-white: #ffffff;
    --color-snow: #f8fafc;
    --color-ghost: #f1f5f9;
    --color-silver-100: #e2e8f0;
    --color-silver-200: #cbd5e1;
    --color-silver-300: #94a3b8;
    --color-silver-400: #64748b;
    --color-slate-500: #475569;
    --color-slate-600: #334155;
    --color-slate-700: #1e293b;
    --color-slate-800: #0f172a;
    --color-slate-900: #020617;

    /* Cyan Accent Spectrum */
    --color-cyan-50: #ecfeff;
    --color-cyan-100: #cffafe;
    --color-cyan-200: #a5f3fc;
    --color-cyan-300: #67e8f9;
    --color-cyan-400: #22d3ee;
    --color-cyan-500: #06b6d4;
    --color-cyan-600: #0891b2;
    --color-cyan-700: #0e7490;
    --color-cyan-800: #155e75;

    /* Functional Colors */
    --color-primary: var(--color-cyan-500);
    --color-primary-light: var(--color-cyan-400);
    --color-primary-dark: var(--color-cyan-600);
    --color-accent: var(--color-cyan-300);
    --color-text: var(--color-slate-700);
    --color-text-light: var(--color-silver-400);
    --color-text-dark: var(--color-slate-900);
    --color-bg: var(--color-white);
    --color-bg-alt: var(--color-snow);

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, var(--color-slate-900) 0%, var(--color-slate-800) 50%, #0a1628 100%);
    --gradient-cyan: linear-gradient(135deg, var(--color-cyan-400) 0%, var(--color-cyan-600) 100%);
    --gradient-silver: linear-gradient(180deg, var(--color-white) 0%, var(--color-ghost) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-primary);
    --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;

    /* Effects */
    --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 -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(6, 182, 212, 0.15);
    --shadow-glow-strong: 0 0 60px rgba(6, 182, 212, 0.25);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-blur: 16px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-smooth: 600ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max: 1280px;
    --container-padding: var(--space-6);
    --navbar-height: 72px;
}

/* ------------------------------------------
   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-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
}

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

img, svg {
    display: block;
    max-width: 100%;
}

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

/* Selection */
::selection {
    background: var(--color-cyan-200);
    color: var(--color-slate-900);
}

/* ------------------------------------------
   3. UTILITY CLASSES
   ------------------------------------------ */
.section-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

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

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-text-dark);
    margin-bottom: var(--space-6);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-light);
    max-width: 600px;
}

/* ------------------------------------------
   4. BUTTONS
   ------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 8px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.btn-primary:hover::before {
    opacity: 1;
}

.btn-ghost {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.2);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.3);
}

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

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

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

/* ------------------------------------------
   5. NAVIGATION
   ------------------------------------------ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--navbar-height);
    transition: all var(--transition-slow);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    transition: color var(--transition-base);
}

.navbar.scrolled .nav-logo {
    color: var(--color-slate-900);
}

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

.logo-hex {
    fill: none;
    stroke: var(--color-cyan-400);
    stroke-width: 2;
}

.logo-core {
    fill: var(--color-cyan-400);
    opacity: 0.8;
}

.logo-pulse {
    stroke: var(--color-cyan-300);
    stroke-width: 2;
    stroke-linecap: round;
}

.logo-accent {
    color: var(--color-cyan-400);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    list-style: none;
}

.nav-link {
    display: block;
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    border-radius: 6px;
    transition: all var(--transition-base);
}

.navbar.scrolled .nav-link {
    color: var(--color-slate-600);
}

.nav-link:hover {
    color: var(--color-white);
    background: rgba(255,255,255,0.08);
}

.navbar.scrolled .nav-link:hover {
    color: var(--color-slate-900);
    background: var(--color-ghost);
}

.nav-cta {
    background: var(--gradient-cyan);
    color: var(--color-white) !important;
    margin-left: var(--space-2);
}

.nav-cta:hover {
    box-shadow: var(--shadow-glow);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    z-index: 1001;
}

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

.navbar.scrolled .hamburger-line {
    background: var(--color-slate-900);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

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

/* Hero Canvas - Holographic Background */
.hero-canvas {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hologram-grid {
    position: absolute;
    inset: -50%;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(rgba(6, 182, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6, 182, 212, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    transform: perspective(500px) rotateX(60deg);
    animation: gridFloat 20s linear infinite;
}

@keyframes gridFloat {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(60px); }
}

.floating-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.4;
    animation: orbFloat 8s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-cyan-400), transparent);
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-cyan-300), transparent);
    bottom: 20%;
    right: -5%;
    animation-delay: -3s;
}

.orb-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(148, 163, 184, 0.5), transparent);
    top: 50%;
    left: 50%;
    animation-delay: -6s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(30px, -30px); }
    50% { transform: translate(-20px, 20px); }
    75% { transform: translate(20px, 10px); }
}

.scan-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-cyan-400), transparent);
    opacity: 0.3;
    animation: scanMove 4s ease-in-out infinite;
}

@keyframes scanMove {
    0%, 100% { top: 20%; opacity: 0; }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    50% { top: 80%; }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-5);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-cyan-300);
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.8s ease;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-cyan-400);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-6xl);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--space-6);
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease backwards;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }

.title-highlight {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-cyan-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255,255,255,0.7);
    max-width: 520px;
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-stats {
    display: flex;
    gap: var(--space-12);
    animation: fadeInUp 0.8s ease 0.5s backwards;
}

.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-white);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-cyan-400);
}

.stat-label {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.5);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Visual - Surgical Robot */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

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

.robot-base {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-silver-200), var(--color-silver-300));
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.robot-arm {
    position: absolute;
    bottom: 100px;
    width: 8px;
    height: 120px;
    transform-origin: bottom center;
}

.arm-left {
    left: 35%;
    animation: armMoveLeft 4s ease-in-out infinite;
}

.arm-right {
    right: 35%;
    animation: armMoveRight 4s ease-in-out infinite;
}

@keyframes armMoveLeft {
    0%, 100% { transform: rotate(-15deg); }
    50% { transform: rotate(-25deg); }
}

@keyframes armMoveRight {
    0%, 100% { transform: rotate(15deg); }
    50% { transform: rotate(25deg); }
}

.joint {
    position: absolute;
    width: 16px;
    height: 16px;
    background: radial-gradient(circle, var(--color-cyan-300), var(--color-cyan-500));
    border-radius: 50%;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.j1 { top: 0; }
.j2 { top: 50%; }

.segment {
    position: absolute;
    width: 6px;
    background: linear-gradient(180deg, var(--color-silver-200), var(--color-silver-300));
    left: 50%;
    transform: translateX(-50%);
}

.s1 {
    top: 8px;
    height: 52px;
}

.s2 {
    top: 60px;
    height: 52px;
}

.end-effector {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--color-cyan-400);
    border-radius: 4px;
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.5);
    animation: toolGlow 2s ease infinite;
}

@keyframes toolGlow {
    0%, 100% { box-shadow: 0 0 30px rgba(6, 182, 212, 0.5); }
    50% { box-shadow: 0 0 50px rgba(6, 182, 212, 0.8); }
}

/* Hologram Display */
.hologram-display {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 180px;
    height: 180px;
}

.holo-ring {
    position: absolute;
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.ring-1 {
    width: 100%;
    height: 100%;
    animation: ringRotate 8s linear infinite;
}

.ring-2 {
    width: 75%;
    height: 75%;
    animation: ringRotate 6s linear infinite reverse;
}

.ring-3 {
    width: 50%;
    height: 50%;
    animation: ringRotate 4s linear infinite;
}

@keyframes ringRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.holo-data {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.data-row {
    display: flex;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.6);
}

.data-val {
    color: var(--color-cyan-300);
    font-weight: 600;
}

/* Scroll Indicator */
.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: rgba(255,255,255,0.4);
    font-size: var(--text-xs);
    font-family: var(--font-display);
    letter-spacing: 0.05em;
    animation: fadeInUp 0.8s ease 0.8s backwards;
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--color-cyan-400);
    border-radius: 2px;
    animation: scrollWheel 2s ease infinite;
}

@keyframes scrollWheel {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(8px); opacity: 0.3; }
}

/* ------------------------------------------
   7. ABOUT SECTION
   ------------------------------------------ */
.about {
    padding: var(--space-24) 0;
    background: var(--color-bg);
}

.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-text);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

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

.feature-item {
    display: flex;
    gap: var(--space-5);
    padding: var(--space-5);
    background: var(--color-snow);
    border-radius: 12px;
    border: 1px solid var(--color-silver-100);
    transition: all var(--transition-base);
}

.feature-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-cyan-200);
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-cyan-50), var(--color-cyan-100));
    border-radius: 12px;
    color: var(--color-cyan-600);
}

.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-text-dark);
    margin-bottom: var(--space-1);
}

.feature-info p {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.5;
}

/* About Visual */
.about-visual {
    position: relative;
}

.campus-card {
    background: var(--gradient-glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.campus-image {
    height: 240px;
    background: linear-gradient(135deg, var(--color-slate-800), var(--color-slate-900));
    position: relative;
    overflow: hidden;
}

.campus-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.campus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    width: 120px;
}

.grid-cell {
    aspect-ratio: 1;
    background: rgba(6, 182, 212, 0.15);
    border-radius: 4px;
    transition: all var(--transition-base);
}

.grid-cell.active {
    background: rgba(6, 182, 212, 0.5);
    animation: gridPulse 3s ease infinite;
}

.grid-cell.active:nth-child(2) { animation-delay: 0.5s; }
.grid-cell.active:nth-child(5) { animation-delay: 1s; }
.grid-cell.active:nth-child(8) { animation-delay: 1.5s; }

@keyframes gridPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.campus-label {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: var(--color-cyan-300);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.campus-info {
    padding: var(--space-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-silver-100);
}

.info-label {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.info-value {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-dark);
}

.floating-card {
    position: absolute;
    background: var(--gradient-glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: var(--space-5);
    box-shadow: var(--shadow-lg);
}

.card-secondary {
    bottom: -20px;
    right: -30px;
    width: 200px;
}

.mini-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 60px;
    margin-bottom: var(--space-3);
}

.chart-bar {
    flex: 1;
    background: var(--gradient-cyan);
    border-radius: 4px 4px 0 0;
    height: var(--h);
    animation: chartGrow 1.5s ease backwards;
}

.chart-bar:nth-child(1) { animation-delay: 0.1s; }
.chart-bar:nth-child(2) { animation-delay: 0.2s; }
.chart-bar:nth-child(3) { animation-delay: 0.3s; }
.chart-bar:nth-child(4) { animation-delay: 0.4s; }
.chart-bar:nth-child(5) { animation-delay: 0.5s; }

@keyframes chartGrow {
    from { height: 0; }
}

.card-label {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: var(--color-text-light);
}

/* ------------------------------------------
   8. SYSTEMS SECTION
   ------------------------------------------ */
.systems {
    padding: var(--space-24) 0;
    background: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.system-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: var(--space-8);
    border: 1px solid var(--color-silver-100);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.system-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-cyan);
    transform: scaleX(0);
    transition: transform var(--transition-smooth);
}

.system-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

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

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

.system-icon {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 2;
}

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

.icon-stroke {
    stroke: var(--color-cyan-500);
    stroke-width: 2;
    fill: none;
}

.icon-fill {
    fill: var(--color-cyan-400);
    opacity: 0.2;
}

.icon-dot {
    fill: var(--color-cyan-400);
}

.system-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.15), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.system-card:hover .system-glow {
    opacity: 1;
}

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

.system-desc {
    font-size: var(--text-base);
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.system-meta {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.meta-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-cyan-50);
    color: var(--color-cyan-700);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: 100px;
}

.meta-status {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: 100px;
    position: relative;
    padding-left: var(--space-6);
}

.meta-status::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: statusPulse 2s ease infinite;
}

.meta-status.online {
    background: #ecfdf5;
    color: #059669;
}

.meta-status.online::before {
    background: #10b981;
}

.meta-status.active {
    background: #eff6ff;
    color: #2563eb;
}

.meta-status.active::before {
    background: #3b82f6;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

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

.programs-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.program-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-8);
    align-items: center;
    padding: var(--space-8);
    background: var(--color-snow);
    border-radius: 20px;
    border: 1px solid var(--color-silver-100);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.program-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-cyan);
    transform: scaleY(0);
    transition: transform var(--transition-smooth);
}

.program-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
    transform: translateX(8px);
}

.program-card:hover::before {
    transform: scaleY(1);
}

.program-number {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-cyan-200);
    line-height: 1;
    min-width: 80px;
    text-align: center;
}

.program-content {
    flex: 1;
}

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

.program-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text-dark);
}

.program-duration {
    padding: var(--space-1) var(--space-4);
    background: var(--color-cyan-50);
    color: var(--color-cyan-700);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: 100px;
}

.program-desc {
    font-size: var(--text-base);
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

.program-modules {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.module-tag {
    padding: var(--space-1) var(--space-3);
    background: var(--color-white);
    border: 1px solid var(--color-silver-200);
    color: var(--color-slate-500);
    font-size: var(--text-xs);
    font-weight: 500;
    border-radius: 6px;
    transition: all var(--transition-base);
}

.program-card:hover .module-tag {
    border-color: var(--color-cyan-200);
    color: var(--color-cyan-700);
}

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

.progress-track {
    height: 6px;
    background: var(--color-silver-100);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: var(--progress);
    background: var(--gradient-cyan);
    border-radius: 3px;
    transition: width 1.5s ease;
}

.progress-label {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    font-weight: 500;
}

.program-visual {
    width: 200px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Program Illustrations */
.surgical-scene {
    position: relative;
    width: 160px;
    height: 120px;
}

.robot-arms-mini {
    position: absolute;
    inset: 0;
}

.mini-arm {
    position: absolute;
    width: 4px;
    height: 50px;
    background: linear-gradient(180deg, var(--color-cyan-400), var(--color-cyan-600));
    border-radius: 2px;
    top: 20px;
}

.ma-left {
    left: 40px;
    transform: rotate(-20deg);
    animation: miniArmLeft 3s ease-in-out infinite;
}

.ma-right {
    right: 40px;
    transform: rotate(20deg);
    animation: miniArmRight 3s ease-in-out infinite;
}

@keyframes miniArmLeft {
    0%, 100% { transform: rotate(-20deg); }
    50% { transform: rotate(-30deg); }
}

@keyframes miniArmRight {
    0%, 100% { transform: rotate(20deg); }
    50% { transform: rotate(30deg); }
}

.patient-table {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 30px;
    background: var(--color-silver-200);
    border-radius: 8px;
}

.ai-scene {
    width: 160px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neural-net {
    display: flex;
    gap: var(--space-4);
    align-items: center;
}

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

.net-node {
    width: 12px;
    height: 12px;
    background: var(--color-cyan-400);
    border-radius: 50%;
    animation: nodePulse 2s ease infinite;
}

.net-node:nth-child(2) { animation-delay: 0.2s; }
.net-node:nth-child(3) { animation-delay: 0.4s; }
.net-node:nth-child(4) { animation-delay: 0.6s; }

@keyframes nodePulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.3); opacity: 1; }
}

.diagnostics-scene {
    width: 160px;
    height: 120px;
    position: relative;
}

.scan-interface {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
}

.scan-frame {
    width: 80px;
    height: 80px;
    border: 2px solid var(--color-cyan-300);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.scan-target {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: rgba(6, 182, 212, 0.2);
    border-radius: 50%;
}

.scan-line-h {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-cyan-400);
    animation: scanLineMove 2s ease-in-out infinite;
}

@keyframes scanLineMove {
    0%, 100% { top: 10%; }
    50% { top: 90%; }
}

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

.data-bar {
    width: 40px;
    height: 8px;
    background: var(--color-cyan-200);
    border-radius: 4px;
    animation: dataBarGrow 1.5s ease infinite alternate;
}

.data-bar:nth-child(2) { animation-delay: 0.3s; }
.data-bar:nth-child(3) { animation-delay: 0.6s; }

@keyframes dataBarGrow {
    from { width: 20px; }
    to { width: 40px; }
}

.automation-scene {
    width: 160px;
    height: 120px;
    position: relative;
}

.conveyor-system {
    position: absolute;
    bottom: 30px;
    left: 10px;
    right: 10px;
    height: 8px;
    background: var(--color-silver-200);
    border-radius: 4px;
}

.package {
    position: absolute;
    bottom: 38px;
    width: 20px;
    height: 20px;
    background: var(--color-cyan-400);
    border-radius: 4px;
    animation: packageMove 3s linear infinite;
}

.p1 { left: 20px; animation-delay: 0s; }
.p2 { left: 70px; animation-delay: -1s; }
.p3 { left: 120px; animation-delay: -2s; }

@keyframes packageMove {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100px); }
}

.agv-unit {
    position: absolute;
    bottom: 50px;
    right: 20px;
    animation: agvMove 4s ease-in-out infinite;
}

.agv-body {
    width: 30px;
    height: 20px;
    background: var(--color-slate-500);
    border-radius: 6px;
}

.agv-light {
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: agvLight 1s ease infinite;
}

@keyframes agvMove {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-40px); }
}

@keyframes agvLight {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ------------------------------------------
   10. LAB SECTION
   ------------------------------------------ */
.lab {
    padding: var(--space-24) 0;
    background: var(--color-bg-alt);
}

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

.innovation-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--color-silver-100);
    transition: all var(--transition-smooth);
}

.innovation-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.innovation-card.featured {
    grid-column: span 2;
    grid-row: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.innovation-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--color-slate-800), var(--color-slate-900));
    overflow: hidden;
}

.innovation-card.featured .innovation-image {
    height: 100%;
}

.innovation-visual {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.innovation-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-4);
    background: linear-gradient(transparent, rgba(0,0,0,0.6));
}

.innovation-category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(6, 182, 212, 0.2);
    color: var(--color-cyan-300);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: 100px;
    backdrop-filter: blur(8px);
}

.innovation-info {
    padding: var(--space-6);
}

.innovation-title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--space-2);
}

.innovation-desc {
    font-size: var(--text-sm);
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--space-5);
}

.innovation-team {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.team-avatars {
    display: flex;
}

.avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gradient-cyan);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-white);
    margin-left: -8px;
}

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

.team-name {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    font-weight: 500;
}

.innovation-status {
    display: flex;
}

.status-badge {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: 100px;
}

.status-badge.published {
    background: #ecfdf5;
    color: #059669;
}

.status-badge.patent {
    background: #fef3c7;
    color: #d97706;
}

.status-badge.funded {
    background: #eff6ff;
    color: #2563eb;
}

.status-badge.clinical {
    background: #f3e8ff;
    color: #7c3aed;
}

/* Innovation Visuals */
.iv-brain .brain-model {
    position: relative;
    width: 100px;
    height: 80px;
}

.brain-hemisphere {
    position: absolute;
    width: 50px;
    height: 70px;
    background: rgba(6, 182, 212, 0.2);
    border: 2px solid var(--color-cyan-400);
    border-radius: 50% 50% 40% 40%;
    top: 0;
}

.bh-left {
    left: 0;
    transform: rotate(-10deg);
}

.bh-right {
    right: 0;
    transform: rotate(10deg);
}

.neural-paths {
    position: absolute;
    inset: 0;
}

.path {
    position: absolute;
    height: 2px;
    background: var(--color-cyan-300);
    opacity: 0.6;
    animation: pathPulse 2s ease infinite;
}

.p1 {
    top: 30%;
    left: 20%;
    width: 60px;
    transform: rotate(20deg);
}

.p2 {
    top: 50%;
    left: 25%;
    width: 50px;
    transform: rotate(-15deg);
    animation-delay: 0.5s;
}

.p3 {
    top: 70%;
    left: 30%;
    width: 40px;
    transform: rotate(10deg);
    animation-delay: 1s;
}

@keyframes pathPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.iv-heart .heart-model {
    position: relative;
    width: 80px;
    height: 80px;
}

.heart-chamber {
    position: absolute;
    width: 35px;
    height: 45px;
    background: rgba(239, 68, 68, 0.2);
    border: 2px solid #ef4444;
    border-radius: 50% 50% 40% 40%;
    animation: heartBeat 1.2s ease infinite;
}

.hc-left {
    left: 5px;
    top: 10px;
}

.hc-right {
    right: 5px;
    top: 10px;
    animation-delay: 0.1s;
}

.heart-valve {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: rgba(239, 68, 68, 0.4);
    border-radius: 50%;
}

.ecg-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 20px;
}

.ecg-line svg {
    width: 100%;
    height: 100%;
}

.ecg-line path {
    stroke: #22c55e;
    stroke-width: 2;
    fill: none;
    animation: ecgDraw 2s ease infinite;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    15% { transform: scale(1.1); }
    30% { transform: scale(1); }
    45% { transform: scale(1.08); }
}

@keyframes ecgDraw {
    0% { stroke-dasharray: 0 100; }
    50% { stroke-dasharray: 100 0; }
    100% { stroke-dasharray: 100 0; }
}

.iv-eye .eye-model {
    position: relative;
    width: 80px;
    height: 80px;
}

.eye-sclera {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.9);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
}

.eye-iris {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--color-cyan-400);
    border-radius: 50%;
    overflow: hidden;
}

.iris-pattern {
    position: absolute;
    inset: 0;
    background: repeating-conic-gradient(
        from 0deg,
        transparent 0deg,
        rgba(255,255,255,0.1) 10deg,
        transparent 20deg
    );
    animation: irisRotate 10s linear infinite;
}

@keyframes irisRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.eye-laser {
    position: absolute;
    top: 50%;
    right: -10px;
    width: 30px;
    height: 2px;
    background: #ef4444;
    transform-origin: left center;
    animation: laserScan 2s ease-in-out infinite;
}

@keyframes laserScan {
    0%, 100% { transform: translateY(-10px); opacity: 0.5; }
    50% { transform: translateY(10px); opacity: 1; }
}

.iv-lung .lung-model {
    position: relative;
    width: 80px;
    height: 80px;
}

.lung-lobe {
    position: absolute;
    width: 35px;
    height: 60px;
    background: rgba(6, 182, 212, 0.15);
    border: 2px solid var(--color-cyan-400);
    border-radius: 50% 50% 40% 60%;
}

.ll-left {
    left: 5px;
    transform: rotate(-5deg);
}

.ll-right {
    right: 5px;
    transform: rotate(5deg) scaleX(-1);
}

.bronchi-tree {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.bronchus {
    position: absolute;
    width: 3px;
    background: var(--color-cyan-300);
    border-radius: 2px;
}

.b1 {
    height: 25px;
    left: 0;
    top: 0;
}

.b2 {
    height: 20px;
    left: -10px;
    top: 20px;
    transform: rotate(-30deg);
}

.b3 {
    height: 20px;
    left: 10px;
    top: 20px;
    transform: rotate(30deg);
}

.iv-bone .bone-model {
    position: relative;
    width: 80px;
    height: 80px;
}

.bone-segment {
    position: absolute;
    width: 20px;
    height: 35px;
    background: rgba(226, 232, 240, 0.8);
    border: 2px solid var(--color-silver-300);
    border-radius: 8px;
}

.bs-upper {
    top: 5px;
    left: 50%;
    transform: translateX(-50%) rotate(-10deg);
}

.bone-joint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    background: var(--color-cyan-400);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
}

.bs-lower {
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%) rotate(10deg);
}

.implant-overlay {
    position: absolute;
    inset: 10px;
    border: 2px dashed var(--color-cyan-400);
    border-radius: 12px;
    opacity: 0.5;
    animation: implantPulse 2s ease infinite;
}

@keyframes implantPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

.iv-skin .skin-model {
    position: relative;
    width: 100px;
    height: 80px;
}

.skin-layers {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
}

.layer {
    flex: 1;
    border-radius: 4px;
    margin: 2px 0;
}

.epidermis {
    background: rgba(254, 215, 170, 0.6);
    border: 1px solid #fdba74;
}

.dermis {
    background: rgba(254, 202, 152, 0.5);
    border: 1px solid #fb923c;
}

.subcutis {
    background: rgba(252, 165, 165, 0.4);
    border: 1px solid #f87171;
}

.lesion-marker {
    position: absolute;
    top: 30%;
    left: 60%;
    width: 16px;
    height: 16px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid var(--color-white);
    animation: lesionPulse 1.5s ease infinite;
}

.scan-beam {
    position: absolute;
    top: 0;
    left: 50%;
    width: 30px;
    height: 100%;
    background: linear-gradient(180deg, rgba(6, 182, 212, 0.3), transparent);
    transform: translateX(-50%);
    animation: beamScan 2s ease-in-out infinite;
}

@keyframes lesionPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

@keyframes beamScan {
    0%, 100% { left: 30%; opacity: 0.5; }
    50% { left: 70%; opacity: 1; }
}

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

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

.contact-text {
    font-size: var(--text-lg);
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--space-10);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    margin-bottom: var(--space-10);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    padding: var(--space-5);
    background: var(--color-snow);
    border-radius: 12px;
    border: 1px solid var(--color-silver-100);
    transition: all var(--transition-base);
}

.contact-item:hover {
    transform: translateX(8px);
    border-color: var(--color-cyan-200);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-cyan-50), var(--color-cyan-100));
    border-radius: 12px;
    color: var(--color-cyan-600);
}

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

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

.contact-label {
    font-size: var(--text-sm);
    color: var(--color-text-light);
}

.contact-value {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text-dark);
}

.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-snow);
    border: 1px solid var(--color-silver-100);
    border-radius: 12px;
    color: var(--color-slate-500);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-cyan);
    color: var(--color-white);
    border-color: transparent;
    transform: translateY(-4px);
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-snow);
    border-radius: 20px;
    padding: var(--space-10);
    border: 1px solid var(--color-silver-100);
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.form-group label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-4) var(--space-5);
    background: var(--color-white);
    border: 1px solid var(--color-silver-200);
    border-radius: 10px;
    font-family: inherit;
    font-size: var(--text-base);
    color: var(--color-text-dark);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan-400);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-silver-300);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
}

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

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-16) var(--space-10);
    gap: var(--space-6);
}

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

.success-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ecfdf5;
    color: #059669;
    border-radius: 50%;
}

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

.form-success h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text-dark);
}

.form-success p {
    color: var(--color-text-light);
}

/* ------------------------------------------
   12. FOOTER
   ------------------------------------------ */
.footer {
    background: var(--color-slate-900);
    padding: var(--space-16) 0 var(--space-8);
}

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

.footer-main {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-16);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-logo .logo-hex {
    stroke: var(--color-cyan-400);
}

.footer-logo .logo-core {
    fill: var(--color-cyan-400);
}

.footer-logo .logo-accent {
    color: var(--color-cyan-400);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
}

.footer-column h4 {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-5);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-column a {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.5);
    transition: color var(--transition-base);
}

.footer-column a:hover {
    color: var(--color-cyan-300);
}

.footer-bottom {
    padding-top: var(--space-8);
    text-align: center;
}

.footer-copyright {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.4);
}

/* ------------------------------------------
   13. RESPONSIVE DESIGN
   ------------------------------------------ */
@media (max-width: 1024px) {
    :root {
        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
    }

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

    .hero-visual {
        display: none;
    }

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

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

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

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

    .about-visual {
        order: -1;
    }

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

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

    .program-visual {
        display: none;
    }

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

    .innovation-card.featured {
        grid-column: span 2;
        grid-row: span 1;
        grid-template-columns: 1fr;
    }

    .innovation-card.featured .innovation-image {
        height: 200px;
    }

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

@media (max-width: 768px) {
    :root {
        --container-padding: var(--space-5);
        --text-6xl: 2.5rem;
        --text-5xl: 2rem;
        --text-4xl: 1.75rem;
        --text-3xl: 1.5rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-slate-900);
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-8);
        gap: var(--space-2);
        transform: translateX(100%);
        transition: transform var(--transition-smooth);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .navbar.scrolled .nav-menu {
        background: rgba(255,255,255,0.98);
    }

    .nav-link {
        padding: var(--space-5);
        font-size: var(--text-lg);
        color: var(--color-white);
        border-radius: 12px;
    }

    .navbar.scrolled .nav-link {
        color: var(--color-slate-900);
    }

    .nav-cta {
        margin-left: 0;
        margin-top: var(--space-4);
        text-align: center;
        justify-content: center;
    }

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

    .stat-item {
        align-items: center;
    }

    .about-features {
        gap: var(--space-4);
    }

    .feature-item {
        padding: var(--space-4);
    }

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

    .program-number {
        font-size: var(--text-4xl);
    }

    .program-header {
        flex-direction: column;
        gap: var(--space-3);
    }

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

    .innovation-card.featured {
        grid-column: span 1;
    }

    .contact-methods {
        gap: var(--space-4);
    }

    .contact-item {
        padding: var(--space-4);
    }

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

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

    .campus-card {
        margin: 0 calc(-1 * var(--container-padding));
        border-radius: 0;
    }

    .floating-card.card-secondary {
        display: none;
    }
}

/* ------------------------------------------
   14. ANIMATIONS & EFFECTS
   ------------------------------------------ */
/* Scroll-triggered animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all var(--transition-smooth);
}

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

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-smooth);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.6s; opacity: 1; transform: translateY(0); }

/* Parallax effect for hero */
@media (prefers-reduced-motion: no-preference) {
    .hero-canvas {
        will-change: transform;
    }
}

/* 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;
    }
}

/* Print styles */
@media print {
    .navbar,
    .hero-canvas,
    .scroll-indicator,
    .hero-visual,
    .program-visual,
    .innovation-visual,
    .footer {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: var(--space-8) 0;
    }

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

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