/* ============================================
   INFINITY AI LUNAR ENGINEERING ACADEMY
   ============================================
   Futuristic Lunar Campus Styles
   Silver, Black, Deep Blue Gradients
   Glassmorphism, Premium Animations
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Core Colors */
    --color-silver-50: #f8f9fa;
    --color-silver-100: #e8e9eb;
    --color-silver-200: #d1d3d6;
    --color-silver-300: #a8abb0;
    --color-silver-400: #8a8d93;
    --color-silver-500: #6b6e75;
    --color-silver-600: #4a4d52;
    --color-silver-700: #3a3d42;
    --color-silver-800: #2a2d32;
    --color-silver-900: #1a1d22;

    /* Deep Blue Accents */
    --color-blue-400: #60a5fa;
    --color-blue-500: #3b82f6;
    --color-blue-600: #2563eb;
    --color-blue-700: #1d4ed8;
    --color-blue-800: #1e40af;
    --color-blue-900: #1e3a8a;

    /* Lunar Glow */
    --color-glow: rgba(192, 192, 192, 0.15);
    --color-glow-blue: rgba(59, 130, 246, 0.2);

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1d2e 50%, #0f172a 100%);
    --gradient-moon: radial-gradient(circle at 30% 30%, #e8e9eb 0%, #a8abb0 40%, #6b6e75 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    --gradient-accent: linear-gradient(90deg, #60a5fa 0%, #a8abb0 100%);

    /* Glassmorphism */
    --glass-bg: rgba(20, 22, 30, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --font-ui: 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index layers */
    --z-background: -1;
    --z-content: 1;
    --z-overlay: 10;
    --z-nav: 100;
    --z-modal: 1000;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-silver-200);
    background: #0a0a0f;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-silver-100);
}

/* ============================================
   STARFIELD CANVAS
   ============================================ */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    pointer-events: none;
}

/* ============================================
   NAVIGATION
   ============================================ */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: var(--space-md) var(--space-xl);
    transition: all var(--transition-base);
}

.main-nav.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding-top: var(--space-sm);
    padding-bottom: var(--space-sm);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.05em;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    color: var(--color-silver-100);
}

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

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

.nav-link {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-silver-300);
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

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

.nav-link:hover {
    color: var(--color-silver-100);
}

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

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

.nav-cta::after {
    background: var(--gradient-accent);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-silver-200);
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, transparent 0%, rgba(10,10,15,0.8) 70%);
    z-index: var(--z-overlay);
}

.hero-content {
    position: relative;
    z-index: var(--z-content);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-xl);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    padding: var(--space-xs) var(--space-md);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.badge-text {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-silver-300);
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: var(--color-silver-400);
    max-width: 540px;
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 8px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #0a0a0f;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
}

.btn-primary:hover::before {
    transform: translateX(100%);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-silver-200);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--color-blue-400);
    color: var(--color-silver-100);
}

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

.btn-icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--space-3xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-silver-100);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--color-silver-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--space-xs);
}

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

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

.moon {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--gradient-moon);
    box-shadow: 
        inset -40px -40px 80px rgba(0,0,0,0.5),
        0 0 60px var(--color-glow),
        0 0 120px var(--color-glow-blue);
    animation: moon-rotate 60s linear infinite;
}

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

.moon::after {
    content: '';
    position: absolute;
    top: 20%;
    left: 25%;
    width: 60px;
    height: 50px;
    background: rgba(0,0,0,0.15);
    border-radius: 50%;
    filter: blur(8px);
}

.moon::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 30%;
    width: 40px;
    height: 35px;
    background: rgba(0,0,0,0.1);
    border-radius: 50%;
    filter: blur(6px);
}

.moon-glow {
    position: absolute;
    inset: -30px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-glow-blue) 0%, transparent 70%);
    animation: glow-pulse 4s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.orbit-ring {
    position: absolute;
    border: 1px solid rgba(192, 192, 192, 0.1);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.orbit-ring-1 {
    width: 480px;
    height: 480px;
    animation: orbit-rotate 20s linear infinite;
}

.orbit-ring-2 {
    width: 560px;
    height: 560px;
    animation: orbit-rotate 30s linear infinite reverse;
}

.orbit-ring-3 {
    width: 640px;
    height: 640px;
    animation: orbit-rotate 45s linear infinite;
}

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

.satellite {
    position: absolute;
    width: 24px;
    height: 24px;
    color: var(--color-silver-400);
}

.satellite-1 {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: satellite-orbit-1 20s linear infinite;
}

.satellite-2 {
    top: 50%;
    right: 0;
    transform: translate(50%, -50%);
    animation: satellite-orbit-2 30s linear infinite;
}

@keyframes satellite-orbit-1 {
    from { transform: translate(-50%, -50%) rotate(0deg) translateX(240px) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg) translateX(240px) rotate(-360deg); }
}

@keyframes satellite-orbit-2 {
    from { transform: translate(50%, -50%) rotate(0deg) translateX(280px) rotate(0deg); }
    to { transform: translate(50%, -50%) rotate(360deg) translateX(280px) rotate(-360deg); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-silver-500);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: var(--z-content);
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-silver-500);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-silver-400);
    border-radius: 2px;
    animation: scroll-bounce 2s ease-in-out infinite;
}

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

/* ============================================
   SECTION COMMON STYLES
   ============================================ */
.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-xl);
}

.section-header {
    margin-bottom: var(--space-3xl);
    text-align: center;
}

.section-number {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-blue-400);
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-silver-400);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: linear-gradient(180deg, #0a0a0f 0%, #111827 50%, #0a0a0f 100%);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-lead {
    font-size: 1.25rem;
    color: var(--color-silver-100);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.about-content p {
    color: var(--color-silver-400);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.feature:hover {
    border-color: var(--color-blue-400);
    transform: translateY(-2px);
}

.feature-icon {
    width: 40px;
    height: 40px;
    color: var(--color-blue-400);
    flex-shrink: 0;
}

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

.feature span {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-silver-200);
}

/* About Visual */
.about-image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image-container:hover .about-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10,10,15,0.9) 100%);
}

.image-frame {
    position: absolute;
    inset: 16px;
    border: 1px solid rgba(192, 192, 192, 0.2);
    border-radius: 12px;
    pointer-events: none;
}

.image-data {
    position: absolute;
    bottom: var(--space-xl);
    left: var(--space-xl);
    display: grid;
    grid-template-columns: auto auto;
    gap: var(--space-xs) var(--space-lg);
    font-family: var(--font-display);
    font-size: 0.75rem;
}

.data-label {
    color: var(--color-silver-500);
    letter-spacing: 0.1em;
}

.data-value {
    color: var(--color-blue-400);
    font-weight: 600;
}

/* ============================================
   SYSTEMS SECTION
   ============================================ */
.systems {
    background: #0a0a0f;
    position: relative;
}

.systems::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-silver-700), transparent);
}

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

.system-card {
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
}

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

.system-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

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

.system-visual {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.system-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.system-card:hover .system-visual img {
    transform: scale(1.1);
}

.system-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(10,10,15,0.9) 100%);
}

.system-content {
    padding: var(--space-xl);
}

.system-number {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--color-blue-400);
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
}

.system-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.system-desc {
    color: var(--color-silver-400);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.system-metrics {
    display: flex;
    gap: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-silver-100);
    display: block;
}

.metric-label {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--color-silver-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   PROGRAMS SECTION
   ============================================ */
.programs {
    background: linear-gradient(180deg, #0a0a0f 0%, #0f172a 50%, #0a0a0f 100%);
    position: relative;
}

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

.program-card {
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.program-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.program-card[data-program="robotics"]::before {
    background: linear-gradient(90deg, #f59e0b, #ef4444);
}

.program-card[data-program="construction"]::before {
    background: linear-gradient(90deg, #10b981, #06b6d4);
}

.program-card[data-program="navigation"]::before {
    background: linear-gradient(90deg, #8b5cf6, #ec4899);
}

.program-card[data-program="engineering"]::before {
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
}

.program-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.15);
}

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

.program-icon {
    width: 64px;
    height: 64px;
    color: var(--color-silver-300);
    margin-bottom: var(--space-lg);
    transition: color var(--transition-base);
}

.program-card:hover .program-icon {
    color: var(--color-silver-100);
}

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

.program-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.program-desc {
    color: var(--color-silver-400);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.program-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
}

.detail {
    text-align: center;
}

.detail-label {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.625rem;
    color: var(--color-silver-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.detail-value {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-silver-200);
    font-weight: 600;
}

.program-curriculum {
    margin-bottom: var(--space-lg);
}

.program-curriculum li {
    padding: var(--space-xs) 0;
    padding-left: var(--space-lg);
    position: relative;
    font-size: 0.875rem;
    color: var(--color-silver-400);
}

.program-curriculum li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-blue-400);
    border-radius: 50%;
}

.program-cta {
    display: block;
    text-align: center;
    padding: var(--space-md);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-silver-300);
    transition: all var(--transition-base);
}

.program-cta:hover {
    background: var(--color-blue-600);
    border-color: var(--color-blue-600);
    color: white;
}

/* ============================================
   LUNAR LAB SECTION
   ============================================ */
.lunar-lab {
    background: #0a0a0f;
    position: relative;
}

.lunar-lab::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-silver-700), transparent);
}

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

.project-card {
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 20px 60px 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-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-status {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 6px;
    font-family: var(--font-ui);
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-status.active {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.project-status.completed {
    background: rgba(148, 163, 184, 0.2);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

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

.project-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.project-desc {
    color: var(--color-silver-400);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.project-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--glass-border);
}

.project-team {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-blue-400);
}

.project-year {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--color-silver-500);
}

.project-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 6px;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--color-blue-400);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: linear-gradient(180deg, #0a0a0f 0%, #111827 100%);
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-4xl);
    align-items: start;
}

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

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: all var(--transition-base);
}

.contact-card:hover {
    border-color: var(--color-blue-400);
    transform: translateX(8px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    color: var(--color-blue-400);
    flex-shrink: 0;
}

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

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

.contact-label {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--color-silver-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-value {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-silver-100);
    font-style: normal;
    transition: color var(--transition-fast);
}

.contact-value:hover {
    color: var(--color-blue-400);
}

.contact-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--color-silver-400);
    transition: all var(--transition-base);
}

.social-link:hover {
    color: var(--color-silver-100);
    border-color: var(--color-blue-400);
    transform: translateY(-4px);
}

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

/* Contact Form */
.contact-form-container {
    background: var(--gradient-card);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: var(--space-2xl);
    position: relative;
}

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

.form-label {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-silver-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--color-silver-100);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-blue-400);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-silver-600);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6e75' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

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

/* Form Success State */
.form-success {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    background: var(--gradient-card);
    border-radius: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
    padding: var(--space-2xl);
    text-align: center;
}

.form-success.visible {
    opacity: 1;
    visibility: visible;
}

.success-icon {
    width: 64px;
    height: 64px;
    color: #22c55e;
}

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

.success-title {
    font-size: 1.5rem;
}

.success-message {
    color: var(--color-silver-400);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: #050508;
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-xl) var(--space-xl);
}

.footer-brand {
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    display: inline-block;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    color: var(--color-silver-500);
    font-size: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid var(--glass-border);
}

.footer-heading {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-silver-300);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.footer-column li {
    margin-bottom: var(--space-sm);
}

.footer-column a {
    color: var(--color-silver-500);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-silver-200);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--color-silver-600);
    font-size: 0.875rem;
}

.footer-location {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-silver-500);
    font-size: 0.875rem;
}

.location-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   ANIMATIONS & EFFECTS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scroll-triggered animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .programs-container {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        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;
    }

    .about-visual {
        order: -1;
    }

    .about-image {
        height: 300px;
    }

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

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

    .contact-info {
        order: 1;
    }

    .contact-form-container {
        order: 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-2xl);
        transition: right var(--transition-smooth);
        border-left: 1px solid var(--glass-border);
    }

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

    .mobile-menu-btn {
        display: flex;
        z-index: calc(var(--z-nav) + 1);
    }

    .section-container {
        padding: var(--space-3xl) var(--space-lg);
    }

    .programs-container {
        grid-template-columns: 1fr;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }

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

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

    .moon-container {
        width: 280px;
        height: 280px;
    }

    .orbit-ring-1 {
        width: 340px;
        height: 340px;
    }

    .orbit-ring-2 {
        width: 400px;
        height: 400px;
    }

    .orbit-ring-3 {
        width: 460px;
        height: 460px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

    .hero-cta {
        flex-direction: column;
    }

    .system-metrics {
        flex-direction: column;
        gap: var(--space-md);
    }

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

/* ============================================
   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 {
    .main-nav,
    .hero-visual,
    .scroll-indicator,
    #starfield,
    .btn {
        display: none !important;
    }

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

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