/* ============================================
   INFINITY AI QUANTUM ROBOTICS ACADEMY
   Production-Ready Stylesheet
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Core Colors */
    --color-bg-deep: #020617;
    --color-bg-mid: #0a0e27;
    --color-bg-surface: #0f172a;
    --color-bg-glass: rgba(15, 23, 42, 0.7);
    
    /* Primary Cyan Palette */
    --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;
    --color-cyan-900: #164e63;
    
    /* Accent Colors */
    --color-magenta: #e879f9;
    --color-violet: #a78bfa;
    --color-emerald: #34d399;
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #020617 0%, #0a0e27 50%, #0f172a 100%);
    --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #22d3ee 50%, #67e8f9 100%);
    --gradient-text: linear-gradient(135deg, #22d3ee 0%, #a78bfa 50%, #e879f9 100%);
    --gradient-glass: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(6, 182, 212, 0.05) 100%);
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-heading: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing Scale */
    --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;
    --space-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(6, 182, 212, 0.4);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index Scale */
    --z-base: 0;
    --z-above: 10;
    --z-nav: 100;
    --z-modal: 1000;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-cyan-100);
    background-color: var(--color-bg-deep);
    overflow-x: hidden;
}

/* Quantum Canvas Background */
#quantum-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.glass-card {
    background: var(--gradient-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(34, 211, 238, 0.1);
    border-radius: var(--radius-lg);
}

.glass-panel {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(34, 211, 238, 0.08);
    border-radius: var(--radius-xl);
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
}

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

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

.btn-primary .btn-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.3) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-cyan-300);
    border: 1px solid rgba(34, 211, 238, 0.3);
}

.btn-secondary:hover {
    background: rgba(34, 211, 238, 0.1);
    border-color: var(--color-cyan-400);
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

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

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

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

.navbar.scrolled {
    background: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(34, 211, 238, 0.1);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
    color: var(--color-cyan-50);
}

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

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

.logo-ring-outer,
.logo-ring-inner {
    animation: logoRotate 20s linear infinite;
    transform-origin: center;
}

.logo-ring-inner {
    animation-direction: reverse;
    animation-duration: 15s;
}

.logo-cross {
    animation: logoPulse 3s ease-in-out infinite;
}

.logo-core {
    animation: logoCorePulse 2s ease-in-out infinite;
}

.logo-triangle {
    animation: logoTriangleFloat 3s ease-in-out infinite;
}

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

@keyframes logoPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes logoCorePulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.1); opacity: 1; }
}

@keyframes logoTriangleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}

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

.logo-main {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    line-height: 1;
}

.logo-sub {
    font-family: var(--font-heading);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-cyan-500);
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-cyan-200);
    text-decoration: none;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-cyan);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--color-cyan-50);
}

.nav-link:hover::after {
    width: 80%;
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-cyan-300);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: var(--space-5xl) 0 var(--space-4xl);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(167, 139, 250, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    position: relative;
    z-index: 1;
    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);
    padding: var(--space-xs) var(--space-md);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
}

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

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

.badge-text {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-cyan-300);
}

.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-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-cyan-200);
    max-width: 480px;
    margin-bottom: var(--space-xl);
    opacity: 0.9;
}

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

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

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-cyan-400);
    line-height: 1;
}

.stat-number::after {
    content: '+';
    font-size: 1.5rem;
    vertical-align: super;
}

.stat-label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-cyan-500);
    margin-top: var(--space-xs);
}

/* Hero Visual - Robot */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.robot-container {
    position: relative;
    width: 280px;
    height: 400px;
    animation: robotFloat 6s ease-in-out infinite;
}

@keyframes robotFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.robot-head {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 100px;
    background: linear-gradient(180deg, rgba(34, 211, 238, 0.2) 0%, rgba(15, 23, 42, 0.8) 100%);
    border: 2px solid rgba(34, 211, 238, 0.3);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.robot-face {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 50px;
}

.robot-eye {
    position: absolute;
    width: 20px;
    height: 12px;
    background: var(--color-cyan-400);
    border-radius: var(--radius-full);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.6);
    animation: eyeGlow 3s ease-in-out infinite;
}

.robot-eye.left {
    left: 0;
    top: 10px;
}

.robot-eye.right {
    right: 0;
    top: 10px;
}

@keyframes eyeGlow {
    0%, 100% { opacity: 0.7; box-shadow: 0 0 20px rgba(34, 211, 238, 0.6); }
    50% { opacity: 1; box-shadow: 0 0 40px rgba(34, 211, 238, 0.9); }
}

.robot-mouth {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 4px;
    background: var(--color-cyan-500);
    border-radius: var(--radius-full);
    opacity: 0.6;
}

.robot-torso {
    position: absolute;
    top: 110px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 160px;
    background: linear-gradient(180deg, rgba(34, 211, 238, 0.15) 0%, rgba(15, 23, 42, 0.9) 100%);
    border: 2px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.chest-panel {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.panel-light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-cyan-400);
    animation: panelBlink 2s ease-in-out infinite;
}

.panel-light:nth-child(2) {
    animation-delay: 0.3s;
}

.panel-light:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes panelBlink {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; box-shadow: 0 0 10px var(--color-cyan-400); }
}

.robot-arm {
    position: absolute;
    top: 120px;
    width: 30px;
    height: 140px;
}

.robot-arm.left {
    left: 30px;
}

.robot-arm.right {
    right: 30px;
}

.arm-segment {
    width: 100%;
    height: 60px;
    background: linear-gradient(180deg, rgba(34, 211, 238, 0.15) 0%, rgba(15, 23, 42, 0.8) 100%);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.robot-hand {
    width: 36px;
    height: 36px;
    background: rgba(34, 211, 238, 0.2);
    border: 2px solid rgba(34, 211, 238, 0.3);
    border-radius: 50%;
    margin-left: -3px;
}

/* Orbit Rings */
.orbit-ring {
    position: absolute;
    border: 1px solid rgba(34, 211, 238, 0.15);
    border-radius: 50%;
    animation: orbitRotate linear infinite;
}

.orbit-1 {
    width: 400px;
    height: 400px;
    animation-duration: 30s;
}

.orbit-2 {
    width: 500px;
    height: 500px;
    animation-duration: 45s;
    animation-direction: reverse;
}

.orbit-3 {
    width: 600px;
    height: 600px;
    animation-duration: 60s;
}

@keyframes orbitRotate {
    from { transform: rotate(0deg); }
    to { transform: 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);
    opacity: 0.6;
    animation: scrollBounce 2s ease-in-out infinite;
}

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

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-cyan-400);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--color-cyan-400);
    border-radius: var(--radius-full);
    animation: scrollWheel 1.5s ease-in-out infinite;
}

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

.scroll-text {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--color-cyan-400);
}

/* ============================================
   SECTION COMMON STYLES
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header.left-aligned {
    text-align: left;
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-cyan-500);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--space-5xl) 0;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-4xl);
}

.about-card {
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
}

.about-card:hover {
    transform: translateY(-8px);
    border-color: rgba(34, 211, 238, 0.3);
    box-shadow: var(--shadow-glow);
}

.about-card.featured {
    border-color: rgba(34, 211, 238, 0.3);
}

.about-card.featured .card-glow {
    position: absolute;
    inset: -1px;
    background: var(--gradient-cyan);
    border-radius: var(--radius-lg);
    opacity: 0.3;
    z-index: -1;
    filter: blur(20px);
}

.card-icon {
    width: 64px;
    height: 64px;
    color: var(--color-cyan-400);
    margin-bottom: var(--space-lg);
}

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

.card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-cyan-50);
}

.card-text {
    color: var(--color-cyan-200);
    opacity: 0.85;
    line-height: 1.7;
}

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

.mission-quote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.6;
    color: var(--color-cyan-100);
    border-left: 3px solid var(--color-cyan-500);
    padding-left: var(--space-xl);
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.mission-author {
    font-family: var(--font-heading);
    font-size: 1rem;
    color: var(--color-cyan-400);
    font-style: normal;
}

/* Hologram */
.hologram-container {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hologram-base {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 20px;
    background: radial-gradient(ellipse, rgba(34, 211, 238, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

.hologram-projection {
    position: relative;
    width: 180px;
    height: 280px;
    animation: holoFloat 4s ease-in-out infinite;
}

@keyframes holoFloat {
    0%, 100% { transform: translateY(0); opacity: 0.9; }
    50% { transform: translateY(-15px); opacity: 1; }
}

.holo-grid {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(rgba(34, 211, 238, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 211, 238, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    border-radius: var(--radius-lg);
    animation: holoScan 3s linear infinite;
}

@keyframes holoScan {
    0% { background-position: 0 0; }
    100% { background-position: 0 20px; }
}

.holo-robot {
    position: relative;
    width: 100%;
    height: 100%;
}

.holo-part {
    position: absolute;
    background: rgba(34, 211, 238, 0.15);
    border: 1px solid rgba(34, 211, 238, 0.4);
    border-radius: var(--radius-md);
    animation: holoPartPulse 2s ease-in-out infinite;
}

.holo-part.head {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 60px;
}

.holo-part.body {
    top: 70px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 100px;
}

.holo-part.arm-left,
.holo-part.arm-right {
    top: 80px;
    width: 30px;
    height: 80px;
}

.holo-part.arm-left {
    left: 10px;
}

.holo-part.arm-right {
    right: 10px;
}

@keyframes holoPartPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ============================================
   SYSTEMS SECTION
   ============================================ */
.systems {
    padding: var(--space-5xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.03) 50%, transparent 100%);
}

.systems-showcase {
    position: relative;
}

.system-panel {
    padding: var(--space-2xl);
    margin-bottom: var(--space-xl);
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.system-panel.active {
    display: grid;
    animation: panelFadeIn 0.5s ease;
}

@keyframes panelFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.system-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-cyan-400);
    opacity: 0.5;
    line-height: 1;
}

.system-name {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-cyan-50);
}

.panel-body p {
    color: var(--color-cyan-200);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.system-specs {
    list-style: none;
}

.system-specs li {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(34, 211, 238, 0.1);
    font-family: var(--font-heading);
    font-size: 0.9375rem;
}

.spec-label {
    color: var(--color-cyan-400);
}

/* System Visuals */
.quantum-circuit {
    position: relative;
    height: 200px;
}

.qubit-line {
    position: absolute;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(34, 211, 238, 0.3);
}

.qubit-line:nth-child(1) { top: 30%; }
.qubit-line:nth-child(2) { top: 50%; }
.qubit-line:nth-child(3) { top: 70%; }

.gate {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--color-cyan-400);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--color-cyan-400);
    background: rgba(34, 211, 238, 0.1);
    animation: gatePulse 2s ease-in-out infinite;
}

.gate::after {
    position: absolute;
    font-weight: 700;
}

.gate-h::after { content: 'H'; }
.gate-cnot::after { content: '⊕'; }
.gate-t::after { content: 'T'; }

.gate-h { left: 25%; top: 20%; }
.gate-cnot { left: 50%; top: 40%; }
.gate-t { left: 75%; top: 60%; }

@keyframes gatePulse {
    0%, 100% { box-shadow: 0 0 5px rgba(34, 211, 238, 0.3); }
    50% { box-shadow: 0 0 20px rgba(34, 211, 238, 0.6); }
}

/* Neural Mesh */
.neural-mesh {
    position: relative;
    height: 200px;
}

.neuron {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--color-cyan-400);
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(34, 211, 238, 0.5);
    animation: neuronPulse 2s ease-in-out infinite;
}

@keyframes neuronPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
}

.synapses {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.synapse {
    stroke: rgba(34, 211, 238, 0.3);
    stroke-width: 1;
    animation: synapseFlow 3s linear infinite;
}

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

/* Nano Fabrication */
.nano-fab {
    position: relative;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wafer {
    width: 160px;
    height: 160px;
    background: rgba(34, 211, 238, 0.1);
    border: 2px solid rgba(34, 211, 238, 0.3);
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    animation: waferRotate 20s linear infinite;
}

.die {
    position: absolute;
    width: 30px;
    height: 30px;
    background: rgba(34, 211, 238, 0.2);
    border: 1px solid rgba(34, 211, 238, 0.4);
    border-radius: 2px;
}

.die:nth-child(1) { top: 20%; left: 35%; }
.die:nth-child(2) { top: 20%; left: 55%; }
.die:nth-child(3) { top: 40%; left: 25%; }
.die:nth-child(4) { top: 40%; left: 45%; }
.die:nth-child(5) { top: 40%; left: 65%; }
.die:nth-child(6) { top: 60%; left: 35%; }
.die:nth-child(7) { top: 60%; left: 55%; }
.die:nth-child(8) { top: 35%; left: 45%; }
.die:nth-child(9) { top: 50%; left: 40%; }

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

.laser-beam {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-cyan-400) 0%, transparent 100%);
    animation: laserScan 3s ease-in-out infinite;
}

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

/* System Tabs */
.system-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.system-tab {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    color: var(--color-cyan-300);
}

.system-tab:hover {
    border-color: var(--color-cyan-400);
    color: var(--color-cyan-100);
}

.system-tab.active {
    background: rgba(34, 211, 238, 0.1);
    border-color: var(--color-cyan-400);
    color: var(--color-cyan-50);
}

.tab-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-cyan-500);
    transition: all var(--transition-base);
}

.system-tab.active .tab-dot {
    background: var(--color-cyan-300);
    box-shadow: 0 0 10px var(--color-cyan-400);
}

/* ============================================
   PROGRAMS SECTION
   ============================================ */
.programs {
    padding: var(--space-5xl) 0;
}

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

.program-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg-surface);
    border: 1px solid rgba(34, 211, 238, 0.1);
    transition: all var(--transition-base);
}

.program-card:hover {
    transform: translateY(-8px);
    border-color: rgba(34, 211, 238, 0.3);
    box-shadow: var(--shadow-glow);
}

.program-card.featured {
    border-color: rgba(34, 211, 238, 0.3);
}

.card-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-cyan);
    color: var(--color-bg-deep);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    z-index: 2;
}

.card-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.card-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
}

.card-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(167, 139, 250, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(34, 211, 238, 0.05) 0%, transparent 50%);
}

.card-content {
    position: relative;
    z-index: 1;
    padding: var(--space-2xl);
}

.program-icon {
    width: 56px;
    height: 56px;
    color: var(--color-cyan-400);
    margin-bottom: var(--space-lg);
}

.program-duration {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-cyan-400);
    margin-bottom: var(--space-md);
}

.program-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-cyan-50);
    margin-bottom: var(--space-md);
}

.program-description {
    color: var(--color-cyan-200);
    opacity: 0.85;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.program-modules {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.program-modules li {
    position: relative;
    padding-left: var(--space-lg);
    padding-bottom: var(--space-sm);
    color: var(--color-cyan-300);
    font-size: 0.9375rem;
}

.program-modules li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-cyan-500);
}

.program-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-cyan-400);
    text-decoration: none;
    transition: all var(--transition-base);
}

.program-cta:hover {
    color: var(--color-cyan-200);
}

.program-cta svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base);
}

.program-cta:hover svg {
    transform: translateX(4px);
}

.card-decoration {
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    opacity: 0.1;
}

.deco-ring {
    position: absolute;
    inset: 0;
    border: 2px solid var(--color-cyan-400);
    border-radius: 50%;
    animation: decoRotate 20s linear infinite;
}

.deco-ring:nth-child(2) {
    inset: 20px;
    animation-direction: reverse;
    animation-duration: 15s;
}

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

/* ============================================
   LAB SECTION
   ============================================ */
.lab {
    padding: var(--space-5xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.02) 50%, transparent 100%);
}

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

.project-card {
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(167, 139, 250, 0.05) 100%);
}

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

/* Hexapod */
.hexapod .hex-body {
    position: absolute;
    width: 80px;
    height: 40px;
    background: rgba(34, 211, 238, 0.2);
    border: 2px solid var(--color-cyan-400);
    border-radius: var(--radius-md);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hexapod .hex-leg {
    position: absolute;
    width: 4px;
    height: 50px;
    background: var(--color-cyan-400);
    border-radius: var(--radius-full);
    transform-origin: top center;
}

.hex-leg.l1 { top: 35%; left: 35%; transform: rotate(-30deg); animation: legMove 1s ease-in-out infinite; }
.hex-leg.l2 { top: 50%; left: 30%; transform: rotate(-15deg); animation: legMove 1s ease-in-out 0.2s infinite; }
.hex-leg.l3 { top: 65%; left: 35%; transform: rotate(15deg); animation: legMove 1s ease-in-out 0.4s infinite; }
.hex-leg.r1 { top: 35%; right: 35%; transform: rotate(30deg); animation: legMove 1s ease-in-out 0.1s infinite; }
.hex-leg.r2 { top: 50%; right: 30%; transform: rotate(15deg); animation: legMove 1s ease-in-out 0.3s infinite; }
.hex-leg.r3 { top: 65%; right: 35%; transform: rotate(-15deg); animation: legMove 1s ease-in-out 0.5s infinite; }

@keyframes legMove {
    0%, 100% { transform: rotate(var(--r, 0deg)) translateY(0); }
    50% { transform: rotate(var(--r, 0deg)) translateY(-5px); }
}

/* Drone */
.drone .drone-body {
    position: absolute;
    width: 60px;
    height: 20px;
    background: rgba(34, 211, 238, 0.2);
    border: 2px solid var(--color-cyan-400);
    border-radius: var(--radius-full);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.drone-arm {
    position: absolute;
    width: 50px;
    height: 3px;
    background: var(--color-cyan-400);
    top: 50%;
    left: 50%;
    transform-origin: center;
}

.drone-arm.a1 { transform: translate(-50%, -50%) rotate(0deg); }
.drone-arm.a2 { transform: translate(-50%, -50%) rotate(90deg); }
.drone-arm.a3 { transform: translate(-50%, -50%) rotate(180deg); }
.drone-arm.a4 { transform: translate(-50%, -50%) rotate(270deg); }

.drone-prop {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--color-cyan-400);
    border-radius: 50%;
    animation: propSpin 0.1s linear infinite;
}

.drone-prop.p1 { top: 30%; left: 30%; }
.drone-prop.p2 { top: 30%; right: 30%; }
.drone-prop.p3 { bottom: 30%; left: 30%; }
.drone-prop.p4 { bottom: 30%; right: 30%; }

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

/* Arm */
.arm .arm-base {
    position: absolute;
    width: 60px;
    height: 20px;
    background: rgba(34, 211, 238, 0.2);
    border: 2px solid var(--color-cyan-400);
    border-radius: var(--radius-sm);
    bottom: 30%;
    left: 50%;
    transform: translateX(-50%);
}

.arm-joint {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--color-cyan-400);
    border-radius: 50%;
}

.arm-joint.j1 { top: 45%; left: 50%; transform: translateX(-50%); }
.arm-joint.j2 { top: 25%; left: 55%; }

.arm-segment {
    position: absolute;
    width: 8px;
    background: var(--color-cyan-400);
    border-radius: var(--radius-full);
}

.arm-segment.s1 {
    height: 60px;
    top: 35%;
    left: 52%;
    transform: rotate(20deg);
    transform-origin: bottom center;
}

.arm-segment.s2 {
    height: 50px;
    top: 15%;
    left: 58%;
    transform: rotate(-30deg);
    transform-origin: bottom center;
}

.arm-gripper {
    position: absolute;
    top: 10%;
    left: 62%;
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-cyan-400);
    border-radius: 50%;
    border-bottom-color: transparent;
    animation: gripperPinch 2s ease-in-out infinite;
}

@keyframes gripperPinch {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.7); }
}

/* Rover */
.rover .rover-body {
    position: absolute;
    width: 100px;
    height: 60px;
    background: rgba(34, 211, 238, 0.2);
    border: 2px solid var(--color-cyan-400);
    border-radius: var(--radius-md);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.rover-wheel {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 3px solid var(--color-cyan-400);
    border-radius: 50%;
    animation: wheelRotate 2s linear infinite;
}

.rover-wheel.w1 { top: 35%; left: 30%; }
.rover-wheel.w2 { top: 35%; right: 30%; }
.rover-wheel.w3 { bottom: 35%; left: 30%; }
.rover-wheel.w4 { bottom: 35%; right: 30%; }

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

.rover-camera {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--color-cyan-400);
    border-radius: 50%;
    box-shadow: 0 0 15px var(--color-cyan-400);
}

.rover-antenna {
    position: absolute;
    top: 25%;
    left: 55%;
    width: 3px;
    height: 40px;
    background: var(--color-cyan-400);
    transform-origin: bottom center;
    animation: antennaWiggle 3s ease-in-out infinite;
}

@keyframes antennaWiggle {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

/* Humanoid */
.humanoid .hum-torso {
    position: absolute;
    width: 50px;
    height: 70px;
    background: rgba(34, 211, 238, 0.2);
    border: 2px solid var(--color-cyan-400);
    border-radius: var(--radius-md);
    top: 45%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.humanoid .hum-head {
    position: absolute;
    width: 35px;
    height: 35px;
    background: rgba(34, 211, 238, 0.3);
    border: 2px solid var(--color-cyan-400);
    border-radius: 50%;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
}

.humanoid .hum-arm {
    position: absolute;
    width: 12px;
    height: 60px;
    background: var(--color-cyan-400);
    border-radius: var(--radius-full);
    top: 35%;
    transform-origin: top center;
}

.hum-arm.la { left: 35%; animation: armSwing 2s ease-in-out infinite; }
.hum-arm.ra { right: 35%; animation: armSwing 2s ease-in-out 1s infinite; }

@keyframes armSwing {
    0%, 100% { transform: rotate(10deg); }
    50% { transform: rotate(-10deg); }
}

.humanoid .hum-leg {
    position: absolute;
    width: 14px;
    height: 70px;
    background: var(--color-cyan-400);
    border-radius: var(--radius-full);
    top: 55%;
    transform-origin: top center;
}

.hum-leg.ll { left: 42%; animation: legWalk 1.5s ease-in-out infinite; }
.hum-leg.rl { right: 42%; animation: legWalk 1.5s ease-in-out 0.75s infinite; }

@keyframes legWalk {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

/* Submarine */
.submarine .sub-body {
    position: absolute;
    width: 100px;
    height: 50px;
    background: rgba(34, 211, 238, 0.2);
    border: 2px solid var(--color-cyan-400);
    border-radius: 50% 20% 20% 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.sub-fin {
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
}

.sub-fin.f1 {
    border-width: 0 20px 30px 20px;
    border-color: transparent transparent var(--color-cyan-400) transparent;
    top: 25%;
    left: 35%;
    transform: rotate(-30deg);
}

.sub-fin.f2 {
    border-width: 30px 20px 0 20px;
    border-color: var(--color-cyan-400) transparent transparent transparent;
    bottom: 25%;
    left: 35%;
    transform: rotate(30deg);
}

.sub-propeller {
    position: absolute;
    right: 28%;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 40px;
    border: 2px solid var(--color-cyan-400);
    border-radius: 50%;
    animation: propSpin 0.2s linear infinite;
}

.sub-light {
    position: absolute;
    left: 32%;
    top: 45%;
    width: 15px;
    height: 15px;
    background: var(--color-cyan-400);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--color-cyan-400);
    animation: lightPulse 2s ease-in-out infinite;
}

@keyframes lightPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Project Overlay */
.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-md);
    background: linear-gradient(transparent, rgba(2, 6, 23, 0.9));
}

.project-category {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-cyan-400);
    padding: var(--space-xs) var(--space-md);
    background: rgba(34, 211, 238, 0.15);
    border-radius: var(--radius-full);
}

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

.project-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-cyan-50);
    margin-bottom: var(--space-xs);
}

.project-author {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-cyan-500);
    margin-bottom: var(--space-md);
}

.project-desc {
    font-size: 0.9375rem;
    color: var(--color-cyan-200);
    opacity: 0.85;
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

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

.tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--color-cyan-400);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--space-5xl) 0;
}

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

.contact-intro {
    font-size: 1.125rem;
    color: var(--color-cyan-200);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(34, 211, 238, 0.1);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
}

.contact-method:hover {
    border-color: rgba(34, 211, 238, 0.3);
    background: rgba(34, 211, 238, 0.05);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 211, 238, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-cyan-400);
    flex-shrink: 0;
}

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

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

.method-label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    color: var(--color-cyan-500);
    margin-bottom: 2px;
}

.method-value {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-cyan-100);
}

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

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-cyan-400);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: rgba(34, 211, 238, 0.2);
    border-color: var(--color-cyan-400);
    color: var(--color-cyan-200);
    transform: translateY(-2px);
}

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

/* Contact Form */
.contact-form-container {
    padding: var(--space-2xl);
}

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

.form-group {
    position: relative;
}

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-cyan-400);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-cyan-100);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-cyan-700);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-cyan-400);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

.form-focus-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-cyan);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.form-input:focus ~ .form-focus-line,
.form-select:focus ~ .form-focus-line,
.form-textarea:focus ~ .form-focus-line {
    width: 100%;
}

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

.form-success {
    display: none;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.form-success.active {
    display: block;
    animation: successFadeIn 0.5s ease;
}

@keyframes successFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-xl);
    color: var(--color-emerald);
}

.success-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-cyan-50);
    margin-bottom: var(--space-md);
}

.success-text {
    color: var(--color-cyan-300);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    border-top: 1px solid rgba(34, 211, 238, 0.1);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
    color: var(--color-cyan-50);
    margin-bottom: var(--space-lg);
}

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

.footer-tagline {
    color: var(--color-cyan-300);
    opacity: 0.8;
    line-height: 1.7;
    max-width: 300px;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--color-cyan-50);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-md);
}

.footer-links a {
    color: var(--color-cyan-300);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-cyan-100);
}

.footer-text {
    color: var(--color-cyan-300);
    opacity: 0.8;
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
}

.newsletter-input {
    flex: 1;
    padding: var(--space-md);
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-md);
    color: var(--color-cyan-100);
    font-family: var(--font-body);
    font-size: 0.9375rem;
}

.newsletter-input::placeholder {
    color: var(--color-cyan-700);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-cyan-400);
}

.newsletter-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-cyan);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-bg-deep);
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.newsletter-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.newsletter-btn svg {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(34, 211, 238, 0.1);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-cyan-500);
}

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

.footer-legal a {
    font-size: 0.875rem;
    color: var(--color-cyan-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-mission {
        grid-template-columns: 1fr;
    }
    
    .mission-visual {
        order: -1;
    }
    
    .hologram-container {
        height: 300px;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .lab-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        background: rgba(2, 6, 23, 0.98);
        backdrop-filter: blur(20px);
        transition: right var(--transition-slow);
        z-index: var(--z-nav);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
        align-items: center;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .system-panel.active {
        grid-template-columns: 1fr;
    }
    
    .panel-header {
        flex-direction: column;
        text-align: center;
    }
    
    .system-tabs {
        flex-wrap: wrap;
    }
    
    .lab-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .footer-tagline {
        margin-left: auto;
        margin-right: auto;
    }
    
    .newsletter-form {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
        --space-5xl: 4rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-container {
        padding: 0 var(--space-md);
    }
    
    .nav-container {
        padding: 0 var(--space-md);
    }
}

/* ============================================
   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-visual,
    .scroll-indicator,
    .hologram-container,
    .contact-form-container,
    .footer-newsletter {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .glass-card,
    .glass-panel {
        background: white;
        border: 1px solid #ccc;
    }
}