/* ============================================
   VERTEX AI DRONE ACADEMY
   Production Stylesheet
   Theme: Midnight Blue / Neon Orange / Cyan
   ============================================ */

/* -------------------------------------------
   1. CSS Custom Properties (Theme)
   ------------------------------------------- */
:root {
    --color-bg-deep: #020617;
    --color-bg-mid: #0a0e27;
    --color-bg-light: #0f172a;
    --color-surface: rgba(15, 23, 42, 0.6);
    
    --color-cyan: #06b6d4;
    --color-cyan-bright: #22d3ee;
    --color-cyan-glow: rgba(6, 182, 212, 0.4);
    
    --color-orange: #f97316;
    --color-orange-bright: #fb923c;
    --color-orange-glow: rgba(249, 115, 22, 0.4);
    
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    --font-primary: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    --glass-border: rgba(6, 182, 212, 0.15);
    --glass-bg: rgba(15, 23, 42, 0.5);
    --glass-blur: 16px;
}

/* -------------------------------------------
   2. Reset & Base
   ------------------------------------------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-deep);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

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

/* -------------------------------------------
   3. Typography & Utilities
   ------------------------------------------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* -------------------------------------------
   4. Navigation
   ------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.site-header.scrolled {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.brand-logo {
    color: var(--color-cyan);
    font-size: 1.5rem;
    text-shadow: 0 0 10px var(--color-cyan-glow);
}

.brand-name {
    color: var(--color-text-primary);
}

.brand-sub {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-orange);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-orange));
    transition: width 0.3s ease;
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger-line {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-cyan);
    transition: var(--transition-smooth);
    box-shadow: 0 0 8px var(--color-cyan-glow);
}

/* -------------------------------------------
   5. Hero Section
   ------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg-mid) 50%, var(--color-bg-light) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    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;
    mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at center, black 30%, transparent 80%);
}

.flight-paths {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 2rem;
}

.hero-hologram {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    animation: float 6s ease-in-out infinite;
}

.hologram-drone {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 15px var(--color-cyan-glow));
}

.hologram-base {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 10px;
    background: rgba(0, 210, 255, 0.2);
    border-radius: 50%;
    filter: blur(8px);
    animation: pulse 3s ease-in-out infinite;
}

.rotor {
    animation: spin 0.5s linear infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-wrap: balance;
    background: linear-gradient(135deg, #fff 0%, var(--color-cyan) 50%, var(--color-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px rgba(6, 182, 212, 0.2));
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-bg-deep);
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-cyan-bright) 100%);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 0 20px var(--color-cyan-glow), 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--color-cyan-glow), 0 8px 30px rgba(0, 0, 0, 0.4);
}

.cta-button:hover::before {
    left: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-cyan), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* -------------------------------------------
   6. About / Systems Section
   ------------------------------------------- */
.about-section {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg-mid) 100%);
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
    opacity: 0.3;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-bottom: 5rem;
}

.about-card {
    padding: 2.5rem 2rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-orange));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 20px rgba(6, 182, 212, 0.1);
}

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

.about-icon {
    width: 48px;
    height: 48px;
    color: var(--color-cyan);
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 8px var(--color-cyan-glow));
}

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

.about-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text-primary);
}

.about-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Stats */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 3rem;
    background: rgba(6, 182, 212, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-cyan);
    text-shadow: 0 0 20px var(--color-cyan-glow);
    font-family: var(--font-mono);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* -------------------------------------------
   7. Programs Section
   ------------------------------------------- */
.programs-section {
    padding: 8rem 0;
    background: var(--color-bg-mid);
    position: relative;
}

.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.program-card {
    position: relative;
    background: var(--color-bg-light);
    border: 1px solid rgba(6, 182, 212, 0.1);
    border-radius: 1rem;
    padding: 2.5rem;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.program-card:hover {
    transform: translateY(-8px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.program-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-orange));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.program-card:hover .program-accent {
    opacity: 1;
}

.program-number {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-orange);
    font-family: var(--font-mono);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.program-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

.program-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.program-features {
    margin-bottom: 2rem;
}

.program-features li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

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

.program-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--color-cyan);
    transition: gap 0.3s ease;
}

.program-link:hover {
    gap: 1rem;
    color: var(--color-cyan-bright);
}

/* -------------------------------------------
   8. Drone Lab Section
   ------------------------------------------- */
.lab-section {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--color-bg-mid) 0%, var(--color-bg-deep) 100%);
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.lab-card {
    background: var(--color-bg-light);
    border: 1px solid rgba(6, 182, 212, 0.1);
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.lab-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: rgba(6, 182, 212, 0.25);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 30px rgba(6, 182, 212, 0.1);
}

.lab-visual {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--color-bg-mid) 0%, #1e293b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.lab-icon {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    opacity: 0.3;
    z-index: 1;
}

.lab-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 2;
}

.lab-status {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-bg-deep);
    background: var(--color-orange);
    border-radius: 2rem;
    box-shadow: 0 0 10px var(--color-orange-glow);
}

.lab-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.lab-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-text-primary);
}

.lab-meta {
    font-size: 0.8rem;
    color: var(--color-orange);
    font-family: var(--font-mono);
    margin-bottom: 1rem;
}

.lab-features {
    margin-top: auto;
}

.lab-features li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.4rem;
}

.lab-features li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-cyan);
}

.lab-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 0l8.66 5v10L10 20 1.34 15V5z' fill='%2306b6d4' fill-opacity='0.03'/%3E%3C/svg%3E");
    background-size: 20px 20px;
}

/* -------------------------------------------
   9. Contact Section
   ------------------------------------------- */
.contact-section {
    padding: 8rem 0;
    background: var(--color-bg-deep);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.contact-glass {
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.contact-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
    opacity: 0.5;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(6, 182, 212, 0.1);
}

.panel-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.live-indicator {
    color: #ef4444;
    font-size: 0.8rem;
    font-weight: 700;
    animation: blink 2s infinite;
    text-shadow: 0 0 10px rgba(239, 68, 68, 0.5);
}

.telemetry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.telemetry-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.t-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.t-value {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--color-cyan);
    text-shadow: 0 0 10px var(--color-cyan-glow);
}

.t-unit {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.signal-visualizer {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 60px;
    margin-bottom: 2rem;
    padding: 0 0.5rem;
}

.viz-bar {
    flex: 1;
    background: linear-gradient(to top, var(--color-cyan), var(--color-cyan-bright));
    border-radius: 2px;
    height: var(--height);
    animation: vizPulse 1s ease-in-out infinite alternate;
    opacity: 0.7;
}

.viz-bar:nth-child(2n) {
    animation-duration: 0.8s;
    background: linear-gradient(to top, var(--color-orange), var(--color-orange-bright));
}

.viz-bar:nth-child(3n) {
    animation-duration: 1.2s;
}

.map-grid {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    opacity: 0.1;
    pointer-events: none;
}

.grid-target {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-cyan);
    transform: translate(-50%, -50%);
    animation: targetPulse 3s infinite;
}

.grid-target::before,
.grid-target::after {
    content: '';
    position: absolute;
    border: 1px solid var(--color-cyan);
}

.grid-target::before {
    inset: 8px;
    animation: targetPulse 3s infinite 0.5s;
}

.grid-target::after {
    inset: 16px;
    animation: targetPulse 3s infinite 1s;
}

/* Contact Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(6, 182, 212, 0.05);
    border: 1px solid rgba(6, 182, 212, 0.15);
    border-radius: 0.5rem;
    color: var(--color-text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-smooth);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1), 0 0 15px rgba(6, 182, 212, 0.1);
}

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

.form-group 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='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.submit-button {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-bg-deep);
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-cyan-bright) 100%);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 0 20px var(--color-cyan-glow);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--color-cyan-glow), 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Contact Info Grid */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.info-card {
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    transition: var(--transition-smooth);
    display: block;
}

.info-card:hover {
    transform: translateY(-3px);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.info-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-cyan);
    margin-bottom: 0.5rem;
}

.info-value {
    font-style: normal;
    font-size: 1rem;
    color: var(--color-text-primary);
    font-weight: 500;
}

/* -------------------------------------------
   10. Footer
   ------------------------------------------- */
.site-footer {
    padding: 3rem 0;
    background: var(--color-bg-deep);
    border-top: 1px solid rgba(6, 182, 212, 0.1);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.footer-copy {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* -------------------------------------------
   11. Animations & Keyframes
   ------------------------------------------- */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.6; transform: translateX(-50%) scale(1.2); }
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

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

@keyframes vizPulse {
    from { transform: scaleY(0.8); opacity: 0.5; }
    to { transform: scaleY(1); opacity: 0.8; }
}

@keyframes targetPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

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

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

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

/* -------------------------------------------
   12. Responsive Design
   ------------------------------------------- */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: rgba(2, 6, 23, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 6rem 2rem 2rem;
        gap: 1.5rem;
        transition: right 0.3s ease;
        border-left: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .hero-hologram {
        width: 150px;
        height: 150px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .lab-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-bar {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .telemetry-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    .about-section,
    .programs-section,
    .lab-section,
    .contact-section {
        padding: 5rem 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }
    
    .navbar {
        padding: 1rem 1.25rem;
    }
    
    .hero-content {
        padding: 1.5rem;
    }
    
    .contact-glass {
        padding: 1.5rem;
    }
    
    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}