/* ============================================
   VERTEX AI AUTONOMOUS MINING ACADEMY
   Main Stylesheet
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Core Colors */
    --color-graphite: #0F0F1A;
    --color-graphite-light: #1A1A2E;
    --color-graphite-mid: #2A2A3E;
    --color-graphite-bright: #3A3A5E;
    
    /* Accent Colors */
    --color-gold: #FFD700;
    --color-gold-dim: #B8860B;
    --color-gold-bright: #FFE55C;
    
    /* Electric Blue */
    --color-electric: #00D4FF;
    --color-electric-dim: #0099CC;
    --color-electric-glow: rgba(0, 212, 255, 0.3);
    
    /* Text Colors */
    --color-text-primary: #E8E6E3;
    --color-text-secondary: #A0A0B0;
    --color-text-muted: #6A6A80;
    
    /* Glassmorphism */
    --glass-bg: rgba(15, 15, 26, 0.6);
    --glass-border: rgba(0, 212, 255, 0.15);
    --glass-glow: rgba(0, 212, 255, 0.1);
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, var(--color-graphite) 0%, var(--color-graphite-light) 50%, var(--color-graphite-mid) 100%);
    --gradient-gold-blue: linear-gradient(135deg, var(--color-gold) 0%, var(--color-electric) 100%);
    --gradient-radial: radial-gradient(ellipse at center, var(--color-electric-glow) 0%, transparent 70%);
    
    /* Typography */
    --font-display: 'Orbitron', sans-serif;
    --font-tech: 'Rajdhani', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-glow: 0 0 30px var(--color-electric-glow);
    --shadow-gold: 0 0 30px rgba(255, 215, 0, 0.2);
}

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

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

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

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

ul {
    list-style: none;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

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

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xxl);
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-tech);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-electric);
    margin-bottom: var(--space-sm);
    position: relative;
}

.section-eyebrow::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--gradient-gold-blue);
    margin: var(--space-xs) auto 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text-primary);
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-tech);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-electric), var(--color-electric-dim));
    color: var(--color-graphite);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--color-electric);
    box-shadow: var(--shadow-glow);
}

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

.btn-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

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

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

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

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

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

.logo-main {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-text-primary);
    line-height: 1;
}

.logo-sub {
    font-family: var(--font-tech);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

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

.nav-link {
    font-family: var(--font-tech);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    padding: var(--space-xs) 0;
    color: var(--color-electric);
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
    transition: clip-path var(--transition-normal;
}

.nav-link:hover::after {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
    transform-origin: center;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: calc(var(--space-xxl) * 2) 0 var(--space-xxl);
}

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

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 30% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    margin-bottom: var(--space-lg);
    font-family: var(--font-tech);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

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

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

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.headline-line {
    display: block;
}

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

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

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

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

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-electric);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-tech);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--space-xs);
}

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

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

.hologram-ring {
    position: absolute;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    animation: ringRotate 20s linear infinite;
}

.ring-1 {
    width: 280px;
    height: 280px;
    animation-duration: 20s;
}

.ring-2 {
    width: 340px;
    height: 340px;
    animation-duration: 30s;
    animation-direction: reverse;
}

.ring-3 {
    width: 400px;
    height: 400px;
    animation-duration: 40s;
}

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

.hologram-vehicle {
    position: relative;
    z-index: 2;
    width: 300px;
    height: 225px;
    animation: vehicleFloat 6s ease-in-out infinite;
}

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

.pulse-dot {
    animation: dotPulse 2s ease-in-out infinite;
}

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

.hologram-scan {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-electric), transparent);
    animation: scanLine 3s ease-in-out infinite;
}

@keyframes scanLine {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(-80px); }
}

.hologram-data {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-md);
    font-family: var(--font-tech);
    font-size: 0.625rem;
    letter-spacing: 0.1em;
}

.data-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    color: var(--color-text-muted);
}

.data-row span:last-child {
    color: var(--color-electric);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-electric), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; height: 40px; }
    50% { opacity: 1; height: 60px; }
}

.scroll-text {
    font-family: var(--font-tech);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

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

.section-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.geological-map {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(0, 212, 255, 0.1) 40px),
        repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(0, 212, 255, 0.1) 40px);
}

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

.about-visual {
    position: relative;
}

.about-card {
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

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

.card-icon {
    width: 48px;
    height: 48px;
    color: var(--color-electric);
}

.card-status {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--color-electric);
}

.card-status.online::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #00FF88;
    border-radius: 50%;
    animation: statusPulse 2s infinite;
}

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

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--glass-border);
}

.metric-label {
    font-family: var(--font-tech);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--color-electric);
}

.progress-bars {
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.progress-item span {
    font-family: var(--font-tech);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.progress-track {
    height: 4px;
    background: var(--color-graphite-mid);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-gold-blue);
    border-radius: 2px;
    width: var(--progress);
    animation: progressGrow 2s ease-out forwards;
}

@keyframes progressGrow {
    from { width: 0; }
    to { width: var(--progress); }
}

.about-image {
    position: relative;
}

.image-frame {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.image-placeholder {
    aspect-ratio: 16/10;
    background: var(--color-graphite-light);
    position: relative;
    overflow: hidden;
}

.placeholder-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.placeholder-scan {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-electric), transparent);
    animation: scanVertical 4s ease-in-out infinite;
}

@keyframes scanVertical {
    0%, 100% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.text-block {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.block-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.block-paragraph {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

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

.feature-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.feature-item:hover {
    border-color: var(--color-electric);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    color: var(--color-electric);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.feature-content h4 {
    font-family: var(--font-tech);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.feature-content p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   PROGRAMS SECTION
   ============================================ */
.programs {
    padding: var(--space-xxl) 0;
    position: relative;
}

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

.program-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-graphite-light);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.program-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-electric);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
}

.card-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.card-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, var(--color-graphite) 100%);
    z-index: 1;
}

.card-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--color-electric) 1px, transparent 1px),
        radial-gradient(circle at 80% 50%, var(--color-gold) 1px, transparent 1px);
    background-size: 40px 40px;
}

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

.card-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px var(--color-electric);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: var(--space-md);
}

.card-icon {
    width: 64px;
    height: 64px;
    color: var(--color-electric);
    margin-bottom: var(--space-md);
}

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

.card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.card-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.card-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.card-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-tech);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.feature-dot {
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.5);
}

.card-meta {
    display: flex;
    gap: var(--space-md);
}

.meta-duration,
.meta-level {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

.meta-duration {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-electric);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.meta-level {
    background: rgba(255, 215, 0, 0.1);
    color: var(--color-gold);
    border: 1px solid rgba(255, 215, 0, 0.2);
}

.card-hover-effect {
    position: absolute;
    inset: 0;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(0, 212, 255, 0.1), transparent 40%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

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

/* ============================================
   SYSTEMS SECTION
   ============================================ */
.systems {
    padding: var(--space-xxl) 0;
    position: relative;
    overflow: hidden;
}

.systems-bg {
    position: absolute;
    inset: 0;
}

.systems-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
}

.systems-visual {
    margin-bottom: var(--space-xxl);
}

.control-center {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-graphite-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.1);
}

.center-screen {
    padding: var(--space-lg);
}

.screen-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-bottom: var(--space-md);
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--glass-border);
}

.screen-dots {
    display: flex;
    gap: 6px;
}

.screen-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.screen-dots span:nth-child(1) { background: #FF5F56; }
.screen-dots span:nth-child(2) { background: #FFBD2E; }
.screen-dots span:nth-child(3) { background: #27C93F; }

.screen-title {
    font-family: var(--font-tech);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

.screen-time {
    margin-left: auto;
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: var(--color-electric);
}

.screen-body {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-md);
}

.screen-map {
    aspect-ratio: 16/10;
    background: var(--color-graphite);
    border-radius: var(--radius-md);
    position: relative;
    overflow: hidden;
}

.map-layer {
    position: absolute;
    inset: 0;
}

.layer-base {
    background: 
        radial-gradient(ellipse at 30% 70%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 30%, rgba(255, 215, 0, 0.03) 0%, transparent 50%);
}

.layer-terrain {
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0, 212, 255, 0.02) 10px, rgba(0, 212, 255, 0.02) 11px);
}

.map-vehicles {
    position: absolute;
    inset: 0;
}

.vehicle-marker {
    position: absolute;
    left: var(--x);
    top: var(--y);
    transform: translate(-50%, -50%);
}

.marker-pulse {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--color-electric);
    border-radius: 50%;
    animation: markerPulse 2s ease-out infinite;
}

@keyframes markerPulse {
    0% { transform: scale(0.5); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.marker-icon {
    position: relative;
    width: 24px;
    height: 24px;
    background: var(--color-electric);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-tech);
    font-size: 0.625rem;
    font-weight: 700;
    color: var(--color-graphite);
}

.map-overlay {
    position: absolute;
    inset: 0;
}

.overlay-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

.screen-panels {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.panel {
    background: var(--color-graphite);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    flex: 1;
}

.panel-header {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.panel-body {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.alert-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs);
    font-size: 0.8125rem;
}

.alert-level {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.alert-level.info { background: var(--color-electric); }
.alert-level.success { background: #00FF88; }
.alert-level.warning { background: var(--color-gold); }

.alert-text {
    color: var(--color-text-secondary);
    flex: 1;
}

.alert-time {
    color: var(--color-text-muted);
    font-family: var(--font-tech);
    font-size: 0.75rem;
}

.metric-gauge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.metric-gauge svg {
    width: 120px;
    height: 72px;
}

.gauge-arc {
    animation: gaugeFill 2s ease-out forwards;
}

@keyframes gaugeFill {
    from { stroke-dashoffset: 126; }
}

.gauge-label {
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

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

.sys-feature {
    text-align: center;
    padding: var(--space-lg);
}

.sys-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-md);
    color: var(--color-electric);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    transition: all var(--transition-normal);
}

.sys-feature:hover .sys-icon {
    border-color: var(--color-electric);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

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

.sys-feature h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.sys-feature p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   MINING LAB SECTION
   ============================================ */
.mining-lab {
    padding: var(--space-xxl) 0;
    position: relative;
}

.lab-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.lab-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 215, 0, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 215, 0, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

.lab-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

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

.lab-project {
    position: relative;
}

.project-frame {
    position: relative;
    background: var(--color-graphite-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.project-frame:hover {
    border-color: var(--color-electric);
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.15);
}

.project-visual {
    aspect-ratio: 4/3;
    background: var(--color-graphite);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-hologram {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.holo-ring {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 50%;
    animation: holoSpin 10s linear infinite;
}

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

.holo-icon {
    width: 48px;
    height: 48px;
    color: var(--color-electric);
    position: relative;
    z-index: 2;
}

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

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

.project-tag {
    display: inline-block;
    font-family: var(--font-tech);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-electric);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.project-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.project-stats {
    display: flex;
    gap: var(--space-md);
    font-family: var(--font-tech);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.project-stats span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.project-stats span::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--color-gold);
    border-radius: 50%;
}

.project-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-electric), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-frame:hover .project-glow {
    opacity: 1;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--space-xxl) 0;
    position: relative;
}

.contact-bg {
    position: absolute;
    inset: 0;
}

.contact-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

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

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

.info-header {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--glass-border);
}

.info-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-tech);
    font-size: 0.875rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    background: #00FF88;
    border-radius: 50%;
    animation: statusPulse 2s infinite;
}

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

.info-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.info-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    color: var(--color-electric);
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm);
}

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

.info-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

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

.info-value {
    font-size: 1rem;
    color: var(--color-text-primary);
    line-height: 1.5;
}

.info-value a:hover {
    color: var(--color-electric);
}

.info-footer {
    padding-top: var(--space-md);
    border-top: 1px solid var(--glass-border);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    color: var(--color-text-muted);
    background: var(--color-graphite-mid);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm);
    transition: all var(--transition-normal);
}

.social-link:hover {
    color: var(--color-electric);
    border-color: var(--color-electric);
    box-shadow: var(--shadow-glow);
}

.social-link svg {
    width: 100%;
    height: 100%;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-graphite-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

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

.form-label {
    display: block;
    font-family: var(--font-tech);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-graphite-bright);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

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

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-electric);
}

.form-focus-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-electric);
    transition: width var(--transition-normal);
}

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

.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='%23A0A0B0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right center;
    padding-right: var(--space-lg);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: var(--space-xxl) 0 var(--space-lg);
    position: relative;
    border-top: 1px solid var(--glass-border);
}

.footer-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.footer-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.02) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: linear-gradient(to bottom, transparent, black 30%);
    -webkit-mask-image: linear-gradient(to bottom, transparent, black 30%);
}

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

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

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    max-width: 300px;
    line-height: 1.7;
}

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

.footer-col h4 {
    font-family: var(--font-tech);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-col a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-electric);
}

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

.copyright {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

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

.footer-legal a {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

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

/* ============================================
   TOAST NOTIFICATION
   ============================================ */
.toast {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-graphite-light);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 9999;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-icon {
    width: 24px;
    height: 24px;
    color: #00FF88;
    flex-shrink: 0;
}

.toast-message {
    font-family: var(--font-tech);
    font-size: 0.9375rem;
    color: var(--color-text-primary);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@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-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .programs-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .lab-grid-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .systems-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --space-xxl: 3rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 15, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-lg);
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition-normal);
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .screen-body {
        grid-template-columns: 1fr;
    }
    
    .lab-grid-container {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .toast {
        left: var(--space-lg);
        right: var(--space-lg);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-headline {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

/* ============================================
   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,
    .systems-visual,
    .lab-bg,
    .contact-bg,
    .footer-bg,
    .btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    section {
        page-break-inside: avoid;
    }
}