/* ==========================================================================
   ALPIUM WEB AGENCY - Main Stylesheet
   Optimized for performance and SEO
   ========================================================================== */

/* CSS Custom Properties */
:root {
    --bg-deep: #050810;
    --bg-primary: #0a0f1c;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-cyan: #00d4ff;
    --accent-cyan-dim: rgba(0, 212, 255, 0.1);
    --accent-gold: #fbbf24;
    --accent-purple: #a78bfa;
    --gradient-mesh: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.15), transparent),
                     radial-gradient(ellipse 60% 40% at 100% 50%, rgba(167, 139, 250, 0.08), transparent),
                     radial-gradient(ellipse 50% 30% at 0% 80%, rgba(0, 212, 255, 0.05), transparent);
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Noise texture overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1000;
}

::selection {
    background: var(--accent-cyan);
    color: var(--bg-deep);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-secondary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

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

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

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.4s var(--transition-smooth);
}

.nav.scrolled {
    background: rgba(5, 8, 16, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 3rem;
    border-bottom: 1px solid var(--glass-border);
}

.nav-logo svg,
.nav-logo img {
    height: 32px;
    width: auto;
    transition: transform 0.3s var(--transition-smooth);
}

.nav-logo:hover svg,
.nav-logo:hover img {
    transform: scale(1.05);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    position: relative;
    transition: color 0.3s var(--transition-smooth);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-cyan);
    transition: width 0.3s var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
}

.nav-cta:hover {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
    color: var(--bg-deep);
}

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

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s var(--transition-smooth);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    border: none;
}

.btn-primary {
    background: var(--accent-cyan);
    color: var(--bg-deep);
}

.btn-primary:hover {
    background: #00b8e0;
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

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

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

.btn-outline {
    background: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
}

.btn-outline:hover {
    background: var(--accent-cyan);
    color: var(--bg-deep);
}

/* ==========================================================================
   Section Styles
   ========================================================================== */
section {
    padding: 8rem 2rem;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.section-label::before,
.section-label::after {
    content: '';
    width: 20px;
    height: 1px;
    background: var(--accent-cyan);
    opacity: 0.5;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 6rem 2rem;
    background: var(--gradient-mesh), var(--bg-deep);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-cyan);
    border-radius: 50%;
    opacity: 0;
    animation: particle-fall linear infinite;
}

@keyframes particle-fall {
    0% {
        opacity: 0;
        transform: translateY(-20px) rotate(0deg);
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(360deg);
    }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    z-index: 1;
}

.hero-logo {
    width: 180px;
    height: auto;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 0.2s forwards;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-cyan-dim);
    border: 1px solid rgba(0, 212, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-cyan);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 0.4s forwards;
}

.hero-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 0.6s forwards;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-weight: 400;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 0.8s forwards;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 1s forwards;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeIn 1s var(--transition-smooth) 1.5s forwards;
}

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

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

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

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

/* Page Hero (smaller for inner pages) */
.page-hero {
    min-height: 50vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    background: var(--gradient-mesh), var(--bg-deep);
    text-align: center;
}

.page-hero .hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    animation: fadeInUp 0.8s var(--transition-smooth) forwards;
    opacity: 0;
}

.page-hero .hero-subtitle {
    animation: fadeInUp 0.8s var(--transition-smooth) 0.2s forwards;
}

/* Breadcrumbs */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeIn 0.8s var(--transition-smooth) 0.1s forwards;
}

.breadcrumbs a {
    color: var(--text-secondary);
    transition: color 0.3s;
}

.breadcrumbs a:hover {
    color: var(--accent-cyan);
}

.breadcrumbs span {
    color: var(--text-muted);
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--transition-smooth);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0;
    transition: opacity 0.4s var(--transition-smooth);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.2);
    background: rgba(17, 24, 39, 0.9);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-cyan-dim);
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

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

.card-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.card-tech span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    padding: 0.3rem 0.6rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    color: var(--text-muted);
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
    background: var(--bg-primary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    background: var(--gradient-mesh), var(--bg-deep);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-purple), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.3rem;
    width: 10px;
    height: 10px;
    background: var(--accent-cyan);
    border-radius: 50%;
    transform: translateX(-4px);
}

.timeline-year {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent-cyan);
    margin-bottom: 0.3rem;
}

.timeline-title {
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.timeline-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ==========================================================================
   AI Revolution Section
   ========================================================================== */
.ai-revolution {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-deep) 50%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.ai-revolution::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.ai-content {
    position: relative;
    z-index: 1;
}

.ai-main {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
}

.ai-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ai-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    filter: blur(40px);
    animation: aiGlow 4s ease-in-out infinite;
}

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

.ai-icon-large {
    width: 180px;
    height: 180px;
    position: relative;
    z-index: 1;
}

.ai-icon-large svg {
    width: 100%;
    height: 100%;
    animation: aiRotate 20s linear infinite;
}

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

.ai-text h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 1rem;
    line-height: 1.8;
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.ai-feature {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.75rem;
    text-align: center;
    transition: all 0.4s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.ai-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.4s var(--transition-smooth);
}

.ai-feature:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.05);
}

.ai-feature:hover::before {
    opacity: 1;
}

.ai-feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-cyan-dim), rgba(167, 139, 250, 0.1));
    border-radius: 12px;
    color: var(--accent-cyan);
}

.ai-feature-metric {
    font-size: 2.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.ai-feature-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.ai-feature-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.ai-tools {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.ai-tools-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
}

.ai-tools-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.ai-tool {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    transition: all 0.3s var(--transition-smooth);
    min-width: 120px;
}

.ai-tool:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

.ai-tool-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.ai-tool-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

/* ==========================================================================
   Labs Section
   ========================================================================== */
.labs {
    background: var(--bg-primary);
}

.labs-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.labs-quote {
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.labs-quote-author {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.labs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.lab-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s var(--transition-smooth);
}

.lab-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 60%, rgba(0, 212, 255, 0.05));
    opacity: 0;
    transition: opacity 0.4s var(--transition-smooth);
}

.lab-card:hover {
    transform: translateY(-3px) scale(1.01);
    border-color: rgba(0, 212, 255, 0.3);
}

.lab-card:hover::after {
    opacity: 1;
}

.lab-icon {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.lab-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.lab-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.lab-tag {
    display: inline-block;
    margin-top: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    padding: 0.25rem 0.5rem;
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
    border-radius: 3px;
}

/* ==========================================================================
   Sectors Section
   ========================================================================== */
.sectors {
    background: var(--bg-deep);
    padding: 5rem 2rem;
}

.sectors-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.sector-tag {
    padding: 0.75rem 1.5rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.3s var(--transition-smooth);
}

.sector-tag:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background: var(--accent-cyan-dim);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    background: var(--gradient-mesh), var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-item-text {
    font-size: 0.95rem;
}

.contact-item-label {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 0.2rem;
}

.contact-item-value {
    color: var(--text-primary);
}

.contact-item-value a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item-value a:hover {
    color: var(--accent-cyan);
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem;
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.9rem 1rem;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(0, 212, 255, 0.05);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--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 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.form-group select option {
    background: #1a1f2e;
    color: #f8fafc;
    padding: 0.5rem;
}

/* CAPTCHA Styles */
.captcha-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.captcha-icon {
    font-size: 1.2rem;
}

.captcha-input-wrapper {
    display: flex;
    gap: 0.5rem;
}

.captcha-input-wrapper input {
    flex: 1;
}

.captcha-refresh {
    width: 44px;
    height: 44px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.captcha-refresh:hover {
    background: var(--accent-cyan-dim);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    transform: rotate(180deg);
}

.contact-form .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 1rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--glass-border);
    padding: 3rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-logo svg,
.footer-logo img {
    height: 28px;
    width: auto;
    opacity: 0.7;
}

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

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}

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

/* ==========================================================================
   Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-smooth);
}

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

/* Staggered animations */
.reveal-stagger > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger > *:nth-child(6) { transition-delay: 0.6s; }

/* ==========================================================================
   Preloader
   ========================================================================== */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-logo {
    width: 120px;
    animation: preloaderZoom 1.8s ease-out forwards;
}

@keyframes preloaderZoom {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    30% {
        opacity: 1;
    }
    100% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* ==========================================================================
   Content Blocks
   ========================================================================== */
.content-block {
    margin-bottom: 3rem;
}

.content-block h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.content-block h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.content-block p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.content-block ul {
    list-style: none;
    margin-bottom: 1rem;
}

.content-block ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.content-block ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background: var(--accent-cyan);
    border-radius: 50%;
}

/* Two Column Layout */
.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(167, 139, 250, 0.1));
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 4rem;
    text-align: center;
    margin: 4rem 0;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .about-content,
    .two-columns {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .ai-main {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

@media (max-width: 768px) {
    .nav {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: center;
        text-align: center;
        background: rgba(5, 8, 16, 0.98);
        backdrop-filter: blur(20px);
        padding: 2rem 1.5rem;
        gap: 0.5rem;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        font-size: 1.25rem;
        padding: 0.75rem 1rem;
        border-radius: 8px;
        transition: all 0.3s var(--transition-smooth);
    }

    .nav-links a:hover,
    .nav-links a.active {
        background: var(--accent-cyan-dim);
    }

    .nav-cta {
        display: none;
    }

    .nav-mobile-toggle {
        display: flex;
    }

    .hero {
        padding: 8rem 1.5rem 4rem;
    }

    .hero-logo {
        width: 140px;
    }

    section {
        padding: 5rem 1.5rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .ai-icon-large {
        width: 140px;
        height: 140px;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .cta-section {
        padding: 2.5rem 1.5rem;
    }

    .services-grid,
    .labs-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.gradient-text {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}