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

:root {
    /* Primary Colors */
    --primary: #0f172a;
    --primary-light: #1e293b;
    --secondary: #334155;
    --accent: #3b82f6;
    --accent-light: #60a5fa;
    --accent-dark: #1d4ed8;
    
    /* Background Colors */
    --bg-primary: #020617;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --bg-card: #334155;
    --bg-glass: rgba(15, 23, 42, 0.8);
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-accent: #60a5fa;
    
    /* Border Colors */
    --border: #475569;
    --border-light: #64748b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
    --gradient-dark: linear-gradient(180deg, #020617 0%, #0f172a 100%);
    --gradient-card: linear-gradient(145deg, #334155 0%, #1e293b 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.mono {
    font-family: 'JetBrains Mono', 'Fira Code', 'Monaco', monospace;
}

/* ===== UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: var(--space-4) 0;
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-accent);
    letter-spacing: -0.025em;
    line-height: 1;
}

.logo-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: -2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-8);
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-2) var(--space-4);
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-accent);
    background: rgba(59, 130, 246, 0.1);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-dark);
    padding: 0 var(--space-6);
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    z-index: 1;
}

.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(60, 164, 246, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(60, 164, 246, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-drift 30s linear infinite;
    z-index: 0;
}

@keyframes grid-drift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.hero-content {
    z-index: 2;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 50px;
    color: var(--text-accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-6);
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--text-accent);
    margin-bottom: var(--space-6);
    letter-spacing: -0.015em;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-12);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-accent);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    margin-top: var(--space-1);
}

.cta-button {
    display: inline-block;
    padding: var(--space-4) var(--space-8);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    box-shadow: var(--shadow-lg);
    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, 0.2), transparent);
    transition: left 0.5s;
}

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

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-20);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    letter-spacing: -0.025em;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== OVERVIEW SECTION ===== */
.overview-section {
    padding: var(--space-32) 0;
    background: var(--bg-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
    align-items: start;
}

.tech-card {
    background: var(--gradient-card);
    padding: var(--space-8);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.tech-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl);
}

.tech-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-4);
    display: block;
}

.tech-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    letter-spacing: -0.015em;
}

.tech-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.tech-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.tech-specs span {
    padding: var(--space-1) var(--space-3);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    color: var(--text-accent);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== VISUALIZATION SECTION ===== */
.visualization-section {
    padding: var(--space-32) 0;
    background: var(--bg-primary);
}

.visual-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--space-12);
}

.visual-item {
    background: var(--bg-tertiary);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.visual-item:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl);
}

.visual-image-container {
    position: relative;
    aspect-ratio: 3/2;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
}

.visual-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.3s ease;
    background: var(--bg-tertiary);
}

.visual-item:hover .visual-image {
    transform: scale(1.05);
}

.visual-overlay {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
}

.overlay-badge {
    padding: var(--space-2) var(--space-4);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    color: var(--text-accent);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.visual-info {
    padding: var(--space-8);
}

.visual-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.visual-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.visual-metrics {
    display: flex;
    gap: var(--space-8);
}

.metric {
    text-align: center;
}

.metric-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-accent);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
}

.metric-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--space-1);
}

/* ===== SPECIFICATIONS SECTION ===== */
.specs-section {
    padding: var(--space-32) 0;
    background: var(--bg-secondary);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.spec-category {
    background: var(--gradient-card);
    border-radius: 16px;
    padding: var(--space-8);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.spec-category:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.spec-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--text-accent);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.spec-icon {
    font-size: var(--font-size-xl);
}

.spec-table {
    width: 100%;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    color: var(--text-secondary);
    font-weight: 500;
    flex: 1;
}

.spec-value {
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-align: right;
}

/* ===== SYSTEMS SECTION ===== */
.systems-section {
    padding: var(--space-32) 0;
    background: var(--bg-primary);
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-8);
}

.architecture-item {
    background: var(--gradient-card);
    padding: var(--space-8);
    border-radius: 16px;
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.3s ease;
}

.architecture-item:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl);
}

.arch-number {
    position: absolute;
    top: -15px;
    left: var(--space-8);
    background: var(--gradient-primary);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.arch-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    margin-top: var(--space-2);
}

.arch-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.arch-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-4);
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-3);
    background: rgba(59, 130, 246, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.feature-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-1);
}

.feature-value {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-accent);
    font-family: 'JetBrains Mono', monospace;
}

/* ===== PERFORMANCE SECTION ===== */
.performance-section {
    padding: var(--space-32) 0;
    background: var(--bg-secondary);
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
}

.performance-card {
    background: var(--gradient-card);
    padding: var(--space-8);
    border-radius: 16px;
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.performance-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    animation: rotate 20s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.performance-card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.perf-icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-4);
    display: block;
    position: relative;
    z-index: 1;
}

.perf-value {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--text-accent);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
    margin-bottom: var(--space-1);
    position: relative;
    z-index: 1;
}

.perf-unit {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 1;
}

.perf-label {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 1;
}

.perf-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: var(--space-32) 0;
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.contact-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.contact-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
    font-size: var(--font-size-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.contact-label {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.contact-value {
    color: var(--text-accent);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.contact-cta {
    background: var(--gradient-card);
    padding: var(--space-8);
    border-radius: 16px;
    border: 1px solid var(--border);
    text-align: center;
}

.contact-cta h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.contact-cta p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.contact-button {
    display: inline-block;
    padding: var(--space-4) var(--space-6);
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text-accent);
    letter-spacing: -0.025em;
}

.footer-tagline {
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-column h4 {
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: var(--text-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-stats {
        gap: var(--space-8);
    }
    
    .visual-grid {
        grid-template-columns: 1fr;
    }
    
    .visual-item {
        min-width: 0;
    }
    
    .visual-metrics {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-6);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .arch-features {
        grid-template-columns: 1fr;
    }
    
    .performance-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
}