/* ===================================
   CSS Variables & Design System
   =================================== */
:root {
    /* Dark Theme Colors */
    --color-primary: #F8FAFC;
    --color-accent: #3B82F6;
    --color-accent-hover: #60A5FA;
    --color-accent-soft: rgba(59, 130, 246, 0.15);
    --color-secondary: #14B8A6;
    --color-background: #0B1220;
    --color-surface: #111827;
    --color-surface-elevated: #1E293B;
    --color-gray-50: #1E293B;
    --color-gray-100: #1E293B;
    --color-gray-200: #334155;
    --color-gray-300: #475569;
    --color-gray-600: #94A3B8;
    --color-gray-700: #CBD5E1;
    --color-gray-800: #E2E8F0;
    --color-gray-900: #F1F5F9;

    /* Typography */
    --font-family-body: 'Manrope', 'Segoe UI', sans-serif;
    --font-family-display: 'Space Grotesk', 'Segoe UI', sans-serif;
    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
    --font-size-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
    --font-size-2xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

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

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

body {
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-600);
    background-color: var(--color-background);
    background-image:
        radial-gradient(circle at 15% 20%, rgba(20, 184, 166, 0.06), transparent 40%),
        radial-gradient(circle at 85% 10%, rgba(59, 130, 246, 0.08), transparent 35%);
}

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

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

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

/* ===================================
   Layout Container
   =================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Navigation
   =================================== */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(11, 18, 32, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-base);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-small {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-family: var(--font-family-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.12em;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.logo-text:hover {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    font-size: var(--font-size-sm);
}

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

.nav-actions {
    display: flex;
    align-items: center;
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(71, 85, 105, 0.5);
}

.lang-btn {
    border: none;
    background: transparent;
    color: var(--color-gray-600);
    font-family: var(--font-family-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.lang-btn:hover {
    color: var(--color-primary);
}

.lang-btn.is-active {
    color: var(--color-primary);
    background: rgba(59, 130, 246, 0.2);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid rgba(71, 85, 105, 0.6);
    background: rgba(30, 41, 59, 0.6);
    color: var(--color-primary);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.nav-toggle:hover {
    border-color: rgba(59, 130, 246, 0.5);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
    margin: 0 auto;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) 0;
    background:
        radial-gradient(ellipse at top, rgba(59, 130, 246, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(20, 184, 166, 0.08) 0%, transparent 50%),
        linear-gradient(160deg, #0B1220 0%, #111827 55%, #1E293B 100%);
    overflow: hidden;
}

/* Three.js Neural Network Canvas */
.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.7;
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-logo {
    display: block;
    width: clamp(150px, 20vw, 250px);
    height: auto;
    margin: 0 auto var(--spacing-lg);
    filter: invert(1) brightness(2);
    animation: fadeInScale 0.8s ease-out;
}

.hero-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--color-accent);
    color: white;
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.2);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.cta-button:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(37, 99, 235, 0.25);
}

.cta-button.ghost {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid rgba(148, 163, 184, 0.4);
    box-shadow: none;
}

.cta-button.ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(59, 130, 246, 0.1);
    box-shadow: none;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.metric-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

.metric-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
}

.metric-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ===================================
   Intro Band
   =================================== */
.intro-band {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(120deg, rgba(20, 184, 166, 0.06), rgba(59, 130, 246, 0.04));
}

.intro-band-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
    align-items: center;
}

.intro-copy h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.intro-copy p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    background-color: rgba(59, 130, 246, 0.15);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-700);
}

.intro-cards {
    display: grid;
    gap: var(--spacing-md);
}

.intro-card {
    background: rgba(30, 41, 59, 0.5);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    border: 1px solid rgba(71, 85, 105, 0.4);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.intro-card h3 {
    margin-bottom: var(--spacing-xs);
}

/* ===================================
   Capabilities Section
   =================================== */
.capabilities {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(180deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.capability-card {
    background: linear-gradient(140deg, rgba(59, 130, 246, 0.08), rgba(30, 41, 59, 0.6));
    border: 1px solid rgba(71, 85, 105, 0.4);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.capability-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.4);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

/* ===================================
   Examples Section
   =================================== */
.examples {
    padding: var(--spacing-3xl) 0;
    background:
        linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
        var(--color-surface);
    position: relative;
    overflow: visible;
}


.examples::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to bottom, rgba(17, 24, 39, 0.8), transparent);
    pointer-events: none;
}

.section-title {
    font-size: var(--font-size-xl);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-600);
    font-size: var(--font-size-lg);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

/* Carousel Styles */
.carousel-container {
    position: relative;
    width: 100%;
    overflow: visible;
}

.carousel-viewport {
    overflow: hidden; /* Clip slides - only show one at a time */
    width: 100%;
}

.carousel-track {
    display: flex;
    overflow: visible;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
    flex: 0 0 100%;
    min-width: 100%;
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: rgba(30, 41, 59, 0.8);
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
    backdrop-filter: blur(8px);
    opacity: 0.3;
}

.carousel-container:hover .carousel-arrow,
.carousel-arrow:hover {
    opacity: 1;
}

.carousel-arrow:hover:not(:disabled) {
    background: rgba(59, 130, 246, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.carousel-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-arrow--left {
    left: -60px;
}

.carousel-arrow--right {
    right: -60px;
}


.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: var(--spacing-lg);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border: none;
    border-radius: 50%;
    background: rgba(71, 85, 105, 0.5);
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

.carousel-dot:hover {
    background: rgba(59, 130, 246, 0.6);
}

.carousel-dot.active {
    background: var(--color-accent);
    transform: scale(1.2);
}

.example-showcase {
    padding: var(--spacing-2xl) var(--spacing-md);
    opacity: 1;
    transform: none;
}

.example-showcase:last-of-type {
    border-bottom: none;
}

.showcase-grid {
    display: grid;
    grid-template-columns: minmax(260px, 0.85fr) minmax(380px, 1.3fr);
    gap: var(--spacing-2xl);
    align-items: center;
}

.showcase-grid.reverse {
    grid-template-columns: minmax(380px, 1.3fr) minmax(260px, 0.85fr);
}

.showcase-grid.reverse .showcase-text {
    order: 2;
}

.showcase-grid.reverse .showcase-media {
    order: 1;
}

.showcase-text h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.showcase-text p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.showcase-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: var(--color-accent);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.showcase-list {
    list-style: none;
    display: grid;
    gap: var(--spacing-xs);
    padding: 0;
    margin: 0;
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
}

.showcase-list li {
    display: flex;
    gap: var(--spacing-xs);
    align-items: flex-start;
}

.showcase-list li::before {
    content: '•';
    color: var(--color-accent);
    font-weight: 700;
}

.showcase-media {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.showcase-media .example-3d-container {
    margin-top: 0;
}

.data-visual-fallback {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    align-items: start;
}

.data-visual-fallback .image-box {
    height: 100%;
}

.data-visual-fallback .image-box img {
    height: 100%;
    object-fit: contain;
    background: var(--color-gray-50);
}

@property --split {
    syntax: '<percentage>';
    inherits: true;
    initial-value: 50%;
}

@keyframes splitMove {
    0%, 100% { --split: 20%; }
    50% { --split: 80%; }
}

.split-compare {
    --split: 50%;
    animation: splitMove 4s ease-in-out infinite;
    position: relative;
    height: 520px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
    background: #0B1220;
}

.split-layer {
    position: absolute;
    inset: 0;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: none;
}

.split-layer--segmented {
    clip-path: inset(0 0 calc(100% - var(--split)) 0);
}

.split-layer--original {
    clip-path: inset(var(--split) 0 0 0);
}

.split-layer--code {
    background: linear-gradient(140deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.9));
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: var(--spacing-lg);
}

.code-panel {
    width: 100%;
    max-width: 360px;
    background: rgba(15, 23, 42, 0.9);
    border-radius: var(--border-radius);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: var(--spacing-md);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.4);
}

.code-panel code {
    display: block;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    color: #A7F3D0;
    line-height: 1.5;
    white-space: pre-wrap;
}

.data-panel {
    width: 100%;
    max-width: 420px;
    max-height: 100%;
    background: rgba(15, 23, 42, 0.9);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(59, 130, 246, 0.35);
    padding: var(--spacing-lg);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.45);
    color: #E2E8F0;
    overflow: auto;
    align-self: center;
}

.data-panel__title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: white;
}

.data-panel__section {
    margin-bottom: var(--spacing-md);
}

.data-panel__section:last-child {
    margin-bottom: 0;
}

.data-panel__section-title {
    font-size: var(--font-size-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(148, 163, 184, 0.8);
    margin-bottom: var(--spacing-sm);
}

.data-panel__grid {
    display: grid;
    gap: var(--spacing-sm);
}

.data-panel__grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.data-panel__item {
    background: rgba(30, 41, 59, 0.6);
    border-radius: 12px;
    padding: 0.6rem 0.75rem;
    display: grid;
    gap: 0.2rem;
}

.data-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(148, 163, 184, 0.9);
}

.data-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
}

.data-note {
    font-size: 0.72rem;
    color: rgba(226, 232, 240, 0.75);
}

.split-line {
    position: absolute;
    left: 0;
    right: 0;
    top: var(--split);
    height: 1px;
    background: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

.split-label {
    position: absolute;
    left: var(--spacing-md);
    padding: 0.3rem 0.75rem;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: white;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(6px);
}

.split-label--top {
    top: calc(var(--split) - 2.6rem);
}

.split-label--bottom {
    top: calc(var(--split) + 0.8rem);
}

.scroll-hint {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    text-align: center;
}

.examples-grid {
    display: grid;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.example-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(71, 85, 105, 0.4);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(50px) scale(0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.example-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.example-card:hover::before {
    left: 100%;
}

.example-card.aos-animate {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.example-card:hover {
    box-shadow: 0 30px 60px rgba(37, 99, 235, 0.2);
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(59, 130, 246, 0.3);
}

.example-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.example-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.example-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--color-accent);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--border-radius);
}

.example-description {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.example-images {
    margin-top: var(--spacing-lg);
}

.image-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    align-items: center;
}

.image-box {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--color-gray-50);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.image-box img {
    width: 100%;
    height: auto;
    display: block;
}

.image-label {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    background-color: rgba(0, 0, 0, 0.75);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: calc(var(--border-radius) / 2);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.image-arrow {
    font-size: 2rem;
    color: var(--color-accent);
    font-weight: 300;
}

.data-output {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    padding: var(--spacing-md);
}

.json-preview {
    width: 100%;
}

.json-preview code {
    display: block;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: var(--font-size-sm);
    color: var(--color-gray-800);
    background-color: var(--color-gray-900);
    color: #10B981;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    overflow-x: auto;
    line-height: 1.6;
    white-space: pre;
}

.image-single img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    max-height: 300px;
    object-fit: contain;
    object-position: center;
}

/* ===================================
   3D Visualization Containers
   =================================== */
.example-3d-container {
    position: relative;
    min-height: 520px;
    margin-top: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(20, 184, 166, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.example-canvas {
    width: 100%;
    height: 520px;
    border-radius: var(--border-radius);
    display: block;
    position: relative;
    z-index: 2;
}

/* Particle overlay effect */
.example-3d-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
    pointer-events: none;
    border-radius: var(--border-radius-lg);
    z-index: 1;
}

.example-3d-container--blend::after {
    background: radial-gradient(circle at 30% 40%, rgba(20, 184, 166, 0.18), transparent 60%);
}

.example-3d-container--flow::after {
    background: radial-gradient(circle at 60% 40%, rgba(37, 99, 235, 0.2), transparent 65%);
}

.example-3d-container--scroll::after {
    background: radial-gradient(circle at 50% 50%, rgba(15, 23, 42, 0.18), transparent 70%);
}

.image-stack {
    position: relative;
    display: grid;
    gap: var(--spacing-sm);
}

.image-stack img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

/* Fallback images no longer needed - Three.js runs on all devices */
.fallback-images {
    display: none;
}

/* ===================================
   Section Dividers
   =================================== */
.section-divider {
    height: 100px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(to bottom, transparent, rgba(37, 99, 235, 0.05));
}

/* ===================================
   Process Section
   =================================== */
.process {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.process-step {
    background: rgba(30, 41, 59, 0.5);
    border-radius: var(--border-radius);
    border: 1px solid rgba(71, 85, 105, 0.4);
    padding: var(--spacing-lg);
    position: relative;
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.2);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   Industries Section
   =================================== */
.industries {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(160deg, rgba(20, 184, 166, 0.06), rgba(17, 24, 39, 0.8));
}

.industries-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-2xl);
    align-items: center;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
}

.industry-card {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(71, 85, 105, 0.4);
    font-weight: 600;
    text-align: center;
    color: var(--color-gray-700);
    transition: all var(--transition-base);
}

.industry-card:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.4);
}

/* ===================================
   Results Section
   =================================== */
.results {
    padding: var(--spacing-3xl) 0;
    background: var(--color-background);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.result-card {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    background: #0F172A;
    color: white;
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.2);
}

.result-card h3 {
    color: white;
    margin-bottom: var(--spacing-xs);
}

.result-card p {
    color: rgba(255, 255, 255, 0.7);
}

.result-metric {
    display: inline-block;
    margin-top: var(--spacing-md);
    font-weight: 700;
    color: #38BDF8;
}

/* ===================================
   FAQ Section
   =================================== */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--color-surface);
}

.faq-grid {
    display: grid;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
}

.faq details {
    background: rgba(30, 41, 59, 0.5);
    border-radius: var(--border-radius);
    border: 1px solid rgba(71, 85, 105, 0.4);
    padding: var(--spacing-md);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.faq summary {
    cursor: pointer;
    font-weight: 600;
    list-style: none;
}

.faq summary::-webkit-details-marker {
    display: none;
}

.faq details p {
    margin-top: var(--spacing-sm);
    color: var(--color-gray-600);
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(120deg, rgba(59, 130, 246, 0.1), rgba(20, 184, 166, 0.08));
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.section-divider canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--spacing-3xl) 0;
    background:
        radial-gradient(ellipse at center, rgba(59, 130, 246, 0.08) 0%, transparent 70%),
        linear-gradient(to bottom, var(--color-background) 0%, var(--color-surface) 100%);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0.03), transparent);
    pointer-events: none;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

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

.contact-icon {
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact-item h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.contact-link {
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-accent);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background-color: rgba(30, 41, 59, 0.6);
    color: var(--color-gray-800);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-600);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    background-color: rgba(30, 41, 59, 0.8);
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    padding: var(--spacing-xl) 0;
    background-color: #080C14;
    color: var(--color-gray-600);
    border-top: 1px solid rgba(71, 85, 105, 0.3);
}

.footer-content {
    text-align: center;
}

.footer-logo-text {
    font-family: var(--font-family-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.12em;
    margin-bottom: var(--spacing-md);
    display: block;
}

.footer-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    filter: invert(1);
}

.footer-text {
    font-size: var(--font-size-sm);
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-md);
    }

    .nav-link {
        font-size: var(--font-size-xs);
    }

    .hero {
        min-height: 90vh;
        padding: var(--spacing-2xl) 0;
    }

    .image-comparison {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .image-arrow {
        transform: rotate(90deg);
        text-align: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .cta-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .showcase-grid,
    .showcase-grid.reverse {
        grid-template-columns: 1fr;
    }

    .showcase-grid.reverse .showcase-text,
    .showcase-grid.reverse .showcase-media {
        order: unset;
    }

    .split-compare {
        height: 360px;
    }

    .examples-grid {
        gap: var(--spacing-lg);
    }

    .example-card {
        padding: var(--spacing-md);
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-3xl: 4rem;
        --spacing-2xl: 2.5rem;
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-content {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .nav-logo {
        flex: 1 1 auto;
    }

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

    .nav-links {
        width: 100%;
        display: none;
        flex-direction: column;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
        border-radius: var(--border-radius);
        background: rgba(15, 23, 42, 0.75);
        border: 1px solid rgba(71, 85, 105, 0.5);
        box-shadow: 0 16px 30px rgba(0, 0, 0, 0.25);
    }

    .nav-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .nav-links.is-open {
        display: flex;
    }

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

    .nav-link {
        display: block;
        width: 100%;
        text-align: left;
        padding: 0.4rem 0.25rem;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-3xl) 0 var(--spacing-2xl);
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-button {
        width: 100%;
        text-align: center;
    }

    .section-title,
    .section-subtitle {
        text-align: left;
    }

    .section-subtitle {
        font-size: var(--font-size-base);
        margin-left: 0;
        margin-right: 0;
    }

    .intro-band-content {
        grid-template-columns: 1fr;
    }

    .tag-row {
        justify-content: flex-start;
    }

    .intro-cards {
        gap: var(--spacing-sm);
    }

    .capabilities-grid {
        grid-template-columns: 1fr;
    }

    .examples {
        padding: var(--spacing-2xl) 0;
    }

    .carousel-viewport {
        overflow: visible;
    }

    .carousel-track {
        display: grid;
        gap: var(--spacing-2xl);
        transform: none !important;
        transition: none !important;
    }

    .carousel-slide {
        flex: none;
        min-width: 100%;
    }

    .carousel-slide.clone,
    .carousel-dots {
        display: none;
    }

    .carousel-arrow {
        display: none;
    }

    .carousel-dots {
        margin-top: var(--spacing-md);
    }

    .example-showcase {
        padding: var(--spacing-xl) 0;
    }

    .showcase-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .showcase-text {
        text-align: left;
    }

    .split-compare {
        height: 300px;
    }

    .example-3d-container {
        min-height: 300px;
        padding: var(--spacing-sm);
    }

    .example-canvas {
        height: 300px;
    }

    .code-panel,
    .data-panel {
        max-width: 100%;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .industries-content {
        grid-template-columns: 1fr;
    }

    .industries-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .cta-content {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-info {
        align-items: stretch !important;
        text-align: left;
        gap: var(--spacing-lg) !important;
    }

    .contact-item {
        align-items: flex-start;
    }

    .footer-content {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .hero-scroll-indicator {
        display: none;
    }

    .hero-logo {
        width: 130px;
    }

    .section-title {
        font-size: var(--font-size-lg);
    }

    .example-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .split-compare {
        height: 240px;
    }

    .example-3d-container {
        min-height: 240px;
    }

    .example-canvas {
        height: 240px;
    }

    .carousel-dots {
        gap: 8px;
    }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

.mt-auto {
    margin-top: auto;
}