/* ============================================
   TimeStack AI — NVIDIA Inception Website
   Professional Dark Theme with NVIDIA Green
   ============================================ */

:root {
    --nvidia-green: #76B900;
    --nvidia-green-light: #8fd400;
    --nvidia-green-dark: #5a8f00;
    --nvidia-green-glow: rgba(118, 185, 0, 0.15);
    --nvidia-green-subtle: rgba(118, 185, 0, 0.08);

    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #16161f;
    --bg-card: #1a1a24;
    --bg-card-hover: #1f1f2a;

    --border-primary: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(118, 185, 0, 0.3);

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-tertiary: #6a6a7a;
    --text-accent: var(--nvidia-green);

    --blue-accent: #3b82f6;
    --blue-glow: rgba(59, 130, 246, 0.15);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 0 0 1px var(--border-primary);
    --shadow-card-hover: 0 8px 32px rgba(0,0,0,0.4), 0 0 0 1px var(--border-hover);
}

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

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.02em;
}

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

.logo-ai {
    color: var(--nvidia-green);
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--nvidia-green);
    color: var(--bg-primary) !important;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
    transition: background 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
    background: var(--nvidia-green-light);
    transform: translateY(-1px);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

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

/* Hero */
.hero {
    position: relative;
    padding: 160px 0 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(118, 185, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(118, 185, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--nvidia-green-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background: var(--nvidia-green-subtle);
    border: 1px solid rgba(118, 185, 0, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--nvidia-green);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--nvidia-green) 0%, var(--nvidia-green-light) 50%, #a0e040 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 48px;
    padding: 24px 0;
    border-top: 1px solid var(--border-primary);
    border-bottom: 1px solid var(--border-primary);
}

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

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-primary);
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--nvidia-green);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--nvidia-green-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(118, 185, 0, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--border-hover);
    background: var(--nvidia-green-subtle);
}

/* Sections */
.section {
    padding: 120px 0;
}

.section-label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--nvidia-green);
    margin-bottom: 16px;
    font-family: var(--font-mono);
}

.section-header {
    max-width: 700px;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Problem Section */
.problem-section {
    background: var(--bg-secondary);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.problem-statement h2 {
    font-size: clamp(28px, 3.5vw, 38px);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.problem-statement p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.problem-points {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.problem-point {
    display: flex;
    gap: 16px;
}

.problem-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--nvidia-green-subtle);
    border-radius: var(--radius-md);
    color: var(--nvidia-green);
}

.problem-point h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.problem-point p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Platform Architecture */
.platform-section {
    background: var(--bg-primary);
}

.platform-architecture {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.arch-layer {
    width: 100%;
}

.arch-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: 16px;
    font-family: var(--font-mono);
}

.arch-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.arch-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.3s;
}

.arch-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
}

.arch-card.small {
    padding: 20px;
}

.arch-card.small h4 {
    font-size: 15px;
    margin-bottom: 6px;
}

.arch-card.small p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.card-icon.green {
    background: var(--nvidia-green-subtle);
    color: var(--nvidia-green);
}

.card-icon.blue {
    background: var(--blue-glow);
    color: var(--blue-accent);
}

.arch-card h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.arch-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.arch-connector {
    display: flex;
    justify-content: center;
    padding: 12px 0;
}

/* Technology Section */
.tech-section {
    background: var(--bg-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 64px;
}

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all 0.3s;
}

.tech-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
}

.tech-card.featured {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(118, 185, 0, 0.04) 100%);
    border-color: rgba(118, 185, 0, 0.15);
}

.tech-card-header {
    margin-bottom: 12px;
}

.nvidia-badge {
    display: inline-block;
    padding: 3px 10px;
    background: var(--nvidia-green-subtle);
    border: 1px solid rgba(118, 185, 0, 0.2);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--nvidia-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
    font-family: var(--font-mono);
}

.tech-card h3 {
    font-size: 18px;
    font-weight: 700;
}

.tech-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.tech-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.tech-specs span {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* Architecture Visual */
.architecture-visual {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
}

.architecture-visual h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 13px;
    font-family: var(--font-mono);
}

.pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pipeline-stage {
    flex-shrink: 0;
}

.stage-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    border: 1px solid;
    min-width: 130px;
}

.stage-box.ingestion {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
}

.stage-box.processing {
    background: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.2);
}

.stage-box.training {
    background: var(--nvidia-green-subtle);
    border-color: rgba(118, 185, 0, 0.2);
}

.stage-box.optimization {
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
}

.stage-box.serving {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
}

.stage-label {
    font-size: 14px;
    font-weight: 700;
    font-family: var(--font-mono);
}

.stage-detail {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.pipeline-arrow {
    flex-shrink: 0;
}

/* Models Section */
.models-section {
    background: var(--bg-primary);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.model-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.3s;
}

.model-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
}

.model-header {
    margin-bottom: 12px;
}

.model-type {
    display: inline-block;
    padding: 2px 8px;
    background: var(--nvidia-green-subtle);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 800;
    color: var(--nvidia-green);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.model-card h3 {
    font-size: 16px;
    font-weight: 700;
}

.model-card > p {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.model-details {
    border-top: 1px solid var(--border-primary);
    padding-top: 12px;
}

.model-details .detail {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 12px;
}

.model-details .detail span:first-child {
    color: var(--text-tertiary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-family: var(--font-mono);
    font-size: 10px;
}

.model-details .detail span:last-child {
    color: var(--text-secondary);
    font-weight: 500;
    text-align: right;
}

/* Applications Section */
.applications-section {
    background: var(--bg-secondary);
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all 0.3s;
}

.app-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
}

.app-card.enterprise {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(118, 185, 0, 0.04) 100%);
    border-color: rgba(118, 185, 0, 0.15);
}

.app-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.app-icon.consumer {
    background: rgba(59, 130, 246, 0.1);
    color: var(--blue-accent);
}

.app-icon.family {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.app-icon.enterprise-icon {
    background: var(--nvidia-green-subtle);
    color: var(--nvidia-green);
}

.app-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.app-card > p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.app-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.app-features li {
    font-size: 13px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.app-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 6px;
    height: 6px;
    background: var(--nvidia-green);
    border-radius: 50%;
}

/* Differentiators */
.diff-section {
    background: var(--bg-primary);
    padding: 80px 0;
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.diff-card {
    padding: 24px 0;
}

.diff-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--nvidia-green);
    opacity: 0.2;
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 12px;
}

.diff-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.diff-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Team Section */
.team-section {
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.team-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    transition: all 0.3s;
}

.team-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-card-hover);
}

.team-avatar {
    margin-bottom: 16px;
}

.avatar-placeholder {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--nvidia-green-subtle), rgba(118, 185, 0, 0.12));
    border: 2px solid rgba(118, 185, 0, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
}

.team-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.team-role {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--nvidia-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.team-card p {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Company Section */
.company-section {
    background: var(--bg-primary);
    padding: 80px 0;
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.company-info h3 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--nvidia-green);
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-primary);
    font-size: 14px;
}

.info-row span:first-child {
    color: var(--text-tertiary);
    font-weight: 500;
}

.info-row span:last-child {
    color: var(--text-primary);
    font-weight: 600;
}

/* Contact Section */
.contact-section {
    background: var(--bg-secondary);
    text-align: center;
}

.contact-content {
    max-width: 640px;
    margin: 0 auto;
}

.contact-content h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.contact-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Footer */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border-primary);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 15px;
}

.footer-text {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .models-grid,
    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-primary);
        flex-direction: column;
        padding: 16px 24px;
        gap: 16px;
    }

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

    .mobile-toggle {
        display: flex;
    }

    .section {
        padding: 80px 0;
    }

    .hero {
        padding: 120px 0 80px;
        min-height: auto;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .stat-divider {
        display: none;
    }

    .hero-actions {
        flex-direction: column;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .arch-cards,
    .tech-grid,
    .models-grid,
    .applications-grid,
    .company-grid {
        grid-template-columns: 1fr;
    }

    .diff-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

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

    .pipeline {
        flex-direction: column;
    }

    .pipeline-arrow {
        transform: rotate(90deg);
    }

    .architecture-visual {
        padding: 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .team-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 30px;
    }
}

/* ============================================
   Sub-page Styles
   ============================================ */

/* Nav active state */
.nav-active {
    color: var(--nvidia-green) !important;
}

/* Page Hero (shorter than home hero) */
.page-hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.page-hero .hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(118, 185, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(118, 185, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 70%);
}

.page-hero-content {
    position: relative;
    max-width: 800px;
}

.page-hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

/* Two column content layout */
.content-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.content-text h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 16px;
}

.content-text p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Specs block */
.specs-block {
    margin-top: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 20px;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-primary);
    font-size: 13px;
}

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

.spec-key {
    color: var(--text-tertiary);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.spec-val {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
}

/* Diagram boxes */
.diagram-box {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.diagram-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: 24px;
    font-family: var(--font-mono);
}

.cluster-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.cluster-node {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.node-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-tertiary);
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.gpu-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.gpu-chip {
    padding: 6px 14px;
    background: var(--nvidia-green-subtle);
    border: 1px solid rgba(118, 185, 0, 0.2);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
}

.node-interconnect {
    font-size: 10px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.cluster-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.cluster-link span {
    font-size: 10px;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

.diagram-caption {
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-tertiary);
    text-align: center;
}

/* Process flow */
.process-flow {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.process-step {
    display: flex;
    gap: 32px;
    padding: 32px 0;
    border-bottom: 1px solid var(--border-primary);
}

.process-step:last-child {
    border-bottom: none;
}

.step-number {
    flex-shrink: 0;
    font-size: 48px;
    font-weight: 900;
    color: var(--nvidia-green);
    opacity: 0.2;
    font-family: var(--font-mono);
    line-height: 1;
    width: 60px;
}

.step-content h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.step-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.step-tags span {
    padding: 3px 10px;
    background: var(--nvidia-green-subtle);
    border: 1px solid rgba(118, 185, 0, 0.15);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
}

/* Optimization grid */
.optimization-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.opt-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px;
}

.opt-card h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 12px;
}

.opt-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.perf-metrics {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-primary);
}

.perf-metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.perf-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
}

.perf-label {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Serving architecture */
.serving-architecture {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 48px;
}

.serving-layer {
    width: 100%;
}

.serving-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.serving-box {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 20px;
}

.serving-box span {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    font-style: italic;
}

.request-box {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(59, 130, 246, 0.05);
}

.response-box {
    border-color: rgba(118, 185, 0, 0.3);
    background: rgba(118, 185, 0, 0.05);
}

.serving-arrow {
    padding: 8px 0;
}

.ensemble-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.ensemble-model {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 16px;
    position: relative;
}

.ensemble-model.highlight {
    grid-column: span 3;
    border-color: rgba(118, 185, 0, 0.3);
    background: rgba(118, 185, 0, 0.04);
}

.em-badge {
    font-size: 10px;
    font-weight: 700;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
    text-transform: uppercase;
    margin-bottom: 6px;
}

.ensemble-model h5 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
}

.ensemble-model p {
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.em-time {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

/* Triton features */
.triton-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.triton-feature {
    padding: 20px 0;
}

.triton-feature h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 6px;
}

.triton-feature p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* RAPIDS grid */
.rapids-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.rapids-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px;
}

.rapids-card h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    margin-top: 12px;
}

.rapids-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.rapids-stat {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-primary);
}

.rapids-speedup {
    font-size: 28px;
    font-weight: 800;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
}

.rapids-stat span:last-child {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* CUDA grid */
.cuda-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cuda-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 32px;
}

.cuda-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.cuda-card > p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Code blocks */
.code-block {
    background: #0d0d14;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.code-header {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
}

.code-header span {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
}

.code-block pre {
    padding: 16px;
    overflow-x: auto;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* NIM grid */
.nim-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.nim-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px;
}

.nim-card h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
}

.nim-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Stack summary */
.stack-summary {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stack-layer {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
}

.stack-layer:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.stack-layer:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.stack-layer-name {
    flex-shrink: 0;
    width: 120px;
    font-size: 13px;
    font-weight: 700;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stack-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.stack-items span {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ============================================
   Models Page Styles
   ============================================ */

/* Model overview grid */
.model-overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.model-overview-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 24px;
}

.mo-category {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.mo-count {
    font-size: 12px;
    color: var(--nvidia-green);
    font-weight: 600;
    font-family: var(--font-mono);
    margin-bottom: 12px;
}

.model-overview-card ul {
    list-style: none;
}

.model-overview-card li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 4px 0 4px 16px;
    position: relative;
    line-height: 1.5;
}

.model-overview-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 5px;
    height: 5px;
    background: var(--nvidia-green);
    border-radius: 50%;
}

/* Model deep dive */
.model-deep-dive {
    max-width: 900px;
}

.mdd-header {
    margin-bottom: 48px;
}

.mdd-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--nvidia-green-subtle);
    border: 1px solid rgba(118, 185, 0, 0.2);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--nvidia-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    font-family: var(--font-mono);
}

.mdd-header h2 {
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.mdd-subtitle {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.mdd-grid {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.mdd-section h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-primary);
}

.mdd-section p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.mdd-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mdd-list li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.mdd-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--nvidia-green);
    border-radius: 50%;
}

/* Capabilities grid */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.capability {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 20px;
}

.capability h5 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
}

.capability p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Pipeline detail */
.pipeline-detail {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pd-step {
    display: flex;
    gap: 16px;
    align-items: start;
}

.pd-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--nvidia-green-subtle);
    border: 1px solid rgba(118, 185, 0, 0.2);
    border-radius: 50%;
    font-size: 13px;
    font-weight: 800;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
}

.pd-step h5 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.pd-step p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Prediction grid */
.prediction-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.prediction-item {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 20px;
}

.pred-horizon {
    font-size: 12px;
    font-weight: 700;
    color: var(--nvidia-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
    font-family: var(--font-mono);
}

.prediction-item ul {
    list-style: none;
}

.prediction-item li {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 3px 0 3px 16px;
    position: relative;
}

.prediction-item li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 4px;
    height: 4px;
    background: var(--nvidia-green);
    border-radius: 50%;
}

/* Signals grid */
.signals-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.signal-group {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 16px;
}

.signal-group h5 {
    font-size: 13px;
    font-weight: 700;
    color: var(--nvidia-green);
    margin-bottom: 6px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.signal-group p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Compact models grid */
.compact-models-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.compact-model {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px;
}

.cm-badge {
    display: inline-block;
    padding: 3px 10px;
    background: var(--nvidia-green-subtle);
    border: 1px solid rgba(118, 185, 0, 0.15);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    color: var(--nvidia-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.compact-model h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.compact-model > p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Methodology grid */
.methodology-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.method-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px;
}

.method-num {
    font-size: 36px;
    font-weight: 900;
    color: var(--nvidia-green);
    opacity: 0.2;
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 12px;
}

.method-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.method-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ============================================
   Research Page Styles
   ============================================ */

.research-areas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.research-area-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.3s;
}

.research-area-card:hover {
    border-color: var(--border-hover);
}

.ra-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--nvidia-green);
    opacity: 0.15;
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 8px;
}

.research-area-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.research-area-card > p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.ra-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ra-topics span {
    padding: 3px 10px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-tertiary);
}

/* Publications */
.publications-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.publication {
    padding: 32px 0;
    border-bottom: 1px solid var(--border-primary);
}

.publication:first-child {
    padding-top: 0;
}

.pub-venue {
    display: inline-block;
    padding: 3px 10px;
    background: var(--nvidia-green-subtle);
    border: 1px solid rgba(118, 185, 0, 0.15);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    color: var(--nvidia-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.publication h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.4;
}

.pub-authors {
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 500;
    margin-bottom: 12px;
}

.pub-abstract {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.pub-tags {
    display: flex;
    gap: 6px;
}

.pub-tags span {
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-tertiary);
}

/* Foundations grid */
.foundations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.foundation-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 24px;
}

.foundation-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.foundation-card p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Problems grid */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 24px;
}

.problem-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.problem-card p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ============================================
   Enterprise Page Styles
   ============================================ */

/* Enterprise stats */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.enterprise-stat {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}

.es-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
    margin-bottom: 6px;
}

.es-label {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Enterprise capabilities */
.enterprise-capabilities {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ecap-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.ecap-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--nvidia-green-subtle);
    border-radius: var(--radius-md);
    color: var(--nvidia-green);
    margin-bottom: 20px;
}

.ecap-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
}

.ecap-card > p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.ecap-detail {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-primary);
}

.ecap-detail h5 {
    font-size: 13px;
    font-weight: 700;
    color: var(--nvidia-green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
    font-family: var(--font-mono);
}

.ecap-detail p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Privacy grid */
.privacy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.privacy-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 24px;
}

.privacy-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.privacy-card p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Integration grid */
.integration-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.integration-category h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nvidia-green);
    margin-bottom: 12px;
    font-family: var(--font-mono);
}

.integration-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.integration-item {
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
}

/* Deployment grid */
.deployment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.deployment-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 32px;
}

.deployment-card.featured {
    border-color: rgba(118, 185, 0, 0.3);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(118, 185, 0, 0.04) 100%);
}

.deployment-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.deployment-card > p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ROI grid */
.roi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.roi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 24px;
}

.roi-metric {
    margin-bottom: 12px;
}

.roi-value {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--nvidia-green);
    font-family: var(--font-mono);
    line-height: 1;
    margin-bottom: 4px;
}

.roi-label {
    font-size: 12px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.roi-card > p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Footer links */
.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-tertiary);
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* ============================================
   Sub-page Responsive
   ============================================ */

@media (max-width: 1024px) {
    .optimization-grid,
    .rapids-grid,
    .model-overview-grid,
    .foundations-grid,
    .problems-grid,
    .privacy-grid,
    .deployment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .page-hero {
        padding: 120px 0 60px;
    }

    .content-two-col,
    .optimization-grid,
    .rapids-grid,
    .nim-grid,
    .model-overview-grid,
    .capabilities-grid,
    .prediction-grid,
    .signals-grid,
    .compact-models-grid,
    .methodology-grid,
    .research-areas-grid,
    .foundations-grid,
    .problems-grid,
    .stat-cards,
    .privacy-grid,
    .integration-grid,
    .deployment-grid,
    .triton-features,
    .roi-grid {
        grid-template-columns: 1fr;
    }

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

    .ensemble-model.highlight {
        grid-column: span 1;
    }

    .process-step {
        flex-direction: column;
        gap: 12px;
    }

    .step-number {
        font-size: 32px;
    }

    .stack-layer {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 12px;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

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

/* Smooth scroll offset for fixed nav */
:target {
    scroll-margin-top: 80px;
}

/* Selection color */
::selection {
    background: rgba(118, 185, 0, 0.3);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}