* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #f5f7fb;
    --bg-secondary: #ffffff;
    --bg-dark: #1a1a2e;
    --accent-primary: #6366f1;
    --accent-secondary: #818cf8;
    --accent-tertiary: #4f46e5;
    --text-primary: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --success: #10b981;
    --gradient: linear-gradient(135deg, #6366f1 0%, #818cf8 50%, #a5b4fc 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    padding: 16px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.nav-cta {
    background: var(--accent-primary);
    color: white;
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s, transform 0.2s;
}

.nav-cta:hover {
    background: var(--accent-tertiary);
    transform: translateY(-1px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 24px 60px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.hero-content {
    text-align: center;
    max-width: 700px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.btn-primary {
    display: inline-block;
    background: var(--accent-primary);
    color: white;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--accent-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.1rem;
}

.hero-visual {
    display: none;
}

.flow-diagram {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 60px;
    justify-content: center;
}

.flow-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 2px solid var(--border-color);
    transition: transform 0.3s, border-color 0.3s;
}

.flow-node:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
}

.node-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    border-radius: 12px;
    color: white;
}

.node-icon svg {
    width: 24px;
    height: 24px;
}

.flow-node span {
    font-weight: 600;
    color: var(--text-primary);
}

.flow-arrow {
    width: 40px;
    height: 2px;
    background: var(--accent-secondary);
    position: relative;
}

.flow-arrow::after {
    content: '';
    position: absolute;
    right: 0;
    top: -4px;
    border: 5px solid transparent;
    border-left-color: var(--accent-secondary);
}

section {
    padding: 100px 24px;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.conversational {
    background: var(--bg-secondary);
    padding: 80px 24px;
}

.conv-container {
    max-width: 1100px;
    margin: 0 auto;
}

.conv-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 16px;
}

.conv-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.conv-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.conv-left {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.conv-example {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--border-color);
}

.conv-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.label-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: white;
}

.label-icon svg {
    width: 18px;
    height: 18px;
}

.past-icon {
    background: linear-gradient(135deg, #6366f1, #818cf8);
}

.future-icon {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.conv-bubble {
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.conv-bubble:last-child {
    margin-bottom: 0;
}

.conv-bubble.user {
    background: var(--accent-primary);
    color: white;
    margin-left: 24px;
    border-bottom-right-radius: 4px;
}

.conv-bubble.assistant {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    margin-right: 24px;
    border-bottom-left-radius: 4px;
}

.conv-right {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
}

.conv-right h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-align: center;
}

.intent-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 28px;
}

.intent-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-secondary);
    padding: 12px 20px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
}

.flow-step span {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.flow-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    color: white;
}

.flow-icon svg {
    width: 20px;
    height: 20px;
}

.query-icon {
    background: linear-gradient(135deg, #6366f1, #818cf8);
}

.ai-icon {
    background: linear-gradient(135deg, #10a37f, #34d399);
}

.flow-connector-v {
    width: 2px;
    height: 20px;
    background: var(--accent-secondary);
    position: relative;
}

.flow-connector-v::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: -4px;
    border: 5px solid transparent;
    border-top-color: var(--accent-secondary);
}

.flow-branch-split {
    width: 100%;
    height: 24px;
    position: relative;
    display: flex;
    justify-content: center;
}

.branch-center {
    position: absolute;
    top: 0;
    left: 25%;
    right: 25%;
    height: 100%;
}

.branch-center::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 10px;
    background: var(--accent-secondary);
    transform: translateX(-50%);
}

.branch-center::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-secondary);
}

.flow-categories {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 12px;
    width: 100%;
}

.category-group {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 14px;
    border: 1px solid var(--border-color);
    position: relative;
}

.category-group::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    width: 2px;
    height: 12px;
    background: var(--accent-secondary);
    transform: translateX(-50%);
}

.category-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    text-align: center;
}

.past-group .category-label {
    color: #6366f1;
}

.future-group .category-label {
    color: #10b981;
}

.category-target {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.category-target span {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

.future-targets {
    display: flex;
    justify-content: space-around;
    gap: 8px;
}

.target-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: white;
}

.target-icon svg {
    width: 14px;
    height: 14px;
}

.historical-icon {
    background: linear-gradient(135deg, #6366f1, #818cf8);
}

.prediction-icon {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.clustering-icon {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.anomaly-icon {
    background: linear-gradient(135deg, #ef4444, #f87171);
}

@media (max-width: 900px) {
    .conv-split {
        grid-template-columns: 1fr;
    }
}

.playground {
    background: var(--bg-secondary);
    padding: 80px 24px;
}

.playground-container {
    max-width: 800px;
    margin: 0 auto;
}

.playground-input {
    margin-bottom: 24px;
}

.sample-queries {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
}

.sample-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.sample-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.sample-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.data-paste-section {
    margin-bottom: 16px;
}

.data-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.live-mode-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #e2e8f0;
    transition: 0.3s;
    border-radius: 24px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

input:checked + .toggle-slider {
    background-color: var(--accent-primary);
}

input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

input:checked ~ .toggle-label {
    color: var(--accent-primary);
}

.live-status {
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.live-status.connected {
    background: #dcfce7;
    color: #15803d;
}

.live-status.disconnected {
    background: #fee2e2;
    color: #dc2626;
}

.live-status.checking {
    background: #fef3c7;
    color: #d97706;
}

.toggle-data-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px dashed var(--border-color);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.toggle-data-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

.toggle-data-btn.active {
    border-color: var(--accent-primary);
    border-style: solid;
    color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
}

.data-input-area {
    margin-top: 12px;
}

.data-input-area textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 0.85rem;
    font-family: 'Monaco', 'Consolas', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    resize: vertical;
    min-height: 80px;
}

.data-input-area textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.data-hint-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-top: 6px;
}

.data-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    flex: 1;
}

.char-counter {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.char-counter.warning {
    color: #d97706;
}

.char-counter.limit {
    color: #dc2626;
}

.query-input-wrapper {
    display: flex;
    gap: 12px;
}

.demo-input {
    flex: 1;
    padding: 16px 20px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.2s;
}

.demo-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.demo-btn {
    width: 56px;
    height: 56px;
    background: var(--accent-primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
}

.demo-btn:hover {
    background: var(--accent-tertiary);
    transform: scale(1.05);
}

.demo-btn svg {
    width: 24px;
    height: 24px;
    color: white;
}

.playground-result {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border-color);
    min-height: 200px;
}

.result-placeholder {
    text-align: center;
    color: var(--text-muted);
}

.placeholder-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.result-placeholder p {
    font-size: 1rem;
    margin-bottom: 8px;
}

.sandbox-note {
    font-size: 0.8rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.demo-loading {
    text-align: center;
    padding: 40px;
}

.demo-loading .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.demo-response {
    text-align: left;
}

.intent-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.intent-badge.historical {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

.intent-badge.prediction {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.intent-badge.clustering {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.intent-badge.anomaly {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.demo-query-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 3px solid var(--accent-primary);
}

.demo-answer {
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.7;
}

.demo-answer h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.demo-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 0.9rem;
}

.demo-table th,
.demo-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.demo-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-primary);
}

.demo-table td {
    color: var(--text-secondary);
}

.governance {
    background: var(--bg-primary);
    padding: 80px 24px;
}

.governance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.gov-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.gov-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.gov-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    color: white;
}

.gov-icon svg {
    width: 28px;
    height: 28px;
}

.privacy-icon { background: linear-gradient(135deg, #6366f1, #818cf8); }
.access-icon { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.encrypt-icon { background: linear-gradient(135deg, #06b6d4, #22d3ee); }
.compliance-icon { background: linear-gradient(135deg, #10b981, #34d399); }
.scale-icon { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.share-icon { background: linear-gradient(135deg, #ec4899, #f472b6); }

.gov-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.gov-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 900px) {
    .governance-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .governance-grid {
        grid-template-columns: 1fr;
    }
}

.architecture {
    background: var(--bg-secondary);
}

.arch-diagram {
    max-width: 1000px;
    margin: 0 auto;
}

.arch-layer {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
}

.arch-layer h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent-secondary);
}

.arch-components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.arch-component {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.arch-component:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.component-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: white;
}

.component-icon svg {
    width: 24px;
    height: 24px;
}

.component-icon.snowflake { background: #29b5e8; }
.component-icon.csv { background: #10b981; }
.component-icon.semantic { background: #f59e0b; }
.component-icon.openai { background: #10a37f; }
.component-icon.cortex { background: #29b5e8; }
.component-icon.ml { background: var(--accent-primary); }
.component-icon.assets { background: #8b5cf6; }
.component-icon.reports { background: #ec4899; }
.component-icon.dispatch { background: #ef4444; }

.arch-component span {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.arch-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 16px 0;
}

.connector-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-secondary), transparent);
}

.connector-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    background: var(--bg-secondary);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--accent-secondary);
}

.process-steps {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 32px;
    margin-bottom: 48px;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--gradient);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.step-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.step-features li {
    background: var(--bg-secondary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent-primary);
    border: 1px solid var(--accent-secondary);
}

.ml-models {
    background: var(--bg-secondary);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.model-card {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 28px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.model-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.model-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    color: white;
}

.model-icon svg {
    width: 28px;
    height: 28px;
}

.model-icon.linear { background: linear-gradient(135deg, #6366f1, #818cf8); }
.model-icon.logistic { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.model-icon.forest { background: linear-gradient(135deg, #10b981, #34d399); }
.model-icon.cluster { background: linear-gradient(135deg, #f59e0b, #fbbf24); }
.model-icon.anomaly { background: linear-gradient(135deg, #ef4444, #f87171); }
.model-icon.shap { background: linear-gradient(135deg, #06b6d4, #22d3ee); }

.model-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.model-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.cta-section {
    text-align: center;
    background: var(--gradient);
    color: white;
    padding: 80px 24px;
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-section .btn-primary {
    background: white;
    color: var(--accent-primary);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-primary:hover {
    background: var(--bg-primary);
    transform: translateY(-2px);
}

.footer {
    text-align: center;
    padding: 32px 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .process-step {
        flex-direction: column;
        gap: 16px;
    }
    
    .step-number {
        width: 48px;
        height: 48px;
        min-width: 48px;
        font-size: 1.25rem;
    }
    
    .flow-diagram {
        flex-direction: column;
    }
    
    .flow-arrow {
        width: 2px;
        height: 30px;
        transform: rotate(90deg);
    }
}