/* ============================================
   Billable Island - Design System
   ============================================ */

:root {
    /* Colors */
    --color-bg: #0a0a0a;
    --color-bg-elevated: #141414;
    --color-bg-subtle: #1a1a1a;
    --color-surface: #222;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-subtle: rgba(255, 255, 255, 0.04);

    --color-text: #fafafa;
    --color-text-secondary: rgba(255, 255, 255, 0.6);
    --color-text-tertiary: rgba(255, 255, 255, 0.4);

    --color-accent: #00d4aa;
    --color-accent-hover: #00eabb;
    --color-accent-subtle: rgba(0, 212, 170, 0.1);

    --gradient-text: linear-gradient(135deg, #00d4aa 0%, #00a8ff 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(0, 212, 170, 0.15) 0%, transparent 70%);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) var(--space-xl);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 24px;
    height: 24px;
    background: var(--gradient-text);
    border-radius: var(--radius-sm);
    position: relative;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: 6px;
    background: var(--color-bg);
    border-radius: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.nav-github {
    padding: var(--space-xs) var(--space-md);
    background: var(--color-surface);
    border-radius: var(--radius-full);
    font-size: 0.85rem !important;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-4xl);
    padding: calc(80px + var(--space-4xl)) var(--space-xl) var(--space-4xl);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 30%;
    width: 600px;
    height: 600px;
    background: var(--gradient-glow);
    pointer-events: none;
    opacity: 0.5;
}

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

.hero-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: var(--space-2xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.15);
}

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

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

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.05rem;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.phone-frame {
    width: 280px;
    height: 580px;
    background: var(--color-bg-elevated);
    border-radius: 44px;
    border: 1px solid var(--color-border);
    padding: 12px;
    position: relative;
    box-shadow:
        0 50px 100px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.dynamic-island {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 126px;
    height: 36px;
    background: #000;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    animation: island-pulse 3s ease-in-out infinite;
}

@keyframes island-pulse {
    0%, 100% { width: 126px; }
    50% { width: 180px; }
}

.island-content {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 14px;
}

.island-indicator {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: indicator-pulse 1.5s ease-in-out infinite;
}

@keyframes indicator-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.island-timer {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    border-radius: 36px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-preview {
    text-align: center;
    padding: var(--space-xl);
}

.preview-header {
    margin-bottom: var(--space-xl);
}

.preview-label {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.preview-rate {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

.preview-timer {
    font-family: var(--font-mono);
    font-size: 2.8rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.preview-earnings {
    font-size: 1.4rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-2xl);
}

.preview-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.control-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-surface);
    position: relative;
}

.control-btn.pause::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 18px;
    background: var(--color-text);
    border-radius: 2px;
    box-shadow: 8px 0 0 var(--color-text);
}

.control-btn.stop::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    background: #ff5555;
    border-radius: 3px;
}

/* ============================================
   Features Section
   ============================================ */

.features {
    padding: var(--space-4xl) var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-4xl);
}

.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

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

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    padding: var(--space-xl);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-border);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-subtle);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   Screenshots Section
   ============================================ */

.screenshots {
    padding: var(--space-4xl) var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
    background: var(--color-bg);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.screenshot-card {
    text-align: center;
}

.screenshot-card h3 {
    font-size: 1.15rem;
    font-weight: 500;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.screenshot-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.screenshot-mockup {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 9/16;
    max-width: 240px;
    margin: 0 auto;
    position: relative;
}

.mockup-header {
    padding: var(--space-sm);
}

.mockup-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--color-text);
    padding: 0 var(--space-xs);
}

.mockup-notch {
    width: 80px;
    height: 24px;
    background: #000;
    border-radius: 12px;
}

.mockup-icons {
    color: var(--color-text-tertiary);
}

.mockup-content {
    padding: var(--space-xl) var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Timer Mockup */
.mockup-label-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-surface);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.tag-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.mockup-timer-display {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xs);
}

.mockup-earnings-display {
    font-size: 1.3rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.mockup-rate-badge {
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-xl);
}

.mockup-controls-row {
    display: flex;
    gap: var(--space-md);
}

.mockup-control-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pause-btn {
    background: var(--color-surface);
    color: var(--color-text);
}

.stop-btn {
    background: rgba(255, 85, 85, 0.2);
    color: #ff5555;
}

/* Reports Mockup */
.reports-content {
    width: 100%;
}

.mockup-nav-title {
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
    text-align: left;
}

.mockup-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 80px;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    padding: 0 var(--space-sm);
}

.chart-bar {
    flex: 1;
    background: var(--color-surface);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: all var(--transition-base);
}

.chart-bar.active {
    background: var(--color-accent);
}

.mockup-stats-row {
    display: flex;
    justify-content: space-between;
    gap: var(--space-sm);
}

.mockup-stat {
    flex: 1;
    text-align: center;
    padding: var(--space-sm);
    background: var(--color-surface);
    border-radius: var(--radius-md);
}

.stat-value {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.stat-label {
    display: block;
    font-size: 0.65rem;
    color: var(--color-text-tertiary);
    margin-top: 2px;
}

/* Integrations Mockup */
.integrations-content {
    width: 100%;
}

.integration-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.integration-item.disabled {
    opacity: 0.6;
}

.integration-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.integration-icon.clio {
    background: linear-gradient(135deg, #00d4aa, #00a8ff);
    color: white;
}

.integration-icon.leap {
    background: #444;
    color: white;
}

.integration-icon.calendar {
    background: rgba(0, 168, 255, 0.2);
    color: #00a8ff;
}

.integration-info {
    flex: 1;
    text-align: left;
}

.integration-name {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
}

.integration-status {
    display: block;
    font-size: 0.65rem;
    color: var(--color-text-tertiary);
}

.integration-status.connected {
    color: var(--color-accent);
}

.integration-check {
    color: var(--color-accent);
}

.integration-arrow {
    color: var(--color-text-tertiary);
}

/* Units Mockup */
.units-content {
    width: 100%;
    text-align: center;
}

.mockup-units-display {
    font-family: var(--font-sans);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
    color: var(--color-accent);
}

.mockup-unit-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.unit-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    transition: all var(--transition-base);
}

.unit-dot.filled {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.mockup-progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-surface);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent) 0%, #00a8ff 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.mockup-progress-label {
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
}

/* Feature Card with Badge */
.feature-card {
    position: relative;
}

.feature-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(180deg, rgba(0, 212, 170, 0.05) 0%, var(--color-bg-elevated) 100%);
}

.feature-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-accent);
    color: var(--color-bg);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

/* ============================================
   Integrations Section
   ============================================ */

.integrations-section {
    padding: var(--space-4xl) var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.integration-card {
    padding: var(--space-xl);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.integration-card:hover {
    border-color: var(--color-border);
    transform: translateY(-4px);
}

.integration-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.clio-logo {
    background: linear-gradient(135deg, #00d4aa 0%, #00a8ff 100%);
}

.clio-logo span {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
}

.leap-logo {
    background: linear-gradient(135deg, #444 0%, #666 100%);
}

.leap-logo span {
    font-size: 1rem;
    font-weight: 600;
    color: white;
}

.calendar-logo {
    background: rgba(0, 168, 255, 0.15);
}

.calendar-logo svg {
    width: 32px;
    height: 32px;
    color: #00a8ff;
}

.export-logo {
    background: rgba(0, 212, 170, 0.15);
}

.export-logo svg {
    width: 32px;
    height: 32px;
    color: var(--color-accent);
}

.integration-card h3 {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.integration-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--space-lg);
}

.integration-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    justify-content: center;
}

.integration-features span {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-surface);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    color: var(--color-text-secondary);
}

/* ============================================
   CTA Section
   ============================================ */

.cta {
    padding: var(--space-4xl) var(--space-xl);
    text-align: center;
    position: relative;
}

.cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: var(--gradient-glow);
    pointer-events: none;
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.cta p {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--space-xl);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    padding: var(--space-2xl) var(--space-xl);
    border-top: 1px solid var(--color-border-subtle);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
}

.footer-links {
    display: flex;
    gap: var(--space-xl);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

.footer-copy {
    width: 100%;
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.85rem;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-subtle);
}

/* ============================================
   Documentation Page Styles
   ============================================ */

.docs-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: var(--space-2xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: calc(80px + var(--space-2xl)) var(--space-xl) var(--space-4xl);
    min-height: 100vh;
}

.docs-sidebar {
    position: sticky;
    top: calc(80px + var(--space-xl));
    height: fit-content;
}

.docs-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.docs-nav-section {
    margin-bottom: var(--space-lg);
}

.docs-nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}

.docs-nav a {
    display: block;
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.docs-nav a:hover,
.docs-nav a.active {
    color: var(--color-text);
    background: var(--color-surface);
}

.docs-content {
    max-width: 720px;
}

.docs-content h1 {
    font-size: 2.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.docs-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-top: var(--space-3xl);
    margin-bottom: var(--space-lg);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border-subtle);
}

.docs-content h3 {
    font-size: 1.15rem;
    font-weight: 500;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.docs-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.docs-content ul, .docs-content ol {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
}

.docs-content li {
    margin-bottom: var(--space-sm);
    line-height: 1.6;
}

.docs-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--color-surface);
    padding: 0.15em 0.4em;
    border-radius: var(--radius-sm);
}

.docs-content pre {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    overflow-x: auto;
    margin-bottom: var(--space-lg);
}

.docs-content pre code {
    background: none;
    padding: 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.docs-callout {
    padding: var(--space-lg);
    background: var(--color-accent-subtle);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: var(--space-lg);
}

.docs-callout p {
    color: var(--color-text);
    margin-bottom: 0;
}

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

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .docs-layout {
        grid-template-columns: 1fr;
    }

    .docs-sidebar {
        position: static;
    }

    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }

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

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding-top: calc(60px + var(--space-2xl));
    }

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

    .btn {
        width: 100%;
        justify-content: center;
    }

    .phone-frame {
        width: 240px;
        height: 500px;
    }

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

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

    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .screenshot-mockup {
        max-width: 200px;
        margin: 0 auto;
    }

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

    .integration-card {
        padding: var(--space-lg);
    }

    .screenshots h2,
    .integrations-section h2 {
        font-size: 1.5rem;
    }
}