/* Reset and Base Styles — Apple-inspired, light-first */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors — light theme default (Apple-style) */
    --color-bg: #fbfbfd;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f5f5f7;
    --color-surface: #ffffff;
    --color-surface-hover: #f5f5f7;
    --color-border: #d2d2d7;
    --color-border-light: #e8e8ed;
    
    --color-text-primary: #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-text-tertiary: #86868b;
    
    --color-primary: #0071e3;
    --color-primary-hover: #0077ed;
    --color-primary-light: #2997ff;
    
    --color-accent: #0071e3;
    --color-accent-light: #2997ff;
    
    --color-success: #34c759;
    --color-warning: #f59e0b;
    --color-error: #ff3b30;
    
    /* Gradients — minimal; one for hero CTA optional */
    --gradient-primary: linear-gradient(135deg, #0071e3 0%, #0077ed 100%);
    --gradient-hero: linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%);
    --color-hero-accent: #6366f1;
    --hero-orb-glow: 0 0 80px rgba(0, 113, 227, 0.15);
    --hero-orb-glow-accent: 0 0 80px rgba(99, 102, 241, 0.12);
    
    /* Typography — system stack, Apple-like */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Menlo', 'Consolas', monospace;
    
    --text-hero: clamp(2.75rem, 6vw, 4.5rem);
    --text-section: clamp(2rem, 4vw, 3.25rem);
    --text-body: 1.0625rem;
    --line-height-body: 1.47;
    --letter-spacing-tight: -0.022em;
    --letter-spacing-tighter: -0.03em;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --section-padding: clamp(3rem, 8vw, 6rem);
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-pill: 980px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.12);
    --shadow-showcase: 0 24px 48px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #000000;
        --color-bg-secondary: #0a0a0a;
        --color-bg-tertiary: #111111;
        --color-surface: #1a1a1a;
        --color-surface-hover: #222222;
        --color-border: #2a2a2a;
        --color-border-light: #333333;
        
        --color-text-primary: #f5f5f7;
        --color-text-secondary: #a1a1a6;
        --color-text-tertiary: #6e6e73;
        
        --color-primary: #2997ff;
        --color-primary-hover: #5cabff;
        --color-primary-light: #5cabff;
        
        --color-accent: #2997ff;
        --color-accent-light: #5cabff;
        
        --gradient-hero: linear-gradient(180deg, #0a0a0a 0%, #000000 100%);
        --color-hero-accent: #818cf8;
        --hero-orb-glow: 0 0 80px rgba(41, 151, 255, 0.2);
        --hero-orb-glow-accent: 0 0 80px rgba(129, 140, 248, 0.15);
        
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
        --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.4);
        --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.5);
        --shadow-showcase: 0 24px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);
    }
}

/* Skip link — visible on focus for keyboard users */
.skip-link {
    position: absolute;
    top: -100px;
    left: var(--spacing-md);
    z-index: 10001;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: #fff;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--spacing-md);
    outline: 2px solid var(--color-primary-hover);
    outline-offset: 2px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-body);
    line-height: var(--line-height-body);
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (min-width: 1068px) {
    .container {
        max-width: 980px;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1280px;
    }
}

/* Navigation — Apple-style: minimal, blur, solid on scroll */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(251, 251, 253, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
    transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.nav.nav-scrolled {
    background: rgba(251, 251, 253, 0.92);
    border-bottom-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
}

@media (min-width: 1280px) {
    .nav-container {
        max-width: 1280px;
    }
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    text-decoration: none;
}

.logo svg {
    color: var(--color-primary);
}

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

.logo:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

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

.nav-links a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    transition: color var(--transition-fast);
}

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

.nav-links a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Marketing homepage: swap CTAs when /api/auth/me succeeds (see script.js initMarketingAuth) */
.marketing-authed-only {
    display: none;
}

body.marketing-session-authed .marketing-guest-only {
    display: none;
}

body.marketing-session-authed .marketing-authed-only.btn-primary,
body.marketing-session-authed .marketing-authed-only.btn-try-web {
    display: inline-flex;
}

body.marketing-session-authed span.marketing-authed-only.marketing-nav-greet {
    display: inline;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary, #6b7280);
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (prefers-color-scheme: dark) {
    body.marketing-session-authed span.marketing-authed-only.marketing-nav-greet {
        color: var(--color-text-secondary, #9ca3af);
    }
}

.nav-actions-mobile {
    display: none;
}

@media (prefers-color-scheme: dark) {
    .nav {
        background: rgba(0, 0, 0, 0.72);
    }
    .nav.nav-scrolled {
        background: rgba(0, 0, 0, 0.92);
        border-bottom-color: rgba(255, 255, 255, 0.08);
        box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
    }
    .nav-links a {
        color: var(--color-text-primary);
    }
    .nav-links a:hover {
        color: var(--color-primary-light);
    }
}

/* Buttons — solid blue, rounded, Apple-like */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-base), transform var(--transition-fast);
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    transform: scale(1.02);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
    border-radius: 10px;
}

.btn-primary.btn-large {
    padding: 14px 28px;
    font-size: 1.0625rem;
    border-radius: 12px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 10px 20px;
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-base), color var(--transition-base), transform var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
    transform: scale(1.02);
}

.btn-secondary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* "Try in browser" CTA — text-link style that pairs with btn-primary without competing */
.btn-try-web {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 12px 24px;
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-fast);
}

.btn-try-web:hover {
    background: rgba(0, 113, 227, 0.06);
    border-color: var(--color-primary);
    transform: scale(1.02);
}

.btn-try-web:active {
    transform: scale(0.98);
}

.btn-try-web:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-try-web.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
    border-radius: 10px;
}

.btn-try-web.btn-large {
    padding: 14px 28px;
    font-size: 1.0625rem;
    border-radius: 12px;
}

.cta .btn-try-web {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.cta .btn-try-web:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
}

.cta .btn-try-web:focus-visible {
    outline-color: #fff;
}

/* Hero Section — clean background, product-shot feel */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(48px + var(--section-padding)) 0 var(--section-padding);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 0;
}

/* Parallax: scroll-linked movement (JS applies transform). will-change only when active. */
.hero.parallax-active .hero-background,
.hero.parallax-active .hero-visual {
    will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
    .hero.parallax-active .hero-background,
    .hero.parallax-active .hero-visual {
        will-change: auto;
    }
}

/* Hero orbs — scroll-linked opacity via --hero-orbs-opacity (JS); glow and accent color */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: calc(0.2 * var(--hero-orbs-opacity, 1));
    animation: float 25s ease-in-out infinite;
    transition: opacity 0.2s ease;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.35) 0%, rgba(0, 113, 227, 0.08) 50%, transparent 70%);
    box-shadow: var(--hero-orb-glow);
    top: -150px;
    left: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.22) 0%, rgba(99, 102, 241, 0.06) 50%, transparent 70%);
    box-shadow: var(--hero-orb-glow-accent);
    bottom: -100px;
    right: -100px;
    animation-delay: 8s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.2) 0%, rgba(0, 113, 227, 0.05) 50%, transparent 70%);
    box-shadow: var(--hero-orb-glow);
    top: 50%;
    right: 15%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(15px, -15px) scale(1.05); }
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: 980px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

@media (min-width: 1280px) {
    .hero-container {
        max-width: 1280px;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    background: rgba(0, 113, 227, 0.08);
    border: 1px solid rgba(0, 113, 227, 0.15);
    border-radius: var(--radius-2xl);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
    width: fit-content;
}

.hero-badge-integrations {
    background: rgba(66, 133, 244, 0.08);
    border-color: rgba(66, 133, 244, 0.2);
    color: var(--color-text-secondary);
}

.hero-badge-apps {
    background: rgba(15, 23, 42, 0.06);
    border-color: rgba(15, 23, 42, 0.12);
    color: var(--color-text-secondary);
}

.hero-badge-hero-primary {
    background: rgba(0, 113, 227, 0.1);
    border-color: rgba(0, 113, 227, 0.22);
    color: var(--color-primary);
}

.hero-badge-workflow {
    background: rgba(0, 113, 227, 0.08);
    border-color: rgba(0, 113, 227, 0.15);
    color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
    .hero-badge-apps {
        background: rgba(248, 250, 252, 0.08);
        border-color: rgba(248, 250, 252, 0.12);
        color: var(--color-text-secondary);
    }
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-hero);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: var(--letter-spacing-tighter);
}

.title-line {
    display: block;
}

.gradient-text {
    color: var(--color-primary);
}

@media (prefers-color-scheme: dark) {
    .gradient-text {
        color: var(--color-primary-light);
    }
}

.title-subhead {
    display: block;
    font-size: 0.6em;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-top: 0.35em;
    letter-spacing: 0.02em;
}

.hero-lead {
    max-width: 540px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hero-description {
    font-size: 1.25rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
    margin: 0;
}

.hero-description-secondary {
    font-size: 1.0625rem;
    line-height: 1.45;
    color: var(--color-text-secondary);
}

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

.install-command-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    max-width: 600px;
}

.install-command {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-primary);
    background: transparent;
    border: none;
    outline: none;
}

.copy-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
}

.copy-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.copy-btn.copied {
    color: var(--color-success);
}

.platform-availability {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.hero-learn-more {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.hero-learn-more:hover {
    color: var(--color-primary-hover);
}

.hero-learn-more:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.copy-feedback {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-success);
    margin-left: var(--spacing-xs);
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.meta-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.meta-divider {
    width: 1px;
    height: 24px;
    background: var(--color-border);
}

/* Hero App Builder mock — compact spacing above the fold */
.hero-app-builder-window .app-builder-window-body {
    min-height: 300px;
}

@media (min-width: 640px) {
    .hero-app-builder-window .app-builder-window-body {
        min-height: 280px;
    }
}

.hero-app-builder-chat {
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
}

@keyframes heroPreviewUpdating {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
}

.app-builder-preview-label.hero-preview-updating {
    animation: heroPreviewUpdating 0.45s ease-in-out 2;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.code-preview {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.code-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.code-dots {
    display: flex;
    gap: 0.5rem;
}

.code-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-text-tertiary);
}

.code-dots span:nth-child(1) {
    background: #ef4444;
}

.code-dots span:nth-child(2) {
    background: #f59e0b;
}

.code-dots span:nth-child(3) {
    background: #10b981;
}

.code-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-left: var(--spacing-sm);
}

.code-content {
    padding: var(--spacing-lg);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
}

.code-line {
    margin-bottom: var(--spacing-sm);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.code-line:nth-child(1) {
    animation-delay: 0.2s;
}

.code-line:nth-child(2) {
    animation-delay: 0.4s;
}

.code-line:nth-child(3) {
    animation-delay: 0.6s;
}

.code-line:nth-child(4) {
    animation-delay: 0.8s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.code-prompt {
    color: var(--color-primary-light);
    margin-right: var(--spacing-xs);
}

.code-text {
    color: var(--color-text-primary);
}

.code-output {
    color: var(--color-success);
}

/* Showcase Styles — native Electron-style window */
.hero {
    --showcase-glow-opacity: 0.25;
}

.showcase-container {
    position: relative;
    box-shadow: 0 0 60px rgba(0, 113, 227, var(--showcase-glow-opacity, 0.25));
    transition: box-shadow 0.2s ease;
}

.showcase-window {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-showcase);
    min-height: 400px;
}

/* Hero full-app: sidebar + main */
.showcase-window-fullapp {
    min-height: 440px;
    display: flex;
    flex-direction: column;
}

.showcase-body {
    display: flex;
    flex: 1;
    min-height: 0;
}

.showcase-sidebar {
    width: 56px;
    min-width: 56px;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-sm) 0;
}

.showcase-sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: var(--spacing-sm) var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.showcase-sidebar-logo svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.showcase-sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 var(--spacing-xs);
}

.showcase-sidebar-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.showcase-sidebar-item .showcase-sidebar-item-text {
    display: none;
}

.showcase-sidebar-item:hover {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
}

.showcase-sidebar-item-active {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary-light);
}

.showcase-sidebar-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.showcase-sidebar-item span.showcase-sidebar-icon svg {
    width: 18px;
    height: 18px;
}

.showcase-sidebar-spacer {
    flex: 1;
    min-height: var(--spacing-md);
}

.showcase-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.showcase-main .showcase-content {
    flex: 1;
}


.showcase-titlebar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    min-height: 40px;
}

.traffic-lights {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.traffic-light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.traffic-light-close {
    background: #ff5f57;
}

.traffic-light-minimize {
    background: #febc2e;
}

.traffic-light-maximize {
    background: #28c840;
}

.showcase-window-title {
    flex: 1;
    text-align: center;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-left: -52px;
}

.showcase-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

.showcase-content {
    padding: var(--spacing-lg);
    min-height: 350px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    font-family: var(--font-family);
}

/* Messages */
.message {
    animation: fadeInUp 0.4s ease-out forwards;
    opacity: 0;
    transition: opacity 0.3s ease-out;
}

.user-message {
    display: flex;
    justify-content: flex-end;
    margin-left: auto;
    max-width: 75%;
}

.ai-message {
    display: flex;
    justify-content: flex-start;
    margin-right: auto;
    max-width: 85%;
}

.message-bubble {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    line-height: 1.6;
    position: relative;
}

.user-bubble {
    background: var(--color-primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.ai-bubble {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    border-bottom-left-radius: 4px;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.ai-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 0.75rem;
}

.ai-content {
    flex: 1;
    min-width: 0;
}

.typing-cursor {
    display: inline-block;
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Action Proposal */
.action-proposal {
    background: rgba(0, 113, 227, 0.06);
    border: 1px solid rgba(0, 113, 227, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.proposal-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.proposal-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.proposal-title {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--color-primary);
}

.actions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.action-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    opacity: 0;
    transform: translateX(-10px);
    animation: slideInLeft 0.4s ease-out forwards;
}

.action-item[data-action="0"] {
    animation-delay: 0.1s;
}

.action-item[data-action="1"] {
    animation-delay: 0.2s;
}

.action-item[data-action="2"] {
    animation-delay: 0.3s;
}

@keyframes slideInLeft {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.action-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.action-content {
    flex: 1;
    min-width: 0;
}

.action-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.action-resource {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.proposal-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.approve-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-success);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
}

.approve-btn:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* Execution Progress */
.execution-progress {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
    transition: opacity 0.4s ease-out;
}

.progress-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.progress-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

#progress-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.progress-info {
    flex: 1;
    min-width: 0;
}

.progress-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.progress-bar-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease-out;
    width: 0%;
}

.progress-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.current-action {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    transition: opacity 0.3s ease-out;
}

.current-action-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.current-action-content {
    flex: 1;
    min-width: 0;
}

.current-action-title {
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.current-action-progress {
    margin-top: 0.5rem;
}

.current-progress-bar {
    height: 4px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.current-progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width 0.2s ease-out;
    width: 0%;
}

/* Completion Message */
.completion-message {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
    transition: opacity 0.4s ease-out;
}

.completion-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-success);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.completion-content {
    flex: 1;
    min-width: 0;
}

.completion-title {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--color-success);
    margin-bottom: 0.25rem;
}

.completion-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .showcase-window-fullapp {
        min-height: 360px;
    }

    .showcase-sidebar {
        width: 48px;
        min-width: 48px;
        padding: var(--spacing-xs) 0;
    }

    .showcase-content {
        min-height: 280px;
        padding: var(--spacing-md);
    }
    
    .user-message {
        max-width: 85%;
    }
    
    .ai-message {
        max-width: 90%;
    }
    
    .message-bubble {
        font-size: 0.8125rem;
        padding: var(--spacing-sm);
    }
    
    .action-item {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .action-title {
        font-size: 0.8125rem;
    }
    
    .action-resource {
        font-size: 0.6875rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .gradient-orb {
        animation: none;
        opacity: 0.06;
    }
    
    .message,
    .action-proposal,
    .execution-progress,
    .completion-message,
    .action-item {
        animation: none;
        opacity: 1;
        transform: none;
    }
    
    .typing-cursor {
        animation: none;
        opacity: 1;
    }
    
    #progress-spinner {
        animation: none;
    }
    
    .progress-fill,
    .current-progress-fill {
        transition: none;
    }
}

/* Section background parallax — layer moves slower than content */
.section-parallax {
    position: relative;
    overflow: hidden;
}

.section-parallax .container {
    position: relative;
    z-index: 1;
}

.section-parallax-bg {
    position: absolute;
    left: 0;
    right: 0;
    top: -10%;
    height: 120%;
    z-index: 0;
    pointer-events: none;
}

.integrations .section-parallax-bg {
    background: var(--color-bg) linear-gradient(180deg, rgba(0, 113, 227, 0.04) 0%, transparent 40%);
}

.features .section-parallax-bg {
    background: var(--color-bg-secondary) linear-gradient(180deg, rgba(99, 102, 241, 0.03) 0%, transparent 45%);
}

.app-builder .app-builder-parallax-bg {
    background: var(--color-bg) linear-gradient(180deg, rgba(0, 113, 227, 0.035) 0%, transparent 50%);
}

@media (prefers-reduced-motion: reduce) {
    .section-parallax-bg {
        transform: none !important;
    }
}

/* App Builder section */
.app-builder {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
    position: relative;
}

.app-builder-header .section-title {
    margin-bottom: var(--spacing-md);
}

.app-builder-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.app-builder-lead {
    max-width: 640px;
}

.app-builder-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3rem);
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
}

@media (min-width: 900px) {
    .app-builder-layout {
        grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
        gap: clamp(2.5rem, 5vw, 4rem);
        align-items: center;
    }
}

.app-builder-window {
    min-height: 0;
}

.app-builder-window-body {
    display: flex;
    flex-direction: column;
    min-height: 380px;
}

@media (min-width: 640px) {
    .app-builder-window-body {
        flex-direction: row;
        align-items: stretch;
        min-height: 340px;
    }
}

.app-builder-chat-col {
    flex: 1;
    min-width: 0;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 640px) {
    .app-builder-chat-col {
        border-bottom: none;
        border-right: 1px solid var(--color-border);
        flex: 1 1 42%;
    }
}

.app-builder-msg.user-message,
.app-builder-msg.ai-message {
    max-width: 100%;
}

.app-builder-preview-col {
    flex: 1 1 58%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-tertiary);
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
}

.app-builder-preview-chrome {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
}

.app-builder-preview-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-success);
    flex-shrink: 0;
}

.app-builder-preview-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
}

.app-builder-preview-surface {
    flex: 1;
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    /* Floor height so percentage pin positions stay spaced when preview stacks under chat */
    min-height: 11.5rem;
}

/* Pinned preview notes: speech-bubble + connector + dot (App Builder mocks) */
.app-builder-preview-pin-cluster {
    position: absolute;
    z-index: 3;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    pointer-events: none;
    max-width: min(11.5rem, 48vw);
    isolation: isolate;
}

.app-builder-preview-pin-cluster--toolbar {
    top: 0.35rem;
    right: 0.3rem;
    align-items: flex-end;
}

.app-builder-preview-pin-cluster--field {
    top: 36%;
    left: 0.35rem;
    align-items: flex-start;
}

.app-builder-preview-pin-cluster--row {
    bottom: 16%;
    left: 0.4rem;
    align-items: flex-start;
}

.app-builder-preview-pin-cluster--aia {
    max-width: min(7rem, 42vw);
    gap: 0.28rem;
}

.app-builder-preview-pin-cluster--aia-1 {
    top: 16%;
    right: 0.3rem;
    align-items: flex-end;
}

.app-builder-preview-pin-cluster--aia-2 {
    bottom: 26%;
    left: 0.3rem;
    align-items: flex-start;
}

.app-builder-preview-note {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.4rem 0.55rem;
    max-width: 100%;
    font-size: 0.6875rem;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: 0.01em;
    color: var(--color-text-primary);
    background: linear-gradient(165deg, var(--color-surface) 0%, var(--color-bg-secondary) 100%);
    border: 1px solid var(--color-border);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.65) inset,
        0 1px 2px rgba(0, 0, 0, 0.06),
        0 6px 16px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(0, 113, 227, 0.07);
    overflow: visible;
}

.app-builder-preview-note-label {
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
}

.app-builder-preview-note-text {
    display: block;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    white-space: normal;
}

.app-builder-preview-note--tail-right {
    border-radius: 10px 10px 4px 10px;
}

.app-builder-preview-note--tail-left {
    border-radius: 10px 10px 10px 4px;
}

/* Speech-bubble tail (border + fill) */
.app-builder-preview-note--tail-right::before {
    content: '';
    position: absolute;
    z-index: 0;
    bottom: -7px;
    right: 11px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 7px solid rgba(0, 113, 227, 0.18);
}

.app-builder-preview-note--tail-right::after {
    content: '';
    position: absolute;
    z-index: 1;
    bottom: -5px;
    right: 12px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-bg-secondary);
}

.app-builder-preview-note--tail-left::before {
    content: '';
    position: absolute;
    z-index: 0;
    bottom: -7px;
    left: 11px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 7px solid rgba(0, 113, 227, 0.18);
}

.app-builder-preview-note--tail-left::after {
    content: '';
    position: absolute;
    z-index: 1;
    bottom: -5px;
    left: 12px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-bg-secondary);
}

.app-builder-preview-note--compact {
    flex-direction: row;
    align-items: center;
    gap: 0;
    font-size: 0.625rem;
    padding: 0.3rem 0.45rem;
    border-radius: 8px 8px 3px 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    -webkit-line-clamp: unset;
    line-clamp: unset;
}

.app-builder-preview-note--compact.app-builder-preview-note--tail-right {
    border-radius: 8px 8px 3px 8px;
}

.app-builder-preview-note--compact.app-builder-preview-note--tail-left {
    border-radius: 8px 8px 8px 3px;
}

.app-builder-preview-note--compact.app-builder-preview-note--tail-right::before {
    bottom: -6px;
    right: 10px;
    left: auto;
    border-left-width: 5px;
    border-right-width: 5px;
    border-top-width: 6px;
}

.app-builder-preview-note--compact.app-builder-preview-note--tail-left::before {
    bottom: -6px;
    left: 10px;
    right: auto;
    border-left-width: 5px;
    border-right-width: 5px;
    border-top-width: 6px;
}

.app-builder-preview-note--compact::after {
    bottom: -4px;
    right: 11px;
    border-left-width: 4px;
    border-right-width: 4px;
    border-top-width: 5px;
}

.app-builder-preview-note--compact.app-builder-preview-note--tail-left::after {
    right: auto;
    left: 11px;
}

@media (prefers-color-scheme: dark) {
    .app-builder-preview-note {
        background: linear-gradient(165deg, var(--color-surface) 0%, var(--color-bg-tertiary) 100%);
        box-shadow:
            0 1px 0 rgba(255, 255, 255, 0.04) inset,
            0 4px 14px rgba(0, 0, 0, 0.35),
            0 0 0 1px rgba(41, 151, 255, 0.12);
        border-color: var(--color-border);
    }

    .app-builder-preview-note--tail-right::before,
    .app-builder-preview-note--tail-left::before {
        border-top-color: rgba(41, 151, 255, 0.28);
    }

    .app-builder-preview-note--tail-right::after,
    .app-builder-preview-note--tail-left::after {
        border-top-color: var(--color-bg-tertiary);
    }
}

.app-builder-preview-pin {
    position: relative;
    flex-shrink: 0;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-surface);
    box-shadow:
        0 0 0 1px rgba(0, 113, 227, 0.35),
        0 2px 6px rgba(0, 113, 227, 0.25);
}

/* Dashed connector from bubble toward pin */
.app-builder-preview-pin::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 1px);
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 0.42rem;
    background: repeating-linear-gradient(
        to bottom,
        var(--color-border) 0,
        var(--color-border) 2px,
        transparent 2px,
        transparent 4px
    );
    opacity: 0.85;
}

.app-builder-preview-pin-cluster--toolbar .app-builder-preview-pin::before,
.app-builder-preview-pin-cluster--aia-1 .app-builder-preview-pin::before {
    left: auto;
    right: 3px;
    transform: none;
}

.app-builder-preview-pin-cluster--field .app-builder-preview-pin::before,
.app-builder-preview-pin-cluster--row .app-builder-preview-pin::before,
.app-builder-preview-pin-cluster--aia-2 .app-builder-preview-pin::before {
    left: 3px;
    transform: none;
}

.app-builder-preview-pin-cluster--toolbar .app-builder-preview-pin,
.app-builder-preview-pin-cluster--aia-1 .app-builder-preview-pin {
    align-self: flex-end;
}

.app-builder-preview-pin-cluster--field .app-builder-preview-pin,
.app-builder-preview-pin-cluster--row .app-builder-preview-pin,
.app-builder-preview-pin-cluster--aia-2 .app-builder-preview-pin {
    align-self: flex-start;
}

@media (prefers-color-scheme: dark) {
    .app-builder-preview-pin {
        box-shadow:
            0 0 0 1px rgba(41, 151, 255, 0.45),
            0 2px 8px rgba(0, 0, 0, 0.4);
    }
}

.app-builder-preview-pin--compact {
    width: 8px;
    height: 8px;
    border-width: 1.5px;
    opacity: 0.92;
}

.app-builder-preview-pin--compact::before {
    height: 0.32rem;
    bottom: calc(100% + 1px);
}

@keyframes preview-pin-ring-pulse {
    0% {
        box-shadow:
            0 0 0 0 rgba(0, 113, 227, 0.4),
            0 0 0 1px rgba(0, 113, 227, 0.35),
            0 2px 6px rgba(0, 113, 227, 0.25);
    }
    100% {
        box-shadow:
            0 0 0 10px rgba(0, 113, 227, 0),
            0 0 0 1px rgba(0, 113, 227, 0.35),
            0 2px 6px rgba(0, 113, 227, 0.25);
    }
}

@media (prefers-color-scheme: dark) {
    @keyframes preview-pin-ring-pulse {
        0% {
            box-shadow:
                0 0 0 0 rgba(41, 151, 255, 0.45),
                0 0 0 1px rgba(41, 151, 255, 0.45),
                0 2px 8px rgba(0, 0, 0, 0.4);
        }
        100% {
            box-shadow:
                0 0 0 10px rgba(41, 151, 255, 0),
                0 0 0 1px rgba(41, 151, 255, 0.45),
                0 2px 8px rgba(0, 0, 0, 0.4);
        }
    }
}

/* Inner timing: note leads, pin follows + one-shot ring pulse (JS reveal only) */
html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster .app-builder-preview-note,
html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster .app-builder-preview-note {
    animation: preview-pin-note-pop 0.42s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes preview-pin-note-pop {
    from {
        opacity: 0;
        transform: translateY(-5px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes preview-pin-note-pop-compact {
    from {
        opacity: 0;
        transform: translateY(-5px) scale(0.96);
    }
    to {
        opacity: 0.92;
        transform: translateY(0) scale(1);
    }
}

html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster--toolbar .app-builder-preview-pin:not(.app-builder-preview-pin--compact),
html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster--aia-1 .app-builder-preview-pin:not(.app-builder-preview-pin--compact) {
    animation: preview-pin-note-pop 0.38s cubic-bezier(0.22, 1, 0.36, 1) both,
        preview-pin-ring-pulse 0.75s ease-out 0.22s 1 forwards;
    animation-delay: 0.07s, 0.22s;
}

html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster--field .app-builder-preview-pin:not(.app-builder-preview-pin--compact),
html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster--aia-2 .app-builder-preview-pin:not(.app-builder-preview-pin--compact) {
    animation: preview-pin-note-pop 0.38s cubic-bezier(0.22, 1, 0.36, 1) both,
        preview-pin-ring-pulse 0.75s ease-out 0.3s 1 forwards;
    animation-delay: 0.07s, 0.3s;
}

html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster--row .app-builder-preview-pin:not(.app-builder-preview-pin--compact) {
    animation: preview-pin-note-pop 0.38s cubic-bezier(0.22, 1, 0.36, 1) both,
        preview-pin-ring-pulse 0.75s ease-out 0.38s 1 forwards;
    animation-delay: 0.07s, 0.38s;
}

html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster--aia-1 .app-builder-preview-pin--compact {
    animation: preview-pin-note-pop-compact 0.38s cubic-bezier(0.22, 1, 0.36, 1) both,
        preview-pin-ring-pulse 0.75s ease-out 0.22s 1 forwards;
    animation-delay: 0.07s, 0.22s;
}

html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster--aia-2 .app-builder-preview-pin--compact {
    animation: preview-pin-note-pop-compact 0.38s cubic-bezier(0.22, 1, 0.36, 1) both,
        preview-pin-ring-pulse 0.75s ease-out 0.3s 1 forwards;
    animation-delay: 0.07s, 0.3s;
}

/* Scroll-triggered pin cluster reveal (html.js-preview-pins from script.js) */
html.js-preview-pins .app-builder-preview-surface:not(.is-pins-revealed) .app-builder-preview-pin-cluster,
html.js-preview-pins .app-in-action-builder-preview-card:not(.is-pins-revealed) .app-builder-preview-pin-cluster {
    opacity: 0;
    transform: scale(0.88) translateY(-6px);
    transition: none;
}

html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster,
html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster {
    opacity: 1;
    transform: scale(1) translateY(0);
    transition:
        opacity 0.38s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster--toolbar,
html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster--aia-1 {
    transition-delay: 0ms;
}

html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster--field,
html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster--aia-2 {
    transition-delay: 0.085s;
}

html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster--row {
    transition-delay: 0.17s;
}

@media (prefers-reduced-motion: reduce) {
    html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster,
    html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster {
        transition: none;
        transition-delay: 0s !important;
    }

    html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster .app-builder-preview-note,
    html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster .app-builder-preview-pin,
    html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster .app-builder-preview-note,
    html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster .app-builder-preview-pin {
        animation: none !important;
        animation-delay: 0s !important;
        opacity: 1;
        transform: none;
    }

    html.js-preview-pins .app-builder-preview-surface.is-pins-revealed .app-builder-preview-pin-cluster .app-builder-preview-pin--compact,
    html.js-preview-pins .app-in-action-builder-preview-card.is-pins-revealed .app-builder-preview-pin-cluster .app-builder-preview-pin--compact {
        opacity: 0.92;
    }
}

.app-builder-preview-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.app-builder-preview-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: var(--letter-spacing-tight);
}

.app-builder-preview-pill {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: #fff;
    border: none;
    cursor: default;
    opacity: 0.95;
}

.app-builder-preview-fields {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.app-builder-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.app-builder-field-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-tertiary);
}

.app-builder-field-input {
    font-size: 0.8125rem;
    padding: 0.5rem 0.65rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

.app-builder-field-mono {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

.app-builder-preview-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: var(--spacing-xs);
    border-top: 1px solid var(--color-border-light);
}

.app-builder-preview-row {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    padding: 0.35rem 0;
}

.app-builder-preview-amount {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    color: var(--color-text-primary);
    font-weight: 600;
}

.app-builder-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.app-builder-steps li {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.app-builder-step-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: rgba(0, 113, 227, 0.1);
    border: 1px solid rgba(0, 113, 227, 0.2);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

@media (prefers-color-scheme: dark) {
    .app-builder-step-num {
        background: rgba(41, 151, 255, 0.12);
        border-color: rgba(41, 151, 255, 0.28);
    }
}

.app-builder-step-title {
    display: block;
    font-size: 1.0625rem;
    color: var(--color-text-primary);
    margin-bottom: 0.35rem;
    letter-spacing: var(--letter-spacing-tight);
}

.app-builder-step-text {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* Integrations / Google Workspace Section */
.integrations {
    background: var(--color-bg);
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.integrations-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.integration-pill {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

.integration-pill:hover {
    border-color: var(--color-border-light);
    background: var(--color-surface-hover);
}

.integrations-coming-soon {
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-light);
}

.integrations-coming-soon-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.integrations-pills-coming-soon {
    margin-bottom: 0;
}

.integration-pill-coming-soon {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-light);
    color: var(--color-text-tertiary);
}

.integration-pill-coming-soon:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

.integrations-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.integrations-icon {
    opacity: 0.9;
}

.integrations-cta-copy {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.integrations-cta-btn {
    flex-shrink: 0;
}

/* Section Styles — full-bleed, generous rhythm */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--text-section);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section — alternating section-alt */
.features {
    background: var(--color-bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 113, 227, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
}

.feature-icon svg {
    color: var(--color-primary);
}

.feature-icon-integrations {
    padding: 0.75rem;
}

.feature-icon-integrations img {
    display: block;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    background: var(--color-bg);
}

/* Sticky scroll story: section has extra height, inner content sticks and steps advance with scroll */
.how-it-works-spacer {
    display: none;
}

.how-it-works-sticky.sticky-story-enabled {
    min-height: 300vh;
}

.how-it-works-sticky.sticky-story-enabled .how-it-works-sticky-inner {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.how-it-works-sticky.sticky-story-enabled .how-it-works-spacer {
    display: block;
    height: 200vh;
    pointer-events: none;
}

.how-it-works-sticky .step {
    transition: transform var(--transition-slow), opacity var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-slow), background var(--transition-slow);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-light);
    background: var(--color-surface);
    text-align: left;
}

.how-it-works-sticky .step:not(.step-active) {
    transform: scale(0.97);
    opacity: 0.7;
}

.how-it-works-sticky .step.step-active {
    transform: scale(1);
    opacity: 1;
    border-color: rgba(0, 113, 227, 0.35);
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.06) 0%, rgba(0, 113, 227, 0.02) 100%);
    box-shadow: 0 0 0 1px rgba(0, 113, 227, 0.12), 0 12px 32px rgba(0, 0, 0, 0.08);
}

.how-it-works-sticky .step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.how-it-works-sticky .step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 48px;
    height: 48px;
    padding: 0 12px;
    border-radius: var(--radius-full);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow), transform var(--transition-slow);
}

.how-it-works-sticky .step.step-active .step-badge {
    background: var(--gradient-primary);
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(0, 113, 227, 0.35);
    transform: scale(1.05);
    animation: step-pulse 2.5s ease-in-out infinite;
}

.how-it-works-sticky .step.step-active .step-badge .step-number,
.how-it-works-sticky .step.step-active .step-badge .step-icon {
    color: #fff;
}

.how-it-works-sticky .step-number {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    line-height: 1;
}

.how-it-works-sticky .step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
}

.how-it-works-sticky .step.step-active .step-title {
    color: var(--color-primary);
}

@keyframes step-pulse {
    0%, 100% { transform: scale(1.05); }
    50% { transform: scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
    .how-it-works-sticky .step.step-active .step-badge {
        animation: none;
    }
}

.how-it-works-sticky.sticky-story-enabled .container {
    padding-top: var(--spacing-lg);
}

.steps-progress {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 240px;
    height: 3px;
    z-index: 2;
}

.steps-progress-track {
    height: 100%;
    background: var(--color-border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.steps-progress-fill {
    height: 100%;
    width: calc(var(--steps-progress, 0) * 100%);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 0.2s ease-out;
}

@media (prefers-reduced-motion: reduce) {
    .how-it-works-sticky.sticky-story-enabled .how-it-works-sticky-inner {
        position: relative;
        height: auto;
    }
    .how-it-works-sticky.sticky-story-enabled {
        min-height: 0;
    }
    .how-it-works-sticky.sticky-story-enabled .how-it-works-spacer {
        display: none;
    }
    .steps-progress-fill {
        transition: none;
    }
}

.steps {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 0;
    align-items: stretch;
    position: relative;
    max-width: 960px;
    margin: 0 auto;
}

.how-it-works-sticky .step {
    min-width: 0;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-primary);
    letter-spacing: var(--letter-spacing-tight);
}

.step-description {
    color: var(--color-text-secondary);
    line-height: 1.65;
    font-size: 0.9375rem;
    margin: 0;
}

.step-connector {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-sm);
    min-width: 24px;
}

.step-connector-line {
    width: 100%;
    height: 2px;
    background: var(--color-border-light);
    border-radius: var(--radius-full);
}

@media (max-width: 900px) {
    .steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    .step-connector {
        display: none;
    }
}

/* App in action section */
.app-in-action {
    background: var(--color-bg-secondary);
}

.app-in-action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

@media (min-width: 1280px) {
    .app-in-action-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.app-in-action-item {
    min-width: 0;
}

.app-in-action-item-builder {
    grid-column: 1 / -1;
    max-width: 920px;
    margin: 0 auto;
}

.app-in-action-item-cli {
    grid-column: 1 / -1;
    max-width: 560px;
    margin: 0 auto;
}

@media (min-width: 1280px) {
    .app-in-action-item-cli {
        grid-column: 1 / -1;
    }

    .app-in-action-item-builder {
        grid-column: 1 / -1;
    }
}

.app-in-action-window {
    min-height: 420px;
    display: flex;
    flex-direction: column;
}

.app-in-action-window-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    font-family: var(--font-family);
}

/* Ensure plan block is visible in static mockups (overrides default opacity/animation) */
.action-proposal-static {
    animation: none !important;
    opacity: 1 !important;
}

.action-proposal-static .action-item {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
}

.proposal-edit-hint {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    margin-left: var(--spacing-sm);
}

.app-in-action-workflows {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
}

.app-in-action-workflows-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.app-in-action-workflows-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.app-in-action-workflows-search {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 10px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

.app-in-action-workflows-search svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.app-in-action-workflows-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.workflow-mock-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.workflow-mock-card:hover {
    border-color: var(--color-border-light);
}

.workflow-mock-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.workflow-mock-body {
    flex: 1;
    min-width: 0;
}

.workflow-mock-name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.workflow-mock-desc {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.workflow-mock-run {
    padding: 6px 12px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: default;
    flex-shrink: 0;
}

.app-in-action-window-builder {
    min-height: 320px;
}

.app-in-action-builder-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 280px;
}

@media (min-width: 700px) {
    .app-in-action-builder-body {
        flex-direction: row;
        align-items: stretch;
        min-height: 260px;
    }
}

.app-in-action-builder-chat {
    flex: 1 1 45%;
    min-width: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

@media (min-width: 700px) {
    .app-in-action-builder-chat {
        border-bottom: none;
        border-right: 1px solid var(--color-border);
    }
}

.app-in-action-builder-chat .user-message,
.app-in-action-builder-chat .ai-message {
    max-width: 100%;
}

.app-in-action-builder-preview {
    flex: 1 1 55%;
    min-width: 0;
    background: var(--color-bg-tertiary);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.app-in-action-builder-preview-head {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.app-in-action-builder-preview-header {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
}

.app-in-action-builder-preview-caption {
    margin: 0;
    font-size: 0.6875rem;
    line-height: 1.35;
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.app-in-action-builder-preview-card {
    position: relative;
    flex: 1;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    min-height: 140px;
}

.app-in-action-builder-field {
    height: 10px;
    border-radius: 4px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-light);
}

.app-in-action-builder-field-short {
    width: 55%;
}

.app-in-action-builder-field-date {
    width: 40%;
}

.app-in-action-builder-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: auto;
    padding-top: var(--spacing-sm);
}

.app-in-action-builder-btn-ghost {
    width: 64px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-bg-secondary);
}

.app-in-action-builder-btn-primary {
    width: 72px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
}

.app-in-action-window-cli {
    min-height: 200px;
}

.app-in-action-cli-content {
    padding: var(--spacing-md);
    background: var(--color-bg);
    flex: 1;
    overflow: hidden;
}

.app-in-action-cli-pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--color-text-primary);
    white-space: pre-wrap;
    word-break: break-all;
}

.app-in-action-cli-pre code {
    font-family: inherit;
}

.cli-prompt {
    color: var(--color-primary-light);
}

.cli-output {
    color: var(--color-success);
}

.cli-cursor {
    animation: blink 1s infinite;
}

@media (max-width: 1024px) {
    .app-in-action-grid {
        grid-template-columns: 1fr;
    }

    .app-in-action-item-cli {
        grid-column: 1;
    }
}

/* Control / approval section */
.control {
    background: var(--color-bg);
}

.control-tagline {
    font-weight: 500;
    color: var(--color-text-primary);
    opacity: 0.95;
}

.control-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.control-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.control-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.control-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    flex-shrink: 0;
}

.control-visual {
    display: flex;
    justify-content: center;
    min-width: 0;
}

.control-showcase-window {
    width: 100%;
    max-width: 520px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.control-showcase-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    font-family: var(--font-family);
}

.control-showcase-content .action-proposal-static .action-item {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
}

@media (max-width: 768px) {
    .control-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .control-visual {
        order: -1;
    }
}

/* Scope section */
.scope {
    background: var(--color-bg-secondary);
}

.scope-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    max-width: 960px;
    margin: 0 auto;
}

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

.scope-lead {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.scope-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.scope-bullets li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.scope-bullets li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.5em;
}

.scope-visual {
    display: flex;
    justify-content: center;
    min-width: 0;
}

.scope-showcase-window {
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
}

.scope-showcase-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    font-family: var(--font-family);
}

.scope-mock-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.scope-mock-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-tertiary);
}

.scope-mock-value {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.scope-mock-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.scope-mock-pill {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border-light);
}

@media (max-width: 768px) {
    .scope-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .scope-visual {
        order: -1;
    }
}

/* Examples Section */
.examples {
    background: var(--color-bg-secondary);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.example-card {
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.example-card:hover {
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.example-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.example-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
}

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

.example-icon-integrations img {
    display: block;
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.example-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.example-code {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.example-code code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-primary);
}

.example-result {
    color: var(--color-success);
    font-size: 0.9375rem;
    font-weight: 500;
}

/* Example card app preview strip */
.example-app-preview {
    margin: var(--spacing-md) 0;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.example-app-titlebar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
}

.example-app-lights {
    display: flex;
    gap: 4px;
}

.example-app-light {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.example-app-light:nth-child(1) { background: #ff5f57; }
.example-app-light:nth-child(2) { background: #febc2e; }
.example-app-light:nth-child(3) { background: #28c840; }

.example-app-title {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-text-tertiary);
    margin-left: 4px;
}

.example-app-strip {
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.example-app-bubble {
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    line-height: 1.4;
    max-width: 100%;
}

.example-app-user {
    align-self: flex-end;
    max-width: 85%;
    background: var(--color-primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.example-app-ai {
    align-self: flex-start;
    max-width: 90%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    border-bottom-left-radius: 4px;
}

/* Developers Section */
.developers {
    background: var(--color-bg);
    padding: var(--spacing-3xl) 0;
}

.developers-content {
    max-width: 900px;
    margin: 0 auto;
}

.developers-card {
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.developers-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.developers-icon svg {
    width: 32px;
    height: 32px;
}

.developers-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.developers-title .coming-soon {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: white;
    background: var(--gradient-primary);
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-md);
    margin-left: 0.5rem;
    vertical-align: middle;
    box-shadow: var(--shadow-sm);
}

.developers-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.developers-examples {
    margin: var(--spacing-lg) 0;
}

.code-block {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.code-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    font-family: var(--font-mono);
}

.code-block pre {
    padding: var(--spacing-md);
    margin: 0;
    overflow-x: auto;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-primary);
    line-height: 1.6;
}

.developers-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.feature-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
}

.developers-note {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.developers-note strong {
    color: var(--color-text-primary);
}

.developers-also {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* CTA Section — solid blue, high contrast */
.cta {
    background: var(--color-primary);
    padding: var(--section-padding) 0;
    text-align: center;
}

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

.cta-title {
    font-family: var(--font-display);
    font-size: var(--text-section);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: var(--letter-spacing-tight);
    margin-bottom: var(--spacing-md);
    color: #fff;
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.cta .btn-primary {
    background: #fff;
    color: var(--color-primary);
}

.cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: scale(1.02);
}

.cta .btn-primary:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

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

.cta-btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    font-size: 1.0625rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-base), border-color var(--transition-base), transform var(--transition-fast);
}

.cta-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #fff;
    transform: scale(1.02);
}

.cta-btn-secondary:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Demo request modal */
.demo-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: var(--spacing-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.demo-modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.demo-modal {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 440px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.96);
    transition: transform var(--transition-base);
}

.demo-modal-overlay.is-open .demo-modal {
    transform: scale(1);
}

.demo-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-lg) 0;
}

.demo-modal-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

.demo-modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1.5rem;
    line-height: 1;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.demo-modal-close:hover {
    background: var(--color-surface-hover);
    color: var(--color-text-primary);
}

.get-carve-modal-body {
    padding: var(--spacing-lg);
}

.get-carve-modal-body p {
    margin: 0 0 var(--spacing-lg);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

.get-carve-modal-body p strong {
    color: var(--color-text-primary);
}

.get-carve-modal-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    row-gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Secondary control on the left, primary CTA(s) grouped on the right */
.get-carve-modal-actions > .btn-secondary:first-child {
    margin-right: auto;
}

.demo-form {
    padding: var(--spacing-lg);
}

.demo-form-field {
    margin-bottom: var(--spacing-md);
}

.demo-form-field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.375rem;
}

.demo-form-field .required {
    color: var(--color-error);
}

.demo-form-field input,
.demo-form-field textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text-primary);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast);
}

.demo-form-field input:focus,
.demo-form-field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.demo-form-field textarea {
    resize: vertical;
    min-height: 80px;
}

.demo-form-error {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-error);
    background: rgba(255, 59, 48, 0.1);
    border-radius: var(--radius-sm);
}

.demo-form-success {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-success);
    background: rgba(52, 199, 89, 0.1);
    border-radius: var(--radius-sm);
}

.demo-form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Footer — Apple-style: dense columns, small links */
.footer {
    background: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border);
    padding: var(--section-padding) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

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

.footer-tagline {
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
}

.footer-links {
    display: flex;
    justify-content: flex-end;
    gap: clamp(2rem, 4vw, 3rem);
}

.footer-heading {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

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

.footer-column a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.75rem;
    transition: color var(--transition-fast);
}

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

.footer-column a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.75rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .step-connector {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text-primary);
}

.nav-toggle-bar {
    width: 18px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform var(--transition-fast);
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .nav-container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .nav-actions {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-actions-mobile {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
        margin-top: var(--spacing-xs);
        border-top: 1px solid var(--color-border);
    }

    .nav-actions-mobile .get-carve-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        width: 100%;
        box-sizing: border-box;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-sm);
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        display: none;
    }

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

    .nav-links a {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .hero {
        padding: calc(48px + var(--spacing-lg)) 0 var(--spacing-2xl);
    }
    
    .features-grid,
    .examples-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        justify-content: center;
    }

    .footer-links .footer-column:first-child {
        text-align: center;
    }
}

/* Smooth Scroll */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}