/* ==========================================================================
   Flip Unit - Landing Page Styles
   Dark theme with orange accents, accessibility-first design
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-background: #0a0a0a;
    --color-background-elevated: #141414;
    --color-background-card: #1a1a1a;
    --color-background-hover: #222222;

    --color-accent: #FF9500;
    --color-accent-hover: #FFa726;
    --color-accent-subtle: rgba(255, 149, 0, 0.15);
    --color-accent-glow: rgba(255, 149, 0, 0.3);

    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-tertiary: #666666;

    --color-border: #2a2a2a;
    --color-border-subtle: #1f1f1f;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* 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;

    /* Layout */
    --container-max: 1200px;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   Skip Link (Accessibility)
   -------------------------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-background);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-subtle);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

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

.nav-list a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    background: var(--color-accent);
    color: var(--color-background) !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--border-radius-full);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--color-accent-hover);
    color: var(--color-background) !important;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    width: 44px;
    height: 44px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: transform var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    bottom: -7px;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-text h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: flex-start;
}

.hero-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.hero-image {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.hero-phone-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.hero-nav-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.hero-nav-btn:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.hero-nav-btn:hover svg {
    color: var(--color-background);
}

.hero-nav-btn svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.phone-mockup {
    position: relative;
    max-width: 300px;
    filter: drop-shadow(var(--shadow-lg));
}

.phone-mockup::before {
    content: '';
    position: absolute;
    inset: -20px;
    background: var(--color-accent-glow);
    border-radius: 50px;
    filter: blur(60px);
    z-index: -1;
    opacity: 0.4;
}

.hero-screenshot {
    border-radius: 36px;
    border: 3px solid var(--color-border);
}

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

.hero-indicator {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.hero-current {
    color: var(--color-accent);
    font-weight: 600;
}

.hero-theme-toggle {
    display: flex;
    position: relative;
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-full);
    padding: 4px;
}

.hero-theme-btn {
    position: relative;
    z-index: 1;
    padding: var(--space-xs) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
    min-width: 70px;
}

.hero-theme-btn.active {
    color: var(--color-background);
}

.hero-theme-indicator {
    position: absolute;
    top: 4px;
    left: 4px;
    width: calc(50% - 4px);
    height: calc(100% - 8px);
    background: var(--color-accent);
    border-radius: var(--border-radius-full);
    transition: transform var(--transition-base);
}

.hero-theme-toggle .hero-theme-btn[data-theme="light"].active ~ .hero-theme-indicator {
    transform: translateX(100%);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: var(--color-background);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.apple-icon {
    width: 20px;
    height: 20px;
}

.btn-large .apple-icon {
    width: 24px;
    height: 24px;
}

/* --------------------------------------------------------------------------
   Trust Bar
   -------------------------------------------------------------------------- */
.trust-bar {
    padding: var(--space-2xl) 0;
    background: var(--color-background-elevated);
    border-top: 1px solid var(--color-border-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
}

.trust-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2xl);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.trust-icon {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.footnote-marker {
    color: var(--color-text-tertiary);
    font-size: 0.7em;
    margin-left: 1px;
}

.trust-footnote {
    margin-top: var(--space-lg);
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-align: center;
}

.trust-footnote sup {
    margin-right: 2px;
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
    padding: var(--space-4xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

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

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

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

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Categories Section
   -------------------------------------------------------------------------- */
.categories {
    padding: var(--space-4xl) 0;
    background: var(--color-background-elevated);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

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

.category-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.category-icon-wrapper {
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.category-icon {
    width: 26px;
    height: 26px;
    color: var(--color-background);
}

.category-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xs);
}

.category-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Accessibility Spotlight
   -------------------------------------------------------------------------- */
.accessibility-spotlight {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--color-accent-subtle) 0%, transparent 50%);
}

.spotlight-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    align-items: center;
}

.spotlight-text h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
}

.spotlight-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.accessibility-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.accessibility-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-base);
}

.check-icon {
    color: var(--color-accent);
    font-weight: 700;
}

.spotlight-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.accessibility-icon-large {
    width: 120px;
    height: 120px;
    color: #007AFF;
    opacity: 0.4;
}

/* --------------------------------------------------------------------------
   Screenshots Section
   -------------------------------------------------------------------------- */
.screenshots {
    padding: var(--space-4xl) 0;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.screenshot-grid-item {
    text-align: center;
}

.screenshot-enlarge-btn {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: block;
    width: 100%;
    transition: transform var(--transition-base);
}

.screenshot-enlarge-btn:hover {
    transform: scale(1.03);
}

.screenshot-enlarge-btn:hover .screenshot-img {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.screenshot-grid-item .phone-frame {
    width: 100%;
    max-width: 220px;
    margin: 0 auto var(--space-md);
}

.screenshot-img {
    border-radius: 28px;
    border: 2px solid var(--color-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    width: 100%;
    height: auto;
}

.screenshot-grid-item figcaption {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Lightbox Modal
   -------------------------------------------------------------------------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox[hidden] {
    display: none;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 44px;
    height: 44px;
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.lightbox-close:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.lightbox-close:hover svg {
    color: var(--color-background);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.lightbox-image-wrapper {
    max-height: calc(90vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: calc(90vh - 100px);
    border-radius: 36px;
    border: 3px solid var(--color-border);
    box-shadow: var(--shadow-lg);
}

.lightbox-caption {
    margin-top: var(--space-md);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Download CTA Section
   -------------------------------------------------------------------------- */
.download-cta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--color-background-elevated) 0%, var(--color-background) 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
}

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

.cta-note {
    margin-top: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* App Store Badge */
.app-store-badge {
    display: inline-block;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.app-store-badge svg {
    width: 180px;
    height: 60px;
}

.app-store-badge:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.app-store-badge:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
    border-radius: 10px;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    border-top: 1px solid var(--color-border-subtle);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--space-xs);
}

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

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

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

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

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.heart {
    color: #FF3B30;
}

.copyright {
    margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Legal & Support Pages
   -------------------------------------------------------------------------- */
.legal-page,
.support-page {
    padding: calc(72px + var(--space-3xl)) 0 var(--space-4xl);
}

.legal-header,
.support-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.legal-header h1,
.support-header h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
}

.legal-updated {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.support-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Support Navigation */
.support-nav {
    margin-bottom: var(--space-3xl);
}

.support-nav ul {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.support-nav a {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.support-nav a:hover {
    background: var(--color-accent-subtle);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Legal Content */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-summary {
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.privacy-summary h2 {
    font-size: var(--font-size-xl);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.privacy-summary p {
    margin-bottom: var(--space-sm);
    line-height: 1.7;
}

.privacy-summary p:last-child {
    margin-bottom: 0;
}

.legal-section {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--color-border-subtle);
}

.legal-section:last-of-type {
    border-bottom: none;
}

.legal-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-lg);
    color: var(--color-text-primary);
}

.legal-section p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.legal-section ul {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.legal-section li {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-sm);
    position: relative;
    padding-left: var(--space-md);
}

.legal-section li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.legal-section a {
    color: var(--color-accent);
}

.legal-section a:hover {
    text-decoration: underline;
}

.contact-list {
    list-style: none;
    margin-left: 0;
}

.contact-list li {
    padding-left: 0;
    margin-bottom: var(--space-md);
}

.contact-list li::before {
    display: none;
}

.privacy-trust {
    background: var(--color-background-card);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    text-align: center;
    margin-top: var(--space-2xl);
}

.privacy-trust p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin: 0;
}

/* Support Content */
.support-content {
    max-width: 900px;
    margin: 0 auto;
}

.support-section {
    margin-bottom: var(--space-4xl);
}

.support-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

.section-intro {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    font-size: var(--font-size-lg);
}

/* Guide Cards */
.guide-card {
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.guide-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
    color: var(--color-accent);
}

.steps-list {
    counter-reset: step;
    list-style: none;
    margin: 0;
    padding: 0;
}

.steps-list li {
    counter-increment: step;
    position: relative;
    padding-left: var(--space-3xl);
    margin-bottom: var(--space-lg);
}

.steps-list li:last-child {
    margin-bottom: 0;
}

.steps-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    background: var(--color-accent);
    color: var(--color-background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.steps-list strong {
    display: block;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.steps-list p {
    color: var(--color-text-secondary);
    margin: 0;
    font-size: var(--font-size-sm);
}

.categories-help-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.category-help-item {
    padding: var(--space-md);
    background: var(--color-background-elevated);
    border-radius: var(--border-radius);
}

.category-help-item strong {
    display: block;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.category-help-item p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.tips-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tips-list li {
    padding: var(--space-md);
    background: var(--color-background-elevated);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.tips-list li:last-child {
    margin-bottom: 0;
}

.tips-list strong {
    color: var(--color-accent);
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.faq-item {
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-item summary {
    padding: var(--space-lg);
    cursor: pointer;
    font-weight: 500;
    color: var(--color-text-primary);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast);
}

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

.faq-item summary::after {
    content: '+';
    font-size: var(--font-size-xl);
    color: var(--color-accent);
    transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary:hover {
    background: var(--color-background-hover);
}

.faq-item p {
    padding: 0 var(--space-lg) var(--space-lg);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

.faq-item a {
    color: var(--color-accent);
}

/* FAQ Section (Homepage) */
.faq-section {
    padding: var(--space-3xl) 0;
    background: var(--color-background-alt);
}

.faq-section .faq-list {
    max-width: 800px;
    margin: 0 auto;
}

/* Accessibility Cards */
.accessibility-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.a11y-card {
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
}

.a11y-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
    color: var(--color-accent);
}

.a11y-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.a11y-card li {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
    padding-left: var(--space-lg);
    position: relative;
}

.a11y-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

.a11y-card li:last-child {
    margin-bottom: 0;
}

.a11y-feedback {
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    text-align: center;
}

.a11y-feedback h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
}

.a11y-feedback p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.a11y-feedback .note {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: 0;
}

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.contact-card {
    background: var(--color-background-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
}

.contact-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.contact-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
}

.contact-card .note {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--space-sm);
    margin-bottom: 0;
}

.email-link {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 500;
    font-size: var(--font-size-base);
}

.email-link:hover {
    text-decoration: underline;
}

.bug-report-list {
    list-style: none;
    margin: 0 0 var(--space-md) 0;
    padding: 0;
}

.bug-report-list li {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    padding-left: var(--space-md);
    position: relative;
    margin-bottom: var(--space-xs);
}

.bug-report-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.response-time {
    background: var(--color-background-card);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    text-align: center;
}

.response-time p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Rate Section */
.rate-section {
    text-align: center;
    background: var(--color-background-card);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
}

.rate-section h2 {
    border-bottom: none;
    display: block;
    padding-bottom: 0;
}

.rate-section p {
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto var(--space-xl);
}

/* Legal Links Section */
.legal-links-section {
    background: var(--color-background-elevated);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
}

.legal-links-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.legal-links-list li {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
}

.legal-links-list li:last-child {
    margin-bottom: 0;
}

.legal-links-list a {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: var(--font-size-4xl);
    }

    .hero-subtitle {
        margin: 0 auto var(--space-xl);
    }

    .hero-cta {
        align-items: center;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        max-width: 250px;
    }

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

    .spotlight-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .spotlight-visual {
        display: none;
    }

    .accessibility-list {
        align-items: center;
    }

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

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }

    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-background);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-lg);
    }

    .nav.active {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .nav-cta {
        width: 100%;
        text-align: center;
        display: block;
    }

    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .mobile-menu-toggle[aria-expanded="true"] .hamburger {
        background: transparent;
    }

    .mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: calc(72px + var(--space-2xl)) 0 var(--space-2xl);
        min-height: auto;
    }

    .trust-list {
        gap: var(--space-lg);
    }

    .trust-item {
        flex: 0 0 calc(50% - var(--space-md));
        justify-content: center;
    }

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

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

    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-lg);
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: 1fr;
    }

    .phone-frame {
        width: 180px;
    }

    .hero-nav-btn {
        width: 40px;
        height: 40px;
    }

    .hero-nav-btn svg {
        width: 20px;
        height: 20px;
    }

    .hero-phone-wrapper {
        gap: var(--space-sm);
    }

    .hero-controls {
        flex-direction: column;
        gap: var(--space-md);
    }

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

    .screenshot-grid-item .phone-frame {
        max-width: 160px;
    }
}

/* Responsive for Legal & Support Pages */
@media (max-width: 768px) {
    .categories-help-grid {
        grid-template-columns: 1fr;
    }

    .accessibility-features {
        grid-template-columns: 1fr;
    }

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

    .support-nav ul {
        gap: var(--space-sm);
    }

    .support-nav a {
        padding: var(--space-xs) var(--space-md);
        font-size: var(--font-size-xs);
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    .header,
    .mobile-menu-toggle,
    .screenshot-toggle-wrapper {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .hero {
        padding-top: var(--space-xl);
        min-height: auto;
    }
}