/* ==========================================================================
   Horizon: Modern New Tab — Cloudflare Pages Design System
   Modern Glassmorphic Dark UI with Accessible Contrast & Responsive Layouts
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark: #07090e;
  --bg-dark-subtle: #0d121f;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 34, 54, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(56, 189, 248, 0.3);
  --border-glow: rgba(99, 102, 241, 0.3);

  /* Primary & Accent Tones */
  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-indigo: #6366f1;
  --accent-purple: #a855f7;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* Gradients */
  --grad-primary: linear-gradient(135deg, #38bdf8 0%, #6366f1 50%, #a855f7 100%);
  --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  --grad-glow: radial-gradient(circle at center, rgba(56, 189, 248, 0.15) 0%, transparent 70%);

  /* Typography */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;

  /* Shadows & Glassmorphism */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 35px rgba(56, 189, 248, 0.2);
  --blur-glass: blur(16px);
  --blur-heavy: blur(28px);

  /* Dimensions & Spacing */
  --header-height: 72px;
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Ambient Glowing Background Orbs */
.glow-bg {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}

.glow-1 {
  top: -150px;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #38bdf8 0%, #6366f1 70%);
}

.glow-2 {
  top: 40%;
  right: -100px;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #8b5cf6 0%, #3b82f6 70%);
}

.glow-3 {
  bottom: 5%;
  left: -50px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #06b6d4 0%, #10b981 70%);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

/* Glass Surface Utility */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

/* Typography Helpers */
h1, h2, h3, h4 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--text-muted);
}

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

a:hover {
  color: #7dd3fc;
}

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

.text-muted {
  color: var(--text-muted);
}

.bullet {
  color: var(--text-dim);
  margin: 0 4px;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-primary);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(56, 189, 248, 0.35);
}

.btn-primary:hover {
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(56, 189, 248, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-main);
  border-color: var(--border-glass);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-muted);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* --------------------------------------------------------------------------
   Site Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 100;
  transition: background var(--transition-fast), border-color var(--transition-fast), backdrop-filter var(--transition-fast);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom-color: var(--border-glass);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-main);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-logo {
  border-radius: 10px;
  display: block;
}

.brand-name {
  color: var(--text-main);
}

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

.nav-link {
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-github-link {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: var(--radius-full);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-github-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding: 80px 0 60px;
  text-align: center;
}

.hero-badge-wrapper {
  margin-bottom: 24px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-cyan);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  max-width: 900px;
  margin: 0 auto 20px;
}

.hero-subheadline {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-main);
  max-width: 760px;
  margin: 0 auto 14px;
  font-weight: 400;
  line-height: 1.5;
}

.hero-description {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* Browser Compatibility Bar */
.browser-compat-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.compat-label {
  font-size: 0.875rem;
  color: var(--text-dim);
  font-weight: 500;
}

.browser-logos {
  display: flex;
  align-items: center;
  gap: 16px;
}

.browser-icon-link {
  display: flex;
  align-items: center;
  opacity: 0.75;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.browser-icon-link:hover {
  opacity: 1;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Interactive Browser Mockup
   -------------------------------------------------------------------------- */
.mockup-container {
  max-width: 1060px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.7), 0 0 40px rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0d121f;
}

/* Mockup Window Chrome Header */
.mockup-window-header {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  background: rgba(13, 18, 31, 0.95);
  border-bottom: 1px solid var(--border-glass);
  gap: 16px;
}

.window-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.dot-close { background: #ff5f56; }
.dot-min { background: #ffbd2e; }
.dot-max { background: #27c93f; }

.mockup-address-bar {
  flex: 1;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.address-lock {
  color: var(--accent-emerald);
}

.address-text {
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.mockup-window-actions {
  width: 48px;
  display: flex;
  justify-content: flex-end;
}

/* Mockup Tab Navigation Bar */
.mockup-tabs-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(18, 24, 38, 0.9);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-glass);
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.mockup-tabs-bar::-webkit-scrollbar {
  display: none;
}

.mockup-tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.mockup-tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.mockup-tab-btn.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.35);
  color: var(--accent-cyan);
  font-weight: 600;
  box-shadow: 0 0 16px rgba(56, 189, 248, 0.15);
}

/* Mockup Display Viewport */
.mockup-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #090d16;
  overflow: hidden;
  cursor: pointer;
}

.mockup-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease-in-out;
}

.mockup-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.mockup-slide picture,
.mockup-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --------------------------------------------------------------------------
   Features Bento Grid Section (#features)
   -------------------------------------------------------------------------- */
.features-section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.bento-card {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
}

.bento-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

/* Grid Layout Spans */
.col-span-7 { grid-column: span 7; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-4 { grid-column: span 4; }
.col-span-8 { grid-column: span 8; }
.col-span-12 { grid-column: span 12; }

/* Bento Card Internal Structure */
.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  align-self: flex-start;
}

.bento-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.bento-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 24px;
}

/* Bento Micro-UI Visuals */
.micro-ui {
  margin-top: auto;
  border-radius: var(--radius-md);
  background: rgba(13, 18, 31, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 16px;
}

/* Micro-UI: Account Switcher */
.account-preview-ui {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.account-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.account-chip.active {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
}

.account-chip-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.account-avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #2563eb;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
}

.account-avatar-circle.avatar-work {
  background: #10b981;
}

.account-info {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.account-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

.account-email {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.account-badge-active {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.725rem;
  color: var(--accent-cyan);
  font-weight: 600;
}

/* Micro-UI: Google Apps Drawer */
.apps-grid-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.app-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 6px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  text-align: center;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.app-tile:hover {
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-2px);
}

.app-icon-wrap {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.15;
}

/* Micro-UI: Search Engine Bar */
.search-preview-ui {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mock-search-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 26px;
}

.mock-search-left {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.mock-mic-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  color: var(--accent-cyan);
}

.wave-bar {
  width: 2px;
  height: 12px;
  background: var(--accent-cyan);
  border-radius: 2px;
  animation: wave 1.2s ease-in-out infinite alternate;
}

.wave-bar:nth-child(2) { height: 18px; animation-delay: 0.2s; }
.wave-bar:nth-child(3) { height: 10px; animation-delay: 0.4s; }

@keyframes wave {
  0% { transform: scaleY(0.4); }
  100% { transform: scaleY(1); }
}

.engine-chips-row {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.engine-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.engine-chip.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.3);
  color: var(--accent-cyan);
}

/* Micro-UI: Shortcuts Grid */
.shortcuts-preview-ui {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.shortcut-tile {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-main);
}

.shortcut-favicon {
  width: 18px;
  height: 18px;
  border-radius: 4px;
}

/* Micro-UI: Wallpapers Swatches */
.wallpapers-preview-ui {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.wallpaper-swatch {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  overflow: hidden;
  position: relative;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.wallpaper-swatch:hover,
.wallpaper-swatch.active {
  border-color: var(--accent-cyan);
  transform: scale(1.05);
}

.swatch-1 { background: linear-gradient(135deg, #1e3a8a, #0d9488); }
.swatch-2 { background: linear-gradient(135deg, #4c1d95, #ec4899); }
.swatch-3 { background: linear-gradient(135deg, #0f172a, #334155); }
.swatch-upload {
  background: rgba(255, 255, 255, 0.05);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

/* Micro-UI: Appearance Theme Split */
.theme-split-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.theme-preview-card {
  padding: 14px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.8rem;
}

.theme-dark {
  background: #0f172a;
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.theme-light {
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.theme-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.75rem;
}

/* Micro-UI: Privacy Shield */
.privacy-preview-ui {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 12px;
  padding: 10px;
  flex-wrap: wrap;
}

.privacy-badge-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--accent-emerald);
  font-size: 0.8rem;
  font-weight: 600;
}

.privacy-link-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

/* --------------------------------------------------------------------------
   Support Form Section (#support)
   -------------------------------------------------------------------------- */
.support-section {
  padding: 100px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(13, 18, 31, 0.6) 100%);
}

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

.support-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.support-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.support-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.support-links-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.support-link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.support-link-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-glass-hover);
  color: #ffffff;
  transform: translateX(4px);
}

.support-link-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.support-link-content h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.support-link-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.privacy-promise {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #d1fae5;
  font-size: 0.875rem;
}

.privacy-promise svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Glassmorphic Support Form */
.support-form-card {
  padding: 36px;
  position: relative;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(13, 18, 31, 0.8);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
  background: rgba(18, 24, 38, 0.95);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Submit Button & Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

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

/* Success State Container */
.form-success-state {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.success-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid var(--accent-emerald);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #ffffff;
}

.success-message {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 400px;
  margin: 0 auto 28px;
}

/* Error Banner */
.form-error-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fca5a5;
  font-size: 0.875rem;
  margin-bottom: 20px;
}

.btn-retry {
  background: transparent;
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-glass);
  background: #05070a;
  padding: 50px 0 36px;
  margin-top: 60px;
  position: relative;
  z-index: 10;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  border-radius: 8px;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

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

.footer-links a:hover {
  color: #ffffff;
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-legal p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-legal a {
  color: var(--text-muted);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Documentation Layout (Privacy Page)
   -------------------------------------------------------------------------- */
.privacy-page {
  background-color: var(--bg-dark);
}

.privacy-container {
  padding: 40px 24px 80px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-bottom: 28px;
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb .sep {
  color: var(--text-dim);
}

.breadcrumb .current {
  color: var(--text-main);
  font-weight: 500;
}

.doc-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  align-items: start;
}

/* Sticky Sidebar TOC */
.doc-sidebar {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.sidebar-card {
  padding: 24px 20px;
  max-height: calc(100vh - var(--header-height) - 48px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-glass);
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toc-item.toc-sub {
  padding-left: 14px;
}

.toc-link {
  display: block;
  font-size: 0.825rem;
  color: var(--text-muted);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
  line-height: 1.4;
}

.toc-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.toc-link.active {
  color: var(--accent-cyan);
  border-left-color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  font-weight: 600;
}

.sidebar-footer {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-glass);
}

.privacy-guarantee-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--accent-emerald);
}

/* Document Article */
.doc-content {
  padding: 48px 56px;
  line-height: 1.75;
}

.doc-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.doc-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.doc-heading-2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--text-main);
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.doc-heading-3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 28px 0 12px;
  color: #e2e8f0;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.doc-p {
  font-size: 0.975rem;
  color: #cbd5e1;
  margin-bottom: 18px;
}

.doc-list {
  padding-left: 20px;
  margin-bottom: 24px;
}

.doc-list li {
  margin-bottom: 8px;
  color: #cbd5e1;
  font-size: 0.95rem;
}

.doc-divider {
  border: 0;
  height: 1px;
  background: var(--border-glass);
  margin: 40px 0;
}

.doc-callout {
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.08);
  border-left: 4px solid var(--accent-cyan);
  margin: 24px 0;
  color: #e0f2fe;
}

.doc-callout p {
  color: inherit;
  margin: 0;
  font-size: 0.95rem;
}

/* Document Tables */
.table-container {
  overflow-x: auto;
  margin: 24px 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

.doc-table th {
  background: rgba(255, 255, 255, 0.05);
  padding: 12px 18px;
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-glass);
}

.doc-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: #cbd5e1;
}

.doc-table tr:last-child td {
  border-bottom: none;
}

.doc-table code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent-cyan);
}

.doc-bottom-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-glass);
  flex-wrap: wrap;
  gap: 16px;
}

/* --------------------------------------------------------------------------
   404 Error Page
   -------------------------------------------------------------------------- */
.page-404 {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.error-page-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
}

.error-card {
  max-width: 560px;
  width: 100%;
  padding: 48px;
  text-align: center;
}

.error-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.25);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.error-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.error-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.error-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.error-links {
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .col-span-7,
  .col-span-5,
  .col-span-6,
  .col-span-8,
  .col-span-4,
  .col-span-12 {
    grid-column: span 6;
  }

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

  .doc-sidebar {
    display: none; /* In mobile doc layout, content flows naturally */
  }

  .doc-content {
    padding: 32px 24px;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(7, 9, 14, 0.98);
    backdrop-filter: var(--blur-heavy);
    -webkit-backdrop-filter: var(--blur-heavy);
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    border-bottom: 1px solid var(--border-glass);
    transform: translateY(-120%);
    transition: transform var(--transition-smooth);
    opacity: 0;
    pointer-events: none;
    z-index: 99;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.25rem;
  }

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

  .col-span-7,
  .col-span-5,
  .col-span-6,
  .col-span-8,
  .col-span-4,
  .col-span-12 {
    grid-column: span 1;
  }

  .bento-card {
    padding: 24px;
  }

  .support-form-card {
    padding: 24px;
  }

  .footer-inner {
    gap: 20px;
  }

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

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