/* =========================================================================
   FingerSwipe — Executive Modern Developer Design System
   Dual-Theme: Pine & Mint Polar Light (Default) / Pine Obsidian Dark
   Alternative Palette: Velvet Burgundy & Crimson Obsidian
   ========================================================================= */

:root {
  /* Pine & Mint Light Theme (Default Baseline) */
  --bg-primary: #f2f8f6;
  --bg-secondary: #e5f0ed;
  --bg-card: #ffffff;
  --bg-card-hover: #f6faf8;
  --bg-surface: #ffffff;
  --bg-code: #eaf3f0;
  --bg-glass: rgba(0, 0, 0, 0.03);

  --border-subtle: #cde0da;
  --border-card: #b4d1c9;
  --border-code: #b4d1c9;
  --border-focus: #176966;
  --border-hover: rgba(23, 105, 102, 0.45);

  --text-main: #0e2425;
  --text-muted: #2d4f4e;
  --text-faint: #547775;
  --text-code: #176966;

  --accent-primary: #176966;
  --accent-primary-hover: #11524f;
  --accent-primary-soft: rgba(23, 105, 102, 0.12);
  --accent-secondary: #51ba9a;
  --accent-green: #059669;
  --accent-green-soft: rgba(5, 150, 105, 0.15);
  --accent-amber: #d97706;
  --accent-amber-soft: rgba(217, 119, 6, 0.15);

  --nav-bg: rgba(242, 248, 246, 0.92);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 20px -4px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 12px 36px -8px rgba(0, 0, 0, 0.18);

  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Pine Obsidian Dark Theme (Default Dark) */
[data-theme="dark"] {
  --bg-primary: #0b1617;
  --bg-secondary: #102123;
  --bg-card: rgba(19, 38, 40, 0.85);
  --bg-card-hover: rgba(25, 48, 50, 0.95);
  --bg-surface: #152d30;
  --bg-code: #071213;
  --bg-glass: rgba(255, 255, 255, 0.04);

  --border-subtle: rgba(81, 186, 154, 0.15);
  --border-card: rgba(81, 186, 154, 0.22);
  --border-code: rgba(81, 186, 154, 0.2);
  --border-focus: #51ba9a;
  --border-hover: rgba(81, 186, 154, 0.45);

  --text-main: #f0fdf9;
  --text-muted: #cbdad5;
  --text-faint: #7f9f97;
  --text-code: #51ba9a;

  --accent-primary: #51ba9a;
  --accent-primary-hover: #3ea183;
  --accent-primary-soft: rgba(81, 186, 154, 0.16);
  --accent-secondary: #176966;
  --accent-green: #10b981;
  --accent-green-soft: rgba(16, 185, 129, 0.18);
  --accent-amber: #f59e0b;
  --accent-amber-soft: rgba(245, 158, 11, 0.18);

  --nav-bg: rgba(11, 22, 23, 0.92);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 20px -4px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 36px -8px rgba(0, 0, 0, 0.65);
}

/* =========================================================================
   Velvet Burgundy & Crimson Obsidian Palette (Alternative Option)
   ========================================================================= */
[data-palette="burgundy"] {
  --bg-primary: #fbf6f7;
  --bg-secondary: #f4eaec;
  --bg-card: #ffffff;
  --bg-card-hover: #faf3f4;
  --bg-surface: #ffffff;
  --bg-code: #f3e8ea;
  --bg-glass: rgba(67, 0, 14, 0.03);

  --border-subtle: #e8d7db;
  --border-card: #dfcad0;
  --border-code: #dfcad0;
  --border-focus: #781028;
  --border-hover: rgba(120, 16, 40, 0.45);

  --text-main: #24060b;
  --text-muted: #5c242c;
  --text-faint: #8d555d;
  --text-code: #781028;

  --accent-primary: #781028;
  --accent-primary-hover: #43000e;
  --accent-primary-soft: rgba(120, 16, 40, 0.12);
  --accent-secondary: #c04d65;
  --accent-green: #059669;
  --accent-green-soft: rgba(5, 150, 105, 0.15);
  --accent-amber: #d97706;
  --accent-amber-soft: rgba(217, 119, 6, 0.15);

  --nav-bg: rgba(251, 246, 247, 0.92);
  --shadow-sm: 0 1px 3px rgba(67, 0, 14, 0.06);
  --shadow-md: 0 6px 20px -4px rgba(67, 0, 14, 0.10);
  --shadow-lg: 0 12px 36px -8px rgba(67, 0, 14, 0.16);
}

[data-palette="burgundy"][data-theme="dark"] {
  --bg-primary: #140205;
  --bg-secondary: #1d050a;
  --bg-card: rgba(36, 8, 14, 0.85);
  --bg-card-hover: rgba(48, 12, 20, 0.95);
  --bg-surface: #260a10;
  --bg-code: #0c0103;
  --bg-glass: rgba(255, 255, 255, 0.04);

  --border-subtle: rgba(224, 122, 143, 0.16);
  --border-card: rgba(224, 122, 143, 0.24);
  --border-code: rgba(224, 122, 143, 0.2);
  --border-focus: #e07a8f;
  --border-hover: rgba(224, 122, 143, 0.45);

  --text-main: #fdf2f4;
  --text-muted: #e2bdc5;
  --text-faint: #a87d86;
  --text-code: #f08b9f;

  --accent-primary: #e07a8f;
  --accent-primary-hover: #f49cb0;
  --accent-primary-soft: rgba(224, 122, 143, 0.16);
  --accent-secondary: #781028;
  --accent-green: #10b981;
  --accent-green-soft: rgba(16, 185, 129, 0.18);
  --accent-amber: #f59e0b;
  --accent-amber-soft: rgba(245, 158, 11, 0.18);

  --nav-bg: rgba(20, 2, 5, 0.92);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 6px 20px -4px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 12px 36px -8px rgba(0, 0, 0, 0.7);
}

/* =========================================================================
   Ocean Cyan & Sapphire Palette (Electric High-Tech Option)
   ========================================================================= */
[data-palette="ocean"] {
  --bg-primary: #f0f7fb;
  --bg-secondary: #e1eff7;
  --bg-card: #ffffff;
  --bg-card-hover: #f4faff;
  --bg-surface: #ffffff;
  --bg-code: #e6f2f9;
  --bg-glass: rgba(2, 132, 199, 0.03);

  --border-subtle: #c7e2f1;
  --border-card: #b0d5eb;
  --border-code: #b0d5eb;
  --border-focus: #0284c7;
  --border-hover: rgba(2, 132, 199, 0.45);

  --text-main: #0c2333;
  --text-muted: #215473;
  --text-faint: #5283a0;
  --text-code: #0284c7;

  --accent-primary: #0284c7;
  --accent-primary-hover: #0369a1;
  --accent-primary-soft: rgba(2, 132, 199, 0.12);
  --accent-secondary: #38bdf8;
  --accent-green: #059669;
  --accent-green-soft: rgba(5, 150, 105, 0.15);
  --accent-amber: #d97706;
  --accent-amber-soft: rgba(217, 119, 6, 0.15);

  --nav-bg: rgba(240, 247, 251, 0.92);
  --shadow-sm: 0 1px 3px rgba(2, 132, 199, 0.08);
  --shadow-md: 0 6px 20px -4px rgba(2, 132, 199, 0.12);
  --shadow-lg: 0 12px 36px -8px rgba(2, 132, 199, 0.18);
}

[data-palette="ocean"][data-theme="dark"] {
  --bg-primary: #081018;
  --bg-secondary: #0d1a26;
  --bg-card: rgba(14, 28, 44, 0.85);
  --bg-card-hover: rgba(20, 38, 58, 0.95);
  --bg-surface: #102133;
  --bg-code: #050b11;
  --bg-glass: rgba(255, 255, 255, 0.04);

  --border-subtle: rgba(56, 189, 248, 0.16);
  --border-card: rgba(56, 189, 248, 0.22);
  --border-code: rgba(56, 189, 248, 0.2);
  --border-focus: #38bdf8;
  --border-hover: rgba(56, 189, 248, 0.45);

  --text-main: #f0f9ff;
  --text-muted: #bae6fd;
  --text-faint: #70a4c4;
  --text-code: #38bdf8;

  --accent-primary: #38bdf8;
  --accent-primary-hover: #7dd3fc;
  --accent-primary-soft: rgba(56, 189, 248, 0.16);
  --accent-secondary: #0284c7;
  --accent-green: #10b981;
  --accent-green-soft: rgba(16, 185, 129, 0.18);
  --accent-amber: #f59e0b;
  --accent-amber-soft: rgba(245, 158, 11, 0.18);

  --nav-bg: rgba(8, 16, 24, 0.92);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 20px -4px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 36px -8px rgba(0, 0, 0, 0.65);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

button, a, input, select {
  -webkit-tap-highlight-color: transparent;
}

button:focus:not(:focus-visible),
a:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible) {
  outline: none;
}

html {
  scroll-behavior: smooth;
  color-scheme: light dark;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  max-width: 100%;
  overflow-x: hidden;
}

body.scroll-locked,
html.scroll-locked {
  overflow: hidden !important;
  touch-action: none;
}

/* Accessibility: Keyboard Focus & Skip Links */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--accent-primary);
  color: #ffffff;
  padding: 10px 18px;
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--accent-secondary);
}

/* Universal Accessible Focus Rings */
:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.theme-toggle-btn:focus-visible,
.palette-toggle-btn:focus-visible,
.mobile-nav-toggle:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-radius: var(--radius-full);
}

/* Accessibility: Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Base Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }
}

/* Dynamic Brand Logo SVG Styling */
.brand-logo-svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.logo-swipe {
  stroke: var(--accent-primary);
  fill: none;
  transition: stroke var(--transition-fast);
}

.logo-arrow {
  fill: var(--accent-primary);
  stroke: var(--accent-primary);
  transition: fill var(--transition-fast), stroke var(--transition-fast);
}

.logo-hand {
  fill: var(--bg-surface);
  stroke: var(--accent-primary);
  transition: fill var(--transition-fast), stroke var(--transition-fast);
}

.logo-node {
  fill: var(--accent-primary);
  transition: fill var(--transition-fast);
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
  width: 100%;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-logo svg {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.docs-brand-badge {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-faint);
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-primary);
  background: var(--accent-primary-soft);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Theme Switcher Button */
.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.theme-toggle-btn:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
  transform: rotate(15deg);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
}

/* In Light Mode (Default): Show Moon icon to switch to dark */
.icon-moon { display: block; }
.icon-sun { display: none; }

/* In Dark Mode: Show Sun icon to switch to light */
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: block; }

/* Palette Switcher Button */
.palette-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: var(--transition-fast);
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.palette-toggle-btn:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
  transform: rotate(15deg);
}

.palette-toggle-btn svg {
  width: 18px;
  height: 18px;
}

.palette-indicator {
  position: absolute;
  bottom: 4px;
  right: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-primary);
  border: 1.5px solid var(--bg-card);
  transition: background var(--transition-fast);
}

/* Mobile Drawer Segmented Palette Controls */
.nav-drawer-palette-group {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 10px 10px 4px;
  margin-top: 6px;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
}

@media (max-width: 860px) {
  .nav-drawer-palette-group {
    display: flex;
  }
}

.nav-drawer-palette-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

.palette-segmented-control {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  width: 100%;
  background: var(--bg-card);
  padding: 3px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.palette-segment-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px 6px;
  font-family: var(--font-heading);
  font-size: 0.74rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.palette-segment-btn.active {
  border-color: var(--border-hover);
  background: var(--bg-surface);
  color: var(--accent-primary);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.swatch-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.swatch-burgundy {
  background: #781028;
}

.swatch-pine {
  background: #176966;
}

.swatch-ocean {
  background: #0284c7;
}

/* GitHub Badge */
.github-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition-fast);
  flex-shrink: 0;
  white-space: nowrap;
}

.github-badge:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-sm);
}

.star-count {
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

/* Mobile Menu Toggle */
.mobile-nav-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  cursor: pointer;
  padding: 0;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mobile-nav-toggle svg {
  width: 20px;
  height: 20px;
}

/* Responsive Mobile Navigation */
@media (max-width: 860px) {
  .mobile-nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    gap: 8px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }

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

  .nav-links a {
    width: 100%;
    padding: 12px 14px;
    font-size: 1rem;
    color: var(--text-main);
  }

  .nav-actions {
    gap: 6px;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 16px;
  }

  .brand-logo {
    gap: 7px;
    font-size: clamp(0.95rem, 3.8vw, 1.15rem);
  }

  .brand-logo-svg {
    width: 26px;
    height: 26px;
  }

  .nav-actions {
    gap: 5px;
  }

  .theme-toggle-btn,
  .palette-toggle-btn,
  .github-badge,
  .mobile-nav-toggle {
    width: 32px;
    height: 32px;
  }

  .theme-toggle-btn svg,
  .palette-toggle-btn svg,
  .github-badge svg,
  .mobile-nav-toggle svg {
    width: 15px;
    height: 15px;
  }

  .palette-indicator {
    width: 6px;
    height: 6px;
    bottom: 3px;
    right: 3px;
  }

  .github-badge {
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-full);
  }

  .github-badge span {
    display: none;
  }
}

@media (max-width: 380px) {
  .container {
    padding: 0 10px;
  }

  .brand-logo {
    font-size: 0.92rem;
    gap: 5px;
  }

  .brand-logo-svg {
    width: 24px;
    height: 24px;
  }

  .nav-actions {
    gap: 4px;
  }

  .theme-toggle-btn,
  .palette-toggle-btn,
  .github-badge,
  .mobile-nav-toggle {
    width: 30px;
    height: 30px;
  }

  .theme-toggle-btn svg,
  .palette-toggle-btn svg,
  .github-badge svg,
  .mobile-nav-toggle svg {
    width: 14px;
    height: 14px;
  }
}

/* Hero Section */
.hero {
  padding: 60px 0 40px;
  text-align: center;
}

@media (max-width: 600px) {
  .hero {
    padding: 36px 0 24px;
  }
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: var(--accent-primary-soft);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-full);
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.hero-pill .pulse-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-primary);
  border-radius: 50%;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  color: var(--text-main);
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 28px;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
  width: 100%;
}

.hero-cta-secondary {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 600px) {
  .hero-cta {
    flex-direction: column;
    gap: 8px;
  }

  .hero-cta > .btn {
    width: 100%;
    padding: 10px 16px;
    font-size: 0.88rem;
  }

  .hero-cta-secondary {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .hero-cta-secondary .btn {
    width: 100%;
    padding: 9px 10px;
    font-size: 0.82rem;
    gap: 6px;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .btn-primary {
  color: #140205;
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  border-color: var(--accent-primary);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.hero-stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-stat-item svg {
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* Simulator Section */
.simulator-section {
  padding: 24px 0 50px;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 36px;
}

.section-tag {
  color: var(--accent-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 10px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Playground Card */
.playground-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

@media (max-width: 860px) {
  .playground-container {
    grid-template-columns: 1fr;
    padding: 16px 14px;
  }
}

.trackpad-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.trackpad-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  width: 100%;
  flex-wrap: wrap;
}

.trackpad-header-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Sleek Non-Wrapping Live Status Pill */
.live-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  background: var(--accent-green-soft);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
  white-space: nowrap;
  flex-shrink: 0;
}

.live-pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-green);
  flex-shrink: 0;
}

.trackpad-surface {
  position: relative;
  height: 260px;
  background: var(--bg-secondary);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: grab;
  user-select: none;
  touch-action: none;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
}

.trackpad-surface:active {
  cursor: grabbing;
  border-color: var(--accent-primary);
}

@media (max-width: 480px) {
  .playground-container {
    padding: 14px 10px;
  }
  .trackpad-surface {
    height: 220px;
  }
  .trackpad-header-title {
    font-size: 0.82rem;
  }
  .live-status-pill {
    font-size: 0.68rem;
    padding: 2px 6px;
  }
  .trackpad-prompt {
    padding: 0 10px;
    font-size: 0.8rem;
  }
}

.trackpad-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-faint);
  pointer-events: none;
  text-align: center;
  padding: 0 16px;
  font-size: 0.85rem;
}

.trackpad-prompt-icon {
  width: 42px;
  height: 42px;
  color: var(--text-muted);
}

.gesture-pointer {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--accent-primary-soft);
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.gesture-pointer.active {
  opacity: 1;
}

.axis-indicator {
  position: absolute;
  top: 10px;
  left: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-primary);
  background: var(--bg-primary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

/* Feedback Area & Gauges */
.feedback-box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
}

.osd-preview {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
  width: 100%;
}

.osd-preview-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 10px;
  display: block;
}

.osd-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
  width: 100%;
}

.osd-icon {
  width: 38px;
  height: 38px;
  background: var(--accent-primary-soft);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

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

.osd-bar-container {
  flex: 1;
  min-width: 0;
}

.osd-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 0.85rem;
  font-weight: 600;
}

.osd-val-mono {
  font-family: var(--font-mono);
  color: var(--accent-primary);
}

.osd-progress-bg {
  width: 100%;
  height: 8px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.osd-progress-fill {
  height: 100%;
  width: 65%;
  background: var(--accent-primary);
  border-radius: var(--radius-full);
  transition: width 0.1s ease-out;
}

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

@media (max-width: 500px) {
  .meters-grid {
    grid-template-columns: 1fr;
  }
}

.meter-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  width: 100%;
}

.meter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.meter-val {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.meter-vol-accent {
  color: var(--accent-primary);
}

.meter-bright-accent {
  color: var(--accent-amber);
}

.meter-bar-bg {
  height: 6px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.meter-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.1s ease-out;
}

.volume-fill {
  background: var(--accent-primary);
  width: 65%;
}

.brightness-fill {
  background: var(--accent-amber);
  width: 80%;
}

/* Feature Cards Grid */
.features-section {
  padding: 40px 0 60px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  width: 100%;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: var(--transition-fast);
  width: 100%;
}

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

.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--accent-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 14px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

/* Installation Tabs */
.install-section {
  padding: 40px 0 70px;
}

.tab-container {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  width: 100%;
}

.tab-nav {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
}

.tab-btn {
  padding: 14px 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  background: var(--accent-primary-soft);
}

.tab-pane {
  padding: 24px;
  display: none;
  width: 100%;
}

.tab-pane.active {
  display: block;
}

.tab-heading {
  font-family: var(--font-heading);
  margin-bottom: 8px;
  color: var(--text-main);
}

.tab-subtext {
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 600px) {
  .tab-pane {
    padding: 18px 14px;
  }
}

/* Clean, Adaptive Code Box (100% Theme-Adaptive, Zero Leaks) */
.command-box {
  background: var(--bg-code);
  border: 1px solid var(--border-code);
  border-radius: var(--radius-md);
  padding: 0;
  position: relative;
  margin: 14px 0 18px;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.command-box pre {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text-code);
  line-height: 1.65;
  white-space: pre;
  overflow-x: auto;
  padding: 16px 18px;
  padding-right: 75px;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 10;
  padding: 5px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition-fast);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.copy-btn:hover {
  color: #ffffff;
  border-color: var(--accent-primary);
  background: var(--accent-primary);
}

[data-theme="dark"] .copy-btn:hover {
  color: #140205;
}

.copy-btn.copied {
  color: #ffffff;
  border-color: var(--accent-green);
  background: var(--accent-green);
}

.download-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 16px;
  width: 100%;
}

.download-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
}

.download-card-heading {
  display: block;
  margin-bottom: 4px;
  color: var(--text-main);
}

.download-card-subtext {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.download-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-faint);
}

.btn-download-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* Config Generator Section */
.config-section {
  padding: 40px 0 70px;
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 860px) {
  .config-grid {
    grid-template-columns: 1fr;
    padding: 18px 14px;
  }
}

.config-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
  width: 100%;
}

.config-preview-header .copy-btn {
  position: static;
  top: auto;
  right: auto;
  padding: 6px 12px;
  font-size: 0.78rem;
}

.config-preview-title {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.config-val-mono {
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-main);
}

.range-slider {
  width: 100%;
  height: 6px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-primary);
  cursor: pointer;
}

.select-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.85rem;
  outline: none;
}

.select-input:focus {
  border-color: var(--accent-primary);
}

/* =========================================================================
   Documentation Portal Layout & Styles (docs/index.html)
   ========================================================================= */

.docs-wrapper {
  display: flex;
  min-height: calc(100vh - 64px);
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

/* High-Contrast Docs Sidebar Navigation */
.docs-sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform var(--transition-normal);
  z-index: 10;
}

.docs-search-box {
  position: relative;
  width: 100%;
}

.docs-search-input {
  width: 100%;
  padding: 9px 12px 9px 34px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-fast);
}

.docs-search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-primary-soft);
}

.docs-search-icon {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 15px;
  height: 15px;
  color: var(--accent-primary);
  pointer-events: none;
}

.docs-nav-group {
  margin-bottom: 12px;
}

.docs-nav-title {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
  margin-bottom: 8px;
  padding-left: 8px;
}

.docs-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.docs-nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  color: var(--text-main);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.docs-nav-link:hover {
  color: var(--accent-primary);
  background: var(--accent-primary-soft);
}

.docs-nav-link.active {
  color: var(--accent-primary);
  background: var(--accent-primary-soft);
  font-weight: 600;
  border-left: 3px solid var(--accent-primary);
}

/* Mobile Docs Header Bar & Drawer Toggle */
.mobile-docs-bar {
  display: none;
  position: sticky;
  top: 64px;
  z-index: 90;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 16px;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(12px);
  width: 100%;
}

.mobile-docs-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-primary-soft);
  border: 1px solid var(--border-hover);
  color: var(--accent-primary);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.version-pill-mono {
  font-size: 0.8rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
  text-decoration: none;
  transition: var(--transition-fast);
}

.version-pill-mono:hover {
  color: var(--accent-primary);
}

.docs-breadcrumb-version {
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition-fast);
}

.docs-breadcrumb-version:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.docs-overlay {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  width: 100vw;
  height: calc(100vh - 64px);
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 920;
}

@media (max-width: 860px) {
  .docs-wrapper,
  .docs-wrapper.container {
    position: static !important;
    z-index: auto !important;
  }

  .mobile-docs-bar {
    display: flex;
  }

  .docs-sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    width: min(300px, 86vw);
    height: calc(100vh - 64px);
    z-index: 950 !important;
    transform: translateX(-100%);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.5);
    background: var(--bg-surface) !important;
    border-right: 1px solid var(--border-card);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
  }

  .docs-sidebar.open {
    transform: translateX(0) !important;
  }

  .docs-overlay.open {
    display: block;
  }

  .docs-nav-link {
    padding: 10px 12px;
    font-size: 0.92rem;
  }
}

/* Docs Main Content Area */
.docs-content {
  flex: 1;
  min-width: 0;
  max-width: 880px;
  padding: 36px 40px 70px;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .docs-content {
    padding: 20px 16px 50px;
    max-width: 100%;
    width: 100%;
  }
}

.docs-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--text-faint);
  margin-bottom: 14px;
}

.docs-breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
}

.docs-breadcrumbs a:hover {
  color: var(--accent-primary);
}

.docs-article h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: var(--text-main);
}

.docs-lead {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 20px;
}

.docs-section {
  margin-bottom: 40px;
  scroll-margin-top: 90px;
  width: 100%;
  box-sizing: border-box;
}

.docs-section h2 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-main);
}

.docs-section h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 20px 0 10px;
  color: var(--text-main);
}

.docs-section p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-bottom: 14px;
}

.docs-section ul, .docs-section ol {
  margin-left: 18px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.docs-section li {
  margin-bottom: 5px;
}

/* Docs Callout Alert Boxes */
.docs-callout {
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin: 18px 0;
  border-left: 4px solid;
  font-size: 0.88rem;
  width: 100%;
  box-sizing: border-box;
  overflow-wrap: break-word;
  word-break: break-word;
}

.docs-callout-info {
  background: var(--accent-primary-soft);
  border-color: var(--accent-primary);
  color: var(--text-main);
}

.docs-callout-warning {
  background: var(--accent-amber-soft);
  border-color: var(--accent-amber);
  color: var(--text-main);
}

.callout-list {
  margin-top: 8px;
  margin-left: 18px;
}

/* Documentation Parameter Tables */
.docs-table-container {
  overflow-x: auto;
  margin: 18px 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  width: 100%;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
}

.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  text-align: left;
}

.docs-table th {
  background: var(--bg-secondary);
  padding: 10px 14px;
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.docs-table td {
  padding: 10px 14px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

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

.docs-table code {
  font-family: var(--font-mono);
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
  padding: 2px 5px;
  border-radius: 4px;
  font-size: 0.78rem;
}

/* 404 Error Page Styles */
.error-hero {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}

.error-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  max-width: 540px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  box-sizing: border-box;
}

.error-code {
  font-family: var(--font-mono);
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.04em;
}

.error-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.error-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 28px;
}

.error-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Pre-Footer Newsletter CTA Banner */
.newsletter-cta-section {
  padding: 48px 0 0;
  width: 100%;
}

.newsletter-cta-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 36px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 36px;
}

@media (max-width: 860px) {
  .newsletter-cta-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 20px;
    gap: 20px;
  }
}

.newsletter-cta-content {
  max-width: 500px;
}

.newsletter-cta-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.newsletter-cta-subtext {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.newsletter-cta-form {
  flex-shrink: 0;
  width: 100%;
  max-width: 420px;
}

.newsletter-cta-group {
  display: flex;
  gap: 10px;
  width: 100%;
}

.newsletter-cta-input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.88rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-main);
  transition: var(--transition-fast);
}

.newsletter-cta-input:focus {
  border-color: var(--accent-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-primary-soft);
}

.newsletter-cta-btn {
  padding: 10px 20px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--accent-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.newsletter-cta-btn:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .newsletter-cta-btn {
  background: var(--accent-primary);
  color: #140205;
}

[data-theme="dark"] .newsletter-cta-btn:hover {
  background: var(--accent-primary-hover);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  padding: 48px 0 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
  width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
  width: 100%;
}

@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

.footer-brand-box {
  display: flex;
  flex-direction: column;
}

.footer-logo-box {
  margin-bottom: 12px;
}

.footer-logo-svg {
  width: 28px;
  height: 28px;
}

.footer-about-text {
  max-width: 340px;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-size: 0.92rem;
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-fast);
  font-size: 0.85rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-faint);
}

/* =========================================================================
   Legal, Privacy & Disclaimer Page Layout (100% Theme-Adaptive)
   ========================================================================= */
.legal-main {
  padding: 60px 0 80px;
}

.legal-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px;
}

.legal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  margin-top: 20px;
  box-sizing: border-box;
  overflow-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
}

@media (max-width: 600px) {
  .legal-card {
    padding: 24px 18px;
  }
  .legal-main {
    padding: 30px 0 50px;
  }
}

.legal-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 24px;
  margin-bottom: 30px;
}

.legal-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--accent-primary-soft);
  color: var(--accent-primary);
  border: 1px solid var(--border-subtle);
  margin-bottom: 14px;
}

.legal-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 10px;
}

@media (max-width: 600px) {
  .legal-title {
    font-size: 1.7rem;
  }
}

.legal-meta {
  font-size: 0.85rem;
  color: var(--text-faint);
}

.legal-section {
  margin-bottom: 32px;
}

.legal-section h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.legal-section p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 14px;
}

.legal-section ul {
  margin-left: 20px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.legal-section li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.legal-section a {
  color: var(--accent-primary);
  word-break: break-all;
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition-fast);
}

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

.legal-highlight-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.92rem;
  color: var(--text-main);
}