/* ===========================================
   Remora Website - Design System
   Modern, Tech-Appropriate, Professional
   Light Mode Default with Dark Mode Toggle
   =========================================== */

/* Fonts are imported via Astro layout (Base.astro) using @fontsource packages */

/* ===========================================
   CSS Variables - Dark Mode (Default)
   =========================================== */
:root {
  /* Backgrounds (Dark, layered - not pure black) */
  --bg-base: #0a0a0b;
  --bg-primary: #111113;
  --bg-secondary: #18181b;
  --bg-tertiary: #1f1f23;
  --bg-elevated: #27272a;
  --bg-surface: #3f3f46;

  /* Text Colors */
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-inverse: #fefefe;

  /* Accent Colors (Muted, professional tones) */
  --accent-blue: #5A8BCC;
  --accent-blue-hover: #6E9DD8;
  --accent-blue-muted: #4A7BB8;
  --accent-blue-subtle: rgba(90, 139, 204, 0.15);
  --accent-blue-border: rgba(90, 139, 204, 0.3);
  --accent-teal: #64B5C7;
  --accent-teal-muted: rgba(100, 181, 199, 0.15);
  --accent-teal-border: rgba(100, 181, 199, 0.3);
  --accent-coral: #C4896C;
  --accent-coral-muted: rgba(196, 137, 108, 0.15);
  --accent-coral-border: rgba(196, 137, 108, 0.3);
  --accent-purple: #8B7EC8;
  --accent-purple-muted: rgba(139, 126, 200, 0.15);
  --accent-purple-border: rgba(139, 126, 200, 0.3);
  --accent-green: #5CB88A;
  --accent-indigo: #7B8FBF;

  /* Topographic depth colors - warm (east/shallow) to cool (west/deep) */
  --topo-shelf: #7EC4A8;
  --topo-slope: #64B5C7;
  --topo-canyon: #4A8DC8;
  --topo-basin: #5A8BCC;
  --topo-abyss: #3B4B9C;
  --topo-seamount: #4B4088;

  /* Platform Colors */
  --platform-perplexity: #6366f1;
  --platform-claude: #D4854F;
  --platform-gemini: #5A8BCC;
  --platform-chatgpt: #4A9B7A;

  /* Semantic Colors */
  --color-success: #5CB88A;
  --color-success-muted: rgba(92, 184, 138, 0.15);
  --color-warning: #D4A054;
  --color-warning-muted: rgba(212, 160, 84, 0.15);
  --color-error: #D06060;
  --color-error-muted: rgba(208, 96, 96, 0.15);

  /* Borders */
  --border-color: #27272a;
  --border-subtle: #3f3f46;
  --border-hover: #52525b;
  --border-radius-sm: 6px;
  --border-radius: 8px;
  --border-radius-md: 10px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-2xl: 20px;
  --border-radius-pill: 999px;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 48px;
  --spacing-4xl: 64px;
  --spacing-5xl: 80px;
  --spacing-6xl: 120px;

  /* Shadows (darker for dark mode) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 40px rgba(46, 92, 156, 0.3);
  --shadow-glow-sm: 0 0 20px rgba(46, 92, 156, 0.2);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.12);

  /* Nav background */
  --nav-bg-scrolled: rgba(10, 10, 11, 0.9);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.2s ease;
  --transition-slow: 0.3s ease;
  --transition-slower: 0.5s ease;

  /* Typography */
  --font-sans: 'Geist Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;

  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 15px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 32px;
  --font-size-5xl: 40px;
  --font-size-6xl: 48px;
  --font-size-7xl: 56px;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Layout */
  --content-max-width: 1200px;
  --content-wide: 1400px;
  --nav-height: 72px;

  /* Size tokens */
  --size-icon-sm: 16px;
  --size-icon-base: 20px;
  --size-icon-lg: 24px;
  --size-button-sm: 32px;
  --size-button-md: 40px;
  --size-logo-icon: 42px;
  --hamburger-line-height: 2px;
  --hamburger-offset: 5px;
}

/* ===========================================
   Light Mode
   =========================================== */
[data-theme="light"] {
  /* Backgrounds (Light, layered - warm off-white) */
  --bg-base: #fafaf9;
  --bg-primary: #f5f5f4;
  --bg-secondary: #fefefe;
  --bg-tertiary: #f5f5f4;
  --bg-elevated: #fefefe;
  --bg-surface: #e7e5e4;

  /* Text Colors (dark gray, not pure black) */
  --text-primary: #1c1917;
  --text-secondary: #57534e;
  --text-muted: #a8a29e;
  --text-inverse: #fefefe;

  /* Accent Colors (Slightly deeper for light mode contrast) */
  --accent-blue: #4A7BB8;
  --accent-blue-hover: #3A6BA8;
  --accent-blue-muted: #3A6BA8;
  --accent-blue-subtle: rgba(74, 123, 184, 0.12);
  --accent-blue-border: rgba(74, 123, 184, 0.25);
  --accent-teal: #4A9EA8;
  --accent-teal-muted: rgba(74, 158, 168, 0.1);
  --accent-teal-border: rgba(74, 158, 168, 0.25);
  --accent-coral: #B5785A;
  --accent-coral-muted: rgba(181, 120, 90, 0.1);
  --accent-coral-border: rgba(181, 120, 90, 0.25);
  --accent-purple: #7A6DB8;
  --accent-purple-muted: rgba(122, 109, 184, 0.1);
  --accent-purple-border: rgba(122, 109, 184, 0.25);
  --accent-green: #4CA77A;
  --accent-indigo: #6B7FB0;

  /* Topographic depth colors - warm (east/shallow) to cool (west/deep) */
  --topo-shelf: #4A9E8A;
  --topo-slope: #4A9EA8;
  --topo-canyon: #4080B8;
  --topo-basin: #4A7BB8;
  --topo-abyss: #354588;
  --topo-seamount: #453880;

  /* Platform Colors */
  --platform-perplexity: #5558e3;
  --platform-claude: #C47545;
  --platform-gemini: #4A7BB8;
  --platform-chatgpt: #3A8B6A;

  /* Semantic Colors */
  --color-success: #4CA77A;
  --color-success-muted: rgba(76, 167, 122, 0.12);
  --color-warning: #C4904A;
  --color-warning-muted: rgba(196, 144, 74, 0.12);
  --color-error: #C05050;
  --color-error-muted: rgba(192, 80, 80, 0.12);

  /* Borders */
  --border-color: #e7e5e4;
  --border-subtle: #d6d3d1;
  --border-hover: #a8a29e;

  /* Shadows (lighter for light mode) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(43, 85, 145, 0.15);
  --shadow-glow-sm: 0 0 20px rgba(43, 85, 145, 0.1);

  /* Glassmorphism (darker for light mode) */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-hover: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.06);
  --glass-border-hover: rgba(0, 0, 0, 0.1);

  /* Nav background */
  --nav-bg-scrolled: rgba(250, 250, 249, 0.9);
}

/* Light mode button adjustments */
[data-theme="light"] .btn--primary {
  box-shadow:
    0 0 20px -5px color-mix(in srgb, var(--topo-basin) 40%, transparent),
    0 2px 4px 0 rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .btn--primary:hover {
  box-shadow:
    0 0 30px -3px color-mix(in srgb, var(--topo-basin) 50%, transparent),
    0 0 50px -10px color-mix(in srgb, var(--topo-abyss) 30%, transparent),
    0 4px 8px 0 rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .btn--primary:active {
  box-shadow:
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.15),
    0 0 15px -5px color-mix(in srgb, var(--topo-basin) 30%, transparent);
}

[data-theme="light"] .btn--secondary {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.8) 0%,
    rgba(255, 255, 255, 0.4) 50%,
    rgba(0, 0, 0, 0.02) 100%
  );
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.8),
    0 1px 3px 0 rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .btn--secondary:hover {
  border-color: color-mix(in srgb, var(--topo-slope) 40%, var(--border-subtle));
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.9),
    0 0 16px -4px color-mix(in srgb, var(--topo-slope) 30%, transparent),
    0 2px 6px 0 rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .btn--secondary:active {
  transform: translateY(1px) scale(0.98);
  border-color: color-mix(in srgb, var(--topo-abyss) 30%, var(--border-color));
  box-shadow:
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.12),
    inset 0 1px 1px 0 rgba(0, 0, 0, 0.08),
    0 0 8px -3px color-mix(in srgb, var(--topo-abyss) 20%, transparent);
}

/* Light mode noise adjustment */
[data-theme="light"] .btn::before {
  opacity: 0.04;
  mix-blend-mode: multiply;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--text-primary);
  background: var(--bg-base);
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

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

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

/* ===========================================
   Utility Classes
   =========================================== */
.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  margin-bottom: var(--spacing-lg);
}

/* ===========================================
   Buttons
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* Noise/grain texture overlay */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 150px 150px;
  opacity: 0.04;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
  border-radius: inherit;
}

.btn--primary {
  background: var(--topo-basin);
  color: white;
  box-shadow:
    0 0 20px -5px color-mix(in srgb, var(--topo-basin) 50%, transparent),
    0 2px 4px 0 rgba(0, 0, 0, 0.2);
}

.btn--primary:hover {
  background: var(--topo-basin);
  box-shadow:
    0 0 30px -3px color-mix(in srgb, var(--topo-basin) 60%, transparent),
    0 0 50px -10px color-mix(in srgb, var(--topo-abyss) 40%, transparent),
    0 4px 8px 0 rgba(0, 0, 0, 0.2);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(1px) scale(0.98);
  background: color-mix(in srgb, var(--topo-basin) 85%, black 15%);
  box-shadow:
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.25),
    0 0 15px -5px color-mix(in srgb, var(--topo-basin) 40%, transparent);
}

.btn--secondary {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.03) 0%,
    transparent 50%,
    rgba(0, 0, 0, 0.02) 100%
  );
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.04),
    0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.btn--secondary:hover {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--topo-slope) 8%, transparent) 0%,
    color-mix(in srgb, var(--topo-basin) 5%, var(--bg-secondary)) 50%,
    rgba(0, 0, 0, 0.03) 100%
  );
  color: var(--text-primary);
  border-color: color-mix(in srgb, var(--topo-slope) 30%, var(--border-subtle));
  box-shadow:
    inset 0 1px 0 0 rgba(255, 255, 255, 0.06),
    0 0 12px -3px color-mix(in srgb, var(--topo-slope) 10%, transparent),
    0 2px 4px 0 rgba(0, 0, 0, 0.08);
}

.btn--secondary:active {
  transform: translateY(1px) scale(0.98);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--topo-basin) 12%, var(--bg-secondary)) 0%,
    color-mix(in srgb, var(--topo-abyss) 8%, var(--bg-tertiary)) 100%
  );
  border-color: color-mix(in srgb, var(--topo-abyss) 20%, var(--border-color));
  box-shadow:
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.15),
    inset 0 1px 1px 0 rgba(0, 0, 0, 0.1),
    0 0 6px -2px color-mix(in srgb, var(--topo-abyss) 6%, transparent);
}

.btn--large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  border-radius: var(--border-radius-md);
}

.btn--full {
  width: 100%;
}

/* ===========================================
   Navigation
   =========================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--spacing-lg) 0;
  transition: all var(--transition-normal);
}

.nav--scrolled {
  background: var(--nav-bg-scrolled);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md) 0;
}

.nav__container {
  position: relative;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.nav__logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--size-logo-icon);
  height: var(--size-logo-icon);
}

.nav__logo-icon svg {
  width: 100%;
  height: 100%;
}

.nav__logo-text {
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  font-size: 24px;
}

.nav__links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.nav__link {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

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

/* Mobile CTA - shown only on mobile, keeps Start Free Trial visible */
.nav__cta-mobile {
  display: none;
  margin-right: var(--spacing-md);
}

.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: var(--hamburger-offset);
  width: var(--size-button-sm);
  height: var(--size-button-sm);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav__mobile-toggle span {
  display: block;
  width: 100%;
  height: var(--hamburger-line-height);
  background: var(--text-primary);
  border-radius: var(--hamburger-line-height);
  transition: all var(--transition-fast);
}

.nav__mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(var(--hamburger-offset), var(--hamburger-offset));
}

.nav__mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(var(--hamburger-offset), calc(var(--hamburger-offset) * -1));
}

.nav__mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-base);
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 99;
}

.nav__mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.nav__mobile-link {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--size-button-md);
  height: var(--size-button-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: var(--size-icon-base);
  height: var(--size-icon-base);
}

.theme-toggle .icon-sun {
  display: block;
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.theme-toggle--mobile {
  width: 100%;
  justify-content: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  border-radius: 0;
}

.theme-toggle--mobile:hover {
  background: transparent;
}

.theme-toggle__label {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}

/* ===========================================
   Hero Section
   =========================================== */
.hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--spacing-5xl)) 0 var(--spacing-4xl);
  overflow: hidden;
}

.hero__container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--accent-blue-subtle);
  border: 1px solid var(--accent-blue-border);
  border-radius: var(--border-radius-pill);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--accent-blue);
  margin-bottom: var(--spacing-2xl);
}

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

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

.hero__title {
  font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero__title-gradient {
  display: inline;
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-teal) 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

/* Hero stat rotating colors */
.hero__stat:nth-child(1) .hero__stat-number { color: var(--accent-blue); }
.hero__stat:nth-child(2) .hero__stat-number { color: var(--accent-teal); }
.hero__stat:nth-child(3) .hero__stat-number { color: var(--accent-purple); }

.hero__stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hero Screenshot */
.hero__screenshot {
  max-width: var(--content-max-width);
  margin: var(--spacing-3xl) auto 0;
  padding: 0 var(--spacing-xl);
}

/* Hero Glows */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  pointer-events: none;
}

.hero__glow--1 {
  width: 600px;
  height: 600px;
  background: var(--accent-teal);
  top: -200px;
  right: -200px;
  opacity: 0.15;
}

.hero__glow--2 {
  width: 500px;
  height: 500px;
  background: var(--accent-purple);
  bottom: -100px;
  left: -200px;
  opacity: 0.1;
}

/* ===========================================
   Screenshot Component
   =========================================== */
.screenshot {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.screenshot--hero {
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.screenshot__browser {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.screenshot__browser-dots {
  display: flex;
  gap: var(--spacing-sm);
}

.screenshot__browser-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-surface);
}

.screenshot__browser-dots span:nth-child(1) {
  background: #ff5f57;
}

.screenshot__browser-dots span:nth-child(2) {
  background: #febc2e;
}

.screenshot__browser-dots span:nth-child(3) {
  background: #28c840;
}

.screenshot__browser-url {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.screenshot__content {
  padding: var(--spacing-xl);
  min-height: 300px;
}

/* Screenshot Placeholder Styles */
.screenshot__placeholder {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
}

.screenshot__placeholder-header {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.placeholder-metric {
  background: var(--bg-tertiary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.placeholder-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.placeholder-value {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.placeholder-trend {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.placeholder-trend.positive {
  color: var(--color-success);
}

.screenshot__placeholder-chart {
  background: var(--bg-tertiary);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  height: 120px;
  display: flex;
  align-items: flex-end;
}

.placeholder-chart-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-md);
  width: 100%;
  height: 100%;
}

.placeholder-chart-bars .bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent-blue) 0%, var(--accent-blue-muted) 100%);
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  min-height: 20px;
}

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

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

.platform-name {
  width: 80px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.platform-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-pill);
  overflow: hidden;
}

.platform-fill {
  height: 100%;
  background: var(--accent-blue);
  border-radius: var(--border-radius-pill);
  transition: width var(--transition-slow);
}

.platform-percent {
  width: 40px;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  text-align: right;
}

/* ===========================================
   Platforms Section
   =========================================== */
.platforms {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.platforms__container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  text-align: center;
}

.platforms__label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-2xl);
}

.platforms__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-4xl);
  flex-wrap: wrap;
}

.platforms__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  cursor: default;
  transition: all var(--transition-fast);
}

.platforms__icon {
  width: 48px;
  height: 48px;
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.platforms__name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.platforms__logo:hover .platforms__icon {
  transform: scale(1.1);
}

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

/* Platform brand colors */
.platforms__logo:nth-child(1) .platforms__icon { color: var(--platform-chatgpt); }
.platforms__logo:nth-child(2) .platforms__icon { color: var(--platform-claude); }
.platforms__logo:nth-child(3) .platforms__icon { color: var(--platform-gemini); }
.platforms__logo:nth-child(4) .platforms__icon { color: var(--platform-perplexity); }

/* ===========================================
   Problem Section
   =========================================== */
.problem {
  padding: var(--spacing-5xl) 0;
}

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

.problem__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-snug);
}

.problem__text {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-lg);
}

.problem__subhead {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.problem__closing {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--accent);
  margin-top: var(--spacing-xl);
  font-style: italic;
}

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

.problem__list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.problem__list svg {
  flex-shrink: 0;
  color: var(--accent-coral);
}

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

.problem__card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.problem__card:hover {
  border-color: var(--border-subtle);
  transform: translateX(8px);
}

.problem__card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-coral-muted);
  color: var(--accent-coral);
  border-radius: var(--border-radius);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.problem__card p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  font-style: italic;
}

/* ===========================================
   Features Section
   =========================================== */
.features {
  padding: var(--spacing-5xl) 0;
  background: var(--bg-primary);
}

.features__container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.features__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-3xl);
}

.features__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.features__subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  border-color: var(--accent-blue-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

.feature-card__icon svg {
  color: var(--accent-blue);
}

/* Feature icon color rotation */
.feature-card:nth-child(1) .feature-card__icon { background: var(--accent-blue-subtle); }
.feature-card:nth-child(1) .feature-card__icon svg { color: var(--accent-blue); }
.feature-card:nth-child(2) .feature-card__icon { background: var(--accent-teal-muted); }
.feature-card:nth-child(2) .feature-card__icon svg { color: var(--accent-teal); }
.feature-card:nth-child(3) .feature-card__icon { background: var(--accent-purple-muted); }
.feature-card:nth-child(3) .feature-card__icon svg { color: var(--accent-purple); }
.feature-card:nth-child(4) .feature-card__icon { background: var(--accent-teal-muted); }
.feature-card:nth-child(4) .feature-card__icon svg { color: var(--accent-teal); }
.feature-card:nth-child(5) .feature-card__icon { background: var(--accent-coral-muted); }
.feature-card:nth-child(5) .feature-card__icon svg { color: var(--accent-coral); }
.feature-card:nth-child(6) .feature-card__icon { background: var(--accent-purple-muted); }
.feature-card:nth-child(6) .feature-card__icon svg { color: var(--accent-purple); }

.feature-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-card__text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ===========================================
   Product Section
   =========================================== */
.product {
  padding: var(--spacing-5xl) 0;
}

.product__container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.product__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-3xl);
}

.product__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.product__showcase {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-3xl);
  align-items: center;
  margin-bottom: var(--spacing-4xl);
}

.product__showcase--reverse {
  grid-template-columns: 1.2fr 1fr;
}

.product__showcase--reverse .product__showcase-content {
  order: 2;
}

.product__showcase--reverse .product__showcase-image {
  order: 1;
}

.product__showcase-content h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.product__showcase-content p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-xl);
}

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

.product__showcase-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.product__showcase-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-blue);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Your Brand Placeholder */
.screenshot__placeholder--yourbrand {
  padding: var(--spacing-lg);
}

.yourbrand-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

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

.yourbrand-avatar {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue);
  color: white;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  border-radius: var(--border-radius);
}

.yourbrand-info {
  display: flex;
  flex-direction: column;
}

.yourbrand-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.yourbrand-category {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.yourbrand-metrics {
  display: flex;
  gap: var(--spacing-lg);
}

.metric-card {
  background: var(--bg-tertiary);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
}

.metric-label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.metric-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.yourbrand-section {
  margin-top: var(--spacing-lg);
}

.section-title {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.attribute-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag {
  display: inline-flex;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-sm);
}

.tag--feature {
  background: var(--accent-blue-subtle);
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue-border);
}

.tag--activity {
  background: var(--accent-teal-muted);
  color: var(--accent-teal);
  border: 1px solid var(--accent-teal-border);
}

/* Competitors Placeholder */
.screenshot__placeholder--competitors {
  padding: var(--spacing-lg);
}

.competitors-header {
  margin-bottom: var(--spacing-xl);
}

.competitors-chart {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.pie-chart {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: conic-gradient(
    var(--accent-blue) 0deg 115deg,
    var(--accent-teal) 115deg 216deg,
    var(--accent-purple) 216deg 295deg,
    var(--accent-coral) 295deg 360deg
  );
  position: relative;
}

.pie-chart::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: var(--bg-primary);
  border-radius: 50%;
}

.competitors-legend {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.legend-color.color-1 { background: var(--accent-blue); }
.legend-color.color-2 { background: var(--accent-teal); }
.legend-color.color-3 { background: var(--accent-purple); }
.legend-color.color-4 { background: var(--accent-coral); }

/* Gaps Placeholder */
.screenshot__placeholder--gaps {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.gaps-section {
  background: var(--bg-tertiary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
}

.gap-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
}

.gap-item:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
}

.gap-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: var(--font-size-sm);
}

.gap-item--strength .gap-icon {
  background: var(--color-success-muted);
  color: var(--color-success);
}

.gap-item--gap .gap-icon {
  background: var(--color-warning-muted);
  color: var(--color-warning);
}

.gap-name {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
}

.gap-percent {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
}

/* ===========================================
   Differentiator Section - PROMINENT BRAND SECTION
   =========================================== */
.differentiator {
  background: var(--bg-primary);
}

/* Hero area with big tagline */
.differentiator__hero {
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  text-align: center;
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-color);
}

.differentiator__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.differentiator__hero-title {
  font-size: clamp(var(--font-size-5xl), 6vw, var(--font-size-7xl));
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-xl);
}

.differentiator__hero-highlight {
  display: block;
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-teal) 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.differentiator__hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

/* Story narrative section */
.differentiator__story {
  padding: var(--spacing-3xl) 0 var(--spacing-4xl);
}

.differentiator__story-container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.differentiator__narrative {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.differentiator__chapter {
  display: flex;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
}

.differentiator__chapter:hover {
  border-color: var(--border-subtle);
  transform: translateX(4px);
}

.differentiator__chapter--highlight {
  background: var(--accent-blue-subtle);
  border-color: var(--accent-blue-border);
}

.differentiator__chapter--highlight:hover {
  border-color: var(--accent-blue);
}

.differentiator__chapter-number {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--accent-teal);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--accent-teal-muted);
  border-radius: var(--border-radius-sm);
  height: fit-content;
}

.differentiator__chapter-content h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.differentiator__chapter-content p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.differentiator__chapter-content p + p {
  margin-top: var(--spacing-md);
}

.differentiator__discovery {
  font-size: var(--font-size-xl) !important;
  color: var(--text-primary) !important;
  margin-bottom: var(--spacing-md) !important;
}

/* Cards */
.differentiator__cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  position: sticky;
  top: calc(var(--nav-height) + var(--spacing-xl));
}

.differentiator__card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.differentiator__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.differentiator__card--do {
  border-color: var(--color-success-muted);
}

.differentiator__card--do:hover {
  border-color: var(--color-success);
}

.differentiator__card--dont {
  border-color: var(--accent-coral-border);
}

.differentiator__card--dont:hover {
  border-color: var(--accent-coral);
}

.differentiator__card-inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xl) var(--spacing-xl) 0;
}

.differentiator__card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  flex-shrink: 0;
}

.differentiator__card--do .differentiator__card-icon {
  background: var(--color-success-muted);
  color: var(--color-success);
}

.differentiator__card--dont .differentiator__card-icon {
  background: var(--accent-coral-muted);
  color: var(--accent-coral);
}

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

.differentiator__card-header {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.differentiator__card-list {
  list-style: none;
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
}

.differentiator__card-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.differentiator__card--do .differentiator__card-list li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.differentiator__card--dont .differentiator__card-list li::before {
  content: '✗';
  color: var(--accent-coral);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

/* Quote section */
.differentiator__quote {
  padding: var(--spacing-4xl) var(--spacing-xl);
  text-align: center;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.differentiator__quote blockquote {
  max-width: 800px;
  margin: 0 auto;
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  line-height: var(--line-height-snug);
  font-style: italic;
}

.differentiator__quote blockquote::before {
  content: '"';
  color: var(--text-primary);
}

.differentiator__quote blockquote::after {
  content: '"';
  color: var(--text-primary);
}

/* ===========================================
   Pricing Section
   =========================================== */
.pricing {
  padding: var(--spacing-5xl) 0;
}

.pricing__container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.pricing__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-3xl);
}

.pricing__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.pricing__subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.pricing-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

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

.pricing-card--featured {
  border-color: var(--accent-teal-border);
  background: linear-gradient(180deg, var(--accent-teal-muted) 0%, var(--bg-secondary) 100%);
}

.pricing-card--featured:hover {
  border-color: var(--accent-teal);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--accent-teal);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--border-radius-pill);
}

.pricing-card__header {
  margin-bottom: var(--spacing-xl);
}

.pricing-card__name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.pricing-card__description {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.pricing-card__price {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
}

.pricing-card__amount {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
}

.pricing-card__period {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
}

.pricing-card__features {
  list-style: none;
  flex: 1;
  margin-bottom: var(--spacing-xl);
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

.pricing-card__features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

.pricing__enterprise {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

.pricing__enterprise a {
  color: var(--accent-blue);
  font-weight: var(--font-weight-medium);
}

.pricing__enterprise a:hover {
  text-decoration: underline;
}

/* Pricing Toggle */
.pricing__toggle {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-2xl);
  background: var(--bg-tertiary);
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-pill);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.pricing__toggle-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-pill);
  background: transparent;
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.pricing__toggle-btn--active {
  background: var(--bg-elevated);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.pricing__toggle-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-success);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* Custom pricing tier styling */
.pricing-card__price--custom .pricing-card__amount {
  font-size: var(--font-size-4xl);
}

.pricing-card__price--custom .pricing-card__period {
  display: block;
  margin-top: var(--spacing-xs);
}

/* ===========================================
   CTA Section
   =========================================== */
.cta {
  position: relative;
  padding: var(--spacing-5xl) 0;
  background: var(--bg-primary);
  text-align: center;
  overflow: hidden;
}

.cta__container {
  position: relative;
  z-index: 1;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.cta__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.cta__text {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--line-height-relaxed);
}

.cta__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(
    ellipse,
    color-mix(in srgb, var(--accent-blue) 40%, transparent) 0%,
    color-mix(in srgb, var(--accent-teal) 25%, transparent) 35%,
    color-mix(in srgb, var(--accent-purple) 15%, transparent) 60%,
    transparent 80%
  );
  opacity: 0.15;
  pointer-events: none;
}

/* ===========================================
   Footer
   =========================================== */
.footer {
  padding: var(--spacing-4xl) 0 var(--spacing-2xl);
  border-top: 1px solid var(--border-color);
}

.footer__container {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer__socials {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.footer__socials a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer__socials svg {
  width: 20px;
  height: 20px;
}

.footer__links {
  display: flex;
  gap: var(--spacing-3xl);
}

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

.footer__column h4 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.footer__column a {
  font-size: var(--font-size-base);
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer__bottom {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-xl) 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer__bottom p {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ===========================================
   Responsive Design
   =========================================== */
@media (max-width: 1024px) {
  /* Navbar switches to mobile mode at 1024px to prevent overlap */
  .nav__links,
  .nav__actions {
    display: none;
  }

  .nav__mobile-toggle {
    display: flex;
    order: 11;
    flex-shrink: 0;
  }

  .nav__cta-mobile {
    display: inline-flex;
    margin-left: auto;
    margin-right: var(--spacing-md);
    order: 10;
  }

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

  .product__showcase {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .product__showcase--reverse .product__showcase-content,
  .product__showcase--reverse .product__showcase-image {
    order: unset;
  }

  .differentiator__story-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .differentiator__cards {
    position: static;
    flex-direction: row;
  }

  .differentiator__card {
    flex: 1;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
  }

  .problem__container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-6xl: 80px;
  }

  .hero__title {
    font-size: var(--font-size-4xl);
  }

  .hero__cta {
    flex-direction: column;
  }

  .hero__stats {
    gap: var(--spacing-xl);
  }

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

  .platforms__logos {
    gap: var(--spacing-xl);
  }

  .screenshot__placeholder-header {
    grid-template-columns: 1fr;
  }

  .differentiator__cards {
    flex-direction: column;
  }

  .differentiator__chapter {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .footer__container {
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  .footer__links {
    flex-wrap: wrap;
    gap: var(--spacing-xl);
  }

  .yourbrand-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .competitors-chart {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .hero__stat-number {
    font-size: var(--font-size-2xl);
  }

  .pricing-card {
    padding: var(--spacing-xl);
  }

  .btn--large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
  }
}

/* ===========================================
   Animations
   =========================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__badge,
.hero__title,
.hero__subtitle,
.hero__cta,
.hero__stats {
  animation: fadeInUp 0.6s ease-out backwards;
}

.hero__title {
  animation-delay: 0.1s;
}

.hero__subtitle {
  animation-delay: 0.2s;
}

.hero__cta {
  animation-delay: 0.3s;
}

.hero__stats {
  animation-delay: 0.4s;
}

.hero__screenshot {
  animation: fadeInUp 0.8s ease-out 0.5s backwards;
}

/* Smooth scroll behavior for anchor links */
html {
  scroll-padding-top: var(--nav-height);
}

/* ===========================================
   Modal Styles
   =========================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  width: 100%;
  max-width: 480px;
  margin: var(--spacing-lg);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal.active .modal__content {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal__close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.modal__subtitle {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

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

.form__group {
  width: 100%;
}

.form__input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form__input:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-subtle);
}

.form__textarea {
  resize: none;
  min-height: 80px;
  font-family: inherit;
  line-height: var(--line-height-normal);
  overflow: hidden;
}

.modal__form .btn {
  margin-top: var(--spacing-sm);
}

/* Body scroll lock when modal is open */
body.modal-open {
  overflow: hidden;
}

/* ===========================================
   Demo Page Styles (Profound-inspired)
   =========================================== */
.demo-page {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--spacing-4xl)) var(--spacing-xl) var(--spacing-3xl);
}

/* Split layout container */
.demo-page__container {
  width: 100%;
  max-width: 1100px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

/* Left content - no visible border, content floats */
.demo-info {
  padding: 0;
  background: transparent;
  border: none;
}

/* Profound-style hierarchy */
.demo-info__label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-md);
}

.demo-info__title {
  font-family: var(--font-sans);
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.demo-info__intro {
  font-family: var(--font-sans);
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: var(--line-height-relaxed);
  letter-spacing: -0.01em;
}

/* Checkmark list (no vertical bar) */
.demo-info__checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-xl);
}

.demo-info__checklist li {
  position: relative;
  padding-left: calc(var(--spacing-xl) + 4px);
  margin-bottom: var(--spacing-md);
  font-family: var(--font-sans);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  letter-spacing: -0.01em;
}

.demo-info__checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--topo-slope);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.demo-info__meta {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
  color: var(--text-muted);
  margin-top: var(--spacing-xl);
  letter-spacing: -0.01em;
}

/* Desktop: hide collapsible UI, always show content */
.demo-info__toggle {
  display: none;
}

.demo-info__collapsible {
  display: block;
}

/* Force content visible on desktop regardless of open state */
.demo-info__content {
  display: block !important;
}

/* Form container - glassmorphism with gradient border glow */
.demo-form-container {
  position: relative;
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  isolation: isolate;

  /* Glassmorphism - semi-transparent background */
  background: color-mix(in srgb, var(--bg-secondary) 70%, transparent);

  /* Backdrop blur - topo shows through */
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  /* No border - use inset shadow for subtle depression */
  border: none;

  /* Inset shadow + corner glows */
  box-shadow:
    /* Inset shadow - creates sunken/depression feel */
    inset 0 2px 8px -2px rgba(0, 0, 0, 0.25),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    /* Top-left: shelf (teal-green) */
    -15px -12px 50px -15px color-mix(in srgb, var(--topo-shelf) 12%, transparent),
    /* Top-right: slope (teal) */
    15px -12px 50px -15px color-mix(in srgb, var(--topo-slope) 12%, transparent),
    /* Bottom-left: canyon (blue-teal) */
    -15px 12px 50px -15px color-mix(in srgb, var(--topo-canyon) 12%, transparent),
    /* Bottom-right: basin (blue) */
    15px 12px 50px -15px color-mix(in srgb, var(--topo-basin) 15%, transparent),
    /* Ambient glow */
    0 0 80px -20px color-mix(in srgb, var(--topo-abyss) 10%, transparent);
}

/* Noise texture overlay */
.demo-form-container::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 150px 150px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
  border-radius: inherit;
}

/* Atmospheric depth gradients - enhanced corner glows */
.demo-form-container::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  border-radius: inherit;

  background:
    /* Top-left: shelf (warm teal-green) */
    radial-gradient(
      ellipse 180px 140px at 0% 0%,
      color-mix(in srgb, var(--topo-shelf) 10%, transparent) 0%,
      transparent 70%
    ),
    /* Top-right: slope (teal) */
    radial-gradient(
      ellipse 150px 120px at 100% 0%,
      color-mix(in srgb, var(--topo-slope) 8%, transparent) 0%,
      transparent 70%
    ),
    /* Bottom-left: canyon (blue-teal) */
    radial-gradient(
      ellipse 160px 130px at 0% 100%,
      color-mix(in srgb, var(--topo-canyon) 8%, transparent) 0%,
      transparent 70%
    ),
    /* Bottom-right: basin (bright blue) */
    radial-gradient(
      ellipse 200px 160px at 100% 100%,
      color-mix(in srgb, var(--topo-basin) 12%, transparent) 0%,
      transparent 70%
    ),
    /* Subtle top highlight */
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.04) 0%,
      transparent 15%,
      transparent 85%,
      rgba(0, 0, 0, 0.03) 100%
    );
}

/* Content z-index */
.demo-form-container > * {
  position: relative;
  z-index: 2;
}

.demo-form__header {
  font-family: var(--font-sans);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  line-height: var(--line-height-snug);
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-xl);
}

/* Demo Form */
.demo-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.demo-form__group {
  position: relative;
  width: 100%;
}

.demo-form__input {
  width: 100%;
  padding: var(--spacing-lg);
  padding-right: calc(var(--spacing-lg) + 1rem);
  background: var(--bg-tertiary);
  border: 1px solid color-mix(in srgb, var(--border-color) 15%, transparent);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  letter-spacing: -0.01em;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.demo-form__input::placeholder {
  color: var(--text-muted);
  font-weight: var(--font-weight-normal);
  opacity: 1;
}

/* Required indicator */
.demo-form__required {
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
  color: #ef4444;
  font-size: var(--font-size-sm);
  pointer-events: none;
}

/* Hide required indicator for textarea (optional field) */
.demo-form__group:has(.demo-form__textarea) .demo-form__required {
  display: none;
}

/* Hide required indicator for select (chevron occupies same space) */
.demo-form__group:has(.demo-form__select) .demo-form__required {
  display: none;
}

/* Focus states with unique topo colors per field */
.demo-form__input:focus {
  outline: none;
}

/* Name field: shelf (warm teal-green) */
.demo-form__input[name="name"]:focus {
  border-color: var(--topo-shelf);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--topo-shelf) 20%, transparent);
}

/* Email field: slope (teal) */
.demo-form__input[name="email"]:focus {
  border-color: var(--topo-slope);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--topo-slope) 20%, transparent);
}

/* Company field: canyon (blue-teal) */
.demo-form__input[name="company"]:focus {
  border-color: var(--topo-canyon);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--topo-canyon) 20%, transparent);
}

/* Company size select: basin (blue) */
.demo-form__input[name="companySize"]:focus {
  border-color: var(--topo-basin);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--topo-basin) 20%, transparent);
}

/* About textarea: abyss (blue-purple) */
.demo-form__input[name="about"]:focus {
  border-color: var(--topo-abyss);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--topo-abyss) 20%, transparent);
}

/* Select/dropdown styling */
.demo-form__select {
  appearance: none;
  cursor: pointer;
  font-family: var(--font-sans);
  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='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-lg) center;
  background-size: 16px;
  padding-right: calc(var(--spacing-lg) * 2 + 16px);
}

.demo-form__select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  padding: var(--spacing-sm);
}

/* Textarea */
.demo-form__textarea {
  resize: none;
  min-height: 100px;
  font-family: var(--font-sans);
  line-height: var(--line-height-relaxed);
  overflow: hidden;
  padding-right: var(--spacing-lg);
}

.demo-form .btn {
  margin-top: var(--spacing-md);
}

/* Alternative contact link */
.demo-form__alt-contact {
  margin-top: var(--spacing-xl);
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-align: center;
  letter-spacing: -0.01em;
}

.demo-form__alt-contact a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

.demo-form__alt-contact a:hover {
  color: var(--text-primary);
}

/* Light mode adjustments */
[data-theme="light"] .demo-form-container {
  /* Glassmorphism - semi-transparent for light mode */
  background: color-mix(in srgb, var(--bg-primary) 75%, transparent);
  border: none;

  box-shadow:
    /* Inset shadow for light mode - subtle depression */
    inset 0 2px 6px -2px rgba(0, 0, 0, 0.12),
    inset 0 0 0 1px rgba(0, 0, 0, 0.04),
    /* Corner glows */
    -12px -10px 45px -15px color-mix(in srgb, var(--topo-shelf) 12%, transparent),
    12px -10px 45px -15px color-mix(in srgb, var(--topo-slope) 12%, transparent),
    -12px 10px 45px -15px color-mix(in srgb, var(--topo-canyon) 12%, transparent),
    12px 10px 45px -15px color-mix(in srgb, var(--topo-basin) 15%, transparent),
    0 0 60px -15px color-mix(in srgb, var(--topo-abyss) 8%, transparent);
}

[data-theme="light"] .demo-form-container::before {
  opacity: 0.03;
  mix-blend-mode: multiply;
}

[data-theme="light"] .demo-form-container::after {
  background:
    /* Top-left: shelf */
    radial-gradient(
      ellipse 180px 140px at 0% 0%,
      color-mix(in srgb, var(--topo-shelf) 6%, transparent) 0%,
      transparent 70%
    ),
    /* Top-right: slope */
    radial-gradient(
      ellipse 150px 120px at 100% 0%,
      color-mix(in srgb, var(--topo-slope) 5%, transparent) 0%,
      transparent 70%
    ),
    /* Bottom-left: canyon */
    radial-gradient(
      ellipse 160px 130px at 0% 100%,
      color-mix(in srgb, var(--topo-canyon) 5%, transparent) 0%,
      transparent 70%
    ),
    /* Bottom-right: basin */
    radial-gradient(
      ellipse 200px 160px at 100% 100%,
      color-mix(in srgb, var(--topo-basin) 8%, transparent) 0%,
      transparent 70%
    ),
    /* Top highlight */
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.5) 0%,
      transparent 15%,
      transparent 85%,
      rgba(0, 0, 0, 0.02) 100%
    );
}

[data-theme="light"] .demo-form__input {
  background: var(--bg-secondary);
  border-color: color-mix(in srgb, var(--border-color) 20%, transparent);
}

[data-theme="light"] .demo-form__select {
  background-color: var(--bg-secondary);
  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='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-lg) center;
  background-size: 16px;
}

/* Mobile: collapsible + stacked layout */
@media (max-width: 1024px) {
  .demo-page__container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  /* Reorder: form first on mobile, constrain width */
  .demo-form-container {
    order: 1;
    min-width: 340px;
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
  }

  .demo-info {
    order: 2;
    padding: var(--spacing-md);
    background: color-mix(in srgb, var(--bg-secondary) 60%, transparent);
    border-radius: var(--border-radius-lg);
  }

  .demo-info__toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    padding: var(--spacing-sm) 0;
    list-style: none;
  }

  .demo-info__toggle::-webkit-details-marker {
    display: none;
  }

  .demo-info__toggle::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--topo-slope);
    transition: transform var(--transition-fast);
  }

  .demo-info__collapsible:not([open]) .demo-info__toggle::before {
    transform: rotate(-90deg);
  }

  .demo-info__collapsible:not([open]) .demo-info__content {
    display: none !important;
  }

  .demo-info__collapsible[open] .demo-info__content {
    display: block !important;
    padding-top: var(--spacing-md);
  }

  /* Mobile: collapse by default */
  .demo-info__collapsible {
    /* Will be closed by default via JS or HTML attribute */
  }
}

@media (max-width: 480px) {
  .demo-page {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

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

  .demo-info__title {
    font-size: var(--font-size-2xl);
  }
}

/* ===========================================
   Blog Styles
   =========================================== */

/* Blog Index */
.blog-index {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--spacing-3xl)) var(--spacing-lg) var(--spacing-3xl);
  min-height: 100vh;
}

/* Topographic Background */
.topo-bg {
  position: fixed;
  inset: 0;
  z-index: -10;
  pointer-events: none;
  overflow: hidden;
  --cursor-x: 50vw;
  --cursor-y: 50vh;
}

.topo-bg__base,
.topo-bg__highlight {
  position: absolute;
  width: 120%;
  height: 120%;
  top: -10%;
  left: -10%;
  color: var(--text-muted);
}

/* Base layer - always visible, dim */
.topo-bg__base {
  opacity: 0.035;
}

/* Highlight layer - brighter, masked to cursor area with soft falloff */
.topo-bg__highlight {
  opacity: 0.22;
  mask-image: radial-gradient(
    circle at var(--cursor-x) var(--cursor-y),
    black 0%,
    rgba(0, 0, 0, 0.85) 80px,
    rgba(0, 0, 0, 0.5) 180px,
    rgba(0, 0, 0, 0.2) 300px,
    rgba(0, 0, 0, 0.05) 450px,
    transparent 600px
  );
  -webkit-mask-image: radial-gradient(
    circle at var(--cursor-x) var(--cursor-y),
    black 0%,
    rgba(0, 0, 0, 0.85) 80px,
    rgba(0, 0, 0, 0.5) 180px,
    rgba(0, 0, 0, 0.2) 300px,
    rgba(0, 0, 0, 0.05) 450px,
    transparent 600px
  );
}

/* Topographic Depth Color Zones */
.topo-zone--shelf { stroke: var(--topo-shelf); }
.topo-zone--slope { stroke: var(--topo-slope); }
.topo-zone--canyon { stroke: var(--topo-canyon); }
.topo-zone--basin { stroke: var(--topo-basin); }
.topo-zone--abyss { stroke: var(--topo-abyss); }
.topo-zone--seamount { stroke: var(--topo-seamount); }

/* Light mode: boost base layer visibility */
[data-theme="light"] .topo-bg__base {
  opacity: 0.07;
}

.blog-index__header {
  margin-bottom: var(--spacing-2xl);
}

.blog-index__title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.blog-index__rss {
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  flex-shrink: 0;
}

.blog-index__rss:hover {
  color: var(--accent-primary);
}

.blog-index__rss svg {
  width: 24px;
  height: 24px;
}

.blog-index__title {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.blog-index__title-gradient {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-teal) 50%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Blog Filters */
.blog-index__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.blog-filter {
  position: relative;
  font-family: var(--font-sans);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-pill);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  overflow: hidden;
}

.blog-filter::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  border-radius: inherit;
  pointer-events: none;
  opacity: 0.5;
}

.blog-filter:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
}

.blog-filter:active {
  transform: scale(0.97);
}

.blog-filter--active {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
  box-shadow: var(--shadow-glow-sm);
}

/* Blog List */
.blog-index__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-xl);
}

.blog-index__empty {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--text-muted);
  grid-column: 1 / -1;
}

/* Blog Card - Glassmorphism Style */
.blog-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  min-height: 280px;

  /* Glassmorphism background */
  background: color-mix(in srgb, var(--bg-secondary) 70%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  /* Inset shadow for depth + subtle corner glows */
  box-shadow:
    inset 0 2px 8px -2px rgba(0, 0, 0, 0.15),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    -8px -6px 30px -10px color-mix(in srgb, var(--topo-shelf) 3%, transparent),
    8px -6px 30px -10px color-mix(in srgb, var(--topo-slope) 3%, transparent),
    -8px 6px 30px -10px color-mix(in srgb, var(--topo-canyon) 3%, transparent),
    8px 6px 30px -10px color-mix(in srgb, var(--topo-basin) 4%, transparent);

  transition: all var(--transition-normal);
  overflow: hidden;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow:
    inset 0 2px 8px -2px rgba(0, 0, 0, 0.15),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    -10px -8px 40px -10px color-mix(in srgb, var(--topo-shelf) 5%, transparent),
    10px -8px 40px -10px color-mix(in srgb, var(--topo-slope) 5%, transparent),
    -10px 8px 40px -10px color-mix(in srgb, var(--topo-canyon) 5%, transparent),
    10px 8px 40px -10px color-mix(in srgb, var(--topo-basin) 6%, transparent),
    0 20px 40px -15px rgba(0, 0, 0, 0.2);
}

/* Featured post styling */
.blog-card[data-featured="true"] {
  grid-column: 1 / -1;
  background: color-mix(in srgb, var(--bg-secondary) 75%, transparent);
  box-shadow:
    inset 0 2px 10px -2px rgba(0, 0, 0, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    -12px -10px 45px -12px color-mix(in srgb, var(--topo-shelf) 4%, transparent),
    12px -10px 45px -12px color-mix(in srgb, var(--topo-slope) 4%, transparent),
    -12px 10px 45px -12px color-mix(in srgb, var(--topo-canyon) 4%, transparent),
    12px 10px 45px -12px color-mix(in srgb, var(--topo-basin) 5%, transparent);
}

.blog-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: var(--spacing-md);
  text-decoration: none;
  color: inherit;
}

.blog-card__link:hover .blog-card__title {
  color: var(--accent-blue);
}

.blog-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

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

.blog-card__draft {
  background: var(--accent-coral);
  color: white;
  padding: 3px 8px;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: var(--spacing-md);
  align-self: flex-start;
}

.blog-card__category {
  color: var(--text-muted);
  font-weight: 500;
}

.blog-card__title {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-top: auto;
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
  line-height: 1.3;
}

.blog-card[data-featured="true"] .blog-card__title {
  font-size: var(--font-size-4xl);
}

.blog-card__summary {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
}

.blog-card__author {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* Light mode adjustments for blog cards */
[data-theme="light"] .blog-card {
  background: color-mix(in srgb, var(--bg-primary) 75%, transparent);
  box-shadow:
    inset 0 1px 4px -1px rgba(0, 0, 0, 0.08),
    inset 0 0 0 1px rgba(0, 0, 0, 0.04),
    -8px -6px 30px -10px color-mix(in srgb, var(--topo-shelf) 4%, transparent),
    8px -6px 30px -10px color-mix(in srgb, var(--topo-slope) 4%, transparent),
    -8px 6px 30px -10px color-mix(in srgb, var(--topo-canyon) 4%, transparent),
    8px 6px 30px -10px color-mix(in srgb, var(--topo-basin) 5%, transparent);
}

[data-theme="light"] .blog-card:hover {
  box-shadow:
    inset 0 1px 4px -1px rgba(0, 0, 0, 0.08),
    inset 0 0 0 1px rgba(0, 0, 0, 0.05),
    -10px -8px 40px -10px color-mix(in srgb, var(--topo-shelf) 6%, transparent),
    10px -8px 40px -10px color-mix(in srgb, var(--topo-slope) 6%, transparent),
    -10px 8px 40px -10px color-mix(in srgb, var(--topo-canyon) 6%, transparent),
    10px 8px 40px -10px color-mix(in srgb, var(--topo-basin) 8%, transparent),
    0 20px 40px -15px rgba(0, 0, 0, 0.1);
}

/* Blog Post */
.blog-post {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--spacing-3xl)) var(--spacing-lg) var(--spacing-3xl);
}

/* Glass container for article content */
.blog-post__container {
  position: relative;
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);

  /* Glassmorphism background */
  background: color-mix(in srgb, var(--bg-secondary) 70%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);

  /* Inset shadow for depth + corner glows */
  box-shadow:
    inset 0 2px 8px -2px rgba(0, 0, 0, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    -12px -10px 45px -12px color-mix(in srgb, var(--topo-shelf) 10%, transparent),
    12px -10px 45px -12px color-mix(in srgb, var(--topo-slope) 10%, transparent),
    -12px 10px 45px -12px color-mix(in srgb, var(--topo-canyon) 10%, transparent),
    12px 10px 45px -12px color-mix(in srgb, var(--topo-basin) 12%, transparent),
    0 0 60px -15px color-mix(in srgb, var(--topo-abyss) 8%, transparent);
}

/* Light mode glass container */
[data-theme="light"] .blog-post__container {
  background: color-mix(in srgb, var(--bg-primary) 75%, transparent);
  box-shadow:
    inset 0 1px 4px -1px rgba(0, 0, 0, 0.08),
    inset 0 0 0 1px rgba(0, 0, 0, 0.04),
    -12px -10px 45px -12px color-mix(in srgb, var(--topo-shelf) 12%, transparent),
    12px -10px 45px -12px color-mix(in srgb, var(--topo-slope) 12%, transparent),
    -12px 10px 45px -12px color-mix(in srgb, var(--topo-canyon) 12%, transparent),
    12px 10px 45px -12px color-mix(in srgb, var(--topo-basin) 15%, transparent),
    0 0 60px -15px color-mix(in srgb, var(--topo-abyss) 8%, transparent);
}

.blog-post__header {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
}

.blog-post__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
}

.blog-post__draft-badge {
  background: var(--accent-coral);
  color: white;
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blog-post__category {
  background: var(--accent-blue-subtle);
  color: var(--accent-blue);
  padding: 4px 12px;
  border-radius: var(--border-radius-pill);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.blog-post__category:hover {
  background: var(--accent-blue);
  color: white;
}

.blog-post__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.15;
}

.blog-post__summary {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
}

.blog-post__author {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

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

.blog-post__reading-time::before {
  content: '·';
  margin: 0 var(--spacing-sm);
}

/* Table of Contents */
.blog-post__toc {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  margin-top: calc(-1 * var(--spacing-lg));
  margin-bottom: var(--spacing-2xl);
}

.blog-post__toc-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 0 0 var(--spacing-md) 0;
}

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

.blog-post__toc-list li {
  margin-bottom: var(--spacing-xs);
}

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

.blog-post__toc-list a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.blog-post__toc-list a:hover {
  color: var(--accent-primary);
}

.blog-post__content {
  margin-bottom: var(--spacing-2xl);
}

.blog-post__footer {
  padding-top: var(--spacing-xl);
  border-top: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-post__share {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
}

.blog-post__share svg {
  flex-shrink: 0;
}

/* Prose Styles - Academic-friendly typography */
.prose {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--text-primary);
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  font-weight: 600;
  color: var(--text-primary);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.prose h1 { font-size: var(--font-size-2xl); }
.prose h2 { font-size: var(--font-size-xl); }
.prose h3 { font-size: var(--font-size-lg); }
.prose h4 { font-size: var(--font-size-base); }

/* Heading anchor links */
.prose h2 > a,
.prose h3 > a {
  color: inherit;
  text-decoration: none;
}

.prose h2:hover > a::after,
.prose h3:hover > a::after {
  content: ' #';
  color: var(--text-muted);
  font-weight: 400;
}

.prose p {
  margin-bottom: var(--spacing-md);
}

.prose a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.prose strong {
  font-weight: 600;
  color: var(--text-primary);
}

.prose em {
  font-style: italic;
}

.prose ul,
.prose ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

.prose li {
  margin-bottom: var(--spacing-xs);
}

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

.prose blockquote {
  position: relative;
  border-left: 3px solid var(--accent-blue);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  color: var(--text-secondary);
  font-style: italic;
  background: color-mix(in srgb, var(--accent-blue-subtle) 50%, transparent);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.prose blockquote p {
  margin-bottom: 0;
  font-size: 1.5rem;
  line-height: 1.4;
}

.prose blockquote p:not(:last-child) {
  margin-bottom: var(--spacing-sm);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--accent-blue-subtle);
  color: var(--accent-blue);
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
}

.prose pre {
  position: relative;
  background: var(--bg-tertiary);
  border: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
  box-shadow:
    inset 0 2px 4px -1px rgba(0, 0, 0, 0.1),
    0 4px 12px -4px rgba(0, 0, 0, 0.15);
}

.prose pre code {
  background: none;
  padding: 0;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  font-weight: 400;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: var(--spacing-2xl) 0;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  margin: var(--spacing-lg) 0;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
}

.prose th,
.prose td {
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.prose th {
  font-weight: 600;
  color: var(--text-primary);
}

/* Responsive Blog */
@media (max-width: 900px) {
  .blog-index__list {
    grid-template-columns: 1fr;
  }

  .blog-card[data-featured="true"] {
    grid-column: 1;
  }

  .blog-card[data-featured="true"] .blog-card__title {
    font-size: var(--font-size-xl);
  }
}

@media (max-width: 768px) {
  .blog-index {
    padding-top: calc(var(--nav-height) + var(--spacing-xl));
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }

  .blog-index__title {
    font-size: var(--font-size-2xl);
  }

  .blog-index__list {
    gap: var(--spacing-lg);
  }

  .blog-card__link {
    padding: var(--spacing-lg);
  }

  .blog-post {
    padding-top: calc(var(--nav-height) + var(--spacing-xl));
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .blog-post__container {
    padding: var(--spacing-xl);
  }

  .blog-post__title {
    font-size: var(--font-size-2xl);
  }

  .blog-index__filters {
    justify-content: flex-start;
  }

  .blog-filter {
    min-height: 44px;
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* Small screens */
@media (max-width: 480px) {
  .blog-index {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .blog-card__link {
    padding: var(--spacing-md);
  }

  .blog-card__title {
    font-size: var(--font-size-lg);
  }

  .blog-post__container {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
  }

  .blog-post__title {
    font-size: var(--font-size-xl);
  }

  .prose pre {
    padding: var(--spacing-md);
    margin-left: calc(-1 * var(--spacing-md));
    margin-right: calc(-1 * var(--spacing-md));
    border-radius: 0;
  }
}

/* ===========================================
   Legal Pages (Privacy, Terms, Security)
   =========================================== */
.legal-page {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--spacing-4xl)) var(--spacing-xl) var(--spacing-3xl);
}

.legal-page__container {
  width: 100%;
  max-width: 640px;
}

.legal-page__title {
  font-family: var(--font-family);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.legal-page__notice {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-page__notice a {
  color: var(--accent-blue);
  text-decoration: none;
}

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