/* ==========================================================================
   Cất Link (CastLink) — Design System & Stylesheet
   Crafted to mirror the exact native iOS 17 app UI & Aesthetics
   ========================================================================== */

:root {
  /* Exact App Tokens from Cất Link Swift codebase */
  --primary: #0A84FF; /* Default App Ocean Blue */
  --primary-rgb: 10, 132, 255;
  --primary-glow: rgba(10, 132, 255, 0.35);
  --primary-hover: #0070E0;
  
  --accent-violet: #6366F1;
  --accent-sunset: #FF9F0A;
  --accent-forest: #30D158;
  --accent-rose: #FF375F;
  
  /* 6 Domain Intent Colors */
  --intent-watch: #FF453A;
  --intent-read: #0A84FF;
  --intent-buy: #30D158;
  --intent-go: #FF9F0A;
  --intent-dotask: #BF5AF2;
  --intent-send: #64D2FF;

  /* Theme: Dark (Default iOS Canvas) */
  --bg-canvas: #0B0E14;
  --bg-surface: rgba(18, 24, 38, 0.85);
  --bg-surface-elevated: #161D2B;
  --bg-card: rgba(22, 29, 46, 0.65);
  --bg-card-hover: rgba(28, 38, 60, 0.9);
  
  --text-primary: #FFFFFF;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(10, 132, 255, 0.3);
  --glass-reflection: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.01) 100%);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 45px rgba(10, 132, 255, 0.25);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', sans-serif;
  --container-max: 1160px;
}

[data-theme="light"] {
  --bg-canvas: #F8FAFC;
  --bg-surface: rgba(255, 255, 255, 0.9);
  --bg-surface-elevated: #FFFFFF;
  --bg-card: rgba(241, 245, 249, 0.8);
  --bg-card-hover: #FFFFFF;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(10, 132, 255, 0.2);
  --glass-reflection: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.3) 100%);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 35px rgba(10, 132, 255, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: 
    radial-gradient(circle at 10% 15%, rgba(10, 132, 255, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 90% 65%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 50% 95%, rgba(255, 159, 10, 0.06) 0%, transparent 50%),
    var(--bg-canvas);
  background-attachment: fixed;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.65rem); }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 3px 12px var(--primary-glow);
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-btn, .lang-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.theme-btn:hover, .lang-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0060DF 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
  background: linear-gradient(135deg, #2B95FF 0%, #0050C0 100%);
}

.btn-secondary {
  background: var(--bg-card);
  border-color: var(--border-subtle);
  color: var(--text-primary);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

.btn-appstore {
  background: #000000;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.65rem 1.3rem;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-fast);
}

.btn-appstore:hover {
  background: #111827;
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.btn-appstore svg {
  width: 26px;
  height: 26px;
  fill: currentColor;
  flex-shrink: 0;
}

.btn-appstore-text {
  text-align: left;
  line-height: 1.15;
}

.btn-appstore-text span {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
}

.btn-appstore-text strong {
  font-size: 1.1rem;
  font-weight: 700;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(10, 132, 255, 0.12);
  color: #60A5FA;
  border: 1px solid rgba(10, 132, 255, 0.3);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #30D158;
  box-shadow: 0 0 10px #30D158;
}

/* Hero Section */
.hero {
  padding: 4.5rem 0 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, #60A5FA 0%, #0A84FF 50%, #A855F7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.2rem;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.5rem;
  width: 100%;
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

/* Real-looking iOS Device Mockup */
.hero-mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.mockup-glow {
  position: absolute;
  width: 300px;
  height: 500px;
  background: radial-gradient(circle, var(--primary-glow) 0%, rgba(99, 102, 241, 0.15) 70%, transparent 100%);
  filter: blur(50px);
  z-index: 0;
  border-radius: 50%;
}

.phone-mockup {
  position: relative;
  z-index: 1;
  width: 326px;
  background: #0E131E;
  border: 4px solid rgba(255, 255, 255, 0.18);
  border-radius: 46px;
  padding: 11px;
  box-shadow: var(--shadow-lg), 0 0 35px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
}

.phone-screen {
  background: #000000;
  border-radius: 36px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 580px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.phone-notch {
  height: 26px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 4px;
}

.phone-island {
  width: 95px;
  height: 20px;
  background: #000000;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
}

/* App Header in Mockup matching TodayView */
.phone-top-bar {
  padding: 10px 16px 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.phone-greeting {
  font-size: 0.75rem;
  color: #94A3B8;
  font-weight: 500;
}

.phone-app-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #FFFFFF;
}

.phone-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.phone-btn-paste {
  background: var(--primary);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.phone-btn-gear {
  color: #94A3B8;
  font-size: 0.9rem;
}

/* Quick Save Clipboard Banner inside Mockup */
.phone-clipboard-banner {
  margin: 4px 12px 10px;
  background: rgba(10, 132, 255, 0.12);
  border: 1px solid rgba(10, 132, 255, 0.3);
  border-radius: 14px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.phone-clipboard-text {
  font-size: 0.7rem;
  color: #60A5FA;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 170px;
}

.phone-clipboard-btn {
  background: var(--primary);
  color: #FFFFFF;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 10px;
}

/* Mockup Card List */
.phone-card-list {
  padding: 0 12px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  overflow-y: auto;
  max-height: 380px;
}

.phone-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 11px 13px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all var(--transition-fast);
}

.phone-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Intent Chips */
.intent-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.68rem;
  font-weight: 700;
}

.intent-chip.watch { background: rgba(255, 69, 58, 0.18); color: #FF6961; }
.intent-chip.read { background: rgba(10, 132, 255, 0.18); color: #60A5FA; }
.intent-chip.buy { background: rgba(48, 209, 88, 0.18); color: #4ADE80; }
.intent-chip.go { background: rgba(255, 159, 10, 0.18); color: #FBBF24; }
.intent-chip.dotask { background: rgba(191, 90, 242, 0.18); color: #C084FC; }
.intent-chip.send { background: rgba(100, 210, 255, 0.18); color: #38BDF8; }

.due-time {
  font-size: 0.68rem;
  color: #94A3B8;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.phone-card-title {
  font-size: 0.84rem;
  font-weight: 600;
  color: #F8FAFC;
  line-height: 1.35;
}

.phone-card-domain {
  font-size: 0.68rem;
  color: #64748B;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Mockup Bottom Tab Bar */
.phone-bottom-nav {
  margin-top: auto;
  height: 52px;
  background: rgba(18, 24, 38, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 20px;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.65rem;
  color: #64748B;
  gap: 3px;
  cursor: pointer;
}

.bottom-nav-item.active {
  color: var(--primary);
  font-weight: 700;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

/* 6 Intent Matrix Showcase */
.intent-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.intent-matrix-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.intent-matrix-item:hover {
  transform: translateY(-3px);
  border-color: var(--border-glow);
  background: var(--bg-card-hover);
}

.intent-matrix-icon {
  font-size: 1.75rem;
}

.intent-matrix-title {
  font-weight: 700;
  font-size: 0.95rem;
}

.intent-matrix-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(10, 132, 255, 0.12);
  border: 1px solid rgba(10, 132, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-size: 1.25rem;
}

.feature-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Steps */
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.step-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  position: relative;
}

.step-number {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary);
  background: rgba(10, 132, 255, 0.12);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.step-card h3 {
  margin-bottom: 0.75rem;
}

/* Privacy Banner */
.privacy-banner {
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.14) 0%, rgba(48, 209, 88, 0.1) 100%);
  border: 1px solid rgba(10, 132, 255, 0.3);
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  margin: 3rem 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: center;
}

.privacy-banner-content h2 {
  margin-bottom: 1rem;
}

.privacy-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.privacy-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* FAQ Accordion */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--border-glow);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-chevron {
  transition: transform var(--transition-normal);
  color: var(--text-muted);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.open .faq-answer {
  display: block;
}

/* Doc Pages */
.doc-page {
  padding: 3.5rem 0 6rem;
}

.doc-header {
  max-width: 840px;
  margin: 0 auto 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.doc-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.doc-body {
  max-width: 840px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.doc-body section {
  margin-bottom: 2.5rem;
}

.doc-body h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.doc-body h3 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.75rem;
  color: var(--text-primary);
}

.doc-body p {
  margin-bottom: 1rem;
}

.doc-body ul, .doc-body ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.doc-body li {
  margin-bottom: 0.5rem;
}

.doc-highlight-box {
  background: rgba(10, 132, 255, 0.1);
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
}

.doc-highlight-box p {
  margin-bottom: 0;
  color: var(--text-primary);
  font-weight: 500;
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(10, 132, 255, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

/* Footer */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-highlights {
    justify-content: center;
  }
  
  .privacy-banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2.5rem 1.75rem;
  }
  
  .privacy-pills {
    justify-content: center;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .doc-body {
    padding: 1.75rem;
  }
}