/* ============================================
   LOT - Language of Thoughts
   Quiet-Tech Design System
   ============================================ */

/* ============================================
   CSS Variables - Light & Dark Themes
   ============================================ */

:root {
  /* Light Theme (Default) */
  --bg-primary: #FAFAF7;
  --surface: rgba(255, 255, 255, 0.72);
  --text-primary: #111111;
  --text-secondary: #6B6B6B;
  --border: rgba(0, 0, 0, 0.08);
  --accent: rgba(76, 125, 255, 0.18);
  --accent-hover: rgba(76, 125, 255, 0.28);
  --accent-solid: rgb(76, 125, 255);
  --accent-bright: rgb(120, 160, 255);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 24px var(--accent);
}

:root[data-theme="dark"] {
  /* Dark Theme */
  --bg-primary: #0F0F10;
  --surface: rgba(23, 23, 26, 0.72);
  --text-primary: #F5F5F5;
  --text-secondary: #A0A0A6;
  --border: rgba(255, 255, 255, 0.10);
  --accent: rgba(76, 125, 255, 0.22);
  --accent-hover: rgba(76, 125, 255, 0.32);
  --accent-solid: rgb(100, 145, 255);
  --accent-bright: rgb(140, 180, 255);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 32px var(--accent);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.55;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
}

h2 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  margin-bottom: 0.75rem;
}

p {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

a:hover {
  opacity: 0.7;
}

code {
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
  font-size: 0.9em;
  padding: 0.2em 0.4em;
  background: var(--border);
  border-radius: 4px;
}

/* ============================================
   Header
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  background: rgba(var(--surface), 0.8);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 3rem;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.logo a {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  transition: opacity 0.2s ease;
}

.logo-img {
  height: 40px;
  width: auto;
  transition: opacity 0.2s ease;
}

/* Show clear logo in light mode, dark logo in dark mode */
:root .logo-dark {
  display: none;
}

:root .logo-light {
  display: block;
}

:root[data-theme="dark"] .logo-dark {
  display: block;
}

:root[data-theme="dark"] .logo-light {
  display: none;
}

.logo a:hover {
  opacity: 0.7;
}

.main-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: center;
}

.header-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  justify-content: flex-end;
}

.header-cta {
  padding: 0.625rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 12px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.header-cta:hover {
  transform: translateY(-1px);
  opacity: 1;
  box-shadow: var(--shadow-md);
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent 0%,
    var(--accent-solid) 25%,
    var(--accent-bright) 50%,
    var(--accent-solid) 75%,
    transparent 100%
  );
  background-size: 200% 100%;
  opacity: 0;
  transform: scaleX(0);
  transition: all 0.3s ease;
}

.nav-link:hover::after {
  opacity: 0.5;
  transform: scaleX(1);
}

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

.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% {
    background-position: -100% 0;
  }
  50% {
    background-position: 200% 0;
  }
}

.nav-link:hover {
  color: var(--text-primary);
  opacity: 1;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  color: var(--text-primary);
}

.theme-toggle:hover {
  background: var(--accent);
  border-color: var(--accent-solid);
  transform: translateY(-1px);
}

.theme-toggle:active {
  transform: translateY(0);
}

.sun-icon,
.moon-icon {
  width: 20px;
  height: 20px;
  position: absolute;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

:root .moon-icon {
  opacity: 0;
  transform: scale(0.8);
}

:root .sun-icon {
  opacity: 1;
  transform: scale(1);
}

:root[data-theme="dark"] .moon-icon {
  opacity: 1;
  transform: scale(1);
}

:root[data-theme="dark"] .sun-icon {
  opacity: 0;
  transform: scale(0.8);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding: clamp(6rem, 14vw, 10rem) 1.5rem clamp(5rem, 10vw, 8rem);
  text-align: center;
  animation: fadeIn 0.6s ease-out;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  transform: translateX(-50%);
  opacity: 0.3;
  pointer-events: none;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: translateX(-50%) scale(1); opacity: 0.3; }
  50% { transform: translateX(-50%) scale(1.1); opacity: 0.4; }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  max-width: 840px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent);
  border: 1px solid var(--accent-solid);
  border-radius: 100px;
  margin-bottom: 2rem;
  color: var(--accent-solid);
  animation: fadeIn 0.6s ease-out 0.2s both;
}

.hero-title {
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.15;
  animation: fadeIn 0.6s ease-out 0.3s both;
}

.hero-description {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  line-height: 1.7;
  animation: fadeIn 0.6s ease-out 0.4s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
  animation: fadeIn 0.6s ease-out 0.5s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  max-width: 600px;
  margin: 0 auto;
  animation: fadeIn 0.6s ease-out 0.6s both;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

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

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 16px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  font-family: inherit;
}

.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
  box-shadow: var(--shadow-md), 0 0 0 0 var(--accent-solid);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 8px 24px rgba(0, 0, 0, 0.12), 0 0 0 4px var(--accent);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.1rem;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

.btn-secondary:active {
  transform: translateY(0);
}

/* ============================================
   Quote Section
   ============================================ */

.quote-section {
  padding: clamp(4rem, 10vw, 6rem) 1.5rem;
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.quote-card {
  max-width: 700px;
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 4rem) clamp(2rem, 6vw, 3.5rem);
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  position: relative;
}

.quote-text {
  font-size: clamp(1.1rem, 2.8vw, 1.35rem);
  line-height: 1.8;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: 0.01em;
  font-style: italic;
  font-weight: 500;
}

/* ============================================
   Features Section
   ============================================ */

.features {
  padding: clamp(4rem, 10vw, 6rem) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.75rem, 4.5vw, 2.25rem);
  margin-bottom: 2rem;
  text-align: center;
  font-weight: 700;
}

/* Sharing Section */
.sharing-card {
  max-width: 850px;
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 3.5rem) clamp(2rem, 6vw, 3rem);
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}

.sharing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.sharing-option {
  text-align: left;
}

.sharing-subtitle {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 600;
}

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

.sharing-list li {
  color: var(--text-secondary);
  padding: 0.6rem 0;
  font-size: 1rem;
  line-height: 1.5;
}

.sharing-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.05rem;
  font-style: italic;
  margin: 0;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

/* Friends Section */
.friends-section {
  padding: clamp(3rem, 8vw, 5rem) 1.5rem;
  max-width: 850px;
  margin: 0 auto;
}

.friends-card {
  padding: clamp(2.5rem, 7vw, 3rem) clamp(2rem, 6vw, 3rem);
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}

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

.friends-list li {
  color: var(--text-secondary);
  padding: 0.85rem 0;
  font-size: 1rem;
  line-height: 1.6;
}

/* Privacy at a glance Section */
.privacy-glance {
  padding: clamp(3rem, 8vw, 5rem) 1.5rem;
  max-width: 850px;
  margin: 0 auto;
}

.privacy-card {
  padding: clamp(2.5rem, 7vw, 3rem) clamp(2rem, 6vw, 3rem);
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}

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

.privacy-list li {
  color: var(--text-secondary);
  padding: 0.85rem 0;
  font-size: 1rem;
  line-height: 1.6;
}

/* Utopia Section */
.utopia-section {
  padding: clamp(3rem, 8vw, 4rem) 1.5rem clamp(4rem, 10vw, 6rem);
  text-align: center;
}

.utopia-text {
  color: var(--text-secondary);
  font-size: 1rem;
  font-style: italic;
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============================================
   Features Section - Modern
   ============================================ */

.features-modern {
  padding: clamp(5rem, 12vw, 8rem) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title-center {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-description {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  padding: 2.5rem 2rem;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all 0.3s ease;
  animation: fadeIn 0.6s ease-out both;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--accent-solid);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border: 1px solid var(--accent-solid);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-solid);
  transition: all 0.3s ease;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  display: block;
}

.feature-card:hover .feature-icon {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

.feature-title {
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
}

.feature-description {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.65;
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
  padding: clamp(5rem, 12vw, 8rem) 1.5rem;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.step {
  text-align: center;
  animation: fadeIn 0.6s ease-out both;
}

.step:nth-child(1) { animation-delay: 0.2s; }
.step:nth-child(2) { animation-delay: 0.3s; }
.step:nth-child(3) { animation-delay: 0.4s; }

.step-number {
  width: 56px;
  height: 56px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
  box-shadow: var(--shadow-md);
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.step-description {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

/* ============================================
   Privacy Modern Section
   ============================================ */

.privacy-modern {
  padding: clamp(5rem, 12vw, 8rem) 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.privacy-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4rem;
  align-items: center;
}

.privacy-text {
  animation: fadeIn 0.6s ease-out 0.2s both;
}

.section-title-left {
  font-size: clamp(2rem, 5vw, 2.75rem);
  margin-bottom: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.privacy-features {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem 0;
}

.privacy-features li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

.privacy-features li svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent-solid);
  margin-top: 0.2rem;
}

.link-arrow {
  color: var(--accent-solid);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.2s ease;
}

.link-arrow:hover {
  gap: 0.75rem;
}

.privacy-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.6s ease-out 0.4s both;
}

.encryption-badge {
  width: 200px;
  height: 200px;
  background: var(--accent);
  border: 2px solid var(--accent-solid);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-solid);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  animation: float 6s ease-in-out infinite;
}

.encryption-badge svg {
  width: 64px;
  height: 64px;
  display: block;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
  padding: clamp(5rem, 12vw, 8rem) 1.5rem;
  text-align: center;
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.cta-description {
  color: var(--text-secondary);
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  margin-bottom: 2.5rem;
  line-height: 1.65;
}

/* ============================================
   Footer Modern
   ============================================ */

.site-footer {
  margin-top: auto;
  padding: 3rem 1.5rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-brand {
  text-align: left;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}

.footer-nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.footer-link {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--text-primary);
  opacity: 1;
}

/* ============================================
   Responsive Design - Modern
   ============================================ */

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .steps-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .privacy-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .privacy-visual {
    order: -1;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-brand {
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  margin-top: auto;
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

.footer-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-copyright {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-email {
  font-size: 0.85rem;
  margin: 0;
}

.footer-email a {
  color: var(--text-secondary);
}

/* ============================================
   Privacy Page
   ============================================ */

.privacy-page,
.contact-page {
  padding: 2rem 1.5rem 4rem;
  animation: fadeIn 0.5s ease-out;
}

.content-wrapper {
  max-width: 960px;
  margin: 0 auto;
}

.back-link {
  margin-bottom: 2rem;
}

.back-link a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.policy-content {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(2rem, 6vw, 3.5rem);
}

.policy-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.policy-header h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  margin-bottom: 0.75rem;
}

.last-updated {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.policy-intro {
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--accent);
  border-radius: 12px;
  border: 1px solid var(--accent-solid);
}

.policy-intro p {
  color: var(--text-primary);
  margin: 0;
}

.policy-section {
  margin-bottom: 2.5rem;
}

.policy-section h2 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  padding-top: 1rem;
}

.policy-section h3 {
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.policy-section p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.policy-section ul {
  margin: 1rem 0 1rem 1.5rem;
  color: var(--text-secondary);
}

.policy-section li {
  margin-bottom: 0.5rem;
  line-height: 1.65;
}

.policy-section a {
  color: var(--accent-solid);
  text-decoration: underline;
}

.policy-section a:hover {
  opacity: 0.8;
}

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

/* Crisis Notice */
.crisis-notice {
  background: var(--accent);
  border: 1px solid var(--accent-solid);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.crisis-notice p {
  margin-bottom: 1rem;
}

.crisis-notice p:last-child {
  margin-bottom: 0;
}

.crisis-notice strong {
  color: var(--text-primary);
}

.crisis-notice ul {
  margin: 1rem 0 1rem 1.5rem;
}

.crisis-notice a {
  color: var(--accent-solid);
  text-decoration: underline;
}

/* ============================================
   Contact Page
   ============================================ */

.contact-content {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(2.5rem, 6vw, 4rem);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-content h1 {
  font-size: clamp(2rem, 5vw, 2.5rem);
  margin-bottom: 1.5rem;
}

.contact-intro {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-size: 1.1rem;
}

.contact-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.contact-secondary {
  margin-bottom: 1.5rem;
  text-align: center;
}

.secondary-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  text-decoration: underline;
}

.email-display {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.email-display code {
  font-size: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  border: 1px solid var(--accent-solid);
  border-radius: 8px;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 968px) {
  .header-content {
    grid-template-columns: auto auto;
    gap: 1.5rem;
    padding: 1rem 1.5rem;
  }

  .main-nav {
    grid-column: 1 / -1;
    order: 3;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 768px) {
  .header-content {
    padding: 1rem 1.25rem;
  }

  .main-nav {
    gap: 1.25rem;
  }

  .nav-link {
    font-size: 0.9rem;
  }

  .header-cta {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
  }

  .logo a {
    font-size: 1.35rem;
  }

  .hero {
    padding: 4rem 1.25rem 3rem;
  }

  .quote-section,
  .features {
    padding: 2.5rem 1.25rem;
  }

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

  .footer-content {
    gap: 0.75rem;
  }

  .footer-nav {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .policy-content,
  .contact-content {
    padding: 1.5rem;
  }

  .contact-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .header-content {
    gap: 1rem;
    padding: 0.875rem 1rem;
  }

  .main-nav {
    gap: 1rem;
  }

  .nav-link {
    font-size: 0.85rem;
  }

  .theme-toggle {
    width: 36px;
    height: 36px;
  }
  
  .header-cta {
    font-size: 0.8rem;
    padding: 0.5rem 0.875rem;
  }
}

/* ============================================
   Accessibility
   ============================================ */

/* Focus visible styles */
*:focus-visible {
  outline: 2px solid var(--accent-solid);
  outline-offset: 2px;
  border-radius: 4px;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent-solid);
  outline-offset: 4px;
}

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}