/* ============================================
   TCO Legal Pages - Anthropic-inspired Design
   Clean, minimal, sophisticated typography
   ============================================ */

/* === Google Fonts === */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;1,8..60,400&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');

/* === CSS Variables === */
:root {
  /* Neutral, sophisticated palette */
  --color-bg: #FAFAF9;
  --color-bg-elevated: #FFFFFF;
  --color-bg-subtle: #F5F5F4;
  --color-bg-muted: #E7E5E4;

  /* Text hierarchy */
  --color-text-primary: #1C1917;
  --color-text-secondary: #57534E;
  --color-text-tertiary: #78716C;
  --color-text-muted: #A8A29E;

  /* Accent - warm terracotta instead of blue */
  --color-accent: #B45309;
  --color-accent-light: #D97706;
  --color-accent-bg: #FEF3C7;

  /* Borders */
  --color-border: #E7E5E4;
  --color-border-light: #F5F5F4;

  /* Typography */
  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Content width */
  --content-width: 720px;
  --content-width-wide: 1120px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.3;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.75rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
}

h2 {
  font-size: 1.625rem;
  margin-top: var(--space-12);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  font-family: var(--font-sans);
}

h4 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  font-family: var(--font-sans);
  color: var(--color-text-secondary);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}

a:hover {
  border-bottom-color: var(--color-accent);
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-subtle);
  padding: 0.125em 0.375em;
  border-radius: 4px;
}

/* === Header === */
.site-header {
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
}

.header-content {
  max-width: var(--content-width-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  letter-spacing: -0.01em;
  border-bottom: none;
}

.logo:hover {
  color: var(--color-text-primary);
  border-bottom: none;
}

.logo img {
  width: 28px;
  height: 28px;
}

.nav-menu {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-menu a {
  font-size: 0.9375rem;
  color: var(--color-text-tertiary);
  font-weight: 500;
  border-bottom: none;
  padding: var(--space-2) 0;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text-primary);
  transition: width var(--transition-base);
}

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

.nav-menu a:hover::after {
  width: 100%;
}

/* === Main Content === */
.main-content {
  flex: 1;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6) var(--space-24);
  width: 100%;
}

/* === Document Header === */
.document-header {
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.document-header .badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-4);
}

.document-title {
  font-size: 2.5rem;
  font-weight: 400;
  margin-bottom: var(--space-4);
}

.document-meta {
  font-size: 0.9375rem;
  color: var(--color-text-tertiary);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.document-meta .divider {
  color: var(--color-border);
}

/* === Sections === */
.section {
  margin-bottom: var(--space-12);
}

.section-intro {
  background: var(--color-bg-subtle);
  padding: var(--space-6);
  border-radius: 8px;
  margin-bottom: var(--space-8);
}

.section-intro p {
  margin-bottom: var(--space-3);
}

.section-intro p:last-child {
  margin-bottom: 0;
}

/* === Lists === */
ul, ol {
  margin-left: var(--space-6);
  margin-bottom: var(--space-5);
}

li {
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
  padding-left: var(--space-2);
}

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

li ul, li ol {
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}

/* === Highlight Box === */
.highlight-box {
  background: var(--color-accent-bg);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-5) var(--space-6);
  border-radius: 0 8px 8px 0;
  margin: var(--space-6) 0;
}

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

/* === Language Divider === */
.language-divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin: var(--space-16) 0;
}

/* === Cards Grid === */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
  margin: var(--space-6) 0;
}

.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-6);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
  display: block;
}

.card h3 {
  font-size: 1.0625rem;
  margin-top: 0;
  margin-bottom: var(--space-2);
}

.card p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-3);
}

.card a {
  font-size: 0.9375rem;
  font-weight: 500;
}

/* === FAQ Section === */
.faq-list {
  margin: var(--space-6) 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.faq-question::before {
  content: 'Q';
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.faq-answer {
  color: var(--color-text-secondary);
  padding-left: calc(24px + var(--space-3));
  line-height: 1.7;
}

.faq-answer a {
  font-weight: 500;
}

/* === Info Banner === */
.info-banner {
  background: linear-gradient(135deg, var(--color-text-primary) 0%, #44403C 100%);
  color: white;
  padding: var(--space-8);
  border-radius: 12px;
  margin: var(--space-8) 0;
}

.info-banner h3 {
  font-family: var(--font-serif);
  color: white;
  margin-top: 0;
  margin-bottom: var(--space-3);
}

.info-banner p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-2);
}

.info-banner p:last-child {
  margin-bottom: 0;
}

/* === CTA Section === */
.cta-section {
  background: var(--color-bg-subtle);
  padding: var(--space-8);
  border-radius: 12px;
  margin: var(--space-10) 0;
  text-align: center;
}

.cta-section h3 {
  font-family: var(--font-serif);
  margin-top: 0;
}

.cta-section p {
  max-width: 480px;
  margin: 0 auto var(--space-5);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: 8px;
  text-decoration: none;
  border-bottom: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-text-primary);
  color: white;
}

.btn-primary:hover {
  background: #44403C;
  transform: translateY(-1px);
  border-bottom: none;
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-subtle);
  border-bottom: 1px solid var(--color-border);
}

/* === Company Info === */
.company-info {
  background: var(--color-bg-subtle);
  padding: var(--space-6);
  border-radius: 12px;
  margin-top: var(--space-10);
}

.company-info h3 {
  font-family: var(--font-serif);
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.company-info p {
  margin-bottom: var(--space-2);
}

/* === Footer === */
.site-footer {
  background: var(--color-text-primary);
  color: white;
  padding: var(--space-10) 0;
  margin-top: 0;
}

.footer-content {
  max-width: var(--content-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  border-bottom: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* === Document Footer === */
.document-footer {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.document-footer p {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-2);
}

/* === Responsive === */
@media (max-width: 768px) {
  :root {
    --space-16: 3rem;
    --space-12: 2.5rem;
  }

  h1, .document-title {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.375rem;
  }

  .header-content {
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4);
  }

  .nav-menu {
    gap: var(--space-5);
  }

  .main-content {
    padding: var(--space-8) var(--space-4) var(--space-12);
  }

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

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
  }

  .document-meta {
    flex-direction: column;
    gap: var(--space-2);
  }

  .document-meta .divider {
    display: none;
  }
}

@media (max-width: 480px) {
  h1, .document-title {
    font-size: 1.75rem;
  }

  .card {
    padding: var(--space-5);
  }

  .info-banner,
  .cta-section {
    padding: var(--space-6);
  }

  .faq-answer {
    padding-left: 0;
    margin-top: var(--space-2);
  }

  .faq-question::before {
    display: none;
  }
}

/* === Print === */
@media print {
  .site-header,
  .site-footer {
    display: none;
  }

  .main-content {
    max-width: 100%;
    padding: 0;
  }

  .card,
  .info-banner,
  .cta-section {
    break-inside: avoid;
  }
}