/* ============================================
   TrainO Website - Legal Pages
   Privacy Policy & Terms of Service
   ============================================ */

.legal-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.legal-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(11, 15, 18, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--border-subtle);
}

.legal-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-core-green);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity var(--duration-fast);
}

.legal-back:hover {
  opacity: 0.8;
}

/* Content */
.legal-content {
  flex: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  width: 100%;
}

.legal-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.legal-updated {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

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

.legal-section h2 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 10px;
}

.legal-section p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.legal-section ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.legal-section li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.legal-section li::before {
  content: '•';
  position: absolute;
  left: 4px;
  color: var(--color-core-green);
}

/* Footer */
.legal-footer {
  padding: 24px;
  text-align: center;
  border-top: var(--border-subtle);
}

.legal-footer p {
  font-size: 12px;
  color: var(--color-text-disabled);
}

.legal-footer a {
  color: var(--color-core-green);
  text-decoration: none;
}

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

/* Nav links */
.legal-nav-links {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  justify-content: center;
}

.legal-nav-link {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.legal-nav-link:hover {
  color: var(--color-core-green);
}

.legal-nav-link.active {
  color: var(--color-core-green);
  font-weight: 600;
}

/* ============================================
   Support / FAQ Page
   ============================================ */

.support-hero {
  text-align: center;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 40px;
}

.support-hero .legal-title {
  margin-bottom: 12px;
}

.support-hero-subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.support-contact-card {
  background: rgba(95, 175, 166, 0.05);
  border: 1px solid rgba(95, 175, 166, 0.15);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.support-contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(47, 143, 131, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-core-green);
  flex-shrink: 0;
}

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

.support-contact-info {
  flex: 1;
}

.support-contact-email {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-core-green);
  text-decoration: none;
}

.support-contact-email:hover {
  text-decoration: underline;
}

.support-contact-note {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* FAQ */
.faq-section {
  margin-bottom: 40px;
}

.faq-category-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-core-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(95, 175, 166, 0.15);
}

.faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  font-family: inherit;
  transition: color var(--duration-fast);
}

.faq-question:hover {
  color: var(--color-core-green);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--duration-normal) var(--ease-smooth);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease-smooth);
}

.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  padding: 0 0 16px;
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Quick links */
.support-quick-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.support-quick-link {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.support-quick-link:hover {
  color: var(--color-core-green);
}

/* ============================================
   Science Page
   ============================================ */

.science-hero {
  text-align: center;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 40px;
}

.science-hero .legal-title {
  margin-bottom: 8px;
}

.science-hero-subtitle {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
}

.science-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.science-stat {
  text-align: center;
}

.science-stat-number {
  display: block;
  font-size: 36px;
  font-weight: 700;
  color: var(--color-core-green);
  letter-spacing: -1px;
}

.science-stat-label {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 4px;
}

.science-intro {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 48px;
  text-align: center;
}

.science-category {
  margin-bottom: 40px;
  padding-left: 16px;
  border-left: 3px solid var(--color-core-green);
}

.science-category-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-core-green);
  margin-bottom: 16px;
  letter-spacing: -0.2px;
}

.citation-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.citation-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 16px;
}

.citation-authors {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.citation-title {
  font-size: 14px;
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 4px;
}

.citation-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.citation-doi {
  font-size: 12px;
  color: var(--color-core-green);
  text-decoration: none;
  word-break: break-all;
}

.citation-doi:hover {
  text-decoration: underline;
}

.citation-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--color-core-green);
  background: rgba(95, 175, 166, 0.1);
  border: 1px solid rgba(95, 175, 166, 0.2);
  border-radius: 4px;
  padding: 2px 8px;
  margin-top: 8px;
}

.science-note {
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.7;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Responsive */
@media (max-width: 480px) {
  .legal-content {
    padding: 32px 16px 60px;
  }

  .legal-title {
    font-size: 24px;
  }

  .legal-header {
    padding: 12px 16px;
  }

  .support-contact-card {
    flex-direction: column;
    text-align: center;
  }

  .science-stats {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .science-stat-number {
    font-size: 28px;
  }

  .science-category {
    padding-left: 12px;
  }

  .citation-item {
    padding: 12px;
  }
}