/* ============================================
   SHARED STYLES - Secondary Pages
   ============================================ */

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 1000;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--nb-accent-primary);
  color: var(--nb-text-on-accent);
  text-decoration: none;
}

.shared-page {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.shared-header {
  margin-bottom: 2rem;
}

.shared-header--bordered {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--nb-border-subtle);
}

.shared-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--nb-text-primary);
  margin: 0 0 0.5rem;
}

.shared-title--large {
  font-size: 2rem;
}

.shared-subtitle {
  color: var(--nb-text-muted);
  font-size: 0.9rem;
  margin: 0;
}

.shared-intro {
  color: var(--nb-text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0.5rem 0 0;
}

.shared-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--nb-text-primary);
  margin: 2rem 0 1rem;
}

.shared-content h2:first-child {
  margin-top: 0;
}

.shared-content h2.section-divider {
  font-size: 1.15rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--nb-border-subtle);
}

.shared-content p {
  color: var(--nb-text-secondary);
  line-height: 1.7;
  margin: 0 0 1rem;
}

.shared-content a {
  color: var(--nb-text-secondary);
  text-decoration: underline;
  text-decoration-color: var(--nb-border-subtle);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.shared-content a:hover,
.shared-content a:focus {
  color: var(--nb-accent-primary);
  text-decoration-color: var(--nb-accent-primary);
}

.features {
  display: grid;
  gap: 1rem;
  margin: 2.5rem 0;
}

.feature-card {
  background: var(--nb-bg-layer-1);
  border: 1px solid var(--nb-border-subtle);
  border-radius: 10px;
  padding: 1.25rem;
}

.feature-card h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--nb-text-primary);
  margin: 0 0 0.5rem;
}

.feature-card p {
  color: var(--nb-text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.highlight-box {
  background: var(--nb-bg-layer-1);
  border: 1px solid var(--nb-border-subtle);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 1.5rem 0;
}

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

.shared-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--nb-border-subtle);
  text-align: center;
}

.shared-footer .footer-attribution {
  color: var(--nb-text-muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}

.shared-footer .footer-attribution a {
  color: var(--nb-text-secondary);
  text-decoration: underline;
  text-decoration-color: var(--nb-border-subtle);
  text-underline-offset: 3px;
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.shared-footer .footer-attribution a:hover,
.shared-footer .footer-attribution a:focus {
  color: var(--nb-accent-primary);
  text-decoration-color: var(--nb-accent-primary);
}

.shared-footer .footer-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  flex-wrap: wrap;
}

.shared-footer .footer-nav a {
  color: var(--nb-text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}

.shared-footer .footer-nav a:hover,
.shared-footer .footer-nav a:focus {
  color: var(--nb-accent-primary);
}

.shared-footer .footer-nav-divider {
  color: var(--nb-text-disabled);
}

@media (max-width: 480px) {
  .shared-page {
    padding: 1.5rem 1rem 3rem;
  }

  .shared-title {
    font-size: 1.5rem;
  }

  .shared-title--large {
    font-size: 1.75rem;
  }
}
