/* Subpage-specific overrides — nautical chart identity */
.navbar.subpage {
  background: color-mix(in srgb, var(--background) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.navbar.subpage .logo { color: var(--foreground); }
.navbar.subpage .nav-links a:not(.nav-cta) {
  color: color-mix(in srgb, var(--foreground) 75%, transparent);
}
.navbar.subpage .nav-links a:not(.nav-cta):hover {
  color: var(--foreground);
  background: var(--secondary);
}
.navbar.subpage .nav-cta {
  background: var(--primary) !important;
  color: var(--primary-foreground) !important;
  border-color: var(--primary) !important;
}
.navbar.subpage .mobile-toggle { color: var(--foreground); }
.navbar.subpage .mobile-menu {
  background: color-mix(in srgb, var(--background) 96%, transparent);
}
.navbar.subpage .mobile-menu a {
  color: color-mix(in srgb, var(--foreground) 75%, transparent);
}
.navbar.subpage .mobile-menu a:hover {
  color: var(--foreground);
  background: var(--secondary);
}
.navbar.subpage .mobile-menu a.btn-dark {
  color: var(--primary-foreground);
}

/* Subpage content area */
.subpage-content {
  flex: 1;
  padding: 7rem 1.5rem 5rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.subpage-content .page-inner {
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}
.subpage-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.subpage-content p {
  color: var(--muted-foreground);
  font-size: 1.0625rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
  max-width: 68ch;
}
.subpage-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--muted-foreground);
  font-size: 1rem;
  line-height: 1.65;
}

/* Split layout for about page */
.about-split {
  max-width: 1152px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}
@media (min-width: 769px) {
  .about-split { grid-template-columns: 1fr 1fr; }
}
.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--muted);
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }