/* TimeLore — layout.css : grid, header/footer, responsive */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  position: relative;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-on-dark);
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
}

.brand:hover, .brand:focus { color: var(--color-accent); }

.brand .brand-mark { width: 32px; height: 32px; flex: none; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  color: var(--color-text-on-dark);
  padding: 8px 10px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-text-on-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover, .main-nav a:focus, .main-nav a[aria-current="page"] {
  border-bottom-color: var(--color-accent);
  color: var(--color-text-on-dark);
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: var(--color-text-on-dark);
  margin-top: 64px;
}

.site-footer .container {
  padding-top: 40px;
  padding-bottom: 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-grid h2 {
  color: var(--color-text-on-dark);
  font-size: 17px;
  margin-top: 0;
}

.footer-grid ul { list-style: none; padding: 0; margin: 0; }

.footer-grid a {
  color: var(--color-text-on-dark);
  opacity: 0.9;
  text-decoration: none;
}

.footer-grid a:hover, .footer-grid a:focus { color: var(--color-accent); opacity: 1; }

.footer-note {
  border-top: 1px solid rgba(247,245,238,0.2);
  padding-top: 18px;
  font-size: 13px;
  opacity: 0.85;
}

/* Main content */
main { padding-top: 40px; padding-bottom: 20px; min-height: 60vh; }

.page-hero {
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(27,59,47,0.15);
  margin-bottom: 32px;
}

.breadcrumb {
  font-size: 13px;
  margin-bottom: 14px;
}

.breadcrumb a { color: var(--color-dark); }

article { max-width: 760px; }

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 1024px) {
  .content-grid.with-aside {
    grid-template-columns: 2fr 1fr;
  }
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 28px 0;
}

/* Elevation page layout */
.elevation-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 1024px) {
  .elevation-layout {
    grid-template-columns: 320px 1fr;
    align-items: start;
  }
}

.elevation-scale-wrap {
  position: relative;
}

.elevation-track {
  position: relative;
  height: 620px;
  margin: 0 auto;
  width: 100%;
  max-width: 120px;
}

@media (max-width: 767px) {
  .elevation-track {
    height: 340px;
    max-width: none;
  }
}

/* Serpentine divider */
.serpentine {
  height: 28px;
  width: 100%;
  margin: 40px 0;
  display: block;
}

@media (max-width: 767px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 6px; }
  .main-nav {
    display: none;
    width: 100%;
  }
  .main-nav.is-open { display: block; }
  .site-header .container { flex-wrap: wrap; }
  .main-nav ul { flex-direction: column; gap: 2px; padding-bottom: 14px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .elevation-controls, .elevation-track,
  #elevation-slider, .filter-group { display: none !important; }
  .print-only-list { display: block !important; }
}