.container {
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 1.5rem;
}

main { flex: 1; }

/* ── Skip link ────────────────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -48px;
  left: 1rem;
  background: var(--accent);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0 0 6px 6px;
  z-index: 200;
  font-size: 0.875rem;
  font-weight: 500;
}
.skip-link:focus { top: 0; }

/* ── Header ───────────────────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  height: 56px;
}

.brand {
  font-weight: 700;
  color: var(--fg);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand:hover { color: var(--accent); text-decoration: none; }

.brand-sigil {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.85em;
  font-weight: 600;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  transition: color var(--t), background var(--t);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--fg);
  background: var(--surface);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-subtle);
}

/* ── Banner ───────────────────────────────────────────────────────────────── */
.banner-container {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.15) 50%,
    transparent 100%
  );
  display: flex;
  align-items: flex-end;
  padding: 1.25rem 1.5rem;
}

.banner-label {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  font-family: var(--font-mono);
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 5rem;
  padding: 1.75rem 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.site-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer-copy { margin: 0; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .banner-container { height: 160px; }
  .site-header-inner { height: 48px; }
}