/* layout.css: structural page layout and shared shells */
.section-shell {
  width: min(92vw, 1300px);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  width: 100%;
  max-width: none;
  margin-inline: 0;
  box-sizing: border-box;
  /* Full-bleed bar; content aligns with .section-shell (min(92vw, 1300px)) */
  padding: var(--space-5) max(1rem, calc((100vw - min(92vw, 1300px)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
  mix-blend-mode: multiply;
  transition:
    background var(--ease),
    backdrop-filter var(--ease),
    border-color var(--ease),
    mix-blend-mode var(--ease);
}

@media (min-width: 561px) {
  html.header-glass .site-header {
    mix-blend-mode: normal;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(246, 246, 243, 0.72);
    border-bottom: 1px solid rgba(20, 20, 20, 0.06);
  }
}

.brand {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-heading {
  padding-top: calc(var(--space-8) + 3rem);
  margin-bottom: var(--space-6);
}

.page-heading h1 {
  margin-top: var(--space-2);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

.site-footer {
  margin-top: var(--space-7);
  padding-bottom: var(--space-6);
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3) var(--space-5);
  padding-top: var(--space-4);
}

.site-footer__link {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: var(--ink);
}