.site-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 253, 247, 0.95);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  width: min(var(--measure), calc(100% - 2rem));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-mark {
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem 0.8rem;
}

.site-nav a {
  color: var(--color-ink);
  font-weight: 700;
  text-decoration: none;
}

.section-band {
  padding: clamp(2.5rem, 7vw, 5rem) 0;
}

.section-band--paper {
  background: rgba(255, 253, 247, 0.82);
  border-block: 1px solid var(--color-line);
}

.section-inner {
  width: min(var(--measure), calc(100% - 2rem));
  margin: 0 auto;
}

.section-header {
  max-width: 48rem;
  margin-bottom: 2rem;
}

.section-header p {
  color: var(--color-muted);
  font-size: 1.08rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
}

.grid-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.narrow-page {
  width: min(56rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.site-footer {
  padding: 2rem 0;
  color: var(--color-muted);
  background: var(--color-paper);
  border-top: 1px solid var(--color-line);
}

.site-footer__inner {
  width: min(var(--measure), calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 760px) {
  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 0.75rem 0;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .two-column {
    grid-template-columns: 1fr;
  }
}