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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(251, 247, 239, 0.72);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.2s ease,
    background-color 0.2s ease;
}

.site-header.is-scrolled {
  border-color: var(--color-border);
  background: rgba(251, 247, 239, 0.92);
}

.header-bar {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section {
  padding: 5.5rem 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.section-heading h2,
.page-hero h1,
.hero-copy h1,
.legal-content h1,
.app-card h1 {
  margin: 0.2rem 0 1rem;
  line-height: 1.02;
}

.hero-grid,
.two-column,
.footer-grid,
.legal-layout {
  display: grid;
  gap: 2rem;
}

.hero-grid,
.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.footer-grid {
  grid-template-columns: 1.2fr 0.8fr 0.9fr;
}

.legal-layout {
  grid-template-columns: 280px minmax(0, 1fr);
  align-items: start;
}

.site-footer {
  padding: 2.75rem 0 1.5rem;
  border-top: 1px solid var(--color-border);
  background: rgba(255, 252, 246, 0.7);
}

.footer-bottom {
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

@media (max-width: 900px) {
  .hero-grid,
  .two-column,
  .footer-grid,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 1rem;
    min-width: 220px;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: rgba(255, 252, 246, 0.98);
    box-shadow: var(--shadow-card);
    flex-direction: column;
    align-items: stretch;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity 0.18s ease,
      transform 0.18s ease,
      visibility 0.18s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}