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

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

.section {
  padding-block: var(--space-16);
}

.section--band {
  background: var(--color-bg-alt);
  border-block: 1px solid var(--color-border);
}

.section--archive,
.section--taxonomy,
.section--page {
  padding-top: var(--space-10);
}

.site-main {
  min-height: 50vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(12px);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.site-header .site-nav__link,
.site-header .nav-toggle {
  color: var(--color-text);
}

.site-header .site-nav__link {
  color: var(--color-text-muted);
}

.site-header .nav-toggle {
  border-color: var(--color-border);
  background: var(--color-surface);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}

.site-logo__mark {
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-logo);
  background: var(--color-accent-primary);
}

.site-logo__dot {
  color: var(--color-accent-primary);
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0 var(--space-3);
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
}

.site-header .site-nav__link:hover,
.site-header .site-nav__link:focus-visible {
  color: var(--color-accent-primary);
  background: color-mix(in srgb, var(--color-accent-soft) 55%, transparent);
  text-decoration: none;
}

.site-footer {
  background: var(--color-bg-alt);
  color: var(--color-text);
  margin-top: var(--space-16);
  border-top: 1px solid var(--color-border);
}

.site-footer a {
  text-decoration: none;
  color: var(--color-text-muted);
}

.site-footer a:hover {
  color: var(--color-accent-primary);
}

.site-footer__tagline {
  max-width: 24rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.site-footer__bottom {
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  font-weight: var(--weight-semibold);
}

.nav-toggle__icon {
  width: 1rem;
  height: 0.75rem;
  background:
    linear-gradient(var(--color-text), var(--color-text)) center 0 / 100% 2px no-repeat,
    linear-gradient(var(--color-text), var(--color-text)) center 50% / 100% 2px no-repeat,
    linear-gradient(var(--color-text), var(--color-text)) center 100% / 100% 2px no-repeat;
}

.site-footer__top {
  display: grid;
  gap: var(--space-10);
  padding-block: var(--space-12);
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.guide-layout {
  display: grid;
  gap: var(--space-10);
  padding-bottom: var(--space-20);
}

.guide-sidebar {
  order: 2;
}

.guide-content {
  order: 1;
}

@media (min-width: 960px) {
  .site-footer__top {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }

  .guide-layout {
    grid-template-columns: minmax(14rem, 17rem) minmax(0, 1fr);
    align-items: start;
  }

  .guide-sidebar {
    order: 1;
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
  }

  .guide-content {
    order: 2;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    background: var(--color-surface);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: var(--space-4);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--duration-base) var(--ease-out), opacity var(--duration-base) var(--ease-out);
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav__link {
    min-height: 3rem;
    padding-inline: var(--space-4);
  }
}