.site-header {
  background: var(--surface);
  backdrop-filter: none;
  box-shadow: 0 12px 34px rgba(29, 29, 31, 0.04);
}

.site-footer {
  max-width: none;
  margin: 0;
  padding: 52px max(24px, calc((100vw - var(--max)) / 2 + 24px)) 72px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.summary-lead {
  max-width: 820px;
  margin: 28px auto 44px;
  color: var(--muted);
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 650;
  line-height: 1.35;
  text-align: center;
}

.summary-map article {
  min-height: 210px;
  display: flex;
  flex-direction: column;
}

.summary-map .text-link,
.compact-list .text-link {
  margin-top: auto;
  padding-top: 16px;
  font-size: 15px;
}

.related-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 24px;
  border-bottom: 1px solid var(--line);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
}

.related-card {
  display: block;
  background: var(--bg);
  padding: 24px;
}

.related-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 750;
}

.related-card strong {
  display: block;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.12;
}

.related-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.48;
}

@media (max-width: 900px) {
  .top-nav {
    position: relative;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .top-nav .nav-links {
    position: absolute;
    left: 24px;
    right: 24px;
    top: calc(100% + 8px);
    display: grid;
    gap: 6px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface);
    box-shadow: 0 22px 55px rgba(29, 29, 31, 0.12);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

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

  .top-nav .nav-links a {
    min-height: 44px;
    padding: 8px 10px;
    border-radius: 12px;
  }

  .top-nav .nav-links a:hover,
  .top-nav .nav-links a:focus-visible {
    background: var(--bg);
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .summary-map article,
  .related-card {
    min-height: 0;
  }

  .summary-lead {
    margin: 22px auto 30px;
    font-size: 19px;
    line-height: 1.42;
  }
}

@media (max-width: 640px) {
  .top-nav {
    min-height: 58px;
    padding-block: 8px;
    align-items: center;
    flex-direction: row;
    gap: 12px;
  }

  .top-nav .nav-links {
    left: 16px;
    right: 16px;
    top: calc(100% + 6px);
    font-size: 15px;
  }

  .builder-hero {
    padding-top: 58px;
    padding-bottom: 36px;
  }

  .builder-hero-copy {
    max-width: 100%;
  }

  .builder-hero h1 {
    max-width: 100%;
    font-size: clamp(32px, 9.4vw, 44px);
    line-height: 1.08;
    overflow-wrap: anywhere;
    hyphens: auto;
  }

  .builder-hero p:not(.eyebrow) {
    font-size: 18px;
    line-height: 1.42;
  }
}

@media (max-width: 380px) {
  .brand {
    overflow-wrap: normal;
  }

  .builder-hero {
    padding-top: 46px;
    padding-inline: 14px;
  }

  .builder-hero h1 {
    font-size: clamp(30px, 9vw, 34px);
    line-height: 1.1;
  }

  .builder-hero p:not(.eyebrow) {
    font-size: 17px;
  }
}