.section-grid {
  display: grid;
  gap: 1rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 0.95rem 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.brand-mark {
  inline-size: 52px;
  block-size: 52px;
  border-radius: 16px;
  box-shadow: 0 16px 28px -20px rgba(22, 61, 51, 0.45);
}

.brand-copy {
  min-inline-size: 0;
}

.brand-name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: var(--weight-semibold);
  letter-spacing: -0.03em;
}

.brand-tag {
  margin: 0.22rem 0 0;
  color: var(--ink-muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-nav ul,
.footer-nav ul,
.fact-list,
.legal-list,
.signal-list,
.step-list,
.issue-tags,
.meter-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.site-nav {
  margin-inline-start: auto;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-block-size: 2.5rem;
  padding-inline: 0.92rem;
  border-radius: 999px;
  color: var(--ink-soft);
  text-decoration: none;
  border: 1px solid transparent;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-color: var(--surface-border);
  background: rgba(228, 240, 233, 0.96);
  color: var(--accent-strong);
  box-shadow: inset 0 1px 0 var(--surface-highlight);
  transform: translateY(-1px);
}

.site-header-cta {
  min-block-size: 2.5rem;
  padding-inline: 1rem;
  white-space: nowrap;
}

.site-footer-wrap {
  padding-block-end: 1rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
}

.footer-note {
  margin: 0;
  font-size: 0.94rem;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
}

.footer-label {
  color: var(--ink-muted);
  font-size: 0.76rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.footer-nav a {
  color: var(--accent-strong);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  min-block-size: 2rem;
  transition: transform 160ms ease;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-contrast: more) {
  .site-nav a {
    border-color: var(--surface-border-strong);
  }

  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    background: #e5efe9;
  }

  :focus-visible {
    outline-color: var(--surface-border-strong);
  }
}

@media (max-width: 56rem) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

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

@media (max-width: 42rem) {
  .site-header-wrap,
  .page-wrap,
  .site-footer-wrap {
    inline-size: min(100% - 0.8rem, 78rem);
  }

  .site-header {
    flex-wrap: wrap;
    align-items: flex-start;
    padding: 0.85rem 0.9rem;
  }

  .brand {
    flex: 1 1 100%;
  }

  .site-nav {
    inline-size: 100%;
  }

  .site-nav ul {
    justify-content: flex-start;
    gap: 0.25rem;
  }

  .site-nav a {
    min-block-size: 2.35rem;
    padding-inline: 0.8rem;
  }

  .site-header-cta {
    min-block-size: 2.35rem;
    padding-inline: 0.9rem;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 40rem) {
  .site-header-wrap,
  .page-wrap,
  .site-footer-wrap {
    inline-size: min(100% - 1rem, 78rem);
  }

  .site-header,
  .site-footer,
  .sheet {
    border-radius: 24px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button,
  .button-secondary,
  .button-tertiary {
    inline-size: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}