header {
  height: auto;
  min-height: 86px;
  gap: 18px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.main-nav a {
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  background: var(--field);
  color: var(--green);
}

.guide-page {
  max-width: 860px;
  padding: 3.75rem 1.5rem 5rem;
}

.guide-article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: clamp(1.5rem, 4vw, 3.5rem);
}

.guide-article h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.06em;
  line-height: 1.25;
  margin: 0.5rem 0 1.25rem;
}

.guide-article h2 {
  font-size: 1.35rem;
  margin: 2.5rem 0 0.8rem;
}

.guide-article p,
.guide-article li {
  color: var(--text);
  font-size: 1rem;
  line-height: 1.9;
}

.guide-article ul,
.guide-article ol {
  padding-left: 1.35rem;
}

.guide-lead {
  color: var(--muted) !important;
  font-size: 1.1rem !important;
}

.guide-callout {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--green);
  border-radius: 10px;
  background: var(--soft);
}

.guide-table-wrap {
  margin: 1.25rem 0;
  overflow-x: auto;
}

.guide-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.guide-table th,
.guide-table td {
  padding: 0.85rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: right;
}

.guide-table th:first-child,
.guide-table td:first-child {
  text-align: left;
}

.guide-table th {
  background: var(--field);
  color: var(--muted);
  font-size: 0.8125rem;
}

.guide-cta {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  background: #24674f;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.guide-index-head {
  margin-bottom: 2rem;
}

.guide-index-head h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  letter-spacing: -0.06em;
  margin: 0.5rem 0 0.8rem;
}

.guide-index-head p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.guide-card {
  display: block;
  min-height: 190px;
  padding: 1.4rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease;
}

.guide-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}

.guide-card .eyebrow {
  font-size: 0.7rem;
}

.guide-card h2 {
  margin: 0.6rem 0;
  font-size: 1.15rem;
  line-height: 1.45;
}

.guide-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

@media (max-width: 760px) {
  header {
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 14px;
  }

  .main-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
    padding-bottom: 8px;
  }

  .main-nav a {
    padding: 7px 9px;
    font-size: 0.8125rem;
  }

  .guide-page {
    padding: 2rem 1rem 3.5rem;
  }

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