/* Product overview: the landing page's paper, serif headings and quiet teal links. */
.product-guide { padding: 130px 28px 88px; max-width: 1160px; margin: auto; }
.product-guide .back-link { color: var(--teal); font-size: 14px; }
.product-guide header { max-width: 850px; margin: 32px 0 52px; }
.product-guide h1 { font-size: clamp(36px, 4.6vw, 62px); line-height: 1.08; }
.product-guide header > p { font-size: 19px; line-height: 1.65; color: var(--soft); max-width: 68ch; }
.product-guide header .updated { font-size: 13px; color: var(--mute); margin-top: 26px; }
.product-guide-actions { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; margin-top: 26px; }
.product-guide-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 64px; align-items: start; }
.product-guide article { min-width: 0; }
.product-guide article section { margin-bottom: 42px; }
.product-guide article h2 { font-size: 30px; line-height: 1.2; margin-bottom: 20px; }
.product-guide article h3 { font-size: 17px; font-weight: 600; margin: 24px 0 8px; }
.product-guide article p, .product-guide article li { color: var(--soft); line-height: 1.75; }
.product-guide article ul, .product-guide article ol { padding-left: 22px; }
.product-guide article li { margin: 10px 0; padding-left: 4px; }
.product-guide article a, .product-guide aside a { color: var(--teal-deep); text-decoration: underline; text-underline-offset: 3px; }
.product-guide aside { background: var(--sheet); padding: 26px; border: 1px solid var(--hair); border-radius: 12px; }
.product-guide aside h2 { font-size: 24px; margin-bottom: 24px; }
.product-guide dl { margin: 0; }
.product-guide dt { font-size: 13px; color: var(--mute); margin-top: 20px; }
.product-guide dt:first-child { margin-top: 0; }
.product-guide dd { margin: 5px 0 0; font-size: 15px; line-height: 1.5; }
.product-guide .guide-end { padding-top: 24px; border-top: 1px solid var(--hair-strong); }
@media (max-width: 820px) {
  .product-guide { padding: 100px 20px 64px; }
  .product-guide header { margin-bottom: 36px; }
  .product-guide header > p { font-size: 17px; }
  .product-guide-grid { grid-template-columns: 1fr; gap: 36px; }
  .product-guide aside { grid-row: 1; }
  .product-guide article h2 { font-size: 28px; }
}