/* Shared commercial and editorial compositions. Components and tokens own presentation primitives. */
.site-feature-hero {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  border-bottom: 1px solid var(--line);
  background: var(--page-bg);
}
.site-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.site-feature-hero h1 {
  font-size: var(--text-page-title);
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 23ch;
  color: var(--ink);
  text-wrap: balance;
  margin: 0.65rem 0 1rem;
}
.site-eyebrow {
  color: var(--accent);
  font: 500 0.75rem/1.5 var(--mono);
  margin-bottom: 0.75rem;
}
.site-lead {
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 62ch;
  color: var(--ink-muted);
}
.site-caption {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ink-muted);
  margin-top: 1rem;
}
.site-brief {
  margin: 0;
  padding: var(--s3);
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--r2);
  color: var(--ink-muted);
}
.site-brief h2 {
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 1rem;
}
.site-brief :is(ul, ol) {
  padding-left: 1.2rem;
}
.site-brief li {
  margin: 0.6rem 0;
}
.site-brief footer {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--ink);
}
.site-section-heading {
  max-width: 68ch;
  margin-bottom: 2rem;
}
.site-section-heading h2,
.site-guide-main h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.25;
  margin: 0 0 1rem;
  color: var(--ink);
  text-wrap: balance;
}
.site-section-heading p,
.site-feature-grid p {
  color: var(--ink-muted);
}
.site-feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2rem;
}
.site-feature-list > :is(article, a) {
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
  min-width: 0;
}
.site-feature-list h3 {
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.site-feature-list p {
  font-size: 0.95rem;
  color: var(--ink-muted);
  line-height: 1.7;
}
.site-resource-link {
  display: block;
  text-decoration: none;
}
.site-resource-link > span {
  font: 0.75rem/1.5 var(--mono);
  color: var(--accent);
}
.site-resource-link:hover h3 {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.site-resource-link:focus-visible {
  outline: var(--focus-width) solid var(--focus-color);
  outline-offset: 4px;
}
.site-delivery-list {
  padding: 0 !important;
  list-style: none;
  counter-reset: delivery;
}
.site-delivery-list li {
  position: relative;
  padding: 1rem 0 1rem 2.5rem;
  border-top: 1px solid var(--line);
  margin: 0;
  color: var(--ink-muted);
  counter-increment: delivery;
}
.site-delivery-list li::before {
  content: counter(delivery, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1rem;
  color: var(--accent);
  font: 0.8rem/1.7 var(--mono);
}
.site-delivery-list strong,
.site-delivery-list span {
  display: block;
}
.site-delivery-list strong {
  color: var(--ink);
  margin-bottom: 0.35rem;
}
.site-reading-width {
  max-width: 900px;
}
.site-guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  gap: clamp(2rem, 5vw, 4rem);
}
.site-guide-main {
  min-width: 0;
  color: var(--ink-muted);
  line-height: 1.75;
}
.site-guide-main > section {
  margin-bottom: 3rem;
  scroll-margin-top: 6rem;
}
.site-guide-main > section > :is(p, ul, ol) {
  margin-bottom: 1rem;
}
.site-guide-main :is(ul, ol):not(.site-delivery-list) {
  padding-left: 1.25rem;
}
.site-guide-main a:not(.btn):not(.site-resource-link) {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}
.site-guide-main h3 {
  color: var(--ink);
}
.site-guide-toc {
  align-self: start;
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
  font-size: 0.9rem;
}
.site-guide-toc a {
  display: block;
  padding: 0.35rem 0;
}
.site-guide-toc .site-brief {
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  border-radius: 0;
}
.site-guide-cta {
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
.site-guide-cta .btn {
  margin-top: 1rem;
}
.site-guide-table {
  min-width: 0;
}
@media (max-width: 800px) {
  .site-feature-grid,
  .site-guide-layout {
    grid-template-columns: 1fr;
  }
  .site-guide-toc {
    position: static;
    grid-row: 1;
  }
  .site-guide-toc .site-brief {
    border: 1px solid var(--line);
  }
  .site-guide-toc nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1rem;
  }
  .site-feature-hero {
    padding: 2rem 0;
  }
}
@media (max-width: 540px) {
  .site-feature-list {
    grid-template-columns: 1fr;
  }
  .site-feature-hero h1 {
    font-size: 2rem;
  }
}

/* Outline icons provide a consistent visual anchor for commercial benefits. */
.site-feature-icon {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 1.5rem;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: middle;
}
h3 > .site-feature-icon,
strong > .site-feature-icon {
  margin-right: 0.7rem;
}
.site-section-heading > .site-feature-icon {
  width: 2rem;
  height: 2rem;
  margin-block: 0.25rem 1rem;
}