.guide-hero {
  padding: 2rem 0 clamp(4.5rem, 9vw, 8rem);
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--ocean);
  background-size: 38px 38px;
}

.breadcrumb { flex-wrap: wrap; gap: 0.55rem; padding: 0.25rem 0 3rem; color: #9fb6bb; font: 700 0.72rem/1.5 var(--mono); }
.breadcrumb a { color: var(--signal); text-underline-offset: 0.25rem; }
.guide-hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.65fr); gap: clamp(2.5rem, 7vw, 7rem); align-items: end; }
.guide-hero h1 { max-width: 11em; margin-bottom: 1.6rem; font-size: clamp(3.2rem, 6.8vw, 6.5rem); }
.guide-hero .hero-lede { max-width: 760px; }
.guide-meta { color: #91abb1; font: 700 0.72rem/1.6 var(--mono); }
.answer-card { border-top: 8px solid var(--signal); padding: clamp(1.5rem, 3vw, 2.2rem); color: var(--ink); background: var(--paper); box-shadow: 16px 16px 0 var(--green); }
.answer-card h2 { margin: 0.45rem 0 1.2rem; font-size: clamp(2rem, 3vw, 3rem); line-height: 1.04; }
.answer-card p { color: #435b61; }
.answer-card p:last-child { margin-bottom: 0; padding-top: 1rem; border-top: 1px solid var(--line); }

.guide-body { padding: clamp(4.5rem, 8vw, 7rem) 0; }
.guide-layout { display: grid; grid-template-columns: 230px minmax(0, 820px); gap: clamp(2.5rem, 7vw, 7rem); justify-content: center; align-items: start; }
.guide-toc { position: sticky; top: 110px; border-top: 5px solid var(--orange); padding: 1.2rem; background: var(--paper-2); }
.guide-toc > p { color: var(--orange); font: 800 0.68rem/1.4 var(--mono); letter-spacing: 0.12em; }
.guide-toc ol { display: grid; gap: 0.65rem; margin: 0; padding-left: 1.25rem; color: var(--muted); font-size: 0.86rem; }
.guide-toc a { text-underline-offset: 0.22rem; }
.guide-content > header { padding-bottom: 2.2rem; }
.guide-content h2 { margin: 0.8rem 0 1.1rem; font-size: clamp(2.2rem, 4.5vw, 4rem); line-height: 1.05; }
.guide-content > header > p:last-child,
.evidence-section > p:not(.section-code),
.source-notes > p:not(.section-code) { color: var(--muted); }

.guide-step { display: grid; grid-template-columns: 4.2rem 1fr; gap: 1.4rem; padding: 2.4rem 0; border-top: 1px solid var(--line); scroll-margin-top: 100px; }
.guide-step > span { color: var(--orange); font: 800 2.8rem/1 var(--display); }
.guide-step h3 { margin: 0 0 1rem; font: 800 clamp(1.55rem, 3vw, 2.1rem)/1.12 var(--display); }
.guide-step p { color: #435b61; }
.guide-step p:last-child { margin-bottom: 0; }
.callout { margin-top: 1.5rem; border-left: 6px solid var(--green); padding: 1.1rem 1.25rem; background: #e5eee8; }
.callout strong { display: block; margin-bottom: 0.35rem; }
.callout p { margin: 0; }

.evidence-section,
.source-notes,
.faq-section { padding-top: 4.5rem; scroll-margin-top: 90px; }
.evidence-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); background: var(--white); }
.evidence-table-wrap:focus-visible { outline-offset: 3px; }
.evidence-table-wrap table { width: 100%; min-width: 700px; border-collapse: collapse; text-align: left; }
.evidence-table-wrap th { padding: 1rem; color: var(--white); background: var(--ocean); font: 800 0.74rem/1.4 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
.evidence-table-wrap td { padding: 1rem; vertical-align: top; border-top: 1px solid var(--line); color: #435b61; }
.evidence-table-wrap td:first-child { color: var(--ink); font-weight: 800; }

.source-notes ul { margin: 1.8rem 0 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.source-notes li { display: grid; grid-template-columns: minmax(230px, 0.75fr) 1fr; gap: 1.5rem; padding: 1.15rem 0; border-bottom: 1px solid var(--line); }
.source-notes a { color: var(--green); font-weight: 800; text-underline-offset: 0.25rem; }
.source-notes span { color: var(--muted); }

.faq-section dl { margin: 1.8rem 0 0; border-top: 2px solid var(--ink); }
.faq-section dl > div { display: grid; grid-template-columns: minmax(220px, 0.7fr) 1fr; gap: 1.8rem; padding: 1.35rem 0; border-bottom: 1px solid var(--line); }
.faq-section dt { font: 800 1.15rem/1.35 var(--display); }
.faq-section dd { margin: 0; color: var(--muted); }

.guide-cta { padding: clamp(4.5rem, 8vw, 7rem) 0; color: var(--white); background: var(--green); }
.guide-cta-grid { display: grid; grid-template-columns: 1fr 0.85fr; gap: clamp(2.5rem, 7vw, 7rem); align-items: end; }
.guide-cta h2 { margin: 0.8rem 0 0; font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 1.02; }
.guide-cta-grid > div:last-child > p { color: rgba(255, 255, 255, 0.76); }
.guide-cta-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }

@media (max-width: 900px) {
  .guide-hero-grid,
  .guide-layout,
  .guide-cta-grid { grid-template-columns: minmax(0, 1fr); }
  .guide-content,
  .guide-toc { min-width: 0; }
  .guide-toc { position: static; }
  .guide-toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .guide-hero { padding-top: 1.2rem; }
  .breadcrumb { padding-bottom: 2rem; }
  .answer-card { box-shadow: 9px 9px 0 var(--green); }
  .guide-toc ol { grid-template-columns: 1fr; }
  .guide-step { grid-template-columns: 3rem 1fr; gap: 0.8rem; }
  .guide-step > span { font-size: 2rem; }
  .source-notes li,
  .faq-section dl > div { grid-template-columns: 1fr; gap: 0.45rem; }
  .guide-cta-actions { display: grid; }
}

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