.guide-shell {
  margin: 0 auto;
  max-width: 1280px;
  padding: 44px 24px 120px;
}

.breadcrumbs {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 13px;
  gap: 10px;
  margin-bottom: 58px;
}

.breadcrumbs a { text-decoration: underline; text-underline-offset: 4px; }

.guide-hero { max-width: 1040px; }

.guide-eyebrow {
  color: var(--orange);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.15em;
  margin: 0 0 18px;
}

.guide-hero h1,
.cluster-hero h1 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(52px, 7.5vw, 104px);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.94;
  margin: 0;
}

.guide-deck {
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.55;
  margin: 34px 0 28px;
  max-width: 850px;
}

.guide-meta {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 12px 28px;
  padding-top: 18px;
}

.answer-box {
  background: var(--ink);
  color: var(--paper-bright);
  margin: 72px 0;
  max-width: 1040px;
  padding: clamp(28px, 5vw, 58px);
}

.answer-box > p:first-child { color: var(--lime); font-size: 11px; font-weight: 800; letter-spacing: 0.14em; }
.answer-box h2 { font: 600 clamp(30px, 4vw, 48px)/1.05 "Space Grotesk", sans-serif; margin: 12px 0 20px; }
.answer-box > p:last-child { font-size: 18px; line-height: 1.65; margin: 0; max-width: 820px; }

.article-layout {
  display: grid;
  gap: 68px;
  grid-template-columns: minmax(0, 780px) 240px;
  justify-content: space-between;
}

.guide-section {
  border-top: 1px solid var(--ink);
  display: grid;
  gap: 32px;
  grid-template-columns: 220px 1fr;
  padding: 36px 0;
}

.guide-section h2,
.source-notes h2 {
  font: 600 23px/1.2 "Space Grotesk", sans-serif;
  margin: 0;
}

.guide-section p,
.source-notes p,
.source-notes li {
  font-size: 17px;
  line-height: 1.72;
  margin: 0 0 18px;
}

.guide-section p:last-child { margin-bottom: 0; }

.guide-rail {
  align-self: start;
  border-top: 4px solid var(--lime);
  display: grid;
  gap: 0;
  position: sticky;
  top: 108px;
}

.guide-rail strong { padding: 18px 0 12px; }
.guide-rail a { border-top: 1px solid var(--line); font-size: 13px; font-weight: 700; line-height: 1.4; padding: 14px 0; }
.guide-rail a:hover { color: var(--teal); }

.decision-check,
.guide-verdict {
  background: var(--paper-bright);
  border: 1px solid var(--ink);
  box-shadow: 10px 10px 0 rgba(24, 50, 47, 0.1);
  margin: 48px 0 72px;
  padding: clamp(26px, 5vw, 48px);
}

.decision-check h2,
.guide-verdict h2,
.cluster-end h2 {
  font: 600 clamp(32px, 4vw, 50px)/1.04 "Space Grotesk", sans-serif;
  letter-spacing: -0.035em;
  margin: 0 0 24px;
}

.decision-check ul { display: grid; gap: 12px; list-style: none; margin: 0; padding: 0; }
.decision-check li { border-top: 1px solid var(--line); font-size: 16px; font-weight: 700; padding: 13px 0 0 34px; position: relative; }
.decision-check li::before { color: var(--teal); content: "✓"; font-size: 20px; left: 0; position: absolute; top: 8px; }

.guide-verdict { background: var(--lime); box-shadow: 10px 10px 0 var(--ink); }
.guide-verdict > p:not(.guide-eyebrow, .affiliate-note) { font-size: 17px; line-height: 1.6; }
.guide-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.button-outline { border: 1px solid var(--ink); }
.button-outline:hover { background: var(--paper-bright); }
.affiliate-note { font-size: 12px; line-height: 1.5; margin: 18px 0 0; }

.source-notes { border-top: 1px solid var(--ink); padding: 36px 0; }
.source-notes ul { margin: 18px 0 0; padding-left: 20px; }
.source-notes a { text-decoration: underline; text-underline-offset: 4px; }

.cluster-hero {
  display: grid;
  gap: 60px;
  grid-template-columns: 1.15fr 0.85fr;
  margin: 0 auto;
  max-width: 1280px;
  padding: 110px 24px 90px;
}

.cluster-hero h1 span { color: var(--orange); }
.cluster-hero > div:last-child { align-self: end; }
.cluster-hero > div:last-child p { font-size: 19px; line-height: 1.65; margin: 0 0 30px; }

.cluster-principles {
  background: var(--ink);
  color: var(--paper-bright);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1440px;
  padding: 0 max(24px, 6vw);
}

.cluster-principles div { border-right: 1px solid rgba(255,255,255,.22); padding: 30px 34px; }
.cluster-principles div:first-child { padding-left: 0; }
.cluster-principles div:last-child { border-right: 0; }
.cluster-principles strong { color: var(--lime); display: block; font: 600 20px "Space Grotesk", sans-serif; }
.cluster-principles span { display: block; font-size: 13px; margin-top: 7px; }

.cluster-grid { margin: 0 auto; max-width: 1280px; padding: 110px 24px; }
.cluster-grid > header { display: grid; gap: 28px 60px; grid-template-columns: .85fr 1.15fr; margin-bottom: 60px; }
.cluster-grid > header .guide-eyebrow { grid-column: 1 / -1; margin-bottom: -8px; }
.cluster-grid > header h2 { font: 500 clamp(42px, 5vw, 70px)/.98 "Space Grotesk", sans-serif; letter-spacing: -.05em; margin: 0; }
.cluster-grid > header > p:last-child { font-size: 18px; line-height: 1.65; margin: 0; }

.guide-grid { border-top: 1px solid var(--ink); display: grid; grid-template-columns: repeat(2, 1fr); }
.guide-card { border-bottom: 1px solid var(--line); min-height: 360px; padding: 34px; position: relative; }
.guide-card:nth-child(odd) { border-right: 1px solid var(--line); padding-left: 0; }
.guide-card > span { color: var(--orange); font: 600 18px "Space Grotesk", sans-serif; }
.guide-card > p:nth-of-type(1) { font-size: 10px; font-weight: 800; letter-spacing: .13em; margin: 24px 0 10px; }
.guide-card h2 { font: 600 clamp(25px, 3vw, 35px)/1.08 "Space Grotesk", sans-serif; letter-spacing: -.035em; margin: 0; }
.guide-card h2 a::after { content: ""; inset: 0; position: absolute; }
.guide-card > p:nth-of-type(2) { color: #3e4d4b; line-height: 1.6; max-width: 500px; }
.card-link { font-size: 13px; font-weight: 800; }
.guide-card:hover { background: var(--paper-bright); }

.cluster-end { background: var(--lime); margin: 0 auto 110px; max-width: 1232px; padding: clamp(38px, 7vw, 82px); }
.cluster-end h2 { max-width: 850px; }

.cluster-preview {
  display: grid;
  gap: 64px;
  grid-template-columns: .8fr 1.2fr;
  margin: 0 auto;
  max-width: 1280px;
  padding: 110px 24px;
}

.cluster-preview header { align-self: start; position: sticky; top: 118px; }
.cluster-preview h2 { font: 500 clamp(40px, 5vw, 66px)/.98 "Space Grotesk", sans-serif; letter-spacing: -.055em; margin: 0; }
.cluster-preview header > p:not(.guide-eyebrow) { font-size: 17px; line-height: 1.65; margin: 28px 0; }
.cluster-preview-grid { border-top: 1px solid var(--ink); }
.cluster-preview-grid a { border-bottom: 1px solid var(--line); display: grid; gap: 8px; padding: 28px 18px; }
.cluster-preview-grid a:hover { background: var(--paper-bright); }
.cluster-preview-grid span { color: var(--orange); font-size: 10px; font-weight: 800; letter-spacing: .13em; }
.cluster-preview-grid strong { font: 600 clamp(24px, 3vw, 34px)/1.08 "Space Grotesk", sans-serif; }
.cluster-preview-grid small { color: var(--muted); font-size: 13px; }

@media (max-width: 980px) {
  .article-layout { display: block; }
  .guide-rail { display: none; }
  .cluster-hero { grid-template-columns: 1fr; }
  .cluster-hero > div:last-child { max-width: 700px; }
  .cluster-preview { grid-template-columns: 1fr; }
  .cluster-preview header { position: static; }
}

@media (max-width: 720px) {
  .guide-shell { padding-top: 28px; }
  .breadcrumbs { margin-bottom: 38px; }
  .guide-section { display: block; }
  .guide-section h2 { margin-bottom: 22px; }
  .guide-actions .button { width: 100%; }
  .cluster-hero { padding-top: 72px; }
  .cluster-principles { display: block; padding: 16px 24px; }
  .cluster-principles div, .cluster-principles div:first-child { border-bottom: 1px solid rgba(255,255,255,.22); border-right: 0; padding: 22px 0; }
  .cluster-principles div:last-child { border-bottom: 0; }
  .cluster-grid { padding-top: 78px; }
  .cluster-grid > header { display: block; }
  .cluster-grid > header h2 { margin-bottom: 24px; }
  .guide-grid { display: block; }
  .guide-card, .guide-card:nth-child(odd) { border-right: 0; min-height: 0; padding: 30px 0; }
  .cluster-end { margin: 0 24px 72px; }
}

@media (max-width: 400px) {
  .site-header { gap: 6px; padding-left: 10px; padding-right: 10px; }
  .site-header .brand { gap: 7px; }
  .site-header .brand img { width: 34px; }
  .site-header .brand-copy strong { font-size: 15px; }
  .site-header .header-action { font-size: 10px; line-height: 1.2; max-width: 116px; padding: 9px 8px; text-align: center; white-space: normal; }
}