:root {
  --ink: #1d211d;
  --muted: #6e746d;
  --paper: #f4f1e9;
  --paper-deep: #e9e4d8;
  --line: rgba(29, 33, 29, .16);
  --lime: #c7e866;
  --lime-deep: #95b83b;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
.topline { height: 5px; background: var(--lime); }
.shell { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; padding: 28px 0 24px; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; gap: 12px; align-items: center; text-decoration: none; font-size: 14px; letter-spacing: .08em; font-weight: 800; text-transform: uppercase; }
.mark { display: inline-grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--ink); border-radius: 50%; font-size: 12px; line-height: 1; }
.mark span { color: var(--lime-deep); }
.header-note, .eyebrow { color: var(--muted); font-size: 10px; letter-spacing: .18em; font-weight: 800; text-transform: uppercase; }
.header-note { letter-spacing: .12em; }
.hero { display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr); gap: clamp(44px, 8vw, 112px); align-items: center; padding: 82px 0 74px; }
.eyebrow { margin: 0 0 16px; }
.eyebrow span { color: var(--lime-deep); padding: 0 5px; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 670px; margin-bottom: 22px; font-size: clamp(48px, 6vw, 86px); line-height: .98; letter-spacing: -.065em; font-weight: 800; }
.dek { max-width: 560px; margin-bottom: 24px; color: #4d534d; font-size: clamp(18px, 2vw, 23px); line-height: 1.45; }
.hero-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 34px; color: var(--muted); font-size: 12px; }
.dot { width: 4px; height: 4px; border-radius: 50%; background: var(--lime-deep); }
.button { display: inline-flex; align-items: center; gap: 14px; padding: 13px 17px; border: 1px solid var(--ink); text-decoration: none; font-size: 12px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.button.primary { background: var(--ink); color: var(--paper); }
.button:hover { background: var(--lime); color: var(--ink); }
.hero-media { margin: 0; }
.hero-media img { display: block; width: 100%; aspect-ratio: 2 / 3; object-fit: cover; object-position: center; filter: saturate(.82) contrast(1.03); }
figcaption { margin-top: 10px; color: var(--muted); font-size: 11px; }
.signal-row { display: grid; grid-template-columns: 110px 1fr; gap: 30px; padding: 28px 0 36px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-number { color: var(--lime-deep); font-size: 42px; line-height: 1; letter-spacing: -.06em; }
.signal-row .eyebrow { margin-bottom: 8px; }
.signal-copy { max-width: 780px; margin: 0; font-size: clamp(20px, 3vw, 32px); line-height: 1.17; letter-spacing: -.035em; }
.article { padding: 86px 0 110px; }
.article-grid { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: clamp(42px, 8vw, 120px); }
.rail { position: sticky; top: 26px; align-self: start; }
.rail a { display: block; padding: 7px 0; color: #5e645d; font-size: 13px; text-decoration: none; }
.rail a:hover { color: var(--ink); }
.rail-line { height: 1px; margin: 22px 0; background: var(--line); }
.rail-note { color: var(--muted); font-size: 12px; line-height: 1.5; }
.article-body { max-width: 800px; }
.content-section { margin-bottom: 100px; }
.content-section h2, .next-card h2 { margin-bottom: 20px; font-size: clamp(34px, 4vw, 56px); line-height: 1.03; letter-spacing: -.055em; }
.content-section p { color: #515850; font-size: 17px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
.section-heading h2 { margin-bottom: 0; }
.section-count { color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.idea-list { border-top: 1px solid var(--line); }
.idea { display: grid; grid-template-columns: 46px 1fr; gap: 18px; padding: 23px 0 26px; border-bottom: 1px solid var(--line); }
.idea-number { color: var(--lime-deep); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.idea h3 { margin-bottom: 5px; font-size: 20px; line-height: 1.2; letter-spacing: -.02em; }
.idea p { margin-bottom: 0; font-size: 15px; line-height: 1.5; }
.checklist-section { padding: 46px 0 0; border-top: 1px solid var(--line); }
.checklist { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 34px; background: var(--line); border: 1px solid var(--line); }
.checklist > div { min-height: 180px; padding: 23px 20px; background: var(--paper-deep); }
.checklist span { display: block; margin-bottom: 25px; color: var(--lime-deep); font-size: 12px; font-weight: 800; }
.checklist strong { display: block; margin-bottom: 6px; font-size: 18px; }
.checklist p { margin-bottom: 0; font-size: 14px; line-height: 1.45; }
.next-card { display: flex; justify-content: space-between; gap: 32px; padding: 28px; background: var(--ink); color: var(--paper); }
.next-card .eyebrow { color: #a9b09f; }
.next-card h2 { max-width: 560px; margin-bottom: 13px; color: var(--paper); font-size: clamp(28px, 4vw, 50px); }
.next-card p { max-width: 580px; margin-bottom: 0; color: #c6cbc1; font-size: 15px; }
.next-arrow { align-self: start; color: var(--lime); font-size: 35px; line-height: 1; }
.disclosure { margin: 32px 0 0; color: var(--muted); font-size: 11px !important; line-height: 1.5; }
.site-footer { display: flex; justify-content: space-between; padding: 22px 0 34px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }

@media (max-width: 820px) {
  .shell { width: min(var(--max), calc(100% - 32px)); }
  .header-note { display: none; }
  .hero { grid-template-columns: 1fr; gap: 44px; padding: 58px 0 54px; }
  h1 { font-size: clamp(48px, 15vw, 76px); }
  .hero-media { max-width: 620px; }
  .article { padding-top: 64px; }
  .article-grid { grid-template-columns: 1fr; gap: 35px; }
  .rail { position: static; display: flex; flex-wrap: wrap; align-items: center; gap: 0 18px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
  .rail .eyebrow { flex-basis: 100%; }
  .rail-line, .rail-note { display: none; }
}

@media (max-width: 560px) {
  .signal-row { grid-template-columns: 60px 1fr; gap: 18px; }
  .signal-number { font-size: 30px; }
  .signal-copy { font-size: 22px; }
  .content-section { margin-bottom: 70px; }
  .section-heading { align-items: start; flex-direction: column; gap: 8px; }
  .checklist { grid-template-columns: 1fr; }
  .checklist > div { min-height: auto; }
  .next-card { padding: 22px; }
  .site-footer { flex-direction: column; gap: 8px; }
}