:root {
  --ink: oklch(16% 0.008 250);
  --muted: oklch(52% 0.012 250);
  --rule: oklch(88% 0.008 250);
  --paper: oklch(98.7% 0.003 250);
  --panel: oklch(96.5% 0.008 155);
  --accent: oklch(53% 0.12 155);
  --page-pad: clamp(24px, 5.5vw, 96px);
  --page-shell: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.58 "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 4px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }

header, main, footer {
  width: min(100%, var(--page-shell));
  margin-inline: auto;
  padding-inline: var(--page-pad);
}
header {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  border-bottom: 1px solid var(--rule);
}
.brand {
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -.02em;
  text-decoration: none;
  white-space: nowrap;
}
.primary-nav {
  min-width: 0;
  display: flex;
  justify-content: flex-end;
  gap: clamp(14px, 1.8vw, 28px);
}
.primary-nav a, .footer-links a {
  color: var(--muted);
  font-size: 13px;
  text-decoration: none;
}
.primary-nav a:hover, .primary-nav a[aria-current="page"], .footer-links a:hover { color: var(--ink); }
.header-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 16px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
}
.header-cta:hover, .button.primary:hover { background: transparent; color: var(--ink); }
.primary { background: var(--ink); color: var(--paper); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .68fr);
  gap: clamp(52px, 8vw, 144px);
  align-items: end;
  padding-block: clamp(62px, 7vw, 104px) clamp(56px, 6vw, 88px);
  border-bottom: 1px solid var(--rule);
}
.hero-copy { max-width: 820px; }
.eyebrow, .field-label, .hero-guide > span, .hero-report-head > span {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .085em;
  text-transform: uppercase;
}
h1 {
  max-width: 19ch;
  margin: 14px 0 22px;
  font-size: clamp(40px, 3.6vw, 58px);
  font-weight: 430;
  line-height: 1.02;
  letter-spacing: -.052em;
  text-wrap: balance;
}
.hero-inner h1 { max-width: 19ch; font-size: clamp(40px, 3.7vw, 58px); }
.lead {
  max-width: 64ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(19px, 1.45vw, 22px);
  line-height: 1.47;
  letter-spacing: -.012em;
}
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 30px; }
.text-link { color: var(--ink); font-size: 14px; font-weight: 600; }

.hero-report, .hero-guide { align-self: end; border-top: 2px solid var(--ink); }
.hero-report { padding-top: 18px; }
.hero-report-head { display: grid; gap: 6px; margin-bottom: 18px; }
.hero-report-head strong { font-size: 17px; font-weight: 600; line-height: 1.3; }
.hero-report .metric { padding-block: 10px; font-size: 14px; }
.hero-report > p, .hero-guide > p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.hero-guide { padding-top: 16px; }
.hero-guide ol { margin: 13px 0 0; padding: 0; list-style: none; counter-reset: guide; }
.hero-guide li {
  counter-increment: guide;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.35;
}
.hero-guide li::before { content: "0" counter(guide); color: var(--muted); font-variant-numeric: tabular-nums; }

.content-section {
  display: grid;
  grid-template-columns: minmax(88px, 140px) minmax(0, 820px);
  gap: clamp(28px, 5vw, 86px);
  padding-block: clamp(48px, 5vw, 72px);
  border-bottom: 1px solid var(--rule);
}
.section-number { padding-top: 5px; color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.content-section h2, .report-preview h2, .question-set > h2, .source-set > h2 {
  max-width: 22ch;
  margin: 0 0 16px;
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 450;
  line-height: 1.08;
  letter-spacing: -.038em;
  text-wrap: balance;
}
.content-section p {
  max-width: 66ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 1.4vw, 21px);
  line-height: 1.52;
}
.content-section ul { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 22px 0 0; padding: 0; list-style: none; }
.content-section li { color: var(--ink); font-size: 14px; }
.content-section li::before { content: "•"; color: var(--accent); margin-right: 7px; }

.report-preview { max-width: 1080px; margin: clamp(50px, 6vw, 86px) 0; }
.report-preview figcaption {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 0 0 16px;
  border-bottom: 2px solid var(--ink);
  color: var(--muted);
  font-size: 13px;
}
.report-preview figcaption span { text-transform: uppercase; letter-spacing: .08em; }
.report-preview figcaption strong { color: var(--ink); font-weight: 600; }
.report-grid { display: grid; grid-template-columns: 1fr 1fr; }
.report-grid section { padding: 30px 0; }
.report-grid section + section { padding-left: clamp(30px, 5vw, 74px); }
.report-preview h2 { font-size: 25px; }
.metric { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px solid var(--rule); color: var(--muted); font-size: 15px; }
.metric strong { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; text-align: right; }
.hazard { display: flex; justify-content: space-between; gap: 30px; align-items: end; padding: 24px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.hazard strong { display: block; margin-top: 6px; font-size: 22px; font-weight: 550; }
.hazard p, .source-note { color: var(--muted); font-size: 14px; }
.source-note { margin: 0; padding: 20px 0 0; max-width: 80ch; }

.question-set, .source-set {
  display: grid;
  grid-template-columns: minmax(88px, 140px) minmax(0, 820px);
  gap: 0 clamp(28px, 5vw, 86px);
  padding-block: clamp(52px, 6vw, 84px);
  border-bottom: 1px solid var(--rule);
}
.question-set > .eyebrow, .source-set > .eyebrow { grid-column: 1; padding-top: 7px; }
.question-set > h2, .source-set > h2 { grid-column: 2; max-width: 18ch; }
.question-set article, .source-set article { grid-column: 2; max-width: 820px; padding: 20px 0; border-top: 1px solid var(--rule); }
.question-set article:first-of-type, .source-set article:first-of-type { margin-top: 8px; }
.question-set h3, .source-set h3 { margin: 0 0 8px; font-size: clamp(20px, 1.8vw, 25px); font-weight: 550; line-height: 1.25; letter-spacing: -.02em; }
.question-set p, .source-set p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.55; }
.source-set h3 a { color: var(--ink); }

footer {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(360px, 1fr);
  gap: clamp(50px, 8vw, 120px);
  padding-top: 48px;
  padding-bottom: 48px;
}
.footer-intro p { max-width: 52ch; color: var(--muted); font-size: 13px; line-height: 1.5; }
.footer-intro .maker { margin-top: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 26px; align-content: start; }
.not-found { min-height: 70vh; padding-top: 96px; }

@media (min-width: 1500px) {
  .hero { grid-template-columns: minmax(0, 760px) minmax(320px, 400px); gap: clamp(56px, 5vw, 88px); justify-content: space-between; }
  .content-section, .question-set, .source-set { grid-template-columns: 150px minmax(0, 860px); gap: 96px; }
}

@media (max-width: 980px) {
  header { grid-template-columns: 1fr auto; min-height: auto; padding-block: 18px; }
  .primary-nav { grid-row: 2; grid-column: 1 / -1; justify-content: flex-start; }
  .hero { grid-template-columns: minmax(0, 1fr) minmax(250px, .55fr); gap: 42px; }
  .hero-inner h1 { font-size: clamp(38px, 5.5vw, 52px); }
  footer { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 760px) {
  :root { --page-pad: 24px; }
  header { gap: 15px; }
  .primary-nav { overflow-x: auto; flex-wrap: nowrap; gap: 18px; padding-bottom: 2px; scrollbar-width: thin; }
  .primary-nav a { white-space: nowrap; }
  .hero { grid-template-columns: 1fr; gap: 42px; padding-block: 54px; }
  .hero-report, .hero-guide { width: 100%; }
  .content-section, .question-set, .source-set { grid-template-columns: 1fr; gap: 10px; }
  .question-set > .eyebrow, .source-set > .eyebrow, .question-set > h2, .source-set > h2, .question-set article, .source-set article { grid-column: 1; }
  .section-number { padding-top: 0; }
  .question-set > h2, .source-set > h2 { margin-top: 4px; }
  .question-set article:first-of-type, .source-set article:first-of-type { margin-top: 10px; }
}

@media (max-width: 540px) {
  :root { --page-pad: 20px; }
  body { font-size: 17px; }
  header { padding-block: 15px; }
  .brand { font-size: 14px; }
  .header-cta { display: none; }
  h1, .hero-inner h1 { max-width: none; font-size: clamp(34px, 9.8vw, 42px); line-height: 1.04; letter-spacing: -.045em; }
  .lead { font-size: 18px; }
  .hero { gap: 36px; padding-block: 46px; }
  .actions { align-items: flex-start; flex-direction: column; gap: 14px; margin-top: 26px; }
  .content-section { padding-block: 44px; }
  .content-section h2, .question-set > h2, .source-set > h2 { font-size: clamp(28px, 8vw, 36px); }
  .content-section p { font-size: 18px; }
  .report-grid { grid-template-columns: 1fr; }
  .report-grid section + section { padding-left: 0; border-top: 1px solid var(--rule); }
  .report-preview figcaption, .hazard { display: block; }
  .report-preview figcaption strong, .hazard p { display: block; margin-top: 8px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 360px) {
  :root { --page-pad: 16px; }
  h1, .hero-inner h1 { font-size: 34px; }
  .footer-links { grid-template-columns: 1fr; }
}

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