:root {
  --ink: #1f2428;
  --muted: #5a6470;
  --line: #d9e0e6;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --brand: #0f766e;
  --brand-dark: #0b554f;
  --accent: #c6532d;
  --soft: #edf6f4;
  --gold: #f2c14e;
  --radius: 8px;
  --shadow: 0 16px 40px rgba(31, 36, 40, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

a {
  color: var(--brand-dark);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 247, 0.96);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 7px;
  display: inline-grid;
  place-items: center;
  color: #fff;
  background: var(--brand);
  font-size: 14px;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover {
  color: var(--ink);
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 42px 24px 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 34px;
  align-items: stretch;
  min-height: 520px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 24px 0;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 13px;
  font-weight: 800;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(42px, 7vw, 72px);
}

h2 {
  margin: 36px 0 14px;
  font-size: 30px;
}

h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.lede {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  min-height: 44px;
  border: 1px solid var(--brand);
  border-radius: 7px;
  padding: 10px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  color: #fff;
  background: var(--brand);
}

.button.primary:hover {
  background: var(--brand-dark);
}

.button.secondary {
  color: var(--brand-dark);
  background: var(--surface);
}

.decision-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  display: grid;
  gap: 16px;
  align-content: center;
}

.decision-panel > div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.decision-panel strong,
.decision-panel a {
  display: block;
}

.decision-panel strong {
  margin: 4px 0 8px;
}

.panel-label,
.card-kicker {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.evidence-band {
  margin: 28px 0 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  background: var(--soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.evidence-band div {
  padding: 20px;
  border-right: 1px solid var(--line);
}

.evidence-band div:last-child {
  border-right: 0;
}

.evidence-band strong,
.evidence-band span {
  display: block;
}

.evidence-band strong {
  font-size: 30px;
}

.evidence-band span {
  color: var(--muted);
}

.section {
  margin-top: 58px;
}

.section-heading {
  max-width: 720px;
}

.card-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.card,
.mini-card,
.tool-card,
.disclosure,
.cta-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.card {
  min-height: 190px;
  padding: 22px;
  color: var(--ink);
  text-decoration: none;
}

.card:hover {
  border-color: var(--brand);
}

.card p,
.mini-card p,
.tool-card p {
  color: var(--muted);
}

.article-shell,
.landing-shell {
  max-width: 860px;
  margin: 0 auto;
}

.article-header {
  padding: 24px 0 18px;
}

.article-content {
  font-size: 17px;
}

.article-content p {
  max-width: 760px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 14px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--soft);
  font-size: 14px;
}

tr:last-child td {
  border-bottom: 0;
}

.disclosure {
  padding: 16px;
  background: #fff8e1;
  border-color: #e7c960;
}

.tool-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0;
}

.tool-card,
.mini-card {
  padding: 18px;
}

.tool-card dl {
  margin: 16px 0;
}

.tool-card dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.tool-card dd {
  margin: 0 0 10px;
}

.text-link {
  font-weight: 800;
}

.check-list,
.number-list {
  padding-left: 22px;
}

.check-list li,
.number-list li {
  margin: 8px 0;
}

.cta-panel {
  margin: 36px 0;
  padding: 24px;
  background: var(--soft);
}

.cta-panel h2 {
  margin-top: 0;
}

.landing-hero {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.chooser-hero {
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(198, 83, 45, 0.08)),
    var(--surface);
}

.chooser-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 22px;
  align-items: start;
}

.chooser-form,
.chooser-result {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 22px;
}

.chooser-form {
  display: grid;
  gap: 18px;
}

.chooser-form fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 0;
  padding: 16px;
}

.chooser-form legend {
  padding: 0 6px;
  font-weight: 800;
}

.chooser-form label {
  display: block;
  margin: 10px 0;
  color: var(--muted);
  cursor: pointer;
}

.chooser-form input {
  margin-right: 8px;
  accent-color: var(--brand);
}

.chooser-result {
  position: sticky;
  top: 92px;
  background: var(--soft);
}

.chooser-result h2 {
  margin-top: 0;
}

.muted {
  color: var(--muted);
}

.sources {
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.sources h2 {
  font-size: 22px;
  margin-top: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 24px;
  color: var(--muted);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-inner a {
  color: var(--muted);
  margin-left: 12px;
}

@media (max-width: 840px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  h1 {
    font-size: 42px;
  }

  .evidence-band,
  .card-grid.three,
  .card-grid.two,
  .tool-list,
  .chooser-shell {
    grid-template-columns: 1fr;
  }

  .chooser-result {
    position: static;
  }

  .evidence-band div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .evidence-band div:last-child {
    border-bottom: 0;
  }

  table {
    display: block;
    overflow-x: auto;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}