:root {
  --ink: #10243f;
  --muted: #5f7183;
  --teal: #078b88;
  --blue: #1b5f8f;
  --gold: #c47a25;
  --soft: #effafa;
  --wash: #f7fbff;
  --line: #d8e5e9;
  --paper: #ffffff;
  --shadow: 0 22px 60px rgba(13, 45, 65, 0.12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  min-height: 76px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  color: var(--ink);
  font-weight: 900;
  font-size: 20px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 14px;
  font-weight: 800;
}

.hero {
  min-height: 520px;
  padding: 42px max(20px, calc((100vw - 1180px) / 2)) 46px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 430px);
  gap: 58px;
  align-items: center;
  background: linear-gradient(135deg, #ffffff 0%, var(--wash) 55%, var(--soft) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.program {
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 800px;
  margin-bottom: 24px;
  font-size: 84px;
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 48px;
  line-height: 1.08;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 25px;
  line-height: 1.45;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--teal);
  border-radius: 6px;
  background: var(--teal);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
}

.button.secondary {
  background: transparent;
  color: var(--teal);
}

.button:hover {
  text-decoration: none;
}

.hero-visual {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  height: 280px;
  object-fit: contain;
  display: block;
  padding: 30px;
  background: linear-gradient(180deg, #f5fbff 0%, #ffffff 100%);
}

.visual-notes {
  display: grid;
  gap: 1px;
  background: var(--line);
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.visual-notes span {
  padding: 13px 16px;
  background: white;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 84px 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 40px;
  align-items: start;
}

.intro > div:first-child p,
.section-head p,
.measure-grid p,
.pathway p,
.pathway li,
.source-grid span {
  color: var(--muted);
}

.intro > div:first-child p,
.section-head p,
.pathway p {
  font-size: 20px;
}

.fact-grid {
  display: grid;
  gap: 16px;
}

.fact-grid article,
.measure-grid article,
.finding-list article,
.source-grid a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 32px rgba(16, 36, 63, 0.06);
}

.fact-grid article {
  padding: 24px;
}

.fact-grid strong,
.fact-grid span {
  display: block;
}

.fact-grid strong {
  color: var(--blue);
  font-size: 20px;
}

.fact-grid span {
  margin-top: 8px;
  color: var(--muted);
}

.band {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.measure-section {
  padding-top: 78px;
  padding-bottom: 78px;
}

.section-head {
  max-width: 860px;
  margin-bottom: 34px;
}

.measure-grid,
.source-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.measure-grid article {
  padding: 30px;
}

.measure-grid h3 {
  color: var(--blue);
}

.finding-list {
  display: grid;
  gap: 14px;
}

.finding-list article {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  padding: 24px 28px;
}

.finding-list span {
  color: var(--gold);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.finding-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 20px;
}

.pathway {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  gap: 44px;
  align-items: start;
}

.pathway ul {
  margin: 0;
  padding: 30px 30px 30px 50px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.pathway li + li {
  margin-top: 12px;
}

.evidence {
  border-top: 1px solid var(--line);
}

.source-grid a {
  display: block;
  padding: 26px;
}

.source-grid strong,
.source-grid span {
  display: block;
}

.source-grid strong {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 20px;
}

footer {
  padding: 34px max(20px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  background: var(--ink);
  color: #fff;
}

footer p {
  margin: 0;
  font-weight: 800;
}

footer a {
  color: #fff;
}

@media (max-width: 900px) {
  .site-header,
  .hero,
  .intro,
  .pathway,
  .measure-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px 0;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }

  .hero-visual {
    max-width: 430px;
  }
}

@media (max-width: 560px) {
  .site-header,
  .section {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: 48px;
  }

  h2 {
    font-size: 34px;
  }

  .lead,
  .finding-list p {
    font-size: 19px;
  }

  .finding-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  footer {
    flex-wrap: wrap;
  }
}