:root {
  --site-width: 1160px;
  --hero-blue: #082d40;
  --rule-fade: linear-gradient(90deg, var(--color-copper), var(--color-lichen) 34%, transparent);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-color: var(--color-copper);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-atlantic);
}

a:focus-visible {
  outline: 3px solid var(--color-lichen);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--color-paper);
  color: var(--color-ink);
  font-weight: 700;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  min-height: 92vh;
  background:
    linear-gradient(135deg, rgba(8, 45, 64, 0.98), rgba(22, 71, 102, 0.94) 52%, rgba(63, 111, 78, 0.9)),
    var(--hero-blue);
  color: var(--color-white);
}

.nav,
.hero,
.evidence-band,
.section,
.footer {
  width: min(var(--site-width), calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
  padding: 24px 0;
}

.brand,
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 500;
  text-decoration: none;
}

.brand {
  margin-right: auto;
}

.nav-links {
  display: flex;
  gap: 22px;
  align-items: center;
  overflow-x: auto;
  font-size: 0.94rem;
  font-weight: 700;
  white-space: nowrap;
}

.nav-links a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 64px;
  align-items: center;
  padding: 66px 0 64px;
}

.eyebrow,
.section-marker span,
.source-note strong,
.place-grid span,
.item-list span {
  font-family: var(--font-utility);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--color-lichen);
}

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

h1,
h2 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: 8.4rem;
  line-height: 0.88;
}

h1::after,
h2::after {
  content: "";
  display: block;
  width: min(440px, 100%);
  height: 5px;
  margin-top: 26px;
  background: var(--rule-fade);
}

h2 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: 5rem;
  line-height: 0.96;
}

.lead {
  max-width: 720px;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.36rem;
  line-height: 1.56;
}

.hero-copy > p:not(.eyebrow):not(.lead) {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.08rem;
  line-height: 1.68;
}

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

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--color-paper);
  color: var(--color-ink);
}

.button.secondary {
  color: var(--color-paper);
}

.hero-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  background: rgba(247, 243, 234, 0.08);
}

.hero-card img {
  display: block;
  width: 172px;
  margin: 0 auto 18px;
}

.hero-card dl {
  display: grid;
  gap: 16px;
  margin: 0;
}

.hero-card div {
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-card dt {
  margin-bottom: 5px;
  color: var(--color-lichen);
  font-family: var(--font-utility);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-card dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.96rem;
  line-height: 1.55;
}

.evidence-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding-bottom: 34px;
}

.evidence-band div {
  min-height: 116px;
  padding: 18px 20px;
  background: rgba(247, 243, 234, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.evidence-band > div > span {
  display: block;
  margin-bottom: 12px;
  color: var(--color-lichen);
  font-family: var(--font-utility);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.evidence-band strong {
  display: block;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.03rem;
  line-height: 1.45;
}

.section {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 56px;
  padding: 88px 0;
  border-top: 1px solid color-mix(in srgb, var(--color-ink) 14%, transparent);
}

.section-marker {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.section-marker img {
  width: 44px;
  height: 44px;
}

.section-marker span {
  margin-top: 13px;
  color: var(--color-atlantic);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 340px);
  gap: 36px;
  align-items: start;
}

.prose {
  max-width: 760px;
}

.prose p {
  color: color-mix(in srgb, var(--color-ink) 82%, transparent);
  font-size: 1.08rem;
  line-height: 1.72;
}

.prose p:last-child,
.source-note p:last-child {
  margin-bottom: 0;
}

.source-note {
  border-left: 4px solid var(--color-copper);
  padding: 18px 20px;
  background: color-mix(in srgb, var(--color-limestone) 34%, var(--color-white));
}

.source-note.wide {
  margin-top: 32px;
}

.source-note strong {
  display: block;
  margin-bottom: 10px;
}

.source-note p {
  color: color-mix(in srgb, var(--color-ink) 74%, transparent);
  font-size: 0.95rem;
  line-height: 1.55;
}

.place-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.place-grid article,
.item-list a,
.source-list {
  border: 1px solid color-mix(in srgb, var(--color-ink) 14%, transparent);
  background: var(--color-white);
}

.place-grid article {
  min-height: 170px;
  padding: 18px;
}

.place-grid span,
.item-list span {
  color: var(--color-atlantic);
}

.place-grid strong {
  display: block;
  margin: 14px 0 10px;
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 500;
}

.place-grid p {
  margin-bottom: 0;
  color: color-mix(in srgb, var(--color-ink) 72%, transparent);
  line-height: 1.5;
}

.item-list {
  display: grid;
  gap: 12px;
}

.item-list a {
  display: block;
  padding: 18px;
  text-decoration: none;
}

.item-list strong {
  display: block;
  margin-top: 10px;
  color: var(--color-ink);
  font-size: 1rem;
  line-height: 1.45;
}

.mark-feature {
  display: grid;
  grid-template-columns: minmax(180px, 300px) minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}

.mark-feature > img {
  border: 1px solid color-mix(in srgb, var(--color-ink) 14%, transparent);
  background: var(--color-white);
}

.source-list {
  margin: 0;
  padding: 18px 20px 18px 36px;
}

.source-list li {
  margin-bottom: 12px;
  line-height: 1.45;
}

.source-list li:last-child {
  margin-bottom: 0;
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 42px;
  padding: 48px 0 56px;
  border-top: 5px solid var(--color-copper);
}

.footer p {
  max-width: 760px;
  color: color-mix(in srgb, var(--color-ink) 72%, transparent);
  line-height: 1.62;
}

.footer nav {
  display: grid;
  gap: 10px;
  align-content: start;
}

@media (max-width: 920px) {
  .nav {
    align-items: flex-start;
  }

  .nav-links {
    max-width: 68vw;
    padding-bottom: 6px;
  }

  .hero,
  .evidence-band,
  .section,
  .content-grid,
  .mark-feature,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 36px;
    padding-top: 54px;
  }

  .hero-card {
    max-width: 310px;
  }

  .evidence-band {
    gap: 10px;
  }

  h1 {
    font-size: 4.5rem;
  }

  h2 {
    font-size: 3rem;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 0;
  }

  .nav {
    gap: 16px;
  }

  .brand {
    font-size: 1.25rem;
  }

  .nav-links {
    gap: 14px;
    max-width: 60vw;
    font-size: 0.82rem;
  }

  .hero,
  .section {
    padding: 56px 0;
  }

  .hero {
    padding-bottom: 34px;
  }

  .evidence-band {
    padding-bottom: 24px;
  }

  h1 {
    font-size: 3.45rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  .lead {
    font-size: 1.12rem;
  }

  .place-grid {
    grid-template-columns: 1fr;
  }
}

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