:root {
  --bg: #f4efe7;
  --paper: rgba(255, 251, 245, 0.94);
  --ink: #142433;
  --muted: #566677;
  --line: rgba(20, 36, 51, 0.14);
  --blue: #0a4f85;
  --teal: #0e7779;
  --gold: #b67a1c;
  --shadow: 0 24px 56px rgba(19, 29, 36, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(214, 183, 120, 0.25), transparent 28%),
    radial-gradient(circle at top right, rgba(87, 168, 175, 0.22), transparent 20%),
    linear-gradient(180deg, #f8f3eb 0%, #eee5d6 100%);
}

a {
  color: var(--blue);
}

img {
  display: block;
  width: 100%;
  height: auto;
}

.page-shell {
  width: min(1220px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.hero,
.fact-card,
.agency-panel,
.mission-card,
.access-card,
.source-block {
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.66);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  border-radius: 34px;
  padding: 32px;
}

.brand-mark {
  justify-self: end;
}

.brand-mark img {
  width: 168px;
  height: auto;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
}

h1,
h2 {
  font-family: "IBM Plex Serif", serif;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 12ch;
  font-size: clamp(2.9rem, 6.2vw, 4.8rem);
  line-height: 0.98;
}

h2 {
  font-size: clamp(1.9rem, 3.8vw, 2.8rem);
  line-height: 1.02;
}

h3 {
  font-size: 1.28rem;
}

h4 {
  font-size: 0.96rem;
  margin-bottom: 6px;
}

.lede,
.fact-card p,
.two-col-text p,
.mission-content p,
.detail-grid p,
.access-card p,
.source-list li,
.spec-table div {
  color: var(--muted);
  line-height: 1.68;
}

.lede {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: 1rem;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.hero-meta div,
.fact-strip div {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.54);
}

.meta-label,
.fact-strip span,
.spec-table span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.79rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section {
  margin-top: 28px;
}

.overview-grid,
.access-grid,
.sources-grid,
.detail-grid,
.spec-table,
.two-col-text,
.fact-strip {
  display: grid;
  gap: 18px;
}

.overview-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fact-card,
.agency-panel,
.access-card,
.source-block {
  border-radius: 30px;
  padding: 24px;
}

.fact-card h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.plain-list,
.source-list {
  margin: 14px 0 0;
  padding-left: 18px;
}

.plain-list li,
.source-list li {
  margin-top: 10px;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.agency-panel {
  overflow: hidden;
}

.two-col-text {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 6px;
}

.fact-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 20px;
}

.fact-strip strong {
  line-height: 1.45;
}

.mission-card {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: 0;
  overflow: hidden;
  border-radius: 32px;
  margin-top: 18px;
}

.mission-media {
  min-height: 100%;
  background: #d8ddd8;
}

.mission-media img {
  height: 100%;
  min-height: 100%;
  object-fit: cover;
}

.mission-content {
  padding: 24px 26px 28px;
}

.mission-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.mission-tag {
  margin: 0;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 20px;
}

.detail-grid > div,
.spec-table div {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.spec-table {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.spec-table strong {
  color: var(--ink);
  line-height: 1.5;
}

.access-grid,
.sources-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.yes {
  border-left: 8px solid #0b8a6f;
}

.mixed {
  border-left: 8px solid #c68922;
}

@media (max-width: 1040px) {
  .mission-card {
    grid-template-columns: 1fr;
  }

  .mission-media img {
    height: auto;
    max-height: 420px;
  }
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .brand-mark {
    order: -1;
    justify-self: end;
  }

  .hero-meta,
  .overview-grid,
  .two-col-text,
  .fact-strip,
  .detail-grid,
  .spec-table,
  .access-grid,
  .sources-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1220px);
    padding-top: 12px;
  }

  .hero,
  .fact-card,
  .agency-panel,
  .access-card,
  .source-block,
  .mission-content {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero,
  .fact-card,
  .agency-panel,
  .mission-card,
  .access-card,
  .source-block {
    border-radius: 24px;
  }
}
