:root {
  --bg: #f4efe7;
  --bg-deep: #101820;
  --ink: #14212b;
  --muted: #53606a;
  --panel: rgba(255, 255, 255, 0.68);
  --panel-deep: rgba(16, 24, 32, 0.92);
  --line: rgba(20, 33, 43, 0.1);
  --copper: #bf6b3d;
  --sand: #dbc49c;
  --sage: #7f9c8c;
  --shadow: 0 24px 80px rgba(20, 33, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(219, 196, 156, 0.65), transparent 28%),
    radial-gradient(circle at top right, rgba(127, 156, 140, 0.45), transparent 22%),
    linear-gradient(180deg, #faf6f0 0%, var(--bg) 44%, #ebe3d8 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(20, 33, 43, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 33, 43, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28), transparent 92%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar,
.hero-panel,
.story-card,
.section-dark,
.source-list a,
.footer {
  backdrop-filter: blur(16px);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.5);
}

.brand,
.eyebrow,
.panel-kicker,
.card-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.nav-copy,
.lede,
.story-card p,
.principles p,
.timeline p,
.source-list a {
  color: var(--muted);
}

.hero {
  padding: 24px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: end;
  padding-top: 52px;
}

.hero-copy h1,
.section-heading h2,
.footer h2 {
  font-family: "Space Grotesk", sans-serif;
  line-height: 0.98;
  margin: 0;
}

.hero-copy h1 {
  font-size: clamp(3.2rem, 7vw, 6.6rem);
  max-width: 10ch;
}

.eyebrow,
.panel-kicker,
.card-label {
  font-size: 0.75rem;
  color: var(--copper);
}

.lede {
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 62ch;
  margin: 20px 0 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--ink);
  color: #f7f1e7;
  box-shadow: var(--shadow);
}

.button-secondary {
  color: var(--ink);
  border: 1px solid rgba(20, 33, 43, 0.12);
  background: rgba(255, 255, 255, 0.52);
}

.hero-panel {
  padding: 22px;
  border-radius: 28px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.signal-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}

.signal-list li {
  position: relative;
  padding: 14px 0 14px 24px;
  border-top: 1px solid var(--line);
}

.signal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--copper), var(--sand));
}

.section {
  padding: 42px 0;
}

.section-heading {
  display: grid;
  gap: 8px;
  max-width: 760px;
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.story-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.story-card {
  min-height: 240px;
  padding: 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(20, 33, 43, 0.08);
  box-shadow: var(--shadow);
}

.story-card h3,
.principles h3,
.timeline h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.45rem;
  margin: 18px 0 12px;
}

.accent-copper {
  background: linear-gradient(180deg, rgba(191, 107, 61, 0.16), rgba(255, 255, 255, 0.76));
}

.accent-sand {
  background: linear-gradient(180deg, rgba(219, 196, 156, 0.3), rgba(255, 255, 255, 0.76));
}

.accent-slate {
  background: linear-gradient(180deg, rgba(127, 156, 140, 0.2), rgba(255, 255, 255, 0.76));
}

.section-dark {
  padding: 28px;
  border-radius: 36px;
  background:
    radial-gradient(circle at top right, rgba(191, 107, 61, 0.22), transparent 26%),
    linear-gradient(180deg, #0d1820 0%, #14212b 100%);
  color: #f6ede2;
  box-shadow: var(--shadow);
}

.section-dark .eyebrow,
.section-dark p {
  color: rgba(246, 237, 226, 0.74);
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.principles article {
  border-top: 1px solid rgba(246, 237, 226, 0.18);
  padding-top: 20px;
}

.timeline {
  position: relative;
  display: grid;
  gap: 18px;
  margin-top: 20px;
}

.timeline article {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.timeline-mark {
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-top: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ink), var(--copper));
  box-shadow: 0 0 0 6px rgba(191, 107, 61, 0.12);
}

.source-section {
  padding-bottom: 24px;
}

.source-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.source-list a {
  display: block;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.52);
  text-decoration: none;
}

.footer {
  margin-top: 18px;
  padding: 30px;
  border-radius: 30px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(20, 33, 43, 0.08);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .hero-grid,
  .story-grid,
  .principles,
  .source-list,
  .footer {
    grid-template-columns: 1fr;
  }

  .topbar,
  .footer {
    border-radius: 24px;
  }

  .footer {
    display: grid;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
  }

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

  .hero {
    padding-top: 8px;
  }

  .hero-grid {
    padding-top: 32px;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .section-dark,
  .story-card,
  .hero-panel,
  .footer {
    border-radius: 24px;
  }
}