:root {
  --hub-paper: #f7f5f2;
  --hub-ink: #1c1814;
  --hub-teal: #0d5c5c;
  --hub-terra: #c8553d;
  --hub-sage: #e8f0e8;
  --hub-line: rgba(28, 24, 20, 0.12);
  --hub-muted: #696860;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--hub-paper);
  color: var(--hub-ink);
}
.hub-wrap {
  width: min(1180px, calc(100% - 112px));
  margin-inline: auto;
}
.hub-breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 38px;
  color: var(--hub-muted);
  font-size: 13px;
}
.hub-breadcrumb a {
  text-decoration: none;
}
.hub-breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}
.hub-hero {
  padding: clamp(58px, 8vw, 108px) 0 clamp(64px, 8vw, 104px);
  overflow: hidden;
}
.hub-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.7fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: end;
}
.hub-kicker {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 24px;
  color: var(--hub-teal);
  font: 600 12px/1.4 var(--site-sans);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.hub-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--hub-terra);
}
.hub-hero h1 {
  max-width: 820px;
  margin: 0;
  font: 300 clamp(58px, 7.2vw, 102px)/0.95 var(--site-serif);
  letter-spacing: -0.055em;
}
.hub-hero h1 em {
  color: var(--hub-teal);
  font-weight: 300;
}
.hub-intro {
  max-width: 440px;
  padding: 26px 0 4px;
  border-top: 1px solid var(--hub-line);
  color: var(--hub-muted);
  font-size: 18px;
  line-height: 1.75;
}
.hub-section {
  padding: clamp(68px, 8vw, 110px) 0;
  border-top: 1px solid var(--hub-line);
}
.hub-section-head {
  display: grid;
  grid-template-columns: 0.65fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
  align-items: end;
}
.hub-section h2 {
  max-width: 620px;
  margin: 0;
  font: 300 clamp(42px, 5vw, 66px)/1 var(--site-serif);
  letter-spacing: -0.035em;
}
.hub-section-head p {
  max-width: 540px;
  margin: 0;
  color: var(--hub-muted);
  font-size: 17px;
  line-height: 1.7;
}
.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.hub-card {
  position: relative;
  display: flex;
  min-height: 275px;
  padding: 30px;
  flex-direction: column;
  border: 1px solid var(--hub-line);
  border-radius: 18px 48px 18px 18px;
  background: #fffdfa;
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}
.hub-card:hover,
.hub-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(13, 92, 92, 0.36);
  box-shadow: 0 18px 45px rgba(28, 24, 20, 0.08);
}
.hub-card-number {
  color: var(--hub-terra);
  font: 600 11px/1 var(--site-sans);
  letter-spacing: 0.13em;
}
.hub-card h3 {
  margin: 32px 0 13px;
  font: 300 clamp(30px, 3vw, 42px)/1.05 var(--site-serif);
  letter-spacing: -0.025em;
}
.hub-card p {
  max-width: 520px;
  margin: 0 0 24px;
  color: var(--hub-muted);
  line-height: 1.65;
}
.hub-card-link {
  display: flex;
  margin-top: auto;
  align-items: center;
  justify-content: space-between;
  color: var(--hub-teal);
  font-weight: 600;
}
.hub-card-link::after {
  content: "↗";
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 50%;
  background: var(--hub-sage);
  font-size: 18px;
}
.hub-groups {
  display: grid;
  gap: 54px;
}
.hub-section h2.hub-group-title {
  display: flex;
  max-width: none;
  margin: 0 0 18px;
  align-items: center;
  gap: 14px;
  color: var(--hub-teal);
  font: 600 12px/1.4 var(--site-sans);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.hub-group-title::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--hub-line);
}
.hub-compact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.hub-compact-card {
  display: flex;
  min-height: 190px;
  padding: 24px;
  flex-direction: column;
  border: 1px solid var(--hub-line);
  border-radius: 14px 34px 14px 14px;
  background: #fffdfa;
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}
.hub-compact-card:hover,
.hub-compact-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(13, 92, 92, 0.38);
}
.hub-compact-card h3 {
  margin: 0 0 12px;
  font: 300 30px/1.05 var(--site-serif);
}
.hub-compact-card p {
  margin: 0 0 18px;
  color: var(--hub-muted);
  font-size: 14px;
  line-height: 1.55;
}
.hub-compact-card span {
  margin-top: auto;
  color: var(--hub-teal);
  font-weight: 600;
}
.hub-foundation {
  background: #e9eee7;
}
.hub-foundation-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.4fr;
  gap: clamp(50px, 8vw, 110px);
}
.hub-foundation h2 {
  font-size: clamp(44px, 5.5vw, 70px);
}
.hub-points {
  display: grid;
  gap: 0;
}
.hub-point {
  padding: 24px 0;
  border-top: 1px solid rgba(13, 92, 92, 0.18);
}
.hub-point:last-child {
  border-bottom: 1px solid rgba(13, 92, 92, 0.18);
}
.hub-point h3 {
  margin: 0 0 7px;
  font: 300 28px/1.1 var(--site-serif);
}
.hub-point p {
  margin: 0;
  color: var(--hub-muted);
  line-height: 1.65;
}
.hub-crosslink {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 42px clamp(30px, 5vw, 60px);
  border-radius: 56px 18px 56px 18px;
  background: #ecdcd0;
}
.hub-crosslink h2 {
  margin: 0 0 8px;
  font: 300 clamp(38px, 4.5vw, 58px)/1 var(--site-serif);
}
.hub-crosslink p {
  max-width: 620px;
  margin: 0;
  color: #655b53;
  line-height: 1.65;
}
.hub-button {
  display: inline-flex;
  min-height: 52px;
  padding: 12px 24px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border-radius: 999px;
  background: var(--hub-teal);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.hub-button:hover {
  background: #094a4a;
}
.hub-challenges {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.hub-challenge {
  display: flex;
  min-height: 110px;
  padding: 20px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--hub-line);
  border-radius: 12px;
  background: #fffdfa;
  color: inherit;
  text-decoration: none;
}
.hub-challenge:hover {
  border-color: var(--hub-teal);
  color: var(--hub-teal);
}
@media (max-width: 900px) {
  .hub-wrap {
    width: min(100% - 48px, 720px);
  }
  .hub-hero-grid,
  .hub-section-head,
  .hub-foundation-grid {
    grid-template-columns: 1fr;
  }
  .hub-hero-grid {
    gap: 40px;
  }
  .hub-section-head {
    gap: 18px;
  }
  .hub-grid {
    grid-template-columns: 1fr;
  }
  .hub-compact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hub-challenges {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hub-crosslink {
    grid-template-columns: 1fr;
    justify-items: start;
  }
}
@media (max-width: 560px) {
  .hub-wrap {
    width: calc(100% - 40px);
  }
  .hub-hero {
    padding-top: 42px;
  }
  .hub-hero h1 {
    font-size: 55px;
  }
  .hub-intro {
    font-size: 16px;
  }
  .hub-card {
    min-height: 245px;
    padding: 24px;
  }
  .hub-compact-grid {
    grid-template-columns: 1fr;
  }
  .hub-challenges {
    grid-template-columns: 1fr;
  }
  .hub-crosslink {
    padding: 34px 25px;
    border-radius: 38px 14px 38px 14px;
  }
  .hub-button {
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  .hub-card,
  .hub-compact-card {
    transition: none;
  }
}