:root {
  --paper: #f1f4ef;
  --card: #ffffff;
  --ink: #1c2733;
  --muted: #586979;
  --accent: #0b8790;
  --line: rgba(28, 39, 51, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
    Helvetica, Arial, sans-serif;
}

.site {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

header {
  padding: 56px 0 38px;
  border-bottom: 1px solid var(--line);
}

.brand {
  margin: 0 0 28px;
  color: var(--accent);
  font-size: 18px;
  font-weight: 750;
  letter-spacing: 0.04em;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.intro {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.55;
}

main {
  padding: 44px 0 72px;
}

.exhibits-heading {
  margin: 0 0 20px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.exhibit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 22px;
}

.exhibit-card {
  display: block;
  padding: 28px;
  min-height: 230px;
  background: var(--card);
  border: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.exhibit-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(28, 39, 51, 0.08);
}

.exhibit-number {
  color: var(--accent);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.exhibit-card h2 {
  margin: 44px 0 12px;
  max-width: 500px;
  font-size: 27px;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.exhibit-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

footer {
  padding: 24px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 600px) {
  .site {
    width: min(100% - 30px, 1180px);
  }

  header {
    padding-top: 34px;
  }

  h1 {
    font-size: 42px;
  }
}

/* Homepage motto — intentionally secondary to the exhibits */
header h1 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
}