:root {
  --bg: #f7f0e8;
  --paper: #fff8f0;
  --ink: #3a2a2a;
  --muted: #7a6464;
  --rose: #8c4a4a;
  --line: #e0d0c4;
  --serif: "Iowan Old Style", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", Helvetica, sans-serif;
  --max: 920px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.65;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.5rem 0.8rem;
  background: var(--rose);
  color: #fff;
  text-decoration: none;
  font-family: var(--sans);
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  border-bottom: 1px solid var(--rose);
  background: #fff8f0;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.2rem;
}

.institution,
.acc {
  margin: 0;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rose);
}

.logo {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.25rem;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--rose);
  background: var(--paper);
  color: var(--ink);
  padding: 0.35rem 0.7rem;
  font: inherit;
}

.site-nav {
  display: flex;
  gap: 1.1rem;
  font-family: var(--sans);
  font-size: 0.88rem;
}

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

.hero {
  padding: 3.5rem 0 2rem;
}

h1 {
  margin: 0.4rem 0 0.8rem;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 400;
}

.lede,
.card p,
ol {
  color: var(--muted);
}

section {
  padding: 0 0 2rem;
}

h2 {
  margin: 0 0 0.7rem;
  font-size: 1.5rem;
  font-weight: 400;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.3rem 1.4rem;
  margin-bottom: 1.2rem;
  box-shadow: 0 8px 0 rgba(140, 74, 74, 0.08);
}

.card .acc {
  margin-bottom: 0.6rem;
}

dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.2rem 0 0;
}

dt {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rose);
}

dd {
  margin: 0.2rem 0 0;
}

.holdings {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

ol {
  margin: 0;
  padding-left: 1.1rem;
}

ol span {
  display: block;
  font-family: var(--sans);
  font-size: 0.8rem;
  color: var(--rose);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0 2.4rem;
  font-family: var(--sans);
  font-size: 0.85rem;
  color: var(--muted);
}

.missing {
  min-height: 70vh;
  display: grid;
  align-content: center;
}

:focus-visible {
  outline: 2px solid var(--rose);
  outline-offset: 3px;
}

@media (max-width: 860px) {
  .bar {
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-bottom: 0.8rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .institution {
    width: 100%;
  }

  dl,
  .holdings,
  .site-footer {
    grid-template-columns: 1fr;
  }
}