:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5d6a75;
  --line: #d9e1e8;
  --panel: #f7fafc;
  --paper: #ffffff;
  --accent: #0b6b78;
  --accent-strong: #084c56;
  --gold: #9b741d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #eef3f6;
  line-height: 1.55;
}

a { color: var(--accent); }
a:hover, a:focus { color: var(--accent-strong); }

.site-masthead {
  background: linear-gradient(rgba(248, 251, 252, 0.92), rgba(248, 251, 252, 0.92)), url("cog.png") 0 0 / 25px 25px repeat;
  border-bottom: 1px solid var(--line);
}

.site-masthead-inner {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1220px;
  min-height: 112px;
  padding: 22px 32px;
}

.brand-lockup {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.logo { display: inline-flex; line-height: 0; }
.logo img { display: block; height: auto; width: clamp(154px, 16vw, 218px); }

.logo-sub {
  color: var(--accent-strong);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-end;
}

.site-nav a,
.site-nav button {
  color: var(--ink);
  font: inherit;
}

.site-nav a { text-decoration: none; }
.site-nav a:hover,
.site-nav a.active { color: var(--accent-strong); }
.site-nav a.active { font-weight: 700; }
.site-nav button { background: transparent; border: 0; cursor: pointer; padding: 0; }

.course-link {
  background: var(--accent);
  border-radius: 999px;
  color: #fff !important;
  font-weight: 700;
  padding: 12px 18px;
}

.compact-artifact {
  background: linear-gradient(180deg, #f8fbfd 0%, #eef3f6 100%);
  border-bottom: 1px solid var(--line);
}

.compact-artifact-inner {
  margin: 0 auto;
  max-width: 1120px;
  padding: clamp(1.5rem, 4vw, 3.25rem) 24px;
}

.kicker {
  color: var(--gold);
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 0 0.55rem;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2rem, 5vw, 4.1rem);
  letter-spacing: 0;
  line-height: 1.02;
  margin: 0 0 0.75rem;
}

.lede {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 0;
  max-width: 56rem;
}

main {
  margin: 0 auto;
  max-width: 1120px;
  padding: 1.5rem 24px 3rem;
}

.breadcrumb {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.1rem;
}

.card h2 {
  font-size: 1.25rem;
  letter-spacing: 0;
  margin: 0 0 0.45rem;
}

.card p {
  color: var(--muted);
  margin: 0;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin: 0 auto;
  max-width: 1120px;
  padding: 1.5rem 24px;
  text-align: center;
}

@media (max-width: 720px) {
  .site-masthead-inner { align-items: flex-start; flex-direction: column; }
  .site-nav { gap: 12px; justify-content: flex-start; }
}



.search-box {
  width: min(100%, 34rem);
  min-height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.5rem 0.65rem;
  font: inherit;
  background: var(--paper);
  margin: 0 0 1.25rem;
}

.no-results {
  display: none;
  color: var(--muted);
  margin: 0 0 1rem;
}

body.no-results .no-results { display: block; }
body.has-filter [data-section-index-item][hidden] { display: none; }