:root {
  --navy: #002147;
  --ink: #1b1b1b;
  --muted: #5a5a5a;
  --cream: #faf7f0;
  --rule: #d9d2bd;
  --max: 56rem;
  --gutter: clamp(1.25rem, 4vw, 2rem);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Crimson Pro", "EB Garamond", Georgia, serif;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* Header */
.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--navy);
  text-decoration: none;
}

.site-nav {
  display: flex;
  gap: 1.75rem;
  font-size: 1.15rem;
}

.site-nav a {
  color: var(--ink);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.site-nav a:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

.site-nav a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

/* Page body */
main {
  padding: clamp(2.5rem, 6vw, 4rem) 0 4rem;
}

h1 {
  font-family: "Crimson Pro", Georgia, serif;
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--navy);
  margin: 0 0 1rem;
  line-height: 1.15;
  letter-spacing: -0.005em;
}

h2 {
  font-family: "Crimson Pro", Georgia, serif;
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--navy);
  margin: 2.5rem 0 0.75rem;
}

p {
  margin: 0 0 1rem;
  max-width: 38em;
}

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

.cover {
  margin: 0 0 2.5rem;
}

.cover img {
  display: block;
  width: 100%;
  height: auto;
}

.tagline {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 2rem;
  max-width: 38em;
}

/* Definition-list-style facts */
.facts {
  margin: 2rem 0;
  border-top: 1px solid var(--rule);
}

.facts > div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1.5rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--rule);
}

.facts dt {
  color: var(--muted);
  font-size: 1rem;
}

.facts dd {
  margin: 0;
  color: var(--ink);
}

@media (max-width: 560px) {
  .facts > div { grid-template-columns: 1fr; gap: 0.15rem; padding: 0.75rem 0; }
}

/* Lists */
ul.plain {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

ul.plain li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--rule);
}

ul.plain li:first-child {
  border-top: 1px solid var(--rule);
}

.tba {
  color: var(--muted);
  font-style: italic;
}

.ack {
  margin-top: 2.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 1.05rem;
}

.ack-label {
  font-size: 0.95rem;
  margin: 0 0 0.75rem;
}

.logo-row {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.logo-row img {
  height: 14px;
  width: auto;
  display: block;
  opacity: 0.75;
}

.logo-row a:hover img {
  opacity: 1;
}

/* Timezone toggle */
.tz-toggle {
  display: inline-flex;
  margin-bottom: 1.25rem;
  border: 1px solid var(--navy);
  border-radius: 4px;
  overflow: hidden;
}

.tz-toggle button {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.4rem 1rem;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.tz-toggle button + button {
  border-left: 1px solid var(--navy);
}

.tz-toggle button:hover {
  color: var(--navy);
}

.tz-toggle button[aria-pressed="true"] {
  background: var(--navy);
  color: #fff;
  font-weight: 600;
}

.tz-toggle button[aria-pressed="true"]::before {
  content: "\2713\00a0";
}

/* Schedule */
table.schedule {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 2.5rem;
  font-size: 1.05rem;
}

table.schedule th,
table.schedule td {
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--rule);
  vertical-align: top;
  text-align: left;
}

table.schedule th {
  font-weight: 600;
  color: var(--navy);
  font-size: 1rem;
}

table.schedule td.time,
table.schedule th.time {
  width: 5.5rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

table.schedule td.time {
  color: var(--muted);
}

table.schedule .day-row td {
  font-weight: 600;
  color: var(--navy);
  background: rgba(0, 33, 71, 0.04);
}

table.schedule .day-row td > span {
  display: inline-block;
}

table.schedule .day-row .loc {
  float: right;
  font-weight: 400;
  font-size: 1rem;
  color: var(--muted);
}

/* Resources */
ul.resources li {
  padding: 0.9rem 0;
}

ul.resources li > a {
  font-weight: 500;
  font-size: 1.15rem;
}

ul.resources .src {
  color: var(--muted);
  font-size: 1rem;
  margin-left: 0.5rem;
}

ul.resources .blurb {
  margin: 0.25rem 0 0;
  font-size: 1.05rem;
  color: var(--ink);
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  font-size: 1rem;
  color: var(--muted);
}

.site-footer p { margin: 0.25rem 0; }