@font-face {
  font-family: Bricolage;
  src: url("../fonts/bricolage/bricolage-grotesque.woff2") format("woff2");
  font-weight: 400 800;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #fff;
  --canvas: #f7f6f0;
  --ink: #121e33;
  --navy: #121e33;
  --muted: #475571;
  --accent: #143fca;
  --rule: #d6d9da;
  --tint: #edf2ff;
  --display: Bricolage, system-ui, sans-serif;
  --mono: ui-monospace, Consolas, monospace;
  --numerals: system-ui, sans-serif;
}

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

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 1rem/1.55 system-ui, sans-serif;
}

a { color: inherit; text-underline-offset: .22em; }
a:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
p, h1, h2 { margin: 0; }
main { flex: 1; }

.shell { width: min(1152px, calc(100% - 5rem)); margin-inline: auto; }

.skip-link {
  position: absolute;
  z-index: 1;
  inset: .75rem auto auto .75rem;
  padding: .5rem 1rem;
  background: var(--paper);
  color: var(--ink);
  transform: translateY(-200%);
}

.skip-link:focus { transform: translateY(0); }

.site-header { background: var(--canvas); border-bottom: 1px solid var(--rule); color: var(--navy); }

.header-inner, .footer-inner {
  display: flex;
  width: min(1560px, 92%);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  font-size: .85rem;
  font-weight: 650;
  line-height: 1.3;
  text-decoration: none;
}

.brand-mark {
  display: block;
}

.brand small { display: block; margin-top: .15rem; color: var(--muted); font-weight: 450; }

.edition, .eyebrow, .tag {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.edition { color: var(--accent); font-family: var(--mono); text-align: right; }
.edition span { padding-inline: .3em; color: var(--muted); }

.eyebrow { color: var(--accent); font-family: var(--mono); }

h1 {
  margin-block: .7rem 1rem;
  color: var(--navy);
  font-size: clamp(2.9rem, 6.55vw, 6rem);
  font-weight: 750;
  line-height: .98;
  letter-spacing: -.072em;
}

.section-index {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-bottom: 1px solid var(--rule);
}

.section-index a {
  display: flex;
  align-items: center;
  gap: .6rem;
  min-height: 3.2rem;
  padding: .7rem clamp(.45rem, 2vw, 1.25rem);
  border-bottom: 3px solid transparent;
  color: var(--navy);
  font-family: var(--display);
  font-size: clamp(.86rem, 1.6vw, 1.05rem);
  font-weight: 650;
  text-decoration: none;
}

.section-index a + a { border-inline-start: 1px solid var(--rule); }
.section-index a:is(:hover, :focus-visible) { color: var(--accent); background: var(--paper); }
.section-index .index-number { color: var(--accent); font: 650 .74rem/1 var(--numerals); font-variant-numeric: tabular-nums; }
.section-index a[aria-current="page"] { border-bottom-color: var(--accent); background: var(--paper); color: var(--accent); }

.search-picker { position: relative; min-width: 0; }

.search-options {
  position: absolute;
  z-index: 2;
  top: calc(100% + .25rem);
  inset-inline: 0;
  max-height: 15rem;
  margin: 0;
  padding: .25rem;
  overflow-y: auto;
  border: 1px solid #aebfdc;
  background: white;
  box-shadow: 0 .5rem 1.25rem #213a6322;
  color: var(--ink);
  list-style: none;
  font-size: .88rem;
}

.search-options li { padding: .58rem .62rem; cursor: pointer; }
.search-options li:is(:hover, [aria-selected="true"]):not([aria-disabled="true"]) { background: var(--tint); color: var(--accent); }
.search-options [aria-disabled="true"] { color: var(--muted); cursor: default; }

.sample-note {
  margin-top: .95rem;
  color: var(--muted);
  font-size: .84rem;
}

.sample-note strong { color: var(--ink); }

.page-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(12rem, 24%);
  align-items: end;
  gap: 1.5rem clamp(1.5rem, 5vw, 5rem);
  padding-block: clamp(2.3rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 2.7rem);
}

.page-heading h1 {
  margin-block: .45rem .85rem;
  font: 800 clamp(2.65rem, 7vw, 6.25rem)/.94 var(--display);
  letter-spacing: -.032em;
}

.page-heading--single-line .page-intro { container-type: inline-size; }
.page-heading--single-line h1 { font-size: min(6.25rem, 8.1cqi); white-space: nowrap; }

.page-intro .eyebrow::before { display: inline-block; width: 1.65rem; height: 1px; margin-right: .65rem; background: currentColor; vertical-align: middle; content: ""; }
.page-intro > p:last-child { max-width: 56ch; padding-left: .9rem; border-left: 1px solid #aab6d7; color: var(--muted); font-size: clamp(.95rem, 1.5vw, 1.12rem); }
.chapter-mark {
  display: grid;
  min-height: 8.4rem;
  align-items: end;
  justify-items: end;
  padding: .55rem 1rem;
  border-bottom: 3px solid var(--accent);
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 250 136' preserveAspectRatio='none'%3E%3Cpath d='M-8 112 49 82 108 93 170 40 260 16' fill='none' stroke='%237b9de9' stroke-width='2' stroke-dasharray='2 5'/%3E%3Ccircle cx='49' cy='82' r='6' fill='%23f7f6f0' stroke='%23143fca' stroke-width='2'/%3E%3C/svg%3E") center / 100% 100% no-repeat,
    linear-gradient(#dbe5fb 1px, transparent 1px) 0 0 / 1.2rem 1.2rem,
    linear-gradient(90deg, #dbe5fb 1px, transparent 1px) 0 0 / 1.2rem 1.2rem var(--tint);
  color: var(--accent);
  font: 750 clamp(3.5rem, 7vw, 5.8rem)/1 var(--numerals);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.035em;
}
.card > p { color: var(--muted); }

.tag { color: var(--navy); letter-spacing: .08em; }

.sample {
  width: fit-content;
  color: var(--muted);
  font-size: .74rem;
  font-style: italic;
  font-weight: 450;
}

.grid { display: grid; gap: 1rem; }
.grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.card {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: clamp(1rem, 3vw, 1.8rem);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--accent);
  background: var(--paper);
}

.card-meta { display: flex; align-items: baseline; flex-wrap: wrap; gap: .25rem .7rem; }
.card h2 { color: var(--navy); font: 750 clamp(1.25rem, 2.4vw, 1.75rem)/1.15 var(--display); letter-spacing: -.02em; }
.card > p { font-size: .9rem; }
.card .deadline { margin-top: auto; padding-top: .3rem; color: var(--accent); font-size: .78rem; font-weight: 650; }
.practice { border-top-color: #8b9cb2; }

.site-footer {
  margin-top: clamp(2.4rem, 6vw, 5rem);
  border-top: 1px solid var(--rule);
  background: var(--canvas);
  color: var(--navy);
}
.footer-inner { flex-wrap: wrap; padding-block: 1.6rem; }
.footer-inner strong { font-size: 1.08rem; font-weight: 750; }
.footer-inner p, .footer-inner a { font-size: .85rem; }

@media (prefers-reduced-motion: no-preference) {
  .section-index a { transition: background-color 180ms, border-color 180ms, color 180ms; }
}

@media (max-width: 760px) {
  .shell { width: calc(100% - 2.5rem); }
  .header-inner, .footer-inner { width: 92%; }
  .section-index { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-index a:nth-child(3) { border-inline-start: 0; }
  .section-index a:nth-child(-n + 2) { box-shadow: 0 1px var(--rule); }
  .page-heading { grid-template-columns: minmax(0, 1fr); }
  .chapter-mark { display: none; }
  .grid-three { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .edition { display: none; }
  h1 { font-size: clamp(2.45rem, 11vw, 3.55rem); }
  .grid-two { grid-template-columns: 1fr; }

}