/* ==========================================================================
   Site chrome — shared by every page.
   Token overrides for the chosen direction ("Index") live at the top.
   ========================================================================== */

:root {
  --font-display: "Instrument Serif", Georgia, "Times New Roman", serif;
}

/* --- Skip link ------------------------------------------------------------ */
.skip {
  position: absolute; left: 0.5rem; top: -3rem; z-index: 100;
  background: var(--ink); color: var(--paper);
  padding: 0.55rem 0.9rem;
  font-size: var(--t-sm);
  transition: top 0.2s var(--ease);
}
.skip:focus { top: 0.5rem; }

/* --- Top bar -------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 2rem;
  padding-block: 1.1rem;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.wordmark { font-size: var(--t-sm); letter-spacing: 0.18em; font-weight: 500; }
.wordmark span { color: var(--ink-faint); }

.nav { display: flex; gap: clamp(1rem, 2.5vw, 2.25rem); font-size: var(--t-sm); }
.nav .is-current { color: var(--accent); background-size: 100% 1px; }

/* --- Section heads -------------------------------------------------------- */
.section-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--ink);
}

/* --- Interior page heads (past, team, 404) -------------------------------- */
.page-head { padding-block: clamp(3rem, 9vh, 6rem) clamp(2rem, 5vh, 3.5rem); }
.page-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--t-2xl);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-top: clamp(0.75rem, 2vh, 1.25rem);
  text-wrap: balance;
}
.page-lede {
  max-width: var(--measure);
  margin-top: 1.25rem;
  font-size: var(--t-lg);
  line-height: 1.45;
  color: var(--ink-soft);
  text-wrap: pretty;
}

/* --- Past cohorts (homepage strip + archive page) ------------------------- */
.past { padding-block: 0 var(--stack); }
.past--full { padding-top: 0; }
.cohorts { border-top: 1px solid var(--ink); }
.past .section-head + .cohorts { border-top: 0; }

.cohort { border-bottom: 1px solid var(--rule); }
.cohort a {
  display: grid;
  grid-template-columns: 5rem 1fr 2rem;
  gap: 1rem;
  align-items: baseline;
  padding-block: 1.15rem;
  transition: padding-left 0.35s var(--ease), color 0.35s var(--ease);
}
.cohort a:hover { padding-left: 0.75rem; color: var(--accent); }
.cohort__year  { font-family: var(--font-mono); font-size: var(--t-sm); }
.cohort__title { font-family: var(--font-display); font-size: var(--t-lg); }
.cohort__go    { text-align: right; color: var(--ink-faint); }

.cohort.is-archived { color: var(--ink-faint); }
.cohort.is-archived a:hover { padding-left: 0; color: inherit; cursor: not-allowed; }

.past__note { margin-top: 1.25rem; }

/* --- Credits -------------------------------------------------------------- */
.credits-section { padding-bottom: var(--stack); }
.credits { border-top: 1px solid var(--ink); }
.credit {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding-block: 1.4rem;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 48rem) {
  .credit { grid-template-columns: 14rem 1fr; gap: 2rem; align-items: baseline; }
}
.credit__names { display: flex; flex-wrap: wrap; gap: 0.35rem 1.5rem; }
.credit__names li { font-family: var(--font-display); font-size: var(--t-lg); }

/* --- Footer --------------------------------------------------------------- */
.footer {
  padding-block: clamp(3rem, 8vw, 5rem);
  border-top: 1px solid var(--ink);
  display: flex; flex-wrap: wrap; gap: 2rem;
  justify-content: space-between; align-items: flex-end;
}
.cat-link {
  display: inline-block;
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: var(--t-xl);
  line-height: 1.05;
}
.cat-link:hover { color: var(--accent); }
.footer__end { display: flex; flex-direction: column; gap: 0.5rem; align-items: flex-start; font-size: var(--t-sm); }
.footer__legal { color: var(--ink-faint); }