/* ===========================================================
   PAGE-GLOSSARY-HUB.CSS — alphabetical index + featured terms.
   Dictionary aesthetic: serif index, big letter pillars.
   =========================================================== */

.page--glossary-hub { background: var(--paper); }

.glo-mast {
  padding: var(--s-9) 0 var(--s-7);
  border-bottom: 4px double var(--ink);
}
.glo-mast__inner {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: var(--s-8);
  align-items: end;
}
.glo-mast__h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.94;
}
.glo-mast__h1 em { font-style: italic; color: var(--flag); }
.glo-mast__dictionary {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: right;
  line-height: 1.6;
  padding: var(--s-4);
  border: 1px solid var(--ink);
  background: var(--ledger);
}
.glo-mast__dictionary strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0;
  text-transform: none;
}
.glo-mast__sub {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 400;
  line-height: 1.45;
  color: var(--ink-dim);
  max-width: 56ch;
  margin-top: var(--s-5);
}

/* === ALPHABETICAL NAV === */
.glo-az {
  background: var(--ink);
  color: var(--paper);
  padding: var(--s-3) 0;
  position: sticky;
  top: 4.5rem;
  z-index: 50;
  border-bottom: 1px solid var(--stage-rim);
}
.glo-az__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
  justify-content: center;
}
.glo-az__btn {
  display: inline-grid;
  place-items: center;
  width: 2.4em;
  height: 2.4em;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--stage-dim);
  border-right: 1px solid var(--stage-rim);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.glo-az__btn:first-child { border-left: 1px solid var(--stage-rim); }
@media (hover: hover) {
  .glo-az__btn:hover { background: var(--flag); color: var(--paper); }
}
.glo-az__btn.is-disabled { color: var(--stage-rim); pointer-events: none; }
.glo-az__btn.is-active { color: var(--gold); }

/* === BUCKETS BY LETTER === */
.glo-list {
  padding-top: var(--s-8);
  padding-bottom: var(--s-8);
  /* T57: preserve wrap-grand horizontal padding; never zero-out left/right here */
}
.glo-bucket {
  padding: var(--s-7) 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--s-6);
  align-items: start;
}
.glo-bucket__letter {
  font-family: var(--font-display);
  font-size: clamp(6rem, 14vw, 10rem);
  font-weight: 500;
  font-style: italic;
  color: var(--flag);
  line-height: 0.85;
  text-align: center;
}
.glo-bucket__entries {
  display: grid;
  gap: var(--s-3);
  grid-template-columns: minmax(0, 1fr); /* T57: prevent min-content inflation on mobile */
}
.glo-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto; /* T57: 1fr col must have 0 minimum */
  gap: var(--s-4);
  padding: var(--s-4) var(--s-5);
  background: var(--ledger);
  border: 1px solid var(--rule);
  text-decoration: none;
  min-width: 0; /* T57: grid item must not inflate its track */
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
@media (hover: hover) {
  .glo-entry:hover {
    transform: translateX(4px);
    border-color: var(--ink);
  }
  .glo-entry:hover .glo-entry__term { color: var(--flag); }
}
.glo-entry__term {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.25em;
  overflow-wrap: break-word; /* T57: prevent long terms from inflating grid */
  word-break: break-word;
  transition: color var(--dur-fast) var(--ease);
}
.glo-entry__def {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink-dim);
  overflow-wrap: break-word; /* T57: prevent long definitions from inflating grid */
}
.glo-entry__cluster {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  align-self: start;
  padding: 0.25em 0.6em;
  background: var(--paper-deep);
  border-radius: var(--r-1);
  white-space: nowrap;
}

/* === FEATURED TERMS BAND === */
.glo-featured {
  background: var(--paper-deep);
  padding: var(--s-8) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.glo-featured__head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: var(--s-5);
  margin-bottom: var(--s-6);
  padding-bottom: var(--s-4);
  border-bottom: 2px solid var(--ink);
}
.glo-featured__head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.glo-featured__head h2 em { font-style: italic; color: var(--flag); }
.glo-featured__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
.glo-featured__card {
  background: var(--ledger);
  border: 1px solid var(--rule);
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
@media (hover: hover) {
  .glo-featured__card:hover { transform: translateY(-3px); border-color: var(--ink); }
}
.glo-featured__card-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--flag);
}
.glo-featured__card-term {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.glo-featured__card-def {
  font-family: var(--font-body);
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--ink-dim);
}
.glo-featured__card-link {
  margin-top: auto;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--flag);
}

@media (max-width: 900px) {
  .glo-mast__inner { grid-template-columns: 1fr; gap: var(--s-5); }
  .glo-bucket { grid-template-columns: minmax(0, 1fr); gap: var(--s-4); } /* T57: 0 minimum prevents track inflation */
  .glo-bucket__letter { text-align: left; font-size: 4rem; }
  .glo-featured__grid { grid-template-columns: 1fr; }
}