.decks-hero { display: grid; grid-template-columns: minmax(0, 1fr) 260px; align-items: center; gap: 48px; padding: 64px 0 48px; }
.decks-hero h1 { margin: 0; font-size: clamp(48px, 6.7vw, 96px); line-height: .92; letter-spacing: -.07em; }
.decks-hero h1 span { color: var(--teal); }
.decks-hero .portal-lede { max-width: 680px; margin-bottom: 0; }
.decks-stamp { display: grid; gap: 12px; padding: 28px; border: 2px solid var(--ink); border-radius: 16px; background: var(--lime); box-shadow: 7px 7px 0 var(--ink); transform: rotate(2deg); }
.decks-stamp > span:first-child { font: 900 40px var(--mono); }
.decks-stamp strong { font-size: 34px; line-height: 1.05; letter-spacing: -.04em; }
.decks-stamp > span:last-child { font: 700 12px/1.6 var(--mono); }
.decks-directory { padding: 0 0 72px; }
.decks-toolbar { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 24px; padding: 24px; border: 2px solid var(--ink); border-radius: 14px; background: var(--paper-raised); box-shadow: 4px 4px 0 var(--ink); }
.decks-toolbar .catalog-search { margin: 0; }
.decks-toolbar label { display: block; margin-bottom: 7px; color: var(--muted); font: 750 10px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.decks-category select { width: 100%; min-width: 0; min-height: 52px; padding: 10px 12px; border: 2px solid var(--ink); border-radius: 11px; background: var(--paper); color: var(--ink); font: 750 14px var(--sans); }
.decks-results-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin: 36px 0 24px; }
.decks-results-heading h2 { margin: 0; font-size: 26px; letter-spacing: -.04em; }
.decks-results-heading p { margin: 0; color: var(--muted); font: 700 11px/1.6 var(--mono); }
.deck-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.deck-card { display: flex; flex-direction: column; min-width: 0; padding: 24px; border: 2px solid var(--ink); border-top: 8px solid var(--deck-accent, var(--orange)); border-radius: 12px; background: var(--paper-raised); box-shadow: 4px 4px 0 var(--ink); }
.deck-card[hidden], .decks-empty[hidden] { display: none; }
.deck-card__category { margin: 0; color: var(--muted); font: 750 10px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.deck-card h3 { margin: 20px 0; font-size: 25px; line-height: 1.1; letter-spacing: -.04em; overflow-wrap: anywhere; }
.deck-card .course-card__topics { margin: 0 0 24px; }
.deck-card__link { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 44px; margin-top: auto; border-top: 2px solid var(--ink); padding-top: 14px; font-weight: 850; font-size: 14px; text-underline-offset: 5px; }
.deck-card__link:hover { color: var(--teal); }
.decks-empty { padding: 36px; border: 2px dashed var(--ink); border-radius: 14px; background: var(--paper-raised); }
.decks-empty h3 { margin-top: 0; }
.decks-main { overflow-wrap: anywhere; }
@media (max-width: 1050px) { .deck-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 760px) {
  .decks-hero { grid-template-columns: 1fr; gap: 24px; padding-top: 38px; }
  .decks-stamp { display: none; }
  .decks-toolbar { grid-template-columns: 1fr; gap: 18px; padding: 18px; }
  .decks-results-heading { flex-direction: column; gap: 10px; }
}
@media (max-width: 520px) {
  .deck-grid { grid-template-columns: 1fr; }
  .decks-hero h1 { font-size: clamp(40px, 10.8vw, 56px); }
}