/* Proyectos realizados: «mesa de obra». Rejilla de planos con esquinas que encajan y filtro por tipo
   que recoloca las piezas (GSAP Flip). */
.board { padding: 0 var(--pad) clamp(80px, 10vw, 160px); }
.board__bar {
  position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center;
  justify-content: space-between; padding: calc(var(--header-h) * 0 + 14px) 0; margin-bottom: clamp(28px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.92); border-bottom: 1px solid var(--line);
}
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: baseline; gap: 0.35em; padding: 0.6em 1em; border: 1px solid var(--line-strong);
  background: transparent; cursor: pointer; font: 500 0.78rem / 1 var(--f-mono); letter-spacing: 0.05em; text-transform: uppercase;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.chip sup { font-size: 0.7em; opacity: 0.7; }
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.is-on { background: var(--blue); border-color: var(--blue); color: #fff; }
.board__count { color: var(--ink-2); }

.board__grid {
  display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(40px, 5vw, 80px) var(--gap);
  align-items: start;
}
.card { grid-column: span 4; }
.card--wide { grid-column: span 8; }
.card--tall { grid-column: span 4; }
.card[hidden] { display: none; }
.card__link { display: grid; gap: 12px; text-decoration: none; }
.card__frame { aspect-ratio: 4 / 3; }
.card--wide .card__frame { aspect-ratio: 16 / 10; }
.card--tall .card__frame { aspect-ratio: 4 / 5; }
.card__frame picture { height: 100%; overflow: hidden; }
.card__frame img { transition: transform 1.1s var(--ease-out); }
.card__link:hover .card__frame img { transform: scale(1.04); }
.card__meta { display: flex; justify-content: space-between; gap: 12px; color: var(--ink-2); padding-top: 6px; border-top: 1px solid var(--line); }
.card__meta span:first-child { color: var(--blue); }
.card__title { font: 500 clamp(1.25rem, 2.1vw, 2rem) / 1.1 var(--f-display); letter-spacing: -0.025em; transition: color 0.3s; }
.card__link:hover .card__title { color: var(--blue); }
.card__kind { color: var(--ink-2); font-size: 0.95rem; }

@media (max-width: 1099px) {
  .card, .card--tall { grid-column: span 6; }
  .card--wide { grid-column: span 12; }
}
@media (max-width: 699px) {
  .board__grid { grid-template-columns: 1fr; }
  .card, .card--wide, .card--tall { grid-column: auto; }
  .card--wide .card__frame, .card--tall .card__frame { aspect-ratio: 4 / 3; }
}