/* ============================================================
   RAKENNUS JA TEOLLISUUS: konseptivideoiden bento-ruudukko (partials/ai-mainokset-rakennus-videot.php)
   Videokortin tyylit: assets/css/components/reference-video.css
   ============================================================ */
.rakennus-videot { scroll-margin-top: 90px; }
.rakennus-videot-filter { display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 24px; }
.rakennus-videot-chip { padding: 9px 18px; border: 1px solid var(--border, #d9dcec); border-radius: 999px; background: #fff; color: var(--navy); font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
.rakennus-videot-chip:hover { border-color: var(--navy); }
.rakennus-videot-chip[aria-pressed="true"] { border-color: var(--navy); background: var(--navy); color: #fff; }
.rakennus-videot-chip:focus-visible { outline: 3px solid var(--magenta); outline-offset: 2px; }

/* Kolme saraketta, 16:9-ruudut. Isot ruudut (.is-lead) vievät 2 × 2 ruutua; .is-lead-b siirtyy keskelle. */
.rakennus-videot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-flow: dense; gap: 20px; }
.rakennus-videot-grid .reference-video { aspect-ratio: 16 / 9; box-shadow: var(--sh-md); }
.rakennus-videot-grid .reference-video[hidden] { display: none; }
.rakennus-videot-grid .reference-video-media, .rakennus-videot-grid .reference-video video { height: 100%; }
.rakennus-videot-grid .is-lead { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.rakennus-videot-grid .is-lead-b { grid-column: 2 / span 2; }
/* Rajattuna kolme videota: iso ruutu vasemmalla, kaksi pientä pinossa oikealla. */
.rakennus-videot-grid.is-filtered .is-lead-b { grid-column: span 2; }

.rakennus-videot-grid .reference-video-tag { position: absolute; top: 14px; left: 14px; z-index: 1; padding: 5px 11px; border-radius: 999px; background: #111a30b3; color: #fff; font-size: 11px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; backdrop-filter: blur(10px); pointer-events: none; }
.rakennus-videot-grid .reference-client, .rakennus-videot-grid .reference-type { display: none; }
.rakennus-videot-grid .is-lead :is(h3) { font-size: clamp(22px, 2.4vw, 30px); }
.rakennus-videot-grid .is-lead .reference-video-copy > p { font-size: 15px; max-width: 520px; }
.rakennus-videot-grid .is-lead .reference-video-play-icon { width: 64px; height: 64px; }
.rakennus-videot-grid .reference-video-open { align-items: start; justify-items: end; padding: 16px; }
.rakennus-videot-grid .reference-video-play-icon { width: 48px; height: 48px; }
.rakennus-videot-grid .reference-video-play-icon svg { width: 18px; height: 18px; }

.rakennus-videot-foot { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; align-items: center; margin-top: 36px; }
.rakennus-videot-note { max-width: 560px; color: var(--text-muted); font-size: 14px; line-height: 1.6; }
.rakennus-videot-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
.rakennus-videot-link { color: var(--magenta); font-size: 15px; font-weight: 700; text-decoration: none; }
.rakennus-videot-link:hover { text-decoration: underline; }

@media (max-width: 1000px) {
  .rakennus-videot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .rakennus-videot-grid .is-lead, .rakennus-videot-grid .is-lead-b, .rakennus-videot-grid.is-filtered .is-lead-b { grid-column: 1 / -1; grid-row: auto; aspect-ratio: 16 / 9; }
  .rakennus-videot-foot { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .rakennus-videot-grid { grid-template-columns: 1fr; }
  .rakennus-videot-filter { flex-wrap: nowrap; overflow-x: auto; margin-inline: -16px; padding: 0 16px 4px; scrollbar-width: none; }
  .rakennus-videot-chip { flex: none; }
}