/* Architectural frames with a drifting river presentation. */
.collection-lede { max-width:620px; color:var(--muted); margin:-8px 0 32px; }
.collection-controls { display:grid; grid-template-columns:auto 1fr; align-items:center; gap:20px 32px; margin:0 0 24px; }
.collection-controls[hidden] { display:none; }
.collection-controls-label { display:flex; flex-direction:column; gap:5px; min-width:155px; }
.collection-controls-label > span { color:var(--terracotta); font-size:.65rem; font-weight:700; letter-spacing:.15em; }
.collection-controls-label strong { font-family:'Playfair Display',Georgia,serif; font-size:1.35rem; font-weight:600; color:var(--ink); }
.collection-controls-actions { display:flex; justify-content:flex-end; align-items:center; gap:8px; min-width:0; }
.collection-arrow,.collection-selectors button { min-height:44px; border:1px solid var(--line); background:var(--surface); color:var(--ink); cursor:pointer; }
.collection-arrow { flex:0 0 44px; border-radius:50%; font-size:1.3rem; }
.collection-selectors { display:flex; gap:6px; min-width:0; }
.collection-selectors button { display:flex; align-items:center; gap:8px; padding:8px 12px; border-radius:24px; font-size:.72rem; font-weight:700; white-space:nowrap; }
.collection-selectors button[aria-pressed="true"] { background:var(--ink); color:var(--surface); border-color:var(--ink); }
.collection-arrow:hover,.collection-selectors button:hover { border-color:var(--teal); }
.collection-arrow:focus-visible,.collection-selectors button:focus-visible { outline:3px solid var(--teal); outline-offset:2px; }
.collection-selector-number { font-size:.65rem; opacity:.7; }
.collection-progress { grid-column:1 / -1; height:3px; border-radius:3px; background:var(--line); overflow:hidden; }
.collection-progress span { display:block; width:100%; height:100%; background:var(--terracotta); transform:scaleX(0); transform-origin:left; }
@media(max-width:900px) { .collection-controls { grid-template-columns:1fr; gap:14px; } .collection-controls-actions { justify-content:space-between; } .collection-selectors { flex:1; justify-content:center; } .collection-selectors button { flex:1; justify-content:center; min-width:0; } .collection-selector-name { display:none; } }
@media(max-width:360px) { .collection-controls-actions { gap:5px; } .collection-arrow { flex-basis:38px; min-height:38px; } .collection-selectors button { min-height:38px; padding:6px; } }
.collection-river-stage { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:40px 32px; }
.collection-river-photo { display:block; min-width:0; }
.collection-photo-frame { display:block; position:relative; padding:10px; background:var(--ink); clip-path:polygon(0 0,calc(100% - 48px) 0,100% 48px,100% 100%,24px 100%,0 calc(100% - 24px)); }
.collection-photo-frame img { display:block; width:100%; aspect-ratio:1.5; object-fit:cover; clip-path:polygon(0 0,calc(100% - 44px) 0,100% 44px,100% 100%,20px 100%,0 calc(100% - 20px)); transition:filter .3s; }
.collection-river-photo:nth-child(even) .collection-photo-frame { background:var(--terracotta); }
.collection-number { position:absolute; top:10px; left:10px; z-index:1; background:var(--ink); color:var(--surface); padding:9px 16px; font-size:.7rem; letter-spacing:.15em; }
.collection-view { position:absolute; right:10px; bottom:10px; display:grid; place-items:center; width:52px; height:52px; background:var(--surface); color:var(--ink); font-size:1.65rem; transition:background .2s,color .2s; }
.collection-reference { position:absolute; bottom:19px; left:30px; color:#fff; background:#182c24c9; padding:3px 9px; font-size:.62rem; letter-spacing:.04em; }
.collection-caption { display:flex; justify-content:space-between; align-items:baseline; gap:12px; margin:17px 0 9px; }
.collection-title { font-family:'Playfair Display',serif; font-size:1.65rem; line-height:1.25; }
.collection-price { color:var(--terracotta); font-size:.76rem; font-weight:600; }
.collection-specs { display:flex; flex-wrap:wrap; gap:10px 20px; border-top:1px solid var(--line); padding-top:11px; color:var(--muted); font-size:.78rem; }
.collection-river-photo:hover .collection-view { background:var(--teal); color:var(--surface); }
.collection-river-photo:hover img { filter:brightness(1.06); }
.collection-river-photo:focus-visible { outline:3px solid var(--teal); outline-offset:6px; }
@media(max-width:700px) { .collection-river-stage { grid-template-columns:1fr; gap:30px; } .collection-caption { flex-wrap:wrap; gap:5px 12px; } .collection-title { font-size:1.5rem; } }
@media(prefers-reduced-motion:reduce) { .collection-photo-frame img,.collection-view { transition:none; } }

.collection-drift { display:block; position:relative; }
.collection-curls { position:absolute; inset:0; pointer-events:none; z-index:3; }
.collection-curls svg { position:absolute; height:auto; overflow:visible; fill:none; stroke:currentColor; stroke-width:2.5; stroke-linecap:round; }

/* A stable reading card accompanies each sweeping photograph. */
.collection-river-photo { --frame-color:#233b31; --river-depth:105px; }
.collection-river-photo:nth-child(even) { --frame-color:#986245; }
.collection-river-photo .collection-photo-frame { background:var(--frame-color); }
.collection-number { background:var(--frame-color); color:#fffdf6; }
.collection-info { display:block; background:var(--frame-color); color:#fffdf6; padding:30px; border-radius:3px 30px 3px 30px; box-shadow:0 20px 40px #182d241c; }
.collection-caption { display:flex; flex-direction:column; gap:16px; margin:0 0 20px; }
.collection-title { font-size:2rem; }
.collection-price { color:#fff1d5; font-size:.86rem; }
.collection-price small { display:block; margin-bottom:5px; font-family:Arial,sans-serif; font-size:.57rem; font-weight:700; letter-spacing:.12em; }
.collection-description { display:block; font-size:.94rem; line-height:1.8; margin-bottom:24px; }
.collection-specs { color:#fffdf6; border-color:#ffffff45; gap:10px 16px; }
.collection-river:not(.is-flowing) .collection-info { margin-top:16px; }
/* Bleed to the viewport so photos leave at the screen edge, not the content column. */
.collection-river.is-flowing { width:100vw; margin-left:calc(50% - 50vw); }
.collection-river.is-flowing .collection-river-stage { container-type:size; position:relative; display:block; height:600px; overflow:hidden; }
.collection-river.is-flowing .collection-river-photo { position:absolute; inset:0; pointer-events:none; }
.collection-river.is-flowing .collection-drift { position:absolute; top:160px; left:0; width:clamp(270px,27cqw,460px); will-change:transform; pointer-events:auto; }
.collection-river.is-flowing .collection-info { position:absolute; top:95px; right:clamp(22px,3cqw,64px); width:clamp(285px,23cqw,380px); z-index:4; will-change:transform,opacity; pointer-events:auto; }
@media(max-width:700px) {
    .collection-river-photo { --river-depth:55px; }
    .collection-river.is-flowing .collection-river-stage { height:780px; }
    .collection-river.is-flowing .collection-drift { top:115px; width:min(70cqw,370px); }
    .collection-river.is-flowing .collection-info { top:440px; right:5%; width:90%; padding:22px; }
    .collection-title { font-size:1.65rem; }
}

.collection-house-button { display:inline-flex; align-items:center; justify-content:center; min-height:44px; margin-top:22px; padding:10px 20px; border:1px solid #fffdf6; border-radius:6px; background:#fffdf6; color:var(--frame-color); font-size:.85rem; font-weight:700; }
.collection-river-photo:hover .collection-house-button,.collection-river-photo:focus-visible .collection-house-button { background:transparent; color:#fffdf6; }

.collection-wave { display:block; position:relative; transform-origin:center; will-change:transform; }

/* A quiet photographic backdrop follows the current home's shared animation clock. */
.featured-collection { position:relative; isolation:isolate; padding-bottom:44px; }
@media(max-width:700px) { .featured-collection { padding-bottom:28px; } }
.collection-backdrop { position:absolute; top:0; bottom:0; left:calc(50% - 50vw); width:100vw; z-index:-1; pointer-events:none; opacity:.18; overflow:hidden; mask-image:linear-gradient(to bottom,transparent,#000 25%,#000 80%,transparent); }
.collection-backdrop img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center; opacity:0; }
.collection-backdrop img:first-child { opacity:1; }
.dark-theme .collection-backdrop { opacity:.13; }