/* =====================================================================
   Bling Diamond Marketplace — bld- namespace
   Built on the bling-theme tokens (body.bl-scope). §13 of the blueprint.
   ===================================================================== */

.bld-page { --bld-ivory:var(--bl-ivory,#FBFAF6); --bld-ivory-mid:var(--bl-ivory-mid,#F2EDE3);
  --bld-ink:var(--bl-ink,#18140F); --bld-ink-mid:var(--bl-ink-mid,#3A3028); --bld-ink-soft:var(--bl-ink-soft,#7A6E60);
  --bld-gold:var(--bl-gold,#C4923A); --bld-gold-light:var(--bl-gold-light,#DEB96E); --bld-gold-pale:var(--bl-gold-pale,#F7EDD8);
  --bld-rule:var(--bl-rule,rgba(196,146,58,.2)); --bld-serif:var(--bl-serif,'Cormorant Garamond',Georgia,serif);
  --bld-sans:var(--bl-sans,'DM Sans',-apple-system,sans-serif);
  background:var(--bld-ivory); color:var(--bld-ink); font-family:var(--bld-sans); }

.bld-wrap { max-width:1360px; margin:0 auto; padding:0 2rem; }

/* ---- hero band ---- */
.bld-hero { background:linear-gradient(180deg,var(--bld-ivory) 0%,var(--bld-gold-pale) 140%); padding:3.2rem 0 2.6rem; text-align:center; border-bottom:.5px solid var(--bld-rule); }
.bld-kicker { font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--bld-gold); font-weight:500; margin-bottom:.9rem; }
.bld-hero h1 { font-family:var(--bld-serif); font-weight:300; font-size:clamp(2.1rem,3.6vw,3rem); margin:0 0 .8rem; color:var(--bld-ink); }
.bld-hero h1 em { font-style:italic; color:var(--bld-gold); }
.bld-hero p { color:var(--bld-ink-soft); font-size:15px; font-weight:300; max-width:560px; margin:0 auto; }
.bld-trust { display:flex; justify-content:center; gap:2rem; margin-top:1.4rem; flex-wrap:wrap; }
.bld-trust span { font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--bld-ink-mid); }
.bld-trust span::before { content:'◆'; color:var(--bld-gold); font-size:8px; margin-right:.5em; vertical-align:2px; }

/* ---- layout ---- */
.bld-layout { display:block; padding:2.2rem 0 3rem; }
.bld-main { min-width:0; }

/* ---- filter bar (full-width, collapsible, sits above the grid) ---- */
.bld-rail { width:100%; background:#fff; border:.5px solid var(--bld-rule); border-radius:14px; margin-bottom:1.8rem; overflow:hidden; }
.bld-rail-toggle { display:flex; align-items:center; gap:.6rem; width:100%; background:none; border:0; padding:1.1rem 1.4rem; cursor:pointer; font-family:var(--bld-sans); text-align:left; }
.bld-rail-toggle span { font-family:var(--bld-serif); font-size:1.15rem; font-weight:500; color:var(--bld-ink); }
.bld-rail-toggle svg:first-child { color:var(--bld-gold); flex-shrink:0; }
.bld-rail-chevron { margin-left:auto; flex-shrink:0; color:var(--bld-ink-soft); transition:transform .25s; }
.bld-rail.open .bld-rail-chevron { transform:rotate(180deg); }
.bld-rail-body { max-height:0; overflow:hidden; transition:max-height .32s ease; }
.bld-rail.open .bld-rail-body { max-height:6000px; }
.bld-rail-body > .bld-rail-head,
.bld-rail-body > .bld-rail-grid,
.bld-rail-body > .bld-adv,
.bld-rail-body > .bld-rail-apply { padding-left:1.4rem; padding-right:1.4rem; }
.bld-rail-head { display:flex; justify-content:space-between; align-items:baseline; margin-bottom:1rem; border-top:.5px solid var(--bld-rule); padding-top:1.1rem; }
.bld-rail-head h3 { font-family:var(--bld-serif); font-size:1.3rem; font-weight:500; margin:0; }
.bld-reset { background:none; border:0; font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--bld-ink-soft); cursor:pointer; padding:0; }
.bld-reset:hover { color:var(--bld-gold); }
.bld-rail-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:1.3rem 2rem; padding-bottom:.6rem; }
.bld-fgroup { min-width:0; }
.bld-fgroup > label { display:block; font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--bld-ink-mid); font-weight:500; margin-bottom:.75rem; }
.bld-rail-apply { border-top:.5px solid var(--bld-rule); padding-top:1.1rem; padding-bottom:1.4rem; }
.bld-rail-apply .bld-btn-gold { width:auto; min-width:220px; margin:0 auto; padding:.8rem 2.4rem; }

/* shape grid */
.bld-shapes { display:grid; grid-template-columns:repeat(5,1fr); gap:.4rem; }
.bld-shape { border:.5px solid var(--bld-rule); border-radius:10px; background:#fff; padding:.5rem .1rem .35rem; text-align:center; cursor:pointer; transition:all .18s; }
.bld-shape svg { width:22px; height:22px; stroke:var(--bld-ink-mid); fill:none; stroke-width:1.1; display:block; margin:0 auto .2rem; }
.bld-shape small { font-size:8.5px; letter-spacing:.04em; text-transform:uppercase; color:var(--bld-ink-soft); display:block; }
.bld-shape.on { border-color:var(--bld-gold); background:var(--bld-gold-pale); }
.bld-shape.on svg { stroke:var(--bld-gold); }
.bld-shape:hover { border-color:var(--bld-gold-light); }

/* chips (colour / clarity / grades) */
.bld-chips { display:flex; flex-wrap:wrap; gap:.35rem; }
.bld-chip { border:.5px solid var(--bld-rule); background:#fff; border-radius:20px; padding:.28rem .7rem; font-size:11.5px; color:var(--bld-ink-mid); cursor:pointer; transition:all .15s; font-family:var(--bld-sans); }
.bld-chip.on { background:var(--bld-gold); border-color:var(--bld-gold); color:#fff; }
.bld-chip:hover:not(.on) { border-color:var(--bld-gold-light); color:var(--bld-ink); }

/* dual range slider */
.bld-range { position:relative; height:26px; margin:.3rem 2px .1rem; }
.bld-range-track { position:absolute; top:11px; left:0; right:0; height:3px; border-radius:2px; background:var(--bld-ivory-mid); }
.bld-range-fill { position:absolute; top:11px; height:3px; border-radius:2px; background:var(--bld-gold); }
.bld-range input[type=range] { position:absolute; inset:0; width:100%; margin:0; -webkit-appearance:none; appearance:none; background:none; pointer-events:none; height:26px; }
.bld-range input[type=range]::-webkit-slider-thumb { -webkit-appearance:none; pointer-events:auto; width:16px; height:16px; border-radius:50%; background:#fff; border:1.5px solid var(--bld-gold); box-shadow:0 1px 4px rgba(24,20,15,.18); cursor:grab; margin-top:0; }
.bld-range input[type=range]::-moz-range-thumb { pointer-events:auto; width:14px; height:14px; border-radius:50%; background:#fff; border:1.5px solid var(--bld-gold); cursor:grab; }
.bld-range-vals { display:flex; justify-content:space-between; font-size:12px; color:var(--bld-ink-soft); margin-bottom:.6rem; }
.bld-range-vals b { color:var(--bld-ink); font-weight:500; }

/* typed min/max boxes (paired with a slider, or standalone) */
.bld-num-row { display:flex; align-items:center; gap:.4rem; margin-bottom:.55rem; }
.bld-num-row > .bld-num, .bld-num-row > .bld-num-wrap { flex:1 1 0; min-width:0; }
.bld-num-dash { color:var(--bld-ink-soft); font-size:12px; flex:0 0 auto; }
.bld-num { width:100%; border:.5px solid var(--bld-rule); border-radius:8px; background:#fff; padding:.4rem .55rem;
  font-family:var(--bld-sans); font-size:12.5px; color:var(--bld-ink); text-align:center; -moz-appearance:textfield; }
.bld-num::placeholder { color:var(--bld-ink-soft); opacity:.55; }
.bld-num:focus { outline:none; border-color:var(--bld-gold); box-shadow:0 0 0 2px var(--bld-gold-pale); }
.bld-num-wrap { position:relative; display:block; }
.bld-num-wrap i { position:absolute; left:.55rem; top:50%; transform:translateY(-50%); font-style:normal; font-size:12px; color:var(--bld-ink-soft); pointer-events:none; }
.bld-num-wrap .bld-num { padding-left:1.15rem; text-align:left; }
.bld-text { text-align:left; }

/* fancy-colour groups reveal themselves when FANCY is picked */
.bld-fancy[hidden] { display:none; }
.bld-chip-fancy { background:linear-gradient(90deg,#FCEEF3,#F7F0DC); border-color:var(--bld-gold-light); }
.bld-chip-fancy.on { background:var(--bld-gold); }

/* "More filters" drawer */
.bld-adv { border-top:.5px solid var(--bld-rule); margin-top:.4rem; }
.bld-adv-toggle { display:flex; align-items:center; gap:.45rem; background:none; border:0; padding:.9rem 0 .2rem; cursor:pointer;
  font-family:var(--bld-sans); font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--bld-gold); font-weight:500; }
.bld-adv-toggle svg { transition:transform .25s; }
.bld-adv.open .bld-adv-toggle svg { transform:rotate(180deg); }
.bld-adv-body { max-height:0; overflow:hidden; transition:max-height .3s ease; }
.bld-adv.open .bld-adv-body { max-height:2400px; }
.bld-adv-body .bld-rail-grid { padding-top:.9rem; }

/* toolbar */
.bld-toolbar { display:flex; justify-content:space-between; align-items:center; gap:1rem; margin-bottom:1.1rem; flex-wrap:wrap; }
.bld-count { font-size:13px; color:var(--bld-ink-soft); }
.bld-count b { color:var(--bld-ink); font-weight:500; }
.bld-toolbar select { border:.5px solid var(--bld-rule); background:#fff; border-radius:20px; padding:.45rem 2rem .45rem 1rem; font-size:12.5px; color:var(--bld-ink-mid); font-family:var(--bld-sans); appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5' fill='%237A6E60'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right .8rem center; cursor:pointer; }
.bld-active-chips { display:flex; flex-wrap:wrap; gap:.4rem; margin-bottom:1rem; }
.bld-active-chips .bld-chip { background:var(--bld-gold-pale); border-color:var(--bld-gold-light); color:var(--bld-ink-mid); }
.bld-active-chips .bld-chip::after { content:'×'; margin-left:.45em; color:var(--bld-gold); font-weight:600; }

/* ---- grid & cards ---- */
.bld-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:1.25rem; }
.bld-card { background:#fff; border:.5px solid var(--bld-rule); border-radius:14px; overflow:hidden; transition:transform .22s,box-shadow .22s; position:relative; display:block; color:inherit; text-decoration:none; }
.bld-card:hover { transform:translateY(-5px); box-shadow:0 16px 40px rgba(24,20,15,.1); color:inherit; text-decoration:none; }
.bld-card-media { position:relative; aspect-ratio:1/1; background:var(--bld-ivory-mid); overflow:hidden; }
.bld-card-media img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .35s; }
.bld-card:hover .bld-card-media img { transform:scale(1.045); }
.bld-badge-360 { position:absolute; top:.6rem; right:.6rem; background:rgba(255,255,255,.92); border-radius:20px; font-size:9.5px; letter-spacing:.08em; padding:.22rem .55rem; color:var(--bld-ink-mid); font-weight:500; }
.bld-card-body { padding:.95rem 1.05rem 1.15rem; }
.bld-card-spec { font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--bld-ink-soft); margin-bottom:.3rem; }
.bld-card-title { font-family:var(--bld-serif); font-size:1.12rem; font-weight:500; color:var(--bld-ink); line-height:1.25; margin:0 0 .55rem; }
.bld-card-meta { display:flex; align-items:center; gap:.5rem; margin-bottom:.6rem; flex-wrap:wrap; }
.bld-pill { font-size:9.5px; letter-spacing:.1em; text-transform:uppercase; border-radius:20px; padding:.2rem .55rem; font-weight:500; }
.bld-pill-cert { background:var(--bld-gold-pale); color:var(--bld-gold); }
.bld-pill-noncert { background:#F6EFE7; color:#A3703B; }
.bld-avail { font-size:11px; color:var(--bld-ink-soft); }
.bld-avail::before { content:''; display:inline-block; width:6px; height:6px; border-radius:50%; background:#5D8B62; margin-right:.4em; vertical-align:1px; }
.bld-avail.off::before { background:#B4552D; }
/* Stock ID / certificate number — the two references a buyer quotes back. */
.bld-card-ids { display:flex; flex-wrap:wrap; gap:.15rem .9rem; font-size:10.5px; letter-spacing:.045em; color:var(--bld-ink-soft); margin:-.25rem 0 .6rem; }
.bld-card-ids b { font-weight:500; color:var(--bld-ink-mid); letter-spacing:.06em; }
.bld-card-price { font-family:var(--bld-serif); font-size:1.28rem; font-weight:500; color:var(--bld-ink); }
.bld-card-price small { font-size:.62em; color:var(--bld-ink-soft); font-family:var(--bld-sans); letter-spacing:.06em; }

/* skeleton */
.bld-skel .bld-card-media, .bld-skel .bld-sk-line { background:linear-gradient(90deg,var(--bld-ivory-mid) 25%,#fff 50%,var(--bld-ivory-mid) 75%); background-size:400% 100%; animation:bldShimmer 1.4s infinite; }
.bld-sk-line { height:12px; border-radius:6px; margin:.5rem 1rem; }
@keyframes bldShimmer { 0%{background-position:100% 0} 100%{background-position:0 0} }

/* empty / error state */
.bld-empty { text-align:center; padding:4rem 1rem; color:var(--bld-ink-soft); }
.bld-empty h3 { font-family:var(--bld-serif); font-weight:400; font-size:1.6rem; color:var(--bld-ink); margin-bottom:.5rem; }

/* pagination */
.bld-pagination { display:flex; justify-content:center; gap:.4rem; margin:2.2rem 0 .5rem; flex-wrap:wrap; }
.bld-page-btn { min-width:38px; height:38px; border-radius:50%; border:.5px solid var(--bld-rule); background:#fff; color:var(--bld-ink-mid); font-size:13px; cursor:pointer; transition:all .15s; font-family:var(--bld-sans); }
.bld-page-btn.on { background:var(--bld-ink); color:#fff; border-color:var(--bld-ink); }
.bld-page-btn:hover:not(.on):not(:disabled) { border-color:var(--bld-gold); color:var(--bld-gold); }
.bld-page-btn:disabled { opacity:.35; cursor:default; }

/* ---- detail page ---- */
.bld-detail { display:flex; gap:2.6rem; padding:2rem 0 3rem; align-items:flex-start; }
.bld-media { flex:1.35; min-width:0; }
.bld-media-main { position:relative; display:flex; align-items:center; justify-content:center; background:#fff; border:.5px solid var(--bld-rule); border-radius:16px; overflow:hidden; aspect-ratio:1/1; }
.bld-media-main img { width:100%; height:100%; object-fit:contain; display:block; cursor:zoom-in; transition:transform .25s; }
.bld-media-main.zoomed img { cursor:zoom-out; }
/* Supplier viewers and videos fill the stage edge to edge — absolute so the
   flex centring above stays free for the spinner and the fallback message. */
.bld-media-frame,
.bld-media-video { position:absolute; inset:0; width:100%; height:100%; border:0; display:block; }
.bld-media-video { object-fit:contain; background:#0B0B0B; }
.bld-media-main.is-loading .bld-media-frame,
.bld-media-main.is-loading .bld-media-video { opacity:0; }
.bld-media-frame { transition:opacity .2s; }
.bld-media-spin { width:34px; height:34px; border:2px solid var(--bld-rule); border-top-color:var(--bld-gold); border-radius:50%; animation:bld-spin .7s linear infinite; }
.bld-media-main:not(.is-loading) .bld-media-spin { display:none; }
@keyframes bld-spin { to { transform:rotate(360deg); } }
.bld-media-msg { text-align:center; padding:1.5rem; color:var(--bld-ink-soft); font-size:13px; }
.bld-media-msg p { margin:0 0 .6rem; }
.bld-media-msg a { color:var(--bld-gold); text-decoration:underline; }
.bld-media-tabs { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:.8rem; }
.bld-mtab { border:.5px solid var(--bld-rule); background:#fff; border-radius:20px; padding:.45rem 1.1rem; font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--bld-ink-mid); cursor:pointer; transition:all .15s; font-family:var(--bld-sans); text-decoration:none; white-space:nowrap; line-height:1.5; }
a.bld-mtab:hover { color:var(--bld-ink); text-decoration:none; }
.bld-media-open { margin-left:auto; align-self:center; font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--bld-ink-soft); text-decoration:none; white-space:nowrap; }
.bld-media-open:hover { color:var(--bld-gold); text-decoration:underline; }
.bld-mtab.on { background:var(--bld-ink); border-color:var(--bld-ink); color:#fff; }

.bld-buy { flex:1; min-width:320px; position:sticky; top:90px; }
.bld-buy .bld-kicker { text-align:left; margin-bottom:.5rem; }
.bld-buy h1 { font-family:var(--bld-serif); font-weight:400; font-size:clamp(1.6rem,2.4vw,2.2rem); margin:0 0 .5rem; line-height:1.2; }
.bld-buy-sub { font-size:13px; color:var(--bld-ink-soft); letter-spacing:.06em; margin-bottom:1rem; }
.bld-cert-line { display:flex; align-items:center; gap:.6rem; padding:.7rem .9rem; background:var(--bld-gold-pale); border-radius:10px; margin-bottom:1.1rem; font-size:13px; color:var(--bld-ink-mid); }
.bld-cert-line.noncert { background:#F6EFE7; }
.bld-cert-line a { color:var(--bld-gold); text-decoration:underline; font-weight:500; }
.bld-price-row { display:flex; align-items:baseline; gap:.7rem; margin:0 0 .35rem; }
.bld-price { font-family:var(--bld-serif); font-size:2.2rem; font-weight:500; color:var(--bld-ink); }
.bld-price-note { font-size:12px; color:var(--bld-ink-soft); }
.bld-avail-line { font-size:13.5px; margin:.4rem 0 1.3rem; color:var(--bld-ink-mid); }
.bld-refs { display:inline-block; font-size:12px; letter-spacing:.04em; color:var(--bld-ink-soft); margin-bottom:.2rem; }
.bld-refs b { font-weight:500; color:var(--bld-ink-mid); letter-spacing:.07em; }
.bld-cta-row { display:flex; flex-direction:column; gap:.6rem; margin-bottom:1.4rem; }
.bld-btn-gold { display:block; width:100%; text-align:center; background:var(--bld-gold); color:#fff; border:0; border-radius:40px; padding:.95rem 2rem; font-size:12.5px; letter-spacing:.14em; text-transform:uppercase; font-weight:500; cursor:pointer; transition:all .2s; font-family:var(--bld-sans); text-decoration:none; }
.bld-btn-gold:hover { background:var(--bld-gold-light); transform:translateY(-1px); color:#fff; text-decoration:none; }
.bld-btn-gold:disabled { background:var(--bld-ivory-mid); color:var(--bld-ink-soft); cursor:not-allowed; transform:none; }
.bld-btn-dark { display:block; width:100%; text-align:center; background:none; color:var(--bld-ink); border:.5px solid var(--bld-ink); border-radius:40px; padding:.9rem 2rem; font-size:12.5px; letter-spacing:.14em; text-transform:uppercase; font-weight:500; cursor:pointer; transition:all .2s; font-family:var(--bld-sans); text-decoration:none; }
.bld-btn-dark:hover { background:var(--bld-ink); color:#fff; text-decoration:none; }
.bld-assure { border-top:.5px solid var(--bld-rule); padding-top:1.1rem; display:grid; gap:.55rem; }
.bld-assure span { font-size:12.5px; color:var(--bld-ink-mid); }
.bld-assure span::before { content:'◇'; color:var(--bld-gold); margin-right:.6em; }
.bld-ring-slot { margin-top:1.3rem; padding:1rem; border:.5px dashed var(--bld-rule); border-radius:12px; font-size:12.5px; color:var(--bld-ink-soft); text-align:center; }

/* spec table */
.bld-spec-section { padding:2.4rem 0 0; }
.bld-spec-section h2, .bld-similar h2 { font-family:var(--bld-serif); font-weight:400; font-size:1.7rem; margin:0 0 1.2rem; }
.bld-spec-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:0; background:#fff; border:.5px solid var(--bld-rule); border-radius:14px; overflow:hidden; }
.bld-spec { padding:.9rem 1.2rem; border-bottom:.5px solid var(--bld-rule); border-right:.5px solid var(--bld-rule); }
.bld-spec dt { font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:var(--bld-ink-soft); margin:0 0 .25rem; }
.bld-spec dd { font-size:14.5px; color:var(--bld-ink); margin:0; font-weight:400; }
.bld-spec dd.noncert { color:#A3703B; font-weight:500; }

.bld-similar { padding:2.6rem 0 1rem; }

/* mobile sticky buy bar */
.bld-mobile-bar { display:none; position:fixed; left:0; right:0; bottom:0; z-index:60; background:#fff; border-top:.5px solid var(--bld-rule); box-shadow:0 -8px 30px rgba(24,20,15,.08); padding:.7rem 1rem calc(.7rem + env(safe-area-inset-bottom)); align-items:center; gap:1rem; }
.bld-mobile-bar .bld-price { font-size:1.35rem; }
.bld-mobile-bar .bld-btn-gold { width:auto; flex:1; padding:.8rem 1rem; }

/* toast */
.bld-toast { position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(20px); background:var(--bld-ink); color:#fff; border-radius:40px; padding:.75rem 1.6rem; font-size:13px; z-index:120; opacity:0; transition:all .3s; pointer-events:none; max-width:90vw; text-align:center; }
.bld-toast.show { opacity:1; transform:translateX(-50%) translateY(0); }
.bld-toast.err { background:#8A3B22; }

/* landing tiles */
.bld-tiles { display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; padding:2.4rem 0; }
.bld-tile { position:relative; border-radius:16px; overflow:hidden; min-height:340px; display:flex; align-items:flex-end; padding:1.8rem; color:#fff; text-decoration:none; background:var(--bld-ink); }
.bld-tile::before { content:''; position:absolute; inset:0; background:radial-gradient(circle at 30% 20%, rgba(222,185,110,.35), transparent 55%), linear-gradient(180deg, rgba(24,20,15,.15) 30%, rgba(24,20,15,.82)); z-index:1; }
.bld-tile > div { position:relative; z-index:2; }
.bld-tile h3 { font-family:var(--bld-serif); font-weight:400; font-size:1.7rem; margin:0 0 .3rem; color:#fff; }
.bld-tile p { font-size:13px; color:rgba(255,255,255,.75); margin:0 0 .8rem; }
.bld-tile span { font-size:11px; letter-spacing:.16em; text-transform:uppercase; color:var(--bld-gold-light); }
.bld-tile:hover h3 { color:var(--bld-gold-light); }

/* education strip */
.bld-edu { background:var(--bld-ivory-mid); border-radius:16px; padding:2.2rem; margin:1rem 0 3rem; display:grid; grid-template-columns:repeat(4,1fr); gap:1.6rem; }
.bld-edu article h4 { font-family:var(--bld-serif); font-weight:500; font-size:1.15rem; margin:0 0 .4rem; }
.bld-edu article h4::before { content:'◆ '; color:var(--bld-gold); font-size:.7em; vertical-align:2px; }
.bld-edu article p { font-size:13px; color:var(--bld-ink-soft); line-height:1.55; margin:0; }

/* ---- responsive ---- */
@media (max-width:1100px){ .bld-grid { grid-template-columns:repeat(3,1fr); } .bld-tiles{grid-template-columns:repeat(3,1fr);} .bld-edu{grid-template-columns:repeat(2,1fr);} }
@media (max-width:1024px){
  .bld-detail { flex-direction:column; }
  .bld-buy { position:static; min-width:0; width:100%; }
}
@media (max-width:768px){
  .bld-wrap { padding:0 1.1rem; }
  .bld-layout { padding-top:1.2rem; }
  .bld-grid { grid-template-columns:repeat(2,1fr); gap:.8rem; }
  .bld-tiles { grid-template-columns:1fr; }
  .bld-edu { grid-template-columns:1fr; padding:1.5rem; }
  .bld-rail-grid { grid-template-columns:1fr 1fr; gap:1.1rem 1.2rem; }
  .bld-mobile-bar { display:flex; }
  .bld-detail { padding-bottom:5.5rem; }
  .bld-card-title { font-size:1rem; }
  .bld-card-price { font-size:1.15rem; }
}
@media (max-width:480px){ .bld-rail-grid { grid-template-columns:1fr; } }
@media (prefers-reduced-motion:reduce){ .bld-card, .bld-card-media img, .bld-rail-body { transition:none; } .bld-skel .bld-card-media,.bld-sk-line{animation:none;} }