/* /branding/: SETAEI Design Bible components, on top of essay.css (3D scene: branding-scene.js) */
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0}
.essay section{padding:16vh 0}
.essay section.hero{padding:100px 0 60px}
.kicker,.label{margin:0 0 .8rem;color:var(--accent);font-size:.92rem;font-weight:500}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:2rem 0 0;padding:0;list-style:none;max-width:36rem}
.essay .toc a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid var(--line);border-radius:999px;font-size:.92rem;text-decoration:none;color:var(--muted)}
.essay .toc a:hover{color:var(--ink);border-color:var(--accent)}
.glyphs{list-style:none;margin:1.4rem 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.glyphs li{padding:16px;border:1px solid var(--line);border-radius:14px;background:rgba(255,250,240,.03)}
.glyphs svg{display:block;height:44px;width:auto;margin-bottom:12px}
.essay .glyphs p{margin:0;font-size:.92rem;line-height:1.5;color:var(--muted)}
.construct{display:block;width:100%;height:auto;margin:1.2rem 0;border:1px solid var(--line);border-radius:14px;background:#10100F}
.specs{list-style:none;margin:0 0 1.2rem;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.specs li{padding:12px;border:1px solid var(--line);border-radius:12px}
.specs small{display:block;color:var(--muted);font-size:.78rem;margin-bottom:4px}
.specs b{font-family:var(--display);font-size:1.2rem;font-variant-numeric:tabular-nums}
.variants{list-style:none;margin:1.4rem 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.variants li{border:1px solid var(--line);border-radius:14px;overflow:hidden}
.variants .art{display:flex;align-items:center;justify-content:center;aspect-ratio:16/9}
.variants .art svg{width:66%;height:auto}
.variants .art.ic svg{width:34%}
.variants .cap{padding:12px 14px}
.essay .variants .cap p{margin:0;font-size:.88rem;line-height:1.45;color:var(--muted)}
.art.dark{background:#10100F}
.art.paper{background:#FFFAF0}
.art.surface{background:#181A1B}
.swatches{list-style:none;margin:1.4rem 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sw{width:100%;display:flex;flex-direction:column;align-items:stretch;padding:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:none;color:var(--ink);font:inherit;text-align:left;cursor:pointer}
.sw .chip{height:78px}
.sw .meta{padding:10px 12px}
.sw b{display:block;font-size:.92rem}
.sw code{font-size:.82rem;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.sw:hover{border-color:var(--accent)}
.essay .copied{min-height:1.4em;margin:0 0 1rem;color:var(--accent);font-size:.9rem}
.ratio{display:flex;height:14px;border-radius:999px;overflow:hidden;margin:.4rem 0}
.ratio span{display:block}
.type-specimen{margin:1.4rem 0;border-top:1px solid var(--line)}
.type-row{display:grid;grid-template-columns:9rem 1fr;gap:16px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line)}
.type-row small{color:var(--muted);font-size:.84rem;line-height:1.4}
.type-row .s1{font-family:var(--display);font-size:clamp(1.9rem,3.6vw,2.6rem);font-weight:700;letter-spacing:-.025em;line-height:1.05}
.type-row .s2{font-family:var(--serif);font-style:italic;font-size:1.5rem;line-height:1.3}
.type-row .s3{font-family:var(--fa);font-size:1.5rem;line-height:1.8;text-align:right}
.type-row .s4{font-size:1.05rem;line-height:1.6;color:var(--body)}
.icons{list-style:none;margin:1.4rem 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.icons li{display:flex;flex-direction:column;align-items:center;gap:10px;padding:18px 8px;border:1px solid var(--line);border-radius:14px;color:var(--muted);font-size:.82rem}
.icons svg{width:30px;height:30px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round}
.loader{display:flex;flex-direction:column;gap:7px;width:62px;margin:1.2rem 0}
.loader i{display:block;height:7px;background:#FFF7EA;transform-origin:0 50%;animation:ld 1.6s ease-in-out infinite}
.loader i:nth-child(2){width:83%;animation-delay:.15s}.loader i:nth-child(3){animation-delay:.3s}
@keyframes ld{0%,100%{transform:scaleX(1);opacity:1}50%{transform:scaleX(.35);opacity:.5}}
@media (prefers-reduced-motion:reduce){.loader i{animation:none}}
.pages{list-style:none;margin:1.2rem 0;padding:0;border-top:1px solid var(--line)}
.pages li{display:grid;grid-template-columns:9.5rem 1fr;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);font-size:.98rem}
.pages b{font-weight:500}
.pages span{color:var(--muted)}
.timing{list-style:none;margin:1.2rem 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.timing li{padding:14px;border:1px solid var(--line);border-radius:12px}
.timing b{display:block;font-family:var(--display);font-size:1.25rem;font-variant-numeric:tabular-nums}
.timing span{color:var(--muted);font-size:.85rem}
.mock{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:1.4rem 0}
.bcard{aspect-ratio:85/55;border-radius:10px;display:flex;flex-direction:column;justify-content:space-between;padding:16px;box-shadow:0 20px 40px rgba(0,0,0,.35)}
.bcard.front{background:#10100F;border:1px solid var(--line);align-items:center;justify-content:center}
.bcard.front svg{width:62%;height:auto}
.bcard.back{background:#FFFAF0;color:#10100F}
.bcard.back b{font-family:var(--display);font-size:1rem}
.bcard.back span{font-size:.78rem;color:#4A453D;line-height:1.5}
.bcard.back svg{width:28px;height:28px}
.apps{display:flex;align-items:flex-end;gap:18px;margin:1.4rem 0}
.apps svg{display:block}
.apps .avatar{width:64px;height:64px;border-radius:50%;overflow:hidden}
.apps figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);font-size:.8rem}
.slide{margin:1rem 0;aspect-ratio:16/9;border:1px solid var(--line);border-radius:12px;background:#10100F;padding:6%;display:flex;flex-direction:column;justify-content:space-between}
.slide svg{width:22%;height:auto}
.slide b{font-family:var(--display);font-size:clamp(1.2rem,3vw,1.9rem);letter-spacing:-.02em;line-height:1.1;max-width:70%}
.slide span{color:var(--muted);font-size:.8rem}
.voice{margin:1.4rem 0;padding:22px;border-radius:16px;background:#181A1B}
.essay .voice p{margin:0;font-family:var(--display);font-size:1.3rem;line-height:1.45;color:var(--ink)}
.dd{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:1.4rem 0}
.dd div{padding:18px;border:1px solid var(--line);border-radius:14px}
.dd div.do{border-color:rgba(244,122,42,.6)}
.dd small{display:block;margin-bottom:8px;font-size:.8rem;font-weight:500;color:var(--muted)}
.dd div.do small{color:var(--accent)}
.dd ul{margin:0;padding-left:1.1rem}
.dd li{margin-bottom:.45rem;font-size:.95rem;line-height:1.45;color:var(--body)}
.essay .h2-cta{margin-top:2.4rem;font-size:clamp(1.6rem,3vw,2.2rem)}
@media (max-width:820px){
  .glyphs,.swatches{grid-template-columns:1fr 1fr}
  .variants,.mock,.dd{grid-template-columns:1fr}
  .specs{grid-template-columns:1fr 1fr}
  .icons{grid-template-columns:repeat(3,1fr)}
  .type-row,.pages li{grid-template-columns:1fr;gap:6px}
  .timing{grid-template-columns:1fr}
}