.uph{margin-top:clamp(64px,8vw,110px);border-top:1px solid var(--line);padding-top:clamp(44px,5vw,72px)}
.uph .pick-name{margin-top:18px;font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--steel)}
.uph .pick-name b{color:var(--bone);font-weight:500}
:lang(ja) .uph .pick-name,:lang(ko) .uph .pick-name,:lang(zh) .uph .pick-name,
:lang(ar) .uph .pick-name{text-transform:none}
.uph-head{max-width:78ch}
.uph .h3{font-size:clamp(1.55rem,3.4vw,2.5rem);letter-spacing:-.02em;max-width:22ch;margin:0}
.uph .h3 em{font-style:normal;color:var(--acc-lite)}
.uph-head p{margin-top:20px;max-width:70ch;color:var(--steel);font-size:1.02rem;line-height:1.62}
.uph-head p b{color:var(--bone);font-weight:600}
.uph-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(26px,3.4vw,54px);
  align-items:start;margin-top:clamp(32px,4vw,52px)}

.uph-preview{position:sticky;top:96px;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:radial-gradient(96% 86% at 52% 30%,#3a434b,#14181c);padding:clamp(30px,3.4vw,52px);
  display:flex;align-items:center;justify-content:center;min-height:380px}
.pad{--vinyl:#1e1c25;--thread:#ea5d18;
  position:relative;width:100%;aspect-ratio:4/3;border-radius:16px;overflow:hidden;
  background:var(--vinyl);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22),inset 0 -2px 0 rgba(0,0,0,.5),
    inset 0 -30px 44px rgba(0,0,0,.34),0 30px 50px rgba(0,0,0,.55);
  transition:background-color .32s ease}
.pad-art{position:absolute;inset:0;width:100%;height:100%}
.pad-art .stitch{stroke:var(--thread);transition:stroke .32s ease}
.pad-art .stitch-sh{transition:none}
.pad-art .stitch-hi{transition:none}
.pad-grain{position:absolute;inset:0;pointer-events:none;opacity:.46;mix-blend-mode:overlay;
  background-image:url("images/uph-grain.webp"),url("images/uph-grain.webp");
  background-size:214px 214px,137px 137px;
  background-position:0 0,41px 73px;
  background-blend-mode:overlay}
.pad[data-stitch="none"] .pad-quilt{display:none}
.pad[data-stitch="single"] .q-double{display:none}
.pad[data-stitch="double"] .q-single{display:none}
.pad-sheen{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(122deg,rgba(255,255,255,.15) 0%,rgba(255,255,255,.04) 22%,
    rgba(255,255,255,0) 50%,rgba(0,0,0,.20) 100%)}
.pad-form{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(118% 104% at 50% 40%,rgba(255,255,255,.09) 0%,rgba(255,255,255,0) 46%,
      rgba(0,0,0,.16) 78%,rgba(0,0,0,.34) 100%),
    linear-gradient(180deg,rgba(255,255,255,.10) 0,rgba(255,255,255,0) 3.5%),
    linear-gradient(0deg,rgba(0,0,0,.22) 0,rgba(0,0,0,0) 5%)}
.uph-card{position:absolute;left:18px;bottom:18px;z-index:2;background:rgba(10,11,12,.82);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--line-2);border-radius:9px;
  padding:12px 16px;display:flex;flex-direction:column;gap:5px}
.uph-card .mono{color:var(--steel)}
.uph-card b{font-family:"Archivo","Archivo fallback",sans-serif;font-variation-settings:'wdth' 112;font-weight:800;
  text-transform:uppercase;letter-spacing:.01em;color:var(--bone);font-size:.98rem}
.uph-card .sep{color:var(--steel-lo);font-weight:400}
.uph-card-st{color:var(--acc-lite)}

.uph-stitch{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.uph-stitch button{padding:0;border:1px solid var(--line-2);border-radius:9px;overflow:hidden;
  background:var(--void,#13161a);cursor:pointer;display:block;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.uph-stitch button:hover{border-color:var(--bone);transform:translateY(-2px)}
.uph-stitch button[aria-current="true"]{border-color:var(--bone);box-shadow:0 0 0 2px var(--bone)}
.uph-stitch button:focus-visible{outline:2px solid var(--acc-lite);outline-offset:3px}
.uph-stitch svg{display:block;width:100%;height:auto;aspect-ratio:16/10}
.uph-stitch .cap{display:block;padding:7px 8px 8px;font-family:"IBM Plex Mono",monospace;
  font-size:.58rem;letter-spacing:.11em;text-transform:uppercase;color:var(--steel);
  background:rgba(10,11,12,.72);border-top:1px solid var(--line)}
.uph-stitch button[aria-current="true"] .cap{color:var(--bone)}
.uph-note-sm{margin:14px 0 0;color:var(--steel-lo);font-size:.88rem;line-height:1.55;max-width:52ch;min-height:2.8em}

.uph-pickers{display:grid;gap:clamp(26px,3vw,40px)}
.uph-lbl{display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:18px}
.uph-lbl .mono{color:var(--bone)}
.uph-count{font-family:"IBM Plex Mono",monospace;font-size:.64rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--steel-lo);white-space:nowrap}
.uph-sw{display:flex;flex-wrap:wrap;gap:7px}
.uph-sw button{width:30px;height:30px;border:1px solid var(--line-2);background:var(--sw);
  border-radius:6px;cursor:pointer;padding:0;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.uph-sw button:hover{border-color:var(--bone);transform:translateY(-2px)}
.uph-sw button[aria-current="true"]{border-color:var(--bone);box-shadow:0 0 0 2px var(--bone)}
.uph-sw button:focus-visible{outline:2px solid var(--acc-lite);outline-offset:3px}
.uph-sw button.pale{border-color:rgba(0,0,0,.35)}
.uph-spec{margin:20px 0 0;display:grid;gap:9px}
.uph-spec div{display:grid;grid-template-columns:8.5rem 1fr;gap:14px;align-items:baseline}
.uph-spec dt{font-family:"IBM Plex Mono",monospace;font-size:.62rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--steel-lo)}
.uph-spec dd{margin:0;color:var(--steel);font-size:.92rem;line-height:1.5}
.uph-note{margin:clamp(30px,3.4vw,46px) 0 0;max-width:82ch;color:var(--steel-lo);
  font-size:.9rem;line-height:1.6}

@media (max-width:900px){
  .uph-grid{display:block}
  .uph-preview{position:sticky;top:67px;z-index:3;min-height:0;
    padding:10px;margin-bottom:22px;box-shadow:0 18px 30px -18px rgba(0,0,0,.85)}
  .pad{aspect-ratio:2/1}
  .uph-preview{display:block}
  .uph-card{position:static;margin-top:8px;padding:0;border:0;background:none;
    -webkit-backdrop-filter:none;backdrop-filter:none;
    flex-direction:row;align-items:baseline;gap:8px;flex-wrap:wrap}
  .uph-card > .mono:first-child{display:none}
  .uph-card b{font-size:.82rem}
  .uph-card-st{font-size:.6rem}
  .uph-card-st::before{content:"\00b7 "}
  .uph-block{scroll-margin-top:300px}
  .uph-spec div{grid-template-columns:1fr;gap:3px}
  .uph-lbl{flex-direction:column;align-items:flex-start;gap:5px}
}
@media (max-width:860px){
  .uph-sw button{width:38px;height:38px}
  .uph-count{font-size:.7rem}
  .uph-spec dt{font-size:.7rem}
}