:root{--ink:#111;--soft:#666;--line:#e3e3e3;--bg:#fff;--panel:#f6f6f6;--navy:#13203f;--red:#d71920;--ok:#0a7a3d}
[hidden]{display:none!important}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:Inter,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}

.top{border-bottom:1px solid var(--line);background:#000;color:#fff}
.top-in{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:46px;font-size:13px}
.crumbs{color:#bbb;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.crumbs i{font-style:normal;margin:0 6px;color:#777}
.crumbs b{color:#fff;font-weight:600}
.demo-tag{font-size:12px;color:#9a9a9a;white-space:nowrap}

.pdp{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;padding-top:28px;padding-bottom:40px}

/* gallery */
.gallery{position:sticky;top:16px;align-self:start}
.stage{position:relative;aspect-ratio:1/1;background:#fff;border-radius:6px;overflow:hidden;perspective:2200px}
.flip{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .9s cubic-bezier(.6,.05,.25,1)}
.stage.back .flip{transform:rotateY(180deg)}
.face{position:absolute;inset:0;width:100%;height:100%;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:block}
.face.back{transform:rotateY(180deg)}
.photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#fff}
.side-switch{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);display:flex;background:#fff;border:1px solid var(--line);border-radius:999px;padding:3px;box-shadow:0 4px 14px rgba(0,0,0,.08)}
.side-switch button{border:0;background:none;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer;color:var(--soft)}
.side-switch button.on{background:#000;color:#fff}
.live{position:absolute;left:14px;top:14px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:var(--red);color:#fff;padding:5px 9px;border-radius:3px;opacity:0;transition:opacity .3s}
.live.on{opacity:1}
.live.on::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#fff;margin-right:6px;vertical-align:1px;animation:blink 1.2s infinite}
@keyframes blink{50%{opacity:.25}}
.stage.pop .flip{animation:pop .35s ease}
@keyframes pop{40%{scale:1.012}}
.thumbs{display:flex;gap:10px;margin-top:12px}
.thumbs button{width:74px;height:74px;border:1px solid var(--line);border-radius:4px;background:#fff;padding:0;cursor:pointer;overflow:hidden}
.thumbs button.on{border-color:#000;box-shadow:inset 0 0 0 1px #000}
.thumbs img,.thumbs canvas{width:100%;height:100%;object-fit:cover;display:block}

/* buy box */
.kicker{font-size:12px;letter-spacing:.12em;color:var(--soft);font-weight:600}
h1{font-family:"Barlow Condensed",Arial Narrow,sans-serif;font-weight:800;font-size:38px;line-height:1;text-transform:uppercase;margin:8px 0 8px}
.sku{font-size:12px;color:var(--soft);text-transform:uppercase;letter-spacing:.04em}
.price{font-size:28px;font-weight:700;margin:14px 0 4px}
.block{margin-top:20px}
.lbl{font-size:13px;font-weight:600;margin-bottom:8px}
.lbl em,label em{color:var(--red);font-style:normal}
.models{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.models button{border:1px solid var(--line);background:#fff;border-radius:6px;padding:8px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:6px}
.models button img{width:100%;aspect-ratio:1/1;object-fit:contain}
.models button span{font-size:12px;line-height:1.25;font-weight:600}
.models button small{font-size:12px;color:var(--soft)}
.models button.on{border-color:#000;box-shadow:inset 0 0 0 1px #000}
.sizes{display:flex;flex-wrap:wrap;gap:6px}
.sizes button{min-width:48px;height:40px;border:1px solid var(--line);background:#fff;border-radius:4px;font-size:13px;font-weight:600;cursor:pointer}
.sizes button.on{background:#000;color:#fff;border-color:#000}
.err{color:var(--red);font-size:13px;margin-top:6px}

.perso{margin-top:22px;background:var(--panel);border-radius:8px;padding:14px}
.perso-head{display:flex;align-items:center;gap:10px;background:#000;color:#fff;border-radius:6px;padding:13px 14px;cursor:pointer;font-weight:600;position:relative}
.perso-head .ic{width:20px;height:20px;color:var(--red)}
.perso-head .ic svg{width:100%;height:100%}
.perso-head .box{margin-left:auto;border-color:#fff}
.perso-body{margin-top:14px;display:flex;flex-direction:column;gap:14px}
.sub{display:flex;flex-direction:column;gap:14px;background:#fff;border-radius:6px;padding:14px}
#matchExtras{display:flex;flex-direction:column;gap:14px}
#matchExtras[hidden]{display:none}
.field{display:flex;flex-direction:column;gap:6px}
.field label,.opt-top{font-size:13px;font-weight:600}
.add{color:var(--soft);font-weight:500}
select,.field input,.link input{width:100%;height:44px;border:1px solid #cfcfcf;border-radius:4px;background:#fff;padding:0 12px;font-size:15px}
select{appearance:none;-webkit-appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23d71920' stroke-width='2'/%3E%3C/svg%3E") no-repeat right 14px center;padding-right:36px}
#name{text-transform:uppercase;letter-spacing:.06em;font-weight:600}
select:focus,.field input:focus,.link input:focus{outline:2px solid #000;outline-offset:-1px}
.hint{font-size:12px;color:var(--soft)}
.opt{display:flex;flex-direction:column;gap:6px}
.opt-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.viz{border:0;background:none;color:var(--red);font-size:12px;font-weight:600;text-decoration:underline;cursor:pointer;white-space:nowrap}
.chk{display:flex;align-items:center;gap:10px;border:1px solid #cfcfcf;border-radius:4px;padding:9px 12px;background:#fff;cursor:pointer;font-size:14px;font-weight:600;position:relative}
.chk img{width:28px;height:20px;object-fit:cover;border-radius:2px}
.chk img[src*="unl"]{object-fit:contain;height:26px}
input[type=checkbox]{position:absolute;opacity:0;pointer-events:none}
.box{width:20px;height:20px;border:1.5px solid #222;border-radius:3px;margin-left:auto;flex:none;position:relative;background:transparent}
input:checked+.box{background:var(--red);border-color:var(--red)}
input:checked+.box::after{content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}
.chk:has(input:checked){border-color:#000}
.nfc-ic,.gift-ic{width:22px;height:22px;flex:none;background:center/contain no-repeat}
.nfc-ic{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d71920' stroke-width='2'%3E%3Crect x='7' y='7' width='10' height='10' rx='2'/%3E%3Cpath d='M10 3v4M14 3v4M10 17v4M14 17v4M3 10h4M3 14h4M17 10h4M17 14h4'/%3E%3C/svg%3E")}
.gift-ic{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d71920' stroke-width='2'%3E%3Crect x='3' y='8' width='18' height='13' rx='1'/%3E%3Cpath d='M3 12h18M12 8v13M12 8c-2-4-6-4-6-1s6 1 6 1zM12 8c2-4 6-4 6-1s-6 1-6 1z'/%3E%3C/svg%3E")}
.link{display:flex;align-items:center;border:1px solid #cfcfcf;border-radius:4px;background:#fff;overflow:hidden}
.link-ic{width:44px;height:44px;display:grid;place-items:center;border-right:1px solid #cfcfcf;color:#555}
.link-ic svg{width:18px;height:18px}
.link input{border:0;border-radius:0}
.sum{background:#fff;border-radius:6px;padding:14px}
.sum-row{display:flex;justify-content:space-between;font-size:15px}
.terms{margin-top:10px;padding-left:18px;font-size:12.5px;color:#333;display:flex;flex-direction:column;gap:4px}
.terms li::marker{color:var(--red)}
.gift{margin-top:16px}
.actions{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.btn{height:52px;border-radius:4px;border:0;font-weight:700;font-size:15px;cursor:pointer;letter-spacing:.02em}
.btn.primary{background:#000;color:#fff}
.btn.ghost{background:#fff;border:1px solid #000}
.usp{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--soft)}
.usp li::before{content:"✓";color:var(--ok);font-weight:700;margin-right:8px}
.foot{font-size:12px;color:#888;padding-top:20px;padding-bottom:40px;border-top:1px solid var(--line)}

.mini{position:fixed;right:14px;bottom:14px;width:124px;height:124px;border-radius:10px;border:1px solid var(--line);background:#fff;box-shadow:0 8px 24px rgba(0,0,0,.18);padding:0;overflow:hidden;opacity:0;transform:translateY(20px);pointer-events:none;transition:.25s;z-index:30;cursor:pointer}
.mini.on{opacity:1;transform:none;pointer-events:auto}
.mini canvas{width:100%;height:100%;display:block}

.modal{position:fixed;inset:0;background:rgba(0,0,0,.55);display:grid;place-items:center;padding:16px;z-index:50}
.modal[hidden]{display:none}
.modal-card{background:#fff;border-radius:8px;max-width:720px;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px;position:relative}
.modal-media{background:#f2f2f2;border-radius:6px;aspect-ratio:1/1;display:grid;place-items:center;overflow:hidden}
.modal-media canvas,.modal-media img,.modal-media svg{width:100%;height:100%;object-fit:contain;display:block}
.modal-text h3{font-family:"Barlow Condensed",sans-serif;font-size:26px;text-transform:uppercase;line-height:1;margin:6px 0 10px}
.modal-text p{font-size:14px;color:#333}
.x{position:absolute;right:10px;top:6px;border:0;background:none;font-size:28px;cursor:pointer;line-height:1}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);background:#000;color:#fff;padding:12px 18px;border-radius:6px;font-size:14px;opacity:0;transition:.3s;z-index:60;max-width:calc(100% - 32px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media (max-width:900px){
  .pdp{grid-template-columns:1fr;gap:20px;padding-top:12px}
  .gallery{position:relative;top:0}
  .wrap{padding:0 16px}
  h1{font-size:30px}
  .demo-tag{display:none}
  .thumbs button{width:62px;height:62px}
  .modal-card{grid-template-columns:1fr;max-height:90vh;overflow:auto}
}
@media (min-width:901px){.mini{display:none}}