/* Product detail pages for interest-list goods. */
:root{
  --bg:#ffffff; --surface:#ffffff; --soft:#fafafa; --text:#111111; --muted:#6b6b6b;
  --heading:#111111; --accent:#f0531a; --accent-hover:#d9430c; --ink:#111111;
  --border:rgba(17,17,17,0.12); --font:Helvetica,'Helvetica Neue',Arial,sans-serif;
  --r-sm:2px; --r-md:3px; --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
.announce{background:var(--ink);color:#fff;text-align:center;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.14em;padding:0.6rem 1rem;font-weight:700}
.announce .hl{color:var(--accent)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:1.4rem clamp(1.2rem,4vw,3rem);position:sticky;top:0;background:rgba(255,255,255,0.9);backdrop-filter:blur(8px);z-index:50;border-bottom:1px solid var(--border)}
.brand{font-weight:800;letter-spacing:-0.02em;font-size:1.05rem;text-transform:uppercase}
.brand .dot{color:var(--accent)}
.links{display:flex;gap:1.4rem;font-size:0.72rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--muted)}
.links a:hover{color:var(--text)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.2rem,4vw,3rem)}
.back{display:inline-flex;margin:1.6rem 0 0;font-size:0.68rem;text-transform:uppercase;letter-spacing:0.13em;font-weight:800;color:var(--muted);border-bottom:1px solid var(--border)}
.back:hover{color:var(--accent);border-color:var(--accent)}
.hero{display:grid;grid-template-columns:minmax(0,0.95fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:start;padding:clamp(1.6rem,4vw,3rem) 0 clamp(3rem,6vw,5rem)}
.media{position:sticky;top:6rem}
.image-frame{background:linear-gradient(160deg,#f6f6f6,#e9e9e9);border:1px solid var(--border);border-radius:var(--r-md);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:clamp(1rem,3vw,2rem);overflow:hidden}
.image-frame img{display:block;max-width:100%;max-height:100%;width:100%;height:100%;object-fit:contain}
.image-note{margin-top:0.75rem;color:var(--muted);font-size:0.72rem;line-height:1.55}
.kicker{font-size:0.72rem;text-transform:uppercase;letter-spacing:0.2em;color:var(--accent);font-weight:800;margin-bottom:0.8rem}
h1{font-size:clamp(2.4rem,7vw,4.6rem);line-height:0.92;letter-spacing:-0.03em;text-transform:uppercase;font-weight:900;margin-bottom:1rem}
.lede{font-size:clamp(1rem,2.2vw,1.2rem);color:var(--muted);max-width:46rem;margin-bottom:1.4rem}
.badges{display:flex;gap:0.5rem;flex-wrap:wrap;margin:0 0 1.2rem}
.badges span{border:1px solid var(--border);border-radius:var(--r-sm);padding:0.3rem 0.5rem;font-size:0.62rem;text-transform:uppercase;letter-spacing:0.12em;font-weight:800;color:var(--muted)}
.badges span:first-child{color:var(--accent);border-color:rgba(240,83,26,0.32);background:rgba(240,83,26,0.05)}
.actions{display:flex;gap:0.7rem;flex-wrap:wrap;margin:1.2rem 0}
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:#fff;font-weight:800;text-transform:uppercase;letter-spacing:0.08em;font-size:0.82rem;padding:0.95rem 1.35rem;border-radius:var(--r-sm);border:1px solid var(--ink);cursor:pointer}
.btn:hover{background:var(--accent);border-color:var(--accent)}
.btn.secondary{background:transparent;color:var(--text);border-color:var(--border)}
.btn.secondary:hover{color:var(--accent);border-color:var(--accent)}
.status-note{max-width:44rem;color:var(--muted);font-size:0.8rem;line-height:1.6}
.status-note strong{color:var(--text);text-transform:uppercase;letter-spacing:0.08em;font-size:0.7rem}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0.7rem;margin:1.4rem 0}
.metric{border:1px solid var(--border);border-radius:var(--r-md);background:var(--soft);padding:0.9rem}
.metric strong{display:block;font-size:1rem;letter-spacing:-0.01em}
.metric span{display:block;margin-top:0.2rem;color:var(--muted);font-size:0.62rem;text-transform:uppercase;letter-spacing:0.12em;font-weight:800}
.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin:1.4rem 0}
.detail-card{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface);padding:1.1rem}
.detail-card h2{font-size:0.72rem;text-transform:uppercase;letter-spacing:0.13em;color:var(--accent);margin-bottom:0.65rem}
.detail-card p{font-size:0.9rem;color:var(--muted)}
.order-form{margin-top:1.4rem;border:1px solid var(--border);border-radius:var(--r-md);padding:1rem;background:var(--soft);max-width:44rem}
.order-form label{display:block;margin-bottom:0.45rem;font-size:0.68rem;text-transform:uppercase;letter-spacing:0.14em;font-weight:800;color:var(--text)}
.order-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0.6rem}
.order-row input{width:100%;border:1px solid var(--border);border-radius:var(--r-sm);padding:0.82rem 0.9rem;font:inherit;font-size:0.9rem;color:var(--text);background:#fff}
.order-row input:focus{outline:2px solid rgba(240,83,26,0.24);border-color:var(--accent)}
.order-row button{border:0;border-radius:var(--r-sm);background:var(--accent);color:#fff;font:inherit;font-size:0.76rem;font-weight:800;text-transform:uppercase;letter-spacing:0.1em;padding:0.85rem 1rem;cursor:pointer;white-space:nowrap}
.order-row button:hover{background:var(--accent-hover)}
.form-status{margin-top:0.65rem;font-size:0.74rem;color:var(--muted);line-height:1.45}
.form-status[data-tone="success"]{color:#1f7a35}
.form-status[data-tone="error"]{color:#b3261e}
.form-status[data-tone="fallback"]{color:var(--accent)}
.related{border-top:1px solid var(--border);padding:clamp(2.5rem,5vw,4rem) 0}
.related h2{font-size:clamp(1.4rem,4vw,2.2rem);text-transform:uppercase;letter-spacing:-0.02em;margin-bottom:1.2rem}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.related-card{border:1px solid var(--border);border-radius:var(--r-md);padding:0.8rem;background:var(--surface)}
.related-card img{width:100%;aspect-ratio:1/1;object-fit:contain;background:#f3f3f3;border:1px solid var(--border);border-radius:var(--r-sm);padding:0.55rem;margin-bottom:0.75rem}
.related-card strong{display:block;font-size:0.82rem;text-transform:uppercase;letter-spacing:0.03em}
.related-card span{display:block;margin-top:0.25rem;font-size:0.66rem;text-transform:uppercase;letter-spacing:0.12em;color:var(--muted)}
footer{border-top:1px solid var(--border);padding:2.5rem 0;font-size:0.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.1em}
footer .row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
footer a:hover{color:var(--text)}
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .media{position:static}
  .detail-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .nav{padding:1rem 1.2rem}
  .links{gap:0.9rem;font-size:0.65rem}
  .links a.optional{display:none}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .order-row{grid-template-columns:1fr}
  .order-row button{width:100%}
  .related-grid{grid-template-columns:1fr}
}