/* =====================================================================
   RUMONTÉ — Drain Kit (flagship page). Extends site.css.
   Brings in the product's graphite + signal-red palette as accents.
   ===================================================================== */
:root{
  --dk-graphite:#33373d; --dk-ink:#1c1f24; --dk-grey:#8b9098; --dk-grey-soft:#eceef0;
  --dk-red:#e2241a; --dk-red-dark:#b81a12; --dk-stage:#f3f4f5;
}

/* ---- full-bleed hero ---- */
.dk-hero{position:relative;min-height:clamp(560px,82vh,820px);display:grid;align-items:end;overflow:hidden;background:var(--dk-ink)}
.dk-hero .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity .9s ease}
.dk-hero .bg.is-playing{opacity:1}
.dk-hero .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,22,26,.15) 0%,rgba(20,22,26,.05) 40%,rgba(20,22,26,.78) 100%)}
.dk-hero .copy{position:relative;z-index:2;color:#fff;padding-bottom:clamp(48px,7vw,88px);max-width:640px}
.dk-hero .klabel{display:inline-flex;align-items:center;gap:.55em;font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin-bottom:1rem}
.dk-hero .klabel::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--dk-red);box-shadow:0 0 12px var(--dk-red)}
.dk-hero h1{color:#fff;font-size:clamp(2.6rem,6vw,4.6rem);font-weight:500;letter-spacing:-.02em;line-height:1.02;margin-bottom:1rem}
.dk-hero p{color:rgba(255,255,255,.86);max-width:560px;margin-bottom:1.8rem;font-size:clamp(1.02rem,1.4vw,1.18rem);white-space:pre-line}
.dk-hero .cta{display:flex;gap:.8em;flex-wrap:wrap}
.btn-red{background:var(--dk-red);color:#fff}
.btn-red:hover{background:var(--dk-red-dark)}
.btn-onlight{background:#fff;color:var(--dk-ink)}
.btn-onlight:hover{background:var(--dk-grey-soft)}
.btn-wire{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.6)}
.btn-wire:hover{background:#fff;color:var(--dk-ink)}

/* ---- stat band ---- */
.dk-stats{background:var(--dk-ink);color:#fff}
.dk-stats .row{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;padding:clamp(28px,4vw,44px) 0}
.dk-stats .s .n{font-size:clamp(1.7rem,3vw,2.4rem);font-weight:500;letter-spacing:-.02em}
.dk-stats .s .n em{font-style:normal;color:var(--dk-red)}
.dk-stats .s .l{font-size:.84rem;color:var(--dk-grey);margin-top:.2rem}

/* ---- interactive parts explorer ---- */
#parts .sec-head .h-2{white-space:pre-line}
.parts{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(28px,4vw,56px);align-items:center}
.parts-stage{position:relative;aspect-ratio:1/1;background:radial-gradient(70% 70% at 50% 40%,#fff,var(--dk-stage));border:1px solid var(--line);display:grid;place-items:center;overflow:hidden}
.parts-stage img{width:84%;height:84%;object-fit:contain;transition:opacity .35s var(--ease),transform .5s var(--ease)}
.parts-cap{position:absolute;left:0;right:0;bottom:0;padding:1.3rem 1.5rem;background:linear-gradient(transparent,rgba(255,255,255,.92) 40%)}
.parts-cap .no{font-size:.78rem;font-weight:600;color:var(--dk-red);letter-spacing:.05em}
.parts-cap h3{font-size:1.3rem;font-weight:500;margin:.1rem 0 .3rem}
.parts-cap p{font-size:.9rem;color:var(--ink-soft);max-width:46ch;line-height:1.55}
.parts-rail{display:flex;flex-direction:column;gap:.4rem;max-height:520px;overflow-y:auto}
.part-thumb{display:flex;align-items:center;gap:1rem;padding:.7rem .8rem;border:1px solid transparent;border-left:2px solid transparent;text-align:left;transition:.18s var(--ease)}
.part-thumb:hover{background:var(--surface)}
.part-thumb.active{background:var(--surface);border-left-color:var(--dk-red)}
.part-thumb .pic{width:48px;height:48px;flex:none;background:var(--dk-stage);display:grid;place-items:center;overflow:hidden}
.part-thumb .pic img{width:90%;height:90%;object-fit:contain}
.part-thumb .nm{font-size:.95rem;font-weight:500}
.part-thumb .nm small{display:block;font-size:.78rem;color:var(--muted);font-weight:400;margin-top:.1rem}

/* parts overview grid */
.parts-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:clamp(28px,4vw,48px)}
.parts-grid .pg{aspect-ratio:1/1;background:var(--dk-stage);border:1px solid var(--line);display:grid;place-items:center;position:relative;overflow:hidden}
.parts-grid .pg img{width:78%;height:78%;object-fit:contain;transition:transform .4s var(--ease)}
.parts-grid .pg:hover img{transform:scale(1.06)}
.parts-grid .pg span{position:absolute;left:0;right:0;bottom:0;padding:.5em;font-size:.74rem;text-align:center;background:linear-gradient(transparent,rgba(255,255,255,.9));color:var(--ink-soft)}

/* ---- video ---- */
.dk-video{position:relative;background:var(--dk-ink)}
.dk-video .frame{position:relative;aspect-ratio:16/9;overflow:hidden;background:#000}
.dk-video video{width:100%;height:100%;object-fit:cover;display:block}
.dk-video .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;cursor:pointer;transition:opacity .4s}
.dk-video .play{position:absolute;inset:0;display:grid;place-items:center;cursor:pointer;transition:opacity .3s}
.dk-video .play .circ{width:84px;height:84px;border-radius:50%;background:rgba(226,36,26,.92);display:grid;place-items:center;box-shadow:0 10px 40px rgba(226,36,26,.5);transition:transform .25s}
.dk-video .play:hover .circ{transform:scale(1.08)}
.dk-video .play svg{width:30px;height:30px;color:#fff;margin-left:4px}
.dk-video .is-hidden{opacity:0;pointer-events:none}

/* ---- marketing detail carousel (ready-made graphics) ---- */
.dk-marketing .track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:1rem;scrollbar-width:none}
.dk-marketing .track::-webkit-scrollbar{display:none}
.dk-marketing .slide{flex:0 0 clamp(280px,40vw,460px);scroll-snap-align:start;border:1px solid var(--line);overflow:hidden;background:var(--surface)}
.dk-marketing .slide img{width:100%;display:block}
.dk-marketing .nav{display:flex;gap:.6em;justify-content:flex-end;margin-top:1rem}
.dk-marketing .nav button{width:44px;height:44px;border:1px solid var(--line);display:grid;place-items:center;transition:.2s}
.dk-marketing .nav button:hover{background:var(--dk-ink);color:#fff;border-color:var(--dk-ink)}

/* ---- lifestyle grid ---- */
.dk-life{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;gap:14px}
.dk-life a{position:relative;overflow:hidden;background:var(--surface);aspect-ratio:3/4}
.dk-life a.tall{grid-row:span 2}
.dk-life a.wide{grid-column:span 2;aspect-ratio:auto}
.dk-life img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.dk-life a:hover img{transform:scale(1.04)}

/* ---- technical / line drawings ---- */
.dk-tech{background:var(--surface)}
.dk-tech .inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.dk-tech .draw{background:#fff;border:1px solid var(--line);padding:clamp(1.5rem,3vw,2.5rem);display:grid;place-items:center}
.dk-tech .draw img{width:100%;max-width:460px}

/* ---- pre-order CTA ---- */
.dk-cta{background:var(--dk-ink);color:#fff;text-align:center}
.dk-cta h2{color:#fff}
.dk-cta p{color:var(--dk-grey);max-width:520px;margin:.9rem auto 1.8rem}
.dk-cta .accent{color:var(--dk-red)}

@media (max-width:900px){
  .parts{grid-template-columns:1fr}
  .parts-rail{flex-direction:row;max-height:none;overflow-x:auto;padding-bottom:.5rem}
  .part-thumb{flex:0 0 auto;flex-direction:column;width:96px;border-left:0;border-bottom:2px solid transparent;text-align:center}
  .part-thumb.active{border-left:0;border-bottom-color:var(--dk-red)}
  .part-thumb .nm small{display:none}
  .parts-grid{grid-template-columns:repeat(3,1fr)}
  .dk-stats .row{grid-template-columns:repeat(2,1fr)}
  .dk-tech .inner{grid-template-columns:1fr}
  .dk-life{grid-template-columns:repeat(2,1fr)}
  .dk-life a.wide{grid-column:span 2}
}
@media (max-width:560px){
  .parts-grid{grid-template-columns:repeat(2,1fr)}
  .dk-life{grid-template-columns:1fr}
  .dk-life a,.dk-life a.tall,.dk-life a.wide{grid-row:auto;grid-column:auto;aspect-ratio:4/3}
}