/* leggibilita' dei testi piccoli (note, promozione): grigio secondario schiarito solo su FIAMMA */
body.pdp{--dim:#9a9a96}
/* ---------- scena fissa e ombreggiatura di leggibilita' ---------- */
.shade{position:fixed;inset:0;z-index:1;pointer-events:none;transition:opacity .6s;
  background:linear-gradient(90deg,rgba(12,12,13,.86) 0%,rgba(12,12,13,.42) 38%,transparent 58%),
  linear-gradient(0deg,rgba(12,12,13,.7),transparent 30%)}
.shade.is-right{background:linear-gradient(270deg,rgba(12,12,13,.88) 0%,rgba(12,12,13,.4) 40%,transparent 60%)}
@media (max-width:760px){.shade,.shade.is-right{background:linear-gradient(0deg,rgba(12,12,13,.96) 0%,rgba(12,12,13,.75) 40%,transparent 62%)}}

/* ---------- hotspot proiettati dal 3D ---------- */
.hotspots{position:fixed;inset:0;z-index:3;pointer-events:none}
.hs{position:absolute;left:0;top:0;opacity:0;transition:opacity .5s}
.hs.is-on{opacity:1}
.hs i{position:absolute;width:14px;height:14px;margin:-7px 0 0 -7px;border:2px solid var(--yellow);border-radius:50%;background:rgba(242,210,10,.25)}
.hs i::after{content:"";position:absolute;inset:-10px;border:1px solid rgba(242,210,10,.5);border-radius:50%;animation:ping 1.8s var(--ease) infinite}
@keyframes ping{from{transform:scale(.4);opacity:1}to{transform:scale(1.6);opacity:0}}
.hs__line{position:absolute;left:0;top:0;overflow:visible;width:1px;height:1px}
.hs__line line{stroke:var(--yellow);stroke-width:1;stroke-dasharray:4 4}

/* ---------- hero commerciale ---------- */
.pdp-hero{min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:110px var(--gutter) 80px;position:relative}
.pdp-hero__txt{display:grid;gap:22px;max-width:520px;min-width:0;width:100%}
.crumb{font-size:12px;color:var(--muted)}
.crumb a:hover{color:var(--ink)}
.pdp-hero__name{font-size:clamp(60px,7.2vw,130px)}
.facts{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line)}
.facts li{padding:14px 12px 0 0;display:grid;gap:4px}
.facts b{font-size:clamp(20px,2vw,28px);font-weight:700}
.facts span{font-size:11px;color:var(--muted);line-height:1.3}
.buy{display:grid;gap:16px;padding-top:6px}
.buy__amount{font-size:clamp(30px,3vw,40px);font-weight:700}
.buy__vat{font-size:11px;color:var(--muted);letter-spacing:.04em}
.promo-slot{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--dim);border:1px dashed rgba(244,244,242,.18);padding:8px 10px;width:max-content;max-width:100%;margin-top:8px}
.promo-slot i{width:6px;height:6px;background:var(--dim);flex:none}
.buy__row{display:flex;gap:12px;flex-wrap:wrap}
.qty{display:flex;align-items:center;border:1px solid var(--line);height:56px}
.qty button{width:46px;height:100%;font-size:20px}
.qty button:hover{background:var(--steel-2)}
.qty output{min-width:34px;text-align:center;font:700 17px var(--mono)}
.b2b-link{display:inline-flex;gap:10px;align-items:center;font-size:14px;color:var(--muted);width:fit-content;max-width:100%} /* fit-content: su 320 px il testo va a capo invece di allargare la pagina */
.b2b-link svg{width:14px;height:14px;flex:none}
.b2b-link:hover{color:var(--ink)}
.drag-hint{position:absolute;right:var(--gutter);bottom:90px;display:flex;gap:10px;align-items:center;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.drag-hint svg{width:18px;height:18px}
@media (max-width:760px){
  .pdp-hero{align-items:flex-end;padding-bottom:110px}
  .pdp-hero{padding-top:52vh}
  .pdp-hero__txt{gap:14px}
  .pdp-hero__txt .lead,.promo-slot,.crumb{display:none}
  .pdp-hero__name{font-size:clamp(48px,14vw,90px)}
  .buy__row .btn{flex:1;justify-content:center;padding:0 14px}
  .drag-hint{top:108px;bottom:auto;right:16px} /* sotto la nota "demo" di apertura */
}

/* ---------- sezioni fissate ---------- */
.pin{position:relative;height:240vh}
.pin--long{height:420vh}
.pin__sticky{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;padding:0 var(--gutter)}
.chapter{display:grid;gap:22px;max-width:560px}
.meter{width:220px;height:2px;background:var(--line);position:relative}
.meter span{position:absolute;inset:0;background:linear-gradient(90deg,#ff7a1a,var(--yellow));transform:scaleX(0);transform-origin:left}
@media (max-width:760px){.pin__sticky{align-items:flex-end;padding-bottom:90px}}

/* anatomia */
.anat__kicker{position:absolute;top:110px;right:var(--gutter)}
.anat{list-style:none;margin:0;padding:0;position:absolute;right:var(--gutter);top:50%;transform:translateY(-50%);width:min(440px,40vw);height:260px}
.anat li{position:absolute;inset:0;display:grid;gap:14px;align-content:start;opacity:0;visibility:hidden}
.anat__n{font-size:13px;color:var(--yellow)}
.anat p{color:#d3d3cf;max-width:36ch}
.anat__dots{position:absolute;right:var(--gutter);bottom:60px;list-style:none;margin:0;padding:0;display:flex;gap:6px}
.anat__dots li{width:28px;height:2px;background:var(--line);transition:background .3s}
.anat__dots li.is-on{background:var(--yellow)}
@media (max-width:760px){
  .anat{left:16px;right:16px;width:auto;top:auto;bottom:90px;transform:none;height:210px}
  .anat__kicker{top:auto;bottom:312px;left:16px;right:auto} /* sopra il testo del capitolo, lontano dal modello */
  .anat__dots{bottom:64px;left:16px;right:auto}
}

/* serata */
.evening{display:grid;gap:22px;width:min(520px,100%)}
.clock{display:grid;grid-template-columns:1fr 1fr;gap:16px;border-top:1px solid var(--line);padding-top:16px}
.clock div{display:grid;gap:4px}
.lbl{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.clock b{font-size:clamp(34px,4vw,58px);font-weight:700;line-height:1}
.fuel{height:8px;background:var(--steel-2);position:relative;overflow:hidden}
.fuel span{position:absolute;inset:0;background:linear-gradient(90deg,#b0773f,#d9a86a);transform-origin:left}
.cost{display:grid;gap:12px;padding:18px;border:1px solid var(--line);background:rgba(12,12,13,.6);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.cost__opts{display:flex;flex-wrap:wrap;gap:6px}
.cost__opts button{font:600 12px var(--mono);padding:9px 10px;border:1px solid var(--line);transition:.3s}
.cost__opts button[aria-checked="true"]{background:var(--yellow);color:var(--yellow-ink);border-color:var(--yellow)}
.cost__out{font-size:34px;font-weight:700;color:var(--yellow)}
@media (max-width:760px){.evening{gap:14px}.cost{padding:14px}.cost__out{font-size:26px}}

/* ---------- configuratore ---------- */
.config{min-height:110vh;display:flex;justify-content:flex-end;align-items:center;padding:120px var(--gutter)}
.config__panel{width:min(460px,100%);display:grid;gap:18px;background:rgba(16,16,17,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);padding:30px}
.opts{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.opts li{border-bottom:1px solid var(--line)}
.opts label{display:grid;grid-template-columns:22px 1fr auto;gap:14px;align-items:center;padding:14px 0;cursor:pointer}
.opts input{position:absolute;opacity:0;pointer-events:none}
.opts__box{width:22px;height:22px;border:1px solid rgba(244,244,242,.35);position:relative;transition:.25s}
.opts__box::after{content:"";position:absolute;inset:4px;background:var(--yellow);transform:scale(0);transition:transform .3s var(--ease)}
.opts input:checked+.opts__box{border-color:var(--yellow)}
.opts input:checked+.opts__box::after{transform:scale(1)}
.opts input:focus-visible+.opts__box{outline:2px solid var(--yellow);outline-offset:3px}
.opts__name{font-weight:600}
.opts__name small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.opts__price{font-size:14px;color:var(--muted)}
.total{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 16px}
.total b{font-size:clamp(24px,7.4vw,30px);white-space:nowrap}
@media (max-width:760px){.config{padding:55vh 16px 120px;align-items:flex-end}.config__panel{padding:20px}}

/* ---------- pellet con FIAMMA ---------- */
.bundle{position:relative;z-index:2;background:#100f0e;padding:140px var(--gutter) 110px;display:grid;gap:50px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:#100f0e;padding:34px 28px;display:grid;gap:8px;position:relative;overflow:hidden}
.step b{font-size:clamp(40px,5vw,76px);line-height:1}
.step span:last-child{font-size:13px;color:var(--muted)}
.step::before{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--yellow);transform:scaleX(0);transform-origin:left;transition:transform .8s var(--ease)}
.step.is-on::before,.step:hover::before{transform:none}
@media (max-width:760px){.steps{grid-template-columns:1fr}}

/* ---------- B2B ---------- */
.locali{position:relative;z-index:2;background:var(--ink);color:var(--void);padding:130px var(--gutter);display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;overflow:hidden}
.locali .kicker{color:#555}
.locali .kicker::before{background:var(--void)}
.locali__txt{display:grid;gap:26px}
.locali__list{list-style:none;margin:0;padding:0;display:grid;gap:12px;font-size:18px;max-width:40ch}
.locali__list li{padding-left:22px;position:relative}
.locali__list li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;background:var(--yellow);outline:1px solid var(--void)}
.locali .btn--solid{width:max-content;background:var(--void);color:var(--ink)}
.locali .btn--solid::before{background:var(--yellow)}
.locali .btn--solid:hover{color:var(--yellow-ink)}
.locali__img{justify-self:center;height:min(70vh,620px);width:auto;filter:drop-shadow(0 30px 40px rgba(0,0,0,.25))}
@media (max-width:760px){.locali{grid-template-columns:1fr}.locali__img{height:50vh}}

/* ---------- scheda ---------- */
.specs{position:relative;z-index:2;background:var(--void);padding:120px var(--gutter);display:grid;gap:34px}
.specs__grid{margin:0;display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line)}
.specs__grid div{display:grid;grid-template-columns:160px 1fr;gap:12px;padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}
.specs__grid div:nth-child(odd){padding-right:28px}
.specs dt{color:var(--muted)}
.specs dd{margin:0}
@media (max-width:760px){.specs__grid{grid-template-columns:1fr}.specs__grid div{grid-template-columns:120px 1fr}}

/* ---------- barra acquisto (mobile) ---------- */
.buybar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(12,12,13,.92);backdrop-filter:blur(12px);border-top:1px solid var(--line);transform:translateY(100%);transition:transform .5s var(--ease)}
.buybar.is-on{transform:none}
.buybar div{display:grid}
.buybar b{font-size:20px}
.buybar span{font-size:10px;color:var(--muted)}
.buybar .btn{height:48px}
@media (max-width:760px){.buybar{display:flex}}