/* ==========================================================
   DURATECFRANCE · products
   Productos: capítulos, carruseles y ficha lateral
   ========================================================== */

/* PRODUCTS */
.prods{padding-block:clamp(48px,7vw,96px)}
.sec-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:clamp(28px,5vw,60px)}
.sec-title h2{font-size:clamp(2rem,4.4vw,3.4rem)}
.sec-title p{max-width:38ch;color:var(--muted);font-size:.95rem}

/* ---- chapitres + rails ---- */
.slide{opacity:0;transform:translateX(-140px);transition:opacity .8s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.slide.in{opacity:1;transform:none}
.impact-num .lab.lslide{clip-path:inset(0 100% 0 0);transition:clip-path 1s cubic-bezier(.2,.7,.2,1) .35s}
.impact-num .titlebox.in~.lab.lslide{clip-path:inset(0 0 -4px 0)}
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.slide.rv{transform:translateX(-140px);transition:opacity .8s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.slide.rv.in{transform:none}
@media(prefers-reduced-motion:reduce){.impact-num .lab.lslide{clip-path:none;transition:none}.slide{opacity:1;transform:none;transition:none}.rv{opacity:1;transform:none;transition:none}}
.chap{margin-bottom:clamp(64px,9vw,120px)}
.chap-hero{min-height:clamp(340px,50vw,560px);margin-bottom:22px}
.chap-hero .block{left:0;right:16%;top:0;bottom:0;background:var(--navy-soft)}
.chap-hero .block.c{left:auto;right:0;width:22%;top:26%;bottom:-12%;background:var(--gold)}
.chap-num{position:absolute;z-index:1;left:4%;top:2%;font-family:var(--f-head);font-weight:800;font-size:clamp(5rem,17vw,13rem);line-height:1;color:rgba(227,166,60,.22)}
.chap-hero .titlebox{position:absolute;left:clamp(12px,4%,56px);bottom:14%;max-width:min(64%,560px)}
.chap-hero .titlebox h3{font-size:clamp(1.5rem,4vw,3rem);line-height:1.05}
.chap-hero .titlebox .cnt{margin-top:8px;font-family:var(--f-mono);font-size:.74rem;color:var(--muted)}
.chap-hero .cp{position:absolute;z-index:2;box-shadow:0 14px 30px rgba(0,0,0,.25)}
.chap-hero .cp0x{right:10%;top:8%;width:30%;aspect-ratio:1}
.chap-hero .cp1{right:34%;top:12%;width:20%;aspect-ratio:1;z-index:1}
.chap-hero .cp2{right:3%;bottom:2%;width:22%;aspect-ratio:1.1}
.rail-nav{position:relative;z-index:4;display:flex;justify-content:flex-end;gap:8px;margin:40px 0 12px}
.rail-nav button{width:44px;height:44px;border:1.5px solid var(--fg);background:transparent;color:var(--fg);font-size:1.2rem;cursor:pointer}
.rail-nav button:hover{background:var(--gold);border-color:var(--gold);color:#0B0C0E}
.rail{display:flex;gap:clamp(14px,2vw,26px);overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 14px 26px 4px;scrollbar-width:thin;scrollbar-color:var(--gold) transparent}
.pcard{flex:0 0 clamp(230px,27vw,330px);scroll-snap-align:start;text-align:left;background:none;border:0;padding:0;color:var(--fg);font:inherit;cursor:pointer;display:flex;flex-direction:column}
.pimg{display:grid;place-items:center;aspect-ratio:4/5;background:var(--tile);padding:20px;overflow:hidden;transition:box-shadow .3s,transform .3s}
.pimg.ph{padding:0}
.pimg img{width:100%;height:100%;object-fit:contain;transition:transform .6s cubic-bezier(.2,.7,.2,1);filter:drop-shadow(0 10px 14px rgba(21,23,28,.18))}
.pimg.ph img{object-fit:cover;filter:none}
.pcard:hover .pimg,.pcard:focus-visible .pimg{box-shadow:10px 10px 0 var(--gold);transform:translate(-5px,-5px)}
.pcard:hover .pimg img{transform:scale(1.07)}
.pcard:focus-visible{outline:3px solid var(--gold);outline-offset:6px}
.pt{font-family:var(--f-head);font-weight:700;font-size:1.05rem;line-height:1.2;margin-top:16px}
.go{font-family:var(--f-mono);font-size:.74rem;color:var(--gold);margin-top:8px}
.chap-intro{max-width:78ch;margin:0 0 8px}
.chap-intro h4{font-size:clamp(1.3rem,2.6vw,1.9rem);margin-bottom:12px}
.chap-intro p{margin-bottom:10px;color:var(--muted)}
.chap-intro .note{--fg:#0B0C0E;background:var(--beige);color:#0B0C0E;border-left:4px solid var(--gold);padding:14px 18px;margin-top:14px}
.chap-intro .note p{color:#0B0C0E;font-style:italic}
.sheet{position:fixed;inset:0;z-index:100}
.sheet[hidden]{display:none}
.sp-back{position:absolute;inset:0;background:rgba(0,0,0,.72);opacity:0;transition:opacity .26s}
.sp-panel{position:absolute;top:0;right:0;bottom:0;width:min(580px,100%);background:var(--paper);color:var(--fg);overflow:auto;transform:translateX(100%);transition:transform .32s cubic-bezier(.2,.7,.2,1);padding:56px max(16px,env(safe-area-inset-right)) 40px 28px;border-left:8px solid var(--gold)}
.sheet.open .sp-back{opacity:1}.sheet.open .sp-panel{transform:none}
.sp-x{position:absolute;top:10px;right:12px;width:44px;height:44px;border:0;background:#000;color:#fff;font-size:1.6rem;cursor:pointer}
.sp-kicker{font-family:var(--f-mono);font-size:.74rem;color:var(--copper);margin-bottom:14px;text-transform:uppercase}
.sp-gal{display:grid;gap:8px;margin-bottom:22px}
.sp-gal.n2,.sp-gal.n3{grid-template-columns:1fr 1fr}
.sp-gal.n3 .fg:first-child{grid-column:1/3}
.sp-gal .plate{min-height:170px}
.sp-gal .fg{margin:0;display:flex;flex-direction:column}.sp-gal .fg .plate{flex:1}
.sp-gal figcaption{font-family:var(--f-mono);font-size:.72rem;line-height:1.5;background:var(--band);border-left:4px solid var(--gold);padding:8px 10px}
.sp-gal.n1 .plate{min-height:280px}
body.lock{overflow:hidden}
@media(max-width:820px){
 .chap-hero{min-height:360px}
 .chap-hero .titlebox{max-width:84%;bottom:8%}
 .chap-hero .cp0x{width:40%;top:4%;right:6%}.chap-hero .cp1{width:26%;right:42%;top:8%}.chap-hero .cp2{width:30%;right:2%;bottom:30%}
 .rail-nav{display:none}
 .sp-panel{padding-left:16px}
}
.sp-gal .lw{position:relative;display:block;width:100%}
.sp-gal .lw img{display:block;width:100%;height:auto}
.lab{position:absolute;transform:translate(-50%,-50%);background:#0B0C0E;color:#fff;font-family:var(--f-mono);font-weight:700;font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;padding:5px 10px;border-bottom:3px solid var(--gold);white-space:nowrap;pointer-events:none}
.spec>div+div{margin-top:4px}