/* ===== Fiche produit : déroulé par fonctions ===== */
.f-cta{padding:0 26px}
.f-nav{position:sticky;top:0;z-index:40;background:rgba(247,247,246,.88);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.f-nav-in{display:flex;align-items:center;gap:6px;padding:12px max(40px,4vw);overflow-x:auto;scrollbar-width:none}
.f-nav-in::-webkit-scrollbar{display:none}
.f-nav b{font-weight:700;font-size:14px;margin-right:auto;padding-right:24px;white-space:nowrap}
.f-nav a{height:32px;padding:0 14px;border-radius:999px;font-size:13px;line-height:32px;color:var(--t2);white-space:nowrap;transition:background .2s,color .2s}
.f-nav a:hover{color:var(--ink)}
.f-nav a[aria-current]{background:var(--ink);color:#fff}
.f-man{padding:clamp(90px,10vw,160px) max(40px,4vw) clamp(70px,8vw,120px);display:flex;flex-direction:column;gap:22px;max-width:1100px}
.f-man-t{font-size:clamp(26px,3vw,44px);font-weight:300;line-height:1.16;letter-spacing:-.025em}
.f-man-t span{color:var(--redt)}
.f-sec{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,110px);align-items:center;padding:clamp(80px,9vw,150px) max(40px,4vw);scroll-margin-top:56px}
.f-sec.rev .f-t{order:2}
.f-dark{background:var(--night);color:#f2f2f1}
.f-dark .f-p,.f-dark .f-stats dd,.f-dark .k-fine{color:#a9abae}
.f-dark .f-stats div{border-color:#2a2b2d}
.f-dark .f-h span{color:#ff5a4f}
.f-t{display:flex;flex-direction:column;gap:20px;max-width:540px}
.f-head{display:flex;align-items:center;gap:14px;font-size:13px}
.f-n{font-variant-numeric:tabular-nums;color:var(--grey)}
.f-role{font-weight:700;color:var(--redt);text-transform:uppercase;letter-spacing:.08em;font-size:12px}
.f-dark .f-role{color:#ff5a4f}
.f-h{font-size:clamp(30px,3.4vw,52px);font-weight:400;line-height:1.05;letter-spacing:-.03em}
.f-h span{color:var(--redt)}
.f-p{display:flex;flex-direction:column;gap:12px;font-size:16px;line-height:1.6;color:var(--t2)}
.f-big{font-size:clamp(90px,11vw,180px);font-weight:300;line-height:.85;letter-spacing:-.06em}
.f-big small{font-size:.22em;letter-spacing:-.01em;margin-left:.2em}
.f-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;margin:6px 0 0}
.f-stats div{padding:14px 0;border-top:1px solid var(--line)}
.f-stats dt{font-size:26px;font-weight:400;letter-spacing:-.02em}
.f-stats dd{margin:4px 0 0;font-size:13px;color:var(--t2)}
.f-img{display:flex;align-items:center;justify-content:center;aspect-ratio:1;border-radius:32px;background:var(--panel);overflow:hidden}
.f-dark .f-img{background:#1a1b1d}
.f-img img{max-width:78%;max-height:78%;object-fit:contain;mix-blend-mode:multiply}
.f-dark .f-img img{mix-blend-mode:normal}
.f-img-ph img{max-width:none;max-height:none;width:100%;height:100%;object-fit:cover;mix-blend-mode:normal}
.f-list{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}
.f-list .f-t{grid-column:1/-1;max-width:760px}
.f-ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.f-ol li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;padding:24px 0;border-bottom:1px solid var(--line)}
.f-li-n{width:30px;height:30px;border-radius:50%;box-shadow:inset 0 0 0 1px var(--ink);display:flex;align-items:center;justify-content:center;font-size:13px}
.f-ol b{display:block;font-size:20px;font-weight:400;letter-spacing:-.015em}
.f-ol em{display:block;font-style:normal;font-size:12px;color:var(--redt);margin-top:4px}
.f-ol p{margin-top:8px;font-size:15px;line-height:1.55;color:var(--t2)}
.f-img-s{position:sticky;top:90px}
.f-gal{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:0 max(40px,4vw) clamp(80px,9vw,140px)}
.f-gal-i{aspect-ratio:1;border-radius:24px;background:var(--panel);display:flex;align-items:center;justify-content:center;overflow:hidden}
.f-gal-i img{max-width:80%;max-height:80%;object-fit:contain;mix-blend-mode:multiply}
.f-day{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:clamp(24px,5vw,80px);padding:clamp(80px,9vw,140px) max(40px,4vw)}
.f-day-h{display:flex;flex-direction:column;gap:16px;align-self:start;position:sticky;top:90px}
.f-tl{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.f-tl li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:20px;padding:0 0 40px 28px;position:relative}
.f-tl li::before{content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--red)}
.f-tl-t{font-size:26px;font-weight:300;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.f-tl-t small{display:block;font-size:12px;color:var(--t2);letter-spacing:0;margin-top:2px}
.f-tl b{display:block;font-size:19px;font-weight:400;letter-spacing:-.015em}
.f-tl p{margin-top:8px;font-size:15px;line-height:1.55;color:var(--t2)}
@media (max-width:900px){
  .f-sec,.f-list,.f-day{grid-template-columns:1fr;padding-left:20px;padding-right:20px}
  .f-sec.rev .f-t{order:0}
  .f-nav-in{padding:10px 20px}.f-nav b{display:none}
  .f-man{padding-left:20px;padding-right:20px}
  .f-img-s,.f-day-h{position:static}
  .f-gal{grid-template-columns:repeat(2,minmax(0,1fr));padding:0 20px 80px}
  .f-tl li{grid-template-columns:1fr;gap:6px}
}
.f-sec:not(:has(.f-img)){grid-template-columns:1fr}
.f-sw .f-img{background:var(--panel)}
.f-sw .f-img img{max-width:80%;max-height:80%;object-fit:contain;mix-blend-mode:multiply}
/* chapitres de fonctions, écran qui change */
.c-ch{padding:clamp(80px,9vw,140px) max(40px,4vw) 0;scroll-margin-top:56px}
.c-ch + .c-ch{border-top:1px solid var(--line)}
.c-ch-h{display:flex;flex-direction:column;gap:14px;max-width:760px;margin-bottom:clamp(20px,3vw,40px)}
.c-ch-h .k-h2{font-size:clamp(34px,4.2vw,64px)}
.c-body{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(32px,6vw,110px)}
.c-nodev .c-body{grid-template-columns:minmax(0,1fr)}
.c-nodev .c-fns{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:0 48px}
.c-nodev .c-fn{min-height:0;padding:40px 0;opacity:1}
.c-dev{position:sticky;top:72px;height:calc(100vh - 110px);max-height:820px;display:flex;align-items:center}
.c-dev-in{position:relative;width:100%;aspect-ratio:1;max-height:100%;border-radius:36px;background:var(--panel);overflow:hidden}
.c-scr{position:absolute;inset:8%;width:84%;height:84%;object-fit:contain;opacity:0;transform:scale(.96);transition:opacity .6s var(--ease),transform .8s var(--ease)}
.c-scr.on{opacity:1;transform:none}
.c-fns{display:flex;flex-direction:column}
.c-fn{min-height:72vh;display:flex;flex-direction:column;justify-content:center;gap:18px;max-width:520px;opacity:.28;transition:opacity .5s var(--ease)}
.c-fn.on{opacity:1}
.c-h{font-size:clamp(28px,3vw,46px);font-weight:400;line-height:1.06;letter-spacing:-.03em}
.c-h span{color:var(--redt)}
.c-note{font-size:12px;color:var(--t2);padding:10px 0 0;max-width:640px}
.c-ch:last-of-type{padding-bottom:clamp(80px,9vw,140px)}
@media (max-width:900px){
  .c-ch{padding:72px 20px 0}
  .c-body{grid-template-columns:1fr;gap:0}
  .c-dev{top:52px;height:44vh;z-index:2;background:var(--bg);padding:8px 0}
  .c-dev-in{height:100%;width:auto;margin:0 auto;border-radius:28px}
  .c-fn{min-height:62vh}
}
@media (prefers-reduced-motion:reduce){.c-scr,.c-fn{transition:none}}
/* cartes univers : écrans de montre et coloris qui défilent */
.h-cyc{position:relative}
.h-cyc img{position:absolute;inset:6% 10%;width:80%!important;height:88%!important;object-fit:contain;opacity:0;transform:scale(.97);transition:opacity .7s var(--ease),transform .9s var(--ease)}
.h-cyc img.on{opacity:1;transform:none}
.h-cyc.h-big img{inset:0 4%;width:92%!important;height:100%!important}
.h-cards .k-card-img{flex:1;min-height:0;padding:4px 0}
.h-cards .k-card-img:not(.h-cyc) img{max-height:100%!important;max-width:90%!important;width:auto;height:100%}
.h-cards .h-cyc{flex:1 1 auto;min-height:62%;align-self:stretch}
.k-dark .h-cyc.h-big::before{content:"";position:absolute;left:50%;top:50%;width:78%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16) 0,rgba(255,255,255,.05) 45%,rgba(255,255,255,0) 70%)}
.h-cyc img{max-height:none!important;max-width:none!important}
.k-light .h-cyc img{mix-blend-mode:multiply}
.k-card.k-light:has(.h-big){background:#f5f5f7}
.k-light .h-cyc.h-big img{mix-blend-mode:normal;inset:-8% -6% -4%;width:112%!important;height:112%!important}

/* Cartouche vidéo « bandeau » + cartes transparentes de caractéristiques (réf. Nike Run+, à la charte) */
.k-band{padding-bottom:110px}
.k-band .k-film-v{z-index:1}
.k-band-c{position:relative;z-index:2;display:flex;flex-direction:column;gap:18px;width:min(240px,62vw);margin:-128px 0 0 clamp(20px,6%,90px)}
.k-gl{display:flex;flex-direction:column;gap:2px;padding:18px 18px 14px;border-radius:22px;background:rgba(255,255,255,.52);-webkit-backdrop-filter:blur(18px) saturate(1.3);backdrop-filter:blur(18px) saturate(1.3);border:1px solid rgba(255,255,255,.75);box-shadow:0 18px 40px rgba(0,0,0,.10);color:#000}
.k-gl b{font-size:clamp(22px,1.9vw,28px);font-weight:400;letter-spacing:-.035em;line-height:1.08}
.k-gl-f,.k-gl-h{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:11px;font-weight:700;letter-spacing:.02em}
.k-gl-h{margin:0 0 10px}
.k-gl-f i,.k-gl-h i{width:14px;height:14px;border-radius:50%;border:1.5px solid #000;position:relative}
.k-gl-f i::after,.k-gl-h i::after{content:"";position:absolute;inset:3px;border-radius:50%;background:#E42A20}
.k-gl small{font-size:11px;color:#5F6164}
.k-gl-p b{font-size:15px;font-weight:700;letter-spacing:-.01em;margin-bottom:10px}
.k-gl-ctl{display:flex;align-items:center;justify-content:space-between;padding:0 6px}
.k-gl-ctl svg{width:18px;height:18px;fill:#000;stroke:#000;stroke-width:2;stroke-linejoin:round}
.k-gl-play{width:40px;height:40px;border-radius:50%;border:1.5px solid #000;display:grid;place-items:center}
.k-gl-play svg{width:16px;height:16px;stroke:none}
.k-gl-p em{display:block;height:3px;border-radius:3px;background:rgba(0,0,0,.15);margin:14px 0 6px;overflow:hidden}
.k-gl-p em span{display:block;height:100%;width:38%;background:#000}
@media (max-width:900px){
  .k-band{padding-bottom:70px}
  .k-band-c{flex-direction:row;width:auto;margin:14px 0 0;gap:10px}
  .k-gl{flex:1;padding:14px 12px 10px;border-radius:18px}
  .k-gl b{font-size:18px}
}
@media (prefers-reduced-transparency:reduce){.k-gl{background:#fff;-webkit-backdrop-filter:none;backdrop-filter:none}}