/* =========================================================
   TATEA — S02 « les 4 manques » : 4 pistes de mise en page (pilotées par le défilement)
   A la pellicule · B les cartes empilées · C les volets · D le compteur
   ========================================================= */
[data-s02] .why__list { display: none; }
.alt { --alth: clamp(340px, 56vh, 560px); position: relative; }
.alt button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-align: left; }
.alt img { display: block; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); }
.alt, .alt * { will-change: auto; }
/* entrée de la piste, comme les lignes */
.alt { opacity: 0; transform: translateY(16px); transition: opacity .45s .1s, transform .6s var(--ease) .1s; }
.is-why .alt { opacity: 1; transform: none; }

/* sélecteur des pistes */
.pistes { position: fixed; z-index: 50; left: 50%; bottom: 16px; translate: -50% 0; display: flex; gap: 4px; padding: 5px; border-radius: 999px; background: var(--night); box-shadow: 0 8px 30px rgb(11 22 38 / .25); }
.pistes a { padding: 8px 14px; border-radius: 999px; font-size: 13px; font-weight: 500; color: #c9d0dc; text-decoration: none; white-space: nowrap; }
.pistes a[aria-current="page"] { background: var(--gold); color: var(--ink); }

/* ---------- A : la pellicule ---------- */
.alt--a { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .82fr); gap: clamp(20px, 3vw, 44px); height: var(--alth); }
.alt--a .alt__list { position: relative; display: grid; grid-auto-rows: 1fr; padding-left: 22px; }
.alt--a .alt__rail { position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: rgb(22 33 61 / .12); }
.alt--a .alt__rail i { position: absolute; inset: 0; background: var(--gold); transform-origin: top; transform: scaleY(.25); }
.alt--a .alt__it { display: flex; align-items: center; gap: 18px; border-bottom: 1px solid rgb(22 33 61 / .12); color: var(--ink); }
.alt--a .alt__it:last-child { border-bottom: 0; }
.alt--a .alt__n { font-size: 13px; font-weight: 600; letter-spacing: .1em; color: rgb(22 33 61 / .5); transition: color .3s; }
.alt--a .alt__it.is-on .alt__n { color: var(--gold); }
.alt--a .alt__tx { display: grid; gap: 4px; }
.alt--a .alt__tx b { font-size: clamp(22px, 2vw, 30px); font-weight: 500; line-height: 1.05; transform: translateX(calc(var(--p, 0) * 10px)); }
.alt--a .alt__tx small { font-size: clamp(13px, .95vw, 15px); color: #5d667a; }
.alt--a .alt__win { position: relative; overflow: hidden; border-radius: 4px; background: var(--night); }
.alt--a .alt__reel { position: absolute; inset: 0; height: calc(100% * 4); will-change: transform; }
.alt--a .alt__fr { position: relative; margin: 0; height: 25%; }
.alt--a .alt__big { position: absolute; left: 18px; bottom: 6px; font-size: clamp(64px, 7vw, 110px); font-weight: 600; line-height: 1; letter-spacing: -.04em; color: #fff; }
.alt--a .alt__fr::after { content: ""; position: absolute; inset: 50% 0 0; background: linear-gradient(transparent, rgb(11 22 38 / .55)); }
.alt--a .alt__big { z-index: 1; }

/* ---------- B : les cartes empilées ---------- */
.alt--b { display: grid; gap: 14px; }
.alt--b .alt__stack { position: relative; height: calc(var(--alth) - 40px); overflow: hidden; border-radius: 6px; padding-top: 4%; }
.alt--b .alt__card { position: absolute; inset: 4% 0 0; margin: 0; overflow: hidden; border-radius: 6px; background: var(--night); transform-origin: 50% 0; will-change: transform; box-shadow: 0 -10px 30px rgb(11 22 38 / .18); }
.alt--b .alt__card img { position: absolute; inset: 0; }
.alt--b .alt__card::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgb(11 22 38 / .92)); }
.alt--b .alt__cap { position: absolute; z-index: 1; left: clamp(18px, 2vw, 30px); right: clamp(18px, 2vw, 30px); bottom: clamp(16px, 2vw, 28px); display: grid; gap: 6px; color: #fff; }
.alt--b .alt__cap .alt__n { font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--gold-strong); }
.alt--b .alt__cap b { font-size: clamp(26px, 2.6vw, 40px); font-weight: 500; line-height: 1.02; }
.alt--b .alt__cap small { font-size: clamp(14px, 1vw, 16px); color: rgb(255 255 255 / .8); }
.alt--b .alt__foot { display: flex; align-items: center; justify-content: space-between; }
.alt--b .alt__count { margin: 0; display: flex; align-items: baseline; gap: 8px; color: rgb(22 33 61 / .5); font-size: 14px; }
.alt--b .alt__count b { font-size: 26px; font-weight: 600; color: var(--ink); }
.alt--b .alt__dots { display: flex; gap: 8px; }
.alt--b .alt__dots button { width: 34px; height: 4px; border-radius: 4px; background: rgb(22 33 61 / .16); transition: background-color .3s; }
.alt--b .alt__dots button.is-on { background: var(--gold); }

/* ---------- C : les volets ---------- */
.alt--c .alt__vol { display: flex; gap: 8px; height: var(--alth); }
.alt--c .alt__p { position: relative; flex: 1 1 0; min-width: 0; overflow: hidden; border-radius: 6px; background: var(--night); color: #fff; }
.alt--c .alt__p img { position: absolute; inset: 0; filter: none; opacity: calc(.35 + .65 * var(--o, 0)); } /* photos en couleur */
.alt--c .alt__p::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 30%, rgb(11 22 38 / .9)); }
/* volet fermé : petit numéro au-dessus du titre vertical ; volet ouvert : grand numéro au-dessus du titre */
.alt--c .alt__pn { position: absolute; z-index: 1; top: 18px; left: 50%; translate: -50% 0; font-size: 15px; font-weight: 600; letter-spacing: .06em; color: var(--gold-strong); opacity: var(--v, 1); }
.alt--c .alt__pbig { display: block; margin-bottom: 2px; font-size: clamp(64px, 6.4vw, 104px); font-weight: 600; line-height: .9; letter-spacing: -.04em; color: var(--gold-strong); }
.alt--c .alt__pv { position: absolute; z-index: 1; left: 50%; bottom: 20px; writing-mode: vertical-rl; rotate: 180deg; translate: -50% 0; font-size: clamp(17px, 1.4vw, 22px); font-weight: 500; white-space: nowrap; opacity: var(--v, 1); }
.alt--c .alt__pc { position: absolute; z-index: 1; left: 24px; right: 24px; bottom: 22px; display: grid; gap: 6px; opacity: var(--o, 0); transform: translateY(calc((1 - var(--o, 0)) * 16px)); min-width: 240px; }
.alt--c .alt__pc b { font-size: clamp(26px, 2.5vw, 38px); font-weight: 500; line-height: 1.02; }
.alt--c .alt__pc small { font-size: clamp(14px, 1vw, 16px); color: rgb(255 255 255 / .8); }

/* ---------- D : le compteur ---------- */
.alt--d { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(20px, 3vw, 48px); align-items: end; height: var(--alth); }
.alt--d .alt__cl { display: grid; align-content: center; gap: clamp(14px, 2.4vh, 26px); align-self: stretch; }
.alt--d .alt__bars { display: flex; gap: 8px; }
.alt--d .alt__bars button { flex: 1; height: 26px; display: flex; align-items: center; }
.alt--d .alt__bars button::before { content: ""; position: absolute; }
.alt--d .alt__bars button { position: relative; }
.alt--d .alt__bars button { background: linear-gradient(rgb(22 33 61 / .14), rgb(22 33 61 / .14)) center / 100% 4px no-repeat; }
.alt--d .alt__bars i { display: block; width: 100%; height: 4px; background: var(--gold); transform-origin: left; transform: scaleX(0); }
.alt--d .alt__head { display: grid; gap: 4px; }
.alt--d .alt__num, .alt--d .alt__ttl { position: relative; overflow: hidden; }
.alt--d .alt__num { height: clamp(84px, 11vw, 150px); }
.alt--d .alt__ttl { height: calc(clamp(24px, 2.3vw, 36px) * 1.15); }
.alt--d .alt__col { display: grid; will-change: transform; }
.alt--d .alt__num span { height: clamp(84px, 11vw, 150px); font-size: clamp(84px, 11vw, 150px); font-weight: 600; line-height: 1; letter-spacing: -.05em; color: var(--gold); }
.alt--d .alt__ttl span { height: calc(clamp(24px, 2.3vw, 36px) * 1.15); font-size: clamp(24px, 2.3vw, 36px); font-weight: 500; line-height: 1.15; color: var(--ink); white-space: nowrap; }
.alt--d .alt__descs { position: relative; height: 3em; }
.alt--d .alt__descs p { position: absolute; inset: 0; margin: 0; font-size: clamp(15px, 1.15vw, 18px); color: #5d667a; }
.alt--d .alt__arch { position: relative; height: 100%; overflow: hidden; border-radius: 999px 999px 0 0; background: var(--night); }
.alt--d .alt__arch img { position: absolute; inset: 0; opacity: 0; }

/* ---------- téléphone et tablette (titre au-dessus, piste dessous) ---------- */
@media (max-width: 899px) {
  .alt { --alth: min(50svh, 440px); }
  .alt--a { grid-template-columns: minmax(0, 1fr) 38%; gap: 14px; }
  .alt--a .alt__list { padding-left: 14px; }
  .alt--a .alt__it { gap: 10px; }
  .alt--a .alt__tx b { font-size: 17px; }
  .alt--a .alt__tx small { font-size: 12px; }
  .alt--a .alt__big { font-size: 54px; left: 10px; }
  .alt--b .alt__cap b { font-size: 24px; }
  .alt--c .alt__vol { flex-direction: column; gap: 6px; }
  .alt--c .alt__pv { writing-mode: horizontal-tb; rotate: none; left: 52px; top: 50%; bottom: auto; translate: 0 -50%; font-size: 16px; }
  .alt--c .alt__pn { left: 24px; top: 50%; translate: -50% -50%; }
  .alt--c .alt__pc { left: 16px; right: 16px; bottom: 14px; min-width: 0; }
  .alt--c .alt__pc b { font-size: 22px; }
  .alt--c .alt__pbig { font-size: 44px; }
  .alt--d { grid-template-columns: minmax(0, 1fr) 36%; gap: 16px; }
  .alt--d .alt__num, .alt--d .alt__num span { height: 72px; font-size: 72px; }
  .alt--d .alt__ttl, .alt--d .alt__ttl span { height: 26px; font-size: 21px; }
  .alt--d .alt__ttl span { font-size: 19px; }
  .alt--d .alt__descs { height: 4.4em; }
  .alt--d .alt__descs p { font-size: 14px; }
}
@media (max-width: 899px) and (max-height: 720px) {
  .alt { --alth: min(46svh, 300px); }
}

/* 2026-10-21 : volets ouverts au survol (plus de défilement pas-à-pas) → transitions */
.alt--c .alt__p { transition: flex-grow .65s var(--ease); }
.alt--c .alt__p:not([aria-expanded="true"]) { cursor: pointer; }
.alt--c .alt__p img { transition: opacity .5s; }
.alt--c .alt__pn, .alt--c .alt__pv { transition: opacity .3s; }
.alt--c .alt__pc { transition: opacity .35s, transform .6s var(--ease); }
.alt--c .alt__p[aria-expanded="true"] .alt__pc { transition: opacity .5s .3s, transform .6s var(--ease) .3s; }
@media (prefers-reduced-motion: reduce) { .alt--c .alt__p, .alt--c .alt__p * { transition: none !important; } }