/* Effets et finitions partagés par toutes les pages. Se charge après theme-noir.css. */
:root { --expo: cubic-bezier(.19, 1, .22, 1); }
html.fx-lisse { scroll-behavior: auto; }
html.fx-attend, html.fx-attend body { overflow: hidden; }

/* Grain photographique très léger : il casse l'aplat numérique du noir */
body::after { content: ''; position: fixed; inset: 0; z-index: 80; pointer-events: none; opacity: .055; mix-blend-mode: overlay; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* Progression de lecture */
.fx-progres { position: fixed; left: 0; top: 0; z-index: 96; width: 100%; height: 2px; background: var(--red); transform: scaleX(0); transform-origin: left; pointer-events: none; }

/* L'en-tête s'efface quand on descend et revient dès qu'on remonte */
.nav { transition: transform .5s var(--expo), background-color .4s var(--ease), border-color .4s var(--ease); }
.nav.est-cachee { transform: translateY(-101%); }
.nav__links a { position: relative; }
.nav__links a::after { content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: var(--red-hi); transform: scaleX(0); transform-origin: right; transition: transform .45s var(--expo); }
@media (hover: hover) and (pointer: fine) { .nav__links a:hover { color: #fff; } .nav__links a:hover::after { transform: scaleX(1); transform-origin: left; } }

/* Titres révélés mot par mot */
.mot { display: inline-block; overflow: hidden; vertical-align: bottom; padding: .08em .06em .16em 0; margin: -.08em -.06em -.16em 0; }
.mot__in { display: inline-block; transform: translate3d(0, 115%, 0) rotate(4deg); transform-origin: left bottom; transition: transform 1.05s var(--expo); transition-delay: calc(var(--i) * 42ms); will-change: transform; }
.est-vu .mot__in { transform: none; }
.fx-monte { opacity: 0; transform: translate3d(0, 34px, 0); transition: opacity .9s var(--expo), transform 1.1s var(--expo); transition-delay: calc(var(--r, 0) * 70ms); }
.fx-monte.est-vu { opacity: 1; transform: none; }
/* quand un élément sert de lien, son propre retour au clic ne doit pas attendre le retard d'apparition */
.fx-monte.est-vu:active { transition-delay: 0s; }
.reveal { transition: opacity 1s var(--expo), transform 1.2s var(--expo); }

/* Curseur : un point qui devient anneau sur ce qui se clique, pastille quand il a quelque chose à dire */
.fx-curseur { position: fixed; left: 0; top: 0; z-index: 99; width: 0; height: 0; pointer-events: none; opacity: 0; transition: opacity .3s; }
.fx-curseur.est-la { opacity: 1; }
.fx-curseur::before { content: ''; position: absolute; left: -5px; top: -5px; width: 10px; height: 10px; border-radius: 50%; background: var(--red-hi); transition: transform .45s var(--expo), background-color .3s, opacity .3s; }
.fx-curseur.est-actif::before { transform: scale(4.6); background: rgba(240, 40, 26, .18); box-shadow: inset 0 0 0 .22px var(--red-hi); }
.fx-curseur.est-fin::before { transform: scale(.4); }
.fx-curseur.est-appuye::before { transform: scale(2.6); }
.fx-curseur span { position: absolute; left: 0; top: 0; padding: 0 16px; height: 34px; border-radius: 999px; background: var(--red); color: #fff; display: grid; place-items: center; font: 500 12px var(--sans); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; transform: translate(-50%, -50%) scale(.2); opacity: 0; transition: transform .5s var(--expo), opacity .25s; }
.fx-curseur.est-texte span { transform: translate(-50%, -50%) scale(1); opacity: 1; }
.fx-curseur.est-texte::before { opacity: 0; }

/* Boutons aimantés */
.fx-aimant { transform: translate3d(var(--mx, 0px), var(--my, 0px), 0); transition: transform .5s var(--expo), background-color .25s var(--ease), box-shadow .25s var(--ease); }
.fx-aimant:active { transform: translate3d(var(--mx, 0px), var(--my, 0px), 0) scale(.96); }

/* Rideau entre les pages */
.fx-rideau { position: fixed; inset: 0; z-index: 98; pointer-events: none; background: #050505; clip-path: inset(0 0 100% 0); }
.fx-rideau i { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--red); }
.fx-rideau.est-ferme { clip-path: inset(0 0 0 0); }
.fx-rideau.s-ouvre { clip-path: inset(0 0 100% 0); transition: clip-path .85s var(--expo); }
.fx-rideau.se-ferme { clip-path: inset(0 0 0 0); transition: clip-path .5s cubic-bezier(.77, 0, .175, 1); animation: none; }
.fx-rideau.se-ferme { clip-path: inset(0 0 0 0); }
.fx-rideau:not(.est-ferme):not(.se-ferme):not(.s-ouvre) { clip-path: inset(100% 0 0 0); }

/* Préchargement de l'accueil */
.precharge { position: fixed; inset: 0; z-index: 97; background: #050505; color: #fff; display: grid; grid-template-rows: 1fr auto; padding: clamp(20px, 4vw, 48px); clip-path: inset(0 0 0 0); transition: clip-path 1.1s var(--expo) .15s; }
.precharge.s-en-va { clip-path: inset(0 0 100% 0); }
.precharge__logo { align-self: center; justify-self: center; width: min(62vw, 520px); height: auto; opacity: 0; transform: translateY(14px); animation: prechargeLogo .9s var(--expo) .1s forwards; }
@keyframes prechargeLogo { to { opacity: 1; transform: none; } }
.precharge.s-en-va .precharge__logo, .precharge.s-en-va .precharge__bas { opacity: 0; transform: translateY(-24px); transition: opacity .4s, transform .6s var(--expo); animation: none; }
.precharge__bas { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.precharge__bas p { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255, 255, 255, .6); }
.precharge__compte { font: 400 clamp(72px, 14vw, 200px)/.8 var(--serif); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.precharge::after { content: ''; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--red); transform: scaleX(var(--p, 0)); transform-origin: left; }
/* les éléments de la bannière attendent la levée du rideau */
html.fx:not(.fx-pret) .entree__texte--avant .mot__in { transform: translate3d(0, 115%, 0) rotate(4deg); }
html.fx .entree__titre[data-mots].est-vu .mot__in { transition-delay: calc(var(--i) * 60ms + 350ms); }
html.fx .entree__texte--avant .eyebrow, html.fx .entree__actions, html.fx .entree__indice { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--expo) .9s, transform 1.1s var(--expo) .9s; }
html.fx.fx-pret .entree__texte--avant .eyebrow, html.fx.fx-pret .entree__actions, html.fx.fx-pret .entree__indice { opacity: 1; transform: none; }
html.fx.fx-pret .entree__indice { transition-delay: 1.15s; }

/* Bannière : la fente de lumière au passage du plastique */
.entree__fente { position: absolute; top: -10%; bottom: -10%; left: 50%; width: 34vw; margin-left: -17vw; pointer-events: none; opacity: 0; background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .9) 34%, #fff 50%, rgba(255, 255, 255, .9) 66%, rgba(255, 255, 255, 0) 100%); filter: blur(6px); will-change: transform, opacity; }
.entree__titre--grand { letter-spacing: -.03em; }
.entree__repere { position: absolute; right: max(24px, calc((100vw - 1200px) / 2 + 24px)); top: 50%; display: flex; flex-direction: column; align-items: center; gap: 10px; transform: translateY(-50%); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255, 255, 255, .7); writing-mode: vertical-rl; }
.entree__repere i { display: block; width: 1px; height: 96px; background: rgba(255, 255, 255, .25); overflow: hidden; position: relative; }
.entree__repere i::after { content: ''; position: absolute; inset: 0; background: #fff; transform: scaleY(var(--p, 0)); transform-origin: top; }

/* Manifeste */
.manifeste { padding: clamp(110px, 17vw, 240px) 0; }
.manifeste__texte { max-width: 21ch; font: 400 clamp(38px, 6.2vw, 104px)/1.03 var(--serif); letter-spacing: -.02em; }
.manifeste__texte em { font-style: italic; color: var(--red-hi); }
.manifeste__mot { opacity: .14; transition: opacity .3s linear; }
.manifeste__pied { margin-top: clamp(36px, 5vw, 72px); display: flex; flex-wrap: wrap; gap: 14px 40px; align-items: center; justify-content: space-between; padding-top: 28px; border-top: 1px solid var(--hair); font-size: 14px; color: var(--muted); }

/* Services : la liste prend toute la largeur, l'image flotte près de la souris */
.svc__grille { grid-template-columns: minmax(0, 1fr); }
.svc__nom { font-size: clamp(34px, 5vw, 78px); letter-spacing: -.02em; transition: transform .6s var(--expo), color .3s; }
.svc__liste a { grid-template-columns: 64px minmax(0, 1fr) minmax(0, 300px) auto; grid-template-areas: "num nom desc fleche"; align-items: center; padding: 30px 0; }
.svc__desc { margin: 0; text-align: right; }
.svc__liste a.est-actif .svc__nom { transform: translateX(14px); }
.svc__visuel.est-flottante { position: fixed; left: 0; top: 0; z-index: 60; width: clamp(240px, 23vw, 340px); aspect-ratio: 4 / 5; pointer-events: none; opacity: 0; transition: opacity .35s var(--ease); box-shadow: 0 40px 90px -30px rgba(0, 0, 0, .9); }
.svc__visuel.est-flottante.est-la { opacity: 1; }

/* Galerie horizontale des réalisations */
.real__colle { display: block; }
.real.est-defile { padding: 0; }
.real.est-defile .real__colle { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; justify-content: center; gap: 44px; overflow: hidden; }
.real.est-defile .real__piste { overflow: visible; margin: 0; padding-bottom: 0; cursor: default; scroll-snap-type: none; will-change: transform; }
.real.est-defile .real__photo { width: auto; height: min(56vh, 560px); aspect-ratio: 4 / 3; }
.real.est-defile .real__photo:nth-child(3n+2) { aspect-ratio: 3 / 4; }
.real.est-defile .real__photo:nth-child(4n) { margin-top: 5vh; }
.real__suivi { display: none; align-items: center; gap: 18px; font-size: 12px; letter-spacing: .18em; color: var(--muted); }
.real.est-defile .real__suivi { display: flex; }
.real__suivi b { font: 400 30px/1 var(--serif); letter-spacing: 0; color: var(--text); }
.real__suivi i { flex: 1; height: 1px; background: var(--hair-2); position: relative; overflow: hidden; }
.real__suivi i s { position: absolute; inset: 0; background: var(--red); transform: scaleX(0); transform-origin: left; }
.real__fin { flex: none; display: grid; place-items: center; align-content: center; gap: 14px; width: min(74vw, 460px); padding: 0 40px; text-align: center; }
.real__fin b { font: 400 clamp(32px, 3.6vw, 54px)/1 var(--serif); }

/* Méthode : la ligne se trace quand la section arrive */
.how__grid { position: relative; }
.how__grid::before { content: ''; position: absolute; left: 0; top: -1px; height: 1px; width: 100%; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform 1.6s var(--expo) .2s; }
.how__grid:has(.est-vu)::before { transform: scaleX(1); }

/* Appel final et pied de page monumental */
.footer { padding-bottom: 0; overflow: hidden; }
.footer__geant { margin: 64px 0 -1.2vw; padding: 0 24px; font: 400 clamp(64px, 17.5vw, 330px)/.82 var(--serif); letter-spacing: -.04em; white-space: nowrap; text-align: center; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .2); user-select: none; }
.footer__geant em { font-style: italic; -webkit-text-stroke: 1px rgba(212, 0, 0, .75); }
.footer__bottom { border-top: 0; }

/* Pages intérieures : le titre monte, l'image se dévoile */
.pg__image { clip-path: inset(100% 0 0 0); transform: scale(1.08); transition: clip-path 1.3s var(--expo) .35s, transform 1.8s var(--expo) .35s; }
html.fx-pret .pg__image, html:not(.fx) .pg__image { clip-path: inset(0 0 0 0); transform: none; }
.pg__tete h1 { max-width: 18ch; }

@media (max-width: 1080px) {
  .svc__liste a { grid-template-columns: 46px minmax(0, 1fr) auto; grid-template-areas: "num nom fleche" ". desc fleche"; align-items: baseline; }
  .svc__desc { text-align: left; margin-top: 8px; }
  .entree__repere { display: none; }
}
@media (max-width: 767px) {
  .manifeste__texte { font-size: clamp(34px, 10.5vw, 54px); }
  .footer__geant { -webkit-text-stroke-width: .6px; }
}
@media (prefers-reduced-motion: reduce) {
  .mot__in, .fx-monte, .pg__image { transform: none !important; opacity: 1 !important; clip-path: none !important; transition: none !important; }
  .manifeste__mot { opacity: 1 !important; }
  body::after { display: none; }
}

/* Retouches après revue à l'écran */
.preuves span { font-size: 14.5px; line-height: 1.5; max-width: 22ch; }
.preuves__grille div { padding-top: 56px; padding-bottom: 56px; }
.real .tete--ligne { align-items: flex-end; }
.real.est-defile .tete h2 { font-size: clamp(38px, 4.6vw, 68px); }
.sim__panel, .ai__panel { border-radius: 16px; background: #0d0d0d; }
.ai__card, .stains { border-radius: 12px; }
.sim__viewer, .ai__stage { border-radius: 10px; }
.rx { border-radius: 12px; }
.bar { border-radius: 10px; }
.faq__list details { border-radius: 0; background: none; border: 0; border-bottom: 1px solid var(--hair); }
.faq__list details[open] { border-color: var(--hair-2); }
.faq__list { gap: 0; border-top: 1px solid var(--hair); }
.faq__list summary { padding: 26px 0; font: 400 clamp(21px, 2vw, 28px)/1.2 var(--serif); }
.faq__list details p { padding: 0 0 26px; max-width: 62ch; font-size: 15.5px; line-height: 1.7; }
.final__box { border-radius: 20px; }
.card.quote { border-radius: 14px; }
@media (max-width: 767px) {
  .precharge__logo { width: 78vw; }
  .preuves__grille div { padding-top: 30px; padding-bottom: 30px; }
  .footer__geant { margin-top: 40px; }
}

/* Le rideau d'entrée s'ouvre par une animation, sans attendre le script : il ne peut pas rester fermé */
@keyframes fx-rideau-ouvre { from { clip-path: inset(0 0 0 0); } to { clip-path: inset(0 0 100% 0); } }
.fx-rideau.est-ferme:not(.se-ferme) { animation: fx-rideau-ouvre .85s var(--expo) both; }