/* SKYARTPIC draft — styles partages, construits sur des jetons.
   Regle de construction : chaque propriete d'un element est posee par une seule regle.
   Les contextes (.light, .center, .marquee...) et les media queries ne changent que des jetons.
   Codes d'effet entre parentheses : voir apple-effets.md. */

:root {
  /* Couleurs, contexte sombre */
  --bg: #000;
  --ink: #f5f5f7;
  --ink-soft: #d2d2d7;
  --muted: #86868b;
  --link: #2997ff;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --tile: #161617;
  --sheet: #1d1d1f;
  --surface: #fff;
  --hairline: #333336;
  --slot-bg: linear-gradient(160deg, #1d1d1f, #101011);
  --slot-ink: #48484a;
  --fill-line: rgba(134, 134, 139, 0.55);
  --bar-bg: linear-gradient(90deg, #6ec3ff, #a48cff);
  /* Matieres (verre) */
  --glass: rgba(42, 42, 45, 0.72);
  --glass-hover: rgba(66, 66, 69, 0.8);
  --glass-dark: rgba(0, 0, 0, 0.5);
  --glass-gnav: rgba(22, 22, 23, 0.8);
  --glass-lnav: rgba(0, 0, 0, 0.72);
  --glass-menu: rgba(0, 0, 0, 0.86);
  --glass-filter: saturate(180%) blur(20px);
  --glass-blur: blur(20px);
  /* Boutons ronds */
  --round-size: 36px;
  --round-bg: #333336;
  --round-bg-hover: #424245;
  --round-filter: none;
  --media-btn-block: auto 20px;
  --media-btn-inline: auto 20px;
  /* Pilule */
  --pill-h: 44px;
  --pill-x: 22px;
  --pill-fs: 17px;
  --pill-ls: -0.022em;
  /* Polices et courbe */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 14'%3E%3Cpath d='M1.5 1.5 6.5 7l-5 5.5' fill='none' stroke='black' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  /* Ecriture : multiplicateurs d'interlettrage et d'interligne, sens de lecture (le contexte persan les change) */
  --track: 1;
  --lead: 1;
  --start: left;
  --end: right;
  --flip: 1;
  /* Choix de la langue */
  --lang-fs: 12px;
  --lang-top: 0px;
  /* Echelle typographique : tracking propre a chaque taille */
  --fs-super: 96px; --lh-super: 1.04167; --ls-super: -0.015em;
  --fs-xxl: 80px; --lh-xxl: 1.05; --ls-xxl: -0.015em;
  --fs-xl: 56px; --lh-xl: 1.07; --ls-xl: -0.005em;
  --fs-l: 40px; --lh-l: 1.1;
  --fs-eyebrow: 21px;
  --fs-copy: 21px; --lh-copy: 1.38;
  --fs-stat: 64px;
  /* Mise en page */
  --gutter: max(22px, env(safe-area-inset-left), env(safe-area-inset-right));
  --wide: min(1260px, calc(100% - 2 * var(--gutter)));
  --text: min(980px, calc(100% - 2 * var(--gutter)));
  --section-pad: clamp(88px, 12vw, 160px);
  --justify: flex-start;
  --inline: 0;
  --media-pos: relative;
  --gnav-display: block;
  --menu-btn-display: none;
  --callout-fs: 14px;
  --callout-pad: 8px 14px;
  --marquee-min: min(calc(100svh - 144px), 960px);
  --marquee-media-pos: absolute;
  --marquee-media-ratio: auto;
  --marquee-copy-top: 120px;
  --marquee-dir: row;
  --marquee-align: flex-end;
  --side-align: flex-end;
  --side-text: end;
  --hl-w: min(1000px, 82vw);
  --hl-ratio: 16 / 9;
  --track-pad: calc((100% - var(--text)) / 2);
  --track-snap: calc((100% - var(--text)) / 2);
  --track-pad-block: 0;
  --cols-3: repeat(3, 1fr);
  --dir-cols: repeat(6, 1fr);
  --dir-sum-pad: 0;
  --dir-sum-line: 0px;
  --dir-sum-mb: 10px;
  --dir-sum-cursor: default;
  --dir-chev: none;
  --dir-ul-mb: 24px;
  --dir-ul-pad: 0;
  --gfoot-end-cols: auto 1fr auto;
  --gfoot-more-top: 4px;
  --converge-cols: 1fr 1fr;
  --bio-cols: 5fr 7fr;
  --ptiles-cols: repeat(3, 1fr);
  --ptiles-max: none;
  --look-ratio: 2.39 / 1;
  --cmp-cols: 1fr 2fr;
  --cmp-gap: 24px;
  --select-min: 280px;
  --select-w: auto;
  --form-cols: 1fr 1fr;
  --field-bg: #1d1d1f;
  --field-line: #424245;
  --danger: #ff6961;
  /* Mouvement */
  --rise: 30px;
  --rise-sm: 24px;
  --rise-xs: 12px;
  --hl-off-scale: 0.94;
  --hl-off-op: 0.5;
  --scrub-h: 320vh;
  --mask-h: calc(100svh - 52px + 1500px);
  --mask-overlap: -500px;
  --stage-pos: sticky;
  --stage-top: 52px;
  --anim-menu: rise-in 480ms var(--ease) both;
  --anim-sheet: sheet-in 520ms var(--ease);
  --anim-grad: grad-sweep 2.6s var(--ease) 0.3s both;
}

@media (max-width: 1068px) {
  :root {
    --fs-super: 80px; --lh-super: 1.05;
    --fs-xxl: 64px; --lh-xxl: 1.0625;
    --fs-xl: 48px; --lh-xl: 1.08;
    --fs-stat: 48px;
    --ptiles-cols: 1fr; --ptiles-max: 560px;
    --dir-cols: repeat(3, 1fr);
  }
}
@media (max-width: 833px) {
  :root { --gnav-display: none; --menu-btn-display: grid; }
}
@media (max-width: 734px) {
  :root {
    --section-pad: 72px;
    --fs-super: 56px; --lh-super: 1.07; --ls-super: -0.005em;
    --fs-xxl: 48px; --lh-xxl: 1.08; --ls-xxl: -0.003em;
    --fs-xl: 40px; --lh-xl: 1.1; --ls-xl: 0em;
    --fs-l: 32px; --lh-l: 1.125;
    --fs-eyebrow: 19px;
    --fs-copy: 19px; --lh-copy: 1.42;
    --callout-fs: 11px; --callout-pad: 5px 9px;
    --marquee-min: 0; --marquee-media-pos: relative; --marquee-media-ratio: 1 / 1; --marquee-copy-top: 28px;
    --marquee-dir: column; --marquee-align: flex-start; --side-align: flex-start; --side-text: start;
    --hl-w: 86vw; --hl-ratio: 4 / 5;
    --cols-3: 1fr; --converge-cols: 1fr; --bio-cols: 1fr;
    --look-ratio: 4 / 5;
    --cmp-cols: 1fr; --cmp-gap: 6px;
    --select-min: 0; --select-w: 100%;
    --form-cols: 1fr;
    --dir-cols: 1fr; --dir-sum-pad: 12px 0; --dir-sum-line: 1px; --dir-sum-mb: 0; --dir-sum-cursor: pointer; --dir-chev: block;
    --dir-ul-mb: 0; --dir-ul-pad: 4px 0 14px; --gfoot-end-cols: 1fr; --gfoot-more-top: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  :root {
    --rise: 0px; --rise-sm: 0px; --rise-xs: 0px;
    --hl-off-scale: 1; --hl-off-op: 1;
    --scrub-h: auto; --mask-h: auto; --mask-overlap: 0px; --stage-pos: relative; --stage-top: 0;
    --anim-menu: none; --anim-sheet: none; --anim-grad: none;
  }
}
@media (prefers-reduced-transparency: reduce) {
  :root {
    --glass: #1d1d1f; --glass-hover: #333336; --glass-dark: #1d1d1f;
    --glass-gnav: #1d1d1f; --glass-lnav: #1d1d1f; --glass-menu: #1d1d1f;
    --glass-filter: none; --glass-blur: none;
  }
}

/* Contextes : ils ne posent que des jetons (et le fond / la couleur de leur propre element) */
.light {
  --ink: #1d1d1f; --muted: #6e6e73; --link: #0066cc; --hairline: #d2d2d7;
  --round-bg: #1d1d1f; --round-bg-hover: #333336;
  --slot-bg: linear-gradient(160deg, #e8e8ed, #d2d2d7); --slot-ink: #86868b;
  --fill-line: rgba(110, 110, 115, 0.55);
  background: #f5f5f7;
  color: var(--ink);
}
.center { --justify: center; --inline: auto; text-align: center; }
/* Persan (page entiere ou simple libelle) : police systeme (SF Arabic sur les appareils Apple), lettres liees donc
   interlettrage nul, interligne plus ample ; mise en page en miroir : debut a droite, chevron vers la gauche */
:lang(fa) {
  --font: -apple-system, BlinkMacSystemFont, "SF Arabic", "Segoe UI", Tahoma, sans-serif;
  --track: 0; --lead: 1.15;
  --start: right; --end: left; --flip: -1;
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 14'%3E%3Cpath d='M6.5 1.5 1.5 7l5 5.5' fill='none' stroke='black' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; scroll-padding-top: 52px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 17px; line-height: calc(1.47059 * var(--lead)); font-family: var(--font); letter-spacing: calc(-0.022em * var(--track)); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
a { color: inherit; text-decoration: none; }
p a, .more { color: var(--link); }
p a:hover, .more:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 6px; }
button, input, select, textarea { font: inherit; color: inherit; }
img { display: block; }
section { padding-block: var(--section-pad); }
/* Deux surfaces claires qui se touchent : la seconde recouvre 1 px de la premiere,
   sinon le fond noir du body transparait en liseré sur une jonction fractionnaire. */
.light + .light, main + .gfoot { margin-top: -1px; }
.text { width: var(--text); margin-inline: auto; }

/* Typographie */
.eyebrow { margin: 0 0 10px; font-size: var(--fs-eyebrow); line-height: calc(1.19 * var(--lead)); font-weight: 600; letter-spacing: calc(0.011em * var(--track)); color: var(--muted); }
.h-super { margin: 0; font-size: var(--fs-super); line-height: calc(var(--lh-super) * var(--lead)); font-weight: 600; letter-spacing: calc(var(--ls-super) * var(--track)); }
.h-xxl { margin: 0; font-size: var(--fs-xxl); line-height: calc(var(--lh-xxl) * var(--lead)); font-weight: 600; letter-spacing: calc(var(--ls-xxl) * var(--track)); }
.h-xl { margin: 0; font-size: var(--fs-xl); line-height: calc(var(--lh-xl) * var(--lead)); font-weight: 600; letter-spacing: calc(var(--ls-xl) * var(--track)); }
.h-l { margin: 0; font-size: var(--fs-l); line-height: calc(var(--lh-l) * var(--lead)); font-weight: 600; letter-spacing: 0; }
.h-m { margin: 0; font-size: 28px; line-height: calc(1.14 * var(--lead)); font-weight: 600; letter-spacing: calc(0.007em * var(--track)); }
.copy { max-width: 690px; margin: 28px var(--inline) 0; font-size: var(--fs-copy); line-height: calc(var(--lh-copy) * var(--lead)); font-weight: 600; letter-spacing: calc(0.011em * var(--track)); color: var(--muted); }
.body { margin: 16px 0 0; color: var(--muted); }

/* (E8) mots qui passent en surbrillance */
.copy b { font-weight: 600; color: var(--muted); transition: color 1.2s var(--ease) 0.35s; }
.is-in .copy b { color: var(--ink); }

/* Emplacements : medias a fournir, faits a fournir */
.slot { display: grid; place-items: center; background: var(--slot-bg); }
.slot::after { content: attr(data-label); font: 500 11px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--slot-ink); }
.fill { display: inline-block; padding: 0 0.35em; border: 1px dashed var(--fill-line); border-radius: 0.3em; color: var(--muted); }

/* Boutons */
.pill { display: inline-flex; align-items: center; justify-content: center; min-height: var(--pill-h); padding: 0 var(--pill-x); border: 0; border-radius: 980px; background: var(--blue); color: #fff; font-size: var(--pill-fs); letter-spacing: calc(var(--pill-ls) * var(--track)); cursor: pointer; transition: transform 160ms var(--ease), background-color 200ms; }
.pill:hover { background: var(--blue-hover); }
.pill:active { transform: scale(0.97); }
.pill-sm { --pill-h: 28px; --pill-x: 12px; --pill-fs: 12px; --pill-ls: -0.01em; }
.more::after { content: ""; display: inline-block; width: 0.42em; height: 0.72em; margin-inline-start: 0.32em; background: currentColor; -webkit-mask: var(--chevron) center / contain no-repeat; mask: var(--chevron) center / contain no-repeat; }
.round { width: var(--round-size); height: var(--round-size); padding: 0; border: 0; border-radius: 50%; display: grid; place-items: center; background: var(--round-bg); -webkit-backdrop-filter: var(--round-filter); backdrop-filter: var(--round-filter); color: #f5f5f7; cursor: pointer; transition: transform 160ms var(--ease), background-color 200ms, opacity 200ms; }
.round:hover { background: var(--round-bg-hover); }
.round:active { transform: scale(0.92); }
.round:disabled { opacity: 0.36; cursor: default; }
.ctas { display: flex; flex-wrap: wrap; align-items: center; justify-content: var(--justify); gap: 12px 24px; margin-top: 28px; }

/* (A1) bandeau d'annonce */
.ribbon { padding: 14px var(--gutter); background: #1d1d1f; text-align: center; font-size: 14px; line-height: calc(1.43 * var(--lead)); letter-spacing: calc(-0.016em * var(--track)); color: var(--ink-soft); }
.ribbon p { margin: 0; }

/* (A2) barre globale + barre locale collante, en verre ; menu mobile */
.gnav { position: relative; z-index: 31; display: var(--gnav-display); height: 44px; background: var(--glass-gnav); -webkit-backdrop-filter: var(--glass-filter); backdrop-filter: var(--glass-filter); }
.gnav-in, .lnav-in { width: min(1024px, calc(100% - 2 * var(--gutter))); height: 100%; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.gnav-links { display: flex; gap: clamp(16px, 2.4vw, 34px); margin: 0; padding: 0; list-style: none; }
.gnav-links a { font-size: 12px; letter-spacing: calc(-0.01em * var(--track)); color: #e8e8ed; opacity: 0.8; transition: opacity 200ms; }
.gnav-links a:hover, .gnav-links a[aria-current="page"] { opacity: 1; }
.lnav { position: sticky; top: 0; z-index: 30; height: 52px; background: var(--glass-lnav); -webkit-backdrop-filter: var(--glass-filter); backdrop-filter: var(--glass-filter); border-bottom: 1px solid rgba(255, 255, 255, 0.16); }
.lnav-title { font-size: 21px; font-weight: 600; letter-spacing: calc(0.011em * var(--track)); }
.lnav-end { display: flex; align-items: center; gap: 14px; }
.menu-btn { display: var(--menu-btn-display); width: 32px; height: 32px; padding: 0; border: 0; background: none; cursor: pointer; place-items: center; }
.menu-btn path { transition: transform 320ms var(--ease); transform-origin: center; }
.menu-btn[aria-expanded="true"] .l1 { transform: translateY(3px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .l2 { transform: translateY(-3px) rotate(-45deg); }
.menu { --lang-fs: 14px; --lang-top: 24px; position: fixed; right: 0; bottom: 0; left: 0; z-index: 29; padding: 24px var(--gutter); background: var(--glass-menu); -webkit-backdrop-filter: var(--glass-filter); backdrop-filter: var(--glass-filter); }
.menu ul { margin: 0; padding: 0; list-style: none; }
.menu ul a { display: block; padding: 8px 0; font-size: 28px; line-height: calc(1.14 * var(--lead)); font-weight: 600; }
.menu:not([hidden]) li { animation: var(--anim-menu); animation-delay: calc(var(--i, 0) * 30ms); }
@keyframes rise-in { from { opacity: 0; transform: translateY(-8px); } }
/* (A2) choix de la langue : commande segmentee en verre, chaque langue dans son alphabet. La pastille glisse des l'appui
   (:active) ; le texte, en fusion « difference », passe du clair au sombre exactement la ou elle passe. */
.lang { --lang-at: 0; position: relative; isolation: isolate; display: inline-grid; grid-template-columns: 1fr 1fr; margin-top: var(--lang-top); padding: 2px; border-radius: 980px; background: rgba(255, 255, 255, 0.12); font-size: var(--lang-fs); line-height: calc(1.33 * var(--lead)); }
.lang:has(a:last-child:is([aria-current], :active)):not(:has(a:first-child:active)) { --lang-at: 1; }
.lang::before { content: ""; position: absolute; inset-block: 2px; inset-inline-start: 2px; width: calc(50% - 2px); border-radius: 980px; background: #f5f5f7; transform: translateX(calc(var(--lang-at) * 100% * var(--flip))); transition: transform 240ms var(--ease); }
.lang a { position: relative; padding: 4px 12px; border-radius: 980px; text-align: center; white-space: nowrap; color: #fff; mix-blend-mode: difference; opacity: 0.8; transition: opacity 200ms; }
.lang a:hover, .lang a[aria-current] { opacity: 1; }
/* Liens de langue : chaque libelle prend l'interlettrage de sa propre ecriture (nul pour le persan) */
a[hreflang] { letter-spacing: calc(-0.01em * var(--track)); }

/* (E6 + E7) entree liee au defilement, mesuree sur apple.com : l'element arrive 30 px plus bas, invisible,
   et rejoint sa place sur 190 px de defilement, sans minuterie. Ici l'etat avant le JS ; app.js ecrit la suite. */
.js .reveal, .js .stagger > * { opacity: 0; transform: translateY(var(--rise)); }
/* Intro du hero, deja a l'ecran au chargement : cascade minutee */
.js .intro > * { opacity: 0; transform: translateY(var(--rise-sm)); transition: opacity 0.9s var(--ease), transform 1.1s var(--ease); transition-delay: calc(var(--i, 0) * 120ms); }
.js .intro.is-in > * { opacity: 1; transform: none; }

/* (B1 + B2 + B3) hero marquee, voile, titre en degrade anime */
.marquee { --section-pad: 0; --muted: var(--ink-soft); --media-pos: var(--marquee-media-pos); --media-btn-block: 20px auto; --media-btn-inline: auto 20px; position: relative; min-height: var(--marquee-min); display: grid; align-items: end; overflow: hidden; }
.marquee > [data-media] { aspect-ratio: var(--marquee-media-ratio); -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 100%); mask-image: linear-gradient(180deg, #000 0%, #000 45%, transparent 100%); }
.scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, 0.88) 100%); pointer-events: none; }
.marquee-copy { position: relative; width: var(--wide); margin: 0 auto; padding: var(--marquee-copy-top) 0 clamp(40px, 6vw, 72px); display: flex; flex-direction: var(--marquee-dir); justify-content: space-between; align-items: var(--marquee-align); gap: 32px; }
.marquee-side { display: flex; flex-direction: column; align-items: var(--side-align); gap: 10px; flex: none; text-align: var(--side-text); }
.detail { margin: 0; font-size: 14px; letter-spacing: calc(-0.016em * var(--track)); color: var(--ink-soft); }
.grad-anim { background-image: linear-gradient(90deg, #f4b47e, #ea8ba0, #9aa8ff, #6ec3ff, #f4b47e); background-size: 250% 100%; background-position: 0 0; -webkit-background-clip: text; background-clip: text; color: transparent; animation: var(--anim-grad); }
@keyframes grad-sweep { from { background-position: 100% 0; } }

/* (E9 + G1) media : image de debut, video, image de fin, lecture-pause, legende */
[data-media] { position: var(--media-pos); inset: 0; overflow: hidden; background: #0b0b0c; }
[data-media] > .frame-start, [data-media] > video, [data-media] > .frame-end, [data-media] > canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
[data-media] > video, [data-media] > .frame-end { opacity: 0; transition: opacity 600ms var(--ease); }
[data-media].is-playing > video, [data-media].is-ended > .frame-end { opacity: 1; }
.media-btn { --round-size: 44px; --round-bg: var(--glass); --round-bg-hover: var(--glass-hover); --round-filter: var(--glass-blur); position: absolute; z-index: 3; inset-block: var(--media-btn-block); inset-inline: var(--media-btn-inline); }
.media-btn:not(.is-paused) .i-play, .media-btn.is-paused .i-pause { display: none; }
.inline-media { width: var(--wide); margin: 56px auto 0; aspect-ratio: 16 / 9; border-radius: 28px; }
.media-cap { width: var(--wide); margin: 16px auto 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 14px; letter-spacing: calc(-0.016em * var(--track)); color: var(--muted); }
.media-cap p { margin: 0; }

/* Galeries : piste horizontale commune */
.gallery { margin-top: clamp(36px, 4vw, 56px); }
.track { display: flex; gap: 20px; margin: 0; padding-block: var(--track-pad-block); padding-inline: var(--track-pad); list-style: none; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding-inline: var(--track-snap); scrollbar-width: none; }
.track::-webkit-scrollbar { display: none; }
.paddles { width: var(--text); margin: 28px auto 0; display: flex; justify-content: flex-end; gap: 14px; }

/* (C1) cartes plein ecran, points chronometres, pause, cartes recadrees */
[data-timed] { --track-pad: calc((100% - var(--hl-w)) / 2); --track-snap: 0px; }
.hl-card { position: relative; flex: 0 0 var(--hl-w); aspect-ratio: var(--hl-ratio); border-radius: 28px; overflow: hidden; scroll-snap-align: center; transform: scale(var(--hl-off-scale)); opacity: var(--hl-off-op); transition: transform 800ms var(--ease), opacity 800ms var(--ease); }
.hl-card.is-active { transform: none; opacity: 1; }
.hl-card > img, .hl-card > .slot { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hl-cap { --muted: var(--ink-soft); --fill-line: rgba(245, 245, 247, 0.5); position: relative; padding: clamp(28px, 4vw, 52px) clamp(24px, 6vw, 80px) clamp(64px, 8vw, 104px); text-align: center; text-shadow: 0 1px 16px rgba(0, 0, 0, 0.5); background: linear-gradient(180deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.45) 55%, rgba(0, 0, 0, 0) 100%); }
.hl-cap .k { margin: 0 0 8px; font-size: 17px; font-weight: 600; color: var(--ink-soft); }
.hl-cap h3 { max-width: 30ch; margin: 0 auto; font-size: 28px; line-height: calc(1.14 * var(--lead)); font-weight: 600; letter-spacing: calc(0.007em * var(--track)); }
.hl-card .more { position: absolute; inset-inline-start: clamp(24px, 3vw, 40px); bottom: clamp(20px, 3vw, 32px); }
.g-ui { display: flex; justify-content: center; align-items: center; gap: 14px; margin-top: 28px; }
.dots { display: flex; align-items: center; padding: 6px 14px; border-radius: 980px; background: var(--glass); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }
.dot { width: 24px; height: 32px; border: 0; padding: 0; background: none; display: grid; place-items: center; cursor: pointer; }
.dot i { position: relative; display: block; width: 8px; height: 8px; border-radius: 99px; background: rgba(255, 255, 255, 0.42); overflow: hidden; transition: width 420ms var(--ease); }
.dot[aria-current="true"] { width: 60px; }
.dot[aria-current="true"] i { width: 48px; }
.dot i::after { content: ""; position: absolute; inset: 0; background: #f5f5f7; transform: scaleX(0); transform-origin: var(--start); }
.dot[aria-current="true"] i::after { transform: scaleX(1); }
.dot.run i::after { animation: dot-fill 5s linear both; }
.is-paused .dot.run i::after { animation-play-state: paused; }
@keyframes dot-fill { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.playpause { --round-size: 56px; --round-bg: var(--glass); --round-bg-hover: var(--glass-hover); --round-filter: var(--glass-blur); }
[data-timed]:not(.is-paused) .playpause .i-play, [data-timed].is-paused .playpause .i-pause { display: none; }

/* (C2 + E11) tuiles a legendes animees ; (C5) glissieres */
.ctile { position: relative; flex: 0 0 clamp(260px, 30vw, 380px); aspect-ratio: 3 / 4; border-radius: 28px; overflow: hidden; scroll-snap-align: start; }
.ctile > img, .ctile > .slot { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ctile-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px; background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.7)); transform: translateY(var(--rise-sm)); opacity: 0; transition: transform 900ms var(--ease), opacity 900ms var(--ease); }
.ctile.is-in .ctile-cap { transform: none; opacity: 1; }
.ctile-cap h3 { margin: 0; font-size: 21px; line-height: calc(1.19 * var(--lead)); font-weight: 600; letter-spacing: calc(0.011em * var(--track)); }
.ctile-cap p { margin: 6px 0 0; font-size: 14px; color: var(--ink-soft); }
.slide { flex: 0 0 var(--text); scroll-snap-align: start; }
.slide > img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: 28px; object-fit: cover; }
.viewer-stage { display: grid; aspect-ratio: 16 / 9; border-radius: 28px; overflow: hidden; }
.viewer-stage > * { grid-area: 1 / 1; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.03); transition: opacity 600ms var(--ease), transform 900ms var(--ease); }
.viewer-stage > .is-on { opacity: 1; transform: none; }
.slide h3 { margin: 24px 0 0; font-size: 28px; line-height: calc(1.14 * var(--lead)); font-weight: 600; letter-spacing: calc(0.007em * var(--track)); }

/* pastilles */
.swatches { display: flex; align-items: center; justify-content: var(--justify); gap: 14px; margin-top: 16px; }
.sw { width: 24px; height: 24px; border-radius: 50%; background: var(--c); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24); }
.sw-label { font-size: 14px; color: var(--muted); }

/* (D1) visionneuse : barre de controles, fond actif qui glisse ; (D3) selecteur a boutons */
.viewer { width: min(var(--wide), calc((100svh - 300px) * 16 / 9)); margin: 56px auto 0; }
.viewer-text { min-height: 3em; margin: 24px auto 0; max-width: 640px; text-align: center; font-size: 21px; font-weight: 600; color: var(--muted); }
.controls-wrap { display: flex; margin-top: 24px; overflow-x: auto; scrollbar-width: none; }
.controls { position: relative; display: inline-flex; flex: none; gap: 4px; margin-inline: auto; padding: 4px; border-radius: 980px; background: var(--glass); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }
.ctrl { position: relative; z-index: 1; padding: 10px 20px; border: 0; border-radius: 980px; background: none; font-size: 17px; white-space: nowrap; color: var(--ink-soft); cursor: pointer; transition: color 300ms; }
.ctrl[aria-selected="true"] { color: #1d1d1f; }
.ctrl-bg { position: absolute; top: 4px; left: 0; height: calc(100% - 8px); border-radius: 980px; background: #f5f5f7; transition: transform 500ms var(--ease), width 500ms var(--ease); }
.selector { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 28px; }
.sel { padding: 8px 18px; border: 1px solid rgba(255, 255, 255, 0.24); border-radius: 980px; background: none; font-size: 17px; color: var(--ink-soft); cursor: pointer; transition: background-color 300ms, color 300ms, transform 160ms var(--ease); }
.sel:active { transform: scale(0.97); }
.sel[aria-pressed="true"] { background: #f5f5f7; color: #1d1d1f; border-color: #f5f5f7; }

/* (D4) comparateur a liste deroulante */
.compare { width: var(--text); margin: 56px auto 0; }
.compare label { display: block; margin-bottom: 8px; font-size: 14px; color: var(--muted); }
.compare select { appearance: none; -webkit-appearance: none; min-width: var(--select-min); width: var(--select-w); padding-block: 12px; padding-inline: 16px 44px; border: 1px solid #424245; border-radius: 12px; background: #1d1d1f var(--chevron) no-repeat var(--end) 18px center / 7px 12px; font-size: 17px; cursor: pointer; }
.cmp-row { display: grid; grid-template-columns: var(--cmp-cols); gap: var(--cmp-gap); padding: 24px 0; border-top: 1px solid var(--hairline); }
.cmp-row:first-of-type { margin-top: 32px; }
.cmp-row dt { font-size: 17px; font-weight: 600; color: var(--muted); }
.cmp-row dd { margin: 0; font-size: 21px; font-weight: 600; letter-spacing: calc(0.011em * var(--track)); }
.swap { animation: swap-in 500ms var(--ease) both; }
@keyframes swap-in { from { opacity: 0; transform: translateY(8px); filter: blur(4px); } }

/* Formulaire de contact : etiquettes flottantes, erreur dans le champ */
.form { width: var(--text); margin: 56px auto 0; display: grid; grid-template-columns: var(--form-cols); gap: 16px; }
.field { position: relative; }
.field-wide { grid-column: 1 / -1; }
.field input, .field select, .field textarea { display: block; width: 100%; min-height: var(--field-min, 58px); padding-block: 26px 8px; padding-inline: 16px var(--field-pad-end, 16px); border: 1px solid var(--field-line); border-radius: 12px; background: var(--field-bg) var(--field-icon, none) no-repeat var(--end) 18px center / 7px 12px; transition: border-color 200ms; }
.field select { --field-pad-end: 44px; --field-icon: var(--chevron); appearance: none; -webkit-appearance: none; cursor: pointer; }
.field textarea { --field-min: 180px; resize: vertical; }
.field [aria-invalid="true"] { --field-line: var(--danger); }
.field label { position: absolute; top: 19px; inset-inline-start: 17px; font-size: 17px; line-height: calc(1.2 * var(--lead)); color: var(--muted); pointer-events: none; transform-origin: var(--start) top; transition: transform 200ms var(--ease); }
.field :is(input, textarea):is(:focus, :not(:placeholder-shown)) + label, .field select + label { transform: translateY(-11px) scale(0.7); }
.field-msg { margin: 6px 4px 0; font-size: 12px; line-height: calc(1.33 * var(--lead)); color: var(--danger); }
.field-msg:empty { display: none; }
.form-end { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 12px; }
.form-status { margin: 0; font-size: 14px; color: var(--muted); }

/* (D5) visionneuse a glisser */
.look { width: var(--wide); margin: 56px auto 0; aspect-ratio: var(--look-ratio); border-radius: 28px; cursor: grab; touch-action: pan-y; }
.look:active { cursor: grabbing; }
.look-hint { margin: 16px 0 0; text-align: center; font-size: 14px; color: var(--muted); }

/* (E1) video pilotee par le scroll ; scenes epinglees */
.scrub { --section-pad: 0; height: var(--scrub-h); }
.scrub-stage, .mask-stage { --media-pos: absolute; position: var(--stage-pos); top: var(--stage-top); height: calc(100svh - 52px); overflow: hidden; }
.scrub-stage { display: grid; place-items: center; }
.scrub-copy { --muted: #e8e8ed; position: relative; z-index: 2; text-align: center; padding: 0 var(--gutter); text-shadow: 0 2px 24px rgba(0, 0, 0, 0.4); }
.timecode { position: absolute; z-index: 2; left: 50%; bottom: 28px; transform: translateX(-50%); padding: 8px 16px; border-radius: 980px; background: var(--glass-dark); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); font: 500 14px/1 var(--mono); letter-spacing: 0; font-variant-numeric: tabular-nums; }

/* (E2 + E3) le nom decoupe dans le media : plaque noire, mot blanc, fusion multiply
   (le blanc laisse voir le ciel, le noir le cache) ; seuls transform et opacity bougent */
/* Chronologie d'Apple (MacBook Pro) : 1 500 px de defilement. La section suivante monte pendant les 500 px
   de fermeture (marge negative de 500 px) : elle entre par le bas, sans trou noir et sans etre devoilee d'un coup. */
.maskscene { --section-pad: 0; height: var(--mask-h); margin-bottom: var(--mask-overlap); }
.mask-stage { z-index: 1; }
.mask-plate { position: absolute; inset: 0; display: grid; place-items: center; overflow: hidden; background: #000; color: #fff; mix-blend-mode: multiply; opacity: 0; }
.mask-word { font: 800 min(15vw, 25svh) / 1 var(--font); letter-spacing: -0.04em; white-space: nowrap; }
.mask-cap { position: absolute; z-index: 2; left: 0; right: 0; bottom: 12%; text-align: center; opacity: 0; }

/* (E4) zoom d'image ; (E5) images qui convergent ; (G2) biographie, sur le modele d'apple.com/leadership */
.zoom { width: var(--wide); margin: 56px auto 0; aspect-ratio: 16 / 9; border-radius: 28px; overflow: hidden; }
.zoom > * { width: 100%; height: 100%; object-fit: cover; will-change: transform; }
.converge { width: var(--wide); margin: 56px auto 0; display: grid; grid-template-columns: var(--converge-cols); gap: 20px; overflow: hidden; }
.converge > * { width: 100%; height: auto; aspect-ratio: 4 / 3; border-radius: 28px; object-fit: cover; will-change: transform; }
.bio { width: var(--wide); margin: 56px auto 0; display: grid; grid-template-columns: var(--bio-cols); gap: clamp(32px, 5vw, 80px); align-items: start; }
.bio-media { aspect-ratio: 3 / 4; border-radius: 28px; }
.bio-copy { max-width: 640px; margin: 16px 0 0; color: var(--ink); }

/* (E10) legendes sur une image */
.callouts { position: relative; width: var(--wide); margin: 56px auto 0; aspect-ratio: 16 / 9; border-radius: 28px; overflow: hidden; }
.callouts > img, .callouts > .slot { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.callout { position: absolute; left: var(--x); top: var(--y); padding: var(--callout-pad); border-radius: 980px; background: var(--glass); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); font-size: var(--callout-fs); font-weight: 600; color: #f5f5f7; opacity: 0; transform: translateY(var(--rise-xs)) scale(0.96); transition: opacity 700ms var(--ease), transform 800ms var(--ease); transition-delay: calc(var(--i, 0) * 140ms); }
.callouts.is-in .callout { opacity: 1; transform: none; }

/* (F1) chiffres cles ; (F2) barres animees */
.stats { display: grid; grid-template-columns: var(--cols-3); gap: 32px; margin-top: 64px; }
.stat p { margin: 0; font-size: 17px; font-weight: 600; color: var(--muted); }
.stat strong { display: block; margin-top: 4px; font-size: var(--fs-stat); line-height: calc(1.06 * var(--lead)); font-weight: 600; letter-spacing: calc(-0.009em * var(--track)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.g1 { background-image: linear-gradient(90deg, #ff9f6b, #ffd36b); }
.g2 { background-image: linear-gradient(90deg, #ffd36b, #7ee0c4); }
.g3 { background-image: linear-gradient(90deg, #6ec3ff, #a48cff); }
.bars { display: grid; gap: 22px; margin-top: 56px; }
.bar p { display: flex; justify-content: space-between; margin: 0 0 8px; font-size: 17px; font-weight: 600; }
.bar-track { height: 12px; border-radius: 99px; background: #1d1d1f; overflow: hidden; }
.bar-fill { height: 100%; border-radius: inherit; background: var(--bar-bg); transform: scaleX(0); transform-origin: var(--start); transition: transform 1.4s var(--ease); transition-delay: calc(var(--i, 0) * 150ms); }
.todo { --bar-bg: repeating-linear-gradient(135deg, #2c2c2e 0 8px, #3a3a3c 8px 16px); }
.bars.is-in .bar-fill { transform: scaleX(var(--v, 1)); }

/* (C3 + C4 + C6 + H1) cartes, tuiles, survol, lignes « + » */
.cards { --track-pad-block: 8px 24px; }
.fcard, .icard, .profile, .ptile { position: relative; border-radius: 28px; scroll-snap-align: start; transition: transform 300ms var(--ease), box-shadow 300ms var(--ease); }
.fcard:hover, .icard:hover, .ptile:hover { transform: scale(1.01); box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.08); }
.fcard { flex: 0 0 clamp(280px, 30vw, 380px); min-height: 480px; padding: 32px 32px 84px; background: var(--surface); }
.icard { flex: 0 0 clamp(260px, 26vw, 330px); min-height: 360px; padding: 32px 32px 84px; background: var(--surface); }
.fcard .k, .ptile .k { margin: 0; font-size: 14px; font-weight: 600; color: var(--muted); }
.fcard h3, .icard h3 { margin: 8px 0 0; font-size: 28px; line-height: calc(1.14 * var(--lead)); font-weight: 600; letter-spacing: calc(0.007em * var(--track)); }
.fcard p:not(.k), .icard p { margin: 12px 0 0; color: var(--muted); }
.fcard .round, .icard .round, .profile .round { position: absolute; inset-inline-end: 24px; bottom: 24px; }
.icard svg.icon { width: 56px; height: 56px; }
.profile { flex: 0 0 clamp(280px, 30vw, 380px); padding: 0 0 84px; background: var(--tile); overflow: hidden; }
.profile > img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.profile h3 { margin: 24px 28px 0; font-size: 24px; line-height: calc(1.17 * var(--lead)); font-weight: 600; letter-spacing: calc(0.009em * var(--track)); }
.profile p { margin: 10px 28px 0; color: var(--muted); }
.profile p b { font-weight: 600; color: var(--ink); }
.ptiles { width: var(--wide); max-width: var(--ptiles-max); margin: 56px auto 0; display: grid; grid-template-columns: var(--ptiles-cols); gap: 20px; }
.ptile { --justify: center; display: grid; grid-template-rows: auto auto 1fr auto; padding: 40px 32px; background: var(--surface); text-align: center; }
.ptile h3 { margin: 8px 0 0; font-size: 32px; line-height: calc(1.125 * var(--lead)); font-weight: 600; letter-spacing: calc(0.004em * var(--track)); }
.plus-rows { margin: 28px 0 0; padding: 28px 0 0; border-top: 1px solid var(--hairline); list-style: none; display: grid; gap: 18px; text-align: start; }
.plus-rows li { display: grid; grid-template-columns: 24px 1fr; gap: 12px; font-size: 14px; letter-spacing: calc(-0.016em * var(--track)); color: var(--muted); }
.plus-rows svg { width: 20px; height: 20px; color: var(--ink); }

/* (A3) pilule flottante par chapitre, apparition « materielle » */
.aap-wrap { position: sticky; bottom: 28px; z-index: 10; display: flex; justify-content: center; margin-top: 56px; pointer-events: none; }
.aap { pointer-events: auto; display: inline-flex; align-items: center; gap: 16px; padding-block: 10px; padding-inline: 26px 10px; border: 0; border-radius: 980px; background: var(--glass); -webkit-backdrop-filter: var(--glass-filter); backdrop-filter: var(--glass-filter); color: #f5f5f7; font-size: 17px; font-weight: 600; cursor: pointer; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.36); opacity: 0; transform: translateY(16px) scale(0.94); filter: blur(8px); transition: opacity 600ms var(--ease), transform 800ms var(--ease), filter 600ms var(--ease); }
.aap.is-in { opacity: 1; transform: none; filter: none; }
.aap:active { transform: scale(0.97); }
.plus-blue { width: 36px; height: 36px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; }

/* (A4) fenetres sur fond flou */
dialog.sheet { width: min(820px, calc(100% - 2 * var(--gutter))); max-height: calc(100svh - 80px); padding: 0; border: 0; border-radius: 28px; background: var(--sheet); color: var(--ink); color-scheme: dark; animation: var(--anim-sheet); }
dialog.sheet::backdrop { background: rgba(0, 0, 0, 0.48); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }
@keyframes sheet-in { from { opacity: 0; transform: translateY(18px) scale(0.96); } }
.sheet-in { position: relative; padding: clamp(40px, 6vw, 76px); }
.sheet-close { position: absolute; top: 20px; inset-inline-end: 20px; }
.sheet-in h3 { margin: 0; font-size: 40px; line-height: calc(1.1 * var(--lead)); font-weight: 600; letter-spacing: 0; }
.sheet-in p { margin: 20px 0 0; font-size: 21px; line-height: calc(1.38 * var(--lead)); font-weight: 600; letter-spacing: calc(0.011em * var(--track)); color: var(--muted); }

/* (E12) pied de page global, sur le modele d'apple.com : fil d'Ariane, annuaire en cascade
   (accordeon sur mobile), autres moyens de travailler avec nous, mentions, LinkedIn et Instagram */
.gfoot { font-size: 12px; line-height: calc(1.33 * var(--lead)); letter-spacing: calc(-0.01em * var(--track)); }
.gfoot-in { width: min(980px, 100% - 2 * var(--gutter)); margin: 0 auto; padding: 18px 0 24px; color: var(--muted); }
.crumbs { display: flex; align-items: center; padding-bottom: 14px; border-bottom: 1px solid var(--hairline); }
.crumbs span { color: var(--ink); }
.crumbs span::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-block: 0 1px; margin-inline: 11px 12px; border-top: 1px solid var(--muted); border-inline-end: 1px solid var(--muted); transform: rotate(calc(45deg * var(--flip))); }
.dir { display: grid; grid-template-columns: var(--dir-cols); gap: 0 20px; padding-top: 20px; }
.dir details { --chev: translateY(-70%) rotate(45deg); }
.dir details[open] { --chev: translateY(-20%) rotate(225deg); }
.dir summary { position: relative; margin-bottom: var(--dir-sum-mb); padding: var(--dir-sum-pad); border-bottom: var(--dir-sum-line) solid var(--hairline); font-weight: 600; color: var(--ink); list-style: none; cursor: var(--dir-sum-cursor); }
.dir summary::-webkit-details-marker { display: none; }
.dir summary::after { content: ""; display: var(--dir-chev); position: absolute; top: 50%; inset-inline-end: 6px; width: 7px; height: 7px; border-right: 1px solid var(--muted); border-bottom: 1px solid var(--muted); transform: var(--chev); transition: transform 240ms var(--ease); }
.dir ul { margin: 0 0 var(--dir-ul-mb); padding: var(--dir-ul-pad); list-style: none; display: grid; gap: 9px; }
.dir a { color: #424245; }
.dir a:hover { text-decoration: underline; }
.js .dir li { opacity: 0; transform: translateY(var(--rise-xs)); transition: opacity 700ms var(--ease), transform 800ms var(--ease); transition-delay: calc(var(--i, 0) * 40ms); }
.js .dir.is-in li { opacity: 1; transform: none; }
.gfoot-more { margin: 0; padding: var(--gfoot-more-top) 0 16px; border-bottom: 1px solid var(--hairline); }
.gfoot-end { display: grid; grid-template-columns: var(--gfoot-end-cols); align-items: center; gap: 14px 24px; padding-top: 18px; }
.gfoot-end p { margin: 0; }
.legal { display: flex; flex-wrap: wrap; margin: 6px 0 0; padding: 0; list-style: none; }
.legal li + li { margin-inline-start: 8px; padding-inline-start: 8px; border-inline-start: 1px solid var(--hairline); }
.social { display: flex; margin: 0 -12px; padding: 0; list-style: none; }
.social a { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; color: var(--muted); transition: color 160ms var(--ease), transform 160ms var(--ease); }
.social a:hover { color: var(--ink); }
.social a:active { transform: scale(0.97); }

/* logo bilingue sur About (fond clair, le persan est sombre) */
.mark-fa { width: min(560px, 100% - 2 * var(--gutter)); height: auto; margin: 0 auto; }