/* Biodex — le site. Sombre, profond, un décor animé derrière, et des cartes
   translucides qui le laissent voir. */
:root {
  --fond: #070b16; --fond2: rgba(18, 26, 46, .72); --fond3: rgba(28, 38, 66, .85);
  --bordure: rgba(140, 170, 230, .18); --texte: #e9eefb; --doux: #9fb0d4; --sourd: #6f80a6;
  --accent: #2fd3c9; --accent2: #ffd166; --rose: #ff6fa8; --vert: #5df2a6;
  --rayon: 18px; --ombre: 0 20px 60px rgba(0, 0, 0, .45);
  --largeur: 1180px; --gouttiere: 24px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; font: 16px/1.6 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--texte); background: var(--fond); overflow-x: hidden; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
code, pre { font-family: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace; }
button { font: inherit; }
::selection { background: rgba(47, 211, 201, .35); }

/* ── le décor animé, derrière tout ───────────────────────────────────────── */
#fond-anime { position: fixed; inset: 0; z-index: 0; pointer-events: none; width: 100%; height: 100%; opacity: .9; }
body::after { content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; background: linear-gradient(180deg, rgba(7, 11, 22, .15), rgba(7, 11, 22, .55) 60%, rgba(7, 11, 22, .9)); }
body.decor-clair::after { background: linear-gradient(180deg, rgba(7, 11, 22, .45), rgba(7, 11, 22, .7) 60%, rgba(7, 11, 22, .92)); }
.page { position: relative; z-index: 1; }

/* ── la barre : la marque, les pilules au centre, les actions à droite ──── */
.barre { position: sticky; top: 0; z-index: 20; background: rgba(7, 11, 22, .55); backdrop-filter: blur(16px) saturate(1.3); -webkit-backdrop-filter: blur(16px) saturate(1.3); border-bottom: 1px solid var(--bordure); }
.barre .dedans { max-width: var(--largeur); margin: 0 auto; padding: 10px var(--gouttiere); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; }
.barre .marque { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--texte); letter-spacing: -.01em; justify-self: start; }
.barre .marque:hover { text-decoration: none; }
.barre .marque img { width: 32px; height: 32px; border-radius: 10px; box-shadow: 0 4px 14px rgba(47, 211, 201, .25); }
.barre nav { display: flex; align-items: center; gap: 2px; padding: 4px; border-radius: 999px; border: 1px solid var(--bordure); background: rgba(255, 255, 255, .04); }
.barre nav a { position: relative; padding: 7px 14px; border-radius: 999px; color: var(--doux); font-weight: 600; font-size: 13.5px; white-space: nowrap; transition: color .15s, background .15s; }
.barre nav a:hover { color: var(--texte); background: rgba(255, 255, 255, .07); text-decoration: none; }
.barre nav a.actif { color: #042523; background: var(--accent); box-shadow: 0 4px 16px rgba(47, 211, 201, .35); }
.barre .actions { justify-self: end; display: flex; align-items: center; gap: 8px; }
.barre .actions a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; font-weight: 700; font-size: 13.5px; border: 1px solid var(--bordure); color: var(--texte); background: rgba(255, 255, 255, .05); transition: transform .15s, background .15s; }
.barre .actions a:hover { text-decoration: none; transform: translateY(-1px); background: rgba(255, 255, 255, .1); }
.barre .actions a.cta { background: linear-gradient(135deg, var(--accent), #1fb4ab); color: #042523; border-color: transparent; box-shadow: 0 6px 20px rgba(47, 211, 201, .3); }
.barre .actions svg { width: 18px; height: 18px; fill: currentColor; }
.barre .menu { display: none; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--bordure); background: rgba(255, 255, 255, .05); color: var(--texte); cursor: pointer; font-size: 18px; }
.barre .tiroir { display: none; }

/* ── le héros, centré, avec trois téléphones en scène ───────────────────── */
.heros { max-width: var(--largeur); margin: 0 auto; padding: 72px var(--gouttiere) 0; text-align: center; }
.heros .etiquette { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(255, 209, 102, .35); background: rgba(255, 209, 102, .08); color: var(--accent2); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.heros .etiquette i { width: 7px; height: 7px; border-radius: 50%; background: var(--vert); box-shadow: 0 0 10px var(--vert); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.sondage { max-width: 640px; margin: 18px auto 0; padding: 14px 18px 12px; border-radius: 18px; border: 1px solid rgba(93, 242, 166, .3); background: rgba(93, 242, 166, .07); backdrop-filter: blur(8px); }
.sondage p { margin: 0 0 10px; color: var(--doux); font-size: 14.5px; line-height: 1.5; }
.sondage p b { color: var(--texte); }
.sondage .vote { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px; background: linear-gradient(135deg, var(--vert), #2fd3a0); color: #04251a; font-weight: 800; font-size: 14px; box-shadow: 0 8px 24px rgba(93, 242, 166, .25); transition: transform .15s; }
.sondage .vote:hover { text-decoration: none; transform: translateY(-2px); }
.sondage .vote [data-compte] { padding: 2px 9px; border-radius: 999px; background: rgba(0, 0, 0, .18); font-weight: 700; font-size: 12.5px; }
.sondage .vote [data-compte]:empty { display: none; }
.sondage small { display: block; margin-top: 8px; color: var(--sourd); font-size: 12px; }
.heros h1 { font-size: clamp(44px, 7.2vw, 92px); line-height: 1; letter-spacing: -.035em; margin: 22px auto 16px; }
.heros h1 span { background: linear-gradient(90deg, var(--accent), var(--vert) 50%, var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.heros .accroche { font-size: clamp(17px, 2vw, 21px); color: var(--doux); max-width: 60ch; margin: 0 auto 30px; }
.boutons { display: flex; gap: 12px; flex-wrap: wrap; }
.heros .boutons { justify-content: center; }
.bouton { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 14px; font-weight: 700; font-size: 15px; border: 1px solid transparent; transition: transform .15s, box-shadow .15s, background .15s; }
.bouton:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--ombre); }
.bouton.principal { background: linear-gradient(135deg, var(--accent), #1fb4ab); color: #042523; box-shadow: 0 10px 30px rgba(47, 211, 201, .25); }
.bouton.secondaire { border-color: var(--bordure); background: rgba(255, 255, 255, .06); color: var(--texte); backdrop-filter: blur(8px); }
.bouton.secondaire:hover { background: rgba(255, 255, 255, .11); }
.bouton.or { background: linear-gradient(135deg, var(--accent2), #f0b23a); color: #2a1c00; }
.heros .chiffres { display: flex; justify-content: center; gap: 0; margin: 38px auto 0; flex-wrap: wrap; border: 1px solid var(--bordure); border-radius: 999px; background: rgba(255, 255, 255, .04); backdrop-filter: blur(8px); width: max-content; max-width: 100%; }
.heros .chiffres div { padding: 12px 26px; border-right: 1px solid var(--bordure); }
.heros .chiffres div:last-child { border-right: 0; }
.heros .chiffres b { display: block; font-size: 24px; letter-spacing: -.02em; line-height: 1.1; }
.heros .chiffres span { color: var(--sourd); font-size: 12.5px; }

.scene { position: relative; max-width: var(--largeur); margin: 20px auto 0; padding: 30px var(--gouttiere) 120px; display: flex; justify-content: center; align-items: flex-end; gap: 0; min-height: 420px; }
.scene::before { content: ""; position: absolute; left: 50%; bottom: 0; width: min(900px, 90vw); height: 55%; transform: translateX(-50%); background: radial-gradient(ellipse at 50% 100%, rgba(47, 211, 201, .32), transparent 65%); filter: blur(30px); pointer-events: none; }
.scene .tel { position: relative; width: min(300px, 28vw); margin: 0 -22px; filter: drop-shadow(0 30px 50px rgba(0, 0, 0, .65)); transition: transform .6s cubic-bezier(.2, .8, .2, 1); }
.scene .tel img { width: 100%; }
.scene .tel.gauche { transform: translateY(70px) rotate(-7deg); z-index: 1; animation: flotte-g 9s ease-in-out infinite; }
.scene .tel.centre { width: min(340px, 32vw); z-index: 2; animation: flotte-c 7s ease-in-out infinite; }
.scene .tel.droite { transform: translateY(70px) rotate(7deg); z-index: 1; animation: flotte-d 10s ease-in-out infinite; }
@keyframes flotte-c { 50% { transform: translateY(-14px); } }
@keyframes flotte-g { 0%, 100% { transform: translateY(70px) rotate(-7deg); } 50% { transform: translateY(58px) rotate(-6deg); } }
@keyframes flotte-d { 0%, 100% { transform: translateY(70px) rotate(7deg); } 50% { transform: translateY(56px) rotate(6deg); } }
.scene .tel::after { content: attr(data-nom); position: absolute; left: 50%; bottom: -34px; transform: translateX(-50%); color: var(--sourd); font-size: 12.5px; font-weight: 600; white-space: nowrap; }
@media (prefers-reduced-motion: reduce) { .scene .tel, .heros .etiquette i { animation: none !important; } }

/* ── les sections ─────────────────────────────────────────────────────────── */
section { max-width: var(--largeur); margin: 0 auto; padding: 72px var(--gouttiere) 24px; }
section h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -.03em; margin: 0 0 10px; line-height: 1.08; }
section .surtitre { display: block; color: var(--accent); font-size: 12.5px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 10px; }
section .intro { color: var(--doux); font-size: 17px; max-width: 68ch; margin: 0 0 30px; }
section .entete { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 20px; }
section .entete .intro { margin-bottom: 0; }
section .entete + * { margin-top: 30px; }
.indice { display: none; color: var(--sourd); font-size: 12px; margin: -6px 0 0; text-align: right; }

/* ce qui apparaît en défilant */
.apparait { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s cubic-bezier(.2, .8, .2, 1); }
.apparait.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .apparait { opacity: 1; transform: none; transition: none; } }

.cartes { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; }
.carte { position: relative; background: var(--fond2); border: 1px solid var(--bordure); border-radius: var(--rayon); padding: 22px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); transition: transform .2s, border-color .2s, box-shadow .2s; overflow: hidden; }
.carte::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at var(--mx, 50%) var(--my, 0%), rgba(47, 211, 201, .14), transparent 45%); opacity: 0; transition: opacity .25s; pointer-events: none; }
.carte:hover { transform: translateY(-4px); border-color: rgba(47, 211, 201, .5); box-shadow: 0 18px 40px rgba(0, 0, 0, .35); }
.carte:hover::before { opacity: 1; }
.carte .ico { width: 46px; height: 46px; display: grid; place-items: center; font-size: 24px; margin-bottom: 14px; border-radius: 13px; background: linear-gradient(135deg, rgba(47, 211, 201, .22), rgba(255, 209, 102, .14)); border: 1px solid rgba(47, 211, 201, .3); }
.carte h3 { margin: 0 0 6px; font-size: 17px; }
.carte p { margin: 0; color: var(--doux); font-size: 14.5px; }
.carte .nombre { font-size: 42px; font-weight: 800; letter-spacing: -.03em; color: var(--accent2); line-height: 1; margin-bottom: 8px; }
.cartes.trois { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* la chaîne d'analyse : quatre étapes reliées */
.etapes { position: relative; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; counter-reset: etape; }
.etape { position: relative; background: var(--fond2); border: 1px solid var(--bordure); border-radius: var(--rayon); padding: 26px 20px 20px; backdrop-filter: blur(10px); }
.etape::before { counter-increment: etape; content: counter(etape); position: absolute; top: -16px; left: 18px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--vert)); color: #042523; font-weight: 800; font-size: 14px; box-shadow: 0 6px 16px rgba(47, 211, 201, .35); }
.etape:not(:last-child)::after { content: ""; position: absolute; top: 0; right: -14px; width: 14px; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); opacity: .7; }
.etape h3 { margin: 4px 0 6px; font-size: 16px; }
.etape p { margin: 0; color: var(--doux); font-size: 14px; }

/* la démo filmée : un téléphone qui joue la vidéo, les moments à côté */
.demo { display: grid; grid-template-columns: minmax(260px, 340px) 1fr; gap: 44px; align-items: center; }
.telephone-video { position: relative; justify-self: center; width: 100%; max-width: 340px; padding: 10px; border-radius: 40px; background: linear-gradient(160deg, #2c3550, #0d1222); border: 1px solid rgba(160, 180, 230, .3); box-shadow: 0 30px 70px rgba(0, 0, 0, .6), inset 0 0 0 2px rgba(0, 0, 0, .6); }
.telephone-video::before { content: ""; position: absolute; inset: -18%; z-index: -1; background: radial-gradient(ellipse at 50% 50%, rgba(47, 211, 201, .3), transparent 60%); filter: blur(30px); }
.telephone-video video { display: block; width: 100%; aspect-ratio: 540 / 1156; border-radius: 30px; background: #000; object-fit: cover; }
.moments { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.moments li { display: grid; grid-template-columns: 58px 1fr; column-gap: 14px; padding: 14px 16px; border-radius: 16px; background: var(--fond2); border: 1px solid var(--bordure); backdrop-filter: blur(10px); }
.moments li b { grid-row: 1 / 3; align-self: start; padding: 4px 0; border-radius: 10px; background: rgba(47, 211, 201, .14); color: var(--accent); text-align: center; font-size: 13px; font-variant-numeric: tabular-nums; }
.moments h3 { margin: 0 0 3px; font-size: 15.5px; }
.moments p { margin: 0; color: var(--doux); font-size: 14px; }

/* la galerie, ses filtres, et la visionneuse */
.filtres { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.filtres button, .decors button { padding: 8px 15px; border-radius: 999px; border: 1px solid var(--bordure); background: rgba(255, 255, 255, .05); color: var(--texte); font-weight: 600; font-size: 13px; cursor: pointer; transition: background .15s, transform .15s; }
.filtres button:hover, .decors button:hover { background: rgba(255, 255, 255, .1); transform: translateY(-1px); }
.filtres button.actif, .decors button.actif { background: var(--accent); color: #042523; border-color: transparent; }
.galerie { display: grid; grid-template-columns: repeat(auto-fill, minmax(176px, 1fr)); gap: 18px 14px; }
.galerie figure { margin: 0; cursor: zoom-in; }
.galerie figure.cache { display: none; }
.galerie .ecran { position: relative; border-radius: 22px; padding: 7px; background: linear-gradient(160deg, #2c3550, #0d1222); border: 1px solid rgba(160, 180, 230, .25); box-shadow: 0 14px 34px rgba(0, 0, 0, .45); transition: transform .2s, box-shadow .2s; }
.galerie .ecran img { border-radius: 16px; }
.galerie figure:hover .ecran { transform: translateY(-4px) scale(1.02); box-shadow: 0 24px 48px rgba(0, 0, 0, .55); }
.galerie figcaption { font-size: 13px; color: var(--doux); text-align: center; margin-top: 10px; font-weight: 600; }
.galerie.telephones { grid-template-columns: repeat(auto-fill, minmax(168px, 1fr)); }
.galerie.telephones figure img { border: 0; box-shadow: none; filter: drop-shadow(0 14px 30px rgba(0, 0, 0, .5)); transition: transform .2s; }
.galerie.telephones figure:hover img { transform: translateY(-4px); }
.visionneuse { position: fixed; inset: 0; z-index: 50; display: none; align-items: center; justify-content: center; background: rgba(3, 6, 14, .9); backdrop-filter: blur(8px); padding: 20px; }
.visionneuse.ouverte { display: flex; }
.visionneuse img { max-height: 90vh; max-width: 92vw; border-radius: 18px; box-shadow: var(--ombre); }
.visionneuse .legende { position: absolute; bottom: 22px; left: 0; right: 0; text-align: center; color: var(--doux); font-size: 14px; }
.visionneuse button { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--bordure); background: rgba(255, 255, 255, .08); color: #fff; font-size: 22px; cursor: pointer; }
.visionneuse .prec { left: 18px; } .visionneuse .suiv { right: 18px; }
.visionneuse .ferme { top: 18px; right: 18px; transform: none; }

/* les thèmes : la bande, et le choix du décor du site */
.themes { display: flex; gap: 14px; overflow-x: auto; padding: 8px 2px 18px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.themes figure { flex: 0 0 190px; margin: 0; scroll-snap-align: start; cursor: zoom-in; }
.themes img { border-radius: 18px; border: 1px solid var(--bordure); box-shadow: 0 12px 30px rgba(0, 0, 0, .4); transition: transform .2s; }
.themes figure:hover img { transform: translateY(-4px); }
.themes figcaption { font-size: 13px; color: var(--doux); text-align: center; margin-top: 10px; font-weight: 600; }
.decors { display: flex; gap: 8px; flex-wrap: wrap; }
.decors .legende { width: 100%; color: var(--sourd); font-size: 13px; margin-bottom: 2px; }

/* téléchargements */
.telechargements { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.telechargements .carte { display: flex; flex-direction: column; }
.telechargements .carte .bouton { margin-top: auto; align-self: flex-start; }
.telechargements small { color: var(--sourd); font-size: 12.5px; display: block; margin: 8px 0 16px; }
.terminal { margin-top: 24px; border: 1px solid var(--bordure); border-radius: 16px; background: rgba(3, 6, 14, .72); backdrop-filter: blur(10px); overflow: hidden; }
.terminal .titre { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--bordure); color: var(--sourd); font-size: 12.5px; }
.terminal .titre i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; } .terminal .titre i:nth-child(2) { background: #febc2e; } .terminal .titre i:nth-child(3) { background: #28c840; }
.terminal .titre span { margin-left: 6px; }
.terminal pre { margin: 0; border: 0; border-radius: 0; background: transparent; }
pre { background: rgba(3, 6, 14, .7); border: 1px solid var(--bordure); border-radius: 12px; padding: 14px 16px; overflow-x: auto; font-size: 13.5px; line-height: 1.55; }
pre code { color: #d7e3ff; }
pre .c { color: var(--sourd); }

/* le pied de page */
footer { position: relative; z-index: 1; border-top: 1px solid var(--bordure); background: rgba(5, 8, 16, .6); backdrop-filter: blur(10px); }
footer .dedans { max-width: var(--largeur); margin: 0 auto; padding: 44px var(--gouttiere) 36px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; color: var(--sourd); font-size: 13.5px; }
footer h4 { margin: 0 0 10px; color: var(--texte); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
footer a { color: var(--doux); display: block; padding: 3px 0; }
footer p { margin: 0 0 10px; }
footer .marque { display: flex; align-items: center; gap: 10px; color: var(--texte); font-weight: 800; font-size: 17px; margin-bottom: 10px; }
footer .marque img { width: 28px; height: 28px; border-radius: 8px; }
footer .bas { border-top: 1px solid var(--bordure); color: var(--sourd); font-size: 12.5px; text-align: center; padding: 16px var(--gouttiere); }
footer .bas a { display: inline; }

/* ── la documentation ─────────────────────────────────────────────────────── */
.doc { max-width: 1260px; margin: 0 auto; padding: 30px var(--gouttiere) 80px; display: grid; grid-template-columns: 260px 1fr; gap: 36px; }
.doc aside { position: sticky; top: 80px; align-self: start; max-height: calc(100vh - 96px); overflow-y: auto; padding-right: 8px; scrollbar-width: thin; }
.doc aside input { width: 100%; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--bordure); background: rgba(255, 255, 255, .05); color: var(--texte); font: inherit; font-size: 14px; margin-bottom: 12px; }
.doc aside a { display: block; padding: 5px 10px; border-radius: 8px; color: var(--doux); font-size: 14px; }
.doc aside a.h3 { padding-left: 22px; font-size: 13px; color: var(--sourd); }
.doc aside a:hover, .doc aside a.actif { background: rgba(255, 255, 255, .06); color: var(--texte); text-decoration: none; }
.doc aside a.actif { color: var(--accent); }
.prose { min-width: 0; background: var(--fond2); border: 1px solid var(--bordure); border-radius: 22px; padding: 10px 34px 40px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.prose h1 { font-size: 40px; letter-spacing: -.03em; }
.prose h2 { font-size: 28px; letter-spacing: -.02em; margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--bordure); }
.prose h3 { font-size: 20px; margin-top: 30px; }
.prose h2 a, .prose h3 a { color: inherit; }
.prose p, .prose li { color: #d3dcf3; }
.prose table { border-collapse: collapse; width: 100%; margin: 14px 0; font-size: 14.5px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--bordure); padding: 8px 10px; text-align: left; vertical-align: top; }
.prose th { background: rgba(255, 255, 255, .05); }
.prose td img, .prose th img { width: 170px; border-radius: 12px; }
.prose img { border-radius: 14px; }
.prose p[align="center"] img { display: inline-block; width: 180px; margin: 4px; }
.prose code:not(pre code) { background: rgba(255, 255, 255, .08); padding: 1px 6px; border-radius: 6px; font-size: 13.5px; }
.prose blockquote { margin: 14px 0; padding: 8px 16px; border-left: 3px solid var(--accent); background: rgba(47, 211, 201, .06); border-radius: 0 10px 10px 0; }
.prose hr { border: 0; border-top: 1px solid var(--bordure); margin: 30px 0; }
.prose pre { position: relative; }
.copier { position: absolute; top: 8px; right: 8px; padding: 4px 9px; border-radius: 8px; border: 1px solid var(--bordure); background: rgba(255, 255, 255, .06); color: var(--doux); font-size: 12px; cursor: pointer; }
.copier:hover { color: var(--texte); }

/* ── les petits écrans ────────────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .demo { gap: 24px; }
  .barre .dedans { grid-template-columns: auto 1fr auto; }
  .barre nav { display: none; }
  .barre .menu { display: grid; place-items: center; }
  .barre .actions a:not(.cta) { display: none; }
  .barre .tiroir { display: none; grid-column: 1 / -1; flex-direction: column; gap: 2px; padding: 6px 0 4px; }
  .barre .tiroir a { padding: 10px 12px; border-radius: 10px; color: var(--doux); font-weight: 600; }
  .barre .tiroir a:hover, .barre .tiroir a.actif { background: rgba(255, 255, 255, .07); color: var(--texte); text-decoration: none; }
  .barre.ouverte .tiroir { display: flex; }
  .scene { min-height: 0; margin-top: 14px; padding-bottom: 70px; }
  .scene .tel { width: 30vw; margin: 0 -10px; }
  .scene .tel.centre { width: 36vw; }
  .scene .tel::after { display: none; }
  footer .dedans { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  /* Le téléphone : les trois restent, en éventail serré. */
  .scene { padding-bottom: 84px; margin-top: 6px; }
  .scene .tel.gauche, .scene .tel.droite { display: block; width: 36vw; margin: 0 -15vw; }
  .scene .tel.centre { width: 50vw; }
  .scene::before { height: 70%; }
  /* Les grilles de cartes deviennent des bandes qu'on fait glisser : neuf
     cartes empilées, c'est un mur ; côte à côte, c'est un carrousel. */
  .cartes, .etapes, .telechargements { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; margin: 0 calc(-1 * var(--gouttiere)); padding: 18px var(--gouttiere) 14px; scrollbar-width: none; }
  .cartes::-webkit-scrollbar, .etapes::-webkit-scrollbar, .telechargements::-webkit-scrollbar { display: none; }
  .carte, .etape { flex: 0 0 78vw; scroll-snap-align: center; }
  .cartes.trois .carte { flex-basis: 68vw; }
  .telechargements .carte { flex-basis: 82vw; }
  .carte .ico { width: 40px; height: 40px; font-size: 21px; margin-bottom: 10px; }
  .carte p, .etape p { font-size: 14px; }
  .apparait { opacity: 1; transform: none; transition: none; }
  .indice { display: block; }
  :root { --gouttiere: 16px; }
  .heros { padding-top: 44px; }
  .heros .chiffres { border-radius: 20px; width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  .heros .chiffres div { border-right: 0; border-bottom: 1px solid var(--bordure); padding: 12px 14px; }
  .heros .chiffres div:nth-child(odd) { border-right: 1px solid var(--bordure); }
  .heros .chiffres div:nth-last-child(-n+2) { border-bottom: 0; }
  section { padding: 52px var(--gouttiere) 16px; }
  section .entete { grid-template-columns: 1fr; }
  .demo { grid-template-columns: 1fr; gap: 24px; }
  .telephone-video { max-width: 280px; }
  .galerie { grid-template-columns: repeat(2, 1fr); gap: 14px 10px; }
  .galerie.telephones { grid-template-columns: repeat(2, 1fr); }
  .etape:not(:last-child)::after { display: none; }
  footer .dedans { grid-template-columns: 1fr; }
  .doc { grid-template-columns: 1fr; }
  .doc aside { position: static; max-height: none; }
  .prose { padding: 6px 18px 30px; }
}