/* Biootopia — landing d'inscription.
   Maquette Figma « LP Inscription » (1440 px) et charte Biootopia :
   Clash Display pour les titres, Urbanist pour les textes. */

@font-face{font-family:"Clash Display";src:url(/assets/fonts/clash-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Clash Display";src:url(/assets/fonts/clash-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Clash Display";src:url(/assets/fonts/clash-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Urbanist";src:url(/assets/fonts/urbanist.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Urbanist";src:url(/assets/fonts/urbanist-italique.woff2) format("woff2");font-weight:100 900;font-style:italic;font-display:swap}

:root{
  color-scheme:light;
  --creme:#F6EFE5;
  --papier:#FEFDFB;
  --papier-2:#FEFCF7;
  --encre:#212121;
  --encre-douce:#4A4440;
  --orange:#FF6D29;
  --orange-fonce:#E5561D;
  --bleu:#97B5E7;
  --bleu-pale:#D9EAFC;
  --bleu-texte:#6E8CC6;
  --rose:#EEB4CD;
  --jaune:#F8E296;
  --jaune-texte:#775A1C;
  --prune:#8A3974;
  --brique:#931D0D;
  --peche:#FFD5A9;
  --f-titre:"Clash Display","Urbanist",ui-sans-serif,system-ui,sans-serif;
  --f-texte:"Urbanist",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --gouttiere:clamp(20px,5.8vw,84px);
  --rayon:20px;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--creme);color:var(--encre);font-family:var(--f-texte);font-size:1rem;line-height:1.5;letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{font-family:var(--f-titre);font-weight:400;line-height:1.15;letter-spacing:-.01em;text-wrap:balance}
p{text-wrap:pretty}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
strong,b{font-weight:700}
.orange{color:var(--orange)}
.centre{text-align:center}
.nowrap{white-space:nowrap}
.cache{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.evitement{position:absolute;left:-9999px;top:8px;background:var(--encre);color:var(--creme);padding:.6rem 1rem;border-radius:999px;z-index:100}
.evitement:focus{left:8px}
:focus-visible{outline:2px solid var(--encre);outline-offset:3px;border-radius:8px}

.bloc{max-width:calc(1272px + 2*var(--gouttiere));margin-inline:auto;padding-inline:var(--gouttiere)}
.section{padding-block:clamp(4.5rem,9vw,7.5rem)}
h2{font-size:clamp(2rem,3.6vw,3rem)}

/* ── boutons ─────────────────────────────────────────── */
.bouton{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:2.25rem;padding:.5rem 1.85rem;border-radius:999px;border:0;font-family:var(--f-texte);font-weight:500;font-size:.95rem;letter-spacing:.02em;cursor:pointer;text-decoration:none;transition:transform .2s,background-color .2s,box-shadow .2s;white-space:nowrap}
.bouton:hover{transform:translateY(-2px)}
.bouton:active{transform:translateY(0)}
.bouton-creme{background:var(--creme);color:var(--encre)}
.bouton-creme:hover{background:#fff;box-shadow:0 12px 30px -16px rgba(0,0,0,.45)}
.bouton-orange{background:var(--orange);color:var(--papier)}
.bouton-orange:hover{background:var(--orange-fonce)}
.bouton-jaune{background:var(--jaune);color:var(--jaune-texte)}
.bouton-jaune:hover{background:#FBEAAE}
.bouton-petit{min-height:2.25rem;padding:.45rem 1.85rem}

/* ── en-tête et barre ─────────────────────────────────── */
.entete{position:absolute;top:0;left:0;right:0;z-index:20;padding-top:env(safe-area-inset-top,0px)}
.entete-in{display:flex;align-items:center;justify-content:space-between;min-height:8.5rem}
.logo img{width:clamp(130px,13vw,183px)}
.barre{position:fixed;top:0;left:0;right:0;z-index:30;background:color-mix(in srgb,var(--creme) 92%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(33,33,33,.08);transform:translateY(-110%);transition:transform .35s ease;padding-top:env(safe-area-inset-top,0px)}
.barre.visible{transform:none}
.barre-in{display:flex;align-items:center;justify-content:space-between;min-height:4rem}
.barre .logo img{width:120px}

/* ── 1 · hero ─────────────────────────────────────────── */
.hero{position:relative;overflow:hidden;color:var(--creme);background:#F59A6A url(/assets/img/hero-fond.jpg) center/cover no-repeat;min-height:min(100svh,58.6vw);min-height:clamp(40rem,58.6vw,56rem)}
.hero::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.18;mix-blend-mode:soft-light;pointer-events:none}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr);min-height:inherit;padding-top:10.5rem;padding-bottom:4rem}
.hero-texte{max-width:43rem;display:grid;gap:1.5rem;align-content:start;position:relative;z-index:2}
.surtitre-hero{font-style:italic;font-weight:300;font-size:.9rem;opacity:.95}
.hero h1{font-weight:500;font-size:clamp(2.5rem,4.35vw,3.9rem);line-height:1.1;letter-spacing:-.015em;margin-top:1.4rem;text-wrap:balance}
.hero-chapo{font-size:1.05rem;line-height:1.5;max-width:40rem}
.hero-action{display:grid;gap:.9rem;justify-items:start;margin-top:1.5rem}
.note{font-style:italic;font-weight:300;font-size:.78rem;line-height:1.4;max-width:17.5rem}
.note strong{font-weight:700}
.hero-visuel{position:absolute;z-index:1;right:max(0px,calc((100vw - 1440px)/2));bottom:0;width:min(55.2%,795px);pointer-events:none}
.hero-visuel img{width:100%;height:auto}

/* ── 2 · chiffres ─────────────────────────────────────── */
.chiffres{background:var(--orange);color:var(--creme)}
.chiffres-in{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding-block:2.6rem 3rem;text-align:center}
.chiffres li{font-family:var(--f-titre);font-weight:400;font-size:clamp(1.15rem,1.75vw,1.55rem);line-height:1.25}
.chiffres li b{display:block;font-weight:400}

/* ── 3 · la vitalité ──────────────────────────────────── */
.vitalite-in{display:grid;grid-template-columns:minmax(0,484fr) minmax(0,704fr);gap:clamp(2rem,4.7vw,4.25rem);align-items:center}
.vitalite-photo img{width:100%;aspect-ratio:484/592;object-fit:cover}
.vitalite-texte{display:grid;gap:1.4rem;justify-items:start}
.vitalite-texte h2{font-size:clamp(2rem,3.25vw,2.75rem);margin-bottom:.4rem}
.vitalite-texte p{font-size:1rem;line-height:1.5}
.vitalite-texte .bouton{margin-top:.6rem}

/* ── 4 · le format ────────────────────────────────────── */
.format{padding-top:clamp(2rem,4vw,3rem)}
.cartes-format{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2.5rem 3.5rem;max-width:802px;margin:4.25rem auto 0}
.carte{background:var(--papier);border-radius:var(--rayon)}
.cartes-format .carte{padding:2rem 1.25rem 2.1rem;display:grid;gap:.8rem;align-content:start;min-height:9.25rem}
.cartes-format .carte img{width:30px}
.cartes-format p{font-size:.92rem;line-height:1.45}
.pastilles{display:flex;flex-wrap:wrap;justify-content:center;gap:.9rem 1rem;max-width:802px;margin:5.5rem auto 0}
.pastilles li{font-family:var(--f-titre);font-weight:500;font-size:1rem;padding:.55rem 2.5rem;border-radius:999px;flex:1 1 auto;text-align:center}
.p-mobilite{background:var(--orange);color:var(--papier)}
.p-nutrition{background:var(--bleu-pale);color:var(--bleu-texte)}
.p-sommeil{background:var(--prune);color:var(--papier)}
.p-respiration{background:var(--jaune);color:var(--jaune-texte)}
.p-force{background:var(--brique);color:var(--papier)}
.p-performance{background:var(--rose);color:var(--papier)}
.p-medecines{background:var(--peche);color:var(--orange)}
.p-longevite{background:var(--bleu);color:var(--papier)}

/* ── 5 · les experts ──────────────────────────────────── */
.experts{background:var(--bleu);color:var(--papier)}
.experts-tete{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:2rem 6rem;align-items:start}
.experts-tete h2{font-size:clamp(2rem,3.25vw,2.75rem)}
.experts-intro{display:grid;gap:1.1rem;justify-items:start;padding-top:.3rem}
.experts-intro p{font-size:.92rem;line-height:1.45}
.cartes-experts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1.6rem;margin-top:4.25rem;color:var(--encre)}
.cartes-experts .carte{padding:1.9rem 1.25rem 1.6rem;display:grid;gap:.25rem;align-content:start}
.cartes-experts img{height:22px;width:auto;margin-bottom:1rem}
.cartes-experts h3{font-family:var(--f-texte);font-weight:600;font-size:1rem;line-height:1.5;letter-spacing:.01em}
.cartes-experts p{font-size:.9rem;line-height:1.5}

/* ── 5 bis · déjà à bord ──────────────────────────────── */
.a-bord-tete{display:grid;gap:1rem;justify-items:center;text-align:center;max-width:44rem;margin-inline:auto}
.surtitre{font-style:italic;font-weight:300;font-size:.95rem;color:var(--orange)}
.a-bord-tete p:not(.surtitre){font-size:1rem;line-height:1.5;text-wrap:balance}
.bulles{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:3.2rem 1.5rem;margin-top:4.25rem}
.bulle{display:flex;flex-direction:column;align-items:center;text-align:center;gap:.25rem}
.js .bulle.apparait{transition-delay:calc(var(--n,0) * 70ms)}
.bulle-photo{width:min(100%,176px);aspect-ratio:1;border-radius:50%;clip-path:circle(50%);background:var(--c,var(--peche));margin-bottom:.85rem;box-shadow:inset 0 -18px 30px -24px rgba(33,33,33,.35)}
.bulle-photo img{width:100%;height:100%;object-fit:cover;transform-origin:50% 70%;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.bulle:hover .bulle-photo img{transform:scale(1.07)}
.bulle:nth-child(6n+1){--c:var(--orange)}
.bulle:nth-child(6n+2){--c:var(--bleu)}
.bulle:nth-child(6n+3){--c:var(--rose)}
.bulle:nth-child(6n+4){--c:var(--jaune)}
.bulle:nth-child(6n+5){--c:var(--peche)}
.bulle:nth-child(6n+6){--c:var(--bleu-pale)}
.bulle b{font-family:var(--f-titre);font-weight:500;font-size:1.08rem;line-height:1.2;text-wrap:balance}
.specialite{font-size:.9rem;line-height:1.35;color:var(--encre);text-wrap:balance;max-width:13rem;margin-bottom:.45rem}
.abonnes{display:inline-flex;align-items:center;gap:.35rem;margin-top:auto;padding:.2rem .7rem;border-radius:999px;background:var(--papier);font-size:.8rem;font-weight:600;color:var(--encre-douce);white-space:nowrap}
.abonnes::before{content:"";flex:none;width:.95em;height:.95em;background:var(--orange);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.2'%3E%3Crect x='3' y='3' width='18' height='18' rx='5.5'/%3E%3Ccircle cx='12' cy='12' r='4.2'/%3E%3Ccircle cx='17.4' cy='6.6' r='.4' fill='%23000'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.2'%3E%3Crect x='3' y='3' width='18' height='18' rx='5.5'/%3E%3Ccircle cx='12' cy='12' r='4.2'/%3E%3Ccircle cx='17.4' cy='6.6' r='.4' fill='%23000'/%3E%3C/svg%3E") center/contain no-repeat}
.a-bord-note{margin-top:4rem;text-align:center;font-style:italic;font-weight:300;font-size:.95rem}
.a-bord-note b{font-weight:700}

/* ── 6 · construis-le avec nous ───────────────────────── */
.construire h2{font-size:clamp(2rem,3.6vw,3rem)}
.logo-texte{display:inline-block;height:.78em;width:auto;vertical-align:-.04em;margin-right:.08em}
.construire-intro{max-width:43rem;margin:1.6rem auto 0;font-size:1rem}
.pile{position:relative;max-width:595px;margin:5rem auto 0;display:grid;gap:7rem}
.pile-fin{height:6rem}
.etape{position:sticky;top:calc(6rem + var(--i) * 18px);display:grid;grid-template-columns:auto minmax(0,1fr);gap:1.4rem;align-items:center;min-height:5.4rem;padding:1.1rem 1.6rem;border-radius:12px;color:var(--papier);box-shadow:0 -10px 24px -18px rgba(33,33,33,.35)}
.etape .num{font-family:var(--f-titre);font-weight:400;font-size:2.9rem;line-height:1}
.etape b{display:block;font-size:1rem;line-height:1.4}
.etape span:not(.num){display:block;font-size:.88rem;line-height:1.45;opacity:.95}
.e-orange{background:var(--orange)}
.e-bleu{background:var(--bleu)}
.e-rose{background:var(--rose)}
.e-jaune{background:var(--jaune);color:var(--jaune-texte)}
.habitants{margin-top:0;font-family:var(--f-titre);font-size:clamp(1.15rem,1.75vw,1.5rem);line-height:1.3}
.habitants b{font-weight:600}

/* ── 7 · pour toi si ──────────────────────────────────── */
.pour-toi{padding-top:clamp(3rem,6vw,5rem)}
.pour-toi-in{display:grid;grid-template-columns:minmax(0,706fr) minmax(0,484fr);gap:clamp(2rem,4.7vw,4.2rem);align-items:center}
.pour-toi-texte{display:grid;gap:2.2rem;justify-items:start}
.pour-toi-texte h2{font-size:clamp(2rem,3.25vw,2.75rem)}
.liste-infini{display:grid;gap:1.15rem}
.liste-infini li{position:relative;padding-left:2.6rem;font-size:1rem;line-height:1.5}
.liste-infini li::before{content:"";position:absolute;left:0;top:.35em;width:27px;height:13px;background:url(/assets/img/infini-orange.svg) center/contain no-repeat}
.pour-toi-photo img{width:100%;aspect-ratio:484/376;object-fit:cover;object-position:50% 30%}

/* ── 8 · ce n'est que le début ────────────────────────── */
.debut{background:var(--jaune);margin-top:clamp(3rem,6vw,5rem)}
.cartes-debut{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.6rem;max-width:1082px;margin:4.25rem auto 0}
.cartes-debut .carte{padding:3.6rem 1.5rem 3.4rem;text-align:center;display:grid;gap:.45rem}
.cartes-debut h3{font-weight:500;font-size:clamp(1.3rem,1.75vw,1.55rem)}
.cartes-debut p{font-size:.88rem}
.debut-fin{margin-top:7rem;font-family:var(--f-titre);font-size:clamp(1.15rem,1.75vw,1.5rem);line-height:1.3}
.debut-fin b{font-weight:600}

/* ── 9 · dernier appel ────────────────────────────────── */
.appel{position:relative;overflow:hidden;color:var(--creme);background:#F59A6A url(/assets/img/hero-fond.jpg) center 40%/cover no-repeat}
.appel::after{content:"";position:absolute;inset:0;background-image:var(--grain);opacity:.18;mix-blend-mode:soft-light;pointer-events:none}
.appel-in{position:relative;z-index:1;display:grid;gap:1.1rem;justify-items:center;text-align:center;padding-block:clamp(5rem,9vw,7rem)}
.appel h2{font-size:clamp(2.2rem,3.6vw,3rem)}
.appel p{max-width:33rem;font-size:1rem;line-height:1.5}
.appel .bouton{margin-top:1.6rem}

/* ── 10 · questions ───────────────────────────────────── */
.faq-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,595px);gap:3rem;align-items:start}
.faq h2{font-size:clamp(2.2rem,3.6vw,3rem);padding-left:.7rem}
.questions{display:grid;gap:1.15rem}
.questions details{background:var(--papier-2);border-radius:12px;transition:background-color .25s,color .25s}
.questions summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.05rem 2rem;font-weight:700;font-size:1rem}
.questions summary::-webkit-details-marker{display:none}
.questions summary::after{content:"";flex:none;width:12px;height:12px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-3px) rotate(45deg);transition:transform .25s}
.questions details[open]{background:var(--orange);color:var(--papier)}
.questions details[open] summary{padding-bottom:.35rem}
.questions details[open] summary::after{transform:translateY(3px) rotate(-135deg)}
.questions details p{padding:0 2rem 1.15rem;font-size:.92rem;line-height:1.5}

/* ── pied ─────────────────────────────────────────────── */
.pied{background:var(--orange);color:var(--papier);display:grid;justify-items:center;gap:1.4rem;padding:3rem var(--gouttiere) calc(3rem + env(safe-area-inset-bottom,0px));font-size:.92rem}
.pied img{width:76px}

/* ── apparitions ──────────────────────────────────────── */
.js .apparait{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.js .apparait.vu{opacity:1;transform:none}

/* ── tablette ─────────────────────────────────────────── */
@media (max-width:1100px){
  .cartes-experts{grid-template-columns:repeat(3,minmax(0,1fr))}
  .experts-tete{gap:2rem 3rem}
  .bulles{grid-template-columns:repeat(4,minmax(0,1fr))}
  .hero-visuel{width:min(62%,700px);opacity:.95}
}

/* ── mobile ───────────────────────────────────────────── */
@media (max-width:820px){
  .entete-in{min-height:5.5rem}
  .hero{min-height:0}
  .hero-in{padding-top:7.5rem;padding-bottom:0;gap:1rem}
  .hero h1{margin-top:.6rem;font-size:clamp(2.1rem,9vw,2.6rem)}
  .hero-visuel{position:relative;right:auto;width:calc(100% + 2*var(--gouttiere));max-width:none;margin:0 calc(-1*var(--gouttiere));justify-self:center}
  .chiffres-in{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.6rem 1rem;padding-block:2.2rem}
  .vitalite-in,.pour-toi-in,.experts-tete,.faq-in{grid-template-columns:minmax(0,1fr)}
  .vitalite-photo img{aspect-ratio:4/3;object-position:50% 40%}
  .cartes-format{grid-template-columns:minmax(0,1fr);gap:1rem;margin-top:2.5rem}
  .cartes-format .carte{min-height:0;padding:1.5rem 1.25rem}
  .pastilles{margin-top:3rem;gap:.6rem}
  .pastilles li{padding:.5rem 1.4rem;font-size:.95rem;flex:0 1 auto}
  .cartes-experts{grid-template-columns:minmax(0,1fr);gap:.9rem;margin-top:2.5rem}
  .cartes-experts .carte{padding:1.4rem 1.25rem}
  .cartes-experts img{margin-bottom:.6rem}
  .bulles{grid-template-columns:repeat(3,minmax(0,1fr));gap:2.2rem .9rem;margin-top:2.75rem}
  .bulle-photo{margin-bottom:.6rem}
  .bulle b{font-size:.95rem}
  .specialite{font-size:.82rem}
  .abonnes{font-size:.7rem;padding:.15rem .5rem;gap:.25rem}
  .a-bord-note{margin-top:2.75rem}
  .pile{margin-top:3rem;gap:5rem}
  .pile-fin{height:4rem}
  .etape{top:calc(5rem + var(--i) * 14px);gap:1rem;padding:1rem 1.2rem}
  .etape .num{font-size:2.3rem}
  .habitants{margin-top:0}
  .pour-toi-photo{order:-1}
  .cartes-debut{grid-template-columns:minmax(0,1fr);gap:.9rem;margin-top:2.5rem}
  .cartes-debut .carte{padding:2rem 1.25rem}
  .debut-fin{margin-top:3.5rem}
  .faq h2{padding-left:0}
  .questions summary{padding:1rem 1.25rem}
  .questions details p{padding:0 1.25rem 1.1rem}
  .construire h2 br,.format h2 br,.experts h2 br{display:none}
}
@media (max-width:420px){
  .bouton{padding-inline:1.4rem}
  .hero .bouton-creme{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
  .js .apparait{opacity:1;transform:none}
}