:root{
  color-scheme:dark;
  --bg:#0d0e13;--panel:#161820;--surface:rgba(255,255,255,.03);--input-bg:rgba(255,255,255,.03);
  --track:rgba(255,255,255,.08);--ink:#EDEEF2;--ink2:#9498a6;--ink3:#5c6070;
  --brand:#2f5bff;--brand-ink:#fff;--brand-tint:rgba(47,91,255,.14);--hair:rgba(255,255,255,.09);
  --err:#ff6b6b;--err-ink:#ffb3b3;--err-bg:rgba(255,107,107,.12);
  --ok:#22c55e;--ok-ink:#9be7b4;--ok-bg:rgba(34,197,94,.12);--shadow:0 8px 30px rgba(0,0,0,.35);
  /* alias sémantiques (utilisés par des styles inline) — se recalculent avec le thème actif */
  --fg:var(--ink);--muted:var(--ink2);--card:var(--panel);--accent:var(--brand);
  --sys:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,sans-serif}

/* ── Thème CLAIR : suit le système par défaut, sauf choix manuel (bascule nav) ── */
@media (prefers-color-scheme: light){ :root:not([data-theme="dark"]){
  color-scheme:light;
  --bg:#f6f7fb;--panel:#ffffff;--surface:rgba(20,22,29,.035);--input-bg:#ffffff;
  --track:rgba(20,22,29,.09);--ink:#14161d;--ink2:#5a6172;--ink3:#8b93a4;
  --brand:#2f5bff;--brand-ink:#fff;--brand-tint:rgba(47,91,255,.09);--hair:rgba(20,22,29,.12);
  --err:#d92d20;--err-ink:#b42318;--err-bg:rgba(217,45,32,.08);
  --ok:#067647;--ok-ink:#067647;--ok-bg:rgba(6,118,71,.08);--shadow:0 6px 24px rgba(20,22,29,.10)} }
:root[data-theme="light"]{
  color-scheme:light;
  --bg:#f6f7fb;--panel:#ffffff;--surface:rgba(20,22,29,.035);--input-bg:#ffffff;
  --track:rgba(20,22,29,.09);--ink:#14161d;--ink2:#5a6172;--ink3:#8b93a4;
  --brand:#2f5bff;--brand-ink:#fff;--brand-tint:rgba(47,91,255,.09);--hair:rgba(20,22,29,.12);
  --err:#d92d20;--err-ink:#b42318;--err-bg:rgba(217,45,32,.08);
  --ok:#067647;--ok-ink:#067647;--ok-bg:rgba(6,118,71,.08);--shadow:0 6px 24px rgba(20,22,29,.10)}

/* ── Accessibilité : focus clavier visible + mouvement réduit respecté ── */
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important} }

/* Micro-interactions boutons + bouton de thème */
.btn{transition:filter .15s ease,border-color .15s ease,transform .05s ease}
.btn:hover{border-color:var(--brand)}
.btn-cta:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(1px)}
.theme-toggle{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--hair);background:var(--surface);color:var(--ink2);cursor:pointer;font-size:16px;line-height:1}
.theme-toggle:hover{color:var(--ink);border-color:var(--brand)}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sys);letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 22px;border-bottom:1px solid var(--hair)}
.brand{font-weight:800;font-size:18px}
.nav nav{display:flex;gap:18px;align-items:center}
.wrap{max-width:760px;margin:0 auto;padding:40px 22px 80px}
.btn{display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 20px;border-radius:12px;border:1px solid var(--hair);
  background:var(--surface);color:var(--ink);font-weight:600;font-family:var(--sys);cursor:pointer;font-size:15px}
.btn-cta{background:var(--brand);border-color:transparent;color:#fff}
.btn-ghost{background:transparent}
.hero h1{font-size:52px;line-height:1.03;font-weight:800;letter-spacing:-.03em;margin-bottom:18px}
.lead{color:var(--ink2);font-size:18px;line-height:1.5;margin-bottom:26px;max-width:60ch}
.fine{color:var(--ink3);font-size:13px;margin-top:14px}
.hero .btn-cta{height:52px;font-size:16px}
.pay,.builder,.apercu,.form-card{padding-top:10px}
.offres{display:flex;gap:16px;flex-wrap:wrap;margin-top:24px}
.offre{flex:1;min-width:220px;border:1px solid var(--hair);border-radius:16px;padding:22px;background:var(--panel)}
.montant{font-size:34px;font-weight:800}
.cadence{color:var(--ink2);margin:6px 0 16px}
.form-card{max-width:460px;border:1px solid var(--hair);border-radius:16px;padding:24px;background:var(--panel);margin-top:16px}
.lbl{display:block;color:var(--ink2);font-size:13px;font-weight:600;margin:14px 0 6px}
.input{width:100%;height:46px;padding:0 14px;border-radius:11px;border:1px solid var(--hair);
  background:var(--input-bg);color:var(--ink);font-family:var(--sys);font-size:15px;margin-bottom:6px}
textarea.input{height:auto;padding:12px 14px}
.err{color:var(--err);font-size:13px;margin:4px 0 8px}
h1{font-size:30px;font-weight:800;margin-bottom:12px}
h2{font-size:20px;margin:28px 0 10px}
.liste{list-style:none;display:flex;flex-direction:column;gap:8px}
.liste li{display:flex;justify-content:space-between;padding:12px 14px;border:1px solid var(--hair);border-radius:11px;background:var(--panel)}

/* ── landing marketing ── */
.pill{display:inline-block;background:var(--brand-tint);border:1px solid var(--hair);color:var(--ink2);
  font-size:13px;font-weight:700;padding:6px 13px;border-radius:99px;margin-bottom:20px;letter-spacing:.03em}
.sec{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink3);margin:60px 0 22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{border:1px solid var(--hair);border-radius:16px;padding:22px;background:var(--panel)}
.num{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:14px}
.step h3{font-size:18px;margin-bottom:8px}.step p{color:var(--ink2);font-size:15px;line-height:1.5;margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tier{border:1px solid var(--hair);border-radius:18px;padding:26px;background:var(--panel);position:relative}
.tier.best{border-color:var(--brand)}
.tier .montant{font-size:44px;font-weight:800}.tier .montant span{font-size:18px;color:var(--ink2);font-weight:600}
.tier p{color:var(--ink2);margin:8px 0 18px}
.tag{position:absolute;top:-11px;right:18px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 11px;border-radius:99px}
.qa{border-bottom:1px solid var(--hair);padding:16px 0}
.qa h3{font-size:16px;margin-bottom:6px}.qa p{color:var(--ink2);margin:0;line-height:1.5}
.cta-final{text-align:center;padding:70px 0 30px}
.cta-final h2{font-size:34px;font-weight:800;margin-bottom:20px}
.foot{max-width:760px;margin:0 auto;padding:30px 22px 50px;color:var(--ink3);font-size:13px;border-top:1px solid var(--hair)}
.foot a{color:var(--ink2)}
@media(max-width:680px){.grid3,.grid2{grid-template-columns:1fr}.hero h1{font-size:40px}}

/* messages flash */
.msgs{max-width:760px;margin:14px auto 0;padding:0 22px;display:flex;flex-direction:column;gap:8px}
.msg{padding:12px 14px;border-radius:11px;border:1px solid var(--hair);background:var(--panel);font-size:14px}
.msg.error{border-color:var(--err);color:var(--err-ink);background:var(--err-bg)}
.msg.success{border-color:var(--ok);color:var(--ok-ink);background:var(--ok-bg)}

/* barre de progression rendu */
.bar{height:10px;border-radius:99px;background:var(--track);overflow:hidden;margin-top:14px;max-width:420px}
.fill{height:100%;background:var(--brand);border-radius:99px;transition:width .5s ease}

/* galerie de templates + pills longueur */
.onboard{margin-bottom:22px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:6px}
.tpl input{position:absolute;opacity:0}
.tpl-card{display:block;border:1px solid var(--hair);border-radius:14px;padding:14px;background:var(--panel);cursor:pointer;height:100%}
.tpl input:checked + .tpl-card{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.tpl-nom{display:block;font-weight:700;font-size:15px;margin-bottom:6px}
.tpl-vibe{display:block;color:var(--ink2);font-size:12px;line-height:1.4}
.pills{display:flex;gap:8px;margin-bottom:6px}
.pill-r input{position:absolute;opacity:0}
.pill-r span{display:inline-block;padding:9px 16px;border-radius:99px;border:1px solid var(--hair);background:var(--panel);cursor:pointer;font-weight:600;font-size:14px}
.pill-r input:checked + span{border-color:var(--brand);color:#fff;background:var(--brand)}
@media(max-width:680px){.gallery{grid-template-columns:1fr}}

/* galerie de templates + longueur */
.tpl-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:6px}
.tpl{display:flex;flex-direction:column;gap:4px;border:1px solid var(--hair);border-radius:14px;padding:14px;cursor:pointer;background:var(--surface);position:relative}
.tpl.on{border-color:var(--brand);background:var(--brand-tint)}
.tpl input{position:absolute;opacity:0}
.tpl-name{font-weight:700;font-size:15px}
.tpl-vibe{color:var(--ink2);font-size:12px;line-height:1.35}
.tpl-music{color:var(--ink3);font-size:11px;text-transform:uppercase;letter-spacing:.06em;margin-top:2px}
.len-row{display:flex;gap:8px;margin-bottom:6px}
.len,.fmt{border:1px solid var(--hair);border-radius:11px;padding:10px 18px;cursor:pointer;font-weight:600;background:var(--surface)}
.len.on,.fmt.on{border-color:var(--brand);background:var(--brand-tint)}
.len input,.fmt input{position:absolute;opacity:0}
@media(max-width:680px){.tpl-gallery{grid-template-columns:1fr}}

.vig{width:34px;height:60px;object-fit:cover;border-radius:6px;vertical-align:middle;margin-right:8px}

/* ── Feuille modale mobile-first (offcanvas) : glisse depuis le bas ; carte centrée sur desktop ── */
.sheet-backdrop{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.5);
  display:flex;align-items:flex-end;justify-content:center;animation:sheet-fade .25s ease}
.sheet{width:100%;max-width:520px;background:var(--panel);color:var(--ink);
  border-radius:24px 24px 0 0;border-top:1px solid var(--hair);
  padding:8px 22px calc(30px + env(safe-area-inset-bottom));
  box-shadow:0 -12px 40px rgba(0,0,0,.28);animation:sheet-up .36s cubic-bezier(.2,.8,.2,1)}
.sheet .poignee{width:42px;height:4px;border-radius:99px;background:var(--hair);margin:8px auto 16px}
.sheet h1{font-size:24px;margin-bottom:8px}
.sheet .lead{font-size:15px;margin-bottom:18px}
.sheet .input{width:100%}
.sheet .btn{width:100%;justify-content:center;height:50px;margin-top:4px}
.sheet .btn-ghost{margin-top:8px}
.sheet .fine{text-align:center}
@keyframes sheet-up{from{transform:translateY(100%)}to{transform:none}}
@keyframes sheet-fade{from{opacity:0}to{opacity:1}}
@media(min-width:560px){
  .sheet-backdrop{align-items:center}
  .sheet{border-radius:20px;border:1px solid var(--hair);margin:0 18px;
    padding:28px 28px 30px;box-shadow:var(--shadow);animation:sheet-pop .3s ease}
  .sheet .poignee{display:none}
}
@keyframes sheet-pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}

/* ── Champ d'essai du hero (CTA direct) : rangée sur desktop, empilé sur mobile ── */
.essai{display:flex;gap:10px;flex-wrap:wrap;margin:8px 0 12px;max-width:560px}
.essai .input{flex:1;min-width:220px;margin:0;height:52px}
.essai .btn-cta{white-space:nowrap;height:52px}
.essai-center{margin-left:auto;margin-right:auto}
@media(max-width:520px){.essai{flex-direction:column}.essai .input,.essai .btn{width:100%}}

/* ── Timeline des segments (payants) : liste verticale mobile-first ── */
.tl-video{width:100%;max-width:340px;border-radius:16px;display:block;margin:8px 0 20px}
.tl-liste{list-style:none;display:flex;flex-direction:column;gap:10px;margin:14px 0 18px}
.tl-seg{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--hair);border-radius:14px;background:var(--panel)}
.tl-seg.tl-encours{border-color:var(--brand);background:var(--brand-tint)}
.tl-seg.tl-echec{border-color:var(--err)}
.tl-vig{width:44px;height:78px;object-fit:cover;border-radius:8px;background:var(--track);flex:none}
.tl-vig-vide{display:block}
.tl-infos{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}
.tl-infos .fine{margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tl-actions{display:flex;gap:6px;flex:none}
.tl-btn{width:42px;height:42px;padding:0;justify-content:center;font-size:16px}
.tl-btn:disabled{opacity:.35;cursor:default}
.tl-remonter{width:100%;justify-content:center;height:52px}
@media(min-width:560px){.tl-remonter{width:auto;padding:0 26px}}