[hidden]{display:none!important}
*{box-sizing:border-box}html{scroll-behavior:auto}html,body{margin:0;background:#080a0e;color:var(--text,#f7f4ee);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{overflow-x:hidden}.world-shell{position:fixed;inset:0;overflow:hidden;background:#050607}.world-shell canvas{position:absolute;inset:0;width:100%;height:100%;display:block;outline:none}.world-grade,.world-grain{position:absolute;inset:0;pointer-events:none}.world-grade{z-index:2;background:radial-gradient(circle at 63% 42%,rgba(255,160,31,.08) 0%,rgba(255,160,31,.03) 20%,rgba(255,255,255,.02) 30%,transparent 55%),linear-gradient(180deg,rgba(255,255,255,.02),rgba(0,0,0,.18));}.world-grain{z-index:3;opacity:.014;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.93' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");mix-blend-mode:soft-light}.v4-hud{position:absolute;z-index:20;top:18px;left:22px;right:22px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;pointer-events:none}.v4-hud button{pointer-events:auto}.v4-brand{justify-self:start;display:flex;align-items:center;gap:10px;border:0;background:transparent;color:#f6f1e8;padding:6px 4px;cursor:pointer;font-weight:900;letter-spacing:.13em;font-size:11px}.v4-brand img{width:37px;height:37px;object-fit:contain;filter:drop-shadow(0 0 8px rgba(255,158,26,.42)) drop-shadow(0 10px 28px rgba(255,158,26,.16))}.v4-progress{justify-self:center;display:grid;grid-template-columns:auto auto;grid-template-areas:"index name" "dots dots";align-items:center;gap:2px 10px;padding:9px 14px 8px;border:1px solid rgba(255,165,40,.16);border-radius:16px;background:rgba(8,10,14,.48);backdrop-filter:blur(14px);box-shadow:0 0 0 1px rgba(255,255,255,.03),0 16px 44px rgba(0,0,0,.28)}.v4-progress span{grid-area:index;color:rgba(255,255,255,.48);font-size:9px;font-weight:900;letter-spacing:.16em}.v4-progress strong{grid-area:name;color:#f5f0e8;font-size:10px;letter-spacing:.14em}.v4-dots{grid-area:dots;display:flex;gap:5px;padding-top:5px}.v4-dots i{display:block;width:16px;height:2px;border-radius:99px;background:rgba(255,255,255,.16);transition:width .3s ease,background .3s ease}.v4-dots i.active{width:28px;background:linear-gradient(90deg,var(--accent,#ff9f1a),#fff2d6)}.v4-actions{justify-self:end;display:flex;align-items:center;gap:8px}.v4-actions button{border-radius:999px;padding:11px 14px;font-size:9px;font-weight:900;letter-spacing:.13em;cursor:pointer;transition:.22s ease}.v4-explore{border:1px solid rgba(255,255,255,.12);background:rgba(8,10,14,.38);color:#f4eee6;backdrop-filter:blur(12px)}.v4-idea{border:1px solid rgba(255,159,26,.55);background:rgba(255,159,26,.10);color:#ffd58c;box-shadow:0 0 0 1px rgba(255,159,26,.06), 0 0 28px rgba(255,159,26,.10) inset}.v4-actions button:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.24)}.v4-intro{position:absolute;z-index:12;left:max(6vw,40px);top:50%;transform:translateY(-50%);width:min(620px,43vw);pointer-events:none;transition:opacity .32s ease,transform .32s ease}.v4-intro>*{pointer-events:auto}.v4-intro small{display:block;margin-bottom:14px;color:var(--accent,#ff9f1a);font-weight:900;font-size:10px;letter-spacing:.24em;text-shadow:0 0 16px rgba(255,159,26,.25)}.v4-intro h1{margin:0;max-width:8.8ch;font-size:clamp(54px,6.45vw,94px);line-height:.88;letter-spacing:-.08em;text-wrap:balance;text-shadow:0 12px 48px rgba(0,0,0,.55)}.v4-intro p{margin:22px 0 0;max-width:520px;color:#d6ccb8;font-size:14px;line-height:1.62;text-shadow:0 4px 22px rgba(0,0,0,.45)}.v4-intro button{margin-top:26px;border:1px solid rgba(255,159,26,.52);background:rgba(6,8,12,.58);color:#fff4de;border-radius:999px;padding:15px 19px;font-size:10px;font-weight:900;letter-spacing:.15em;cursor:pointer;backdrop-filter:blur(12px);box-shadow:0 0 0 1px rgba(255,159,26,.05),0 0 22px rgba(255,159,26,.14)}.v4-intro button span{margin-left:10px}.v4-intro.hidden{opacity:0;transform:translateY(-50%) translateX(-24px);pointer-events:none}.v4-hint{position:absolute;z-index:12;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.45);font-size:8px;font-weight:900;letter-spacing:.18em;transition:opacity .35s}.v4-hint span{width:20px;height:32px;border:1px solid rgba(255,255,255,.24);border-radius:11px;position:relative}.v4-hint span:after{content:"";position:absolute;left:50%;top:6px;width:3px;height:6px;border-radius:5px;background:#fff;transform:translateX(-50%);animation:scrollDot 1.8s ease-in-out infinite}@keyframes scrollDot{0%,100%{transform:translate(-50%,0);opacity:.3}50%{transform:translate(-50%,10px);opacity:1}}.v4-hint.hidden{opacity:0}.v4-nav{position:fixed;inset:0;z-index:60;display:none}.v4-nav.open{display:block}.v4-nav-backdrop{position:absolute;inset:0;background:rgba(3,4,6,.62);backdrop-filter:blur(8px)}.v4-nav-panel{position:absolute;top:16px;right:16px;bottom:16px;width:min(470px,calc(100vw - 32px));padding:24px;border:1px solid rgba(255,255,255,.09);border-radius:28px;background:linear-gradient(180deg,rgba(15,17,22,.97),rgba(7,9,12,.97));box-shadow:0 30px 100px rgba(0,0,0,.45);overflow:auto}.v4-nav-head{display:flex;justify-content:space-between;align-items:center}.v4-nav-head small{color:#8f877a;font-size:9px;font-weight:900;letter-spacing:.2em}.v4-nav-head button{width:36px;height:36px;border:1px solid rgba(255,255,255,.09);border-radius:50%;background:rgba(255,255,255,.03);color:#fff;font-size:20px;cursor:pointer}.v4-nav-panel h2{margin:28px 0 20px;font-size:34px;letter-spacing:-.045em}.v4-nav-panel>button:not(.v4-nav-head button){width:100%;display:grid;grid-template-columns:46px 1fr;align-items:center;gap:10px;padding:17px 8px;border:0;border-top:1px solid rgba(255,255,255,.07);background:transparent;color:#f5efe7;text-align:left;cursor:pointer}.v4-nav-panel>button b{font-size:10px;color:var(--accent);letter-spacing:.15em}.v4-nav-panel>button span{font-size:13px;font-weight:900;letter-spacing:.04em}.v4-nav-panel>button small{display:block;margin-top:4px;color:#8f887d;font-size:11px;font-weight:500;letter-spacing:0}.v4-nav-panel>button:hover{background:rgba(255,255,255,.025)}.v4-loading{position:absolute;z-index:80;inset:0;display:flex;align-items:center;justify-content:center;gap:18px;background:#08090c;transition:opacity .5s ease,visibility .5s}.v4-loading.done{opacity:0;visibility:hidden}.v4-loading img{width:66px;height:66px;object-fit:contain}.v4-loading>div{width:min(310px,55vw)}.v4-loading b{display:block;font-size:11px;letter-spacing:.18em}.v4-loading small{display:block;margin-top:5px;color:#8f887b;font-size:10px}.v4-loading i{display:block;height:2px;margin-top:12px;background:rgba(255,255,255,.08);overflow:hidden}.v4-loading u{display:block;width:10%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .25s;text-decoration:none}.v4-error{position:absolute;z-index:90;inset:0;display:grid;place-items:center;align-content:center;text-align:center;padding:30px;background:#090a0d}.v4-error img{width:80px}.v4-error small{margin-top:20px;color:var(--accent);font-weight:900;letter-spacing:.2em}.v4-error h1{margin:12px 0 6px;font-size:clamp(32px,5vw,72px);letter-spacing:-.06em}.v4-error p{color:#a89f91}.v4-error button{margin-top:16px;border:1px solid rgba(244,177,28,.25);border-radius:999px;padding:13px 17px;background:rgba(244,177,28,.12);color:#f5d58b;font-weight:900;cursor:pointer}.scroll-track{position:relative;z-index:1;height:1050vh;pointer-events:none}.scroll-track section{height:105vh}
/* modal */
.modal{position:fixed;inset:0;z-index:100;display:none}.modal.open{display:grid;place-items:center}.modal-backdrop{position:absolute;inset:0;background:rgba(2,3,5,.72);backdrop-filter:blur(12px)}.idea-wizard{position:relative;z-index:1;width:min(720px,calc(100vw - 28px));max-height:calc(100vh - 28px);overflow:auto;padding:30px;border:1px solid rgba(255,255,255,.09);border-radius:30px;background:linear-gradient(180deg,#12141a,#090b0f);box-shadow:0 30px 100px rgba(0,0,0,.48)}.idea-wizard .close{position:absolute;right:18px;top:18px;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.09);background:rgba(255,255,255,.03);color:white;font-size:20px;cursor:pointer}.wizard-progress{height:2px;background:rgba(255,255,255,.08);margin-bottom:30px}.wizard-progress i{display:block;width:20%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .25s}.idea-wizard .step{display:none}.idea-wizard .step.active{display:block}.idea-wizard .step>small{color:var(--accent);font-size:10px;font-weight:900;letter-spacing:.18em}.idea-wizard h2{font-size:clamp(32px,5vw,54px);line-height:.96;letter-spacing:-.055em;margin:12px 0 28px}.idea-wizard label{display:block;color:#b9b0a3;font-size:12px;margin-bottom:10px}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choice-grid button,.idea-wizard input,.idea-wizard textarea,.idea-wizard .next,.idea-wizard .submit{border:1px solid rgba(255,255,255,.09);border-radius:15px;background:rgba(255,255,255,.035);color:#f4eee5;padding:15px;font:inherit}.choice-grid button{cursor:pointer;text-align:left;font-size:13px;font-weight:800}.choice-grid button:hover,.choice-grid button.selected{border-color:rgba(244,177,28,.38);background:rgba(244,177,28,.09)}.idea-wizard input,.idea-wizard textarea{width:100%;margin-bottom:12px;outline:none}.idea-wizard textarea{min-height:180px;resize:vertical}.idea-wizard .next,.idea-wizard .submit{display:block;margin:14px 0 0 auto;background:var(--accent);color:#08090c;font-size:11px;font-weight:900;letter-spacing:.12em;cursor:pointer}.consent{display:flex!important;gap:9px;align-items:flex-start}.consent input{width:auto!important;margin:2px 0 0!important}.form-status{margin-top:12px;color:#bcb2a3;font-size:12px}.hp{position:absolute!important;left:-10000px!important}.modal-open{overflow:hidden}
@media(max-width:800px){.v4-hud{left:12px;right:12px;top:10px;grid-template-columns:1fr auto}.v4-progress{display:none}.v4-brand span{display:none}.v4-actions{grid-column:2}.v4-explore{display:none}.v4-idea{padding:10px 11px}.v4-intro{left:18px;right:18px;top:auto;bottom:80px;transform:none;width:auto}.v4-intro.hidden{transform:translateX(-12px)}.v4-intro h1{font-size:clamp(44px,14vw,68px);max-width:9ch}.v4-intro p{font-size:13px;max-width:90%;line-height:1.55}.v4-hint{bottom:18px}.choice-grid{grid-template-columns:1fr}.idea-wizard{padding:22px;border-radius:22px}.scroll-track{height:1120vh}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition-duration:.01ms!important}}

.v4-error-detail{display:block;max-width:560px;margin:8px auto 0;color:#756f67!important;font-size:10px!important;letter-spacing:.04em!important}

/* V4.7 — présentation commerciale plus sobre */
.v4-intro small{letter-spacing:.18em;font-size:9px}.v4-intro button{background:rgba(9,10,12,.42);padding:12px 16px}.v4-hud{opacity:.94}.v4-progress{box-shadow:0 12px 32px rgba(0,0,0,.12)}.world-shell{background:#0b0e13}.v4-nav-panel h2{font-size:30px}.v4-nav-head small{color:#b7ad9e}.v4-loading b{color:#f5efe7}.v4-error-detail{opacity:.75}


/* V5.8 — finition premium + mobile dédié */
.world-shell{background:#020304}
.world-grade{background:radial-gradient(circle at 68% 45%,rgba(255,135,20,.045),transparent 31%),linear-gradient(180deg,rgba(255,255,255,.008),rgba(0,0,0,.16))}
.v4-intro{width:min(580px,40vw)}
.v4-intro h1{font-size:clamp(52px,5.7vw,88px);line-height:.91;max-width:9ch}
.v4-intro p{max-width:500px;color:#d7cec0}
.v4-intro button{border-color:rgba(255,159,26,.62);box-shadow:0 0 24px rgba(255,159,26,.09)}
.v4-brand img{filter:drop-shadow(0 0 9px rgba(255,145,22,.34))}
@media(max-width:980px),(orientation:portrait) and (max-width:1180px){
  .world-grade{background:linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,0,0,.24))}
  .v4-hud{left:10px;right:10px;top:8px}
  .v4-brand img{width:34px;height:34px}.v4-brand span{display:inline;font-size:9px;letter-spacing:.11em}
  .v4-idea{font-size:8px;padding:9px 10px}.v4-actions{gap:4px}
  .v4-intro{left:18px;right:18px;bottom:70px;top:auto;width:auto;max-width:none;padding:18px 0 0;background:linear-gradient(180deg,transparent,rgba(2,3,4,.70) 22%,rgba(2,3,4,.90));}
  .v4-intro small{font-size:8px;margin-bottom:9px}
  .v4-intro h1{font-size:clamp(40px,12.2vw,58px);line-height:.91;max-width:8.5ch}
  .v4-intro p{font-size:12px;line-height:1.48;max-width:88%;margin-top:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .v4-intro button{margin-top:16px;padding:12px 15px;font-size:9px}
  .v4-hint{bottom:12px;font-size:7px}
  .scroll-track{height:1180vh}
}


/* V5.8.1 — lisibilité intro + modernisation écrans */
.v4-intro{position:absolute;isolation:isolate}
.v4-intro::before{content:"";position:absolute;inset:-34px -34px -30px -34px;z-index:-1;pointer-events:none;background:radial-gradient(circle at 22% 42%, rgba(2,3,4,.82) 0%, rgba(2,3,4,.72) 28%, rgba(2,3,4,.54) 48%, rgba(2,3,4,.28) 66%, rgba(2,3,4,0) 82%);filter:blur(12px);}
.v4-intro h1,.v4-intro p,.v4-intro small{position:relative;text-shadow:0 4px 26px rgba(0,0,0,.78),0 1px 0 rgba(0,0,0,.35)}
.v4-intro p{color:#eee6db}
@media(max-width:800px){
  .v4-intro::before{inset:-20px -16px -18px -16px;filter:blur(8px);background:linear-gradient(180deg, rgba(2,3,4,0) 0%, rgba(2,3,4,.62) 18%, rgba(2,3,4,.88) 100%);}
}


/* V5.8.2 — homogénéisation visuelle / lisibilité */
.v4-intro{max-width:min(34vw,560px)}
.v4-intro::before{inset:-44px -42px -36px -48px;filter:blur(16px);background:radial-gradient(circle at 18% 42%, rgba(2,3,4,.90) 0%, rgba(2,3,4,.82) 28%, rgba(2,3,4,.62) 52%, rgba(2,3,4,.34) 70%, rgba(2,3,4,0) 84%);}
.v4-intro p{max-width:46ch;line-height:1.6}
.v4-screen-ui .station-copy,.v4-screen-ui .station-title{backdrop-filter:saturate(110%)}
@media (max-width: 980px){
  .v4-intro{max-width:min(100%,600px)}
  .v4-intro::before{inset:-16px -12px -16px -12px;filter:blur(9px);background:linear-gradient(180deg, rgba(2,3,4,.12) 0%, rgba(2,3,4,.56) 18%, rgba(2,3,4,.90) 100%);}
  .v4-intro p{max-width:none;line-height:1.55}
}

/* V5.8.3 — écrans 90 %, images cadrées et contours néon */
.world-shell canvas{filter:saturate(1.035) contrast(1.015)}

/* V5.8.4 — formulaire de contact explicite */
.idea-wizard .step>label:not(.consent){color:#d8d0c3;font-weight:750}.idea-wizard .step>label small{display:block;margin:5px 0 8px;color:#8e867a;font-size:10px;font-weight:500}.idea-wizard input:invalid:not(:placeholder-shown),.idea-wizard textarea:invalid:not(:placeholder-shown){border-color:rgba(255,103,94,.55)}

/* V5.8.5 — carrousels animés, particules et mobile */
.v4-intro::before{inset:-42px -44px -38px -48px;filter:blur(15px);background:radial-gradient(circle at 19% 42%,rgba(2,3,4,.70) 0%,rgba(2,3,4,.64) 30%,rgba(2,3,4,.48) 52%,rgba(2,3,4,.24) 70%,rgba(2,3,4,0) 85%)}
.v4-intro h1{letter-spacing:-.065em}

@media(max-width:980px),(orientation:portrait) and (max-width:1180px){
  html,body{overscroll-behavior-x:none}
  .world-shell{min-height:100svh}
  .world-shell canvas{filter:saturate(1.06) contrast(1.025);touch-action:pan-y}
  button{-webkit-tap-highlight-color:transparent}
  .world-grade{background:radial-gradient(circle at 50% 32%,rgba(255,145,24,.075),transparent 36%),linear-gradient(180deg,rgba(0,0,0,.03),rgba(0,0,0,.30))}
  .v4-hud{top:max(8px,env(safe-area-inset-top));left:10px;right:10px;grid-template-columns:1fr auto;gap:8px;align-items:center}
  .v4-brand{gap:7px;padding:3px 0;font-size:9px;letter-spacing:.105em}
  .v4-brand img{width:33px;height:33px}
  .v4-brand span{display:inline}
  .v4-actions{grid-column:2;gap:5px}
  .v4-actions button{min-height:36px;padding:9px 10px;font-size:7.5px;letter-spacing:.09em;display:inline-flex;align-items:center;justify-content:center;gap:4px}
  .v4-explore{display:inline-flex;background:rgba(5,7,10,.64);border-color:rgba(255,255,255,.16)}
  .v4-idea{padding-inline:11px;background:rgba(255,159,26,.15)}
  .v4-progress{display:flex;position:absolute;top:48px;left:50%;transform:translateX(-50%);width:max-content;max-width:calc(100vw - 24px);padding:7px 11px;border-radius:999px;gap:7px;background:rgba(3,5,8,.62);backdrop-filter:blur(12px)}
  .v4-progress span{font-size:7px;letter-spacing:.12em}
  .v4-progress strong{font-size:8px;letter-spacing:.10em;white-space:nowrap}
  .v4-dots{display:none}
  .v4-intro{left:12px;right:12px;top:auto;bottom:62px;width:auto;max-width:none;padding:18px 18px 17px;border:1px solid rgba(255,159,26,.22);border-radius:24px;background:rgba(2,3,4,.70);box-shadow:0 24px 70px rgba(0,0,0,.38),inset 0 0 34px rgba(255,159,26,.025);backdrop-filter:blur(12px);transform:none}
  .v4-intro::before{inset:-1px;border-radius:24px;filter:none;background:linear-gradient(135deg,rgba(255,159,26,.055),rgba(2,3,4,0) 44%,rgba(255,255,255,.018));opacity:1}
  .v4-intro small{margin-bottom:9px;font-size:7.5px;line-height:1.35;letter-spacing:.14em}
  .v4-intro h1{max-width:none;font-size:clamp(34px,10.5vw,50px);line-height:.93;letter-spacing:-.055em;text-wrap:balance}
  .v4-intro p{display:block;margin:13px 0 0;max-width:none;color:#f0e8dd;font-size:12.5px;line-height:1.5;-webkit-line-clamp:unset;overflow:visible}
  .v4-intro button{width:100%;margin-top:15px;padding:13px 14px;background:rgba(255,159,26,.13);font-size:8.5px}
  .v4-intro.hidden{transform:translateY(16px);opacity:0}
  .v4-hint{bottom:max(12px,env(safe-area-inset-bottom));font-size:6.5px;letter-spacing:.13em;white-space:nowrap}
  .v4-hint span{width:17px;height:27px}
  .v4-nav-panel{inset:8px;width:auto;padding:20px 18px max(20px,env(safe-area-inset-bottom));border-radius:24px}
  .v4-nav-panel h2{margin:20px 0 12px;font-size:28px}
  .v4-nav-panel>button:not(.v4-nav-head button){grid-template-columns:36px 1fr;padding:14px 6px}
  .v4-nav-head small{font-size:7.5px;letter-spacing:.14em}
  .modal.open{align-items:end}
  .idea-wizard{width:100%;max-height:92svh;padding:22px 18px max(22px,env(safe-area-inset-bottom));border-radius:25px 25px 0 0}
  .idea-wizard .close{position:sticky;z-index:3;float:right;right:0;top:0;margin:-4px -2px -36px 0;background:#17191e}
  .wizard-progress{margin:2px 48px 24px 0}
  .idea-wizard h2{font-size:clamp(30px,9vw,42px);margin:10px 0 22px}
  .choice-grid{grid-template-columns:1fr;gap:8px}
  .choice-grid button,.idea-wizard input,.idea-wizard textarea,.idea-wizard .next,.idea-wizard .submit{min-height:48px;border-radius:14px;padding:13px}
  .idea-wizard textarea{min-height:145px}
  .scroll-track{height:1180vh}
}

@media(max-width:380px){
  .v4-brand span{display:none}
  .v4-actions button{padding-inline:8px;font-size:7px}
  .v4-intro{padding:16px 15px 15px}
  .v4-intro h1{font-size:clamp(32px,10.5vw,40px)}
  .v4-intro p{font-size:11.5px}
}

@media(max-width:980px) and (max-height:620px){
  .v4-progress{display:none}
  .v4-intro{top:66px;bottom:auto;right:auto;width:min(68vw,480px);padding:14px 15px}
  .v4-intro h1{font-size:clamp(30px,7.3vw,42px);max-width:10ch}
  .v4-intro p{display:none}
  .v4-intro button{margin-top:12px;padding:11px}
  .v4-hint{right:12px;left:auto;transform:none}
}

/* V5.9.0 — affichages adaptatifs, navigation par écran et retour lumineux */
.v4-step-nav{position:absolute;z-index:24;left:22px;right:22px;bottom:20px;display:flex;justify-content:space-between;align-items:end;gap:16px;pointer-events:none}
.v4-step-nav button{pointer-events:auto;display:flex;align-items:center;gap:12px;min-width:170px;padding:11px 14px;border:1px solid rgba(255,159,26,.26);border-radius:17px;background:rgba(3,5,8,.66);color:#fff6e8;box-shadow:0 12px 38px rgba(0,0,0,.28),inset 0 0 24px rgba(255,159,26,.035);backdrop-filter:blur(14px);cursor:pointer;transition:transform .22s ease,border-color .22s ease,background .22s ease,opacity .22s ease}
.v4-step-nav button:hover{transform:translateY(-2px);border-color:rgba(255,180,68,.62);background:rgba(18,12,5,.76)}
.v4-step-nav button:focus-visible{outline:2px solid #ffad32;outline-offset:3px}
.v4-step-nav button:disabled{opacity:.24;cursor:default;transform:none}
.v4-step-nav span{display:grid;gap:2px;text-align:left}
.v4-step-next span{text-align:right}
.v4-step-nav small{font-size:6.5px;font-weight:850;letter-spacing:.17em;color:rgba(255,255,255,.48)}
.v4-step-nav strong{font-size:9px;letter-spacing:.105em;white-space:nowrap}
.v4-step-nav i{font-style:normal;font-size:19px;line-height:1;color:#ffb13c;text-shadow:0 0 14px rgba(255,153,25,.72)}

.v4-return-transition{position:fixed;inset:0;z-index:75;display:grid;place-items:center;overflow:hidden;pointer-events:none;visibility:hidden;opacity:0;background:radial-gradient(circle at 50% 50%,rgba(255,157,25,.22),rgba(3,4,6,.98) 38%,#020304 72%)}
.v4-return-transition i{position:absolute;width:20vmin;height:20vmin;border:2px solid rgba(255,181,67,.72);border-radius:50%;box-shadow:0 0 22px rgba(255,150,25,.72),inset 0 0 26px rgba(255,150,25,.28)}
.v4-return-transition b{position:relative;color:#fff5df;font-size:clamp(24px,5vw,58px);font-weight:950;letter-spacing:.22em;text-indent:.22em;text-shadow:0 0 12px #fff,0 0 34px rgba(255,160,25,.9)}
.v4-return-transition.active{visibility:visible;animation:v4ReturnHome .98s both}
.v4-return-transition.active i{animation:v4ReturnRing .98s cubic-bezier(.2,.72,.14,1) both}
.v4-return-transition.active b{animation:v4ReturnWord .98s ease both}
.world-shell.is-returning-home canvas{animation:v4WorldReturn .98s ease both}
@keyframes v4ReturnHome{0%{opacity:0}18%,72%{opacity:1}100%{opacity:0}}
@keyframes v4ReturnRing{0%{transform:scale(.15);opacity:0}28%{opacity:1}68%{transform:scale(8.5);opacity:.92}100%{transform:scale(15);opacity:0}}
@keyframes v4ReturnWord{0%,18%{opacity:0;transform:scale(.88);filter:blur(9px)}42%,62%{opacity:1;transform:scale(1);filter:blur(0)}100%{opacity:0;transform:scale(1.08);filter:blur(5px)}}
@keyframes v4WorldReturn{0%{transform:scale(1);filter:saturate(1.035) contrast(1.015)}38%{transform:scale(1.035);filter:saturate(1.3) brightness(1.18)}100%{transform:scale(1);filter:saturate(1.035) contrast(1.015)}}

@media(max-width:980px),(orientation:portrait) and (max-width:1180px){
  .v4-step-nav{left:10px;right:10px;bottom:max(9px,env(safe-area-inset-bottom));gap:8px;align-items:stretch}
  .v4-step-nav button{min-width:0;flex:0 1 47%;min-height:46px;padding:9px 11px;border-radius:15px;background:rgba(3,5,8,.80)}
  .v4-step-nav small{display:none}
  .v4-step-nav strong{font-size:8px;letter-spacing:.08em;overflow:hidden;text-overflow:ellipsis;max-width:31vw}
  .v4-step-nav i{font-size:18px}
  .v4-hint{display:none}
  .v4-intro{bottom:max(70px,calc(env(safe-area-inset-bottom) + 62px))}
}

@media(max-width:420px){
  .v4-brand span{display:none}
  .v4-actions button{font-size:6.8px;padding-inline:8px}
}

@media(prefers-reduced-motion:reduce){
  .v4-return-transition.active,.v4-return-transition.active i,.v4-return-transition.active b,.world-shell.is-returning-home canvas{animation-duration:.01ms!important}
  .v4-step-nav button{transition:none}
}

/* V5.16.0 — navigation centrale de la version 3D sur ordinateur */
.v4-hud{grid-template-columns:1fr auto}
.v4-actions{grid-column:2}
.v4-hint{display:none}
.v4-step-nav{left:50%;right:auto;bottom:18px;width:auto;transform:translateX(-50%);display:grid;grid-template-columns:52px minmax(178px,auto) 52px;align-items:center;gap:10px}
.v4-step-nav>button{width:52px;height:52px;min-width:52px;min-height:52px;padding:0;display:grid;place-items:center;border-radius:50%;background:rgba(3,5,8,.78);box-shadow:0 12px 38px rgba(0,0,0,.34),inset 0 0 25px rgba(255,159,26,.045)}
.v4-step-nav>button span{display:block;font-size:34px;font-weight:400;line-height:.78;color:#ffb13c;text-shadow:0 0 16px rgba(255,153,25,.68);transform:translateY(-1px)}
.v4-step-nav .v4-progress{position:static!important;left:auto!important;top:auto!important;transform:none!important;display:grid!important;width:auto;min-width:178px;height:52px;grid-template-columns:auto auto;grid-template-areas:"index name" "dots dots";align-items:center;justify-content:center;gap:2px 10px;padding:8px 15px 7px;border-radius:26px;background:rgba(3,5,8,.78);border-color:rgba(255,159,26,.24);box-shadow:0 12px 38px rgba(0,0,0,.34),inset 0 0 25px rgba(255,159,26,.035)}
.v4-step-nav .v4-progress span{grid-area:index;color:#fff8ec;font-size:9px;letter-spacing:.15em}
.v4-step-nav .v4-progress strong{grid-area:name;color:rgba(255,255,255,.72);font-size:8px;letter-spacing:.11em;white-space:nowrap}
.v4-step-nav .v4-dots{grid-area:dots;display:flex;justify-content:center;gap:4px;padding-top:4px}
.v4-step-nav .v4-dots i{width:10px;height:2px}
.v4-step-nav .v4-dots i.active{width:20px}

@media(max-width:980px),(orientation:portrait) and (max-width:1180px){
  .v4-step-nav{left:50%;right:auto;bottom:max(9px,env(safe-area-inset-bottom));grid-template-columns:46px 138px 46px;gap:7px;align-items:center}
  .v4-step-nav>button{width:46px;height:46px;min-width:46px;min-height:46px;flex:none;padding:0}
  .v4-step-nav>button span{font-size:31px;max-width:none}
  .v4-step-nav .v4-progress{min-width:0;width:138px;height:46px;padding:7px 10px 6px;gap:1px 6px}
  .v4-step-nav .v4-progress span{font-size:8px}
  .v4-step-nav .v4-progress strong{font-size:6.5px;max-width:72px;overflow:hidden;text-overflow:ellipsis}
  .v4-step-nav .v4-dots{gap:3px;padding-top:3px}
  .v4-step-nav .v4-dots i{width:7px}
  .v4-step-nav .v4-dots i.active{width:14px}
  .v4-intro{bottom:max(78px,calc(env(safe-area-inset-bottom) + 70px))}
}

/* V5.17.0 — pied de page, réseaux sociaux et informations légales */
.site-footer{position:fixed;z-index:36;left:50%;bottom:10px;width:min(1120px,calc(100vw - 32px));min-height:44px;padding:7px 10px 7px 16px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:20px;border:1px solid rgba(255,159,26,.27);border-radius:18px;background:rgba(3,5,8,.90);box-shadow:0 15px 48px rgba(0,0,0,.46),inset 0 0 28px rgba(255,159,26,.035);backdrop-filter:blur(16px);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,18px);transition:opacity .28s ease,transform .28s ease,visibility .28s}
.site-footer.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.site-footer-signature{justify-self:start;color:rgba(255,255,255,.52);font-size:8px;font-weight:850;letter-spacing:.13em;white-space:nowrap}
.site-footer-links{justify-self:center;display:flex;justify-content:center;align-items:center;gap:7px}
.site-footer a,.site-footer button{min-height:30px;padding:7px 10px;border:1px solid rgba(255,255,255,.09);border-radius:999px;background:rgba(255,255,255,.025);color:#efe6d9;font:inherit;font-size:8px;font-weight:850;letter-spacing:.09em;text-decoration:none;cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease}
.site-footer a:hover,.site-footer button:hover{border-color:rgba(255,174,49,.58);background:rgba(255,159,26,.08);color:#ffcf83}
.site-footer button{justify-self:end;color:#ffbd58;white-space:nowrap}
.site-footer .social-icon{width:34px;padding:6px;display:grid;place-items:center}
.social-icon svg{width:17px;height:17px;overflow:visible;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.social-icon .social-icon-dot,.social-icon .social-icon-play{fill:currentColor;stroke:none}
.social-icon[data-social="instagram"]:hover{color:#ff6b9e;border-color:rgba(255,107,158,.56);background:rgba(255,107,158,.09)}
.social-icon[data-social="tiktok"]:hover{color:#69c9d0;border-color:rgba(105,201,208,.56);background:rgba(105,201,208,.09)}
.social-icon[data-social="youtube"]:hover{color:#ff5d5d;border-color:rgba(255,93,93,.56);background:rgba(255,93,93,.09)}
body.site-footer-visible .v4-step-nav{bottom:67px}

.privacy-link{display:inline!important;width:auto!important;min-height:0!important;margin:0!important;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important;color:#ffb23f!important;font:inherit!important;text-decoration:underline;text-underline-offset:2px;cursor:pointer}

.legal-modal{position:fixed;z-index:160;inset:0;display:none;place-items:center;padding:16px}
.legal-modal.open{display:grid}
.legal-backdrop{position:absolute;inset:0;background:rgba(1,2,4,.82);backdrop-filter:blur(14px)}
.legal-panel{position:relative;z-index:1;width:min(980px,calc(100vw - 30px));max-height:calc(100dvh - 30px);display:grid;grid-template-rows:auto minmax(0,1fr) auto;overflow:hidden;border:1px solid rgba(255,159,26,.32);border-radius:28px;background:linear-gradient(155deg,rgba(17,15,12,.99),rgba(5,7,10,.99) 48%,rgba(8,6,3,.99));box-shadow:0 32px 120px rgba(0,0,0,.72),inset 0 0 54px rgba(255,159,26,.025);outline:none}
.legal-head{padding:24px 26px 20px;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;border-bottom:1px solid rgba(255,159,26,.16)}
.legal-head small{display:block;color:#ffad35;font-size:8px;font-weight:900;letter-spacing:.16em}
.legal-head h2{margin:7px 0 0;color:#fff9ef;font-size:clamp(27px,3.3vw,43px);line-height:1;letter-spacing:-.045em}
.legal-head>button{flex:0 0 auto;width:40px;height:40px;border:1px solid rgba(255,255,255,.12);border-radius:50%;background:rgba(255,255,255,.035);color:#fff;font-size:22px;cursor:pointer}
.legal-content{overflow:auto;padding:24px 26px 30px;display:grid;gap:12px;scrollbar-color:rgba(255,159,26,.42) transparent}
.legal-content section{padding:21px 22px;border:1px solid rgba(255,255,255,.075);border-radius:18px;background:rgba(255,255,255,.018)}
.legal-content h3{margin:0 0 12px;color:#ffc366;font-size:13px;letter-spacing:.075em;text-transform:uppercase}
.legal-content p{margin:0;color:#d5cec2;font-size:12px;line-height:1.72}
.legal-source{display:inline-flex;margin-top:14px;color:#ffb23f;font-size:10px;font-weight:800;letter-spacing:.035em;text-decoration:none}
.legal-source:hover{text-decoration:underline;text-underline-offset:3px}
.analytics-choice{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:15px}.analytics-choice button{min-height:36px;padding:9px 13px;border:1px solid rgba(255,159,26,.42);border-radius:999px;background:rgba(255,159,26,.08);color:#ffc56d;font-size:8px;font-weight:900;letter-spacing:.09em;cursor:pointer}.analytics-choice button:hover{background:rgba(255,159,26,.15)}.analytics-choice button:disabled{opacity:.52;cursor:not-allowed}.analytics-choice span{color:rgba(255,255,255,.52);font-size:9px;line-height:1.4}
.legal-foot{padding:13px 20px 13px 26px;display:flex;justify-content:space-between;align-items:center;gap:16px;border-top:1px solid rgba(255,159,26,.16);background:rgba(2,3,5,.72)}
.legal-foot span{color:rgba(255,255,255,.44);font-size:8px;font-weight:800;letter-spacing:.1em}
.legal-foot button{min-height:36px;padding:9px 15px;border:1px solid rgba(255,159,26,.4);border-radius:999px;background:rgba(255,159,26,.10);color:#ffd08a;font-size:8px;font-weight:900;letter-spacing:.12em;cursor:pointer}
body.legal-open{overflow:hidden}

html.mobile-lite-mode .site-footer{display:none!important}

@media(max-width:680px){
  .legal-modal{padding:0;place-items:end center}
  .legal-panel{width:100%;max-height:94dvh;border-radius:26px 26px 0 0;border-left:0;border-right:0;border-bottom:0}
  .legal-head{padding:20px 18px 16px;gap:12px}.legal-head h2{font-size:29px}.legal-head>button{width:38px;height:38px}
  .legal-content{padding:16px 14px 22px;gap:10px}.legal-content section{padding:17px 16px;border-radius:16px}.legal-content p{font-size:11.5px;line-height:1.67}
  .legal-foot{padding:11px 14px max(11px,env(safe-area-inset-bottom))}.legal-foot span{max-width:50%;line-height:1.45}.legal-foot button{min-height:38px}
}

@media(prefers-reduced-motion:reduce){.site-footer{transition:none}}

/* V5.21.0 — statistiques internes et présentation clarifiée */
.world-shell canvas{filter:none}
.v4-progress,.v4-explore,.v4-intro button{backdrop-filter:blur(7px)}
.v4-step-nav button,.v4-step-nav .v4-progress{backdrop-filter:blur(8px)}
.site-footer{backdrop-filter:blur(8px)}