/* VoxPilot : feuille de style unique */
:root{
  --bg:#08090d; --bg2:#0e1016; --card:#12141c; --line:#22262f;
  --ink:#f2f4f8; --dim:#9aa3b2; --dimmer:#6b7280;
  --acc:#3ee0c8; --acc2:#7c6cff;
  --grad:linear-gradient(100deg,#3ee0c8,#7c6cff 60%,#ff6fae);
  --r:16px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.muted{color:var(--dim)}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- header ---------- */
header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(8,9,13,.72);border-bottom:1px solid rgba(255,255,255,.06)}
.nav .in{display:flex;align-items:center;gap:26px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em;font-size:19px}
.logo .mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;color:#08090d;font-weight:900;font-size:15px}
.nav nav{display:flex;gap:22px;margin-left:auto}
.nav nav a{color:var(--dim);font-size:14.5px;font-weight:500}
.nav nav a:hover{color:var(--ink)}
.nav .act{display:flex;gap:10px;align-items:center}
@media(max-width:820px){.nav nav{display:none}}

/* ---------- boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:11px 18px;border-radius:11px;font:inherit;font-weight:600;font-size:15px;cursor:pointer;transition:.16s;white-space:nowrap}
.btn:hover{border-color:#39404f;transform:translateY(-1px)}
.btn.pri{background:var(--grad);color:#07080b;border:0}
.btn.pri:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent}
.btn.sm{padding:8px 13px;font-size:13.5px;border-radius:9px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:74px 0 60px}
.hero:before{content:"";position:absolute;inset:-30% 30% 40% -20%;background:radial-gradient(60% 60% at 40% 40%,rgba(62,224,200,.16),transparent 70%);pointer-events:none}
.hero:after{content:"";position:absolute;inset:20% -25% 30% 45%;background:radial-gradient(55% 55% at 55% 45%,rgba(124,108,255,.18),transparent 72%);pointer-events:none}
.hero .in{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid #2b3040;background:rgba(255,255,255,.03);color:#c9d1e0;font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;letter-spacing:.02em}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--acc);box-shadow:0 0 10px var(--acc)}
h1{font-size:clamp(34px,5vw,56px);line-height:1.05;letter-spacing:-.035em;margin:20px 0 18px;font-weight:800}
.lead{font-size:17.5px;color:#aeb6c4;max-width:33ch}
.hero .cta{display:flex;gap:12px;margin:28px 0 16px;flex-wrap:wrap}
.hero .micro{font-size:13px;color:var(--dimmer)}

/* carte demo */
.demo{background:linear-gradient(180deg,#141722,#0d0f16);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 30px 80px -30px rgba(0,0,0,.9)}
.demo h3{margin:0 0 3px;font-size:14px;font-weight:700;letter-spacing:.02em}
.demo .sub{font-size:12.5px;color:var(--dimmer);margin:0 0 16px}
.vox-list{display:flex;flex-direction:column;gap:9px}
.vox{display:flex;align-items:center;gap:12px;background:#0b0d13;border:1px solid #1e222c;border-radius:12px;padding:11px 13px;transition:.16s}
.vox:hover{border-color:#333a49}
.vox .av{width:36px;height:36px;border-radius:10px;background:linear-gradient(145deg,#242938,#171b25);display:grid;place-items:center;font-weight:800;font-size:13px;color:#cfd6e4;flex:none}
.vox .nm{font-weight:650;font-size:14px}
.vox .st{font-size:12px;color:var(--dim)}
.vox .pl{margin-left:auto;width:34px;height:34px;border-radius:50%;border:1px solid #30374a;background:#151a25;color:var(--acc);display:grid;place-items:center;cursor:pointer;flex:none;transition:.16s}
.vox .pl:hover{background:#1b2230;border-color:#3f4a63}
.vox .pl.on{background:var(--acc);color:#07080b;border-color:var(--acc)}

/* ---------- sections ---------- */
section{padding:72px 0}
section.alt{background:linear-gradient(180deg,#0a0c12,#08090d);border-top:1px solid rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.05)}
.shead{max-width:620px;margin:0 auto 46px;text-align:center}
.shead h2{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.03em;line-height:1.12;margin:0 0 12px;font-weight:800}
.shead p{color:var(--dim);font-size:16px;margin:0}
.kick{font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--acc);margin:0 0 12px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;position:relative}
.step .n{width:34px;height:34px;border-radius:10px;background:#1b2130;color:var(--acc);display:grid;place-items:center;font-weight:800;font-size:14px;margin-bottom:16px}
.step h3{margin:0 0 8px;font-size:17.5px;letter-spacing:-.015em}
.step p{margin:0;color:var(--dim);font-size:14.5px}

.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:980px){.grid{grid-template-columns:repeat(2,1fr)}}
.use{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:18px}
.use b{display:block;font-size:14.5px;margin-bottom:5px}
.use span{font-size:13px;color:var(--dimmer);line-height:1.45}

.voices{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:900px){.voices{grid-template-columns:1fr}}
.vcol h3{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--dim);margin:0 0 14px;font-weight:700}

/* ---------- auth ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:18px;background:rgba(4,5,8,.78);backdrop-filter:blur(6px)}
.modal.on{display:flex}
.sheet{background:#0f121a;border:1px solid #252b38;border-radius:18px;width:100%;max-width:420px;padding:28px;box-shadow:0 40px 90px -30px #000}
.sheet h2{margin:0 0 6px;font-size:23px;letter-spacing:-.02em}
.sheet .sub{margin:0 0 22px;color:var(--dim);font-size:14px}
.sheet label{display:block;font-size:13px;font-weight:600;color:#c3cad8;margin:0 0 6px}
.sheet input,.sheet select,.sheet textarea{width:100%;background:#0a0c12;border:1px solid #262c3a;color:var(--ink);border-radius:10px;padding:11px 13px;font:inherit;font-size:15px;margin-bottom:15px}
.sheet input:focus,.sheet textarea:focus,.sheet select:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(62,224,200,.12)}
.err{color:#ff8080;font-size:13.5px;min-height:20px;margin:0 0 10px}
.swap{text-align:center;font-size:13.5px;color:var(--dim);margin-top:14px}
.swap a{color:var(--acc);font-weight:600;cursor:pointer}

/* ---------- app ---------- */
.app{display:none;min-height:100vh}
.app.on{display:block}
.appbar{border-bottom:1px solid var(--line);background:#0a0c12}
.appbar .in{display:flex;align-items:center;gap:16px;height:64px}
.appbar .who{font-size:13px;color:var(--dim)}
.appbar .act{margin-left:auto;display:flex;gap:9px}
.pad{padding:34px 0 70px}
.phead{display:flex;align-items:flex-end;gap:18px;margin-bottom:26px;flex-wrap:wrap}
.phead h1{font-size:30px;margin:6px 0 0;letter-spacing:-.03em}
.phead .act{margin-left:auto}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:880px){.cards{grid-template-columns:1fr}}
.ac{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:12px;transition:.16s}
.ac:hover{border-color:#3a4356;transform:translateY(-2px)}
.ac .top{display:flex;align-items:center;gap:12px}
.ac .av{width:44px;height:44px;border-radius:12px;background:var(--grad);color:#07080b;display:grid;place-items:center;font-weight:900;font-size:16px}
.ac b{font-size:16.5px;letter-spacing:-.015em;display:block}
.ac .tag{font-size:12px;color:var(--dim)}
.ac .desc{font-size:13.5px;color:var(--dim);min-height:38px}
.ac .row{display:flex;gap:8px;margin-top:auto}
.empty{border:1px dashed #2b3242;border-radius:var(--r);padding:44px 24px;text-align:center;color:var(--dim)}

/* createur */
.wiz{max-width:640px;margin:0 auto}
.wiz .prog{display:flex;gap:6px;margin-bottom:26px}
.wiz .prog i{height:4px;flex:1;border-radius:99px;background:#1c212c}
.wiz .prog i.on{background:var(--grad)}
.wiz .step-h{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--acc);margin:0 0 8px}
.wiz h2{font-size:27px;letter-spacing:-.03em;margin:0 0 8px}
.wiz .hint{color:var(--dim);font-size:14.5px;margin:0 0 24px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:11px}
@media(max-width:640px){.opts{grid-template-columns:1fr}}
.opt{background:#10131b;border:1px solid #262c3a;border-radius:12px;padding:15px 16px;cursor:pointer;text-align:left;font:inherit;color:var(--ink);transition:.14s}
.opt:hover{border-color:#3b4457;background:#141824}
.opt.on{border-color:var(--acc);background:rgba(62,224,200,.07);box-shadow:0 0 0 3px rgba(62,224,200,.09)}
.opt b{display:block;font-size:15px;margin-bottom:3px}
.opt span{font-size:13px;color:var(--dim)}
.vopt{display:flex;align-items:center;gap:12px}
.vopt .pl{margin-left:auto;width:32px;height:32px;border-radius:50%;border:1px solid #30374a;background:#151a25;color:var(--acc);display:grid;place-items:center;cursor:pointer;flex:none}
.vopt .pl.on{background:var(--acc);color:#07080b;border-color:var(--acc)}
.wfoot{display:flex;gap:10px;margin-top:26px}
.wfoot .btn.pri{margin-left:auto}
.wiz textarea{background:#0a0c12;border:1px solid #262c3a;color:var(--ink);border-radius:11px;padding:12px 14px;font:inherit;width:100%;min-height:96px;resize:vertical}
.wiz textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(62,224,200,.12)}

/* page de conversation */
.talk{max-width:720px;margin:0 auto}
.talk .head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.talk .av{width:52px;height:52px;border-radius:15px;background:var(--grad);color:#07080b;display:grid;place-items:center;font-weight:900;font-size:19px}
.talk h1{font-size:22px;margin:0;letter-spacing:-.02em}
.talk .st{font-size:13px;color:var(--dim)}
.thread{background:#0b0d13;border:1px solid var(--line);border-radius:var(--r);padding:18px;min-height:330px;max-height:56vh;overflow:auto;display:flex;flex-direction:column;gap:12px}
.b{max-width:82%;padding:11px 14px;border-radius:14px;font-size:15px;line-height:1.5;animation:pop .18s ease-out}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.b.u{align-self:flex-end;background:#22283a;border-bottom-right-radius:5px}
.b.a{align-self:flex-start;background:#131a22;border:1px solid #1f2a33;border-bottom-left-radius:5px}
.b .who{font-size:11.5px;color:var(--acc);font-weight:700;display:block;margin-bottom:3px}
.speakbar{display:flex;gap:10px;align-items:center;margin-top:16px}
.mic{width:62px;height:62px;border-radius:50%;border:1px solid #2c3346;background:#141826;color:var(--ink);display:grid;place-items:center;cursor:pointer;flex:none;transition:.18s}
.mic:hover{border-color:#414b63}
.mic.rec{background:#e0483f;border-color:#e0483f;box-shadow:0 0 0 0 rgba(224,72,63,.55);animation:pulse 1.4s infinite}
@keyframes pulse{to{box-shadow:0 0 0 18px rgba(224,72,63,0)}}
.tinput{flex:1;display:flex;gap:9px}
.tinput input{flex:1;background:#0b0d13;border:1px solid #262c3a;color:var(--ink);border-radius:12px;padding:13px 15px;font:inherit}
.tinput input:focus{outline:none;border-color:var(--acc)}
.lvl{height:5px;border-radius:99px;background:#1a1f2a;overflow:hidden;margin-top:10px}
.lvl i{display:block;height:100%;width:0;background:var(--grad);transition:width .07s}
.tip{font-size:12.5px;color:var(--dimmer);margin:12px 0 0;text-align:center}

footer{border-top:1px solid rgba(255,255,255,.06);padding:34px 0;color:var(--dimmer);font-size:13px}
footer .in{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
footer .act{margin-left:auto;display:flex;gap:16px}
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);background:#171c28;border:1px solid #2c3346;color:var(--ink);padding:12px 18px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:.22s;z-index:300}
.toast.on{opacity:1;transform:translateX(-50%)}