:root{
  --ink:#0A0818;
  --ink-2:#12102A;
  --ink-3:#1B1740;
  --bone:#EFE9E1;
  --muted:#9A91B8;
  --a:#FF3D77;          /* brin A */
  --b:#34E1FF;          /* brin B */
  --amber:#FFC46B;
  --line:rgba(239,233,225,.12);
  --radius:14px;
  --display:"Unbounded",system-ui,sans-serif;
  --body:"Manrope",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--bone);
  font-family:var(--body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
#bg{position:fixed;inset:0;z-index:0;pointer-events:none}
.wrap{position:relative;z-index:1;max-width:1180px;margin:0 auto;padding:0 22px}
a{color:var(--b);text-decoration:none;border-bottom:1px solid rgba(52,225,255,.3)}
a:hover{border-bottom-color:var(--b)}
:focus-visible{outline:2px solid var(--b);outline-offset:3px;border-radius:6px}

/* ---------- en-tête ---------- */
.top{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);
  background:linear-gradient(to bottom,rgba(10,8,24,.92),rgba(10,8,24,.6));
  border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:11px;border:0}
.brand svg{width:38px;height:38px;flex:none}
.brand b{font-family:var(--display);font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--bone)}
.chip-gd{font-family:var(--mono);font-size:12px;padding:2px 7px;border-radius:6px;
  background:linear-gradient(120deg,var(--a),var(--b));color:#0A0818;font-weight:500}
.nav{margin-left:auto;display:flex;gap:26px;align-items:center}
.nav a{color:var(--muted);border:0;font-size:14.5px;font-weight:500}
.nav a:hover{color:var(--bone)}
@media(max-width:860px){.nav{display:none}}

/* ---------- boutons ---------- */
.btn{font-family:var(--body);font-weight:700;font-size:15px;cursor:pointer;
  border-radius:10px;padding:13px 22px;border:1px solid transparent;transition:.18s}
.btn-main{background:linear-gradient(120deg,var(--a),var(--b));color:#0A0818}
.btn-main:hover{filter:brightness(1.12);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--bone)}
.btn-ghost:hover{border-color:var(--b);color:var(--b)}
.btn-sm{padding:8px 14px;font-size:13.5px}

/* ---------- hero ---------- */
.hero{padding:88px 0 64px;text-align:center}
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);display:inline-flex;align-items:center;gap:10px}
.eyebrow i{width:26px;height:1px;background:linear-gradient(90deg,var(--a),var(--b));display:block}
h1{font-family:var(--display);font-weight:800;letter-spacing:-.035em;line-height:1.02;
  font-size:clamp(38px,7.2vw,74px);margin:20px 0 0}
h1 span{background:linear-gradient(100deg,var(--a),var(--b));-webkit-background-clip:text;
  background-clip:text;color:transparent}
.lead{max-width:620px;margin:22px auto 0;color:var(--muted);font-size:18px}

/* ---------- séquenceur (signature) ---------- */
.seq{margin:44px auto 0;max-width:620px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(27,23,64,.75),rgba(18,16,42,.5));padding:26px 20px 22px;
  position:relative;overflow:hidden}
.seq::before{content:"";position:absolute;inset:0 auto auto 0;height:2px;width:100%;
  background:linear-gradient(90deg,transparent,var(--a),var(--b),transparent)}
.seq-label{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.seq-name{font-family:var(--display);font-weight:800;font-size:clamp(28px,6vw,46px);
  letter-spacing:-.03em;margin:8px 0 6px;word-break:break-word}
.seq-formula{font-family:var(--mono);font-size:12.5px;color:var(--b)}
.hero-cta{margin-top:34px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- générateur ---------- */
section{padding:76px 0;position:relative}
.sec-head{max-width:640px;margin-bottom:38px}
h2{font-family:var(--display);font-weight:600;letter-spacing:-.03em;line-height:1.12;
  font-size:clamp(26px,3.6vw,38px);margin:0 0 14px}
h3{font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.02em;margin:34px 0 10px}
p{margin:0 0 16px;color:#D6CFE6}
.sec-head p{color:var(--muted);margin:0}

.lab{display:grid;grid-template-columns:340px 1fr;gap:26px;align-items:start}
@media(max-width:940px){.lab{grid-template-columns:1fr}}
.panel{background:linear-gradient(180deg,rgba(27,23,64,.6),rgba(18,16,42,.45));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.panel h3{margin-top:0;font-size:15px;font-family:var(--mono);font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

.field{margin-bottom:22px}
.field>label{display:block;font-size:13.5px;font-weight:700;margin-bottom:9px}
.field .hint{font-size:12.5px;color:var(--muted);font-weight:400;margin-top:6px;display:block}
input[type=text]{width:100%;background:rgba(10,8,24,.7);border:1px solid var(--line);
  color:var(--bone);border-radius:10px;padding:12px 14px;font-family:var(--body);font-size:15px}
input[type=text]::placeholder{color:#6E668C}
input[type=text]:focus{border-color:var(--b);outline:none}

.univ{display:flex;flex-wrap:wrap;gap:8px}
.univ button{font-family:var(--mono);font-size:12.5px;padding:7px 12px;border-radius:20px;
  background:transparent;border:1px solid var(--line);color:var(--muted);cursor:pointer;transition:.16s}
.univ button:hover{color:var(--bone);border-color:var(--muted)}
.univ button[aria-pressed=true]{background:linear-gradient(120deg,var(--a),var(--b));
  color:#0A0818;border-color:transparent;font-weight:500}

input[type=range]{width:100%;accent-color:var(--a);margin:6px 0 0}
.range-row{display:flex;justify-content:space-between;font-family:var(--mono);font-size:12px;color:var(--muted)}

.toggle{display:flex;align-items:center;gap:11px;padding:9px 0;cursor:pointer;font-size:14.5px}
.toggle input{appearance:none;width:38px;height:21px;border-radius:20px;background:rgba(239,233,225,.14);
  position:relative;cursor:pointer;flex:none;transition:.2s}
.toggle input::after{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;
  background:var(--bone);transition:.2s}
.toggle input:checked{background:linear-gradient(120deg,var(--a),var(--b))}
.toggle input:checked::after{left:20px;background:#0A0818}

.actions{display:flex;gap:10px;margin-top:6px}
.actions .btn{flex:1}

/* ---------- résultats ---------- */
.tabs{display:flex;gap:6px;margin-bottom:18px}
.tabs button{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;
  background:transparent;border:0;border-bottom:2px solid transparent;color:var(--muted);
  padding:8px 4px;cursor:pointer}
.tabs button[aria-selected=true]{color:var(--bone);border-bottom-color:var(--a)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:12px}
.card{border:1px solid var(--line);border-radius:12px;padding:16px;background:rgba(18,16,42,.55);
  transition:.18s;position:relative}
.card:hover{border-color:rgba(52,225,255,.45);transform:translateY(-2px)}
.card .name{font-family:var(--display);font-weight:600;font-size:21px;letter-spacing:-.02em;
  word-break:break-word;line-height:1.2}
.card .meta{font-family:var(--mono);font-size:11px;color:var(--muted);margin-top:7px;
  display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.card .meta b{color:var(--b);font-weight:400}
.card .tools{display:flex;gap:6px;margin-top:13px}
.icobtn{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:8px;
  padding:6px 10px;font-size:12px;cursor:pointer;font-family:var(--mono);transition:.16s}
.icobtn:hover{color:var(--bone);border-color:var(--muted)}
.icobtn.on{color:var(--amber);border-color:rgba(255,196,107,.5)}
.vars{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}
.vars button{font-family:var(--mono);font-size:11.5px;background:rgba(10,8,24,.6);
  border:1px solid var(--line);color:var(--muted);border-radius:6px;padding:4px 8px;cursor:pointer}
.vars button:hover{color:var(--bone);border-color:var(--b)}
.empty{border:1px dashed var(--line);border-radius:12px;padding:40px 24px;text-align:center;color:var(--muted)}
.empty strong{display:block;color:var(--bone);font-family:var(--display);font-weight:600;
  font-size:17px;margin-bottom:6px}

.toast{position:fixed;bottom:26px;left:50%;transform:translate(-50%,20px);opacity:0;
  background:var(--bone);color:#0A0818;font-weight:700;font-size:14px;padding:11px 20px;
  border-radius:10px;z-index:50;transition:.22s;pointer-events:none}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- exemples ---------- */
.ex{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.ex div{border:1px solid var(--line);border-radius:12px;padding:18px 20px;background:rgba(18,16,42,.4)}
.ex h3{margin:0 0 10px;font-size:16px}
.ex ul{margin:0;padding-left:18px;font-family:var(--mono);font-size:13.5px;color:#C9C1DC;line-height:1.9}

/* ---------- contenu éditorial ---------- */
.prose{max-width:760px}
.prose h2{margin-top:52px}
.prose h2:first-child{margin-top:0}
.prose ul{color:#D6CFE6;padding-left:20px}
.prose li{margin-bottom:8px}
.prose strong{color:var(--bone)}

/* ---------- FAQ ---------- */
details{border-top:1px solid var(--line);padding:4px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:18px 30px 18px 0;font-weight:700;font-size:16.5px;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:16px;font-family:var(--mono);
  font-size:20px;color:var(--b);transition:.2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);padding-right:30px}

/* ---------- pied ---------- */
footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;gap:18px;flex-wrap:wrap;align-items:center;justify-content:space-between}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- barre des favoris ---------- */
.favbar{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}