/* Agent crypto — site public. Palette : encre, ivoire, or brosse. */
:root{
  --encre:#0b1220;--encre2:#121b2e;--ivoire:#f6f2ea;--ivoire2:#ebe5d8;
  --texte:#1b2130;--doux:#6b7280;--or:#c9a24a;--or2:#e3c877;--vert:#2f8f5b;--rouge:#b4232a;
  --bord:rgba(27,33,48,.12);--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivoire);color:var(--texte);
  font:16px/1.65 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased}
h1,h2,h3,.serif{font-family:"Fraunces","Iowan Old Style",Georgia,serif;font-weight:500;letter-spacing:-.01em;line-height:1.15;margin:0}
h1{font-size:clamp(34px,5.2vw,58px)}
h2{font-size:clamp(26px,3.4vw,38px)}
h3{font-size:21px}
p{margin:0 0 1em}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.doux{color:var(--doux)}
.sur{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--or);font-weight:600;margin-bottom:14px}
.or{color:var(--or)}

/* nav */
nav{position:sticky;top:0;z-index:9;background:rgba(11,18,32,.92);backdrop-filter:blur(10px);color:var(--ivoire)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.marque{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:"Fraunces",Georgia,serif;font-size:19px}
.marque svg{width:26px;height:26px}
nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0;font-size:14.5px}
nav ul a{text-decoration:none;opacity:.82}
nav ul a:hover,nav ul a.ici{opacity:1;border-bottom:1px solid var(--or)}
.btn{display:inline-block;padding:11px 20px;border-radius:999px;text-decoration:none;font-weight:600;font-size:14.5px;border:1px solid transparent;transition:.15s}
.btn.or{background:var(--or);color:var(--encre)}
.btn.or:hover{background:var(--or2)}
.btn.ligne{border-color:rgba(255,255,255,.35);color:var(--ivoire)}
.btn.ligne:hover{border-color:var(--or)}
.btn.sombre{background:var(--encre);color:var(--ivoire)}
.btn.sombre:hover{background:var(--encre2)}
.menu-btn{display:none;background:none;border:0;color:var(--ivoire);font-size:26px}

/* hero */
.hero{background:var(--encre);color:var(--ivoire);position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;min-height:580px;padding-top:60px;padding-bottom:60px}
.hero p.lead{font-size:19px;opacity:.85;max-width:520px;margin:22px 0 30px}
.hero .actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .note{font-size:13px;opacity:.6;margin-top:18px}
.hero .art{position:relative}
.hero .art img,.hero .art svg{width:100%;height:auto;display:block;border-radius:12px}
.hero .halo{position:absolute;inset:-30%;background:radial-gradient(closest-side,rgba(201,162,74,.18),transparent 70%);pointer-events:none}

/* chiffres */
.chiffres{background:var(--encre2);color:var(--ivoire)}
.chiffres .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0}
.chiffres div{padding:28px 20px;border-right:1px solid rgba(255,255,255,.08)}
.chiffres div:last-child{border-right:0}
.chiffres .v{font-family:"Fraunces",Georgia,serif;font-size:34px;color:var(--or2)}
.chiffres .l{font-size:13px;opacity:.7;margin-top:4px}

/* sections */
section{padding:84px 0}
section.alt{background:var(--ivoire2)}
.deux{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.trois{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.carte{background:#fff;border:1px solid var(--bord);border-radius:14px;padding:28px}
.carte h3{margin-bottom:10px}
.carte .ico{width:38px;height:38px;color:var(--or);margin-bottom:16px}
.intro{max-width:640px;margin-bottom:8px}

/* tableau comparatif */
table{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--bord);border-radius:14px;overflow:hidden}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--bord)}
th{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--doux);background:#faf8f3}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.vert{color:var(--vert)}.rouge{color:var(--rouge)}

/* formules */
.formules{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;align-items:stretch}
.formule{background:#fff;border:1px solid var(--bord);border-radius:16px;padding:30px;display:flex;flex-direction:column}
.formule.phare{background:var(--encre);color:var(--ivoire);border-color:var(--encre);position:relative}
.formule.phare .doux{color:rgba(246,242,234,.65)}
.formule .prix{font-family:"Fraunces",Georgia,serif;font-size:40px;margin:14px 0 2px}
.formule .prix small{font-size:15px;font-family:"Inter",sans-serif;opacity:.6}
.formule ul{list-style:none;padding:0;margin:22px 0 28px;flex:1}
.formule li{padding:7px 0;border-bottom:1px solid var(--bord);font-size:14.5px;display:flex;gap:10px}
.formule.phare li{border-color:rgba(255,255,255,.1)}
.formule li svg{flex:none;width:18px;height:18px;margin-top:3px}
.formule li.non{opacity:.45}
.etiquette{position:absolute;top:-12px;left:30px;background:var(--or);color:var(--encre);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;padding:5px 12px;border-radius:999px}

/* avertissement */
.avert{border-left:3px solid var(--or);background:#fff;padding:18px 22px;border-radius:0 12px 12px 0;font-size:15px}

/* etapes */
.etapes{counter-reset:e;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px}
.etape{position:relative;padding-top:54px}
.etape::before{counter-increment:e;content:counter(e,decimal-leading-zero);position:absolute;top:0;left:0;font-family:"Fraunces",Georgia,serif;font-size:38px;color:var(--or);line-height:1}
.etape h3{font-size:18px;margin-bottom:6px}
.etape p{font-size:14.5px;color:var(--doux);margin:0}

/* faq */
details{border-bottom:1px solid var(--bord);padding:16px 0}
summary{cursor:pointer;font-weight:600;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::after{content:"+";color:var(--or);font-size:22px;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--doux)}

/* cta */
.cta{background:var(--encre);color:var(--ivoire);text-align:center}
.cta p{opacity:.8;max-width:560px;margin:14px auto 28px}

/* footer */
footer{background:#0a0f1a;color:rgba(246,242,234,.7);font-size:13.5px;padding:40px 0}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{text-decoration:none;margin-right:18px}
footer a:hover{color:var(--or2)}

/* prose (methode, mentions) */
.prose{max-width:760px}
.prose h2{margin:48px 0 14px}
.prose h3{margin:30px 0 8px}
.prose ul{padding-left:20px}
.prose li{margin-bottom:6px}
.fig{background:#fff;border:1px solid var(--bord);border-radius:14px;padding:22px;margin:24px 0}
.fig .legende{font-size:13px;color:var(--doux);margin-top:10px}

@media(max-width:900px){
  .hero .wrap,.deux{grid-template-columns:1fr}
  .hero .wrap{min-height:0;padding-top:44px}
  .trois,.formules,.etapes{grid-template-columns:1fr}
  .chiffres .wrap{grid-template-columns:1fr 1fr}
  .chiffres div:nth-child(2){border-right:0}
  nav ul{display:none;position:absolute;top:64px;left:0;right:0;background:var(--encre);flex-direction:column;gap:0;padding:10px 20px 18px}
  nav ul.ouvert{display:flex}
  nav ul li{padding:10px 0}
  .menu-btn{display:block}
  section{padding:56px 0}
  table{font-size:13.5px}th,td{padding:10px 10px}
}