:root{
  --navy:#0a0e1a; --navy2:#16335a; --gold:#e8a800; --gold-l:#f7c948;
  --bg:#f8f9fb; --card:#ffffff; --line:#e3e7ee; --txt:#1b2233; --mut:#5c6780;
  --ok:#1e8449; --warn:#b9770e; --bad:#c0392b;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--txt);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.62;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--navy2)}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* en-tete */
.hd{background:var(--navy);border-bottom:3px solid var(--gold);position:sticky;top:0;z-index:20}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.hd img{height:26px;display:block}
.hd .br{display:flex;align-items:center;gap:12px;text-decoration:none}
.hd .tag{color:var(--gold);font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;border:1px solid rgba(232,168,0,.5);border-radius:99px;padding:3px 10px;white-space:nowrap}
.hd nav a{color:#c8d1e4;text-decoration:none;font-size:14px;font-weight:600;margin-left:20px}
.hd nav a:hover{color:#fff}

/* hero */
.hero{padding:48px 0 26px}
.hero h1{font-size:34px;line-height:1.18;margin:0 0 12px;font-weight:800;letter-spacing:-.015em}
.hero p{margin:0 0 8px;color:var(--mut);max-width:720px;font-size:17px}
.hero .kick{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;margin:0 0 10px}

/* outil */
.tool{display:grid;grid-template-columns:1fr 380px;gap:20px;align-items:start;padding-bottom:10px}
.panel,.res,.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
.res{position:sticky;top:84px}
.grp{margin-bottom:22px}
.grp:last-child{margin-bottom:0}
.grp h3{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);margin:0 0 12px;font-weight:800}
.f{margin-bottom:14px}
.f label{display:block;font-size:14px;font-weight:600;margin-bottom:5px}
.f .hint{font-size:12.5px;color:var(--mut);margin:4px 0 0}
.f input[type=number],.f input[type=text],.f input[type=email],.f select{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px;background:#fff;color:var(--txt)}
.f input:focus,.f select:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{flex:1;min-width:120px;padding:10px 12px;border:1px solid var(--line);background:#fff;border-radius:10px;font:inherit;font-size:14px;font-weight:600;cursor:pointer;color:var(--txt)}
.seg button[aria-pressed=true]{background:var(--navy);color:#fff;border-color:var(--navy)}

/* resultats */
.res .big{background:var(--navy);color:#fff;border-radius:10px;padding:18px;margin:-4px -4px 16px}
.res .big .l{font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);font-weight:800;margin-bottom:6px}
.res .big .v{font-size:34px;font-weight:800;line-height:1.1}
.res .big .s{font-size:13px;color:#b9c2d6;margin-top:6px}
.line{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.line:last-child{border-bottom:0}
.line span:first-child{color:var(--mut)}
.line b{font-weight:700;white-space:nowrap}
.line.tot{border-top:2px solid var(--navy);border-bottom:0;margin-top:6px;padding-top:12px;font-size:16px}
.tagv{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:800}
.t-ok{background:#e9f6ee;color:var(--ok)}
.t-warn{background:#fdf3e2;color:var(--warn)}
.t-bad{background:#fdeceb;color:var(--bad)}

/* blocs de texte */
section.blk{padding:34px 0}
section.blk h2{font-size:23px;margin:0 0 14px;font-weight:800;letter-spacing:-.01em}
section.blk h3{font-size:17px;margin:22px 0 8px;font-weight:700}
section.blk p{margin:0 0 14px;max-width:820px}
section.blk ul{max-width:820px;padding-left:20px;margin:0 0 14px}
section.blk li{margin-bottom:7px}
.note{background:#fdf6e6;border-left:3px solid var(--gold);border-radius:8px;padding:16px 18px;margin:0 0 16px}
.note b{color:var(--navy)}

/* capture */
.capture{background:var(--navy);color:#e7ecf6;border-radius:12px;padding:26px;margin:10px 0 6px}
.capture h2{color:#fff;font-size:20px;margin:0 0 8px}
.capture p{color:#b9c2d6;margin:0 0 16px;max-width:640px}
.capture form{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-start}
.capture input[type=email]{flex:1;min-width:240px;padding:12px 14px;border:0;border-radius:10px;font:inherit;font-size:15px}
.capture button{padding:12px 22px;border:0;border-radius:10px;background:var(--gold);color:var(--navy);font:inherit;font-weight:800;font-size:15px;cursor:pointer}
.capture button:hover{background:var(--gold-l)}
.capture .ck{display:block;width:100%;font-size:12.5px;color:#9aa6c0;margin-top:4px}
.capture .ck input{margin-right:7px}
.capture .msg{margin-top:12px;font-size:14px;color:var(--gold-l);font-weight:600}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:10px}
details[open]{border-color:#cfd6e4}
summary{font-weight:700;cursor:pointer;font-size:15.5px}
summary::-webkit-details-marker{display:none}
details p{margin:10px 0 0;color:var(--mut)}

/* cta et cartes outils */
.cta{background:linear-gradient(180deg,#0a0e1a,#16335a);color:#fff;border-radius:14px;padding:30px;margin:10px 0 30px}
.cta h2{color:#fff;margin:0 0 8px;font-size:22px}
.cta p{color:#c3cce0;margin:0 0 18px;max-width:640px}
.btn{display:inline-block;background:var(--gold);color:var(--navy);font-weight:800;text-decoration:none;padding:12px 22px;border-radius:10px}
.btn:hover{background:var(--gold-l)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);margin-left:10px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cards a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;text-decoration:none;color:var(--txt)}
.cards a:hover{border-color:var(--gold);box-shadow:0 4px 18px rgba(10,14,26,.07)}
.cards .k{color:var(--gold);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.cards h3{margin:8px 0 6px;font-size:17px}
.cards p{margin:0;color:var(--mut);font-size:14px}

/* pied */
.ft{border-top:1px solid var(--line);margin-top:20px;padding:26px 0 44px;color:var(--mut);font-size:13.5px}
.ft a{color:var(--mut)}
.ft .maj{font-weight:700;color:var(--txt)}

@media(max-width:820px){
  .tool{grid-template-columns:1fr}
  .res{position:static}
  .hero{padding:32px 0 20px}
  .hero h1{font-size:27px}
  .cards{grid-template-columns:1fr}
  .hd nav a{margin-left:12px;font-size:13px}
  .hd .tag{display:none}
  .f2{grid-template-columns:1fr}
}