/* Pages publiques d'outils gratuits (SEO) : habillage commun */
:root{
  --bg:#f7f8fa; --surface:#fff; --text:#0b1220; --muted:#5b6475; --faint:#8a93a3; --border:#e4e7ec;
  --green:#16a34a; --green-soft:rgba(22,163,74,.1); --invested:#94a3b8; --navy:#080e1e;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#080c10; --surface:#131920; --text:#e6edf3; --muted:#9aa4b2; --faint:#6e7681; --border:#1e2d3d; --green-soft:rgba(22,163,74,.16); --invested:#475569; }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Inter,system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--green)}
.top{background:var(--navy);color:#fff}
.top-in{max-width:960px;margin:0 auto;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-weight:800;font-size:17px}
.brand img{width:30px;height:30px;border-radius:8px}
.top-cta{background:var(--green);color:#fff;text-decoration:none;font-weight:700;font-size:13.5px;padding:9px 14px;border-radius:10px;white-space:nowrap}
.hero{background:var(--navy);color:#fff;padding:18px 16px 70px}
.hero-in{max-width:960px;margin:0 auto}
h1{font-size:clamp(26px,5vw,40px);line-height:1.15;letter-spacing:-.03em;margin:6px 0 10px}
.hero p{color:rgba(255,255,255,.65);font-size:16px;max-width:640px;margin:0}
main{max-width:960px;margin:-50px auto 0;padding:0 16px 40px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.06)}
.sim{display:grid;grid-template-columns:1fr 1.25fr;gap:22px}
@media (max-width:760px){.sim{grid-template-columns:1fr}}
.presets{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.presets button{font:inherit;font-size:12.5px;font-weight:700;border:1px solid var(--border);background:var(--bg);color:var(--text);padding:6px 11px;border-radius:99px;cursor:pointer}
.presets button:hover{border-color:var(--green)}
.field{margin-bottom:16px}
.field-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:6px}
.field label{font-size:13.5px;font-weight:700}
.field-val{display:flex;align-items:center;gap:4px}
.field input[type=number]{width:108px;font:inherit;font-weight:700;font-size:14px;text-align:right;padding:6px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}
.field .unit{font-size:13px;color:var(--muted);min-width:34px}
input[type=range]{width:100%;accent-color:var(--green)}
.result-total{font-size:clamp(30px,6vw,42px);font-weight:900;letter-spacing:-.04em;line-height:1.1}
.result-sub{font-size:13.5px;color:var(--muted);margin-top:4px}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0}
.kpi{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:10px;text-align:center}
.kpi b{display:block;font-size:17px;letter-spacing:-.02em;white-space:nowrap}
@media (max-width:420px){.kpi{padding:9px 4px}.kpi b{font-size:14px}.kpi span{font-size:10px}}
.kpi span{font-size:11px;color:var(--muted);font-weight:600}
.kpi.gain b{color:var(--green)}
.chart{width:100%;height:auto;display:block}
.legend{display:flex;gap:16px;font-size:12px;color:var(--muted);margin-top:6px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
details{margin-top:16px}
summary{cursor:pointer;font-weight:700;font-size:14px}
table{width:100%;border-collapse:collapse;font-size:13px;margin-top:10px}
th,td{padding:7px 6px;border-bottom:1px solid var(--border);text-align:right}
th:first-child,td:first-child{text-align:left}
th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.content{max-width:720px;margin:36px auto 0}
.content h2{font-size:23px;letter-spacing:-.02em;line-height:1.25;margin:34px 0 10px}
.content p,.content li{font-size:15.5px;color:var(--text)}
.content .muted{color:var(--muted)}
.formula{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;font-family:'SF Mono',Consolas,monospace;font-size:14.5px;overflow-x:auto}
.example{background:var(--green-soft);border-left:3px solid var(--green);border-radius:10px;padding:12px 16px}
.cta{margin:40px auto 0;max-width:720px;background:var(--navy);color:#fff;border-radius:18px;padding:24px;text-align:center}
.cta h2{margin:0 0 6px;font-size:22px}
.cta p{color:rgba(255,255,255,.65);margin:0 0 16px}
.cta a{display:inline-block;background:var(--green);color:#fff;text-decoration:none;font-weight:800;padding:12px 20px;border-radius:12px}
.faq h3{font-size:16.5px;margin:22px 0 4px}
footer{max-width:720px;margin:36px auto 0;padding:0 16px 40px;font-size:12px;color:var(--faint);line-height:1.6}
footer a{color:var(--muted)}
.result-big-green{color:var(--green)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.compare div{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:12.5px;color:var(--muted);line-height:1.45}
.compare b{display:block;font-size:15px;color:var(--text)}
.others{max-width:720px;margin:36px auto 0}
.others h2{font-size:19px;margin:0 0 10px}
.others a{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:13px 16px;text-decoration:none;color:var(--text);font-weight:700;margin-bottom:8px}
.others a span{font-weight:400;font-size:13px;color:var(--muted);display:block}
.others a:hover{border-color:var(--green)}
.field select{width:100%;font:inherit;font-size:14px;font-weight:600;padding:9px 10px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text)}
.checks{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.checks label{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;cursor:pointer}
.checks input{width:18px;height:18px;accent-color:var(--green)}
.progress{height:12px;border-radius:99px;background:var(--bg);border:1px solid var(--border);overflow:hidden;margin:14px 0 6px}
.progress div{height:100%;background:var(--green);border-radius:99px;transition:width .2s}
.range-note{font-size:12.5px;color:var(--muted)}