:root{--c:#0f766e;--c2:#115e59;--acc:#f59e0b;--ink:#0f172a;--mut:#475569;--bg:#ffffff;--soft:#f1f5f9;--line:#e2e8f0;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--c)}img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:20px;height:62px}
.logo{font-weight:800;color:var(--c2);text-decoration:none;font-size:1.1rem;margin:0}
.nav{display:flex;gap:18px;margin-left:auto}.nav a{color:var(--ink);text-decoration:none;font-size:.93rem}.nav a:hover{color:var(--c)}
.btn{display:inline-block;background:var(--acc);color:#111;font-weight:700;border:0;border-radius:10px;padding:13px 20px;text-decoration:none;cursor:pointer;font-size:1rem;text-align:center}
.btn:hover{filter:brightness(.95)}.btn-sm{padding:8px 14px;font-size:.9rem}.btn-full{width:100%}
.crumbs{max-width:1160px;margin:12px auto 0;padding:0 16px;font-size:.85rem;color:var(--mut)}.crumbs a{color:var(--mut)}
.hero{background:linear-gradient(135deg,#ecfdf5,#f0f9ff);border-bottom:1px solid var(--line);padding:28px 0 36px}
.hero-in{display:grid;grid-template-columns:1.25fr 1fr;gap:36px;align-items:start}
h1{font-size:2.1rem;line-height:1.2;margin:.3em 0 .4em}h2{font-size:1.45rem;line-height:1.3;margin:1.6em 0 .5em}h3{font-size:1.15rem;margin:1.3em 0 .4em}
.lead-p{font-size:1.08rem;color:#1e293b}
.ticks{list-style:none;padding:0;margin:14px 0}.ticks li{padding-left:26px;position:relative;margin:4px 0;font-weight:600}.ticks li:before{content:"✓";position:absolute;left:0;color:var(--c);font-weight:900}
.facts{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.facts div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;min-width:110px}.facts b{display:block;font-size:1.2rem;color:var(--c2)}.facts span{font-size:.82rem;color:var(--mut)}
.lead{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:0 10px 30px rgba(15,23,42,.08);scroll-margin-top:80px}
.lead-t{font-size:1.25rem;font-weight:800;margin:0}.lead-s{margin:2px 0 12px;color:var(--mut);font-size:.88rem}
.lead label,.calc label{display:block;font-size:.85rem;font-weight:600;margin:0 0 10px;color:#334155}
.lead input,.lead select,.calc input,.calc select{display:block;width:100%;margin-top:4px;padding:11px 12px;border:1px solid #cbd5e1;border-radius:9px;font:inherit;background:#fff}
.lead input:focus,.lead select:focus{outline:2px solid var(--c);border-color:var(--c)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.lead .chk{display:flex;gap:8px;font-weight:400;font-size:.78rem;color:var(--mut)}.lead .chk input{width:auto;margin-top:3px;flex:none}
.hp{position:absolute;left:-9999px;opacity:0;height:0}
.form-msg{font-size:.9rem;margin:8px 0 0}.form-msg.err{color:#b91c1c}
.content{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;padding-top:12px}
.prose{min-width:0}.prose li{margin:4px 0}
.side{position:relative}.side>*{position:sticky;top:80px}
.calc{background:var(--soft);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-top:24px}
.calc-t{font-weight:800;margin:0 0 10px}.calc-out{background:#fff;border-radius:10px;padding:12px;margin:8px 0 12px;border:1px dashed var(--c);font-size:.95rem}
.calc-out b{color:var(--c2);font-size:1.1rem}
.t{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:.94rem;background:#fff}
.t th,.t td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}.t th{background:var(--soft)}
.t caption{caption-side:bottom;font-size:.78rem;color:var(--mut);text-align:left;padding-top:6px}
.prix{max-width:520px}
.faq details{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:8px 0;background:#fff}
.faq summary{font-weight:700;cursor:pointer}
.box{background:var(--soft);border-radius:var(--r);padding:6px 22px 18px;margin:28px 0}
.cols{columns:4 180px;padding-left:18px}.cols li{break-inside:avoid;margin:3px 0}
.links{columns:2 260px;padding-left:18px}.links li{margin:4px 0;break-inside:avoid}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.card{display:flex;flex-direction:column;gap:4px;border:1px solid var(--line);border-radius:var(--r);padding:16px;text-decoration:none;color:var(--ink);background:#fff}
.card:hover{border-color:var(--c);box-shadow:0 6px 18px rgba(15,118,110,.12)}.card .ico{font-size:1.6rem}.card span:last-child{color:var(--mut);font-size:.88rem}
.steps li{margin:8px 0}
.cta-box{background:#ecfdf5;border:1px solid #a7f3d0;border-radius:var(--r);padding:16px 20px;margin:28px 0}
.guide-list{list-style:none;padding:0}.guide-list li{padding:12px 0;border-bottom:1px solid var(--line)}
.small{font-size:.8rem;color:var(--mut)}
.foot{background:#0f172a;color:#cbd5e1;margin-top:48px;padding:36px 0 90px}.foot a{color:#e2e8f0}.foot .logo{color:#fff}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.foot ul{list-style:none;padding:0;margin:0}.foot li{margin:4px 0}.foot-t{font-weight:700;color:#fff}.foot .small{color:#94a3b8}
.sticky-cta{display:none}
@media (max-width:900px){
 .nav{display:none}.hero-in,.content,.foot-in{grid-template-columns:1fr}h1{font-size:1.65rem}
 .side>*{position:static}.hero{padding:16px 0 24px}
 .sticky-cta{display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;background:var(--acc);color:#111;font-weight:800;text-align:center;padding:14px;border-radius:12px;text-decoration:none;box-shadow:0 8px 24px rgba(0,0,0,.2)}
 .row2{grid-template-columns:1fr}
}