:root{--bg:#f4f8fa;--ink:#12303b;--muted:#5b727c;--brand:#0a6d8f;--brand2:#0d9488;
--line:#dbe7ec;--card:#fff;--radius:14px}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,system-ui,sans-serif;color:var(--ink);
background:var(--bg);line-height:1.7;font-size:17px}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.site-head{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.head-inner{max-width:1080px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px}
.logo{font-weight:800;font-size:1.15rem;color:var(--brand)}
.main-nav{display:flex;gap:18px;flex-wrap:wrap;align-items:center;font-size:.95rem}
.main-nav a{color:var(--ink)}
.nav-cta{background:var(--brand);color:#fff!important;padding:8px 14px;border-radius:999px;font-weight:600}
.nav-cta:hover{text-decoration:none;background:#085a76}
.hero{background:linear-gradient(135deg,#0a6d8f,#0d9488);color:#fff;padding:56px 0;text-align:center}
.hero h1{font-size:2.1rem;margin:0 0 12px}
.hero p{max-width:640px;margin:0 auto 22px;opacity:.95}
.breadcrumb{font-size:.85rem;color:var(--muted);margin:22px 0 8px}
.breadcrumb a{color:var(--muted)}
.post-head .kicker{color:var(--brand2);font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:.78rem;margin:0 0 6px}
.post h1{font-size:2rem;line-height:1.25;margin:0 0 10px}
.post-meta{color:var(--muted);font-size:.9rem;margin:0 0 8px}
.post h2{font-size:1.4rem;margin:2.2rem 0 .6rem;padding-top:.4rem;border-top:1px solid var(--line)}
.post h3{font-size:1.12rem;margin:1.4rem 0 .4rem}
.post p{margin:.7rem 0}.post ul,.post ol{margin:.6rem 0 1rem;padding-left:1.3rem}.post li{margin:.3rem 0}
.post table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}
.post th,.post td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.post th{background:#eaf3f6}
.note{background:#eaf3f6;border-left:4px solid var(--brand);padding:12px 16px;border-radius:8px;margin:1.1rem 0}
.warn{background:#fff4e5;border-left:4px solid #e8890c;padding:12px 16px;border-radius:8px;margin:1.1rem 0}
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;margin:1.4rem 0}
.toc-title{font-weight:700;margin:0 0 6px}.toc ol{margin:0;padding-left:1.1rem}.toc a{color:var(--ink)}
.cta{background:linear-gradient(135deg,#0a6d8f,#0d9488);color:#fff;border-radius:var(--radius);padding:26px;text-align:center;margin:2rem 0}
.cta h3{margin:0 0 8px;font-size:1.3rem}.cta p{margin:0 auto 16px;max-width:520px;opacity:.95}
.cta-compact{padding:18px 20px;margin:1.6rem 0}.cta-compact h3{font-size:1.1rem}
.cta-btn{display:inline-block;background:#fff;color:var(--brand);font-weight:700;padding:12px 22px;border-radius:999px;border:none;cursor:pointer;font-size:1rem}
.cta-btn:hover{text-decoration:none;background:#eaf3f6}
.hero .cta-btn{box-shadow:0 6px 18px rgba(0,0,0,.15)}
.faq{margin:2rem 0}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;margin:.5rem 0;padding:2px 14px}
.faq-item summary{cursor:pointer;font-weight:600;padding:12px 0}.faq-a{padding-bottom:10px}
.related{margin:2.4rem 0 1rem;border-top:1px solid var(--line);padding-top:1rem}
.related ul{list-style:none;padding:0}.related li{margin:.4rem 0}
.cat-block{margin:2.6rem 0}
.cat-block h2{font-size:1.5rem;border-bottom:2px solid var(--brand2);padding-bottom:6px;display:inline-block}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;transition:.15s}
.card:hover{text-decoration:none;box-shadow:0 8px 22px rgba(10,109,143,.12);transform:translateY(-2px)}
.card h3{margin:0 0 8px;font-size:1.05rem;color:var(--ink)}
.card p{margin:0 0 12px;color:var(--muted);font-size:.9rem;flex:1}
.card-link{color:var(--brand);font-weight:600;font-size:.9rem}
.lead-form{display:flex;flex-direction:column;gap:14px;max-width:560px;margin:1.4rem 0}
.lead-form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.95rem}
.lead-form input,.lead-form select,.lead-form textarea{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;font-weight:400}
.consent{flex-direction:row!important;align-items:flex-start;gap:10px;font-weight:400;font-size:.9rem}
.consent input{width:auto}
.form-legal{font-size:.8rem;color:var(--muted)}
.site-foot{background:#0e2a34;color:#c7d9df;margin-top:3rem;padding:36px 0;font-size:.9rem}
.foot-brand{font-weight:800;color:#fff;margin:0 0 6px}
.foot-legal{font-size:.8rem;opacity:.8;margin:10px 0}.foot-legal a{color:#8fd0e3}
.foot-copy{opacity:.6;font-size:.8rem;margin-top:10px}
@media(max-width:600px){.hero h1{font-size:1.6rem}.post h1{font-size:1.55rem}.main-nav{gap:12px;font-size:.85rem}}

/* Bloc "Sur le même sujet" (maillage interne) */
.related{margin:34px 0 8px;padding:20px 22px;background:rgba(0,0,0,.03);border:1px solid rgba(0,0,0,.08);border-radius:14px}
.related h2{margin:0 0 12px;font-size:1.15rem}
.related ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.related li a{text-decoration:none;font-weight:600}
.related li a:hover{text-decoration:underline}