:root{
  --navy:#1E2749; --red:#C0202E; --bg:#F2F4F8; --green:#1B7F5A;
  --grey:#5B6478; --rule:#D6DBE4; --white:#fff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Calibri,"Segoe UI",Candara,"Trebuchet MS",sans-serif;
  color:var(--navy);background:var(--white);line-height:1.65;font-size:17px;
}
h1,h2,h3,h4{font-family:Cambria,Georgia,"Times New Roman",serif;font-weight:700;line-height:1.25}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* bandeau */
.alerte{background:var(--navy);color:#fff;font-size:14px;padding:10px 0;text-align:center}
.alerte strong{color:#FFD9DC}

/* entete */
header{border-bottom:1px solid var(--rule);background:#fff;position:sticky;top:0;z-index:50}
.head{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0;flex-wrap:wrap}
.head img{height:44px;width:auto;display:block}
.marque{display:flex;align-items:center;gap:14px}
.marque span{font-size:13px;color:var(--grey);line-height:1.3;max-width:190px}
nav ul{list-style:none;display:flex;gap:22px;flex-wrap:wrap;align-items:center}
nav a{color:var(--navy);font-weight:600;font-size:15px}
nav a.cta{background:var(--red);color:#fff;padding:9px 18px;border-radius:4px}
nav a.cta:hover{background:#9d1a25;text-decoration:none}

/* hero */
.hero{background:var(--bg);padding:64px 0 56px;border-bottom:1px solid var(--rule)}
.hero .kicker{color:var(--red);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:13px}
.hero h1{font-size:44px;margin:10px 0 16px}
.hero p.lead{font-size:19px;color:var(--grey);max-width:720px}
.hero-grid{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center}
.hero-grid img{width:150px;height:auto}
.chips{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.chip{background:#fff;border:1px solid var(--rule);border-radius:4px;padding:10px 16px;font-size:15px}
.chip b{display:block;font-family:Cambria,Georgia,serif;font-size:19px}
.btns{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;background:var(--red);color:#fff;padding:14px 26px;border-radius:4px;font-weight:600}
.btn:hover{background:#9d1a25;text-decoration:none}
.btn.ghost{background:transparent;color:var(--navy);border:1px solid var(--navy)}
.btn.ghost:hover{background:var(--navy);color:#fff}

/* sections */
section{padding:56px 0}
section.alt{background:var(--bg)}
h2{font-size:31px;margin-bottom:8px}
.sub{color:var(--grey);margin-bottom:28px;max-width:760px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.card{background:#fff;border:1px solid var(--rule);border-radius:6px;padding:24px}
section.alt .card{background:#fff}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--grey);font-size:16px}
ul.liste{list-style:none;margin-top:6px}
ul.liste li{padding-left:22px;position:relative;margin-bottom:9px;color:var(--grey)}
ul.liste li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;background:var(--red);border-radius:50%}
ul.liste li b{color:var(--navy)}

/* etapes */
.etapes{counter-reset:e}
.etape{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--rule)}
.etape:last-child{border-bottom:0}
.num{flex:0 0 40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:Cambria,Georgia,serif;font-weight:700}
.etape h3{font-size:18px;margin-bottom:4px}
.etape p{color:var(--grey);font-size:16px}

/* tableau */
table{width:100%;border-collapse:collapse;background:#fff;font-size:16px}
th,td{border:1px solid var(--rule);padding:12px 14px;text-align:left;vertical-align:top}
th{background:var(--navy);color:#fff;font-family:Cambria,Georgia,serif}
td.lab{background:var(--bg);font-weight:600;width:230px}
.tbl-wrap{overflow-x:auto}

/* formulaire */
.form{background:#fff;border:1px solid var(--rule);border-radius:6px;padding:28px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--rule);border-radius:4px;
  font-family:inherit;font-size:16px;color:var(--navy);background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--navy);outline-offset:1px}
.field{margin-bottom:18px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--grey)}
.consent input{width:auto;margin-top:4px}
button[type=submit]{background:var(--red);color:#fff;border:0;padding:15px 30px;border-radius:4px;
  font-size:17px;font-weight:600;font-family:inherit;cursor:pointer}
button[type=submit]:hover{background:#9d1a25}

/* encadres */
.note{border-left:4px solid var(--red);background:var(--bg);padding:18px 22px;margin:24px 0;font-size:16px}
.note.vert{border-left-color:var(--green)}
.note b{display:block;margin-bottom:4px}

/* pied */
footer{background:var(--navy);color:#C7CCDA;padding:48px 0 28px;font-size:15px;margin-top:10px}
footer h4{color:#fff;font-size:17px;margin-bottom:12px}
footer a{color:#fff}
.fcols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
footer ul{list-style:none}
footer li{margin-bottom:7px}
.legal{border-top:1px solid #3A4468;margin-top:32px;padding-top:20px;font-size:13px;line-height:1.7;color:#9AA3BC}

@media(max-width:760px){
  .hero h1{font-size:32px}
  .hero-grid{grid-template-columns:1fr}
  .hero-grid img{display:none}
  .form .row{grid-template-columns:1fr}
  td.lab{width:auto}
}

/* logo SST : fond blanc assume plutot que subi */
.hero-grid img{background:#fff;border:1px solid var(--rule);border-radius:10px;padding:12px}