:root{
  --nuit:#00364a; --marque:#0f546e; --moyen:#678ea9;
  --clair:#a9bdcb; --pale:#d4dde4; --sauge:#83a79e; --papier:#fbfcfd;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:#1f2d35;background:var(--papier);-webkit-font-smoothing:antialiased;
}
.bandeau{height:6px;background:var(--moyen)}
header{background:#fff;border-bottom:1px solid var(--pale)}
.dedans{max-width:820px;margin:0 auto;padding:0 24px}
nav{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;flex-wrap:wrap}
.marque{font-family:Georgia,"Times New Roman",serif;font-size:23px;letter-spacing:.06em;
  color:var(--marque);text-decoration:none;font-weight:600}
nav a.lien{color:#5b6b75;text-decoration:none;font-size:14.5px;margin-left:22px}
nav a.lien:hover{color:var(--marque)}
.heros{padding:78px 0 62px;text-align:center}
h1{font-family:Georgia,"Times New Roman",serif;font-size:40px;line-height:1.25;
  color:var(--nuit);font-weight:600;margin-bottom:18px}
.chapo{font-size:18px;color:#4a5c67;max-width:600px;margin:0 auto}
main{padding:8px 0 72px}
h2{font-family:Georgia,serif;font-size:23px;color:var(--nuit);margin:38px 0 14px;font-weight:600}
h3{font-size:16.5px;color:var(--marque);margin:24px 0 8px;font-weight:600}
p,li{color:#3d4d57;margin-bottom:13px}
ul{padding-left:22px}
a{color:var(--marque)}
.carte{background:#fff;border:1px solid var(--pale);border-radius:12px;padding:26px 28px;margin:26px 0}
.jalon{display:inline-block;background:var(--marque);color:#fff;text-decoration:none;
  padding:13px 26px;border-radius:9px;font-weight:600;font-size:15px;margin-top:10px}
.grille{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-top:34px}
.grille div{background:#fff;border:1px solid var(--pale);border-radius:12px;padding:22px}
.grille strong{display:block;color:var(--nuit);margin-bottom:6px;font-size:15.5px}
.grille p{font-size:14.5px;margin:0;color:#5b6b75}
table{width:100%;border-collapse:collapse;margin:14px 0 22px;font-size:14.5px}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--pale);vertical-align:top}
th{color:var(--nuit);font-weight:600;background:#f4f7f9}
footer{border-top:1px solid var(--pale);background:#fff;padding:30px 0;font-size:13.5px;color:#6b7b85}
footer a{color:#6b7b85;text-decoration:none;margin-right:18px}
footer a:hover{color:var(--marque)}
.maj{font-size:13.5px;color:#7a8a94;margin-bottom:26px}
@media(max-width:620px){h1{font-size:31px}.heros{padding:52px 0 40px}nav a.lien{margin:0 16px 0 0}}