:root{
  --navy:#1F4E78; --navy-clair:#2C6CA5; --encre:#111820; --texte:#3d4b5a;
  --gris:#6b7684; --trait:#e2e8ee; --fond:#ffffff; --fond2:#f5f8fb;
  --accent:#c98a12; --vert:#1a8f63;
  --large:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--fond);color:var(--texte);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
.dedans{max-width:var(--large);margin:0 auto;padding:0 22px}

.saut{position:absolute;left:-9999px;background:var(--navy);color:#fff;padding:10px 16px}
.saut:focus{left:12px;top:12px;z-index:99;border-radius:8px}

/* --- en-tête --- */
.tete{border-bottom:1px solid var(--trait);background:#fff;position:sticky;top:0;z-index:20}
.tete .dedans{display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:74px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.marque{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--encre)}
.marque .logo{width:40px;height:40px;border-radius:11px;background:var(--navy);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:21px;letter-spacing:.02em;
  flex-shrink:0}
.marque b{display:block;font-size:18px;letter-spacing:.06em}
.marque small{display:block;font-size:11.5px;color:var(--gris);font-weight:500;
  letter-spacing:.01em;max-width:290px;line-height:1.35}
.tete nav{display:flex;gap:4px;flex-wrap:wrap}
.tete nav a{text-decoration:none;color:var(--texte);font-size:15px;font-weight:600;
  padding:8px 13px;border-radius:9px}
.tete nav a:hover{background:var(--fond2);color:var(--navy)}
.tete nav a.actif{color:var(--navy);background:var(--fond2)}

/* --- sections --- */
section{padding:60px 0}
section.gris{background:var(--fond2);border-top:1px solid var(--trait);
  border-bottom:1px solid var(--trait)}
h1{font-size:clamp(30px,4.4vw,45px);line-height:1.15;color:var(--encre);
  margin:0 0 18px;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(23px,3vw,30px);line-height:1.25;color:var(--encre);
  margin:0 0 14px;letter-spacing:-.01em;font-weight:750}
h3{font-size:18px;color:var(--encre);margin:0 0 8px;font-weight:700}
p{margin:0 0 16px}
.chapo{font-size:clamp(18px,2.1vw,21px);line-height:1.6;color:var(--texte);max-width:44ch}
.sur{font-size:12px;font-weight:750;letter-spacing:.12em;text-transform:uppercase;
  color:var(--navy);margin:0 0 12px}
.mesure{max-width:66ch}

/* --- accueil --- */
.hero{padding:74px 0 64px}
.hero .dedans{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero .promesse{margin-top:24px}
.pastilles{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0;padding:0;list-style:none}
.pastilles li{font-size:13.5px;font-weight:600;color:var(--navy);background:var(--fond2);
  border:1px solid var(--trait);border-radius:999px;padding:6px 14px}
.encart{background:var(--fond2);border:1px solid var(--trait);border-radius:16px;
  padding:26px 28px}
.encart h3{color:var(--navy)}
.encart ul{margin:0;padding-left:20px}
.encart li{margin-bottom:9px}

.btn{display:inline-flex;align-items:center;gap:8px;background:var(--navy);color:#fff;
  text-decoration:none;font-weight:650;font-size:16px;padding:13px 24px;border-radius:11px;
  border:1px solid var(--navy);cursor:pointer;font-family:inherit}
.btn:hover{background:#17395a}
.btn.clair{background:#fff;color:var(--navy)}
.btn.clair:hover{background:var(--fond2)}
.boutons{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

/* --- grilles --- */
.grille{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:22px}
.carte{background:#fff;border:1px solid var(--trait);border-radius:16px;padding:26px 24px}
.carte .ic{font-size:26px;line-height:1;margin-bottom:14px;display:block}
.carte p:last-child{margin-bottom:0}
.carte.plein{background:var(--navy);color:#dbe7f2;border-color:var(--navy)}
.carte.plein h3{color:#fff}

/* --- étapes --- */
.etapes{counter-reset:e;display:grid;gap:20px;margin:0;padding:0;list-style:none}
.etapes li{counter-increment:e;display:grid;grid-template-columns:44px 1fr;gap:18px;
  align-items:start}
.etapes li::before{content:counter(e);width:44px;height:44px;border-radius:12px;
  background:var(--fond2);border:1px solid var(--trait);color:var(--navy);
  display:grid;place-items:center;font-weight:800;font-size:17px}
.etapes h3{margin-bottom:4px}
.etapes p{margin:0;font-size:15.5px}

/* --- chiffres --- */
.chiffres{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:20px}
.chiffre{background:#fff;border:1px solid var(--trait);border-radius:14px;padding:20px 22px}
.chiffre b{display:block;font-size:32px;line-height:1;color:var(--navy);font-weight:800}
.chiffre span{display:block;font-size:14px;color:var(--gris);margin-top:8px}

/* --- textes légaux --- */
.doc{max-width:74ch}
.doc h2{margin-top:34px;font-size:21px;color:var(--navy);padding-bottom:8px;
  border-bottom:1px solid var(--trait)}
.doc dl{margin:0 0 18px}
.doc dt{font-weight:700;color:var(--encre);margin-top:12px;font-size:15px}
.doc dd{margin:2px 0 0;font-size:15.5px}
.avis{background:#fff8e6;border:1px solid #f0dca8;border-left:4px solid var(--accent);
  border-radius:10px;padding:14px 18px;font-size:15.5px;color:#6b5300;margin:0 0 20px}

/* --- formulaire --- */
form.contact{max-width:560px}
.champ{margin-bottom:18px}
.champ label{display:block;font-weight:650;font-size:15px;color:var(--encre);margin-bottom:6px}
.champ input,.champ textarea,.champ select{width:100%;padding:12px 14px;font-size:16px;
  font-family:inherit;border:1px solid #c9d2dc;border-radius:10px;background:#fff;color:var(--encre)}
.champ input:focus,.champ textarea:focus,.champ select:focus{outline:2px solid var(--navy-clair);
  outline-offset:1px;border-color:var(--navy)}
.champ .aide{font-size:13px;color:var(--gris);margin-top:5px}
.pot{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.cases{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;margin-bottom:20px}
.cases input{width:18px;height:18px;margin-top:3px;flex-shrink:0}
.msg{border-radius:11px;padding:14px 18px;font-size:15.5px;margin-bottom:22px;max-width:560px}
.msg.ok{background:#e8f6ee;border:1px solid #b9e0c9;color:#0a6b43}
.msg.ko{background:#fdf0f0;border:1px solid #f3c9c9;color:#a3211f}

/* --- pied --- */
.pied{background:var(--encre);color:#a8b6c4;margin-top:70px;padding:44px 0 26px;font-size:14.5px}
.pied a{color:#cfe0f0;text-decoration:none}
.pied a:hover{text-decoration:underline}
.pied b{color:#fff}
.colonnes{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:30px}
.copy{margin:32px 0 0;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8695a5}

@media(max-width:820px){
  .hero{padding:44px 0 40px}
  .hero .dedans{grid-template-columns:1fr;gap:32px}
  section{padding:44px 0}
  .marque small{display:none}
  body{font-size:16.5px}
}
@media print{
  .tete nav,.boutons,.saut{display:none}
  body{font-size:12pt}
  .pied{background:none;color:#333}
}