:root{
    --profond:#003a5d; --bleu:#0073b1; --turq:#00a3a3; --sable:#f5f1e8;
    --vert:#2e8b57; --orange:#e08a1e; --gris:#5a6b76; --bord:#dbe3e9;
    --encre:#23323b; --ombre:0 8px 30px rgba(0,58,93,.10);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;font-family:'Segoe UI',Roboto,-apple-system,Arial,sans-serif;color:var(--encre);background:#fff;line-height:1.6}
  img{max-width:100%;display:block}
  a{color:var(--bleu);text-decoration:none}
  h1,h2,h3{line-height:1.2;color:var(--profond);margin:0 0 .4em}
  .wrap{max-width:1120px;margin:0 auto;padding:0 20px}
  .btn{display:inline-block;border-radius:999px;padding:12px 24px;font-weight:700;font-size:1rem;cursor:pointer;border:2px solid transparent;transition:transform .1s ease, box-shadow .2s ease}
  .btn:active{transform:translateY(1px)}
  .btn-primary{background:var(--orange);color:#fff;box-shadow:0 4px 14px rgba(224,138,30,.35)}
  .btn-primary:hover{box-shadow:0 6px 20px rgba(224,138,30,.45)}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
  .btn-ghost:hover{background:rgba(255,255,255,.12)}
  .btn-blue{background:var(--profond);color:#fff}

  /* ---- En-tête ---- */
  header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--bord)}
  .nav{display:flex;align-items:center;gap:14px;height:66px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--profond);font-size:1.05rem}
  .brand img{width:40px;height:40px;border-radius:8px}
  .nav-links{margin-left:auto;display:flex;align-items:center;gap:22px}
  .nav-links a{color:var(--profond);font-weight:600;font-size:.95rem}
  .nav-links a:hover{color:var(--bleu)}
  .nav-links a.btn-blue,.nav-links a.btn-blue:hover{color:#fff}
  .nav-links .btn{padding:9px 18px;font-size:.9rem}
  .burger{margin-left:auto;display:none;background:none;border:0;font-size:1.6rem;color:var(--profond);cursor:pointer}
  @media(max-width:820px){
    .nav-links{position:fixed;inset:66px 0 auto 0;flex-direction:column;background:#fff;padding:18px 20px;gap:16px;border-bottom:1px solid var(--bord);box-shadow:var(--ombre);display:none}
    .nav-links.open{display:flex}
    .nav-links a{width:100%}
    .burger{display:block}
  }

  /* ---- Hero ---- */
  .hero{position:relative;color:#fff;background:linear-gradient(135deg,#00243b 0%,var(--profond) 40%,var(--bleu) 100%);overflow:hidden}
  .hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%, rgba(0,163,163,.35), transparent 55%);pointer-events:none}
  .hero .wrap{position:relative;z-index:1;padding:78px 20px 96px;text-align:center}
  .hero h1{color:#fff;font-size:2.7rem;margin-bottom:.2em}
  .hero .kicker{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);padding:6px 14px;border-radius:999px;font-size:.85rem;font-weight:600;letter-spacing:.02em;margin-bottom:20px}
  .hero p.lead{font-size:1.2rem;max-width:640px;margin:0 auto 30px;color:rgba(255,255,255,.92)}
  .hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
  .wave{display:block;width:100%;height:60px;margin-top:-1px}
  @media(max-width:640px){ .hero h1{font-size:2rem} .hero .wrap{padding:56px 20px 74px} }

  /* ---- Sections ---- */
  section{padding:64px 0}
  .section-head{text-align:center;max-width:640px;margin:0 auto 44px}
  .section-head h2{font-size:2rem}
  .section-head p{color:var(--gris);font-size:1.08rem;margin:0}
  .eyebrow{color:var(--turq);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem}
  .alt{background:var(--sable)}

  .grid{display:grid;gap:22px}
  .cols-3{grid-template-columns:repeat(3,1fr)}
  .cols-2{grid-template-columns:repeat(2,1fr)}
  @media(max-width:860px){.cols-3{grid-template-columns:1fr 1fr}.cols-2{grid-template-columns:1fr}}
  @media(max-width:560px){.cols-3{grid-template-columns:1fr}}

  .card{background:#fff;border:1px solid var(--bord);border-radius:16px;padding:26px;box-shadow:var(--ombre)}
  .card .ic{font-size:2rem;display:block;margin-bottom:10px}
  .card h3{font-size:1.2rem;margin-bottom:.3em}
  .card p{margin:0;color:var(--gris)}

  .steps{counter-reset:s;display:grid;gap:16px;max-width:760px;margin:0 auto}
  .step{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--bord);border-radius:14px;padding:18px 20px}
  .step::before{counter-increment:s;content:counter(s);flex:0 0 auto;width:38px;height:38px;border-radius:50%;background:var(--profond);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
  .step h3{margin:.1em 0 .2em;font-size:1.08rem}
  .step p{margin:0;color:var(--gris)}

  /* ---- Cartes activités ---- */
  .act .ic{font-size:2.2rem}
  .act .creneaux{margin:14px 0 0;padding:12px 14px;background:var(--sable);border-radius:10px;font-size:.95rem;line-height:1.5}
  .act .creneaux b{color:var(--profond)}
  .act .reprise{display:inline-block;margin-top:12px;background:#e8f5ee;border:1px solid #bfe3cf;color:var(--vert);border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:700}

  /* ---- Tarifs ---- */
  .tarifs{max-width:760px;margin:40px auto 0;background:#fff;border:1px solid var(--bord);border-radius:16px;padding:26px 28px;box-shadow:var(--ombre)}
  .tarifs h3{text-align:center;font-size:1.25rem;margin-bottom:.2em}
  .tarifs .note{color:var(--gris);font-size:.92rem;text-align:center;margin:0}
  .tarifs ul{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:11px}
  .tarifs li{display:flex;justify-content:space-between;align-items:baseline;gap:16px;border-bottom:1px dashed var(--bord);padding-bottom:10px}
  .tarifs li:last-child{border-bottom:0;padding-bottom:0}
  .tarifs .prix{font-weight:800;color:var(--profond);white-space:nowrap;font-size:1.05rem}
  .passsport{text-align:center;margin-top:20px}
  .passsport span{display:inline-block;background:#eef6fb;border:1px solid #cfe4f2;color:var(--profond);border-radius:999px;padding:6px 16px;font-weight:700;font-size:.9rem}

  .todo{background:#fff8e1;border:1px dashed #e0a800;color:#8a6d00;border-radius:8px;padding:2px 8px;font-size:.85em;font-weight:600}

  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
  @media(max-width:760px){.contact-grid{grid-template-columns:1fr}}
  .info-line{display:flex;gap:12px;align-items:center;margin-bottom:14px}
  .info-line .ic{font-size:1.4rem;width:28px;text-align:center}

  /* ---- Bandeau CTA ---- */
  .cta-band{background:linear-gradient(120deg,var(--turq),var(--bleu));color:#fff;text-align:center;border-radius:20px;padding:44px 28px;box-shadow:var(--ombre)}
  .cta-band h2{color:#fff;font-size:1.8rem}
  .cta-band p{color:rgba(255,255,255,.92);max-width:520px;margin:0 auto 24px}

  /* ---- Pied ---- */
  footer.site{background:var(--profond);color:rgba(255,255,255,.8);padding:46px 0 26px;font-size:.92rem}
  footer.site a{color:#fff}
  .foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:28px}
  @media(max-width:760px){.foot-grid{grid-template-columns:1fr}}
  footer .brand{color:#fff;margin-bottom:10px}
  footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;margin:0 0 12px}
  footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
  .foot-bot{border-top:1px solid rgba(255,255,255,.18);padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:rgba(255,255,255,.65)}

  /* ---- Formulaire de contact ---- */
  .form-intro{margin:0 0 18px}
  .form{display:grid;gap:16px}
  .field{display:grid;gap:6px}
  .field-l{font-weight:600;font-size:.9rem;color:var(--profond)}
  .form input,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--bord);border-radius:10px;font:inherit;color:var(--encre);background:#fff;transition:border-color .15s ease,box-shadow .15s ease}
  .form input::placeholder,.form textarea::placeholder{color:#9aa8b2}
  .form input:focus,.form textarea:focus{outline:none;border-color:var(--bleu);box-shadow:0 0 0 3px rgba(0,115,177,.16)}
  .form textarea{resize:vertical;min-height:130px}
  .form button{justify-self:start;margin-top:2px}
  .card .form-note{font-size:.86rem;line-height:1.5}
  .card .form-fallback{font-size:.9rem;margin-top:2px}

  /* ---- Pages de contenu (mentions legales) ---- */
  .legal{max-width:820px;margin:0 auto}
  .legal h2{font-size:1.5rem;margin-top:44px;padding-top:26px;border-top:1px solid var(--bord)}
  .legal h2:first-of-type{margin-top:0;padding-top:0;border-top:0}
  .legal h3{font-size:1.1rem;margin-top:26px}
  .legal p,.legal li{color:var(--gris)}
  .legal ul{padding-left:20px;display:grid;gap:7px;margin:0 0 16px}
  .legal .maj{color:var(--gris);font-size:.9rem;font-style:italic}
  .legal .encart{background:var(--sable);border:1px solid var(--bord);border-radius:14px;padding:18px 22px;margin:20px 0}
  .legal .encart p:last-child{margin-bottom:0}
  .legal dl{display:grid;gap:12px;margin:0 0 16px}
  .legal dt{font-weight:700;color:var(--profond)}
  .legal dd{margin:2px 0 0;color:var(--gris)}
  .legal .retour{display:inline-block;margin-bottom:26px;font-weight:600}