/* ===== OEPR — feuille de style partagée ===== */
:root{
  --navy:#0e2a4d;
  --navy-deep:#081a33;
  --blue:#1f7fc7;
  --sky:#3ea8e8;
  --gold:#c99a3f;
  --gold-light:#e6c777;
  --bg:#f6f7f9;
  --surface:#ffffff;
  --surface-alt:#eef1f5;
  --ink:#16232f;
  --ink-soft:#4b5b6b;
  --border:#dde3ea;
  --success-bg:#e9f7ef;
  --success-ink:#1e6b3c;
  --shadow: 0 12px 28px rgba(14,42,77,0.12);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0b1420;
    --surface:#12202f;
    --surface-alt:#16283a;
    --ink:#eef2f6;
    --ink-soft:#a9b8c6;
    --border:#223449;
    --success-bg:#123024;
    --success-ink:#7fd8a3;
    --shadow: 0 12px 28px rgba(0,0,0,0.4);
  }
}
:root[data-theme="dark"]{
  --bg:#0b1420;
  --surface:#12202f;
  --surface-alt:#16283a;
  --ink:#eef2f6;
  --ink-soft:#a9b8c6;
  --border:#223449;
  --success-bg:#123024;
  --success-ink:#7fd8a3;
  --shadow: 0 12px 28px rgba(0,0,0,0.4);
}

*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block;}
a{color:inherit;}
.wrap{max-width:1180px; margin:0 auto; padding-inline:20px;}
h1,h2,h3,h4{
  font-family:"Oswald", "Arial Narrow", sans-serif;
  text-transform:uppercase;
  letter-spacing:0.02em;
  color:var(--navy);
  text-wrap:balance;
  margin:0 0 0.5em;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) h1, :root:not([data-theme="light"]) h2, :root:not([data-theme="light"]) h3, :root:not([data-theme="light"]) h4{ color:#eaf1fa; }
}
:root[data-theme="dark"] h1, :root[data-theme="dark"] h2, :root[data-theme="dark"] h3, :root[data-theme="dark"] h4{ color:#eaf1fa; }

.eyebrow{
  font-family:"Oswald", sans-serif;
  text-transform:uppercase;
  letter-spacing:0.18em;
  font-size:0.78rem;
  color:var(--gold);
  font-weight:600;
  margin-bottom:0.6em;
  display:block;
}
p{color:var(--ink-soft); margin:0 0 1em;}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:var(--navy-deep);
  border-bottom:3px solid var(--gold);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:10px;
  gap:16px;
}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none;}
.brand img{height:46px; width:auto; max-width:220px;}
.brand-text{
  font-family:"Oswald", sans-serif;
  color:#fff;
  font-size:0.85rem;
  line-height:1.15;
  text-transform:uppercase;
  letter-spacing:0.03em;
}
.brand-text b{color:var(--gold-light); display:block; font-size:1rem;}
@media (max-width:420px){ .brand img{height:36px;} }

nav.main-nav{display:flex; align-items:center; gap:4px;}
nav.main-nav a{
  color:#dce7f2;
  text-decoration:none;
  font-family:"Oswald", sans-serif;
  text-transform:uppercase;
  font-size:0.85rem;
  letter-spacing:0.04em;
  padding:10px 14px;
  border-radius:6px;
  transition:background .15s, color .15s;
}
nav.main-nav a:hover{background:rgba(255,255,255,0.08); color:#fff;}
nav.main-nav a.active{color:var(--gold-light);}
.btn-nav-cta{
  background:var(--gold); color:var(--navy-deep) !important;
  font-weight:700;
}
.btn-nav-cta:hover{background:var(--gold-light) !important;}

.nav-toggle{
  display:none;
  background:none; border:1px solid rgba(255,255,255,0.3); border-radius:6px;
  color:#fff; padding:8px 10px; font-size:1.1rem; cursor:pointer;
}
@media (max-width: 880px){
  nav.main-nav{
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; align-items:stretch;
    background:var(--navy-deep);
    padding:8px 16px 16px;
    border-bottom:3px solid var(--gold);
    display:none;
  }
  nav.main-nav.open{display:flex;}
  .nav-toggle{display:inline-block;}
}

/* ---------- Hero (page d'accueil) ---------- */
.hero{
  position:relative;
  background:linear-gradient(180deg, var(--navy-deep), var(--navy));
}
.hero-media{width:100%; display:block;}
.hero-media img{width:100%; height:auto; display:block;}

.page-banner{
  position:relative;
  background:linear-gradient(180deg, rgba(8,26,51,0.78), rgba(8,26,51,0.55)), var(--navy);
  background-size:cover; background-position:center;
  padding:70px 0 46px;
  text-align:center;
}
.page-banner h1{color:#fff; margin-bottom:0.3em;}
.page-banner p.lead{color:#dce7f2; max-width:640px; margin-inline:auto;}

/* ---------- Sections ---------- */
section{padding:64px 0;}
section.alt{background:var(--surface-alt);}
.section-head{max-width:680px; margin:0 auto 40px; text-align:center;}

.grid{display:grid; gap:24px;}
.grid.cols-3{grid-template-columns:repeat(3, 1fr);}
.grid.cols-4{grid-template-columns:repeat(4, 1fr);}
.grid.cols-2{grid-template-columns:repeat(2, 1fr);}
@media (max-width:880px){
  .grid.cols-3, .grid.cols-4, .grid.cols-2{grid-template-columns:1fr;}
}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  padding:28px 24px;
  box-shadow:var(--shadow);
}
.card .icon{
  width:46px; height:46px; border-radius:10px;
  background:linear-gradient(135deg, var(--blue), var(--navy));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:1.3rem; margin-bottom:16px;
}
.card h3{font-size:1.05rem; margin-bottom:8px;}
.card p{margin-bottom:0; font-size:0.94rem;}

.image-frame{
  border-radius:14px; overflow:hidden;
  box-shadow:var(--shadow);
  border:3px solid var(--gold);
}
.image-frame img{width:100%; height:auto; display:block; cursor:zoom-in;}
.caption{
  text-align:center; font-size:0.85rem; color:var(--ink-soft);
  margin-top:10px; font-style:italic;
}

/* Lightbox (agrandissement des photos au clic) */
.lightbox-overlay{
  position:fixed; inset:0; z-index:9999;
  background:rgba(8,14,26,0.92);
  display:flex; align-items:center; justify-content:center;
  padding:32px; cursor:zoom-out;
  opacity:0; visibility:hidden; transition:opacity 0.2s ease;
}
.lightbox-overlay.open{opacity:1; visibility:visible;}
.lightbox-overlay img{
  max-width:92vw; max-height:88vh; width:auto; height:auto;
  border-radius:10px; box-shadow:0 20px 60px rgba(0,0,0,0.5);
  border:3px solid var(--gold);
}
.lightbox-close{
  position:absolute; top:18px; right:24px;
  color:#fff; font-size:2.2rem; line-height:1; cursor:pointer;
  background:none; border:none; font-weight:300;
}

.gallery-grid .image-frame{aspect-ratio:4/3; overflow:hidden;}
.gallery-grid .image-frame img{width:100%; height:100%; object-fit:cover; display:block;}

.video-frame{
  position:relative; width:100%;
  aspect-ratio:16/9;
  border-radius:14px; overflow:hidden;
  box-shadow:var(--shadow);
  border:3px solid var(--gold);
}
.video-frame iframe{position:absolute; inset:0; width:100%; height:100%; border:0;}

.cta-row{display:flex; gap:14px; flex-wrap:wrap; justify-content:center; margin-top:28px;}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:"Oswald", sans-serif;
  text-transform:uppercase; letter-spacing:0.03em; font-size:0.9rem;
  padding:13px 26px; border-radius:8px;
  text-decoration:none; font-weight:600;
  border:2px solid transparent; cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--gold); color:var(--navy-deep);}
.btn-primary:hover{box-shadow:0 8px 18px rgba(201,154,63,0.4);}
.btn-outline{background:transparent; border-color:#fff; color:#fff;}
.btn-outline-navy{background:transparent; border-color:var(--navy); color:var(--navy);}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .btn-outline-navy{border-color:#eaf1fa; color:#eaf1fa;} }
:root[data-theme="dark"] .btn-outline-navy{border-color:#eaf1fa; color:#eaf1fa;}

.stat-strip{
  background:var(--navy-deep);
  border-top:3px solid var(--gold);
  padding:34px 0;
}
.stat-strip .grid{text-align:center;}
.stat-strip .item{color:#dce7f2; font-family:"Oswald", sans-serif; text-transform:uppercase; font-size:0.85rem; letter-spacing:0.03em;}
.stat-strip .item span{display:block; color:var(--gold-light); font-size:1.5rem; margin-bottom:4px;}

/* ---------- Formulaires ---------- */
.form-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px;
  padding:34px;
  box-shadow:var(--shadow);
  max-width:760px;
  margin:0 auto;
}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
@media (max-width:640px){.field-row{grid-template-columns:1fr;}}
.field{margin-bottom:18px;}
.field label{
  display:block; font-size:0.85rem; font-weight:600; color:var(--ink);
  margin-bottom:6px;
}
.field .required{color:#c0392b;}
.field input, .field select, .field textarea{
  width:100%; padding:11px 13px;
  border:1px solid var(--border); border-radius:8px;
  background:var(--bg); color:var(--ink);
  font-family:inherit; font-size:0.95rem;
}
.field textarea{resize:vertical; min-height:90px;}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--blue); outline-offset:1px;
}
.checkbox-field{display:flex; align-items:flex-start; gap:10px; margin-bottom:20px;}
.checkbox-field input{width:auto; margin-top:4px;}
.checkbox-field label{font-size:0.88rem; color:var(--ink-soft); font-weight:400;}

.radio-group{display:flex; gap:22px; margin-bottom:6px;}
.radio-group label{display:flex; align-items:center; gap:6px; font-weight:400; font-size:0.92rem; color:var(--ink); margin-bottom:0;}
.radio-group input{width:auto;}

.form-subhead{
  font-family:"Oswald", sans-serif; text-transform:uppercase; letter-spacing:0.03em;
  font-size:0.95rem; color:var(--navy); margin:26px 0 12px;
  padding-bottom:8px; border-bottom:2px solid var(--border);
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .form-subhead{color:#eaf1fa;} }
:root[data-theme="dark"] .form-subhead{color:#eaf1fa;}
.form-subhead:first-child{margin-top:0;}
.form-hint{font-size:0.82rem; color:var(--ink-soft); margin:-10px 0 16px; font-style:italic;}

.form-submit{width:100%; justify-content:center; font-size:1rem; padding:14px;}

.alert{
  border-radius:10px; padding:16px 18px; margin-bottom:22px;
  font-size:0.92rem; display:none;
}
.alert.show{display:block;}
.alert-success{background:var(--success-bg); color:var(--success-ink); border:1px solid var(--success-ink);}
.alert-error{background:#fdecea; color:#a83226; border:1px solid #a83226;}

/* ---------- Contenu texte (déclaration) ---------- */
.content-block{max-width:820px; margin:0 auto;}
.content-block h2{margin-top:1.6em;}
.content-block ol, .content-block ul{color:var(--ink-soft); padding-left:1.3em;}
.content-block li{margin-bottom:0.5em;}
.numbered-steps{list-style:none; padding:0; counter-reset:step;}
.numbered-steps li{
  counter-increment:step;
  position:relative;
  padding:14px 14px 14px 56px;
  margin-bottom:12px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
}
.numbered-steps li::before{
  content:counter(step);
  position:absolute; left:14px; top:50%; transform:translateY(-50%);
  width:28px; height:28px; border-radius:50%;
  background:var(--navy); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family:"Oswald", sans-serif; font-weight:600;
}
.charter-list{list-style:none; padding:0;}
.charter-list li{
  display:flex; gap:12px; align-items:flex-start;
  padding:10px 0; border-bottom:1px dashed var(--border);
}
.charter-list li::before{content:"✓"; color:var(--blue); font-weight:700; font-size:1.1rem;}
.note-box{
  background:var(--surface-alt); border-left:4px solid var(--gold);
  border-radius:8px; padding:18px 20px; margin:24px 0;
  font-size:0.92rem; color:var(--ink-soft);
}

/* ---------- Footer ---------- */
footer.site-footer{
  background:var(--navy-deep);
  color:#c8d4e0;
  padding:48px 0 24px;
  margin-top:0;
}
footer .grid{grid-template-columns:1.4fr 1fr 1fr;}
@media (max-width:880px){footer .grid{grid-template-columns:1fr;}}
footer h4{color:#fff; font-size:0.95rem;}
footer a{color:#c8d4e0; text-decoration:none; font-size:0.9rem;}
footer a:hover{color:var(--gold-light);}
footer ul{list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px;}
.footer-logo{height:96px; width:auto; margin-bottom:14px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12);
  margin-top:36px; padding-top:18px;
  text-align:center; font-size:0.8rem; color:#8ea0b3;
}

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ---------- Bouton WhatsApp flottant ---------- */
.whatsapp-float{
  position:fixed; right:20px; bottom:20px; z-index:200;
  display:flex; align-items:center; gap:10px;
  background:#25D366; color:#fff;
  padding:13px 20px 13px 15px;
  border-radius:999px;
  box-shadow:0 10px 24px rgba(0,0,0,0.28);
  text-decoration:none;
  font-family:"Oswald", sans-serif;
  text-transform:uppercase; letter-spacing:0.03em; font-size:0.85rem; font-weight:600;
  transition:transform .15s ease, box-shadow .15s ease;
}
.whatsapp-float:hover{transform:translateY(-2px); box-shadow:0 14px 30px rgba(0,0,0,0.32);}
.whatsapp-float svg{flex-shrink:0;}
@media (max-width:520px){
  .whatsapp-float span{display:none;}
  .whatsapp-float{padding:14px; right:16px; bottom:16px;}
}

/* ---------- Attestation preview ---------- */
.certificate-preview{
  border:3px solid var(--gold);
  border-radius:12px;
  padding:30px;
  background:var(--surface);
  text-align:center;
  max-width:560px;
  margin:26px auto 0;
}
.certificate-preview img{height:50px; margin:0 auto 12px;}
.certificate-preview .name{font-family:"Oswald"; font-size:1.4rem; color:var(--navy); margin:10px 0;}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .certificate-preview .name{color:#eaf1fa;} }
:root[data-theme="dark"] .certificate-preview .name{color:#eaf1fa;}