:root{--bleu:#17458F;--bleu-fonce:#0F2F66;--or:#F7A81B;--or-clair:#FFC04D;--fond:#FFFFFF;--fond-doux:#F3F6FB;--texte:#1B2433;--gris:#4A5568;--filet:#D5DCE8}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--texte);background:var(--fond);line-height:1.65;font-size:1.0625rem}
img{max-width:100%;height:auto;display:block}
a{color:var(--bleu);text-underline-offset:.15em}
a:hover{color:var(--bleu-fonce)}
:focus-visible{outline:3px solid var(--or);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--or);color:var(--bleu-fonce);padding:.6rem 1rem;z-index:30;font-weight:700}
.skip:focus{left:1rem;top:1rem}
.wrap{width:min(100% - 2rem,66rem);margin-inline:auto}
.etroit{max-width:44rem}

/* en-tête */
header.site{background:var(--bleu);color:#fff;z-index:20;box-shadow:0 2px 6px rgba(0,0,0,.2)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.4rem 1.25rem;padding-block:.55rem}
header.site .logo img{height:44px;width:auto}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.1rem 1rem;align-items:center}
nav a{color:#fff;text-decoration:none;font-weight:600;font-size:.95rem;padding:.3rem 0;display:inline-block;border-bottom:3px solid transparent}
nav a:hover{color:#fff;border-bottom-color:var(--or)}
nav a.nav-cta{background:var(--or);color:var(--bleu-fonce);padding:.45rem .9rem;border-radius:.35rem;border:0}
nav a.nav-cta:hover{background:var(--or-clair);color:var(--bleu-fonce)}
@media (min-width:60rem){header.site{position:sticky;top:0}}

/* boutons */
.btn{display:inline-block;background:var(--or);color:var(--bleu-fonce);font-weight:700;padding:.8rem 1.45rem;border-radius:.4rem;text-decoration:none;line-height:1.3;border:2px solid var(--or)}
.btn:hover{background:var(--or-clair);border-color:var(--or-clair);color:var(--bleu-fonce)}
.btn.second{background:transparent;color:#fff;border-color:#fff}
.btn.second:hover{background:rgba(255,255,255,.14);color:#fff}
.btn.contour{background:transparent;color:var(--bleu);border-color:var(--bleu)}
.btn.contour:hover{background:var(--bleu);color:#fff}
.cta{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.4rem}

/* hero */
.hero{background:linear-gradient(135deg,var(--bleu) 0%,var(--bleu-fonce) 100%);color:#fff;padding:4rem 0 4.2rem}
.hero .wrap{display:grid;gap:2.5rem;grid-template-columns:1.5fr 1fr;align-items:center}
.surtitre{color:var(--or);font-weight:700;text-transform:uppercase;letter-spacing:.07em;font-size:.88rem;margin:0 0 .6rem}
.hero h1{font-size:clamp(1.9rem,4.6vw,3rem);line-height:1.15;margin:0 0 1rem}
.hero p.chapeau{font-size:1.15rem;max-width:40rem;margin:0}
.identite{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.4rem 0 0;padding:0;list-style:none}
.identite li{border:1px solid rgba(255,255,255,.55);padding:.3rem .85rem;border-radius:2rem;font-weight:600;font-size:.92rem}
.hero .photo-hero{justify-self:center;width:100%;border-radius:.8rem;border:4px solid var(--or);aspect-ratio:4/3;object-fit:cover}
@media (max-width:48rem){.hero{padding:2.6rem 0 3rem}.hero .wrap{grid-template-columns:1fr}.hero .photo-hero{order:-1;max-height:15rem}}

/* sections */
section{padding:3.6rem 0}
section.doux{background:var(--fond-doux)}
h2{color:var(--bleu);font-size:clamp(1.5rem,3.4vw,2.05rem);margin:0 0 1rem;line-height:1.2}
h2::after{content:"";display:block;width:3.5rem;height:4px;background:var(--or);margin-top:.55rem}
h3{color:var(--bleu-fonce);margin:0 0 .4rem;font-size:1.2rem;line-height:1.3}
.intro{font-size:1.1rem;max-width:46rem;margin:0 0 1.6rem}
.cols{display:grid;gap:2.2rem;grid-template-columns:repeat(auto-fit,minmax(19rem,1fr));align-items:start}
.grille{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));margin-top:1.5rem}
.carte{background:#fff;border:1px solid var(--filet);border-top:4px solid var(--or);border-radius:.5rem;overflow:hidden;display:flex;flex-direction:column}
.carte .corps{padding:1.1rem 1.25rem 1.3rem}
.carte p{margin:.4rem 0 0}
.carte img{width:100%;height:12rem;object-fit:cover;background:var(--fond-doux)}
.carte img.contenu{object-fit:contain;padding:1rem}
.cadre{background:#fff;border-left:5px solid var(--bleu);padding:1.2rem 1.4rem;border-radius:.3rem}
.cadre p{margin:.4rem 0 0}
ul.propre{padding-left:1.2rem;margin:.5rem 0 0}
ul.propre li{margin:.25rem 0}
.photo-vie{width:100%;max-height:18rem;object-fit:cover;border-radius:.6rem;margin:0 0 1.8rem}
.note{font-size:.92rem;color:var(--gris)}
.lien-suite{font-weight:700}

/* piliers */
.piliers{display:grid;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));margin-top:1.4rem}
.pilier{background:#fff;border:1px solid var(--filet);border-radius:.5rem;padding:1.3rem 1.3rem 1.4rem}
.pilier .num{display:inline-block;background:var(--bleu);color:#fff;border-radius:50%;width:2.1rem;height:2.1rem;line-height:2.1rem;text-align:center;font-weight:700;margin-bottom:.5rem}
.pilier p{margin:.3rem 0 0}

/* voies d'action */
.voies{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));margin:1.2rem 0 0;padding:0;list-style:none}
.voies li{background:#fff;border:1px solid var(--filet);border-radius:.5rem;padding:1rem 1.1rem}
.voies strong{display:block;color:var(--bleu);margin-bottom:.25rem}
.voies span{display:block;font-size:.94rem;color:var(--gris);margin-top:.35rem}

/* chiffres */
.chiffres{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(12.5rem,1fr));margin:1.2rem 0 0;padding:0;list-style:none}
.chiffres li{background:var(--bleu);color:#fff;border-radius:.5rem;padding:1.1rem 1.2rem}
.chiffres b{display:block;color:var(--or);font-size:2rem;line-height:1.1;margin-bottom:.3rem}
.chiffres span{font-size:.95rem}

/* frise */
.frise{list-style:none;margin:1.2rem 0 0;padding:0 0 0 1.3rem;border-left:3px solid var(--or)}
.frise li{position:relative;margin:0 0 1rem;padding-left:.6rem}
.frise li::before{content:"";position:absolute;left:-1.82rem;top:.55rem;width:.75rem;height:.75rem;border-radius:50%;background:var(--bleu);border:2px solid #fff}
.frise b{color:var(--bleu)}

/* bande d'appel */
.bande{background:var(--or);color:var(--bleu-fonce);padding:2.2rem 0}
.bande .wrap{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between}
.bande p{margin:0;font-size:1.25rem;font-weight:700;max-width:36rem}
.bande .btn{background:var(--bleu);border-color:var(--bleu);color:#fff}
.bande .btn:hover{background:var(--bleu-fonce);border-color:var(--bleu-fonce);color:#fff}

/* étapes */
ol.etapes{counter-reset:e;list-style:none;margin:1rem 0 0;padding:0}
ol.etapes li{counter-increment:e;position:relative;padding:.1rem 0 .9rem 3rem}
ol.etapes li::before{content:counter(e);position:absolute;left:0;top:0;width:2.1rem;height:2.1rem;border-radius:50%;background:var(--or);color:var(--bleu-fonce);font-weight:700;text-align:center;line-height:2.1rem}

/* conférences */
.conf{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.7rem}
.conf li{background:#fff;border:1px solid var(--filet);border-radius:.4rem;padding:.8rem 1rem}
.conf b{color:var(--bleu)}
.conf small{display:block;color:var(--gris);font-size:.9rem}

/* contact */
.contact-boite{background:var(--bleu);color:#fff;border-radius:.7rem;padding:2rem 2rem 2.2rem}
.contact-boite h2{color:#fff}
.contact-boite a{color:#fff}
.contact-boite a.btn{color:var(--bleu-fonce)}
.contact-boite ul{list-style:none;padding:0;margin:1rem 0 0}
.contact-boite li{margin:.5rem 0}
.placeholder{background:#FFF3CD;color:#5C4400;padding:.1rem .45rem;border-radius:.25rem;font-weight:700;border:1px dashed #B58100}

/* pied */
footer{background:var(--bleu-fonce);color:#fff;padding:2.4rem 0 5.5rem;font-size:.95rem}
footer a{color:#fff}
footer h2{color:#fff;font-size:1.15rem}
footer h2::after{display:none}
footer p{margin:.4rem 0}
footer .haut{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between;margin-bottom:1.6rem}
footer .haut img{height:44px;width:auto}
footer .legal{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));border-top:1px solid rgba(255,255,255,.3);padding-top:1.4rem}

/* bouton flottant mobile */
.flottant{position:fixed;right:1rem;bottom:1rem;z-index:25;box-shadow:0 3px 10px rgba(0,0,0,.35)}
@media (min-width:60rem){.flottant{display:none}footer{padding-bottom:2.4rem}}
@media (max-width:40rem){section{padding:2.5rem 0}.contact-boite{padding:1.5rem 1.2rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* sous-pages */
.entete-page{background:linear-gradient(135deg,var(--bleu) 0%,var(--bleu-fonce) 100%);color:#fff;padding:3rem 0 3.2rem}
.entete-page h1{font-size:clamp(1.8rem,4.2vw,2.7rem);line-height:1.15;margin:0 0 .8rem}
.entete-page p.chapeau{font-size:1.15rem;max-width:44rem;margin:0}
.fil{font-size:.92rem;margin:0 0 1rem}
.fil a{color:#fff}
.bandeau-image{width:100%;aspect-ratio:16/7;object-fit:cover;border-radius:.6rem;margin:0 0 2rem;background:var(--fond-doux)}
.liens-externes{display:flex;flex-wrap:wrap;gap:.7rem;margin:1.2rem 0 0}
.faits{margin:1rem 0 0;padding:0;list-style:none;display:grid;gap:.7rem}
.faits li{background:#fff;border:1px solid var(--filet);border-left:5px solid var(--or);border-radius:.3rem;padding:.8rem 1rem}
.faits b{color:var(--bleu)}
.lien-carte{display:inline-block;margin-top:.7rem;font-weight:700}
.conf-grille{grid-template-columns:repeat(auto-fit,minmax(18rem,1fr))}
.frise{margin-top:1rem}

/* Formulaire de contact */
.formulaire{max-width:42rem;margin-top:1.4rem}
.formulaire label{display:block;font-weight:600;margin:.9rem 0 .3rem}
.formulaire input[type=text],.formulaire input[type=email],.formulaire input[type=tel],.formulaire select,.formulaire textarea{width:100%;padding:.7rem .8rem;border:2px solid #8a94a6;border-radius:6px;font:inherit;background:#fff;color:#1b1b1b}
.formulaire input:focus,.formulaire select:focus,.formulaire textarea:focus{outline:3px solid #F7A81B;outline-offset:1px;border-color:#17458F}
.formulaire .consent{display:flex;gap:.6rem;align-items:flex-start;font-weight:400;margin:1.1rem 0}
.formulaire .consent input{margin-top:.3rem;width:1.1rem;height:1.1rem;flex:none}
.formulaire .piege{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.formulaire .retour{margin-top:1rem;font-weight:600}
.formulaire .retour.ok{color:#14663a}.formulaire .retour.erreur{color:#a4161a}
.formulaire .retour:empty{display:none}
.formulaire button[disabled]{opacity:.6;cursor:wait}

/* Bloc partenaires, FAQ, liens simples */
.sponsor{margin:2.2rem 0 1.4rem;padding:1.4rem 1.6rem;border-left:5px solid #F7A81B;background:#f4f7fc;border-radius:0 8px 8px 0}
.sponsor h2{margin-top:0}
.lien-simple{margin-left:1.2rem;font-weight:600}
details.faq{border:1px solid #c9d3e3;border-radius:8px;background:#fff;margin:.7rem 0;padding:.2rem 1rem}
details.faq summary{cursor:pointer;font-weight:700;padding:.7rem 0;color:#17458F}
details.faq summary:focus-visible{outline:3px solid #F7A81B;outline-offset:2px}
details.faq p{margin:.2rem 0 .9rem}
.contact-boite .note{color:#e6ecf7}