:root{
  --papier: #f6f1e7;
  --papier-fonce: #ece3d1;
  --encre: #1f2430;
  --encre-douce: #434a59;
  --bleu: #27456d;
  --bleu-clair: #4d6d93;
  --rouge: #8c2f3a;
  --or: #a9803f;
  --blanc: #ffffff;
  --ombre: 0 18px 50px -20px rgba(31,36,48,0.35);
  --rayon: 4px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Source Sans 3', sans-serif;
  color:var(--encre);
  background:var(--papier);
  line-height:1.65;
  font-size:17px;
}
h1,h2,h3,h4{
  font-family:'Lora', serif;
  font-weight:600;
  color:var(--encre);
  line-height:1.2;
  margin:0 0 .6em;
}
p{margin:0 0 1em;}
a{color:var(--bleu); text-decoration:none;}
a:hover{color:var(--rouge);}
img{max-width:100%; display:block;}
.enveloppe{max-width:1180px; margin-inline:auto; padding:0 28px;}
section{padding:96px 0;}
.etiquette{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--rouge); font-weight:700; margin-bottom:14px;
}
.etiquette::before{content:""; width:22px; height:2px; background:var(--rouge); display:inline-block;}
.chapeau{max-width:680px; color:var(--encre-douce); font-size:19px;}

/* Croix de Savoie - petit motif discret */
.croix-savoie{display:inline-block; width:18px; height:18px; position:relative; flex:none;}
.croix-savoie::before,.croix-savoie::after{content:""; position:absolute; background:var(--blanc);}
.croix-savoie::before{left:40%; top:0; width:20%; height:100%;}
.croix-savoie::after{top:40%; left:0; height:20%; width:100%;}
.croix-savoie-fond{background:var(--rouge); border-radius:3px; padding:4px; display:inline-flex;}

/* EN-TÊTE */
header{
  position:sticky; top:0; z-index:50;
  background:rgba(246,241,231,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(31,36,48,0.1);
}
.barre-nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px; max-width:1180px; margin:0 auto;
}
.marque{display:flex; align-items:center; gap:12px; text-decoration:none;}
.bloc-marque{
  width:46px; height:46px; border:2px solid var(--encre);
  display:flex; align-items:center; justify-content:center;
  font-family:'Lora', serif; font-weight:700; font-size:16px; letter-spacing:.03em;
  color:var(--encre); flex:none; position:relative;
}
.bloc-marque span{position:relative; top:-1px;}
.texte-marque{font-family:'Lora', serif; line-height:1.15;}
.texte-marque strong{display:block; font-size:16px; color:var(--encre); font-weight:700;}
.texte-marque small{display:block; font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--rouge); font-weight:600;}
nav.liens{display:flex; align-items:center; gap:30px;}
nav.liens a{font-weight:600; font-size:15px; color:var(--encre); white-space:nowrap;}
nav.liens a:hover{color:var(--rouge);}
nav.liens a.actif{color:var(--rouge);}
.bouton{
  display:inline-flex; align-items:center; gap:8px;
  padding:11px 22px; border-radius:var(--rayon);
  font-weight:700; font-size:15px; cursor:pointer; border:2px solid transparent;
  transition:all .15s ease;
}
.bouton-plein{background:var(--rouge); color:var(--blanc);}
.bouton-plein:hover{background:#71232c; color:var(--blanc);}
.bouton-contour{border-color:var(--encre); color:var(--encre); background:transparent;}
.bouton-contour:hover{border-color:var(--rouge); color:var(--rouge);}
.bouton-contour-clair{border-color:rgba(255,255,255,0.65); color:var(--blanc);}
.bouton-contour-clair:hover{border-color:var(--blanc); background:rgba(255,255,255,0.12);}
.bouton-menu-mobile{display:none; background:none; border:none; font-size:26px; color:var(--encre); cursor:pointer;}

/* HÉROS (accueil) */
.heros{
  position:relative; min-height:88vh; display:flex; align-items:center;
  color:var(--blanc); overflow:hidden;
  background:
    linear-gradient(180deg, rgba(20,24,34,0.72) 0%, rgba(20,24,34,0.5) 45%, rgba(20,24,34,0.88) 100%),
    url('https://commons.wikimedia.org/wiki/Special:FilePath/Massif%20du%20Mont-Blanc%20from%20Lac%20de%20Joux%20Plane%2001.jpg?width=2000') center 60%/cover no-repeat;
}
.heros-contenu{max-width:760px; padding:140px 0 90px;}
.heros .etiquette{color:#f0c9ab;}
.heros .etiquette::before{background:#f0c9ab;}
.heros h1{color:var(--blanc); font-size:clamp(34px,5vw,58px); margin-bottom:22px;}
.heros p.chapeau{color:rgba(255,255,255,0.88); font-size:20px; max-width:620px;}
.heros-boutons{display:flex; gap:16px; margin-top:34px; flex-wrap:wrap;}
.heros-agrements{
  margin-top:56px; display:flex; gap:28px; flex-wrap:wrap;
  font-size:13.5px; color:rgba(255,255,255,0.75); letter-spacing:.02em;
}
.heros-agrements div{display:flex; align-items:center; gap:8px;}

/* EN-TÊTE DE PAGE INTÉRIEURE */
.entete-page{
  position:relative; color:var(--blanc); padding:168px 0 72px;
  background:
    linear-gradient(180deg, rgba(20,24,34,0.8) 0%, rgba(20,24,34,0.72) 50%, rgba(20,24,34,0.9) 100%),
    url('https://commons.wikimedia.org/wiki/Special:FilePath/Massif%20du%20Mont-Blanc%20from%20Lac%20de%20Joux%20Plane%2001.jpg?width=1800') center 70%/cover no-repeat;
}
.entete-page .etiquette{color:#f0c9ab;}
.entete-page .etiquette::before{background:#f0c9ab;}
.entete-page h1{color:var(--blanc); font-size:clamp(30px,4.2vw,44px); margin-bottom:14px;}
.entete-page p.chapeau{color:rgba(255,255,255,0.85); font-size:18px;}

/* BANDEAU CITATION PLEINE LARGEUR */
.bandeau-citation{
  position:relative; color:var(--blanc); padding:120px 0;
  background:
    linear-gradient(180deg, rgba(31,36,48,0.82), rgba(31,36,48,0.82)),
    url('https://commons.wikimedia.org/wiki/Special:FilePath/Chambéry%20Château%20des%20Ducs%20de%20Savoie%20Extérieur%202.jpg?width=1800') center/cover no-repeat;
  text-align:center;
}
.bandeau-citation blockquote{
  font-family:'Lora', serif; font-style:italic; font-size:clamp(22px,3.4vw,34px);
  max-width:820px; margin:0 auto 18px; color:var(--blanc); font-weight:500;
}
.bandeau-citation cite{font-size:14px; letter-spacing:.1em; text-transform:uppercase; color:#f0c9ab; font-style:normal;}

/* SECTIONS GÉNÉRALES */
.fond-alterne{background:var(--papier-fonce);}
.grille-deux{display:grid; grid-template-columns:1.1fr .9fr; gap:64px; align-items:start;}
.grille-trois{display:grid; grid-template-columns:repeat(3,1fr); gap:28px; margin-top:48px;}
.carte-valeur{
  background:var(--blanc); border:1px solid rgba(31,36,48,0.08);
  border-radius:var(--rayon); padding:30px 26px; box-shadow:var(--ombre);
}
.carte-valeur .numero{font-family:'Lora', serif; font-size:30px; color:var(--rouge); font-weight:700; margin-bottom:10px; display:block;}
.carte-valeur h3{font-size:19px; margin-bottom:10px;}
.carte-valeur p{color:var(--encre-douce); font-size:15.5px; margin:0;}

figure.photo-cote{margin:0; border-radius:var(--rayon); overflow:hidden; box-shadow:var(--ombre);}
figure.photo-cote img{width:100%; height:420px; object-fit:cover;}
figure.photo-cote figcaption{background:var(--encre); color:var(--papier); font-size:13px; padding:12px 16px;}

.devise{
  font-family:'Lora', serif; font-style:italic; font-size:22px; color:var(--bleu);
  border-left:3px solid var(--rouge); padding-left:20px; margin:28px 0;
}

/* APERÇUS — page d'accueil */
.grille-apercus{display:grid; grid-template-columns:repeat(3,1fr); gap:28px; margin-top:48px;}
.carte-apercu{
  background:var(--blanc); border-radius:var(--rayon); box-shadow:var(--ombre);
  padding:32px 28px; display:flex; flex-direction:column; gap:10px;
}
.carte-apercu .pictogramme-apercu{
  width:48px; height:48px; border-radius:50%; background:var(--papier-fonce);
  display:flex; align-items:center; justify-content:center; font-size:21px; margin-bottom:8px;
}
.carte-apercu h3{font-size:19px; margin-bottom:4px;}
.carte-apercu p{color:var(--encre-douce); font-size:15px; margin:0 0 6px;}
.lien-fleche{font-weight:700; font-size:14.5px;}
.lien-fleche::after{content:" →"; transition:transform .15s ease;}

/* NOS ACTIONS — chronologie */
.chronologie{margin-top:52px; display:flex; flex-direction:column; gap:0;}
.etape{display:grid; grid-template-columns:150px 1fr; gap:30px; padding:28px 0; border-top:1px solid rgba(31,36,48,0.12);}
.etape:first-child{border-top:none;}
.etape .date{font-family:'Lora', serif; font-weight:700; color:var(--rouge); font-size:17px; padding-top:2px;}
.etape h3{font-size:18px; margin-bottom:8px;}
.etape p{color:var(--encre-douce); margin:0; font-size:15.5px;}
.issue{
  display:inline-block; margin-top:10px; font-size:13px; font-weight:700;
  letter-spacing:.04em; text-transform:uppercase; color:var(--bleu);
  background:rgba(39,69,109,0.1); padding:5px 12px; border-radius:20px;
}

.sous-bloc-actions{margin-top:72px; display:grid; grid-template-columns:repeat(2,1fr); gap:30px;}
.carte-action{background:var(--blanc); border-radius:var(--rayon); box-shadow:var(--ombre); padding:32px;}
.carte-action h3{font-size:20px; margin-bottom:12px; color:var(--bleu);}
.carte-action p{color:var(--encre-douce); font-size:15.5px;}
.carte-action ul{margin:14px 0 0; padding-left:20px; color:var(--encre-douce); font-size:15px;}
.carte-action li{margin-bottom:6px;}

/* RESSOURCES — emplacements à compléter */
.grille-ressources{display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-top:48px;}
.carte-ressource{
  border:2px dashed rgba(31,36,48,0.3); border-radius:var(--rayon);
  padding:30px 22px; text-align:center; background:rgba(255,255,255,0.4);
  display:flex; flex-direction:column; align-items:center; gap:14px; min-height:200px; justify-content:center;
}
.carte-ressource .pictogramme{
  width:44px; height:44px; border-radius:50%; background:var(--papier-fonce);
  display:flex; align-items:center; justify-content:center; color:var(--rouge); font-size:20px;
}
.carte-ressource h4{font-family:'Source Sans 3',sans-serif; font-weight:700; font-size:15px; margin:0; color:var(--encre);}
.carte-ressource span.note{font-size:12.5px; color:var(--encre-douce); font-style:italic;}

/* ACTUALITÉS */
.grille-actualites{display:grid; grid-template-columns:1.3fr .7fr; gap:30px; margin-top:48px;}
.carte-actualite-principale{background:var(--blanc); border-radius:var(--rayon); box-shadow:var(--ombre); overflow:hidden;}
.carte-actualite-principale .vignette{
  height:220px; background:linear-gradient(135deg, var(--bleu), var(--encre));
  display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,0.85);
  font-family:'Lora', serif; font-style:italic; font-size:15px; text-align:center; padding:20px;
}
.carte-actualite-principale .contenu{padding:30px;}
.carte-actualite-principale .date-actu{
  font-size:13px; letter-spacing:.08em; text-transform:uppercase; color:var(--rouge); font-weight:700; margin-bottom:10px; display:block;
}
.carte-actualite-principale h3{font-size:22px;}
.carte-actualite-principale p{color:var(--encre-douce);}
.carte-actualite-secondaire{
  border:2px dashed rgba(31,36,48,0.3); border-radius:var(--rayon);
  padding:30px; display:flex; flex-direction:column; justify-content:center; gap:10px;
  color:var(--encre-douce);
}
.carte-actualite-secondaire h4{font-size:16px; color:var(--encre); margin:0;}

/* BANDEAU CTA (page d'accueil) */
.bandeau-cta{background:var(--encre); color:var(--papier); text-align:center;}
.bandeau-cta .etiquette{color:#f0c9ab;}
.bandeau-cta .etiquette::before{background:#f0c9ab;}
.bandeau-cta h2{color:var(--papier);}
.bandeau-cta p.chapeau{color:rgba(246,241,231,0.78); margin-inline:auto;}
.bandeau-cta .heros-boutons{justify-content:center;}

/* ADHÉRER / NOUS JOINDRE */
.bloc-adherer{background:var(--encre); color:var(--papier);}
.bloc-adherer h2, .bloc-adherer .etiquette{color:var(--papier);}
.bloc-adherer .etiquette{color:#f0c9ab;}
.bloc-adherer .etiquette::before{background:#f0c9ab;}
.bloc-adherer .chapeau{color:rgba(246,241,231,0.78);}
.grille-adherer{display:grid; grid-template-columns:1fr 1fr; gap:60px; margin-top:40px; align-items:start;}
.coordonnees-liste{list-style:none; margin:28px 0 0; padding:0; display:flex; flex-direction:column; gap:16px;}
.coordonnees-liste li{display:flex; gap:12px; align-items:flex-start; font-size:15px; color:rgba(246,241,231,0.9);}
.coordonnees-liste strong{display:block; color:var(--papier); font-family:'Lora',serif;}
.formulaire{background:var(--papier); border-radius:var(--rayon); padding:36px; color:var(--encre); box-shadow:var(--ombre);}
.champ{margin-bottom:20px;}
.champ label{display:block; font-weight:600; font-size:14px; margin-bottom:7px; color:var(--encre);}
.champ input, .champ textarea{
  width:100%; padding:13px 14px; border:1px solid rgba(31,36,48,0.25);
  border-radius:var(--rayon); font-family:inherit; font-size:15px; background:var(--blanc); color:var(--encre);
}
.champ input:focus, .champ textarea:focus{outline:2px solid var(--bleu); outline-offset:1px;}
.champ textarea{min-height:120px; resize:vertical;}
.mention-confidentialite{font-size:12.5px; color:var(--encre-douce); margin-top:4px;}

/* PIED DE PAGE */
footer{background:#161a24; color:rgba(246,241,231,0.72); padding:64px 0 28px; font-size:14.5px;}
.grille-pied{display:grid; grid-template-columns:1.3fr .8fr .8fr 1fr; gap:40px;}
.pied-marque{display:flex; align-items:center; gap:12px; margin-bottom:16px;}
.pied-marque .bloc-marque{border-color:rgba(246,241,231,0.5); color:var(--papier);}
.pied-marque strong{color:var(--papier); font-family:'Lora',serif; display:block;}
footer h5{color:var(--papier); font-size:14px; letter-spacing:.06em; text-transform:uppercase; margin-bottom:16px;}
footer ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px;}
footer a{color:rgba(246,241,231,0.72);}
footer a:hover{color:var(--blanc);}
.ligne-bas{
  border-top:1px solid rgba(246,241,231,0.14); margin-top:48px; padding-top:24px;
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; font-size:13px; color:rgba(246,241,231,0.5);
}
.ligne-bas a{color:rgba(246,241,231,0.6); margin-right:18px;}

/* responsive */
@media (max-width: 920px){
  nav.liens{display:none;}
  .bouton-menu-mobile{display:block;}
  .grille-deux, .grille-adherer{grid-template-columns:1fr; gap:40px;}
  .grille-trois, .grille-apercus{grid-template-columns:1fr;}
  .grille-ressources{grid-template-columns:repeat(2,1fr);}
  .sous-bloc-actions{grid-template-columns:1fr;}
  .grille-actualites{grid-template-columns:1fr;}
  .grille-pied{grid-template-columns:1fr 1fr;}
  section{padding:64px 0;}
  .etape{grid-template-columns:1fr; gap:8px;}
}
@media (max-width: 560px){
  .grille-ressources{grid-template-columns:1fr;}
  .grille-pied{grid-template-columns:1fr;}
  .heros-contenu{padding:120px 0 70px;}
  .entete-page{padding:148px 0 56px;}
}

/* menu mobile ouvert */
body.menu-ouvert .menu-mobile{display:flex;}
.menu-mobile{
  display:none; position:fixed; inset:0; top:76px; background:var(--papier); z-index:60;
  flex-direction:column; padding:30px 28px; gap:22px;
}
.menu-mobile a{font-size:19px; font-weight:600; color:var(--encre); font-family:'Lora',serif;}
.menu-mobile a.actif{color:var(--rouge);}