/* AF_Lay - feuille de style sur mesure. Sobre, chaleureuse, responsive. */

:root {
  --vert: #1f6f54;
  --vert-fonce: #164e3b;
  --vert-clair: #e9f3ee;
  --orange: #d9812b;
  --orange-clair: #fbeedd;
  --texte: #1e2723;
  --texte-doux: #55605a;
  --bord: #dfe6e1;
  --fond: #ffffff;
  --fond-doux: #f4f7f5;
  --fond-alt: #eef3f0;
  --danger: #b3261e;
  --ok: #1f6f54;
  --rayon: 12px;
  --rayon-s: 8px;
  --ombre: 0 2px 10px rgba(22, 78, 59, .07);
  --ombre-forte: 0 8px 30px rgba(22, 78, 59, .12);
  --largeur: 1120px;
  --police: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--police);
  color: var(--texte);
  background: var(--fond);
  line-height: 1.6;
  font-size: 17px;
}
h1, h2, h3 { line-height: 1.2; color: var(--texte); }
a { color: var(--vert); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.conteneur { max-width: var(--largeur); margin: 0 auto; padding: 0 24px; }
.etroit { max-width: 720px; }
.centre { text-align: center; }
.ta-droite { text-align: right; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--vert); color: #fff; padding: 10px 16px; z-index: 1000;
}
.skip-link:focus { left: 8px; top: 8px; }

/* --- Boutons --- */
.btn {
  display: inline-block; background: var(--vert); color: #fff;
  padding: 12px 22px; border-radius: var(--rayon-s); font-weight: 600;
  border: 2px solid var(--vert); cursor: pointer; text-align: center;
  transition: background .15s, transform .05s;
}
.btn:hover { background: var(--vert-fonce); border-color: var(--vert-fonce); text-decoration: none; color: #fff; }
.btn:active { transform: translateY(1px); }
.btn-outline { background: transparent; color: var(--vert); }
.btn-outline:hover { background: var(--vert-clair); color: var(--vert-fonce); }
.btn-large { width: 100%; padding: 15px; font-size: 1.05rem; }
.btn-petit { padding: 9px 16px; font-size: .92rem; }
.btn-orange { background: var(--orange); border-color: var(--orange); color: #fff; }
.btn-orange:hover { background: #c06f1f; border-color: #c06f1f; }
.btn-clair { background: #fff; border-color: #fff; color: var(--vert-fonce); }
.btn-clair:hover { background: var(--vert-clair); border-color: var(--vert-clair); color: var(--vert-fonce); }
.lien-bouton {
  background: none; border: none; color: var(--vert); cursor: pointer;
  font: inherit; padding: 0; text-decoration: underline;
}
.lien-danger { color: var(--danger); }

/* --- Icones en trait --- */
.sprite-icones { position: absolute; width: 0; height: 0; overflow: hidden; }
.ico {
  width: 24px; height: 24px; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}
.ico-titre { color: var(--orange); vertical-align: -4px; margin-right: 8px; }

/* --- En-tete / navigation --- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--bord);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 10px; padding-bottom: 10px; }
.logo { display: flex; align-items: center; gap: 11px; color: var(--texte); }
.logo:hover { text-decoration: none; }
.logo-mark { width: 44px; height: 44px; flex: none; }
.logo-txt { display: block; line-height: 1.2; }
.logo-l1, .logo-l2, .logo-l3 { display: block; }
.logo-l1 { font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--texte-doux); }
.logo-l2 { font-size: 1.02rem; font-weight: 700; color: var(--vert-fonce); }
.logo-l3 { font-size: .74rem; color: var(--texte-doux); }

.nav-principale ul { list-style: none; display: flex; align-items: center; gap: 2px; margin: 0; padding: 0; }
.nav-principale a {
  display: block; padding: 8px 11px; color: var(--texte); border-radius: 6px;
  font-weight: 500; font-size: .96rem;
}
.nav-principale a:hover { background: var(--fond-doux); text-decoration: none; }
.nav-principale a.actif { color: var(--vert); font-weight: 700; }
.nav-actions { display: flex; gap: 8px; margin-left: 12px; }
/* le selecteur .nav-principale a impose la couleur du texte, on la remet en blanc sur les boutons */
.nav-actions .btn, .nav-actions .btn:hover, .nav-actions .btn:visited { color: #fff; }
.nav-actions a:hover { background: var(--vert-fonce); }
.nav-actions .btn-orange:hover { background: #c06f1f; }

.menu-toggle {
  display: none; flex-direction: column; gap: 5px; background: none;
  border: none; cursor: pointer; padding: 8px;
}
.menu-toggle span { width: 26px; height: 3px; background: var(--texte); border-radius: 2px; transition: .2s; }

/* --- Bandeau evenement --- */
.bandeau-evenement { background: var(--orange-clair); border-bottom: 1px solid #f0d9bd; }
.bandeau-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 24px; flex-wrap: wrap; }
.bandeau-inner p { margin: 0; }
.bandeau-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* --- Flash --- */
.flash { padding: 12px 16px; border-radius: var(--rayon-s); margin: 16px 0; }
.flash-ok { background: var(--vert-clair); color: var(--vert-fonce); border: 1px solid #bfe0cf; }
.flash-erreur { background: #fbe9e7; color: var(--danger); border: 1px solid #f3c9c4; }

/* --- Ruban d'informations (accueil) --- */
.ruban { background: var(--vert-clair); border-bottom: 1px solid #d3e5da; font-size: .92rem; }
.ruban-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 9px; padding-bottom: 9px; flex-wrap: wrap; }
.ruban p { margin: 0; }
.ruban-gauche { display: flex; align-items: center; gap: 8px; color: var(--vert-fonce); }
.ruban-gauche .ico { width: 18px; height: 18px; color: var(--vert); }
.ruban-sep { color: var(--vert); padding: 0 2px; }
.ruban-droite { color: var(--texte-doux); }

/* --- Hero (accueil) --- */
.hero { background: linear-gradient(180deg, #fff 0%, var(--fond-doux) 100%); padding: 56px 0 64px; }
.hero-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 3rem; margin: 0 0 16px; color: var(--vert-fonce); letter-spacing: -.02em; }
.hero-txt { font-size: 1.12rem; color: var(--texte-doux); margin: 0; max-width: 420px; }
.hero-actions { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero-illu {
  border-radius: 20px; overflow: hidden; box-shadow: var(--ombre-forte);
  line-height: 0; aspect-ratio: 4 / 3; background: var(--vert-clair);
}
.hero-illu picture { display: block; height: 100%; }
.hero-illu img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* --- Sections --- */
.section { padding: 56px 0; }
.section-alt { background: var(--fond-alt); }
.section-infos { background: var(--vert-clair); }
.section-benevolat { background: var(--fond-doux); text-align: center; }
.section-benevolat .conteneur { max-width: 720px; }
.titre-section { font-size: 1.7rem; margin: 0 0 28px; }
.page-entete { background: var(--fond-alt); padding: 44px 0; border-bottom: 1px solid var(--bord); }
.page-entete h1 { font-size: 2.1rem; margin: 0 0 10px; }
.page-entete p { color: var(--texte-doux); max-width: 720px; margin: 0; }
.entete-meta { color: var(--vert) !important; font-weight: 600; }
.fil { font-size: .9rem; color: var(--texte-doux); margin: 0 0 8px; }

.deux-colonnes { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }

/* --- Piliers (bandeau du hero) --- */
.piliers { list-style: none; display: flex; gap: 28px; margin: 30px 0 0; padding: 0; flex-wrap: wrap; }
.piliers li { display: flex; flex-direction: column; gap: 8px; font-size: .92rem; color: var(--texte-doux); line-height: 1.3; }
.piliers .ico { width: 26px; height: 26px; color: var(--vert); }

/* --- Titre de section avec lien a droite --- */
.titre-ligne { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.titre-ligne .titre-section { margin: 0; }
.lien-fleche { font-weight: 600; font-size: .95rem; white-space: nowrap; }
.lien-fleche::after { content: " \2192"; }

/* --- Cartes infos --- */
.cartes-infos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.carte-info { background: #fff; border-radius: var(--rayon); padding: 24px; box-shadow: var(--ombre); border-left: 4px solid var(--orange); }
.carte-info h3 { margin: 0 0 8px; }
.carte-info p { margin: 0; color: var(--texte-doux); }

/* --- Grille activites --- */
.grille-activites { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.carte-activite {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--bord);
  border-radius: var(--rayon); padding: 24px; color: var(--texte); box-shadow: var(--ombre);
  transition: transform .12s, box-shadow .12s;
}
.carte-activite:hover { transform: translateY(-3px); box-shadow: var(--ombre-forte); text-decoration: none; }
.carte-activite h3 { margin: 0 0 10px; color: var(--vert-fonce); }
.carte-activite p { color: var(--texte-doux); font-size: .95rem; flex: 1; margin: 0 0 14px; }
.carte-lien { color: var(--vert); font-weight: 600; font-size: .92rem; }
.carte-lien::after { content: " \2192"; }

/* --- Tuiles d'activites (accueil) --- */
.grille-tuiles { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.tuile {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--bord);
  border-radius: var(--rayon); overflow: hidden; color: var(--texte); box-shadow: var(--ombre);
  transition: transform .12s, box-shadow .12s;
}
.tuile:hover { transform: translateY(-3px); box-shadow: var(--ombre-forte); text-decoration: none; }
.tuile-visuel { display: grid; place-items: center; height: 118px; background: var(--vert-clair); color: var(--vert); }
.tuile-visuel .ico { width: 46px; height: 46px; stroke-width: 1.4; }
.tuile-photo { display: block; height: auto; aspect-ratio: 3 / 2; }
.tuile-photo picture { display: block; height: 100%; }
.tuile-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tuile:nth-child(2) .tuile-visuel { background: #eaf1f6; color: #2f6c8f; }
.tuile:nth-child(3) .tuile-visuel { background: var(--orange-clair); color: #b96e21; }
.tuile:nth-child(4) .tuile-visuel { background: #f3eef7; color: #6b4f91; }
.tuile:nth-child(5) .tuile-visuel { background: #f7eeee; color: #a2504b; }
.tuile-corps { display: block; padding: 16px 18px 20px; }
.tuile-nom { display: block; font-weight: 700; color: var(--vert-fonce); margin-bottom: 6px; }
.tuile-ligne { display: block; font-size: .9rem; color: var(--texte-doux); }
.tuile-note { color: var(--vert); font-weight: 600; margin-top: 4px; }

/* --- Agenda (accueil) --- */
.grille-agenda { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.agenda-item {
  display: flex; gap: 14px; align-items: flex-start; background: #fff;
  border: 1px solid var(--bord); border-radius: var(--rayon); padding: 18px;
  color: var(--texte); box-shadow: var(--ombre); transition: transform .12s, box-shadow .12s;
}
.agenda-item:hover { transform: translateY(-3px); box-shadow: var(--ombre-forte); text-decoration: none; }
.pastille {
  display: grid; place-items: center; flex: none; width: 54px; padding: 8px 4px;
  background: var(--orange-clair); border-radius: var(--rayon-s); line-height: 1.1;
}
.pastille strong { font-size: 1.35rem; color: var(--vert-fonce); }
.pastille small { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--orange); }
.agenda-corps { display: block; }
.agenda-nom { display: block; font-weight: 700; color: var(--vert-fonce); margin-bottom: 4px; }
.agenda-ligne { display: block; font-size: .88rem; color: var(--texte-doux); }
.agenda-ligne::first-letter { text-transform: uppercase; }
.agenda-note { color: var(--vert); font-weight: 600; margin-top: 2px; }

/* --- Bloc adhesion (accueil) --- */
.bloc-adhesion { background: var(--vert-fonce); color: #fff; padding: 52px 0; }
.adhesion-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: center; }
.bloc-adhesion h2 { color: #fff; font-size: 1.9rem; margin: 0 0 6px; }
.adhesion-prix { font-size: 1.5rem; font-weight: 800; margin: 0; }
.adhesion-sous { margin: 2px 0 22px; color: #cfe2d8; }
.adhesion-points { list-style: none; display: flex; gap: 28px; padding: 0; margin: 0 0 26px; flex-wrap: wrap; }
.adhesion-points li { display: flex; align-items: center; gap: 10px; font-size: .92rem; color: #e2efe8; max-width: 210px; }
.adhesion-points .ico { color: #9ccfb8; }
.adhesion-note { margin: 18px 0 0; font-size: .92rem; color: #cfe2d8; }
.adhesion-note a { color: #fff; text-decoration: underline; }
.adhesion-illu { display: grid; place-items: center; }
.adhesion-illu picture { display: block; }
.illu-famille { width: 100%; max-width: 260px; height: auto; opacity: .92; }

/* --- Rangee de liens (accueil) --- */
.section-liens { background: var(--fond-doux); }
.grille-liens { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.carte-lien-bloc {
  display: block; background: #fff; border: 1px solid var(--bord); border-radius: var(--rayon);
  padding: 22px; color: var(--texte); box-shadow: var(--ombre); transition: transform .12s, box-shadow .12s;
}
.carte-lien-bloc:hover { transform: translateY(-3px); box-shadow: var(--ombre-forte); text-decoration: none; }
.carte-lien-bloc .ico { color: var(--vert); width: 26px; height: 26px; }
.carte-lien-bloc h3 { font-size: 1.02rem; margin: 12px 0 6px; color: var(--vert-fonce); }
.carte-lien-bloc p { margin: 0; font-size: .9rem; color: var(--texte-doux); }

/* --- Grille evenements --- */
.grille-evenements { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.carte-evenement {
  background: #fff; border: 1px solid var(--bord); border-radius: var(--rayon);
  padding: 24px; color: var(--texte); box-shadow: var(--ombre); transition: transform .12s, box-shadow .12s;
}
.carte-evenement:hover { transform: translateY(-3px); box-shadow: var(--ombre-forte); text-decoration: none; }
.carte-date { display: inline-block; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--orange); font-weight: 700; margin-bottom: 8px; }
.carte-evenement h3 { margin: 0 0 6px; }
.carte-lieu { color: var(--texte-doux); font-size: .92rem; margin: 0 0 10px; }
.badge { display: inline-block; background: var(--vert-clair); color: var(--vert-fonce); font-size: .8rem; font-weight: 600; padding: 4px 10px; border-radius: 20px; }

/* --- Dates / listes --- */
.liste-dates { list-style: none; padding: 0; margin: 0; }
.liste-dates li { padding: 12px 0; border-bottom: 1px solid var(--bord); }
.liste-dates li:last-child { border-bottom: none; }
.liste-udaf { columns: 2; gap: 30px; }
@media (max-width: 640px) { .liste-udaf { columns: 1; } }

/* --- Encart --- */
.encart { background: #fff; border: 1px solid var(--bord); border-radius: var(--rayon); padding: 24px; box-shadow: var(--ombre); margin-bottom: 20px; }
.encart h3 { margin: 0 0 12px; }
.encart .prix { font-size: 2rem; font-weight: 800; color: var(--vert); margin: 0 0 8px; }
.encart .prix span { font-size: .95rem; font-weight: 500; color: var(--texte-doux); }
.contact { color: var(--texte-doux); font-size: .95rem; }
.note { color: var(--texte-doux); font-size: .9rem; }
.note-info { background: var(--orange-clair); padding: 10px 14px; border-radius: var(--rayon-s); }

/* --- Fiche --- */
.fiche-grille { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
.fiche-description { font-size: 1.08rem; }
.fiche-principal h2 { margin-top: 32px; font-size: 1.35rem; }
.encart-medical { background: var(--orange-clair); border-radius: var(--rayon); padding: 18px 20px; margin-top: 28px; border-left: 4px solid var(--orange); }

/* --- Tableaux --- */
.tableau { width: 100%; border-collapse: collapse; margin: 8px 0; background: #fff; border-radius: var(--rayon-s); overflow: hidden; box-shadow: var(--ombre); }
.tableau th, .tableau td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--bord); }
.tableau th { background: var(--fond-doux); font-size: .9rem; text-transform: uppercase; letter-spacing: .03em; color: var(--texte-doux); }
.tableau tr:last-child td { border-bottom: none; }

/* --- Tarifs --- */
.liste-tarifs { list-style: none; padding: 0; margin: 0; }
.liste-tarifs li { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--bord); }
.liste-tarifs li:last-child { border-bottom: none; }
.liste-tarifs strong { color: var(--vert); white-space: nowrap; }

/* --- Formulaires --- */
.form label { display: block; margin-bottom: 16px; font-weight: 600; font-size: .95rem; }
.form input, .form select, .form textarea {
  display: block; width: 100%; margin-top: 6px; padding: 11px 12px;
  border: 1px solid var(--bord); border-radius: var(--rayon-s); font: inherit; font-weight: 400;
  background: #fff; color: var(--texte);
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--vert); border-color: var(--vert); }
.form-carte { background: #fff; border: 1px solid var(--bord); border-radius: var(--rayon); padding: 28px; box-shadow: var(--ombre); }
.form h2 { font-size: 1.2rem; margin: 24px 0 14px; padding-top: 8px; }
.form h2:first-of-type { margin-top: 0; }
.form-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.form-quatre { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.check { font-weight: 500 !important; display: flex; align-items: flex-start; gap: 10px; }
.check input { width: auto !important; margin-top: 3px !important; }
.choix-radio { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 12px; }
.membre-ligne { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.membre-ligne input { margin-top: 0; }
.recap { display: flex; justify-content: space-between; align-items: center; background: var(--vert-clair); padding: 14px 18px; border-radius: var(--rayon-s); margin: 20px 0; font-size: 1.05rem; }
.recap strong { color: var(--vert); font-size: 1.2rem; }
.minmax { display: flex; gap: 6px; }

/* --- Confirmation --- */
.confirmation-ok { background: #fff; border: 1px solid var(--bord); border-top: 5px solid var(--vert); border-radius: var(--rayon); padding: 36px; box-shadow: var(--ombre); }
.confirmation-ok h1 { color: var(--vert-fonce); }
.liste-documents { list-style: none; padding: 0; }
.liste-documents li { padding: 10px 0; border-bottom: 1px solid var(--bord); }
.liste-documents a { font-weight: 600; }

/* --- Association --- */
.grille-ca { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.carte-ca { background: #fff; border: 1px solid var(--bord); border-radius: var(--rayon-s); padding: 18px; box-shadow: var(--ombre); }
.carte-ca strong { display: block; }
/* seul le span de fonction, enfant direct, est en orange */
.carte-ca > span { display: block; color: var(--orange); font-size: .9rem; font-weight: 600; margin: 2px 0 8px; }
/* mail puis telephones, un par ligne */
.carte-ca .contact span { display: block; }
.carte-ca .contact-tel { white-space: nowrap; }

/* --- Texte long --- */
.texte-long h2 { margin-top: 28px; font-size: 1.3rem; }
.actu { border-bottom: 1px solid var(--bord); padding: 24px 0; }
.actu:first-child { padding-top: 0; }
.actu-date { color: var(--texte-doux); font-size: .9rem; }

/* --- Pied de page --- */
.site-footer { background: var(--vert-fonce); color: #d9e7e0; margin-top: 40px; }
.footer-grille { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; padding: 48px 24px 28px; }
.site-footer h3 { color: #fff; font-size: 1.05rem; margin: 0 0 14px; }
.footer-marque { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-marque .logo-mark { width: 42px; height: 42px; flex: none; }
.footer-marque h3 { margin: 0; }
.footer-marque p { margin: 0; }
.site-footer p { margin: 0 0 8px; font-size: .95rem; }
.footer-liens { list-style: none; padding: 0; margin: 0; }
.footer-liens li { margin-bottom: 8px; }
.footer-liens a { color: #d9e7e0; }
.footer-liens a:hover { color: #fff; }
.footer-cotisation { margin-top: 14px !important; color: #fff; font-weight: 600; }
.footer-bas { border-top: 1px solid rgba(255, 255, 255, .15); padding: 18px 24px; font-size: .88rem; opacity: .8; }

/* --- Responsive --- */
@media (max-width: 1080px) {
  .grille-tuiles { grid-template-columns: repeat(3, 1fr); }
  .grille-agenda, .grille-liens { grid-template-columns: repeat(2, 1fr); }
  .nav-principale a { padding: 8px 8px; font-size: .92rem; }
  .logo-l1 { font-size: .72rem; }
}
@media (max-width: 860px) {
  .hero { padding: 40px 0 48px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-inner, .adhesion-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-illu { order: -1; aspect-ratio: 16 / 10; }
  .hero-txt { max-width: none; }
  .adhesion-illu { display: none; }
  .grille-tuiles { grid-template-columns: repeat(2, 1fr); }
  .deux-colonnes, .fiche-grille { grid-template-columns: 1fr; }
  .form-trio, .form-quatre { grid-template-columns: 1fr 1fr; }
  .footer-grille { grid-template-columns: 1fr 1fr; }
  .menu-toggle { display: flex; }
  .nav-principale {
    position: absolute; top: 100%; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--bord);
    max-height: 0; overflow: hidden; transition: max-height .25s ease; box-shadow: var(--ombre-forte);
  }
  .nav-principale.ouvert { max-height: 80vh; }
  .nav-principale ul { flex-direction: column; align-items: stretch; padding: 12px; gap: 2px; }
  .nav-principale a { padding: 14px 16px; font-size: 1rem; }
  .nav-actions { margin: 8px 0 0; }
  .nav-actions a { flex: 1; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .hero h1 { font-size: 1.9rem; }
  .piliers { gap: 18px 26px; }
  .piliers li { width: calc(50% - 13px); }
  .grille-tuiles, .grille-agenda, .grille-liens { grid-template-columns: 1fr; }
  .form-duo, .form-trio, .form-quatre, .membre-ligne { grid-template-columns: 1fr; }
  .footer-grille { grid-template-columns: 1fr; }
  .ruban-inner { flex-direction: column; align-items: flex-start; gap: 4px; }
  .section { padding: 40px 0; }
}