/* ==========================================================================
   Comité de jumelage de Saône — feuille de style de la maquette
   Charte reprise de saone.fr : vert profond, vert nuit, jaune d'accent.
   ========================================================================== */

:root {
  --nuit:      #010F0E;   /* bandeau, pied de page, aplats sombres */
  --vert:      #02332D;   /* couleur principale */
  --vert-clair:#164A42;
  --jaune:     #EADF44;   /* accent, boutons, soulignements */
  --jaune-fonce:#CBBF2A;
  --blanc:     #FFFFFF;
  --papier:    #F6F7F5;
  --gris:      #D1D3D3;
  --gris-texte:#5A6663;
  --encre:     #12201E;

  --italie:    #B4532A;   /* filet d'identification, jumelage italien */
  --allemagne: #3E6B8C;   /* filet d'identification, jumelage allemand */

  --large: 1180px;
  --rayon: 14px;
  --ombre: 0 6px 24px rgba(1, 15, 14, .10);
  --ombre-forte: 0 12px 36px rgba(1, 15, 14, .16);
  --titre: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --texte: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--texte);
  font-size: 17px;
  line-height: 1.65;
  color: var(--encre);
  background: var(--blanc);
}

img { max-width: 100%; display: block; }
a { color: var(--vert); }

.contenu { max-width: var(--large); margin: 0 auto; padding: 0 24px; }
.etroit  { max-width: 780px; }

/* --- Accessibilité ------------------------------------------------------- */

.saut-contenu {
  position: absolute; left: -9999px; top: 0;
  background: var(--jaune); color: var(--nuit);
  padding: 12px 20px; z-index: 100; font-weight: 700;
}
.saut-contenu:focus { left: 8px; top: 8px; }

:focus-visible { outline: 3px solid var(--jaune); outline-offset: 3px; }

/* --- Bandeau supérieur --------------------------------------------------- */

.bandeau {
  background: var(--nuit);
  color: var(--blanc);
  position: sticky; top: 0; z-index: 50;
}
.bandeau .contenu {
  display: flex; align-items: center; gap: 28px;
  min-height: 76px;
}

.marque { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.marque .blason {
  width: auto; height: 52px; flex: none;
  /* Le logo comporte des aplats sombres (silhouette allemande, texte circulaire) :
     une pastille blanche garantit sa lisibilité sur le bandeau vert nuit. */
  background: var(--blanc); border-radius: 50%;
  padding: 7px 9px; box-sizing: content-box;
}
.marque b { display: block; font-size: 19px; letter-spacing: .04em; line-height: 1.1; }
.marque span { display: block; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--gris); }

.menu { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.menu a {
  color: var(--blanc); text-decoration: none;
  font-size: 12.5px; letter-spacing: .09em; text-transform: uppercase; font-weight: 600;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
.menu a:hover, .menu a[aria-current] { border-bottom-color: var(--jaune); }

.langues { display: flex; gap: 4px; margin-left: 6px; }
.langues a {
  border: 1px solid rgba(255,255,255,.25); border-radius: 20px;
  padding: 3px 10px; font-size: 11px; letter-spacing: .08em;
}
.langues a[aria-current] { background: var(--jaune); color: var(--nuit); border-color: var(--jaune); }

.burger { display: none; margin-left: auto; background: none; border: 0; color: var(--blanc); font-size: 26px; cursor: pointer; }

/* --- Hero ---------------------------------------------------------------- */

.hero {
  background:
    radial-gradient(120% 130% at 78% 15%, rgba(234,223,68,.16), transparent 55%),
    linear-gradient(160deg, #02332D 0%, #010F0E 72%);
  color: var(--blanc);
  padding: 92px 0 104px;
  position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: auto -10% -60% 55%;
  height: 420px; border-radius: 50%;
  background: rgba(255,255,255,.03);
}
.hero .contenu { position: relative; }
.hero .surtitre {
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--jaune); margin: 0 0 18px;
}
.hero h1 {
  font-family: var(--titre); font-weight: 400;
  font-size: clamp(34px, 5.4vw, 60px); line-height: 1.08; margin: 0 0 20px; max-width: 16em;
}
.hero h1 em { font-style: normal; color: var(--jaune); }
.hero p.accroche { font-size: 19px; max-width: 40em; color: #D6DEDB; margin: 0 0 34px; }

/* --- Boutons ------------------------------------------------------------- */

.bouton {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--jaune); color: var(--nuit);
  border: 0; border-radius: 30px;
  padding: 13px 26px; font: inherit; font-size: 15px; font-weight: 700;
  text-decoration: none; cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
.bouton:hover { background: var(--jaune-fonce); transform: translateY(-1px); }
.bouton.clair { background: transparent; color: var(--blanc); border: 1.5px solid rgba(255,255,255,.4); }
.bouton.clair:hover { background: rgba(255,255,255,.1); }
.bouton.vert { background: var(--vert); color: var(--blanc); }
.bouton.vert:hover { background: var(--vert-clair); }

/* --- Pastilles d'accès rapide ------------------------------------------- */

.pastilles {
  margin-top: -52px; position: relative; z-index: 5;
  display: flex; gap: 22px; justify-content: center; flex-wrap: wrap;
}
.pastille {
  width: 118px; text-decoration: none; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.pastille .rond {
  width: 104px; height: 104px; border-radius: 50%;
  background: var(--vert); color: var(--jaune);
  display: grid; place-items: center; font-size: 34px;
  box-shadow: var(--ombre); transition: transform .18s ease;
}
.pastille:hover .rond { transform: translateY(-4px); }
.pastille b {
  font-size: 11.5px; letter-spacing: .09em; text-transform: uppercase;
  color: var(--vert); line-height: 1.3;
}

/* --- Sections ------------------------------------------------------------ */

.section { padding: 76px 0; }
.section.papier { background: var(--papier); }
.section.sombre { background: var(--nuit); color: var(--blanc); }

.titre-section { margin: 0 0 34px; }
.titre-section span {
  display: block; font-family: var(--titre); font-weight: 400;
  font-size: clamp(26px, 3.4vw, 38px); line-height: 1.1; color: var(--vert);
}
.titre-section strong {
  display: block; font-size: clamp(26px, 3.4vw, 38px); line-height: 1.1;
  text-transform: uppercase; letter-spacing: .01em; color: var(--vert);
}
.section.sombre .titre-section span,
.section.sombre .titre-section strong { color: var(--blanc); }
.titre-section::after {
  content: ""; display: block; width: 58px; height: 4px;
  background: var(--jaune); border-radius: 2px; margin-top: 16px;
}

.entete-section {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap; margin-bottom: 34px;
}
.entete-section .titre-section { margin-bottom: 0; }

/* --- Cartes -------------------------------------------------------------- */

.grille { display: grid; gap: 26px; }
.grille.trois { grid-template-columns: repeat(3, 1fr); }
.grille.deux  { grid-template-columns: repeat(2, 1fr); }

.carte {
  background: var(--blanc); border-radius: var(--rayon);
  box-shadow: var(--ombre); overflow: hidden;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: transform .18s ease, box-shadow .18s ease;
}
.carte:hover { transform: translateY(-4px); box-shadow: var(--ombre-forte); }
.carte .media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--gris); }
.carte .media img { width: 100%; height: 100%; object-fit: cover; }
.carte .corps { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.carte h3 { font-family: var(--titre); font-weight: 400; font-size: 21px; line-height: 1.25; margin: 0; }
.carte p { margin: 0; font-size: 15px; color: var(--gris-texte); }
.carte .meta { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--vert); font-weight: 700; }

/* Vignettes de substitution, tant que les photographies ne sont pas déposées */
.vignette-vide { display: block; width: 100%; height: 100%; }
.teinte-san-marcello-piteglio      { background: linear-gradient(135deg, #C4622F, #8A3C1E); }
.teinte-mandelbachtal-heckendalheim{ background: linear-gradient(135deg, #4C7FA6, #2C4E68); }
.teinte-comite, .teinte-           { background: linear-gradient(135deg, #164A42, #02332D); }

/* --- Étiquettes de jumelage --------------------------------------------- */

.etiquette {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 11.5px; letter-spacing: .09em; text-transform: uppercase; font-weight: 700;
  padding: 4px 12px; border-radius: 20px;
  background: var(--papier); color: var(--vert);
  border-left: 4px solid var(--vert);
}
.etiquette.italie    { border-left-color: var(--italie); }
.etiquette.allemagne { border-left-color: var(--allemagne); }

/* --- Les deux jumelages -------------------------------------------------- */

.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.duo a {
  position: relative; border-radius: var(--rayon); overflow: hidden;
  min-height: 260px; display: flex; align-items: flex-end;
  text-decoration: none; color: var(--blanc); padding: 28px;
  box-shadow: var(--ombre);
}
.duo a.italie     { background: linear-gradient(150deg, #C4622F 0%, #6E2E17 100%); }
.duo a.allemagne  { background: linear-gradient(150deg, #4C7FA6 0%, #22415A 100%); }
.duo a::before {
  content: ""; position: absolute; inset: auto -20% -50% 40%;
  height: 320px; border-radius: 50%; background: rgba(255,255,255,.07);
}
.duo .txt { position: relative; }
.duo .drapeau { font-size: 30px; }
.duo h3 { font-family: var(--titre); font-weight: 400; font-size: 28px; margin: 8px 0 4px; }
.duo p { margin: 0; opacity: .9; font-size: 15px; }
.duo .depuis {
  position: absolute; top: 24px; right: 26px;
  background: rgba(1,15,14,.35); border: 1px solid rgba(255,255,255,.3);
  border-radius: 20px; padding: 4px 14px; font-size: 12px; letter-spacing: .1em; font-weight: 700;
}

/* --- Agenda -------------------------------------------------------------- */

.evenement {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 18px 0; border-bottom: 1px solid var(--gris);
}
.evenement:last-child { border-bottom: 0; }
.evenement .date {
  flex: none; width: 78px; text-align: center;
  background: var(--vert); color: var(--blanc); border-radius: 10px; padding: 10px 6px;
}
.evenement .date b { display: block; font-size: 26px; line-height: 1; font-family: var(--titre); }
.evenement .date span { display: block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; margin-top: 4px; }
.evenement h3 { margin: 0 0 4px; font-size: 18px; font-family: var(--titre); font-weight: 400; }
.evenement p { margin: 0; font-size: 15px; color: var(--gris-texte); }

/* --- Page intérieure ----------------------------------------------------- */

.fil { background: var(--papier); padding: 14px 0; font-size: 13px; color: var(--gris-texte); }
.fil a { color: var(--gris-texte); }

.entete-page { background: var(--vert); color: var(--blanc); padding: 56px 0 60px; }
.entete-page.italie    { background: linear-gradient(150deg, #C4622F 0%, #6E2E17 100%); }
.entete-page.allemagne { background: linear-gradient(150deg, #4C7FA6 0%, #22415A 100%); }
.entete-page h1 { font-family: var(--titre); font-weight: 400; font-size: clamp(30px, 4.4vw, 46px); margin: 10px 0 12px; }
.entete-page p { margin: 0; font-size: 18px; max-width: 46em; opacity: .93; }
.entete-page .sur { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; opacity: .8; }

.redaction { font-size: 17.5px; }
.redaction h2 { font-family: var(--titre); font-weight: 400; font-size: 27px; color: var(--vert); margin: 38px 0 12px; }
.redaction p { margin: 0 0 16px; }
.redaction blockquote {
  margin: 26px 0; padding: 18px 24px; background: var(--papier);
  border-left: 5px solid var(--jaune); border-radius: 0 8px 8px 0;
  font-family: var(--titre); font-size: 21px; line-height: 1.45;
}
.redaction blockquote cite { display: block; font-family: var(--texte); font-size: 14px; font-style: normal; color: var(--gris-texte); margin-top: 8px; }

.reperes { list-style: none; margin: 0; padding: 0; }
.reperes li { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px dashed var(--gris); }
.reperes b { flex: none; width: 64px; color: var(--vert); font-family: var(--titre); font-size: 20px; }

.encadre {
  background: var(--papier); border-radius: var(--rayon);
  padding: 24px 26px; font-size: 15.5px;
}
.encadre h2 { margin-top: 0; font-size: 20px; }

.avis-langue {
  background: #FFF8D6; border: 1px solid var(--jaune-fonce);
  border-radius: 10px; padding: 12px 18px; font-size: 14.5px; margin-bottom: 26px;
}

/* --- Formulaire ---------------------------------------------------------- */

.champ { margin-bottom: 18px; }
.champ label { display: block; font-weight: 700; font-size: 14.5px; margin-bottom: 6px; }
.champ input, .champ textarea, .champ select {
  width: 100%; padding: 12px 14px; font: inherit; font-size: 16px;
  border: 1.5px solid var(--gris); border-radius: 9px; background: var(--blanc);
}
.champ input:focus, .champ textarea:focus { border-color: var(--vert); outline: none; }
.champ textarea { min-height: 170px; resize: vertical; }
.champ .aide { font-size: 13.5px; color: var(--gris-texte); margin-top: 5px; }
.consentement { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; }
.consentement input { width: auto; margin-top: 4px; }
.pot-de-miel { position: absolute; left: -9999px; }

.message { padding: 14px 18px; border-radius: 10px; margin-bottom: 22px; font-size: 15px; }
.message.ok  { background: #E4F3EC; border: 1px solid #9CC9B4; }
.message.err { background: #FBE7E4; border: 1px solid #E2A79E; }

/* --- Pied de page -------------------------------------------------------- */

.pied { background: var(--nuit); color: #B9C4C1; padding: 56px 0 28px; font-size: 15px; }
.pied a { color: var(--blanc); text-decoration: none; }
.pied a:hover { text-decoration: underline; }
.pied .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 36px; }
.pied .logo-pied {
  height: 56px; width: auto; margin-bottom: 16px;
  background: var(--blanc); border-radius: 10px; padding: 10px 14px;
}
.pied h2 { color: var(--blanc); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 14px; }
.pied ul { list-style: none; margin: 0; padding: 0; }
.pied li { margin-bottom: 8px; }
.pied .lien-fb {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(255,255,255,.3); border-radius: 24px;
  padding: 8px 18px; font-size: 14.5px; text-decoration: none;
}
.pied .lien-fb::before { content: "f"; font-weight: 800; font-family: Georgia, serif; }
.pied .lien-fb:hover { background: rgba(255,255,255,.1); text-decoration: none; }

.pied .bas {
  border-top: 1px solid rgba(255,255,255,.12); margin-top: 36px; padding-top: 20px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px;
}

/* --- Administration ------------------------------------------------------ */

.admin-barre {
  background: var(--jaune); color: var(--nuit);
  padding: 10px 0; font-size: 14px; font-weight: 600;
}
.admin-barre .contenu { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.admin-barre a { color: var(--nuit); }

.tableau { width: 100%; border-collapse: collapse; font-size: 15px; }
.tableau th, .tableau td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--gris); }
.tableau th { font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--gris-texte); }

.connexion { max-width: 420px; margin: 70px auto; }

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 900px) {
  .grille.trois, .grille.deux, .duo, .pied .cols { grid-template-columns: 1fr; }
  .menu { display: none; }
  .menu.ouvert {
    display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--nuit); padding: 22px 24px 28px; border-top: 1px solid rgba(255,255,255,.12);
  }
  .burger { display: block; }
  .pastilles { margin-top: -32px; gap: 14px; }
  .pastille { width: 96px; }
  .pastille .rond { width: 84px; height: 84px; font-size: 28px; }
  .hero { padding: 62px 0 78px; }
  .section { padding: 54px 0; }
}

@media print {
  .bandeau, .pastilles, .pied, .admin-barre { display: none; }
}

/* --- Mosaïque de galerie ------------------------------------------------- */

.mosaique {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.mosaique-item {
  display: block; width: 100%; padding: 0; border: 0; cursor: zoom-in;
  background: var(--gris); border-radius: 10px; overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--ombre);
  transition: transform .18s ease, box-shadow .18s ease;
}
.mosaique-item img { width: 100%; height: 100%; object-fit: cover; }
.mosaique-item:hover { transform: translateY(-3px); box-shadow: var(--ombre-forte); }

/* --- Visionneuse --------------------------------------------------------- */

.visionneuse {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(1, 15, 14, .94);
  display: grid; place-items: center; padding: 3vh 4vw;
}
/* Indispensable : sans cette règle, le display ci-dessus écrase l'attribut
   hidden et la visionneuse reste affichée en permanence. */
.visionneuse[hidden] { display: none; }
.visionneuse figure { margin: 0; max-width: 100%; max-height: 100%; text-align: center; }
.visionneuse img {
  max-width: 100%; max-height: 82vh; width: auto; height: auto;
  margin: 0 auto; border-radius: 6px;
}
.visionneuse figcaption {
  color: #E3E9E7; font-size: 15px; margin-top: 16px;
  max-width: 60em; margin-inline: auto;
}
.visionneuse .v-compteur { color: var(--jaune); margin-left: 10px; font-variant-numeric: tabular-nums; }

.visionneuse button {
  position: absolute; background: rgba(255,255,255,.1); color: var(--blanc);
  border: 1px solid rgba(255,255,255,.25); border-radius: 50%;
  width: 52px; height: 52px; font-size: 28px; line-height: 1; cursor: pointer;
}
.visionneuse button:hover { background: rgba(255,255,255,.2); }
.v-fermer { top: 18px; right: 18px; }
.v-prec   { left: 18px;  top: 50%; transform: translateY(-50%); }
.v-suiv   { right: 18px; top: 50%; transform: translateY(-50%); }

@media (max-width: 640px) {
  .mosaique { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .visionneuse { padding: 0; }
  .visionneuse img { max-height: 70vh; border-radius: 0; }
  .visionneuse figcaption { padding: 0 16px; font-size: 14px; }
  /* Cibles tactiles conformes aux recommandations d'accessibilité */
  .visionneuse button { width: 48px; height: 48px; }
  .v-prec { left: 8px; } .v-suiv { right: 8px; }
}