/* En-tête et navigation communs à toutes les pages de frontier-ch-fr.com */
header.sn { position: sticky; top: 0; z-index: 50; background: rgba(5,5,10,0.9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.08); }
header.sn .sn-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: 1080px; margin: 0 auto; padding: 12px 24px; }
header.sn .sn-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
header.sn .sn-badge { display: block; width: 36px; height: 36px; border-radius: 10px; overflow: hidden; border: 1px solid rgba(201,150,42,0.35); flex-shrink: 0; }
header.sn .sn-badge img { width: 100%; height: 100%; display: block; }
header.sn .sn-word { display: block; font-family: 'Cinzel', serif; font-weight: 600; color: #e8d9b0; font-size: 17px; letter-spacing: 2px; line-height: 1.2; }
header.sn .sn-tag { display: block; font-size: 9px; color: #8a8a99; letter-spacing: 1.5px; margin-top: 1px; }

header.sn .sn-nav { display: flex; align-items: center; gap: 4px; }
header.sn .sn-link { display: inline-flex; align-items: center; gap: 5px; color: #c9c9d4; font: inherit; font-size: 14px; font-weight: 500; text-decoration: none; padding: 8px 12px; border-radius: 8px; background: none; border: none; cursor: pointer; line-height: 1.2; }
header.sn .sn-link:hover, header.sn .sn-link[aria-current="page"], header.sn .sn-dd-btn.is-current { color: #e8d9b0; background: rgba(255,255,255,0.06); }
header.sn .sn-dd { position: relative; }
header.sn .sn-caret { font-size: 12px; line-height: 1; opacity: 0.8; }
header.sn .sn-dd-menu { display: none; position: absolute; right: 0; top: 100%; min-width: 280px; padding: 8px; background: #0c0c13; border: 1px solid rgba(255,255,255,0.12); border-radius: 12px; box-shadow: 0 14px 40px rgba(0,0,0,0.55); }
header.sn .sn-dd.open .sn-dd-menu { display: block; }
@media (hover: hover) { header.sn .sn-dd:hover .sn-dd-menu { display: block; } }
header.sn .sn-dd-menu a { display: block; padding: 10px 12px; border-radius: 8px; color: #c9c9d4; font-size: 13.5px; font-weight: 500; text-decoration: none; line-height: 1.35; }
header.sn .sn-dd-menu a:hover, header.sn .sn-dd-menu a[aria-current="page"] { background: rgba(201,150,42,0.12); color: #e8d9b0; }

header.sn .lang-toggle { display: flex; align-items: center; gap: 2px; margin: 0 6px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 999px; padding: 3px; }
header.sn .lang-btn { border: none; background: transparent; cursor: pointer; color: #b8b8c4; font-size: 12px; font-weight: 700; padding: 6px 12px; border-radius: 999px; font-family: inherit; }
header.sn .lang-btn.active { background: linear-gradient(135deg, #C9962A, #8f6a1a); color: #1a1206; }
header.sn .sn-cta { display: inline-flex; align-items: center; background: linear-gradient(135deg, #C9962A, #8f6a1a); color: #1a1206; font-size: 13px; font-weight: 700; text-decoration: none; padding: 9px 16px; border-radius: 10px; white-space: nowrap; }
header.sn .sn-cta:hover { filter: brightness(1.1); }

header.sn .sn-burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 42px; height: 42px; padding: 0 10px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 10px; cursor: pointer; }
header.sn .sn-burger span { display: block; height: 2px; background: #e8d9b0; border-radius: 2px; transition: transform .18s, opacity .18s; }
header.sn.open .sn-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
header.sn.open .sn-burger span:nth-child(2) { opacity: 0; }
header.sn.open .sn-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  header.sn .sn-inner { padding: 10px 16px; }
  header.sn .sn-burger { display: flex; }
  header.sn .sn-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 2px; padding: 12px 16px 20px; background: #07070d; border-bottom: 1px solid rgba(255,255,255,0.1); max-height: calc(100vh - 62px); overflow-y: auto; }
  header.sn.open .sn-nav { display: flex; }
  header.sn .sn-link { padding: 13px 12px; font-size: 15px; }
  header.sn .sn-dd-btn { pointer-events: none; color: #8a8a99; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; padding-bottom: 4px; }
  header.sn .sn-caret { display: none; }
  header.sn .sn-dd-menu { display: block; position: static; min-width: 0; padding: 0 0 6px 8px; background: transparent; border: none; box-shadow: none; }
  header.sn .sn-dd-menu a { padding: 12px; font-size: 14.5px; }
  header.sn .lang-toggle { align-self: flex-start; margin: 10px 0 6px; }
  header.sn .sn-cta { justify-content: center; padding: 13px 16px; font-size: 15px; margin-top: 4px; }
}

/* Pied de page commun */
footer.page-footer.sf { margin: 56px auto 0; max-width: 1080px; padding: 22px 24px 40px; border-top: 1px solid rgba(255,255,255,0.08); color: #8a8a99; font-size: 13px; line-height: 1.9; }
footer.page-footer.sf a { color: #b8b8c4; text-decoration: none; margin-right: 16px; white-space: nowrap; }
footer.page-footer.sf a:hover { color: #C9962A; }
footer.page-footer.sf .sf-note { display: block; margin-top: 6px; font-size: 12px; font-style: italic; }