/* En-tête et pied de page du site Takumea, communs à toutes les pages
   (celles du récit comme les pages légales). Classes préfixées tk- pour ne
   rien croiser avec takumea.css ni recit.css. Couleurs de la charte écrites
   en dur : la feuille ne dépend pas des variables de la page. */

.tk-tete {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  height: 64px;
  background: #1A1A1A;
  border-bottom: 1px solid #333230;
}

.tk-borne {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

.tk-tete .tk-borne {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 28px;
}

.tk-marque {
  display: block;
  flex: none;
}

.tk-logo {
  display: block;
  height: 34px;
  aspect-ratio: 1577 / 452;
  position: relative;
  background: #F5F2EA;
  -webkit-mask: url("banniere-lettres.svg") no-repeat center / contain;
  mask: url("banniere-lettres.svg") no-repeat center / contain;
}

.tk-logo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #B06A3B;
  -webkit-mask: url("banniere-losanges.svg") no-repeat center / contain;
  mask: url("banniere-losanges.svg") no-repeat center / contain;
}

.tk-menu {
  margin-left: auto;
  display: flex;
  gap: 26px;
}

.tk-menu a {
  text-decoration: none;
  color: rgba(245, 242, 234, .78);
  font-family: "Instrument Sans", "Source Sans 3", system-ui, sans-serif;
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.tk-menu a:hover,
.tk-menu a[aria-current="page"] {
  color: #F5F2EA;
}

.tk-menu a[aria-current="page"] {
  box-shadow: 0 2px 0 #B06A3B;
  padding-bottom: 4px;
}

.tk-btn {
  display: inline-flex;
  align-items: center;
  font-family: "Instrument Sans", "Source Sans 3", system-ui, sans-serif;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 11px 18px;
  border-radius: 3px;
  text-decoration: none;
  white-space: nowrap;
  background: #B06A3B;
  color: #F5F2EA;
  transition: background .2s;
}

.tk-btn:hover {
  background: #8F5530;
}

/* Le burger, seulement quand le menu du haut n'a plus la place. */
.tk-burger {
  display: none;
  position: relative;
}

.tk-burger summary {
  list-style: none;
  cursor: pointer;
  width: 44px;
  height: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border: 1px solid #3A3835;
  border-radius: 3px;
}

.tk-burger summary::-webkit-details-marker {
  display: none;
}

.tk-burger summary span {
  display: block;
  width: 18px;
  height: 2px;
  background: #F5F2EA;
  transition: transform .25s, opacity .25s;
}

.tk-burger[open] summary span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.tk-burger[open] summary span:nth-child(2) { opacity: 0; }
.tk-burger[open] summary span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.tk-burger nav {
  position: absolute;
  right: 0;
  top: 50px;
  z-index: 40;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  padding: 10px;
  background: #1A1A1A;
  border: 1px solid #3A3835;
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, .35);
}

.tk-burger nav a {
  color: rgba(245, 242, 234, .85);
  text-decoration: none;
  font-family: "Instrument Sans", "Source Sans 3", system-ui, sans-serif;
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 12px 14px;
  border-radius: 3px;
}

.tk-burger nav a:hover,
.tk-burger nav a[aria-current="page"] {
  background: #2A2926;
  color: #F5F2EA;
}

@media (max-width: 900px) {
  .tk-tete { height: 58px; }
}

@media (max-width: 760px) {
  .tk-menu { display: none; }
  .tk-burger { display: block; }
  .tk-btn { margin-left: auto; padding: 10px 13px; font-size: 11px; letter-spacing: .08em; }
  .tk-logo { height: 28px; }
}

@media (max-width: 400px) {
  .tk-tete .tk-borne { gap: 12px; }
  .tk-btn { padding: 9px 11px; font-size: 10.5px; }
}

/* ---------- Pied de page ---------- */
/* footer.tk-pied passe devant la règle « footer » de takumea.css. */
footer.tk-pied {
  background: #1A1A1A;
  color: rgba(245, 242, 234, .7);
  padding: 44px 0;
  font-family: "Source Sans 3", "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
}

footer.tk-pied .tk-borne {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  align-items: center;
}

footer.tk-pied nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-left: auto;
}

footer.tk-pied a {
  margin: 0;
  color: rgba(245, 242, 234, .78);
  text-decoration: none;
}

footer.tk-pied a:hover {
  color: #F5F2EA;
}

footer.tk-pied .tk-logo {
  height: 30px;
}

@media (max-width: 900px) {
  footer.tk-pied nav { margin-left: 0; }
}