/* ================================
   AERYS INSTITUT — Navigation
   ================================ */

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 28px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition:
    background 0.5s,
    padding 0.4s,
    box-shadow 0.4s;
}

nav.scrolled {
  background: rgba(253, 249, 247, 0.96);
  backdrop-filter: blur(16px);
  padding: 16px 60px;
  box-shadow: 0 1px 0 rgba(196, 162, 97, 0.15);
}

/* Logo */
.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.35em;
  color: var(--text-dark);
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.4s;
}

.logo span {
  color: var(--gold);
}

.logo img {
  padding: 5px;
  width: 200px;
}

/* Liens */
.nav-links {
  display: flex;
  gap: 42px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-mid);
  transition: color 0.3s;
  font-weight: 300;
}

.nav-links a:hover {
  color: var(--gold);
}

/* CTA */
.nav-cta {
  font-size: 13px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 11px 26px;
  border: 1px solid rgba(196, 162, 97, 0.5);
  color: var(--gold);
  text-decoration: none;
  transition:
    background 0.3s,
    color 0.3s;
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--white);
}

/* Responsive */
@media (max-width: 900px) {
  nav {
    padding: 22px 24px;
    display: none;
  }
  nav.scrolled {
    padding: 14px 24px;
  }
}

/* Styles supplémentaires pour le bouton mobile */
.mobile-rdv-btn {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  z-index: 1000;
  text-align: center;
  transform: translateY(100px);
  transition: transform 0.3s ease;
}

.mobile-rdv-btn.show {
  transform: translateY(0);
}

.mobile-rdv-btn .btn-primary {
  display: block;
  width: 100%;
  padding: 14px 20px;
  font-size: 13px;
  background: var(--gold);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.mobile-rdv-btn .btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

/* Cacher le bouton original dans la hero sur mobile */
@media (max-width: 900px) {
  .hero-btns .btn-primary {
    display: none;
  }

  /* Afficher le conteneur du bouton mobile */
  .mobile-rdv-btn {
    display: block;
  }

  /* Ajuster le padding de la hero pour ne pas cacher le texte */
  .hero {
    padding-bottom: 80px;
  }
}