/* =============================================
   NAV.CSS — Navigation principale
   ============================================= */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.6rem 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(250, 247, 244, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

nav.scrolled {
  border-color: rgba(197, 140, 110, 0.15);
  box-shadow: 0 2px 20px rgba(58, 53, 48, 0.06);
}

/* LOGO */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.nav-logo-img {
  height: 38px;
  width: auto;
  display: block;
}
.nav-logo-texte {
  font-family: var(--font-titre);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--texte);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.nav-logo-texte em {
  font-style: italic;
  color: var(--terre);
}

/* LIENS */
.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  align-items: center;
}
.nav-links a {
  font-family: var(--font-corps);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texte-doux);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--terre);
  transition: width 0.3s ease;
}
.nav-links a:hover {
  color: var(--texte);
}
.nav-links a:hover::after {
  width: 100%;
}

/* CTA NAV */
.nav-cta {
  font-family: var(--font-corps);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--blanc) !important;
  background: var(--vert);
  padding: 0.6rem 1.4rem;
  border-radius: 30px;
  transition: background 0.3s !important;
  white-space: nowrap;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--texte) !important;
  color: var(--blanc) !important;
}

/* BURGER */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  width: 22px;
  height: 1px;
  background: var(--texte);
  display: block;
  transition: all 0.3s;
}
.burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* MENU MOBILE */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--fond);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transform: translateX(100%);
  transition: transform 0.4s ease;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu a {
  font-family: var(--font-titre);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--texte);
  transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--terre); }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 1.2rem 1.5rem; }
  .nav-links, .nav-cta { display: none; }
  .burger { display: flex; }
}