/* ================================================
   NAV.CSS — Navigation & Mobile Menu
   ================================================ */

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 5%;
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

nav.scrolled {
  border-color: var(--light);
  box-shadow: 0 2px 20px rgba(30, 26, 20, 0.06);
}

/* ── Logo ── */
.nav-logo {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ink);
  text-decoration: none;
}

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

/* ── Links ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink2);
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--rose);
  transition: width var(--transition);
}

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

.nav-links a:hover::after {
  width: 100%;
}

/* ── Language switcher ── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink2);
  transition: background var(--transition), color var(--transition);
}

.lang-btn.active {
  background: var(--rose);
  color: #fff;
}

.lang-divider {
  color: var(--light);
}

/* ── Burger ── */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

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

/* ── Mobile menu overlay ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(250, 247, 242, 0.98);
  backdrop-filter: blur(10px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-family: var(--serif);
  font-size: 2rem;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
}

.mobile-menu a:hover {
  color: var(--rose);
}

.mobile-lang {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

/* ── Responsive ── */
@media (max-width: 700px) {
  nav .nav-links,
  nav .lang-switcher {
    display: none;
  }

  .burger {
    display: flex;
  }
}