/* ===== NAVBAR ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  box-shadow: var(--shadow-nav);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.nav__logo {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: .04em;
  color: var(--color-primary);
}
.nav__logo small {
  display: block;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 9px;
  letter-spacing: .32em;
  color: var(--color-brown);
  text-transform: uppercase;
  margin-top: -2px;
}
.nav__links {
  display: flex;
  gap: 34px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 500;
}
.nav__links a {
  position: relative;
  padding: 6px 0;
  color: var(--color-text);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav__links a:hover::after { transform: scaleX(1); }

.nav__right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang {
  font-size: 12px;
  letter-spacing: .18em;
  font-weight: 500;
  user-select: none;
}
.lang button {
  padding: 2px 2px;
  color: #9c8a7d;
  transition: color .2s;
}
.lang button.is-active { color: var(--color-primary); }
.lang span { color: #d8cfc4; margin: 0 4px; }

.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.hamburger svg { width: 24px; height: 24px; }

/* mobile menu */
.mobile-menu {
  position: fixed;
  top: 78px;
  left: 0; right: 0;
  background: #fff;
  box-shadow: 0 12px 24px rgba(26,8,0,.1);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform .3s ease, opacity .25s ease, visibility 0s linear .25s;
  z-index: 49;
  padding: 18px 28px 28px;
}
.mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: transform .3s ease, opacity .25s ease, visibility 0s linear 0s;
}
.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-size: 13px;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-weight: 500;
  border-bottom: 1px solid #efe9e0;
}
.mobile-menu .btn { width: 100%; margin-top: 18px; }
.mobile-menu .lang { margin-top: 18px; text-align: center; }

@media (max-width: 980px) {
  .nav__links { display: none; }
  .nav__right .btn { display: none; }
  .nav__right .lang { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 640px) {
  .nav__inner { height: 68px; }
  .mobile-menu { top: 68px; }
}