/* ============================================================
   NAV.CSS - Navigation bar
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background-color: var(--color-bg-dark);
  box-shadow: 0 1px 0 rgb(217 185 124 / 22%);
  transition: box-shadow var(--transition-base);
}

.nav--scrolled {
  box-shadow:
    0 1px 0 rgb(217 185 124 / 30%),
    0 8px 24px rgb(0 0 0 / 35%);
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* === LOGO === */
.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo-name {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-style: italic;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-cream);
}

/* === LINKS === */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  position: relative;
  padding-block: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cream);
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background-color: var(--color-accent-light);
  transition: right var(--transition-base);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-accent-light);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  right: 0;
}

/* === ACTIONS === */
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 500;
}

.lang-selector__btn {
  padding: var(--space-1);
  letter-spacing: 0.12em;
  color: rgb(245 240 232 / 60%);
  transition: color var(--transition-fast);
}

.lang-selector__btn:hover,
.lang-selector__btn--active {
  color: var(--color-accent-light);
}

.lang-selector__divider {
  color: rgb(245 240 232 / 25%);
}

/* === HAMBURGER === */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-2);
}

.nav__hamburger span {
  display: block;
  height: 2px;
  background-color: var(--color-cream);
  transition:
    transform var(--transition-base),
    opacity var(--transition-base);
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* === RESPONSIVE === */
@media (width <= 1040px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-6) var(--container-padding);
    background-color: var(--color-bg-dark);
    box-shadow: 0 12px 24px rgb(0 0 0 / 35%);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition:
      opacity var(--transition-base),
      transform var(--transition-base),
      visibility var(--transition-base);
  }

  .nav--mobile-open .nav__links {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .nav__logo-name {
    font-size: var(--text-2xl);
  }
}