/* ============================================================
   Airmarine — Header CSS
   ============================================================ */

/* ─── Site Header ───────────────────────────────────────── */
.air-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--air-white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--transition);
}

.air-header.is-scrolled {
  box-shadow: 0 2px 20px rgba(20, 35, 46, 0.08);
}

.air-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}

/* ─── Logo ──────────────────────────────────────────────── */
.air-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  line-height: 1;
}

.air-header__logo a {
  display: flex;
  align-items: center;
}

.air-logo {
  height: 42px;
  width: auto;
}

/* ─── Nav ───────────────────────────────────────────────── */
.air-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
}

.air-nav__menu {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.air-nav__menu > li {
  position: relative;
}

.air-nav__menu > li.menu-item-has-children > a {
  padding-right: 25px;
}

.air-nav__menu > li.menu-item-has-children > a::before {
  content: '';
  position: absolute;
  right: 11px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -4px;
  border-right: 1.5px solid var(--air-orange);
  border-bottom: 1.5px solid var(--air-orange);
  transform: rotate(45deg);
}

.air-nav__menu .sub-menu {
  position: absolute;
  z-index: 120;
  left: 0;
  top: calc(100% - 2px);
  min-width: 170px;
  margin: 0;
  padding: 9px 0;
  list-style: none;
  background: var(--air-white);
  box-shadow: 0 8px 22px rgba(0,0,0,.14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.air-nav__menu .sub-menu a {
  display: block;
  padding: 9px 14px;
  color: var(--air-text);
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
}

.air-nav__menu .sub-menu a:hover,
.air-nav__menu .sub-menu .current-menu-item > a {
  color: var(--air-orange);
}

.air-nav__menu > li.menu-item-has-children:hover > .sub-menu,
.air-nav__menu > li.menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.air-nav__menu > li > a {
  display: block;
  padding: 8px 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--air-text);
  white-space: nowrap;
  transition: color var(--transition);
  position: relative;
}

.air-nav__menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--air-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.air-nav__menu > li > a:hover {
  color: var(--air-teal);
}

.air-nav__menu > li > a:hover::after,
.air-nav__menu > li.current-menu-item > a::after {
  transform: scaleX(1);
}

.air-nav__menu > li.current-menu-item > a {
  color: var(--air-teal);
}

/* ─── Header Controls (right side) ─────────────────────── */
.air-header__controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  padding-left: 8px;
  border-left: 1px solid rgba(0, 0, 0, 0.08);
  margin-left: 8px;
}

.air-header__lang {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--air-muted);
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--transition);
}

.air-header__lang:hover {
  color: var(--air-teal);
}

.air-header__search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--air-muted);
  transition: color var(--transition);
  background: none;
  border: none;
}

.air-header__search-btn:hover {
  color: var(--air-teal);
}

.air-header__search-btn svg {
  width: 16px;
  height: 16px;
}

/* ─── Hamburger (Mobile) ────────────────────────────────── */
.air-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.air-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--air-navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.air-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.air-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.air-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── Mobile Nav Overlay ────────────────────────────────── */
.air-mobile-nav {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--air-white);
  z-index: 99;
  padding: 32px var(--container-pad);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

.air-mobile-nav.is-open {
  transform: translateX(0);
}

.air-mobile-nav .air-nav__menu {
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.air-mobile-nav .air-nav__menu > li > a {
  font-size: 1.1rem;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  display: block;
  width: 100%;
}

.air-mobile-nav .air-nav__menu > li > a::after {
  display: none;
}

.air-mobile-nav .air-nav__menu .sub-menu {
  position: static;
  min-width: 0;
  width: 100%;
  padding: 0 0 5px 18px;
  box-shadow: none;
  opacity: 1;
  visibility: visible;
  transform: none;
  background: transparent;
}

.air-mobile-nav .air-nav__menu .sub-menu a {
  padding: 10px 0;
  font-size: .9rem;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1023px) {
  .air-nav { display: none; }
  .air-hamburger { display: flex; }
  .air-mobile-nav { display: block; }
  .air-header__controls { display: none; }
}

@media (max-width: 1200px) {
  .air-nav__menu > li > a {
    padding: 8px 10px;
    font-size: 0.73rem;
  }
}