/* ===========================
   MODERN HEADER
   Luxury minimal navigation
   =========================== */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background-color 0.4s ease, backdrop-filter 0.4s ease;
}

/* Transparent on hero pages */
.site-header--transparent {
  background: transparent;
}

/* Solid on subpages */
.site-header:not(.site-header--transparent) {
  background: var(--color-white);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  position: relative;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px;
  height: 80px;
}

/* === NAV LEFT === */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 14px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
  color: var(--color-navy);
  cursor: pointer;
  text-decoration: none;
}

.nav-link:hover {
  background: rgba(0,0,0,0.04);
  color: var(--color-navy);
}

/* Transparent header: white links */
.site-header--transparent .nav-link {
  color: var(--color-white);
}
.site-header--transparent .nav-link:hover {
  background: rgba(255,255,255,0.12);
  color: var(--color-white);
}

/* === DROPDOWN ARROW === */
.dropdown-arrow {
  display: inline-block;
  width: 0; height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 3.5px solid currentColor;
  transition: transform 0.2s;
  margin-top: 1px;
}

.has-dropdown {
  position: relative;
}

.has-dropdown[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

/* === DROPDOWN MENU === */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  background: var(--color-white);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s, visibility 0.2s, transform 0.2s;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu,
.has-dropdown[aria-expanded="true"] .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  border-radius: 6px;
  transition: background 0.15s;
}

.dropdown-menu a:hover {
  background: #f5f5f4;
  color: var(--color-navy);
}

/* === MEGA DROPDOWN === */
.dropdown-menu--mega {
  display: flex;
  min-width: 380px;
  padding: 8px;
  gap: 0;
}

.mega-col {
  display: flex;
  flex-direction: column;
}

.mega-col--main {
  flex: 0 0 auto;
  min-width: 160px;
  padding-right: 8px;
}

.mega-col--sub {
  flex: 1;
  border-left: 1px solid rgba(0,0,0,0.08);
  padding-left: 8px;
  display: none;
  flex-direction: column;
}

.mega-col--main:has(.mega-link--parent:hover) + .mega-col--sub,
.mega-col--sub:hover {
  display: flex;
}

.mega-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: var(--fw-regular);
  color: var(--color-navy);
  border-radius: 6px;
  transition: background 0.15s;
  text-decoration: none;
}

.mega-link:hover {
  background: #f5f5f4;
  color: var(--color-navy);
}

.mega-arrow {
  font-size: 16px;
  opacity: 0.5;
}

/* === NAV ACTIONS (right) === */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language switcher */
.lang-pills {
  display: flex;
  align-items: center;
  gap: 0;
  margin-right: 16px;
  border: 1.5px solid rgba(255,255,255,0.5);
  border-radius: 4px;
  overflow: hidden;
}

.site-header:not(.site-header--transparent) .lang-pills {
  border-color: rgba(0,0,0,0.15);
}

.lang-pills a {
  display: block;
  font-size: 14px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  padding: 10px 16px;
  transition: background 0.2s, color 0.2s;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  border-right: 1px solid rgba(255,255,255,0.2);
}

.lang-pills a:last-child {
  border-right: none;
}

.site-header:not(.site-header--transparent) .lang-pills a {
  color: var(--color-medium-gray);
  border-right-color: rgba(0,0,0,0.1);
}

.lang-pills a.active {
  background: rgba(255,255,255,0.2);
  color: var(--color-white);
}

.site-header:not(.site-header--transparent) .lang-pills a.active {
  background: var(--color-navy);
  color: var(--color-white);
}

.lang-pills a:hover:not(.active) {
  background: rgba(255,255,255,0.1);
  color: var(--color-white);
}

.site-header:not(.site-header--transparent) .lang-pills a:hover:not(.active) {
  background: rgba(0,0,0,0.04);
  color: var(--color-navy);
}

/* CTA Buttons */
.nav-actions .btn--primary {
  font-size: 14px;
  padding: 10px 28px;
  border-radius: 4px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
}

.nav-actions .btn--ghost {
  font-size: 14px;
  padding: 10px 28px;
  border-radius: 4px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.5);
  color: var(--color-white);
  transition: background 0.2s, border-color 0.2s;
}

.nav-actions .btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
}

.site-header:not(.site-header--transparent) .nav-actions .btn--ghost {
  border-color: rgba(0,0,0,0.2);
  color: var(--color-navy);
}

.site-header:not(.site-header--transparent) .nav-actions .btn--ghost:hover {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.35);
}

/* === HAMBURGER === */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 101;
  cursor: pointer;
  border-radius: 6px;
  padding: 4px;
  transition: background 0.2s;
}

.menu-toggle:hover {
  background: rgba(0,0,0,0.04);
}

.site-header--transparent .menu-toggle:hover {
  background: rgba(255,255,255,0.12);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-navy);
  transition: all 0.3s ease;
  border-radius: 1px;
}

.site-header--transparent .hamburger-line {
  background-color: var(--color-white);
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* === MOBILE === */
@media (max-width: 1023px) {
  .header-inner {
    padding: 0 20px;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 380px;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: 80px 24px 24px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 40px rgba(0,0,0,0.08);
    overflow-y: auto;
    z-index: 100;
  }

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

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-list > li {
    border-bottom: 1px solid #f0f0f0;
  }

  .nav-link {
    color: var(--color-navy) !important;
    font-size: 16px;
    padding: 14px 4px;
    border-radius: 0;
    background: none !important;
  }

  .dropdown-menu {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    border-radius: 0;
    box-shadow: none;
    padding: 0 0 8px 12px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .dropdown-menu--mega {
    flex-direction: column;
    min-width: unset;
  }

  .mega-col--main {
    padding-right: 0;
  }

  .mega-col--sub {
    display: flex !important;
    flex-direction: column;
    border-left: none;
    padding-left: 12px;
    border-top: 1px solid rgba(0,0,0,0.06);
    margin-top: 4px;
    padding-top: 4px;
  }

  .has-dropdown[aria-expanded="true"] .dropdown-menu {
    max-height: 600px;
  }

  .nav-actions {
    margin-top: 24px;
    flex-direction: column;
    gap: 10px;
  }

  .nav-actions .btn--primary,
  .nav-actions .btn--ghost {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 14px;
  }

  .lang-pills {
    margin-right: 0;
    align-self: flex-start;
    margin-bottom: 8px;
  }
}

/* === OVERLAY === */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(4px);
  z-index: 99;
}

.nav-overlay.is-visible {
  display: block;
}