/* ======================================
   HEADER STYLES
   ====================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
}

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

.site-header--transparent.site-header--scrolled {
  background: rgba(0, 21, 41, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.18);
  padding: var(--space-sm) 0;
}

/* Solid header (inner pages) */
.site-header--solid {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: var(--space-sm) 0;
}

.site-header--solid .nav__link {
  color: var(--color-gray-600);
}

.site-header--solid .nav__link:hover,
.site-header--solid .nav__link--active {
  color: var(--color-primary);
}

.site-header--solid .header__logo-text {
  color: var(--color-primary);
}

/* ── Container ── */
.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-xl);
  white-space: nowrap;
}

/* ── Logo ── */
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  z-index: calc(var(--z-header) + 3);
  flex-shrink: 0;
  position: relative;
}

.header__logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-md);
  color: var(--color-primary);
  font-weight: var(--fw-bold);
  font-family: var(--font-heading);
  box-shadow: 0 2px 8px rgba(201, 169, 110, 0.3);
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  color: var(--color-white);
  transition: color var(--transition-base);
  line-height: var(--lh-tight);
}

.header__logo-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: var(--fw-regular);
  color: var(--color-accent);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  display: block;
}

/* ── Navigation ── */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  letter-spacing: 0.02em;
  position: relative;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav__link:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.nav__link--active {
  color: var(--color-accent);
  font-weight: var(--fw-semibold);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 60%;
}

/* Solid header nav link states */
.site-header--solid .nav__link:hover {
  color: var(--color-primary);
  background: var(--color-gray-50);
}

.site-header--solid .nav__link--active {
  color: var(--color-accent-dark);
  background: rgba(201, 169, 110, 0.08);
}

.site-header--solid .nav__link:hover::after,
.site-header--solid .nav__link--active::after {
  background: var(--color-accent-dark);
}

/* ── Dropdown Menu (Desktop) ── */
.nav__item--dropdown {
  position: relative;
}

.nav__dropdown-icon {
  font-size: 0.65rem;
  margin-left: 2px;
  transition: transform var(--transition-base);
}

.nav__item--dropdown:hover .nav__dropdown-icon {
  transform: rotate(180deg);
}

.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  background: rgba(0, 21, 41, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(201, 169, 110, 0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  z-index: 100;
}

.nav__item--dropdown:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Bridge to prevent gap on hover */
.nav__item--dropdown::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 12px;
}

.nav__dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 10px 14px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-base);
  color: rgba(255, 255, 255, 0.7);
}

.nav__dropdown-link:hover,
.nav__dropdown-link--active {
  background: rgba(201, 169, 110, 0.12);
  color: var(--color-white);
}

.nav__dropdown-link > i {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 169, 110, 0.1);
  border-radius: var(--radius-md);
  font-size: var(--fs-md);
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.nav__dropdown-link:hover > i {
  background: var(--color-accent);
  color: var(--color-primary);
}

.nav__dropdown-title {
  display: block;
  font-size: 0.8rem;
  font-weight: var(--fw-semibold);
  color: var(--color-white);
  white-space: nowrap;
}

.nav__dropdown-desc {
  display: block;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.45);
  white-space: nowrap;
}

/* Solid header dropdown */
.site-header--solid .nav__dropdown {
  background: rgba(255, 255, 255, 0.97);
  border-color: var(--color-gray-100);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.site-header--solid .nav__dropdown-link {
  color: var(--color-gray-500);
}

.site-header--solid .nav__dropdown-link:hover,
.site-header--solid .nav__dropdown-link--active {
  background: rgba(var(--color-primary-rgb), 0.04);
  color: var(--color-primary);
}

.site-header--solid .nav__dropdown-link > i {
  background: rgba(var(--color-primary-rgb), 0.06);
  color: var(--color-primary);
}

.site-header--solid .nav__dropdown-link:hover > i {
  background: var(--color-primary);
  color: var(--color-white);
}

.site-header--solid .nav__dropdown-title {
  color: var(--color-primary);
}

.site-header--solid .nav__dropdown-desc {
  color: var(--color-gray-400);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* ── Language Switcher ── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  padding: 2px;
  backdrop-filter: blur(4px);
}

.lang-switcher__btn {
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: var(--fw-semibold);
  color: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  background: transparent;
  letter-spacing: 0.03em;
}

.lang-switcher__btn--active {
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.site-header--solid .lang-switcher {
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-100);
}

.site-header--solid .lang-switcher__btn {
  color: var(--color-gray-400);
}

.site-header--solid .lang-switcher__btn--active {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ── CTA Button ── */
.header__cta {
  font-size: 0.75rem !important;
  padding: 8px 16px !important;
  white-space: nowrap;
  border-radius: var(--radius-full) !important;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark)) !important;
  color: var(--color-primary) !important;
  border: none !important;
  font-weight: var(--fw-semibold) !important;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 10px rgba(201, 169, 110, 0.35);
  transition: all var(--transition-base) !important;
  display: flex;
  align-items: center;
  gap: 6px;
}

.header__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(201, 169, 110, 0.5) !important;
}

.header__cta i {
  font-size: 0.85rem;
}

/* ── Mobile Menu Toggle ── */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  z-index: calc(var(--z-header) + 2);
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-base);
  position: relative;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

.site-header--solid .menu-toggle:hover {
  background: var(--color-gray-50);
}

.menu-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  transform-origin: center;
}

.site-header--solid .menu-toggle__bar {
  background: var(--color-primary);
}

.menu-toggle.active .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active .menu-toggle__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* When menu is open on solid header, X icon should be white */
.site-header--solid .menu-toggle.active .menu-toggle__bar {
  background: var(--color-white);
}

.site-header--solid .menu-toggle.active:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ══════════════════════════════════════
   MOBILE NAVIGATION
   ══════════════════════════════════════ */
@media (max-width: 1024px) {
  .menu-toggle {
    display: flex;
  }

  /* ── Nav Panel ── */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 340px;
    height: 100vh;
    height: 100dvh;
    background: linear-gradient(180deg, #001529 0%, #002147 100%);
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    padding: 80px 24px 32px;
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    z-index: calc(var(--z-header) + 1);
  }

  .nav.active {
    right: 0;
  }

  /* ── Nav List ── */
  .nav__list {
    flex-direction: column;
    gap: 2px;
  }

  /* ── Nav Links ── 
     Force all links to white theme regardless of header type */
  .nav__link,
  .site-header--solid .nav__link {
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    padding: 14px 16px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    white-space: normal;
  }

  .nav__link::after {
    display: none;
  }

  .nav__link:hover,
  .site-header--solid .nav__link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
  }

  .nav__link--active,
  .site-header--solid .nav__link--active {
    color: var(--color-accent);
    background: rgba(201, 169, 110, 0.15);
  }

  /* ── Dropdown (Mobile) ── */
  .nav__item--dropdown > .nav__link {
    justify-content: space-between;
  }

  .nav__item--dropdown .nav__dropdown-icon {
    margin-left: auto;
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    opacity: 0.6;
  }

  .nav__item--dropdown.open .nav__dropdown-icon {
    transform: rotate(180deg);
    opacity: 1;
  }

  /* Kill desktop dropdown behaviors */
  .nav__item--dropdown::after {
    display: none;
  }

  .nav__item--dropdown:hover .nav__dropdown-icon {
    transform: none;
  }

  .nav__item--dropdown.open:hover .nav__dropdown-icon {
    transform: rotate(180deg);
  }

  .nav__dropdown,
  .site-header--solid .nav__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    min-width: 0;
    background: none;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: auto;
  }

  .nav__item--dropdown:hover .nav__dropdown {
    /* Disable desktop hover on mobile */
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav__item--dropdown.open > .nav__dropdown {
    display: block;
    padding: 4px 0 4px 16px;
    margin-top: 2px;
    border-left: 2px solid rgba(201, 169, 110, 0.3);
    margin-left: 16px;
  }

  .nav__dropdown-link,
  .site-header--solid .nav__dropdown-link {
    padding: 10px 12px;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.75);
    gap: 10px;
    background: none;
  }

  .nav__dropdown-link:hover,
  .site-header--solid .nav__dropdown-link:hover,
  .nav__dropdown-link--active,
  .site-header--solid .nav__dropdown-link--active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
  }

  .nav__dropdown-link > i,
  .site-header--solid .nav__dropdown-link > i {
    width: 32px;
    height: 32px;
    min-width: 32px;
    font-size: 0.85rem;
    background: rgba(201, 169, 110, 0.12);
    border-radius: 8px;
    color: var(--color-accent);
  }

  .nav__dropdown-link:hover > i,
  .site-header--solid .nav__dropdown-link:hover > i {
    background: rgba(201, 169, 110, 0.2);
    color: var(--color-accent);
  }

  .nav__dropdown-title,
  .site-header--solid .nav__dropdown-title {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
  }

  .nav__dropdown-desc,
  .site-header--solid .nav__dropdown-desc {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.45);
    white-space: normal;
  }

  /* ── Actions ── */
  .header__actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .lang-switcher,
  .site-header--solid .lang-switcher {
    background: rgba(255, 255, 255, 0.08);
    align-self: center;
    border: 1px solid rgba(255, 255, 255, 0.06);
    backdrop-filter: none;
  }

  .lang-switcher__btn,
  .site-header--solid .lang-switcher__btn {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--fs-sm);
    padding: 6px 16px;
  }

  .lang-switcher__btn--active,
  .site-header--solid .lang-switcher__btn--active {
    background: var(--color-white);
    color: var(--color-primary);
  }

  .header__cta {
    font-size: var(--fs-sm) !important;
    padding: 12px var(--space-xl) !important;
    justify-content: center;
    border-radius: var(--radius-lg) !important;
    width: 100%;
  }

  /* ── Overlay ──
     Outside <header> to avoid backdrop-filter containing block issue.
     z-index 299 = below header(300), above page content. */
  .nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 299;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .nav-overlay.active {
    display: block;
    opacity: 1;
  }
}

/* ── Large desktop fine-tuning ── */
@media (min-width: 1025px) and (max-width: 1280px) {
  .nav__link {
    font-size: 0.75rem;
    padding: 5px 8px;
  }

  .header__cta {
    font-size: 0.7rem !important;
    padding: 6px 12px !important;
  }

  .header__cta i {
    display: none;
  }

  .lang-switcher__btn {
    padding: 3px 8px;
    font-size: 0.65rem;
  }
}