/* ============================================================
   THALUX — Header
   ============================================================ */

/* --- Top Bar --- */
.topbar {
  background: var(--color-text-heading); 
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 950;
}

.topbar__text {
  font-size: 10px;
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: 2px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --- Header Main --- */
.header {
  position: fixed;
  top: var(--topbar-h);
  left: 0;
  right: 0;
  z-index: 940;
  background: var(--color-bg);
  transition: box-shadow var(--transition);
}

.header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.header__main {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--section-px);
  max-width: var(--container-max);
  margin: 0 auto;
  gap: 16px;
}

/* --- Hamburger (Mobile) --- */
.header__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.header__hamburger span {
  width: 22px;
  height: 2px;
  background: var(--color-text-heading);
  transition: all var(--transition);
  border-radius: 2px;
}

.header__hamburger.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.header__hamburger.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Logo --- */
.header__logo {
  flex-shrink: 0;
}

.header__logo img {
  height: 36px;
  width: auto;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
}

/* --- Search --- */
.header__search {
  flex: 1;
  max-width: 400px;
  display: none;
}

.header__search-bar {
  width: 100%;
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.header__search-bar:focus-within {
  border-color: var(--color-primary);
}

.header__search-bar input {
  flex: 1;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--color-text);
}

.header__search-bar input::placeholder {
  color: var(--color-text-muted);
}

.header__search-bar button {
  padding: 10px 14px;
  color: var(--color-primary);
  display: flex;
  align-items: center;
}

.header__search-bar button svg {
  width: 18px;
  height: 18px;
}

/* --- Header Icons --- */
.header__icons {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header__icon {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
  color: var(--color-text-heading);
}

.header__icon:hover {
  background: var(--color-bg-alt);
}

.header__icon svg {
  width: 22px;
  height: 22px;
}

.header__icon-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  display: none;
}

.header__icon-badge.is-visible {
  display: flex;
}

.header__icon--search-mobile {
  display: flex;
}

.header__icon--account {
  display: none;
}

/* --- Navigation --- */
.header__nav {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--section-px);
  overflow: hidden;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.header__nav-list::-webkit-scrollbar {
  display: none;
}

.header__nav-link {
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text);
  white-space: nowrap;
  transition: color var(--transition);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.header__nav-link:hover {
  color: var(--color-primary);
}

.header__nav-link:hover::after {
  transform: scaleX(1);
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 300px;
  max-width: 85vw;
  background: var(--color-bg);
  z-index: 960;
  transform: translateX(-100%);
  transition: transform var(--transition);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

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

.mobile-menu__header {
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-text-muted);
  cursor: pointer;
}

.mobile-menu__body {
  flex: 1;
  padding: 16px 0;
}

.mobile-menu__section-title {
  padding: 8px 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-muted);
}

.mobile-menu__link {
  display: block;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-heading);
  transition: background var(--transition-fast);
}

.mobile-menu__link:hover {
  background: var(--color-bg-alt);
}

.mobile-menu__divider {
  height: 1px;
  background: var(--color-border);
  margin: 8px 20px;
}

.mobile-menu__footer {
  padding: 20px;
  border-top: 1px solid var(--color-border);
}

.mobile-menu__social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.mobile-menu__social a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.mobile-menu__social a:hover {
  color: var(--color-primary);
}

.mobile-menu__social svg {
  width: 22px;
  height: 22px;
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  z-index: 955;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.mobile-menu-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* --- Search Overlay (Mobile) --- */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  z-index: 970;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateY(-100%);
  transition: transform var(--transition);
  box-shadow: var(--shadow-md);
}

.search-overlay.is-open {
  transform: translateY(0);
}

.search-overlay__input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 16px;
}

.search-overlay__close {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

/* ============================================================
   RESPONSIVE — Desktop
   ============================================================ */
@media (min-width: 768px) {
  .header__search {
    display: block;
  }

  .header__icon--search-mobile {
    display: none;
  }

  .header__icon--account {
    display: flex;
  }

  .header__hamburger {
    display: none;
  }

  .header__nav {
    display: block;
  }

  .header__nav-link {
    font-size: 13px;
    padding: 12px 14px;
  }

  .header__logo-text {
    font-size: 26px;
  }
}

@media (min-width: 1024px) {
  .header__nav-link {
    padding: 12px 18px;
    font-size: 14px;
  }

  .header__search {
    max-width: 460px;
  }
}