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

/* === Top Promo Bar === */
.mtm-topbar {
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  font-size: var(--text-sm);
  position: relative;
  z-index: var(--z-sticky);
  overflow: hidden;
}

.mtm-topbar.hidden {
  display: none;
}

.mtm-topbar__content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  width: 100%;
}

.mtm-topbar__text {
  font-weight: 500;
  letter-spacing: 0.3px;
  animation: fadeIn 0.5s ease;
}

.mtm-topbar__close {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  padding: 4px;
  transition: color var(--transition-fast);
  position: absolute;
  right: var(--space-4);
}

.mtm-topbar__close:hover {
  color: var(--color-white);
}

/* === Main Header === */
.mtm-header {
  background: var(--color-white);
  height: var(--header-height);
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: box-shadow var(--transition-base), height var(--transition-base);
}

.mtm-header.scrolled {
  box-shadow: var(--shadow-md);
  height: 60px;
}

.mtm-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  width: 100%;
}

/* Hamburger */
.mtm-header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mtm-header__menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* Logo */
.mtm-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.mtm-header__logo img {
  height: 45px;
  width: auto;
}

.mtm-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.mtm-logo-text__primary {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.mtm-logo-text__secondary {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-secondary);
  letter-spacing: 2px;
  text-transform: lowercase;
}

/* Search Bar */
.mtm-header__search {
  flex: 1;
  max-width: 500px;
}

.mtm-search-form {
  display: flex;
  position: relative;
}

.mtm-search-form__input {
  width: 100%;
  height: 42px;
  padding: 0 48px 0 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  background: var(--color-bg);
  transition: all var(--transition-base);
  outline: none;
}

.mtm-search-form__input:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.mtm-search-form__btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mtm-search-form__btn:hover {
  background: var(--color-primary-dark);
}

/* Header Actions */
.mtm-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

.mtm-header__action {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.mtm-header__action:hover {
  color: var(--color-primary);
}

.mtm-header__action svg {
  flex-shrink: 0;
}

.mtm-header__action-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.mtm-header__action-text small {
  font-size: 11px;
  color: var(--color-text-light);
}

.mtm-header__action-text strong {
  font-size: var(--text-base);
  color: var(--color-primary);
}

.mtm-header__action-label {
  font-size: var(--text-sm);
  font-weight: 500;
}

/* Cart badge */
.mtm-header__cart {
  position: relative;
}

.mtm-cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  padding: 0 4px;
}

/* === Main Navigation === */
.mtm-nav {
  background: var(--color-secondary);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  position: sticky;
  top: var(--header-height);
  z-index: calc(var(--z-sticky) - 1);
  transition: top var(--transition-base);
}

.mtm-header.scrolled ~ .mtm-nav {
  top: 60px;
}

.mtm-nav__list {
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  justify-content: center;
}

.mtm-nav__item {
  position: relative;
}

.mtm-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 10px 14px;
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--transition-fast);
  border-radius: var(--radius-sm);
}

.mtm-nav__link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.mtm-nav__icon {
  font-size: 14px;
  line-height: 1;
}

/* === Mobile Menu === */
.mtm-mobile-menu {
  position: fixed;
  top: 0;
  left: -300px;
  width: 300px;
  height: 100vh;
  background: var(--color-white);
  z-index: var(--z-modal);
  transition: left var(--transition-slow);
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.mtm-mobile-menu.open {
  left: 0;
}

.mtm-mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-secondary);
  color: var(--color-white);
}

.mtm-mobile-menu__title {
  font-weight: 700;
  font-size: var(--text-lg);
}

.mtm-mobile-menu__close {
  color: var(--color-white);
  font-size: 18px;
  padding: 4px;
}

.mtm-mobile-menu__search {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.mtm-mobile-menu__search-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
}

.mtm-mobile-menu__list {
  padding: var(--space-2) 0;
}

.mtm-mobile-menu__list li a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-fast);
}

.mtm-mobile-menu__list li a:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}

/* Overlay */
.mtm-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mtm-overlay.visible {
  opacity: 1;
  visibility: visible;
}