/* Wear Trend Guide – Header styles
   Builds on base.css variables and utilities */

.wtg-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background-color: rgba(247, 244, 242, 0.96);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.wtg-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Brand */
.wtg-header__brand {
  display: flex;
  align-items: center;
}

.wtg-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.wtg-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--gray-300);
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.wtg-header__logo-text {
  display: flex;
  flex-direction: column;
}

.wtg-header__logo-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.wtg-header__logo-subtitle {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Navigation */
.wtg-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.wtg-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.wtg-header__nav-item {
  list-style: none;
}

.wtg-header__cta-wrapper {
  margin-left: var(--space-4);
}

.wtg-header__cta {
  font-size: var(--font-size-xs);
}

/* Mobile menu toggle */
.wtg-header__menu-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--gray-200);
  background-color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: background-color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.wtg-header__menu-toggle:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--gray-300);
  box-shadow: var(--shadow-subtle);
}

.wtg-header__menu-toggle:active {
  transform: translateY(1px);
}

.wtg-header__menu-toggle-box {
  position: relative;
  width: 18px;
  height: 14px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}

.wtg-header__menu-toggle-line {
  height: 1px;
  width: 100%;
  background-color: var(--color-text);
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.wtg-header__menu-toggle-text {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Mobile states */
@media (max-width: 900px) {
  .wtg-header {
    height: 100px;
  }

  .wtg-header__menu-toggle {
    display: inline-flex;
  }

  .wtg-header__nav {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    background-color: rgba(247, 244, 242, 0.98);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .wtg-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .wtg-header__cta-wrapper {
    margin-left: 0;
    margin-top: var(--space-4);
  }

  .wtg-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .wtg-header__menu-toggle--open .wtg-header__menu-toggle-line:first-child {
    transform: translateY(6px) rotate(45deg);
  }

  .wtg-header__menu-toggle--open .wtg-header__menu-toggle-line:last-child {
    transform: translateY(-6px) rotate(-45deg);
  }
}

/* Medium / desktop refinements */
@media (min-width: 901px) {
  .wtg-header__nav {
    position: static;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    padding: 0;
    background: transparent;
    border-bottom: none;
  }
}

/* Utility for visually unstyled link, relying on base.css underline logic opt-out */
.unstyled-link::after {
  content: none !important;
}