/* Header-specific styles for Outfit Trends Hub */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  backdrop-filter: blur(18px);
  background: rgba(247, 245, 242, 0.94);
}

.site-header__inner {
  min-height: 4rem;
}

/* Branding */
.site-header__branding {
  display: flex;
  align-items: center;
  min-width: 0;
}

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

.site-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: #ffffff;
}

.site-header__logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

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

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

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

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-item {
  list-style: none;
}

.nav-link {
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.nav-link--active {
  color: var(--color-text);
}

.site-header__cta-wrapper {
  display: flex;
  align-items: center;
}

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

/* Mobile nav toggle */
.site-header__nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--color-text);
}

.site-header__nav-toggle-box {
  width: 1.5rem;
  height: 1.1rem;
  position: relative;
}

.site-header__nav-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.site-header__nav-toggle-line:first-child {
  top: 0;
}

.site-header__nav-toggle-line:last-child {
  bottom: 0;
}

.site-header__nav-toggle-text {
  font-size: var(--font-size-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* Open state */
.site-header--nav-open .site-header__nav-toggle-line:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(40deg);
}

.site-header--nav-open .site-header__nav-toggle-line:last-child {
  bottom: 50%;
  transform: translateY(50%) rotate(-40deg);
}

/* Ensure nav is usable without JS on larger screens and hidden on small by default via base.css overrides */
@media (max-width: 768px) {
  .site-header__inner {
    gap: var(--space-3);
  }

  .site-header__nav-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 3.5rem;
    background: rgba(247, 245, 242, 0.98);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4) var(--space-6) var(--space-6);
    gap: var(--space-4);
  }

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

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

  .nav-link {
    font-size: var(--font-size-sm);
  }

  .site-header__cta-wrapper {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .site-header__logo-subtitle {
    display: none;
  }

  .site-header__logo-title {
    font-size: 0.95rem;
  }
}