/* Header styles for PetComfort Market */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.header-brand {
  display: flex;
  align-items: center;
}

.header-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.header-logo-mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-logo-mark .fa-paw {
  font-size: 1.2rem;
}

.header-logo-text {
  white-space: nowrap;
}

.header-nav {
  display: flex;
  align-items: center;
}

.header-nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.header-nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.header-nav-link:hover,
.header-nav-link:focus-visible {
  color: var(--color-primary-dark);
}

.header-nav-cta {
  margin-left: var(--space-2);
}

/* Mobile toggle */

.header-toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-300);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.header-toggle-bar {
  width: 1.3rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-800);
  display: block;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.header-toggle-bar + .header-toggle-bar {
  margin-top: 4px;
}

/* Toggle active state */

.site-header.is-open .header-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header.is-open .header-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .header-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive behavior */

@media (max-width: 768px) {
  .header-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .header-nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-md);
    transform-origin: top;
  }

  .header-nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .header-nav-cta {
    width: 100%;
  }

  .header-nav-cta .btn {
    width: 100%;
    justify-content: center;
  }

  /* Hidden by default for small screens; JS will remove this class when menu is open */
  .header-nav.is-collapsed {
    display: none;
  }
}

@media (min-width: 769px) {
  .header-toggle {
    display: none;
  }

  .header-nav {
    position: static;
    box-shadow: none;
  }
}