/* Header-specific styles for Brandologix */

.bo-header {
  position: relative;
  z-index: 40;
}

/* 18+ warning banner */
.bo-header__age-warning {
  background-color: #7f1d1d;
  background-image: linear-gradient(90deg, #991b1b, #b91c1c);
  color: #fef2f2;
  font-size: var(--font-size-xs);
}

.bo-header__age-warning-inner {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.bo-header__age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(254, 242, 242, 0.8);
  font-weight: 700;
  font-size: 0.8rem;
}

.bo-header__age-text {
  margin: 0;
  color: #fee2e2;
}

/* Core header layout overrides */
.bo-header__inner {
  gap: var(--space-24);
}

.bo-header__brand {
  text-decoration: none;
}

.bo-header__brand-text {
  display: flex;
  flex-direction: column;
}

.bo-header__brand-name {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-tight);
}

.bo-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */
.bo-header__nav {
  margin-left: auto;
}

.bo-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-16);
}

.bo-header__nav-item {
  position: relative;
}

.bo-header__nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.35rem 0.25rem;
  border-radius: var(--radius-full);
  position: relative;
}

.bo-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary-strong), var(--color-success));
  opacity: 0;
  transform: scaleX(0.5);
  transform-origin: center;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.bo-header__nav-link:hover {
  color: var(--color-gray-50);
}

.bo-header__nav-link--current,
.bo-header__nav-link--current:hover {
  color: var(--color-gray-50);
}

.bo-header__nav-link--current::after {
  opacity: 1;
  transform: scaleX(1);
}

/* Mobile nav toggle */
.bo-header__nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-muted);
  background-color: rgba(15, 23, 42, 0.85);
}

.bo-header__nav-toggle:hover {
  border-color: var(--color-success);
  color: var(--color-success);
}

.bo-header__nav-toggle:focus-visible {
  outline: 2px solid var(--color-success);
  outline-offset: 3px;
}

.bo-header__nav-toggle-icon {
  position: relative;
  width: 18px;
  height: 14px;
}

.bo-header__nav-toggle-icon::before,
.bo-header__nav-toggle-icon::after,
.bo-header__nav-toggle-icon span {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: currentColor;
  transition: transform var(--transition-normal), opacity var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal);
}

.bo-header__nav-toggle-icon::before {
  top: 0;
}

.bo-header__nav-toggle-icon::after {
  bottom: 0;
}

.bo-header__nav-toggle-icon span {
  top: 50%;
  transform: translateY(-50%);
}

/* When JS adds helper span inside toggle icon */
.bo-header__nav-toggle-icon-inner {
  display: none;
}

.bo-header__nav-toggle-label {
  font-size: var(--font-size-xs);
}

/* Mobile state: nav closed (default, but keep nav usable without JS) */
@media (max-width: 768px) {
  .bo-header__inner {
    flex-wrap: wrap;
  }

  .bo-header__nav-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .bo-header__nav {
    width: 100%;
    order: 3;
  }

  .bo-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
    border-top: 1px solid var(--color-border-subtle);
  }

  /* Progressive enhancement: when JS is enabled it will add .js-nav-collapsible to enable sliding behavior */
  .js-nav-collapsible.bo-header__nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .js-nav-collapsible.bo-header__nav.is-open {
    max-height: 320px;
  }

  .js-nav-collapsible.bo-header__nav-list {
    border-top: none;
    padding-top: var(--space-8);
    padding-bottom: var(--space-16);
  }
}

/* State: menu open (toggle button) */
.bo-header__nav-toggle[aria-expanded="true"] .bo-header__nav-toggle-icon::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.bo-header__nav-toggle[aria-expanded="true"] .bo-header__nav-toggle-icon::after {
  bottom: auto;
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

.bo-header__nav-toggle[aria-expanded="true"] .bo-header__nav-toggle-icon span {
  opacity: 0;
}

/* Small helpers for very small screens */
@media (max-width: 480px) {
  .bo-header__brand-name {
    font-size: var(--font-size-lg);
  }

  .bo-header__brand-tagline {
    display: none;
  }
}