/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: relative;
  z-index: 100;
}

.header-content {
  align-items: center;
  display: flex;
  gap: 30px;
  justify-content: space-between;
}

.site-logo {
  align-items: center;
  display: inline-flex;
  flex-shrink: 0;
  gap: 12px;
  text-decoration: none;
}

.site-logo img {
  display: block;
  height: 60px;
  object-fit: contain;
  width: 60px;
}

.site-brand-name {
  color: var(--color-text);
  font-size: 1.5rem;
  font-weight: 800;
  white-space: nowrap;
}

/* ==========================================================================
   Mobile Menu Button
   ========================================================================== */

.menu-toggle {
  align-items: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-small);
  color: var(--color-text);
  cursor: pointer;
  display: none;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 10px;
}

.menu-toggle-bar {
  background: currentColor;
  border-radius: 2px;
  display: block;
  height: 2px;
  transition: transform var(--transition-fast);
  width: 22px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:first-child {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 800px) {
  .header-content {
    flex-wrap: wrap;
    gap: 0;
  }

  .site-logo img {
    height: 48px;
    width: 48px;
  }

  .site-brand-name {
    font-size: 1.2rem;
  }

  .menu-toggle {
    display: flex;
    margin-left: auto;
  }
}

@media (max-width: 360px) {
  .site-brand-name {
    font-size: 1rem;
  }
}