/* Shared CBI site-family header/footer contract. */
header {
  background: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
}

.header-container,
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
}

.header-container {
  justify-content: space-between;
}

/* Corporate and product sites all use the same CBI mark dimensions. */
.header-container > a:first-child img,
.footer-logo {
  width: 72px !important;
  height: 72px !important;
  object-fit: contain;
  flex-shrink: 0;
  filter: none !important;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--heading-color);
  font-size: 1.3rem;
  font-weight: 600;
  margin-right: 0 !important;
}

.main-nav > ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem;
  border-radius: var(--radius);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--secondary-bg);
  color: var(--text-color);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--primary);
}

footer {
  margin-top: auto;
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
}

.footer-container {
  flex-wrap: wrap;
  justify-content: space-between;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand p {
  margin: 0;
  line-height: 1.4;
}

.footer-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-color);
  font-size: 0.9rem;
  white-space: nowrap;
}

.footer-nav a:hover,
.footer-nav a.active {
  color: var(--primary);
}

@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .logo {
    font-size: 1.1rem;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
    cursor: pointer;
  }

  .main-nav {
    display: none !important;
    width: 100%;
  }

  .main-nav.active,
  .main-nav.open {
    display: block !important;
  }

  .main-nav > ul {
    flex-direction: column !important;
    align-items: flex-start;
    gap: 0.5rem;
    width: 100%;
    margin-top: 1rem;
  }

  .main-nav li,
  .main-nav a {
    width: 100%;
  }

  .main-nav a {
    display: block;
  }

  .footer-brand {
    width: 100%;
  }
}