/* Cloudflare HVAC Protection Guide Styles */

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #e3f2fd; /* Light blue background for protection theme */
  color: #0d47a1; /* Dark blue text */
}

.main-nav {
  background-color: #1976d2; /* Blue header */
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-menu {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  margin-left: 2rem;
}

.nav-menu a {
  color: #ffffff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.nav-menu a:hover {
  background-color: #1565c0;
}

main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1rem;
}

article {
  background-color: #ffffff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1, h2, h3 {
  color: #1565c0; /* Blue headers */
  margin-top: 2rem;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  border-bottom: 3px solid #1976d2;
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 2rem;
  border-bottom: 2px solid #42a5f5;
  padding-bottom: 0.3rem;
}

h3 {
  font-size: 1.5rem;
  color: #1976d2;
}

.intro {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  font-style: italic;
  color: #1565c0;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
}

.caption {
  font-size: 0.9rem;
  color: #666;
  font-style: italic;
  margin-bottom: 1rem;
}

ul, ol {
  margin: 1rem 0;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.5rem;
}

.related-content, .professional-resources, .cta, .gbp-embed {
  margin-top: 2rem;
  padding: 1rem;
  background-color: #f3f9ff; /* Very light blue */
  border-radius: 8px;
  border-left: 4px solid #1976d2;
}

.related-content h3, .professional-resources h3, .cta h3 {
  color: #1976d2;
  margin-top: 0;
}

.cta {
  text-align: center;
  background-color: #e8f4fd;
}

.cta a {
  color: #1565c0;
  font-weight: bold;
}

footer {
  background-color: #1976d2;
  color: #ffffff;
  padding: 2rem 0;
  margin-top: 2rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 0 1rem;
}

.footer-section h4 {
  color: #ffffff;
  border-bottom: 2px solid #42a5f5;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section a {
  color: #e3f2fd;
  text-decoration: none;
}

.footer-section a:hover {
  color: #ffffff;
}

.footer-bottom {
  text-align: center;
  padding: 1rem;
  background-color: #1565c0;
}

.footer-bottom a {
  color: #e3f2fd;
  margin: 0 1rem;
}

/* Responsive design */
@media (max-width: 768px) {
  .main-nav {
    flex-direction: column;
    text-align: center;
  }

  .nav-menu {
    margin-top: 1rem;
  }

  .nav-menu li {
    margin-left: 0;
    margin: 0 0.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}