body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f9fafb;
  color: #222;
  line-height: 1.6;
}

.hero {
  text-align: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, #0077b6, #00b4d8);
  color: white;
}

h2 {
	margin-block-start: 0.1em;
    margin-block-end: 0.1em
}

.hero h1 {
  margin: 0;
  font-size: 2rem;
}

main {
  display: flex;
  flex-wrap: wrap;
  padding: 1rem;
  gap: 1rem;
}

.calculator-grid {
  display: grid;
  flex: 1;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 1.2rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  text-decoration: none;
  color: #222;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.card h2 {
  margin-top: 0;
  color: #0077b6;
}

.ad {
  background: #eee;
  text-align: center;
  padding: 1rem;
  border-radius: 8px;
  min-height: 500px;
  min-width: 300px;
}

.ad-top {
  margin: 0.5rem;
}

.ad-side {
  flex: 0.3;
  min-width: 200px;
}

.ad-footer {
  margin-top: 1rem;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #f1f1f1;
  margin-top: 2rem;
}

@media (max-width: 768px) {
  main {
    flex-direction: column;
  }
  .ad-side {
    order: -1;
    margin-bottom: 1rem;
  }
}

.faq-preview h2, h3, div p {
	margin-top: 0;
	margin-bottom: 0;
}

.faq-preview {
	padding: 1rem;
}

.sub-header {
	color: #0077b6;
}