body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f7f7f7;
}
.calc-header {
  text-align: center;
  padding: 40px 0 20px;
}
.calc-header p {
  color: #555;
}
.calc-cards {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  padding: 40px 10%;
}
.calc-card {
  width: 28%;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease;
}
.calc-card:hover {
  transform: translateY(-6px);
}
.calc-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}
.card-info {
  padding: 16px;
}
.card-info h3 {
  color: #8AAAE5;
  margin-bottom: 8px;
}
.card-info p {
  font-size: 14px;
  color: #444;
}

/* Footer (ortak stil) */
.footer {
  background: linear-gradient(to bottom, #0d1b2a, #1b263b);
  color: #d9d9d9;
  padding: 50px 10% 30px;
  font-family: 'Segoe UI', sans-serif;
  margin-top: 60px;
}
.footer-section h2,
.footer-section h3 {
  color: #8AAAE5;
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
}
.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-section ul li {
  margin: 6px 0;
}
.footer-section a {
  color: #d9d9d9;
  text-decoration: none;
}
.footer-section a:hover {
  color: #ffffff;
  text-decoration: underline;
}
.footer-icon {
  width: 24px;
  margin-right: 10px;
  transition: transform 0.3s;
}
.footer-icon:hover {
  transform: scale(1.2);
}
.footer-bottom {
  text-align: center;
  margin-top: 30px;
  font-size: 14px;
  color: #aaa;
}