/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f8f9fc;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 2rem 1rem;
}

header {
  background: #0d47a1;
  color: white;
  padding: 3rem 1rem;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.about {
  background: white;
}

.about h2,
.plans h2,
.cta h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #0d47a1;
}

.section-title {
  text-align: center;
  margin-bottom: 2rem;
}

.card-container {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  width: 300px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
}

.card h3 {
  color: #0d47a1;
  margin-bottom: 0.5rem;
}

.card .price {
  font-size: 1.5rem;
  margin: 1rem 0;
  color: #222;
}

.card ul {
  list-style: none;
  margin-bottom: 1.5rem;
}

.card ul li {
  margin-bottom: 0.5rem;
}

.card button {
  background: #0d47a1;
  color: white;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.card button:hover {
  background: #09337a;
}

.popular {
  border: 2px solid #ff9800;
  position: relative;
}

.popular::before {
  content: 'Most Popular';
  position: absolute;
  top: -10px;
  right: -10px;
  background: #ff9800;
  color: white;
  padding: 5px 10px;
  font-size: 0.75rem;
  border-radius: 5px;
}

.cta {
  background: #0d47a1;
  color: white;
  text-align: center;
  padding: 3rem 1rem;
}

.cta button {
  background: white;
  color: #0d47a1;
  padding: 0.7rem 1.5rem;
  font-weight: bold;
  border: none;
  border-radius: 5px;
  margin-top: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta button:hover {
  background: #e0e0e0;
}

footer {
  background: #f0f0f0;
  text-align: center;
  padding: 2rem 1rem;
  font-size: 0.9rem;
  color: #666;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .card-container {
    flex-direction: column;
    align-items: center;
  }

  .card {
    width: 90%;
  }

  header h1 {
    font-size: 2rem;
  }

  .cta h2 {
    font-size: 1.5rem;
  }
}