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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
  padding: 3rem 2rem;
  max-width: 800px;
  width: 90%;
  text-align: center;
}

header {
  margin-bottom: 2.5rem;
}

.logo {
  margin-bottom: 1rem;
  height: 60px;
}

header h1 {
  font-size: 2.2rem;
  color: #1565c0;
  margin-bottom: 0.3rem;
}

header p {
  color: #666;
  font-size: 1.1rem;
}

main {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.card {
  background: #f8f9fa;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 2rem 1.5rem;
  width: 280px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.card h2 {
  font-size: 1.4rem;
  color: #333;
  margin-bottom: 0.8rem;
}

.card p {
  color: #555;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  background-color: #1565c0;
  color: white;
  padding: 0.6rem 1.8rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: #0d47a1;
}

footer {
  color: #aaa;
  font-size: 0.85rem;
}