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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #eef1f5;
  color: #333;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: #2c3e50;
  color: white;
  padding: 40px 20px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header .logo-container {
  margin-bottom: 15px;
}

header .logo {
  width: 200px;
  height: auto;
  max-width: none;
  display: block;
  margin: 0 auto;
}

header h1 {
  font-size: 2.5rem;
  margin-top: 10px;
  color: #ecf0f1;
}

.main_container {
  padding: 40px 20px;
  text-align: center;
  flex: 1;
}

.main_container h2 {
  margin-bottom: 30px;
  font-size: 24px;
  color: #34495e;
}

.container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.card {
  background-color: white;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 20px;
  width: 250px;
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: center;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.card h3 {
  font-size: 20px;
  color: #2c3e50;
  margin-bottom: 15px;
}

.card p {
  font-size: 14px;
  color: #7f8c8d;
  margin-bottom: 20px;
}

.card a {
  text-decoration: none;
  color: white;
  background-color: #3498db;
  padding: 10px 20px;
  display: inline-block;
  border-radius: 5px;
  transition: background 0.3s;
}

.card a:hover {
  background-color: #2980b9;
}

footer {
  background-color: #2c3e50;
  color: white;
  padding: 40px 20px;
  margin-top: 50px;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
  gap: 30px;
}

.footer-left,
.footer-center {
  flex: 1;
  min-width: 200px;
}

footer h4 {
  margin-bottom: 10px;
  font-size: 18px;
}

footer p {
  font-size: 14px;
  color: #bdc3c7;
}