* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: #e3f2fd;
  color: #1565c0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  background-color: #0d47a1;
  padding: 10px 20px;
  color: white;
}

.logo {
  height: 50px;
  margin-right: 15px;
}

.title {
  font-size: 24px;
}

.menu {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 40px 20px;
  gap: 30px;
}

.menu-button {
  background-color: #1976d2;
  color: white;
  border-radius: 12px;
  text-decoration: none;
  transition: background-color 0.3s ease;
  box-shadow: 2px 2px 10px rgba(0,0,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 25px;
  min-width: 250px;
  max-width: 350px;
  height: 80px;
  gap: 20px;
  font-size: 20px;
}

.menu-button:hover {
  background-color: #1565c0;
}

.menu-button .icon {
  height: 40px;
  width: 40px;
  flex-shrink: 0;
}

footer {
  text-align: center;
  padding: 15px;
  background-color: #bbdefb;
  font-size: 14px;
}

/* Responsive mobile */
@media (max-width: 600px) {
  .menu-button {
    flex-direction: column;
    height: auto;
    padding: 20px 15px;
    text-align: center;
  }

  .menu-button .icon {
    height: 50px;
    width: 50px;
  }

  .menu-button span {
    font-size: 18px;
    margin-top: 10px;
  }
}