* {
  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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  text-align: center;
  margin-bottom: 3rem;
  color: white;
}

.title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  font-weight: 300;
}

.main-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cards-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  width: 100%;
  max-width: 800px;
}

.card {
  background: white;
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea, #764ba2);
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.student-card:hover {
  border-color: #4caf50;
}

.teacher-card:hover {
  border-color: #2196f3;
}

.card-icon {
  margin-bottom: 1.5rem;
  color: #667eea;
}

.student-card .card-icon {
  color: #4caf50;
}

.teacher-card .card-icon {
  color: #2196f3;
}

.card-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #333;
}

.card-description {
  font-size: 1rem;
  color: #666;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.card-button {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.card-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.student-card .card-button {
  background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
}

.teacher-card .card-button {
  background: linear-gradient(135deg, #2196f3 0%, #1976d2 100%);
}

.student-card .card-button:hover {
  box-shadow: 0 10px 20px rgba(76, 175, 80, 0.3);
}

.teacher-card .card-button:hover {
  box-shadow: 0 10px 20px rgba(33, 150, 243, 0.3);
}

.footer {
  text-align: center;
  margin-top: 2rem;
  color: white;
  opacity: 0.8;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .cards-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .title {
    font-size: 2.5rem;
  }

  .card {
    padding: 2rem;
  }

  .container {
    padding: 15px;
  }
}

@media (max-width: 480px) {
  .title {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .card {
    padding: 1.5rem;
  }

  .card-title {
    font-size: 1.5rem;
  }
}

/* Animaciones */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  animation: fadeInUp 0.6s ease forwards;
}

.student-card {
  animation-delay: 0.1s;
}

.teacher-card {
  animation-delay: 0.2s;
}