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

/* Estilos generales */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    max-width: 600px;
    width: 100%;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* Header */
header {
    background: linear-gradient(135deg, #2d3748, #4a5568);
    color: white;
    padding: 30px;
    text-align: center;
}

header h1 {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

/* Main content */
main {
    padding: 40px 30px;
}

.info-card {
    background: #f8fafc;
    border-radius: 12px;
    padding: 30px;
    border-left: 5px solid #667eea;
    position: relative;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.info-card h2 {
    color: #2d3748;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

.student-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.student-info p {
    font-size: 1.1rem;
    color: #4a5568;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
    transition: color 0.3s ease;
}

.student-info p:last-child {
    border-bottom: none;
}

.student-info p:hover {
    color: #667eea;
}

.student-info strong {
    color: #2d3748;
    font-weight: 600;
    margin-right: 10px;
}

/* Footer */
footer {
    background: #f1f5f9;
    padding: 20px;
    text-align: center;
    border-top: 1px solid #e2e8f0;
}

footer p {
    color: #64748b;
    font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    header h1 {
        font-size: 1.5rem;
    }
    
    main {
        padding: 20px 15px;
    }
    
    .info-card {
        padding: 20px;
    }
    
    .info-card h2 {
        font-size: 1.3rem;
    }
    
    .student-info p {
        font-size: 1rem;
    }
}

/* Animaciones */
.container {
    animation: fadeInUp 0.8s ease-out;
}

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