body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #e0f2fe, #b3e5fc); /* Gradiente azul claro */
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #007bff; /* Azul principal */
    color: white;
    text-align: center;
    padding: 30px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.logo {
    max-width: 250px;
    height: auto;
    transition: transform 0.3s ease-in-out;
}

.logo:hover {
    transform: scale(1.1);
}

main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.welcome {
    background-color: white;
    border-radius: 15px;
    padding: 60px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    text-align: center;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

.welcome:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.2);
}

h1 {
    color: #007bff;
    font-size: 2.5em;
    margin-bottom: 25px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

p {
    font-size: 1.1em;
    line-height: 1.7;
    margin-bottom: 20px;
}

footer {
    background-color: #007bff;
    color: white;
    text-align: center;
    padding: 20px 0;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
}