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

body {
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.contenedor {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    border-radius: 2rem;
    padding: 2rem 2rem 2.5rem;
    width: 100%;
    max-width: 550px;
    text-align: center;
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255,255,255,0.2);
}

h1 {
    color: white;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.2);
    letter-spacing: -0.5px;
}

.lista-botones {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.boton-proyecto {
    display: block;
    background: white;
    color: #1e3c72;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 0.9rem 1rem;
    border-radius: 60px;
    transition: all 0.2s ease;
    border: none;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
}

.boton-proyecto:hover {
    transform: translateY(-3px);
    background: #f0f9ff;
    box-shadow: 0 12px 20px rgba(0,0,0,0.2);
    color: #0f2b4f;
}

/* Responsive */
@media (max-width: 500px) {
    .contenedor {
        padding: 1.5rem;
    }
    h1 {
        font-size: 1.7rem;
    }
    .boton-proyecto {
        font-size: 1rem;
        padding: 0.7rem 0.8rem;
    }
}