body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #121212;
    color: #f0f0f0;
}

header {
    background: linear-gradient(90deg, #0f0f0f, #1a237e);
    padding: 20px;
    text-align: center;
    color: #ffffff;
    box-shadow: 0 0 20px #1a237e;
}

h1 {
    margin: 0;
    font-size: 2.5em;
}

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

.tarjeta {
    background-color: #1e1e2f;
    border-radius: 15px;
    padding: 20px;
    width: 300px;
    box-shadow: 0 0 15px rgba(0, 128, 255, 0.3);
    transition: transform 0.2s ease-in-out;
}

.tarjeta:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 128, 255, 0.6);
}

.titulo {
    font-size: 1.4em;
    color: #90caf9;
    margin-bottom: 10px;
}

.texto {
    font-size: 1em;
    color: #cfd8dc;
}

footer {
    text-align: center;
    padding: 20px;
    color: #888;
    font-size: 0.9em;
}

.panel-proyectos {
    background-color: #1a1a2e;
    margin: 40px auto;
    max-width: 800px;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 0 15px rgba(0, 128, 255, 0.2);
    text-align: center;
    transition: transform 0.2s ease-in-out;
}

.panel-proyectos:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 128, 255, 0.6) ;
}

.panel-proyectos h2 {
    color: #90caf9;
    margin-bottom: 20px;
}

.botones {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.boton-proyecto {
    background-color: #0d47a1;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 25px;
    text-decoration: none;
    font-size: 1em;
    transition: background 0.3s, transform 0.2s;
}

.boton-proyecto:hover {
    background-color: #1976d2;
    transform: scale(1.05);
}