/* Fondo degradado animado */
.acerca {
    padding: 80px 20px;
/*background: linear-gradient(135deg, #6a11cb, #2575fc);*/
    background: linear-gradient(135deg, #63ff19, #96ff99);
    animation: gradientBG 8s ease infinite;
    color: #fff;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Contenedor */
.acerca .contenedor {
    max-width: 1000px;
    margin: auto;
    text-align: center;
}

/* Título */
.titulo {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(255,255,255,0.4);
}

/* Descripción */
.descripcion {
    font-size: 1.3rem;
    max-width: 750px;
    margin: 0 auto 50px;
    line-height: 1.6;
    opacity: 0.9;
}

/* Features */
.features {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.feature {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
    border-radius: 15px;
    padding: 30px;
    width: 280px;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255,255,255,0.2);
}

.feature:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

/* Íconos */
.feature .icono {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #fff;
    text-shadow: 0 0 15px rgba(255,255,255,0.5);
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.feature p {
    opacity: 0.9;
}

/* ------------------------------------------------------------------
   📱 RESPONSIVE DESIGN
------------------------------------------------------------------ */

/* Tablet */
@media (max-width: 900px) {
    .titulo {
        font-size: 2.4rem;
    }

    .descripcion {
        font-size: 1.15rem;
    }

    .features {
        gap: 20px;
    }

    .feature {
        width: 45%;
    }
}

/* Móviles grandes */
@media (max-width: 600px) {
    .titulo {
        font-size: 2.1rem;
    }

    .descripcion {
        font-size: 1.1rem;
    }

    .feature {
        width: 100%;
        padding: 25px;
    }

    .feature .icono {
        font-size: 2.5rem;
    }
}

/* Móviles pequeños */
@media (max-width: 400px) {
    .titulo {
        font-size: 1.8rem;
    }

    .descripcion {
        font-size: .8rem;
    }

    .feature {
        padding: 20px;
    }
}