.estandares {
    background-color: #ffffff;
    color: #3c3c3c;
    padding: 80px 0;
    text-align: center;
}
.estandares .titulo-seccion {
    color: #333;
}
.estandares .subtitulo-estandares {
    font-size: 1.2rem;
    font-weight: 500;
    color: #455a64;
    margin-bottom: 8px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}
.estandares .texto-estandares {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #607d8b;
    margin-bottom: 50px;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}
.estandares .logos-certificaciones {
    display: flex;
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px 60px;
}
.estandares .logos-certificaciones img {
    max-height: 90px;
    width: auto;
    opacity: 0.5;
    transition: transform 0.3s ease, opacity 0.3s ease;
    animation-name: pulseOpacity;
    animation-duration: 8s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
}
@keyframes pulseOpacity {
    0%, 100% { opacity: 0.5; }
    10% { opacity: 1; }
    20% { opacity: 0.5; }
}
.estandares .logos-certificaciones a:nth-child(1) img,
.estandares .logos-certificaciones img:nth-child(1) { animation-delay: 0s; }

.estandares .logos-certificaciones a:nth-child(3) img,
.estandares .logos-certificaciones img:nth-child(3) { animation-delay: 1s; }

.estandares .logos-certificaciones a:nth-child(5) img,
.estandares .logos-certificaciones img:nth-child(5) { animation-delay: 2s; }

.estandares .logos-certificaciones a:nth-child(2) img,
.estandares .logos-certificaciones img:nth-child(2) { animation-delay: 3s; }

.estandares .logos-certificaciones a:nth-child(4) img,
.estandares .logos-certificaciones img:nth-child(4) { animation-delay: 4s; }

.estandares .logos-certificaciones img:hover {
    opacity: 1 !important;
    transform: scale(1.1);
    animation-play-state: paused;
}
@media (max-width: 768px) {
    .estandares .logos-certificaciones {
        gap: 30px 40px;
    }
    .estandares .logos-certificaciones img {
        max-height: 45px;
    }
}