.how-ultra {
    background-color: #051d26;
    padding: 50px 20px;
    position: relative;
    color: #fff;
}

.how-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 100px;
}

.section-badge {
    color: #60e2ff;
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 0.7rem;
    font-weight: 800;
    margin-bottom: 20px;
    display: block;
}

.text-glow {
    color: #fff;
    text-shadow: 0 0 20px #60e2ff;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

/* LA TARJETA PREMIUM */
.step-card {
    background: linear-gradient(145deg, #56c2ce 0%, #13514e 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 32px;
    padding: 60px 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    cursor: default;
}

.step-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: rgba(161, 143, 255, 0.3);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
}

.number-bg {
    position: absolute;
    top: -20px;
    right: -1px;
    font-size: 150px;
    font-weight: 900;
    color: rgba(132, 199, 204, 0.3);
    z-index: 0;
    pointer-events: none;
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 30px;
    filter: drop-shadow(0 0 10px #9cdaf632);
}

.step-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #fff;
    z-index: 1;
    position: relative;
}

.step-card p {
    color: #ffffff;
    font-size: 0.8rem;
    line-height: 1.3;
    z-index: 1;
    position: relative;
}

/* Imagenes de las tarjetas Clase base para todos los partners para no repetir código */
.card-partner-1,
.card-partner-2,
.card-partner-3 {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    opacity: 0.85;
    /* Un poco más de presencia que el 0.8 original */
    cursor: pointer;
    overflow: hidden;
}

/* Tamaños específicos respetando tu estructura */
.card-partner-1 {
    height: 300px;
    margin-bottom: 10px;
}

.card-partner-2 {
    height: 120px;
    margin-block: 100px;
}

.card-partner-3 {
    height: 300px;
    margin-bottom: 10px;
}

/* Efecto HOVER: Elevación y Brillo */
.card-partner-1:hover,
.card-partner-2:hover,
.card-partner-3:hover {
    opacity: 1;
    transform: translateY(-8px) scale(1.2) rotateX(5deg);
    border-color: rgba(161, 143, 255, 0.2);
    /* El morado de ControlPago */

    box-shadow:
        20px 30px 50px rgba(0, 0, 0, 0.7),
        0 0 20px rgba(161, 143, 255, 0.1);
}

/* Efecto de brillo de cristal que pasa por encima */
.card-partner-1::after,
.card-partner-2::after,
.card-partner-3::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.05),
            transparent);
    transition: 0.6s;
}

.card-partner-1:hover::after,
.card-partner-2:hover::after,
.card-partner-3:hover::after {
    left: 100%;
}

/* Optimización para el logo interno */
.card-partner-1 img,
.card-partner-2 img,
.card-partner-3 img {
    max-width: 80%;
    max-height: 70%;
    object-fit: contain;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.5)) grayscale(0.5);
    transition: all 0.5s ease;
}

.card-partner-1:hover img,
.card-partner-2:hover img,
.card-partner-3:hover img {
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.8)) grayscale(0);
    transform: translateZ(20px);
    /* Requiere que el padre tenga perspective */
}


/* EFECTO DE GLOW INTERNO AL HACER HOVER */
.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(161, 143, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.step-card:hover .card-glow {
    opacity: 1;
}

@media (max-width: 992px) {
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}