/* Contenedor General Página 4 */
.kbp-page4-wrapper {
    background-color: #f8fafc;
    padding: 40px 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.kbp-page4-container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Grid de 5 columnas para los estilos de puerta */
.kbp-door-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-bottom: 40px;
}

/* Tarjeta del Estilo de Puerta */
.kbp-door-card {
    cursor: pointer;
    display: block;
}

.kbp-door-card input[type="radio"] {
    display: none;
}

.kbp-door-card-content {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 15px 10px;
    text-align: center;
    position: relative;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

/* Contenedor de la Imagen de la Puerta */
.kbp-door-image-holder {
    width: 100%;
    height: 180px;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 15px;
    background-color: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kbp-door-image-holder img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain; /* Ajusta la puerta de forma limpia sin recortarla bruscamente */
}

/* Nombre del Estilo de Puerta */
.kbp-door-name {
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
}

/* Badge del Check Circular en la esquina */
.kbp-door-check-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

/* Estilos cuando la tarjeta está seleccionada (Checked) */
.kbp-door-card input[type="radio"]:checked + .kbp-door-card-content {
    border-color: #0a1931;
    box-shadow: 0 0 0 1px #0a1931;
}

.kbp-door-card input[type="radio"]:checked + .kbp-door-card-content .kbp-door-check-badge {
    background-color: #0a1931;
    border-color: #0a1931;
}

/* Gancho blanco del check */
.kbp-door-card input[type="radio"]:checked + .kbp-door-card-content .kbp-door-check-badge::after {
    content: "";
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

/* Responsive: 3 columnas en tablets, 2 o 1 en móviles */
@media (max-width: 900px) {
    .kbp-door-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
    .kbp-door-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 400px) {
    .kbp-door-grid { grid-template-columns: 1fr; }
}