html, body {
    font-family: 'Raleway', sans-serif;
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
}
.contenedor {
    height: 100%;
    width: 100%;
}
.fila {
    display: flex;
    flex-wrap: wrap;
    min-height: 100%;
    width: 100%;
}
.division {
    flex: 1 1 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.division_imagen {
    background-image: url("../img/fdo.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    align-items: flex-end;
    padding: 0;
}
.texto-sombra {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    height: 150px;
    background-color: rgba(26, 60, 110, 0.65);
}
.texto-division {
    background-image: url("../img/one-system-for-all.png");
    width: 397px;
    height: 128px;
    margin-right: 30px;
}
#acceso {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 340px;
    padding: 40px 30px;
    border-radius: 16px;
    background: #ffffff;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}
#img_titulo {
    width: 100%;
    text-align: center;
    margin-bottom: 15px;
}
#img_titulo img {
    max-height: 242px;
    max-width: 100%;
}
#f_ingreso {
    width: 100%;
    margin-top: 10px;
}
.cuadro_texto {
    border: 0;
    border-bottom: 2px solid #e0e0e0;
    border-radius: 0;
    outline: none;
    width: 100%;
    padding: 10px 5px;
    font-size: 14px;
    color: #333;
    transition: border-color 0.3s ease;
    background: transparent;
}
.cuadro_texto:focus {
    border-bottom-color: #2B7CD3;
}
.cuadro_texto::placeholder {
    color: #aaa;
    font-size: 13px;
}
#btn_ingreso {
    margin-top: 25px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #4A9FE8 0%, #2B7CD3 50%, #1a5fa8 100%);
    width: 100%;
    color: white;
    border: 0;
    box-shadow: 0 4px 15px rgba(43, 124, 211, 0.35);
    height: 46px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1.5px;
    cursor: pointer;
    transition: all 0.3s ease;
}
#btn_ingreso:hover {
    background: linear-gradient(135deg, #2B7CD3 0%, #1E5FA8 50%, #1a5fa8 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(43, 124, 211, 0.45);
}
#btn_ingreso:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(43, 124, 211, 0.3);
}
.wsi {
    font-size: 11px;
    width: 100%;
    text-align: center;
    color: #bbb;
    margin-top: 5px;
}
.alert-danger {
    border-radius: 10px;
    font-size: 13px;
    text-align: center;
}
@media screen and (max-width: 995px) {
    .division_imagen {
        display: none;
    }
    .division {
        flex: 1 1 100%;
    }
}