.sub-promotion {
    position: relative;
    width: 100%;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    background-color: #111;
    background-position: center !important;
    background-size: cover !important;
}

.scrollDown {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translate(-50%, 0);
    width: 20px;
    animation: upDown 1.5s ease-in-out infinite;
    z-index: 30;
}

.sub-promotion-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.sub-p-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-top: 2rem;
}

.sub-p-text h5 {
    color: #fff;
    font-size: 55px;
}

.sub-p-text p {
    color: #fff;
    font-size: 20px;
    line-height: 1.6;
    margin-top: 1.5rem;
}

.sub-f-text {
    width: 70%;
}

.sub-f-text p {
    color: #fff;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 2rem;
}

.sub-f-text h5 {
    height: 185px;
    color: #fff;
    font-size: 65px;
    line-height: 1.4;
}

.sub-f-text h5 span {
    padding: 0 8px;
    background-color: var(--main-color);
}

.sub-navigation {
    position: absolute;
    bottom: -30px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 20;
}

.sub-nav-wrapper {
    width: fit-content;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    box-shadow: 0 6px 24px rgba(0, 0, 0, .1);
}

.sub-navBtn {
    position: relative;
    color: #aaa;
    padding: 24px 48px;
    font-size: 17px;
}

.sub-navBtn:hover {
    color: var(--main-color);
}

.sub-navBtn.show {
    color: var(--main-color);
    font-weight: 600;
}

.sub-navBtn.show::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translate(-50%, 0);
    width: 10%;
    height: 3px;
    background-color: var(--main-color);
}


/*==================================================*/
@media (max-width: 1450px) {
    .sub-promotion-wrapper {
        padding: 0 20px;
    }
    
    .sub-f-text {
        width: 100%;
    }
}


@media (max-width: 850px) {
    .sub-promotion {
        background-attachment: unset !important;
    }
    
    .sub-f-text {
        text-align: center;
    }
    
    .sub-f-text p {
        font-size: 24px;
    }
    
    .sub-f-text h5 {
        height: auto;
        font-size: 55px;
    }
}


@media (max-width: 768px) {
    .sub-promotion {
        height: 450px;
    }

    .sub-p-text h5 {
        font-size: 45px;
    }

    .sub-navigation {
        bottom: -53px;
        width: 100%;
    }

    .sub-nav-wrapper {
        width: 100%;
    }

    .sub-navBtn {
        padding: 20px;
        font-size: 15px;
    }

    .sub-f-text h5 {
        font-size: 45px;
    }
}


@media (max-width: 550px) {
    .sub-promotion {
        height: 320px;
    }

    .sub-p-text h5 {
        font-size: 36px;
    }

    .sub-p-text p {
        font-size: 16px;
        margin-top: 1rem;
    }

    .sub-navBtn {
        padding: 18px 10px;
        font-size: 13px;
    }

    .sub-f-text p {
        font-size: 18px;
    }
    
    .sub-f-text h5 {
        font-size: 40px;
    }
}


@media (max-width: 450px) {
    .sub-f-text p {
        font-size: 16px;
    }
    
    .sub-f-text h5 {
        font-size: 32px;
        white-space: nowrap;
    }
}