.spine {
    background: url(../images/spine-bg.jpg);
    background-attachment: fixed;
}

.spn1 {
    background-color: #f5f5f5;
}

.spn1 .article-wrapper {
    width: 1400px;
}

.spn1-wrapper {
    width: 100%;
    display: flex;
    justify-content: space-between;
    gap: 5rem;
}

.spn1-left {
    position: sticky;
    top: 160px;
    width: 40%;
    height: fit-content;
}

.spn1-left h5 {
    color: #222;
    font-size: 65px;
    line-height: 1.3;
}

.spn1-left h5 span {
    color: var(--main-color);
}

.spn1-left p {
    color: #666;
    font-size: 19px;
    font-weight: 500;
    line-height: 1.7;
    margin-top: 2rem;
}

.spn1-right {
    width: 60%;
    display: flex;
    gap: 2rem;
}

.spn1-image {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.spn1-image em {
    display: flex;
    color: #735252;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.6;
    font-style: normal;
}

.spn1-image:first-child {
    margin-top: 3rem;
}

.spn1-image img {
    width: 100%;
    box-shadow: 0 0 30px rgba(0, 0, 0, .1);
}


/*==================================================*/
@media (max-width: 1450px) {
    .spn1 .article-wrapper {
        width: 100%;
        padding: 0 20px;
    }
}


@media (max-width: 1350px) {
    .spn1-wrapper {
        display: flex;
        flex-direction: column;
        justify-content: unset;
        gap: 5rem;
    }

    .spn1-left {
        position: static;
        width: 100%;
    }

    .spn1-right {
        width: 100%;
    }

    .spn1-image:first-child {
        margin-top: 0;
    }
}


@media (max-width: 850px) {
    .spn1-left h5 {
        font-size: 55px;
    }
}


@media (max-width: 650px) {
    .spn1-wrapper {
        gap: 3rem;
    }
    
    .spn1-left h5 {
        font-size: 45px;
    }

    .spn1-left p {
        font-size: 17px;
        margin-top: 1.5rem;
    }

    .spn1-image em {
        font-size: 12px;
        margin-top: 1rem;
    }
}


@media (max-width: 550px) {
    .spn1-left h5 {
        font-size: 40px;
    }

    .spn1-left p {
        font-size: 15px;
        margin-top: 1rem;
    }
    
    .spn1-right {
        gap: 1rem;
    }

    .spn1-image {
        gap: 10px;
    }
}