body {
    font-family: 'Montserrat', sans-serif;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 0px;
}

em {
    font-style: italic
}

.columns {
    margin-bottom: 0;
}

strong {
    font-weight: 500;
}

.button {
    border: 1px solid #000;
    padding: 20px 30px;
    text-transform: uppercase;
    color: #000;
    font-size: 12px;
    font-weight: 500;
    border-radius: 0;
}

.button:hover {
    border: 1px solid #000;
    background: #000;
    color: #fff;
    font-weight: 500;
    font-size: 12px;
    transition-duration: 0.3s;
}

.link {
    text-transform: uppercase;
    border-bottom: 1px solid #979797;
    padding-bottom: 8px;
    font-size: 12px;
    font-weight: 500;
    color: #000;
}

.link:hover {
    color: #979797;
    transition-duration: 0.3s;
}

.page-heading {
    font-size: 22px;
    color: #4A4A4A;
    font-weight: 500;
    margin: 35px 0 9px 0px;
}

#intro {
    padding-top: 80px; 
}

#intro p a {
    color: rgba(0,0,0,0.6);
    text-decoration: underline;
}

#intro p a:hover {
    color: rgba(0,0,0,1);
}

#intro .avatar {
    width: 70px;
    height: 70px;
    border-radius: 60px;
}

#intro h1 {
    font-size: 19px;
    font-weight: 500;
    color: #000;
    margin-top: 23px;
}

#intro h2 {
    font-size: 18px;
    color: #767676;
    font-weight: 400;
    margin-top: 20px;
}

#intro p {
    font-size: 17px;
    color: rgba(0,0,0,0.6);
    margin-top: 10px;
    line-height: 31px;
}

#intro .contact {
    margin-top: 30px;
}

#intro .contact a {
    margin-right: 20px;
}

.main-project {
    min-height: 450px;
    margin-top: 40px;
}

.main-project img.rounded {
    border-radius: 30px;
}

.text-column {
    padding-top: 80px;
    padding-right: 80px;
    position: relative;
}

.text-column h4 {
    font-size: 18px;
    font-weight: 500;
}

.text-column p {
    line-height: 23px;
    font-size: 14px;
    font-weight: 400;
    margin-top: 15px;
    margin-bottom: 20px;
}

.text-column p:last-of-type {
    margin-bottom: 40px;
}

.text-column .platform {
    /* position: absolute; */
    font-size: 11px;
    font-weight: 400;
    color: rgba(0,0,0,0.5);
    top: 40px;
    right: 40px;
}

.image-column {
    display: flex;
    align-items: center;
    justify-content: center;
}

#retired-projects .column {
    position: relative;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#retired-projects .text-column {
    opacity: 0;
    padding: 80px;
    background: rgba(255, 255, 255, 1);
    position: absolute;
    width: 100%;
    height: 100%;
}

#retired-projects .text-column:hover {
    opacity: 1;
    transition-duration: 0.3s;
}

#retired-projects img.rounded {
    border-radius: 20px;
}

.clickable-false {
    opacity: 0.5;
}

.clickable-false:hover {
    background: #fff;
    color: #000;
    cursor: initial;
}

.book {
}

.book .cover {
    max-width: 220px;
    height: 337px;
    border-radius: 8px;
    background-position: center center;
    background-size: cover;
    margin-bottom: 20px;
    box-shadow:  0px 2px 8px rgba(0,0,0,0.20);
}

.book .back-book {
    width: 10px;
    height: 100%;
    background: linear-gradient(to right,rgba(0,0,0,0.20) ,rgba(0,0,0,0.08));
    border-radius: 8px 0 0 8px; 
    box-shadow:  1px 0px 0px rgba(255,255,255,0.30);
}

.book .title {
    font-size: 18px;
    color: #000;
    line-height: 32px;
    font-weight: 400;
}

.book .author {
    font-size: 14px;
    color:rgba(0, 0, 0, 0.5);
    font-weight: 400;
}

.book .author strong {
    color:rgba(0, 0, 0, 0.5);
}

.book .year {
    font-size: 11px;
    color:rgba(0, 0, 0, 0.5);
}

#more-books {
    font-size: 16px;
    color:#000;
    background:rgba(255, 255, 255, 1);
    padding: 13px 26px;
    border-radius: 4px;
    border: 1px solid #F4F4F4;
    margin: 0 auto;
    font-size: 14px;
}

.stars {
    display: inline-block;
    clear: both;
    margin: 10px 0 0 0;
}

.star {
    width: 11px;
    display: block;
    float: left;
    margin: 0 5px 0 0;
    opacity: 0.3;
}

.star.full {
    opacity: 1;
}

.books-header #intro .column {
    margin: 0;
}

#professional-projects p em a {
    color: #4a4a4a;
}

#professional-projects p em a:hover {
    text-decoration: underline;
}

@media (max-width: 1087px) { 
    .books-header #intro {
        padding-left: 40px;
    }
}

@media (max-width: 768px) { 
    body {
        padding: 40px;
    }

    .books-header #intro {
        padding-left: 0;
    }
    
    .text-column {
        padding-top: 0px;
        padding-bottom: 40px;
    }

    .image-column {
        padding: 30px;
        min-height: 300px;
    }
    
    .image-column img {
        width: 130px;
    }

}

@media (max-width: 400px) { 
    .text-column .platform {
        top: initial;
        right: 0;
    }
}