* {
    box-sizing: border-box;
}


html {
    scroll-behavior: smooth;
}


body {
    margin: 0;

    background: #ffffff;

    color: #171717;

    font-family:
        Georgia,
        "Times New Roman",
        serif;

    font-size: 17px;

    line-height: 1.55;
}


/* --------------------------------
   HEADER
-------------------------------- */

.site-header {
    max-width: 1180px;

    margin: 0 auto;

    padding:
        42px
        32px
        0;
}


.header-top {
    display: flex;

    justify-content: space-between;

    align-items: baseline;

    border-bottom: 1px solid #171717;

    padding-bottom: 15px;
}


.site-title {
    color: #111111;

    text-decoration: none;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 25px;

    font-weight: 700;

    letter-spacing: -0.6px;
}


.navigation {
    display: flex;

    gap: 25px;
}


.navigation a {
    color: #333333;

    text-decoration: none;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 12px;

    text-transform: uppercase;

    letter-spacing: 1px;
}


.navigation a:hover {
    text-decoration: underline;
}


.site-description {
    padding-top: 10px;

    color: #666666;

    font-size: 15px;
}


/* --------------------------------
   MAIN
-------------------------------- */

main {
    max-width: 1180px;

    margin: 0 auto;

    padding:
        0
        32px
        90px;
}


/* --------------------------------
   ARCHIVE
-------------------------------- */

.archive-header {
    display: flex;

    justify-content: space-between;

    align-items: baseline;

    margin-top: 45px;

    margin-bottom: 25px;
}


.archive-header h2 {
    margin: 0;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 15px;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 1.5px;
}


.archive-count {
    color: #777777;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 12px;
}


/* --------------------------------
   CONTROLS
-------------------------------- */

.controls {
    display: flex;

    justify-content: space-between;

    align-items: end;

    gap: 40px;

    padding-bottom: 25px;
}


label {
    display: block;

    margin-bottom: 7px;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 10px;

    font-weight: 700;

    letter-spacing: 1.4px;

    color: #555555;
}


input,
select {
    border: none;

    border-bottom: 1px solid #999999;

    border-radius: 0;

    background: #ffffff;

    color: #171717;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 14px;

    padding:
        8px
        2px;

    outline: none;
}


input {
    width: 360px;
}


input:focus,
select:focus {
    border-bottom-color: #111111;
}


.filters {
    display: flex;

    gap: 25px;
}


select {
    min-width: 125px;

    cursor: pointer;
}


/* --------------------------------
   ARTICLE LIST
-------------------------------- */

.archive-rule {
    border-top: 1px solid #171717;
}


.year-heading {
    margin-top: 42px;

    margin-bottom: 8px;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 21px;

    font-weight: 700;

    letter-spacing: -0.3px;
}


.month-heading {
    margin-top: 27px;

    padding-bottom: 5px;

    color: #777777;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 10px;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 1.5px;
}


.article {
    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        180px
        140px
        100px;

    gap: 20px;

    align-items: baseline;

    border-bottom: 1px solid #dddddd;

    padding:
        13px
        0;
}


.article-title {
    font-size: 18px;

    line-height: 1.35;
}


.article-title a {
    color: #111111;

    text-decoration: none;
}


.article-title a:hover {
    text-decoration: underline;
}


.article-author {
    color: #555555;

    font-size: 15px;
}


.article-date {
    color: #777777;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 12px;
}


.pdf-link {
    text-align: right;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 10px;

    font-weight: 700;

    letter-spacing: 1px;
}


.pdf-link a {
    color: #111111;

    text-decoration: none;
}


.pdf-link a:hover {
    text-decoration: underline;
}


.no-results {
    padding:
        35px
        0;

    color: #777777;
}


/* --------------------------------
   ABOUT
-------------------------------- */

.about {
    display: grid;

    grid-template-columns: 180px 1fr;

    gap: 40px;

    max-width: 800px;

    border-top: 1px solid #171717;

    margin-top: 100px;

    padding-top: 25px;
}


.about-heading {
    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 11px;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: 1.4px;
}


.about-text {
    max-width: 600px;
}


.about-text p {
    margin:
        0
        0
        18px;

    color: #444444;
}


/* --------------------------------
   FOOTER
-------------------------------- */

footer {
    max-width: 1180px;

    margin: 0 auto;

    border-top: 1px solid #171717;

    padding:
        25px
        32px
        55px;

    color: #777777;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 10px;

    letter-spacing: 0.7px;
}


footer div + div {
    margin-top: 6px;
}


/* --------------------------------
   MOBILE
-------------------------------- */

@media (max-width: 760px) {

    body {
        font-size: 16px;
    }


    .site-header {
        padding:
            28px
            20px
            0;
    }


    main {
        padding:
            0
            20px
            65px;
    }


    .header-top {
        align-items: flex-start;
    }


    .site-title {
        font-size: 21px;
    }


    .navigation {
        gap: 15px;
    }


    .navigation a {
        font-size: 10px;
    }


    .introduction {
        padding:
            60px
            0
            55px;
    }


    .introduction h1 {
        font-size: 34px;
    }


    .introduction p {
        font-size: 17px;
    }


    .controls {
        display: block;
    }


    input {
        width: 100%;
    }


    .filters {
        margin-top: 22px;

        gap: 20px;
    }


    .article {
        display: block;

        padding:
            17px
            0;
    }


    .article-author,
    .article-date,
    .pdf-link {
        margin-top: 5px;
    }


    .pdf-link {
        text-align: left;

        margin-top: 9px;
    }


    .about {
        display: block;

        margin-top: 75px;
    }


    .about-text {
        margin-top: 20px;
    }


    footer {
        padding:
            22px
            20px
            45px;
    }

}