html,
body {
    background-color: black;
    color: #fff;
    font-size: 1rem;
    font-family: "Kanit", sans-serif;
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

@font-face {
    font-family: "Kanit";
    font-style: normal;
    font-weight: 200;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/kanit/v12/nKKU-Go6G5tXcr5aOhWpVaFrNlJzIu4.woff2) format("woff2");
    unicode-range: U+0100-02AF, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF,
    U+2113, U+2C60-2C7F, U+A720-A7FF;
}

h1 {
    text-align: center;
    font-size: 1.8rem;
    padding: 2rem;
}

h2 {
    text-align: center;
    font-size: 1.4rem;
    padding: 2rem;
}

hr {
    max-width: 100px;
    margin: 2rem auto;
    margin-bottom: 4rem;
    border-width: 1px;
    border-color: #000000;
}

p {
    font-size: 1.2rem;
    line-height: 1.8rem;
    max-width: 60%;
    text-align: center;
    margin: 0 auto;
}

ul {
    list-style: none;
}

li {
    display: inline;
    padding: 0 10px;
}

.center {
    text-align: center;
}

.nav-link {
    color: #fff;
    text-decoration: none;
}

.nav-link a {
    color: #fff;
}

.nav-link a:hover {
    color: #ff567a;
}

a.contact-link {
    color: #fff;
    text-decoration: none;
}

.contact-link::before {
    content: "\1F4E7";
    margin-right: 5px;
    font-size: 28px;
    vertical-align: sub;
}

.img-responsive {
    width: auto;
    height: auto;
}

.oam_wrap {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    width: 100%;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.oam_nav {
    position: fixed;
    width: 100%;
    height: 120px;
    padding: 0.8rem;
    background-color: #000000;
    display: flex;
    align-items: center;
    margin: 1rem 0;
    box-sizing: border-box;
}

.oam_nav-logo img {
    width: 40%;
}

.oam_nav-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 80%;
    margin: 0 auto;
    box-sizing: border-box;
}

.oam_nav-menu {
    text-align: end;
}

.oam_intro {
    width: 100%;
    height: 70vh;
    padding: 8rem 0;
    background-color: #883f7f;
    background: url(../img/bg-modern-city.jpg);
    background-size: cover;
    background-position: center;
}

.oam_intro-content {
    width: 80%;
    margin: 0 auto;
}

.oam_intro-img {
}

.oam_about {
    width: 100%;
    height: auto;
    padding: 8rem 0;
    background: url(../img/bg-modern-lines.jpg);
    background-size: cover;
}

.oam_about-content {
    width: 80%;
    margin: 0 auto;
    text-align: center;
}

.oam_about-content img {
    margin: 5rem 0;
}

.oam_features {
    width: 100%;
    height: auto;
    padding: 8rem 0;
    background-color: #624261;
}

.oam_features-content {
    width: 80%;
    margin: 0 auto;
}

.oam_features-content-cols {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    max-width: 80%;
    margin: 0 auto;
}

.content-cols {
    text-align: center;
    padding: 0;
    margin: 0;
}

.content-cols p {
    max-width: 80%;
    font-size: 1rem;
    line-height: 1.8rem;
}

.content-cols img {
    margin: 2rem 0;
}

.oam_mission {
    width: 100%;
    height: auto;
    padding: 8rem 0;
}

.oam_mission-content {
    width: 80%;
    margin: 0 auto;
}

.oam_mission-content-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 80%;
    margin: 0 auto;
}

.oam_exclusive {
    width: 100%;
    height: auto;
    padding: 8rem 0;
    background-color: #624261;
}

.oam_exclusive-content {
    width: 80%;
    margin: 0 auto;
}

.oam_exclusive-content img {
    text-align: center;
    margin: 2rem 0;
    margin: 0 auto;
    display: flex;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.oam_contact {
    width: 100%;
    height: auto;
    padding: 8rem 0;
    background: url(../img/bg-location.jpg);
    background-size: cover;
    background-position: bottom center;
}

.oam_contact-content {
    width: 80%;
    margin: 0 auto;
}

.oam_contact-content img {
    margin: 0 auto;
    text-align: center;
    display: flex;
    padding: 2rem 0;
}

.oam_footer {
    width: 100%;
    height: auto;
    padding: 8rem 0;
    background-color: #000000;
}

.oam_footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 80%;
    margin: 0 auto;
    box-sizing: border-box;
}

.oam_footer-logo {
    text-align: end;
}

.oam_footer-logo img {
    width: 40%;
}

@media (max-width: 600px) {
    html,
    .oam_nav {
        height: 150px;
    }

    .oam_nav-content {
        display: grid;
        grid-template-columns: 1fr;
        width: 100%;
        margin: 0 auto;
        box-sizing: border-box;
    }

    .oam_intro {
        height: 50vh;
        padding: 4rem 0;
    }

    .oam_features-content-cols {
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .oam_features-content {
        width: 100%;
        margin: 0 auto;
    }

    .oam_nav-logo img {
        width: 30%;
        height: auto;
        text-align: center;
        margin: 0 auto;
        display: flex;
        margin-bottom: 1rem;
    }

    .oam_nav-menu {
        text-align: center;
    }

    .oam_footer-content {
        grid-template-columns: 1fr;
        width: 100%;
    }

    .oam_mission-content-cols {
        grid-template-columns: 1fr;
        max-width: 1000%;
    }

    .oam_footer-logo {
        text-align: center;
    }

    .oam_footer-menu {
        margin: 0 auto;
        padding: 0 20px;
        display: flex;
        text-align: center;
    }

    .oam_footer-logo img {
        width: 30%;
        height: auto;
        text-align: center;
        margin: 0 auto;
        display: flex;
        margin-top: 2rem;
    }

    ul {
        padding: 0;
    }

    li {
        display: inline-block;
        padding: 4px 4px;
        font-size: 0.8rem;
        line-height: 1rem;
    }

    p {
        max-width: 100%;
        font-size: 1rem;
        line-height: 1.4rem;
    }

    .img-responsive {
        width: 100%;
        height: auto;
    }
}