body {
    --text-color: #333;
    --main-color: #000000;
    --bg-color: #F8F8F8;
    --button-roundness: 4px;
    margin: 0;
    line-height: 1.6;
}

#hero {
    width: 100%;
    display: block;
    background-size: cover;
    background-position: center;
    height: 15em;
}

.full-width {
    width: 90%;
    padding: 3em 0;
    max-width: 72em;
    margin: 0 auto;
}

.full-width h1 {
    font-size: 1.6em;
    margin: 0 0 1em 0;
    color: var(--text-color);
}

.full-width h1 span {
    font-size: 1.5em;
    line-height: 1.3em;
}

.full-width h2 {
    font-size: 1.6em;
    margin: 0 0 1em 0;
    text-transform: uppercase;
    color: var(--text-color);
}

.full-width p {
    color: var(--text-color);
    font-size: 1em;
}

#model-intro {
    background-color: white;
}

#model-intro .full-width {
    display: flex;
    flex-direction: column;
    gap: 3em;
    align-items: center;
}

#model-intro .button i {
    margin: 0 0.5em 0 0;
    font-size: 1.5em;
}

#model-image-mobile {
    display: block;
    width: 100%;
    max-width: 20em;
    margin: 0 auto 1.5em auto;
}

#model-image-desktop {
    display: none;
}

#model-review {
    background-color: var(--bg-color);
}

#model-review .full-width {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
}

#model-review h2 {
    display: flex;
    flex-direction: row;
    gap: 0.65em;
    align-items: center;
    justify-content: flex-start;
}

#model-review .fa-solid {
    color: var(--main-color);
    margin: 0;
    font-size: 1.5em;
}

.content-card {
    background-color: white;
    padding: 2em;
    border-top: 1px solid #dcdce2;
}

.content-card p {
    margin: 0;
}

.full-width .button:link,
.full-width .button:active,
.full-width .button:visited {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    text-transform: uppercase;
    font-weight: bold;
    background-color: var(--main-color);
    color: white;
    text-decoration: none;
    border-radius: var(--button-roundness);
    padding: 0.75em 2em;
    border: 2px solid var(--main-color);
    transition: all 0.1s;
    margin: 2em 0 0 0;
}

.full-width .button:hover {
    background-color: white;
    color: var(--main-color);
}

@media screen and (min-width: 400px) {
    #model-review .full-width {
        width: 90%;
        gap: 2em;
        padding: 3em 0;
    }

    .content-card {
        padding: 3em;
        box-shadow: 0 0 15px 0 rgba(0, 0, 0, .07);
        border-top: none;
    }
}

@media screen and (min-width: 580px) {
    #hero {
        height: 20em;
    }

    #model-intro .button {
        max-width: 30em;
    }
}

@media screen and (min-width: 768px) {
    #hero {
        height: 30em;
    }

    #model-intro .full-width {
        flex-direction: row;
        justify-content: space-between;
    }

    #model-image-mobile {
        display: none;
    }

    #model-image-desktop {
        display: block;
        width: 100%;
        max-width: 20em;
    }
}