:root {
    --color: var(--header-color);

    --background-color: #e3e3e1;
    --header-color: #262626;

    --link-color: #000066;
    --services-background-color: #232929;
    --services-color: #eee;

    --contact-background-color: var(--background-color);
    --contact-color: var(--color);

    --footer-color: var(--header-color);
    --hero-color: #fff;
    --margins: 5%;

    --success-background-color: #119911;
    --success-color: #fff;

    --failure-background-color: #991111;
    --failure-color: #fff;
}

a {
    color: inherit;
}

html {
    font-size: clamp(14px, 0.5vw, 1vmax);
    scroll-behavior: smooth;
}

body {
    background-color: var(--footer-color);
    font-family: var(--body-font), sans-serif;
    color: var(--color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--title-font), sans-serif;
    font-weight: normal;
}

header {
    color: var(--background-color);
    padding: 3rem var(--margins) 1rem;
    position: fixed;
    z-index: 9;
    width: 100%;
    background: linear-gradient(var(--header-color), transparent);
    transition: all 0.1s linear;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;

    #logo {
        width: 20%;
        img {
            filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.4));
        }
    }

    nav {
        width: 50%;
        text-align: right;
        a {
            text-decoration: none;
            font-size: 2rem;
            margin-left: 2rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
            line-height: 2em;
        }
    }

    &.scrolled {
        background-color: var(--header-color);
        padding-top: 1rem;
        box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
        #logo {
            width: 15%;
            filter: none;
        }
    }
}

article {
    background-color: var(--background-color);
}

.breadcrumb {
    padding: 1em var(--margins) 1em;
    color: #666;
    a {
        text-decoration: none;

        &:hover {
            text-decoration: underline;
        }
    }
}

section {
    padding: 4rem var(--margins) 4rem;
    h2 {
        font-size: 5rem;
        font-weight: normal;
        padding-bottom: 1rem;
        line-height: 1em;
    }

    p {
        font-size: 1.2rem;
        flex-grow: 2;
        line-height: 1.5em;
    }
}

.intro {
    p {
        width: 75%;
        margin-top: 2rem;
    }
}

.services {
    background-color: var(--services-background-color);
    color: var(--services-color);

    div {
        width: 75%;
        display: flex;
        flex-flow: row nowrap;
        justify-content: space-between;
        margin: 2rem 0;
        border-top: 1px solid var(--services-color);
        padding: 4rem 0 3rem 0;
        &:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
        }

        h3 {
            flex-grow: 1;
            flex-basis: 60rem;
            font-size: 2rem;
        }
    }
}

footer {
    background-color: var(--footer-color);
    color: var(--background-color);
    padding: 4rem var(--margins);

    a {
        color: var(--background-color);
        text-decoration: none;
        &:hover {
            text-decoration: underline;
        }
    }

    h3 {
        font-size: 2rem;
        margin-bottom: 1em;
    }

    p {
        line-height: 2em;
    }
}

.hero {
    color: var(--hero-color);
    background-repeat: no-repeat;
    background-size: cover;
    padding-top: 15rem;
    padding-bottom: 4rem;

    h1 {
        font-size: 8rem;
        line-height: 0.9em;
        font-weight: normal;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
    }

    h2 {
        font-size: 4rem;
        margin-top: 0.5em;
        font-weight: normal;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
    }

    .caption {
        display: none;
    }
}

.contact {
    background-color: var(--contact-background-color);
    color: var(--contact-color);
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;

    .content {
        width: 45%;

        p.social {
            width: 100%;
            text-align: center;
            margin-top: 2rem;

            img {
                width: 3rem;
                margin: 2rem auto 0;
            }
        }
    }

    form {
        width: 50%;
        .form-row {
            margin-bottom: 2rem;
            &:last-child {
                margin-bottom: 0;
            }
        }

        label {
            display: block;
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        input, textarea {
            display: block;
            width: 100%;
            line-height: 1.2em;
            font-size: 1.2rem;
            border: 0;
            padding-left: 1rem;
        }

        input {
            height: 2.5rem;
        }

        textarea {
            padding-top: 1rem;
            height: 10rem;
            max-width: 100%;
            min-width: 100%;
        }

        input[type=submit] {
            color: #fff;
            background-color: var(--contact-color);
            cursor: pointer;
            &:active, &.sending {
                padding: 0.2rem 0 0 1.1rem;
                opacity: 0.8;
            }
        }

        .success {
            background-color: var(--success-background-color);
            color: var(--success-color);
            font-size: 1.2em;
            text-align: center;
            height: 2.5rem;
            line-height: 2.5rem;
        }

        .failure {
            background-color: var(--failure-background-color);
            color: var(--failure-color);
            font-size: 1.2em;
            text-align: center;
            height: 2.5rem;
            line-height: 2.5rem;
            margin-bottom: 1rem;
        }
    }
}

.contactThanks {
    background-color: var(--success-background-color);
    color: var(--success-color);
    opacity: 0.9;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    font-size: 1.2rem;
    font-weight: bold;
    padding: 1rem 1.2rem;
    text-align: center;
    width: 50%;
    margin: 0 auto;
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.4);
}

.blog {
    margin-left: 10em;
    margin-right: 10em;
    p {
        margin-bottom: 2em;
        &.big {
            margin-top: 2em;
            font-size: 2em;
            padding: 0 4em;
        }

        a {
            text-decoration: none;
            color: var(--link-color);
            &:hover {
                text-decoration: underline;
            }
        }
    }

    hr {
        margin: 5em 10em 5em 10em;
        color: var(--footer-color);
        opacity: 0.3;
    }
}

.blog-author {
    background-color: var(--services-background-color);
    color: var(--services-color);
    div {
        display: flex;
        flex-flow: row nowrap;

        h3 {
            font-size: 2em;
            flex-basis: 15em;
        }

        .about {
            display: flex;
            flex-flow: row nowrap;

            img.headshot {
                border-radius: 50%;
                margin-right: 3em;
                height: 10em;
                width: 10em;
                aspect-ratio: 1;
            }

            p {
                max-width: 50em;
                vertical-align: middle;

                img.social {
                    margin-top: 2em;
                    height: 2em;
                }
            }
        }
    }
}

.filler {
    background-color: var(--services-background-color);
    color: var(--services-color);
    height: 1em;
    padding: 0;
}

.blog-list {
    display: flex;
    flex-flow: column nowrap;

    a {
        text-decoration: none;
    }

    .blog-summary {
        display: flex;
        flex-flow: row nowrap;
        margin-bottom: 5em;

        img {
            width: 20%;
        }

        .blog-summary-content {
            width: 65%;
            display: flex;
            flex-flow: column nowrap;
            margin-left: 5em;
        }

        h3 {
            font-size: 3rem;
        }

        small {
            margin-bottom: 3em;
        }
    }
}

@media screen and (max-width: 500px) {
    header {
        nav {
            a {
                font-size: 1.1rem;
                margin-left: 1rem;
            }
        }
    }

    .hero {
        h1 {
            font-size: 3rem;
        }

        h2 {
            font-size: 2rem;
        }
    }

    section {
        h2 {
            font-size: 2rem;
        }
    }

    .blog {
        p {
            &.big {
                padding: 0;
            }
        }
    }

    .blog-author {
        div {
            flex-flow: column nowrap;

            h3 {
                flex-basis: 3em;
                text-align: center;
            }

            .about {
                flex-flow: column nowrap;
                img.headshot {
                    margin-bottom: 3em;
                    margin-left: auto;
                    margin-right: auto;
                }

                img.social {
                    margin-left: auto;
                    margin-right: auto;
                }
            }
        }
    }

    .blog-list {
       .blog-summary {
            margin-bottom: 5em;
            flex-flow: column nowrap;
            img {
                width: 100%;
            }

            .blog-summary-content {
                width: 100%;
                margin-left: 0;
                small {
                    margin-bottom: 1em;
                }
            }
        }
    }
}

@media screen and (max-width: 1100px) {
    .blog {
        margin-left: inherit;
        margin-right: inherit;
    }

    .blog-author {
        div {
            flex-flow: column nowrap;

            h3 {
                flex-basis: 3em;
                text-align: center;
            }

            .about {
                flex-flow: column nowrap;
                img.headshot {
                    margin-bottom: 3em;
                    margin-left: auto;
                    margin-right: auto;
                }

                img.social {
                    margin-left: auto;
                    margin-right: auto;
                }
            }
        }
    }

    .blog-list {
        .blog-summary {
            flex-flow: column nowrap;
            h3 {
                font-size: 2rem;
                line-height: 1em;
                margin: 1em 0;
            }
            img {
                width: 100%;
            }

            .blog-summary-content {
                width: 100%;
                margin-left: 0;
                small {
                    margin-bottom: 1em;
                }
            }
        }
    }

    header {
        #logo {
            width: 50%;
        }

        &.scrolled {
            #logo {
                width: 40%;
            }
        }
    }

    .hero {
        h1 {
            font-size: 4rem;
        }

        h2 {
            font-size: 2rem;
        }
    }

    .contact {
        flex-flow: column nowrap;

        .content {
            width: 100%;
        }

        form {
            width: 100%;
            margin-top: 3rem;
        }
    }

    .intro {
        p {
            width: 100%;
        }
    }
    .services {
        div {
            width: 100%;
            flex-flow: column nowrap;

            h3 {
                flex-basis: 4rem;
            }
        }
    }
}