:root {
    --white: #f9f9f9;
    --black: #36383F;
    --grey: #85888C;
    --dark: #00008B;
    --blue: #F0F8FF;
    --red: #DC143C;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    font-family: Verdana, Arial, sans-serif;
}

h1 {
    font-size: 22px;
}

h3 {
    padding-top: 15px;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

input {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    box-sizing: border-box;
}

textarea {
    width: 100%;
    height: 150px;
    padding: 12px;
    box-sizing: border-box;
}

label {
    text-align: right;
    font-size: small;
    margin: 12px;
}

figcaption {
    font-style: italic;
    text-align: center;
}

.main-text {
    padding: 15px;
}

@media (max-width: 1024px) {
    .wrapper {
        display: grid;
        grid-template-areas:
            "main"
            "aside";
        margin-top: 80px;
    }

    .imagebar img {
        display: none;
    }

    .main-text img {
        margin: 5px auto;
        border: 2px double #e7edf7;
        width: 100%;
        height: 100%;
        display: block;
    }

    .main-iframe {
        text-align: center;
        margin: 5px;
    }

        .main-iframe iframe {
            margin: 5px auto;
            border: 2px double #e7edf7;
            display: block;
        }

    .menu a:hover {
        background-color: var(--blue);
    }
}

@media (min-width: 1024px) {
    .wrapper {
        display: grid;
        grid-template-columns: auto 250px;
        grid-template-areas:
            "main aside";
        margin-top: 80px;
    }

    .main-text img {
        float: left;
        margin: 5px 5px 5px 0;
        border: 2px double #e7edf7;
        width: 600px;
        height: 400px;
    }

    .main-iframe {
        float: left;
        margin: 5px 5px 5px 0;
    }

        .main-iframe iframe {
            border: 2px double var(--blue);
            width: 400px;
            height: auto;
        }
}

@media (min-width: 1200px) {
    .formwrapper {
        display: grid;
        grid-template-columns: auto 350px;
        gap: 10px;
    }

    figure {
        margin: 10px;
    }

    .card {
        float: right;
        background-color: var(--blue);
    }

    .gallery {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(6, 8vw);
        gap: 15px;
    }
}

@media (max-width: 1199px) {
    figure {
        margin: 10px 0;
    }

    .gallery {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        grid-template-rows: repeat(4, 1fr);
        gap: 5px;
        margin-bottom: 15px;
    }
}

.main-side {
    background-color: var(--blue);
}

    .main-side h3 {
        text-align: center;
        padding: 5px;
    }

    .main-side p {
        padding: 5px;
    }

.col-wide {
    grid-column: 1 / 3;
}

.gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar {
    margin: 0;
    padding: 0;
    width: auto;
    background-color: transparent;
    overflow: auto;
}

    .sidebar a {
        display: block;
        color: var(--black);
        padding: 15px 5px 15px 5px;
        font-size: 1em;
    }

.card {
    margin: 15px 0;
    padding: 10px;
    border: 1px solid var(--grey);
}

.alert p {
    color: var(--red);
    font-weight: bold;
}

/*begin menu*/
.main-header {
    background-image: url("/images/header_berlin.jpg");
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-color: var(--white);
    box-shadow: 1px 1px 5px 0px var(--grey);
    position: fixed;
    top: 0;
    width: 100%;
}

.nav {
    width: 100%;
    height: 100%;
    position: fixed;
    background-color: var(--white);
    overflow: hidden;
}

.menu a {
    display: block;
    padding: 30px;
    color: var(--red);
}

.nav {
    max-height: 0;
    transition: max-height .5s ease-out;
}

.hamb {
    cursor: pointer;
    float: right;
    padding: 25px;
}


.hamb-line {
    background: var(--red);
    display: block;
    height: 4px;
    position: relative;
    width: 24px;
}

    .hamb-line::before,
    .hamb-line::after {
        background: var(--red);
        content: '';
        display: block;
        height: 100%;
        position: absolute;
        transition: all .2s ease-out;
        width: 100%;
    }

    .hamb-line::before {
        top: 10px;
    }

    .hamb-line::after {
        top: -10px;
    }


.side-menu {
    display: none;
}

    .side-menu:checked ~ nav {
        max-height: 100%;
    }

    .side-menu:checked ~ .hamb .hamb-line {
        background: transparent;
    }

        .side-menu:checked ~ .hamb .hamb-line::before {
            transform: rotate(-45deg);
            top: 0;
        }

        .side-menu:checked ~ .hamb .hamb-line::after {
            transform: rotate(45deg);
            top: 0;
        }


@media (min-width: 1024px) {
    .nav {
        max-height: none;
        top: 0;
        position: relative;
        float: right;
        width: fit-content;
        background-color: transparent;
    }

    .menu li {
        font-size: 18px;
        font-weight: bold;
        float: left;
    }

    .menu a:hover {
        background-color: transparent;
        color: var(--black);
    }

    .hamb {
        display: none;
    }
}

/*end menu*/