:root {
    --var-achtergrond: #1e1e1e;
    --var-blauw-donker: #001f33;
    --var-blauw: #0077cc;
    --var-cyaan: #00a8c6;
    --var-tekst: #f0f0f0;
}

/* Algemene stijl */
body {
    background-color: var(--var-achtergrond);
    margin: 0;
    font-family: Arial, sans-serif;
    color: var(--var-tekst);
    font-size: 1rem;
}

header {
    font-size: 2.2rem;
    text-align: center;
    background-color: var(--var-blauw-donker);
    color: white;
    padding: 15px;
}

header h1 {
    margin: 0;
}

nav {
    font-size: 1.2rem;
    text-align: center;
    background-color: var(--var-blauw-donker);
    padding: 8px;
    margin-bottom: 16px;
}

nav a {
    color: var(--var-cyaan);
    text-decoration: none;
    margin: 0 12px;
    padding: 8px 12px;
    display: inline-block;
    transition: all 0.3s ease;
    border-radius: 6px;
}

nav a.active {
    color: white;
    background-color: var(--var-cyaan);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    border-radius: 10px;
}

nav a:hover {
    background-color: var(--var-blauw);
    color: white;
}

main {
    background-color: #2c2c2c;
    padding: 30px 15px;
    font-size: 0.95rem;
    line-height: 1.5;
    max-width: 1100px;
    margin: 0 auto;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    color: var(--var-tekst);
}

main h1 {
    color: #00a8c6;
    font-size: 1.5rem;
    margin-top: 30px;
    text-align: center;
}

main h2 {
    color: #00a8c6;
    font-size: 1.3rem;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--var-blauw-donker);
    padding-bottom: 4px;
}

main p {
    margin-bottom: 16px;
}

main img {
    width: 100%;
    height: auto;
    max-width: 800px;
    display: block;
    margin: 15px auto;
    border: 2px solid #444;
    background-color: white;
    cursor: pointer;
}

a[href^="mailto:"] {
    color: white;
    text-decoration: underline;
}

figure {
    margin: 15px 0;
    text-align: center;
}

figure img {
    width: 100%;
    height: auto;
    max-width: 800px;
    display: block;
    margin: 0 auto;
    cursor: pointer;
}

figcaption {
    font-style: italic;
    margin-top: 8px;
    color: var(--var-tekst);
}

footer {
    text-align: center;
    color: white;
    font-size: 1rem;
    padding: 12px;
    background-color: var(--var-blauw-donker);
}

/* Video */
.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
    border: 2px solid #444;
    background-color: black;
}

/* Galerij */
.foto-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 16px;
    justify-items: center;
}

.foto-grid img {
    width: 100%;
    height: 300px;
    max-width: 100%;
    border: 2px solid #444;
    background-color: white;
    cursor: pointer;
    object-fit: cover;
}

.foto-grid img.large {
    grid-column: 1 / -1;
    height: auto;
    max-width: 900px;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
}

.lightbox.active {
    display: flex;
}

/* Hover-effect op afbeeldingen */
img:hover {
    transform: scale(1.02);
    transition: transform 0.2s ease;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    z-index: 1;
}

/* Ronde hoeken voor media */
img,
video {
    border-radius: 10px;
}

/* Responsiveness */
@media (max-width: 768px) {
    body {
        font-size: 0.95rem;
    }

    header {
        font-size: 1.5rem;
        padding: 10px;
    }

    header h1 {
        font-size: 1.3rem;
        line-height: 1.2;
    }

    nav {
        font-size: 1rem;
        flex-wrap: wrap;
        padding: 10px 5px;
    }

    nav a {
        display: inline-block;
        margin: 5px 8px;
        padding: 8px 10px;
        font-size: 0.95rem;
    }

    main {
        padding: 15px 10px;
        font-size: 0.9rem;
    }

    main h1 {
        font-size: 1.3rem;
    }

    main h2 {
        font-size: 1.1rem;
    }

    .video-container {
        max-width: 100%;
    }

    figure img,
    main img,
    .video-container video,
    .foto-grid img {
        max-width: 100%;
        height: auto;
    }

    .foto-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    footer {
        font-size: 0.9rem;
        padding: 10px;
    }
}