/* 1. Setup */
:root {
    --spotlight-size: 300px;
}

body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    font-family: 'Courier New', Courier, monospace;
    background-color: #e4e2dd; /* background */
    color: #222222;
    cursor: crosshair;
}

        /* 2. De Content (Bovenste laag) */
.content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 4rem 1rem;
    box-sizing: border-box;
    pointer-events: none; /* Muis gaat erdoorheen */
}

h1 {
    font-size: clamp(3rem, 10vw, 10rem);
    margin: 0;
    letter-spacing: -0.25rem;
    mix-blend-mode: exclusion;
    text-align: center;
}

p {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    opacity: 0.8;
    letter-spacing: 2px;
    text-align: center;
    max-width: 80ch;
}

        /* 3. De 'Verborgen' Laag (Het lichteffect) */
.spotlight-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;

    /* De 'Tech' achtergrond die je onthult */
    background-image:
        linear-gradient(#222222 1px, transparent 1px),
        linear-gradient(90deg, #222222 1px, transparent 1px);
    background-size: 50px 50px;

    /* DE TRUC: Masking met CSS variabelen */
    mask-image: radial-gradient(
        circle var(--spotlight-size) at var(--x, 50%) var(--y, 50%),
        black 0%,
        transparent 100%
    );
    -webkit-mask-image: radial-gradient(
        circle var(--spotlight-size) at var(--x, 50%) var(--y, 50%),
        black 0%,
        transparent 100%
    );
}

        /* Glass effect parent for navbar */
        .navbar-glass {
            position: sticky;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 10;
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 0 0 16px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            padding: 12px 0;
            display: flex;
            justify-content: center;
            align-items: center;
        }

/* Center nav content inside glass */
nav {
    width: 100%;
    max-width: 1200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    box-shadow: none;
    padding: 0 20px;
    gap: 16px;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 12px;
    align-items: center;
}

nav a {
    margin-left: 0;
    padding: 6px 8px;
    text-decoration: none;
    color: #222222;
    transition: color 0.2s, opacity 0.2s;
}

nav img {
    width: clamp(40px, 6vw, 64px);
    height: auto;
}

/* Hamburger button - hidden on larger screens */
.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}
.nav-toggle .bar {
    display: block;
    width: 22px;
    height: 2px;
    background: #222222;
    margin: 4px 0;
    transition: transform 0.2s, opacity 0.2s;
}

/* Mobile menu (hidden by default) */
nav ul {
    transition: transform 0.28s ease, opacity 0.28s ease;
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    nav ul {
        position: fixed;
        top: 64px;
        right: 0;
        width: 70%;
        max-width: 320px;
        height: calc(100% - 64px);
        background: rgba(255,255,255,0.96);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        transform: translateX(100%);
        opacity: 0;
        box-shadow: -8px 0 32px rgba(0,0,0,0.08);
    }

    nav ul.open {
        transform: translateX(0);
        opacity: 1;
    }

    nav ul li { margin: 0; }

    .navbar-glass { padding: 8px 0; }
}

/* When nav is open, animate hamburger into an X */
.nav-toggle.open .bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open .bar:nth-child(2) { opacity: 0; }
.nav-toggle.open .bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Responsive tweaks */
@media (max-width: 1024px) {
    .spotlight-layer { background-size: 40px 40px; }
    :root { --spotlight-size: 220px; }
}

@media (max-width: 768px) {
    nav { padding: 0 12px; }
    nav ul { gap: 8px; }
    nav a { padding: 4px 6px; font-size: 0.95rem; }
    .content { padding: 3rem 1rem; }
    :root { --spotlight-size: 160px; }
}

@media (max-width: 480px) {
    h1 { font-size: clamp(2.4rem, 12vw, 4.5rem); }
    p { font-size: 0.95rem; }
    .spotlight-layer { background-size: 30px 30px; }
    :root { --spotlight-size: 120px; }
    .navbar-glass { padding: 8px 0; border-radius: 0; }
}