/* Google Fonts gebruiken */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');

body {
    margin: 0;
    font-family: 'Montserrat', Arial, sans-serif;
    background: #f5f5f5;
    color: #222;
    min-height: 100vh;
}

header {
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 3px solid #0066cc;
    padding: 18px 42px 10px 42px;
}

.logo {
    width: 180px;
    height: auto;
}

nav ul {
    list-style: none;
    display: flex;
    padding: 0;
    margin: 0;
    gap: 40px;
}

nav ul li a {
    text-decoration: none;
    color: #0066cc;
    font-weight: 600;
    font-size: 1.1em;
    transition: color .2s;
}

nav ul li a:hover {
    color: #3399ff;
}

.hero {
    background: url('network-bg.png'), linear-gradient(90deg, #e6f2ff 60%, #b3e0ff 100%);
    background-size: cover, cover;
    background-repeat: no-repeat;
    padding: 70px 0 50px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.7em;
    color: #0066cc;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.hero p {
    font-size: 1.4em;
    color: #333;
    margin-bottom: 30px;
}

.cta {
    background: linear-gradient(90deg,#0066cc, #3399ff);
    color: #fff;
    padding: 16px 36px;
    border-radius: 8px;
    font-size: 1.3em;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 16px #b3e0ff4d;
    transition: background .25s;
}

.cta:hover {
    background: #004488;
}

.producten {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 55px 0 55px 0;
}

.product-kolom {
    background: #fff;
    border-radius: 13px;
    box-shadow: 0 2px 16px #b3e0ff65;
    padding: 36px 42px 28px 42px;
    text-align: center;
    min-width: 280px;
    max-width: 350px;
}

.product-kolom.koper h2 {
    color: #CD7F32;
}
.product-kolom.glasvezel h2 {
    color: #00AA44;
}
.product-kolom ul {
    margin-top: 18px;
    padding-left: 0;
    list-style: none;
}
.product-kolom li {
    margin: 10px 0;
    font-size: 1.1em;
}

footer {
    background: #0066cc;
    color: #fff;
    text-align: center;
    padding: 28px 0 22px 0;
    font-size: 1.1em;
}

.footer-info span {
    margin: 0 9px;
}

@media (max-width: 900px) {
    .producten {
        flex-direction: column;
        align-items: center;
        gap: 32px;
    }
    header, .product-kolom { padding-left: 18px; padding-right: 18px; }
    .logo { width: 140px; }
}