body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
    text-align: center;
    min-height: 100vh;
    display: block;
    padding-top: 60px;
}

nav {
    background: #444;
    padding: 15px 0;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%; 
    z-index: 1000;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

nav ul li {
    display: inline-block;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    padding: 10px;
}

nav ul li a:hover, .active {
    background: #ffcc00;
    color: black;
    border-radius: 5px;
}

.background-header {
    background: url('../afbeeldingen/Colora.jpg') no-repeat center center/cover;
    height: 300px;
    color: white;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
    text-align: center;
    padding-top: 120px;
}

.background-header h1 {
    font-size: 36px;
    background: rgba(0, 0, 0, 0.5);
    display: inline-block;
    padding: 15px 25px;
    border-radius: 10px;
}

#intro, #kleurkeuze, #verfberekening {
    margin: 20px auto;
    width: 80%;
    max-width: 900px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

#intro img, #interieur-foto {
    width: 100%;
    max-width: 600px;
    margin-top: 20px;
    border-radius: 10px;
}

#intro p {
    font-size: 18px;
    padding: 10px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    background-color: rgb(232, 242, 255);
}

.kleur-opties {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

.kleur-btn {
    background: #ddd;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: 0.3s;
}

.kleur-btn:hover {
    background: #ffcc00;
    color: black;
}

#kleur-tekst {
    margin-top: 20px;
    font-size: 1.5em;
    color: #333;
    text-align: center;
    padding: 10px;
    border: 1px solid #ccc;
    background-color: #f9f9f9;
    border-radius: 5px;
}

.kleur-btn {
    padding: 10px;
    margin: 5px;
    font-size: 1rem;
    cursor: pointer;
}

.kleur-btn:hover {
    background-color: #ddd;
}

.input-group {
    margin: 10px 0;
}

.input-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
}

#verf-form button {
    background: #444;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 10px;
}

#verf-form button:hover {
    background: #ffcc00;
    color: black;
}

#resultaat-balk {
    background: #eee;
    padding: 10px;
    margin-top: 10px;
    border-radius: 5px;
    font-weight: bold;
}

footer {
    background: #444;
    color: white;
    text-align: center;
    padding: 15px 0;
}

footer p {
    font-size: 16px;
}