body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #0e0e0e;
    color: #f2f2f2;
    text-align: center;
}

.hero {
    padding: 100px 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    background: #ffffff;
    color: #000;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
}

.services, .portfolio, .contact {
    padding: 80px 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 1100px;
    margin: 40px auto;
}

.card {
    background: #161616;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid #333;
}

input, textarea {
    width: 90%;
    padding: 12px;
    margin: 10px 0;
    background: #000;
    border: 1px solid #333;
    color: #fff;
    border-radius: 6px;
}

button {
    padding: 12px 24px;
    background: #ffffff;
    color: #000;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
}

footer {
    padding: 30px;
    background: #161616;
    margin-top: 50px;
}