body {
    margin: 0;
    font-family: Arial, sans-serif;
    color: #333;
}

header {
    background: #222;
    color: white;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-weight: 500;
}

.nav-links a.active {
    border-bottom: 2px solid #ffa500;
}

.burger {
    display: none;
    font-size: 2rem;
    cursor: pointer;
}

.hero {
    background: url('../img/header.jpg') center/cover no-repeat;
    padding: 80px 20px;
    color: white;
    text-align: center;
}

.page-content, .intro {
    padding: 40px;
    max-width: 900px;
    margin: auto;
}

.case {
    background: #f7f7f7;
    padding: 20px;
    margin-top: 20px;
    border-left: 4px solid #ffa500;
}

footer {
    background: #222;
    color: #ccc;
    padding: 15px;
    text-align: center;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        background: #333;
        padding: 10px;
    }
    .burger {
        display: block;
    }
}