body {
    margin: 0;
}
.header {
    background: #000;
    color: #fff;
    padding: 10px 20px;
    position: relative;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2em;
    font-weight: bold;
}

.nav-menu {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin-left: 20px;
}

.nav-menu li a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1em;
}

.nav-btn {
    margin-left: 20px;
}

.btn {
    background: #ff0000;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 2px 0;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: #000;
        padding: 20px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-btn {
        margin: 10px 0;
    }

    .hamburger {
        display: flex;
    }
}

.footer {
    background: #2e2e2e;
    color: #fff;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer-contact,
.footer-menu {
    flex: 1;
    min-width: 200px;
    margin: 10px;
}

.footer-contact h3,
.footer-menu h3 {
    font-size: 1.2em;
    margin-bottom: 10px;
}

.footer-contact p,
.footer-menu ul {
    margin: 5px 0;
}

.footer-menu ul {
    list-style: none;
    padding: 0;
}

.footer-menu ul li a {
    color: #fff;
    text-decoration: none;
}

.footer-copyright {
    width: 100%;
    text-align: center;
    margin-top: 20px;
}

.footer-copyright p {
    margin: 0;
    font-size: 0.9em;
}