* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #2d3e50;
    padding: 20px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
}

.logo h1 {
    color: #fff;
}

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

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

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    padding: 10px;
    transition: color 0.3s ease;
    cursor: pointer;
}

.nav-links a:hover {
    color: #ffd700;
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 5px;
    transition: all 0.3s ease;
}

/* Main content sections */
section {
    padding: 100px 50px;
    text-align: center;
}

section h2 {
    margin-bottom: 20px;
    font-size: 30px;
    color: #2d3e50;
}

.content-section p {
    font-size: 16px;
    color: #666;
}

footer {
    background-color: #2d3e50;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 50px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        right: 0;
        width: 100%;
        background-color: #2d3e50;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .burger {
        display: block;
    }

    .nav-active {
        display: flex;
    }

    .toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .toggle .line2 {
        opacity: 0;
    }

    .toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
}