/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: #f9f9f9;
    color: #333;
}

/* Header and Navigation */
header {
    background: #4CAF50;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.logo a {
    color: #fff;
    font-size: 1.75rem;
    font-weight: bold;
    text-decoration: none;
}

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

.nav-links ul li {
    margin-left: 1.5rem;
}

.nav-links ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background 0.3s ease, color 0.3s ease;
}

.nav-links ul li a:hover {
    background: #45a049;
    color: #fff;
}

.nav-toggle {
    display: none;
    cursor: pointer;
}

.nav-toggle .fas {
    color: #fff;
    font-size: 1.5rem;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    margin-bottom: 1rem;
    color: #4CAF50;
    font-weight: bold;
}

p {
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.8;
}

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

ul li {
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    background: #eef9f2;
    border-left: 5px solid #4CAF50;
    border-radius: 4px;
}

ul li ul {
    padding-left: 1rem;
}

ul li ul li {
    background: none;
    border: none;
    padding: 0.25rem 0;
}

ul li a {
    color: #4CAF50;
    text-decoration: none;
    transition: color 0.3s ease;
}

ul li a:hover {
    color: #388e3c;
}

/* Footer */
footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links ul {
        flex-direction: column;
        display: none;
        background: transparent ; 
    }

    .nav-links ul.active {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links ul li {
        margin: 0;
        border-top: 1px solid #fff;
        border-bottom: 1px solid #fff;
    }

    .nav-links ul li a {
        display: block;
        padding: 0.75rem 1rem;
        color: #fff;
        text-align: center;
        background: #4CAF50; 
    }

    .nav-links ul li a:hover {
        background: #45a049;
    }
}