:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --text-color: #333;
    --background-color: #f4f6f7;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--secondary-color);
}

.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta-button {
    display: inline-block;
    background-color: white;
    color: var(--primary-color);
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--secondary-color);
    color: white;
}

.responsibilities, .why-join {
    padding: 50px 5%;
    text-align: center;
}

.responsibility-grid, .why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.responsibility-card, .why-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.responsibility-card:hover, .why-card:hover {
    transform: translateY(-10px);
}

.newsletter {
    background-color: var(--secondary-color);
    color: white;
    text-align: center;
    padding: 50px 20px;
}

#newsletter-form {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

#newsletter-form input {
    padding: 10px;
    width: 300px;
    border: none;
    border-radius: 5px 0 0 5px;
}

#newsletter-form button {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
}

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 30px 5%;
    text-align: center;
}

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

.footer-links a, .social-links a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
}

.copyright {
    margin-top: 20px;
    opacity: 0.7;
}

.logo img, .footer-logo img {
    max-width: 100%;
    height: auto;
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 10px 0;
    }

    .footer-content {
        flex-direction: column;
    }
}