body {
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    background-color: #f8f9fa;
    color: #4A4A4A;
}

header {
    background-color: #FFFFFF;
    padding: 20px;
    border-bottom: 1px solid #e7e7e7;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #4A90E2;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

nav ul li a {
    text-decoration: none;
    color: #4A4A4A;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #4A90E2;
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background-color: #4A90E2;
    color: #FFFFFF;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 48px;
    margin-bottom: 20px;
}

#how-it-works, #why-choose-us, #testimonials {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    text-align: center;
    font-family: 'Montserrat', sans-serif;
    font-size: 36px;
    margin-bottom: 60px;
}

.process-steps, .features, .testimonial-cards {
    display: flex;
    justify-content: space-around;
    gap: 40px;
}

.step, .feature, .card {
    text-align: center;
    max-width: 300px;
}

.card {
    background-color: #FFFFFF;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #4A4A4A;
    color: #FFFFFF;
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    .process-steps, .features, .testimonial-cards {
        flex-direction: column;
        align-items: center;
    }

    .hero h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }
}