body {
    font-family: 'Roboto', sans-serif;
    background-color: #f8f9fa;
    color: #333;
}
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.hero {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}
.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}
.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}
.cta-button {
    background-color: #fff;
    color: #25D366;
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}
.cta-button:hover {
    background-color: #f1f1f1;
    color: #1ebd57;
}
.section-title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 32px;
    font-weight: 700;
    color: #333;
}
.feature-icon {
    font-size: 50px;
    color: #25D366;
    margin-bottom: 20px;
}
.feature-box {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}
.feature-box:hover {
    transform: translateY(-10px);
}
.testimonial {
    font-style: italic;
    margin-bottom: 30px;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}
.testimonial cite {
    display: block;
    margin-top: 10px;
    font-weight: 500;
    color: #25D366;
}
.about-section {
    padding: 50px 0;
    background-color: #f8f9fa;
}
.about-section p {
    font-size: 18px;
    line-height: 1.6;
}
footer {
    background-color: #fff;
    padding: 30px 0;
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}
footer a {
    color: #333;
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
}
footer a:hover {
    color: #25D366;
}
.social-icons a {
    font-size: 24px;
    margin: 0 10px;
    color: #333;
}
.social-icons a:hover {
    color: #25D366;
}
