body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: #333;
}
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 60px 10%;
    background: linear-gradient(120deg, #f3f6f9, #dfe9f3);
}
.hero-content {
    max-width: 600px;
}
.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}
.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}
.btn {
    display: inline-block;
    background-color: #0078d7;
    color: #fff;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 18px;
    transition: background-color 0.3s ease;
}
.btn:hover {
    background-color: #005ea2;
}
.hero-image img {
    max-width: 500px;
    width: 100%;
}
.features {
    padding: 60px 10%;
    background-color: #fff;
    text-align: center;
}
.features-list {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}
.feature {
    flex: 1;
    margin: 0 20px;
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
.feature h3 {
    margin-bottom: 15px;
    font-size: 24px;
}
.feature p {
    font-size: 16px;
    line-height: 1.5;
}
.screenshots {
    padding: 60px 10%;
    background-color: #f3f6f9;
    text-align: center;
}
.screenshots-list {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}
.screenshots-list img {
    max-width: 400px;
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}
footer {
    text-align: center;
    padding: 20px;
    background-color: #f3f6f9;
    font-size: 14px;
}
@media (max-width: 800px) {
    .hero {
        flex-direction: column;
        text-align: center;
    }
    .hero-image {
        margin-top: 40px;
    }
    .features-list {
        flex-direction: column;
    }
    .feature {
        margin: 20px 0;
    }
    .screenshots-list {
        flex-direction: column;
    }
}