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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f9f9f9;
}

header {
    background-color: #2C3E50;
    color: #fff;
    text-align: center;
    padding: 60px 20px;
}

header .logo {
    max-width: 100px;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2rem;
    color: #bdc3c7;
}

.container {
    max-width: 1000px;
    margin: auto;
    padding: 0 20px;
}

main {
    padding: 40px 20px;
}

.downloads {
    text-align: center;
    margin-bottom: 60px;
}

.downloads h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.btn {
    text-decoration: none;
    background-color: #2980B9;
    color: #fff;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background-color: #1F6391;
}

.btn-secondary {
    background-color: #27AE60;
}

.btn-secondary:hover {
    background-color: #1F7A4D;
}

.features, .contact {
    max-width: 800px;
    margin: 0 auto 60px auto;
    text-align: center;
}

.features h2, .contact h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.features ul {
    list-style: none;
    text-align: left;
    padding-left: 0;
}

.features li {
    background: url('data:image/svg+xml;utf8,<svg fill="%23298BCA" height="12" viewBox="0 0 16 16" width="12" xmlns="http://www.w3.org/2000/svg"><path d="M6 10l-3-3 1-1 2 2 5-5 1 1z"/></svg>') no-repeat left center;
    background-size: 16px;
    padding-left: 25px;
    margin-bottom: 10px;
}

.contact p a {
    color: #2980B9;
    text-decoration: none;
}

.contact p a:hover {
    text-decoration: underline;
}

footer {
    background-color: #2C3E50;
    color: #fff;
    text-align: center;
    padding: 20px;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }

    .downloads h2, .features h2, .contact h2 {
        font-size: 1.5rem;
    }

    .buttons {
        flex-direction: column;
    }
}