* {
    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-color: #e9ecef;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

header {
    background: #333;
    color: #fff;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #0779e4 3px solid;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header a {
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

header li {
    float: left;
    display: inline;
    padding: 0 20px 0 20px;
}

header #branding {
    float: left;
}

header #branding h1 {
    margin: 0;
}

header nav {
    float: right;
    margin-top: 10px;
}

header .highlight, header .current a {
    color: #0779e4;
    font-weight: bold;
}

header a:hover {
    color: #ffffff;
    font-weight: bold;
}

.hero {
    min-height: 400px;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://via.placeholder.com/1200x400') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 100px 0;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero h2 {
    font-size: 3em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    background: #0779e4;
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #055ca8;
}

.btn-secondary {
    background: #6c757d;
}

.btn-secondary:hover {
    background: #5a6268;
}

.featured-software {
    padding: 50px 0;
    background: #fff;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.featured-software h3 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.software-card {
    background: #f4f4f4;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.software-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.software-card h4 {
    color: #0779e4;
    margin-bottom: 10px;
}

.software-list {
    padding: 50px 0;
    background: #fff;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.software-list h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.software-item {
    background: #f4f4f4;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.software-item-info h3 {
    color: #0779e4;
    margin-bottom: 10px;
}

.software-item-links {
    display: flex;
    gap: 10px;
}

.software-detail {
    padding: 50px 0;
    background: #fff;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.software-detail h2 {
    color: #0779e4;
    margin-bottom: 20px;
}

.software-detail .version {
    color: #666;
    font-size: 1.1em;
    margin-bottom: 20px;
}

.software-detail .description {
    margin-bottom: 30px;
    line-height: 1.8;
}

.software-detail .features {
    margin-bottom: 30px;
}

.software-detail .features h3 {
    margin-bottom: 15px;
    color: #333;
}

.software-detail .features ul {
    list-style: disc;
    margin-left: 20px;
}

.software-detail .features li {
    margin-bottom: 10px;
}

.download-section {
    background: #f4f4f4;
    padding: 30px;
    border-radius: 8px;
    margin-top: 30px;
}

.download-section h3 {
    margin-bottom: 20px;
    color: #333;
}

.download-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.download-link {
    background: #0779e4;
    color: #fff;
    padding: 15px 25px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.download-link:hover {
    background: #055ca8;
}

.about-section {
    padding: 50px 0;
    background: #fff;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.about-section h2 {
    color: #0779e4;
    margin-bottom: 20px;
}

.about-section p {
    line-height: 1.8;
    margin-bottom: 20px;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin: 50px auto 0;
    width: 100%;
    max-width: 1200px;
    border-radius: 8px 8px 0 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

@media(max-width: 768px) {
    header nav, header #branding {
        float: none;
        text-align: center;
        width: 100%;
    }
    
    header li {
        float: none;
        display: inline;
        padding: 0 10px 0 10px;
    }
    
    .hero h2 {
        font-size: 2em;
    }
    
    .container {
        width: 95%;
    }
    
    .software-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .software-item-links {
        margin-top: 15px;
    }
}