* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #121212;
    color: #e0e0e0;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background-color: #1e1e1e;
    border-bottom: 1px solid #2d2d2d;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #00adb5;
}

nav a {
    color: #a0a0a0;
    text-decoration: none;
    margin-left: 20px;
    transition: 0.3s;
}

nav a:hover {
    color: #fff;
}

.btn-nav {
    background-color: #00adb5;
    color: #fff !important;
    padding: 8px 16px;
    border-radius: 5px;
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(180deg, #1e1e1e 0%, #121212 100%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero p {
    font-size: 1.2rem;
    color: #a0a0a0;
    margin-bottom: 40px;
}

code {
    background-color: #2d2d2d;
    padding: 2px 6px;
    border-radius: 4px;
    color: #ff79c6;
}

.btn-download {
    display: inline-block;
    background-color: #00adb5;
    color: #fff;
    padding: 18px 36px;
    font-size: 1.2rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 173, 181, 0.4);
    transition: 0.3s transform;
}

.btn-download:hover {
    transform: translateY(-3px);
    background-color: #00c2cb;
}

.version {
    display: block;
    margin-top: 15px;
    font-size: 0.85rem;
    color: #666;
}

.features {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 60px 8%;
    flex-wrap: wrap;
}

.card {
    background-color: #1e1e1e;
    border: 1px solid #2d2d2d;
    padding: 30px;
    border-radius: 8px;
    width: 300px;
    transition: 0.3s;
}

.card:hover {
    border-color: #00adb5;
}

.card h3 {
    margin-bottom: 15px;
    color: #fff;
}

.card p {
    color: #a0a0a0;
    font-size: 0.95rem;
    line-height: 1.5;
}

footer {
    text-align: center;
    padding: 40px;
    color: #444;
    border-top: 1px solid #1e1e1e;
    font-size: 0.9rem;
}