:root {
    --primary-color: #0078d4;
    --bg-color: #1e1e1e;
    --card-bg: #2b2b2b;
    --text-color: #ffffff;
    --secondary-text: #aaaaaa;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('assets/background.jpg'); /* Optional background image */
    background-color: #121212;
    padding: 60px 0;
    text-align: center;
    border-bottom: 4px solid var(--primary-color);
}

header h1 {
    font-size: 3em;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.subtitle {
    font-size: 1.2em;
    color: var(--secondary-text);
}

main {
    padding: 40px 0;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    text-align: center;
}

.feature-card h2 {
    color: var(--primary-color);
    margin-top: 0;
}

.download-section {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 60px;
}

.download-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.3s;
    margin-top: 20px;
}


.download-btn:hover {
    background-color: #005a9e;
}

.android-section {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 60px;
}

.app-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.store-link {
    display: inline-block;
    transition: transform 0.2s;
}

.store-link:hover {
    transform: scale(1.05);
}

.version {
    margin-top: 10px;
    color: var(--secondary-text);
    font-size: 0.9em;
}

.requirements {
    color: var(--secondary-text);
    font-size: 0.8em;
}

.setup-guide {
    margin-bottom: 60px;
}

.setup-guide ol {
    background-color: var(--card-bg);
    padding: 30px 50px;
    border-radius: 8px;
}

.setup-guide li {
    margin-bottom: 10px;
}

footer {
    text-align: center;
    padding: 20px 0;
    background-color: #121212;
    color: var(--secondary-text);
    font-size: 0.9em;
}