* {
    font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

:root {
    --primary: #0078D7;
    --primary-hover: #006dc4;
    --bg-dark: #1e2029;
    --bg-card: #282c37;
    --text-light: #e6e6e6;
    --text-secondary: #a9a9b3;
    --accent: #4677ff;
    --danger: #dc3545;
    --danger-dark: #bd2130;
    --border-color: #3a3f4d;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
}

.container {
    width: 800px;
    max-width: 90%;
    margin: 0 auto;
    padding: 30px 20px;
    text-align: center;
}

.textblock {
    width: 100%;
    margin: 16px auto;
    padding: 15px;
    border-radius: 8px;
}

.danger {
    background-color: var(--danger);
    border: 1px solid var(--danger-dark);
    color: white;
    font-weight: bold;
    margin-top: 25px;
}

.justify {
    text-align: justify;
}

h3 {
    text-align: left;
    margin: 40px 0 15px 0;
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 8px;
    font-weight: 600;
}

.button {
    padding: 12px 20px;
    border-radius: 5px;
    background-color: var(--primary);
    font-size: 16px;
    border: none;
    color: white;
    transition: background-color 0.3s ease;
    text-decoration: none;
    display: block;
    margin: 12px 0;
    font-weight: 600;
    text-align: center;
}

.button:hover {
    background-color: var(--primary-hover);
    color: white;
    cursor: pointer;
}

.footer {
    margin-top: 50px;
    padding-top: 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-secondary);
}

.logo {
    width: 220px;
    height: auto;
    margin: 10px 0 25px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.fluid-width-video-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    margin: 25px 0;
}

.fluid-width-video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.version-badge {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 12px;
    margin-left: 8px;
    vertical-align: middle;
}

.download-section {
    background-color: var(--bg-card);
    border-radius: 8px;
    padding: 25px;
    margin: 25px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    border: 1px solid var(--border-color);
}

.download-group {
    margin-bottom: 30px;
}

.download-group:last-child {
    margin-bottom: 0;
}

.download-group h4 {
    text-align: left;
    margin: 0 0 15px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-light);
}

ul.instructions {
    text-align: left;
    padding-left: 20px;
    margin: 0;
}

ul.instructions li {
    margin-bottom: 12px;
}

ul.instructions li:last-child {
    margin-bottom: 0;
}

.recommended-mods {
    background-color: rgba(70, 119, 255, 0.1);
    border-left: 3px solid var(--accent);
    padding: 20px;
    margin: 30px 0 0;
    text-align: left;
}

.recommended-mods h4 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--accent);
    font-weight: 600;
}

.recommended-mods p {
    margin-top: 0;
}

.recommended-mods ul {
    margin-bottom: 0;
}

.recommended-mods ul li {
    margin-bottom: 8px;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary);
    text-decoration: underline;
}

@media screen and (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }
    
    .button {
        padding: 10px 15px;
    }
    
    .download-section {
        padding: 20px;
    }
}

@media screen and (max-width: 1024px) {
    .ad {
        display: none !important;
    }
}