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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #ffffff;
    color: #333333;
}

.topbar {
    background-color: #4a4a4a;
    padding: 15px 30px;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.topbar h1 {
    font-size: 18px;
    font-weight: 400;
    color: #ffffff;
    margin: 0;
}

.topbar-logo {
    height: 20px;
    width: auto;
    margin-right: 10px;
    mix-blend-mode: multiply;
    filter: brightness(0) invert(1);
}

.nav-sections {
    display: flex;
    gap: 25px;
}

.nav-sections a {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.2s;
}

.nav-sections a:hover {
    opacity: 0.7;
}

.content {
    margin-top: 70px;
    padding: 40px 50px;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

section {
    margin-bottom: 50px;
}

section h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #333333;
}

section p {
    font-size: 16px;
    line-height: 1.6;
    color: #666666;
}

section ul {
    list-style: none;
    padding-left: 0;
    display: inline-block;
    text-align: left;
}

section ul li {
    font-size: 16px;
    padding: 8px 0;
    color: #666666;
}

section ul li:before {
    content: "✓ ";
    color: #4a4a4a;
    font-weight: bold;
    margin-right: 8px;
}

.download-btn {
    background-color: #4a4a4a;
    color: #ffffff;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    cursor: pointer;
    margin-top: 10px;
}

.download-btn:hover {
    background-color: #5a5a5a;
}

.video-container {
    margin-top: 20px;
    display: inline-block;
    position: relative;
    z-index: 10;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
}

.video-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.launcher-container {
    margin-top: 20px;
}

.launcher-image {
    max-width: 90%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.mainui-container {
    margin-top: 20px;
}

.mainui-image {
    max-width: 90%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.mainui-note {
    font-size: 14px;
    font-style: italic;
    color: #888888;
    margin-top: 15px;
    line-height: 1.5;
}

/* Features Page Styles */
.features-hero {
    padding: 60px 20px 40px;
    margin-bottom: 40px;
}

.features-hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
    color: #333333;
}

.features-hero p {
    font-size: 18px;
    color: #666666;
}

.feature-category {
    margin-bottom: 60px;
}

.feature-category h2 {
    font-size: 32px;
    margin-bottom: 25px;
    color: #333333;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.feature-item {
    background-color: #f9f9f9;
    padding: 25px;
    border-radius: 8px;
    border-left: 4px solid #4a4a4a;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #333333;
}

.feature-item p {
    font-size: 15px;
    color: #666666;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
    padding-left: 0;
    text-align: left;
    max-width: 900px;
    margin: 0 auto;
}

.feature-list li {
    font-size: 16px;
    padding: 12px 0;
    color: #666666;
    line-height: 1.7;
    border-bottom: 1px solid #eeeeee;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li strong {
    color: #333333;
}

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

.code-block {
    background-color: #2d2d2d;
    padding: 20px;
    border-radius: 8px;
}

.code-block h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: #ffffff;
}

.code-block code {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: #a8e6cf;
    line-height: 1.8;
    display: block;
}

.why-choose {
    background-color: #f5f5f5;
    padding: 50px 30px;
    border-radius: 12px;
    margin-bottom: 50px;
}

.why-choose h2 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #333333;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    max-width: 1000px;
    margin: 0 auto;
}

.benefit {
    background-color: #ffffff;
    padding: 15px 20px;
    border-radius: 6px;
    font-size: 15px;
    color: #333333;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.cta-section {
    padding: 60px 20px;
    margin-bottom: 40px;
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: #333333;
}

.cta-section p {
    font-size: 18px;
    color: #666666;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background-color: #4a4a4a;
    color: #ffffff;
    padding: 15px 40px;
    font-size: 18px;
    text-decoration: none;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #5a5a5a;
}

/* Blog Section */
.blog-hero {
    background-color: #f9f9f9;
    padding: 100px 20px;
    margin-bottom: 50px;
    border-bottom: 1px solid #eeeeee;
}

.blog-hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #333;
}

.blog-hero p {
    font-size: 18px;
    color: #666;
}

.blog-list {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    padding: 0 20px;
}

.blog-post {
    margin-bottom: 80px;
}

.blog-date {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
}

.blog-title {
    font-size: 28px;
    margin-bottom: 20px;
    color: #333;
}

.blog-content p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #444;
}

.blog-post img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}