/* Simple landing page styles */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
}

.landing-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.landing-header {
    padding: 20px 0;
    border-bottom: 1px solid #e1e4e8;
    margin-bottom: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
}

.logo i {
    font-size: 28px;
}

/* Welcome Section */
.welcome {
    text-align: center;
    margin-bottom: 50px;
}

.welcome h1 {
    font-size: 36px;
    margin-bottom: 10px;
    color: #2c3e50;
}

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

/* Tutorials Section */
.tutorials {
    margin-bottom: 50px;
}

.tutorials h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #2c3e50;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 20px;
}

.video-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.video-card h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 20px;
}

.video-placeholder {
    background: #f0f2f5;
    border-radius: 8px;
    padding: 60px 20px;
    text-align: center;
    color: #666;
}

.video-placeholder i {
    font-size: 48px;
    margin-bottom: 15px;
    color: #007bff;
}

.video-placeholder p {
    margin: 0;
    font-size: 14px;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* MCP Configuration Section */
.mcp-config {
    margin-bottom: 50px;
}

.mcp-config h2 {
    font-size: 28px;
    margin-bottom: 30px;
    color: #2c3e50;
}

.config-section {
    margin-bottom: 30px;
}

.config-section h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #495057;
    display: flex;
    align-items: center;
    gap: 8px;
}

.config-section h3 i {
    font-size: 18px;
}

.config-box {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 0;
    position: relative;
    margin: 20px 0;
}

.config-box pre {
    margin: 0;
    padding: 20px;
    background: transparent;
    border: none;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 14px;
    line-height: 1.4;
    overflow-x: auto;
}

.config-box code {
    background: transparent;
    padding: 0;
    color: #333;
}

.copy-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #007bff;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.3s ease;
}

.copy-btn:hover {
    background: #0056b3;
}

.config-note {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}

.config-note a {
    color: #007bff;
    text-decoration: none;
}

.config-note a:hover {
    text-decoration: underline;
}

/* Data Notice Section */
.data-notice {
    margin-bottom: 50px;
}

.data-notice h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.notice-box {
    background: #e8f4fd;
    border-left: 4px solid #007bff;
    padding: 20px;
    border-radius: 4px;
}

.notice-box p {
    margin: 0 0 15px 0;
    line-height: 1.6;
}

.notice-box p:last-child {
    margin-bottom: 0;
}

/* Get Started Section */
.get-started {
    text-align: center;
    margin: 60px 0 40px 0;
}

.btn-start {
    display: inline-block;
    padding: 15px 40px;
    background: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.btn-start:hover {
    background: #0056b3;
}

/* Responsive */
@media (max-width: 768px) {
    .landing-container {
        padding: 15px;
    }
    
    .welcome h1 {
        font-size: 28px;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
}