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

body {
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header Styles */
.header {
    background-color: #2c3e50;
    color: white;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header h1 {
    font-size: 1.8rem;
}

/* Main Content Layout */
.main-content {
    display: flex;
    flex: 1;
    padding: 1rem;
    gap: 1rem;
}

/* Ad Sections */
.left-ad, .right-ad {
    flex: 0 0 250px;
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.ad-container {
    position: sticky;
    top: 1rem;
    text-align: center;
}

.ad-container p {
    color: #666;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* About Content Section */
.about-content {
    flex: 1;
    background-color: white;
    padding: 2rem;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.about-content h2 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #eaeaea;
}

.about-content h3 {
    color: #3498db;
    margin: 1.5rem 0 1rem;
}

.about-content p {
    margin-bottom: 1rem;
}

.about-content ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.about-content li {
    margin-bottom: 0.5rem;
}

/* Footer Styles */
.footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: auto;
}

.footer p {
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }
    
    .left-ad, .right-ad {
        flex: 1;
        margin-bottom: 1rem;
    }
    
    .ad-container {
        position: static;
    }
}