/* Basic Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    line-height: 1.6;
    background-color: #f4f7f9;
    color: #333;
}

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

/* Header & Footer */
.site-header {
    background-color: #fff;
    color: #333;
    text-align: center;
    padding: 40px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.site-header h1 {
    margin: 0;
    font-size: 2.5em;
}

.site-header p {
    font-size: 1.1em;
    color: #666;
}

.site-footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: #fff;
    margin-top: 40px;
}

/* Back Link */
.back-link {
    display: inline-block;
    margin-top: 20px;
    color: #007bff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.back-link:hover {
    color: #0056b3;
}

/* Link Cards on Homepage */
.page-links {
    text-align: center;
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.link-card {
    display: block;
    padding: 40px 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-decoration: none;
    color: #333;
    transition: transform 0.3s, box-shadow 0.3s;
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.link-card h3 {
    margin: 0;
    font-size: 1.5em;
}

/* Video Section */
.video-section, .affiliate-section {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.video-card {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid #eee;
}

.video-card h3 {
    margin-top: 0;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 6px;
}

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

/* Affiliate Links */
.affiliate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.affiliate-card {
    display: block;
    background-color: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: transform 0.3s, box-shadow 0.3s;
}

.affiliate-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.affiliate-card h3 {
    margin-top: 0;
    font-size: 1.2em;
}

.affiliate-card p {
    font-size: 0.9em;
    color: #666;
}