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

/* Prevent horizontal scroll */
html, body {
  overflow-x: hidden;
}

/* Root variables */
:root {
  --primary-color: #333;
  --secondary-color: #666;
  --accent-color: #007BFF;
  --background-color: #f9f9f9;
  --font-family: 'Helvetica Neue', Arial, sans-serif;
}

/* Base Styles */
body {
  font-family: var(--font-family);
  background-color: var(--background-color);
  color: var(--primary-color);
  line-height: 1.6;
}

/* Container */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 40px;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 30px;
  padding: 0 10px;
}

header h1 {
  font-size: 2.8em;
  margin-bottom: 10px;
  color: var(--primary-color);
  word-wrap: break-word;
}

header h2 {
  font-size: 1.4em;
  font-weight: normal;
  color: var(--secondary-color);
  margin: 0 auto;
  max-width: 800px;
  word-wrap: break-word;
}

/* Description */
.description {
  margin-bottom: 30px;
  font-size: 1.1em;
  text-align: center;
  padding: 0 20px;
}

/* Responsive Video Container */
.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  margin: 0 auto;
  margin-bottom: 20px;
}

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

/* Archived Message */
.archived {
  text-align: center;
  font-style: italic;
  color: var(--secondary-color);
  margin-bottom: 20px;
  padding: 0 20px;
}

/* Footer */
footer {
  text-align: center;
  font-size: 0.9em;
  color: var(--secondary-color);
  padding: 20px 0;
  border-top: 1px solid #ddd;
  margin-top: 40px;
}

footer a {
  color: var(--accent-color);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
  .container {
    padding: 20px;
  }
  
  header h1 {
    font-size: 2.2em;
  }
  
  header h2 {
    font-size: 1.2em;
    padding: 0 10px;
  }
  
  .description {
    font-size: 1em;
    padding: 0 10px;
  }
  
  .archived {
    padding: 0 10px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 10px;
  }
  
  header h1 {
    font-size: 1.8em;
    padding: 0 5px;
  }
  
  header h2 {
    font-size: 1em;
    padding: 0 5px;
  }
  
  .description {
    font-size: 0.9em;
    padding: 0 5px;
  }
  
  .archived {
    font-size: 0.8em;
    padding: 0 5px;
  }
  
  footer {
    font-size: 0.8em;
    padding: 10px 0;
  }
}