* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  text-align: center;
}

header {
  padding: 24px 16px 8px;
}

h1 {
  margin: 0 0 8px;
  font-size: 1.8rem;
}

p {
  margin: 0;
  color: #9ca3af;
}

main {
  padding: 16px;
}

video {
  width: 100%;
  max-width: 960px;
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  background: #020617;
}

footer {
  padding: 16px;
  font-size: 0.8rem;
  color: #6b7280;
}

.video-block {
  margin-bottom: 40px;
}

video {
  width: 100%;
  max-width: 800px;
  display: block;
  margin: 10px 0;
}