html, body { height: 100%; margin: 0; }
.hero { position: relative; height: 100vh; overflow: hidden; background: #000; }

video.bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: #fff;
  text-align: center;
  background: linear-gradient(0deg, rgba(0,0,0,.55), rgba(0,0,0,.20));
  font: 16px/1.4 system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

.card { max-width: 980px; }
.headline { font-size: 40px; line-height: 1.1; margin: 0 0 10px; }

.btn {
  display: inline-block;
  margin-top: 14px;
  padding: 10px 16px;
  background: #fff;
  color: #000;
  border-radius: 10px;
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  video.bg { display: none; }
  .hero { background: #111; }
}