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

html, body {
  height: 100%;
  font-family: Arial, sans-serif;
  /*overflow: hidden;*/
  overflow-y: auto;
}

.video-background {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -2;
  overflow: hidden;
}

.video-background video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(3px);
}

.content-panel {
  position: relative;
  background: rgba(255, 255, 255, 0.60);
  margin: 40px auto;
  max-width: 900px;
  padding: 40px;
  border-radius: 15px;
  z-index: 2;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
  text-align: center;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
}

nav ul li a {
  text-decoration: none;
  color: black;
  font-weight: bold;
  font-size: 18px;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: #0077ff;
}

main h1 {
  font-size: 40px;
  margin-bottom: 20px;
}

main p {
  font-size: 20px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background-color: #0077ff;
  color: white;
  font-weight: bold;
  text-decoration: none;
  border-radius: 8px;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #005dc7;
}