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

body, html {
  height: 100%;
  font-family: Arial, sans-serif;
  color: white;
  overflow: hidden;
}

/* Background */
.background {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: url('bg.jpg') no-repeat center center/cover;
  filter: blur(8px) brightness(0.4);
  z-index: -1;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0, 0, 0, 0.85);
  padding: 10px 30px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 18px;
  font-weight: bold;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links a, .login-btn {
  text-decoration: none;
  color: white;
  font-size: 14px;
}

.login-btn {
  background: none;
  border: none;
  cursor: pointer;
}

/* Main Content */
.content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.content h1 {
  font-size: 60px;
  font-weight: bold;
}

.content h2 {
  font-size: 28px;
  margin-top: 10px;
}

/* Animated Button */
.play-btn {
  position: relative;
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background: royalblue;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  overflow: hidden;
  z-index: 1;
  transition: box-shadow 0.3s;
}

.play-btn:hover {
  box-shadow: 0 0 10px 4px royalblue;
}

.play-btn::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  width: calc(100% + 6px);
  height: calc(100% + 6px);
  background: linear-gradient(
    90deg,
    #003cff, #007bff, #00c3ff, #007bff, #003cff
  );
  background-size: 400%;
  border-radius: 8px;
  z-index: -1;
  animation: borderMove 4s linear infinite;
}

@keyframes borderMove {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 400% 50%;
  }
}