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

body, html {
  height: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0f0f1a;
  overflow: hidden;
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 0;
  background: linear-gradient(160deg, #0f0f1a 0%, #1f1f3a 100%);
}

.content {
  position: relative;
  z-index: 1;
  color: #ffffff;
  text-align: center;
  top: 35%;
  transform: translateY(-50%);
  padding: 0 20px;
}

h1 {
  font-size: 3.5rem;
  background: linear-gradient(to right, #00ffe7, #3f00ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

p {
  font-size: 1.5rem;
  margin: 20px 0;
  color: #ccc;
}

.btn {
  text-decoration: none;
  padding: 12px 28px;
  background-color: #00ffe7;
  color: #0f0f1a;
  border-radius: 5px;
  font-weight: bold;
  transition: 0.3s ease;
}

.btn:hover {
  background-color: #3f00ff;
  color: #fff;
}