html, body {
  padding: 0px;
  margin: 0px;
  width: 100%;
  height: 100%;
  position: fixed;
  overflow: hidden;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  -webkit-filter: contrast(120%);
  filter: contrast(120%);
  background-image: radial-gradient(1600px at 70% 120%, rgba(33, 39, 80, 1) 10%, #020409 100%) !important;
}

/* --- TITLE --- */
.title {
  z-index: 9999 !important;
  position: absolute;
  left: 50%;
  top: 15%; /* Đẩy chữ lên trên cao */
  transform: translateX(-50%) translateY(-50%);
  font-family: "Montserrat", sans-serif;
  text-align: center;
  width: 90%;
  pointer-events: none;
}

.title h1 {
  position: relative;
  color: #fff;
  font-weight: 600;
  font-size: 50px;
  padding: 0;
  margin: 10px 0;
  line-height: 1.1;
  text-shadow: 0 0 10px #ff006c, 0 0 20px #ff006c, 0 0 30px #ff006c, 0 0 40px #ff417d;
}

.title h3 {
  font-weight: 300;
  font-size: 20px;
  padding: 0;
  margin: 0;
  line-height: 1;
  color: #ffffff;
  letter-spacing: 2px;
}

/* --- BACKGROUND & CANVAS --- */
canvas {
  position: absolute;
  width: 100%;
  height: 100%;
}

.container2, .content, #universe {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* --- RESPONSIVE MOBILE --- */
@media only screen and (max-width: 768px) {
  .title {
    top: 15%;
  }
  .title h1 {
    font-size: 28px;
  }
  .title h3 {
    font-size: 14px;
  }
}