* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body, html {
  height: 100%;
  overflow: hidden;
  background: #0f0c2b;
}

.background {
  position: fixed;
  width: 100%;
  height: 100%;
  background: linear-gradient(-45deg, #0f0f0f, #1a1a1a, #2b2b2b, #1f1f1f);
  background-size: 400% 400%;
  animation: moveBackground 20s ease infinite, fadeIn 3s ease forwards;
  z-index: -1;
  opacity: 0;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

header {
  background: rgba(0, 0, 0, 0.8);
  padding: 20px;
}

nav ul {
  display: flex;
  justify-content: space-around;
  align-items: center;
  list-style: none;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  transition: 0.3s;
}

nav a:hover {
  color: #00f7ff;
}

.user-img img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #00f7ff;
}

.hero {
  color: white;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 30px;
}

.btn {
  background: #00f7ff;
  color: #000;
  padding: 10px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.btn:hover {
  background: #00c4cc;
}

#fundoCanvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  background:transparent;
}