body {
  margin: 0;
  font-family: Arial;
  background: #070b16;
  color: white;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

.background {
  position: fixed;
  width: 100%;
  height: 100%;

  background:
    radial-gradient(circle at top left,#4cc9ff33,transparent 30%),
    radial-gradient(circle at bottom right,#a855f733,transparent 30%);

  z-index: -1;
}

.navbar {
  position: sticky;
  top: 0;

  background: rgba(10,10,20,0.8);

  backdrop-filter: blur(10px);

  display: flex;

  justify-content: space-between;

  align-items: center;

  padding: 15px 40px;

  z-index: 999;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  width: 40px;
  height: 40px;

  object-fit: cover;

  border-radius: 12px;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: white;
  text-decoration: none;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #4cc9ff;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: auto;
  padding: 40px;
}

.hero {
  text-align: center;
  padding: 100px 0;
}

h1 {
  font-size: 70px;

  margin-bottom: 0;

  background:
    linear-gradient(
      90deg,
      #4cc9ff,
      #a855f7,
      #ff4fd8
    );

  -webkit-background-clip: text;

  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: #aaa;
  font-size: 22px;
  margin-bottom: 30px;
}

.card {
  background: rgba(17,24,39,0.8);

  border-radius: 20px;

  padding: 25px;

  margin-bottom: 25px;

  backdrop-filter: blur(10px);

  box-shadow:
    0 0 20px rgba(100,100,255,0.2);
}

button {
  background:
    linear-gradient(
      90deg,
      #4cc9ff,
      #a855f7
    );

  border: none;

  padding: 12px 20px;

  border-radius: 12px;

  color: white;

  cursor: pointer;

  font-size: 16px;

  transition: 0.3s;
}

button:hover {
  opacity: 0.9;
  transform: scale(1.03);
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

input {
  width: 100%;
  padding: 12px;
  margin-bottom: 15px;

  border-radius: 10px;

  border: none;

  background: #111827;

  color: white;
}