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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #000;
  color: #fff;
  line-height: 1.6;
}

.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  position: fixed;
  width: 100%;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
}

.logo {
  font-weight: 600;
  letter-spacing: 2px;
}

.nav-links a {
  margin-left: 20px;
  color: #aaa;
  text-decoration: none;
}

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

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 600;
}

.hero span {
  color: #888;
}

.hero p {
  margin-top: 20px;
  max-width: 600px;
  color: #aaa;
}

.btn {
  display: inline-block;
  margin-top: 30px;
  padding: 12px 30px;
  background: #fff;
  color: #000;
  text-decoration: none;
  border-radius: 30px;
  font-weight: 500;
}

.section {
  padding: 120px 40px;
  text-align: center;
}

.section.dark {
  background-color: #111;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
}

.card {
  background: #1a1a1a;
  padding: 30px;
  border-radius: 12px;
  max-width: 300px;
}

footer {
  padding: 40px;
  text-align: center;
  color: #666;
  background: #000;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
}