body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #05050a;
  color: white;
  overflow-x: hidden;
}

canvas {
  position: fixed;
  top: 0;
  left: 0;
  z-index: -1;
}

.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 60px;
}

.logo {
  font-weight: bold;
  font-size: 22px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

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

.hero {
  padding: 130px 60px 80px;
  text-align: center;
}

.hero h1 {
  font-size: 46px;
}

.hero p {
  max-width: 900px;
  margin: 20px auto 0;
  opacity: 0.85;
  font-size: 18px;
}

.topics {
  padding: 80px 60px;
  text-align: center;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-top: 40px;
}

.topic-card {
  background: rgba(255,255,255,0.07);
  padding: 45px;
  border-radius: 16px;
  text-decoration: none;
  color: white;
  transition: 0.35s ease;
  font-size: 18px;
}

.topic-card:hover {
  transform: translateY(-10px) scale(1.03);
  background: rgba(255,255,255,0.14);
}

.vision, .about {
  padding: 90px 60px;
  text-align: center;
}

.vision p, .about p {
  max-width: 900px;
  margin: 20px auto 0;
  font-size: 18px;
  line-height: 1.7;
  opacity: 0.9;
}

.page-hero {
  padding: 120px 60px;
  text-align: center;
}

.products {
  padding: 60px;
  display: flex;
  justify-content: center;
}

.card {
  background: rgba(255,255,255,0.08);
  padding: 35px;
  border-radius: 16px;
  width: 340px;
}