body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: white;
}

.nav {
  display: flex;
  justify-content: space-between;
  padding: 15px 30px;
  background: rgba(0,0,0,0.6);
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #22d3ee;
}

.nav a {
  margin-left: 15px;
  color: white;
  text-decoration: none;
}

.hero {
  position: relative;
  height: 90vh;
  background: url('hero.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
}

.hero-content {
  position: relative;
  text-align: center;
}

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

.actions button {
  margin: 10px;
  padding: 12px 25px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  background: linear-gradient(45deg, #22d3ee, #6366f1);
  color: white;
}

.secondary {
  background: transparent;
  border: 2px solid #22d3ee;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 40px;
}

.card {
  background: rgba(255,255,255,0.05);
  padding: 20px;
  border-radius: 15px;
  text-align: center;
}

.feed {
  padding: 40px;
}

.feed-item {
  background: rgba(255,255,255,0.05);
  margin-bottom: 15px;
  padding: 15px;
  border-radius: 10px;
}

footer {
  text-align: center;
  padding: 20px;
  color: #94a3b8;
}