body {
  margin: 0;
  font-family: 'Vazirmatn', sans-serif;
  background: #0f0f0f;
  color: white;
}

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  position: sticky;
  top: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
}

.logo {
  font-weight: 800;
  letter-spacing: 2px;
}

.menu a {
  margin: 0 10px;
  text-decoration: none;
  color: #ccc;
}

.menu a:hover {
  color: white;
}

.btn-small {
  background: white;
  color: black !important;
  padding: 8px 12px;
  border-radius: 8px;
}

/* HERO */
.hero {
  height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.glass {
  background: rgba(255,255,255,0.05);
  padding: 50px;
  border-radius: 20px;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255,255,255,0.1);
  animation: fadeIn 1s ease;
}

.hero h1 {
  font-size: 38px;
  margin-bottom: 15px;
}

/* BUTTON */
.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  background: white;
  color: black;
  border-radius: 10px;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  transform: scale(1.05);
}

/* SECTIONS */
.section {
  padding: 80px 40px;
  text-align: center;
}

.dark {
  background: #151515;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

/* CARD */
.card {
  background: #1e1e1e;
  padding: 25px;
  border-radius: 15px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-8px);
}

.dark-card {
  background: #222;
}

.hover:hover {
  background: white;
  color: black;
}

/* CTA */
.cta {
  padding: 100px 40px;
  text-align: center;
  background: black;
}

/* ANIMATION */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}