body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  color: #1f2937;
  background: #ffffff;
}

.nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  position: sticky;
  top: 0;
  background: white;
}

.logo {
  font-weight: 700;
}

.nav button {
  margin-left: 10px;
}

section {
  padding: 80px 20px;
  text-align: center;
}

.hero {
  background: linear-gradient(to bottom, #eef4ff, #ffffff);
}

h1 {
  font-size: 40px;
  max-width: 700px;
  margin: auto;
}

.buttons button {
  margin: 10px;
  padding: 14px 24px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 10px;
  border: none;
  background: #2563eb;
  color: white;
}

.outline {
  background: transparent;
  border: 2px solid #2563eb;
  color: #2563eb;
}

.video-box {
  height: 250px;
  background: #e5e7eb;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
}

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

.card {
  background: #f9fafb;
  padding: 25px;
  border-radius: 16px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.columns {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.price {
  background: #2563eb;
  color: white;
}

.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  font-size: 24px;
  padding: 15px;
  border-radius: 50%;
  cursor: pointer;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: 1s;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}