body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: #1f2933;
  background: #f5f7fa;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 40px 20px;
}

.hero {
  background: linear-gradient(135deg, #0f766e, #0d9488);
  color: white;
  text-align: center;
}

.cta-buttons .btn {
  margin: 10px;
}

.btn {
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 6px;
  display: inline-block;
}

.primary {
  background: #111827;
  color: white;
}

.secondary {
  background: white;
  color: #0f766e;
}

.features {
  background: white;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  text-align: center;
}

.products {
  background: #f5f7fa;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.product-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
}

.img-placeholder {
  background: #e5e7eb;
  height: 120px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.how-it-works {
  background: white;
}

.contact {
  background: #111827;
  color: white;
}

.contact input, .contact textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
}

footer {
  background: #0f766e;
  color: white;
  text-align: center;
  padding: 20px;
}