* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #333;
}

.navbar {
  background: #ffffff;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #e53935;
}

.menu a {
  margin-left: 20px;
  text-decoration: none;
  color: #333;
  font-weight: 600;
}

.hero {
  background: linear-gradient(135deg, #e53935, #ff6b6b);
  color: white;
  padding: 100px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 20px;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.btn-primary {
  background: #25D366;
  color: white;
}

.btn-primary:hover {
  background: #1ebe5d;
}

.products {
  padding: 60px 20px;
  max-width: 1100px;
  margin: auto;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
  font-size: 32px;
  color: #e53935;
}

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

.card {
  background: white;
  padding: 25px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.card h3 {
  margin-bottom: 10px;
  color: #e53935;
}

.footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 25px;
}

.wa-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 28px;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 34px;
  }

  .hero p {
    font-size: 18px;
  }

  .menu {
    display: none;
  }
}