* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

.header {
  position: sticky;
  top: 0;
  background: #fff;
  padding: 15px 30px;
  display: flex;
  flex-wrap: wrap;              /* 🔑 allows nav to move down */
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  z-index: 1000;
}

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

.hero {
  position: relative;
}

.hero img {
  width: 100%;
  height: 70vh;
  object-fit: cover;
}

.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 12px 25px;
  background: #000;
  color: #fff;
  text-decoration: none;
  margin-top: 15px;
}

.section {
  padding: 60px 40px;
  text-align: center;
}

.section.light {
  background: #f7f7f7;
}

.brand-grid, .product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 25px;
  margin-top: 40px;
}

.brand-card, .product-card {
  background: white;
  padding: 20px;
  border-radius: 6px;
}

.brand-card img, .product-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.contact-box {
  margin-top: 30px;
}

.whatsapp {
  background: #25D366;
}

footer {
  background: #000;
  color: #fff;
  padding: 20px;
  text-align: center;
}

/* Mobile layout fix */
@media (max-width: 768px) {
  .header {
    justify-content: center;
  }

  .header .logo {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
  }

  .header nav {
    width: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
  }

  .header nav a {
    margin: 0 12px;
  }
}