body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #2e2e2e;
  color: #fff;
}

/* HEADER */
.header {
  background: #8b2c1c;
  padding: 15px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: bold;
}

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
}

/* HERO SECTION */
.hero {
  background: url("images/banner.jpg") center / cover no-repeat;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* TEXT OVER BANNER */
.hero-text {
  background: rgba(0,0,0,0.6);
  padding: 25px 35px;
  border-radius: 10px;
  text-align: center;
  position: relative;
  z-index: 10;   /* 🔥 MOST IMPORTANT */
}

/* BUTTON */
.btn {
  display: inline-block;
  background: #4CAF50;
  color: #fff;
  padding: 12px 22px;
  margin-top: 12px;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  position: relative;
  z-index: 20;   /* 🔥 button clickable */
  cursor: pointer;
}

/* PRODUCT SECTION */
.product-single {
  padding: 50px 20px;
  display: flex;
  justify-content: center;
}

.product-box {
  background: #3a3a3a;
  max-width: 800px;
  padding: 30px;
  border-radius: 15px;
  text-align: center;
}

.product-img {
  width: 260px;       /* 🔥 image size control */
  max-width: 100%;
  height: auto;
  margin-bottom: 20px;
}

/* FOOTER */
.footer {
  background: #1e1e1e;
  text-align: center;
  padding: 15px;
  margin-top: 30px;
}

/* PRINT FIX */
@media print {
  .product-img {
    width: 180px;
  }
  .hero {
    height: auto;
    background: none;
  }
}

.hero {
  position: relative;
}

.hero-text {
  position: relative;
  z-index: 10;   /* button ko upar laata hai */
}

.btn {
  position: relative;
  z-index: 20;
  cursor: pointer;
}