/* ===== General Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f4f6f8;
  color: #333;
  line-height: 1.6;
}

/* ===== Header ===== */
.header {
  background-image: url("h.png");
  padding: 40px;
  background-size: cover;
  background-repeat: no-repeat;
  display: flex;
  justify-content: space-between;
  align-items: center;
  filter: brightness(70%);
}

.logo img {
  height: 70px;
}

/* ===== Back Button (Fixed at Bottom Left) ===== */
.back-button {
  position: fixed;
  bottom: 20px;
  left: 40px;
  background-color:red;
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s;
  z-index: 1000;
}

.back-button:hover {
  background-color:red;
}

/* ===== Image Row ===== */
.image-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  padding: 20px;
}

.image-row img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* ===== Product Info ===== */
.product-info {
  background: #f9f9f9;
  border-radius: 10px;
  padding: 30px 20px;
  margin: 20px auto;
  max-width: 900px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.product-info h3 {
  font-size: 28px;
  margin-bottom: 15px;
  color: #1a4d2e;
}

.product-info p {
  font-size: 18px;
  color: #444;
}

/* ===== PDF Link ===== */
.pdf-link {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 18px;
  background: #4caf50;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  transition: background 0.3s ease;
}

.product-header h3 {
  font-size: 20px;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  color: black;
}

.pdf-link:hover {
  background: #388e3c;
}

/* ===== Responsive Styles ===== */
@media (max-width: 480px) {
  .logo img {
    height: 50px;
  }

  .image-row {
    padding: 15px;
  }

  .image-row img {
    width: 140px;
    height: 140px;
  }

  .product-info {
    padding: 20px 15px;
  }

  .product-info h3 {
    font-size: 20px;
  }

  .product-info p {
    font-size: 15px;
  }
}

/* Phones */
@media (max-width: 600px) {
  /* phone styles here */
}

/* Tablets */
@media (min-width: 601px) and (max-width: 900px) {
  /* tablet styles here */
}

/* Desktops */
@media (min-width: 901px) {
  /* desktop styles here */
}
