.product-detail {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  padding: 80px 6%;
  background: #f9fafb;
  color: #1a1a1a;
  font-family: 'Inter', sans-serif;
}

/* IMAGE */
.product-image img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease;
}

.product-image img:hover {
  transform: scale(1.03);
}

/* HEADINGS */
.product-info h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: #003049;
}

.product-info h3 {
  margin-top: 45px;
  font-size: 1.6rem;
  border-bottom: 3px solid #00e4ff;
  display: inline-block;
  padding-bottom: 8px;
  color: #0077b6;
}

.spec-group-title {
  margin-top: 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #003049;
}

/* TEXT */
.product-info p {
  line-height: 1.7;
  margin-top: 15px;
  font-size: 1rem;
  color: #333;
}

/* LISTS */
.product-info ul {
  padding-left: 25px;
  margin-top: 15px;
  line-height: 1.6;
}

.product-info ul li {
  margin-bottom: 10px;
  position: relative;
}

.product-info ul li::before {
  content: "✓";
  color: #00e4ff;
  margin-right: 10px;
}

/* TABLES */
.product-info table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
  font-size: 0.95rem;
}

.product-info td {
  border: 1px solid #ddd;
  padding: 12px;
}

.product-info tr:nth-child(even) {
  background-color: #f7f9fb;
}

.product-info tr:hover {
  background-color: #e0f7ff;
  transition: background-color 0.3s ease;
}

/* DOWNLOADS */
.downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 15px;
}

.downloads a {
  background: #0077b6;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
}

.downloads a:hover {
  background: #005f8e;
}

.add-to-cart-wrapper {
  margin: 15px 0; /* spacing above and below */
}

.add-to-cart-btn {
  display: inline-flex; /* keeps icon and text inline */
  align-items: center;
  gap: 8px;
  background-color: #00e4ff;
  color: #003049;
  font-weight: 600;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.add-to-cart-btn:hover {
  background-color: #00c4e0;
  transform: translateY(-2px);
}

.add-to-cart-btn i {
  font-size: 1.1rem;
}


/* RESPONSIVE */
@media (max-width: 1200px) {
  .product-detail {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 60px 5%;
  }

  .product-info h1 {
    font-size: 2.2rem;
  }

  .product-info h3 {
    font-size: 1.4rem;
  }
}