.product-intro {
  padding: 80px 0 60px;
  background: #ffffff;
  text-align: left;
}

.product-label {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #888;
}

.product-intro h1 {
  font-size: 42px;
  margin: 15px 0 20px;
  font-weight: 600;
}

.product-sub {
  font-size: 18px;
  color: #555;
  max-width: 700px;
}

.product-actions {
  margin-top: 30px;
}







/* reusable container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}

/* section */
.heritage-colours {
  padding: 100px 0;
  background: #f6f7f8; /* subtle, not heavy grey */
}

/* heading */
.section-head {
  max-width: 600px;
  margin-bottom: 60px;
}

.section-head h2 {
  font-size: 34px;
  font-weight: 600;
  margin-bottom: 12px;
  
}

.section-head p {
  color: #666;
  font-size: 16px;
}

/* grid */
.colour-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}

/* cards */
.colour-card {
  transition: all .3s ease;
}

.colour-img {
  background: #fff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0,0,0,.05);
  overflow: hidden;
}

.colour-img img {
  width: 100%;
  transition: transform .4s ease;
}

.colour-card:hover img {
  transform: scale(1.05);
}

.colour-card h3 {
  margin-top: 20px;
  font-size: 18px;
  font-weight: 600;
}

.colour-code {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: #888;
}


/* colour groups */
.colour-group {
  margin-top: 80px;
}

.colour-group-title {
  font-size: 22px;
  margin-bottom: 30px;
  font-weight: 600;
}

/* notes */
.colour-note {
  margin-top: 25px;
  font-size: 14px;
  color: #666;
  max-width: 700px;
}

/* RAL grid slightly tighter */
.colour-grid-ral {
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}


/* responsive */
@media (max-width: 1000px) {

  .colour-grid {
    grid-template-columns: repeat(2,1fr);
  }

  .colour-grid-ral {
    grid-template-columns: repeat(2,1fr);
  }

}

@media (max-width: 600px) {

  .colour-grid,
  .colour-grid-ral {
    grid-template-columns: 1fr;
  }

}