/* ================= PAGE ================= */

.product-details {
  margin-top: 100px;
}

/* ================= MAIN LAYOUT ================= */

.product-page {
  display: flex;
  align-items: stretch;
  gap: 40px;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

/* ================= LEFT IMAGE ================= */

.left-section {
  width: 45%;
}

.main-image-box {
  width: 100%;
  height: 640px;
}

.main-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 6px;
}

.thumbnail-row {
  display: flex;
  gap: 12px;
  margin-top: 15px;
}

.thumbnail-row img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.thumbnail-row img:hover {
  border-color: var(--roller);
}

/* ================= RIGHT CONTENT ================= */

.right-section {
  width: 55%;
  display: flex;
  flex-direction: column;
}

/* Title */
.right-section h2 {
  font-size: 2rem;
  margin: 0 0 6px 0;         
  color: var(--roller);
}

/* Subtitle / description */
.right-section .desc {
  margin: 4px 0 10px;
  font-size: 0.95rem;
  color: var(--text);
}

/* Price */
.right-section .price {
  margin: 0 0 18px;
  font-size: 1.2rem;
  color: var(--text);
}

/* ================= MEASURING GUIDE ================= */

.measuring-guide {
  margin-top: 0;         
  line-height: 1.6;
}

/* Measuring guide title */
.measuring-guide h2 {
  margin: 0 0 14px;
  font-size: 1.6rem;
  color: var(--roller);
}

/* Intro */
.measuring-guide .intro {
  margin-bottom: 14px;
  color: var(--muted);
}

/* Highlight boxes */
.measuring-guide .tools,
.measuring-guide .decision {
  background: var(--beige);
  padding: 12px 14px;
  border-left: 4px solid var(--blinds);
  border-radius: 6px;
  margin-bottom: 12px;
}

/* Section headings */
.measuring-guide h3 {
  margin: 18px 0 6px;
  font-size: 1.2rem;
  color: var(--roller);
}

/* Paragraphs */
.measuring-guide p {
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: var(--text);
}

/* List */
.measurement-list {
  padding-left: 20px;
  margin-bottom: 14px;
}

.measurement-list li {
  margin-bottom: 6px;
}

/* Example box */
.example {
  margin-top: 12px;
  padding: 5px 12px;
  background: var(--white);
  border: 1px dashed var(--muted);
  border-radius: 6px;
}

/* ================= BUTTON ================= */

.add-cart {
  margin-top: 10px;
  padding: 14px 28px;
  font-size: 1.1rem;
  background: var(--white);
  color: var(--roller);
  border: 2px solid var(--roller);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  width: 50%;
}

.add-cart:hover {
  background: var(--blinds);
  color: var(--white);
}

/* ================= RESPONSIVE ================= */

@media (max-width: 900px) {
  .product-page {
    flex-direction: column;
  }

  .left-section,
  .right-section {
    width: 100%;
  }

  .main-image-box {
    height: auto;
  }

  .main-image-box img {
    height: auto;
  }
}