:root {
  --brand-primary: #01a6b7;
  --brand-dark: #03466e;
  --brand-dark-hover: #023653;
  --black: #000000;
  --white: #ffffff;
  --light-bg: #f4f9fb;
  --light-blue: #eaf8fa;
  --border-color: #dce8ed;

}

* {
  box-sizing: border-box;
}





.product-page-section {
  padding: 30px 0 90px;
}

/* Left Sidebar */
.left-sidebar {
  position: sticky;
  top: 96px;
}

.sidebar-block {
  padding: 22px;
  margin-bottom: 22px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--brand-primary);
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(3, 70, 110, 0.06);
}

.sidebar-title {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  font-size: 19PX;
  margin-bottom: 3px;
  color: var(--brand-dark);
  border-bottom: 1px solid var(--border-color);

  font-weight: 700;
}

.sidebar-title i {
  color: var(--brand-primary);
  font-size: 20px;
}

/* Categories */
.category-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.category-list li {
  border-bottom: 1px solid #edf2f4;
}

.category-list li:last-child {
  border-bottom: 0;
}

.category-list a {
  display: block;
  padding: 10px 2px;
  color: var(--text-muted);

  text-decoration: none;
  transition: all 0.25s ease;
}

.category-list a:hover {
  padding-left: 8px;
  color: var(--brand-primary);
}

.category-list i {
  margin-right: 6px;
  color: var(--brand-primary);

}

/* Related Products */
.related-product-list {
  display: flex;
  flex-direction: column;
}

.related-product {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 2px;
  color: var(--black);
  border-bottom: 1px solid #edf2f4;
  text-decoration: none;
  transition: all 0.25s ease;
}

.related-product:last-child {
  border-bottom: 0;
}

.related-product:hover {
  padding-left: 8px;
  background: #fbfeff;
}

.related-product > span:nth-child(2) {
  display: flex;
  flex: 1;
  flex-direction: column;
  line-height: 1.25;
}

.related-product strong {
  color: var(--brand-dark);

}

.related-product small {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 10px;
}

.related-product > i {
  color: var(--brand-primary);
  font-size: 12px;
}

.related-product-icon {
  display: grid;
  flex: 0 0 37px;
  width: 37px;
  height: 37px;
  place-items: center;
  color: var(--white);
  background: var(--brand-primary);
  border-radius: 8px;
  font-size: 17px;
}

/* Brochure */
.sidebar-download {
  padding: 24px 20px;
  margin-bottom: 22px;
  color: var(--white);
  border-radius: 14px;
  background: var(--brand-dark);
}

.download-icon {
  display: grid;
  width: 43px;
  height: 43px;
  margin-bottom: 13px;
  place-items: center;
  color: var(--brand-dark);
  background: var(--brand-primary);
  border-radius: 9px;
  font-size: 21px;
}

.sidebar-download h4 {
  margin-bottom: 7px;
  font-size: 18px;
}

.sidebar-download p {
  margin-bottom: 17px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.5;
}

.download-button {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 9px 13px;
  color: var(--black);
  background: var(--white);
  border-radius: 6px;
 
  font-weight: 600;
  text-decoration: none;
}

.download-button:hover {
  color: var(--white);
  background: var(--brand-primary);
}

/* Contact */
.sidebar-contact {
  padding: 23px 20px;
  color: var(--white);
  border-radius: 14px;
  background: var(--brand-primary);
}

.sidebar-contact > i {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 13px;
  place-items: center;
  color: var(--brand-primary);
  background: var(--white);
  border-radius: 50%;
  font-size: 20px;
}

.sidebar-contact h4 {
  margin-bottom: 7px;
  font-size: 18px;
}

.sidebar-contact p {
  margin-bottom: 13px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  line-height: 1.5;
}

.sidebar-contact a {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.sidebar-contact a:hover {
  color: var(--brand-dark);
}

/* Main Product Area */
.product-content {
  
 
 
 
}

.product-label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
  color: var(--brand-primary);
 
  font-weight: 800;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

.product-label span {
  width: 28px;
  height: 3px;
  background: var(--brand-primary);
  border-radius: 50px;
}


.product-intro .intro-text {
  margin-bottom: 23px;
  color: var(--brand-primary);

  font-weight: 600;
  line-height: 1.5;
}


.product-content strong {
  color: var(--brand-dark);
}

.content-section {
  padding-top: 34px;
  margin-top: 34px;
  border-top: 1px solid var(--border-color);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 21px;
}

.section-heading h2 {
  margin: 0;
  color: var(--brand-dark);
  font-size: 25px;
  font-weight: 700;
}

.heading-line {
  width: 30px;
  height: 4px;
  background: var(--brand-primary);
  border-radius: 30px;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.feature-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px;
  color: var(--text-muted);
  background: #ffffff;
  border: 1px solid #01a6b7;
  border-radius: 9px;
 
  line-height: 1.5;
}

.feature-item i {
  flex: 0 0 auto;
  color: var(--brand-primary);
  font-size: 17px;
}

/* Technical Table */
.specification-table {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.specification-table th,
.specification-table td {
  padding: 15px 17px;
  border-color: var(--border-color);

  vertical-align: top;
}

.specification-table th {
  width: 35%;
  color: var(--brand-dark);
  background: var(--light-blue);
  font-weight: 700;
}

.specification-table td {
  color: var(--text-muted);
}

/* Application Tags */
.application-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 20px;
}

.application-tags span {
  padding: 7px 13px;
  color: var(--brand-dark);
  background: var(--light-blue);
  border: 1px solid #cceef2;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}

/* FAQ */
.custom-accordion .accordion-item {
  margin-bottom: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.custom-accordion .accordion-button {
  padding: 16px;
  color: var(--brand-dark);
  background: var(--white);
  box-shadow: none;

  font-weight: 700;
}

.custom-accordion .accordion-button:not(.collapsed) {
  color: var(--white);
  background: var(--brand-dark);
}

.custom-accordion .accordion-body {
  color: var(--text-muted);
 
}

/* Quote Section Inside Main Content */
.quote-section {
  padding: 30px;
  margin-top: 35px;
  background: var(--light-blue);
  border: 1px solid #cceef2;
  border-radius: 12px;
}

.quote-section p {
  margin-bottom: 22px;
}

.quote-section label {
  display: block;
  margin-bottom: 5px;
  color: var(--brand-dark);

  font-weight: 700;
}

.quote-section .form-control {
  border-color: var(--border-color);
}

.quote-section .form-control:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(1, 166, 183, 0.14);
}

.submit-button {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 12px 22px;
  color: var(--white);
  background: var(--brand-primary);
  border: 0;
  border-radius: 7px;

  font-weight: 700;
  transition: 0.25s ease;
}

.submit-button:hover {
  color: var(--white);
  background: var(--brand-dark);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 991px) {
  .left-sidebar {
    position: static;
  }

  .product-content {
   
  }
}

@media (max-width: 767px) {
  .product-page-section {
    padding: 25px 0 60px;
  }

  .product-intro h1 {
    font-size: 32px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .product-content {
    
  }

  .section-heading h2 {
    font-size: 24px;
  }

  .quote-section {
    padding: 22px 17px;
  }

  .specification-table th,
  .specification-table td {
    padding: 12px;
    font-size: 13px;
  }
}