/* Hero Section - COMPACT MOBILE */
.page-hero {
  background: var(--page-gradient);
  padding: var(--hero-padding-mobile);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.page-hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 15px;
  position: relative;
  z-index: 1;
}

.page-title {
  font-size: 1.5rem;
  color: #ffffff;
  margin: 0;
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  text-align: center;
}

/* Main Layout - EDGE-TO-EDGE ON MOBILE */
.page-layout {
  max-width: var(--prg-container-max-width);
  margin: -30px auto 40px;
  display: block;
  padding: 0;
  position: relative;
  z-index: 2;
}

@media (min-width: 1024px) {
  .page-layout {
    margin: -40px auto 60px;
  }
}

/* Table of Contents - HIDDEN ON MOBILE */
.toc-container {
  display: none;
}

/* Main Content Area - EDGE-TO-EDGE ON MOBILE */
.page-layout>.page-content {
  background: var(--page-card);
  border-radius: var(--card-radius);
  padding: var(--content-padding);
  box-shadow: none;
  border: none;
  max-width: 100%;
  position: relative;
  overflow-x: clip;
  overflow-y: visible;
}

/* Animated color line at top of content */
.page-layout>.page-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--page-secondary) 0%, var(--color-secondary-light) 50%, var(--page-secondary) 100%);
  background-size: 200% 100%;
  animation: shimmer 3s linear infinite;
  border-radius: var(--card-radius) var(--card-radius) 0 0;
  z-index: 10;
}

/* Hide duplicate h1 title in content */
.page-layout>.page-content>h1:first-child {
  display: none;
}

/* Content Typography - COMPACT MOBILE */
.page-content h2 {
  color: var(--page-secondary);
  font-size: 1.3rem;
  margin: 20px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--page-border);
  position: relative;
  font-weight: 600;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.page-content h2::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--page-secondary);
  border-radius: 2px;
}

.page-content h2 i {
  margin-right: 8px;
  color: var(--page-primary);
}

.page-content h3 {
  color: var(--page-heading);
  font-size: 1.1rem;
  margin: 18px 0 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.page-content h3 i {
  margin-right: 8px;
  color: var(--page-primary);
}

.page-content p {
  line-height: 1.6;
  margin-bottom: 12px;
  color: var(--page-text);
  font-size: 0.95rem;
}

.page-content ul,
.page-content ol {
  margin: 12px 0;
}

.page-content li {
  margin-bottom: 8px;
  line-height: 1.6;
  color: var(--page-text);
  font-size: 0.95rem;
}

.page-content a {
  color: var(--page-primary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  font-weight: 500;
}

.page-content a:hover {
  color: var(--page-accent);
  border-bottom-color: var(--page-accent);
}

/* Protocol Cards - COMPACT */
.protocol-summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 15px 0;
}

.protocol-card {
  background: linear-gradient(135deg, var(--page-light-bg) 0%, #ffffff 100%);
  border-radius: var(--card-radius);
  padding: 15px;
  box-shadow: var(--page-shadow-sm);
  transition: all 0.3s ease;
  border-left: 4px solid var(--page-accent);
}

.protocol-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--page-shadow-md);
}

/* Intro Card - COMPACT MOBILE */
.intro-card {
  background: linear-gradient(135deg, #f8fbff 0%, #ffffff 100%);
  border-radius: var(--card-radius);
  padding: 15px;
  box-shadow: var(--page-shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
  border: 1px solid var(--page-border);
  text-align: center;
}

.intro-content {
  flex: 1;
  width: 100%;
}

.intro-content h2 {
  text-align: left;
  margin-top: 0;
}

.intro-content ul {
  text-align: left;
}

.intro-image img {
  max-width: 180px;
  width: 100%;
  border-radius: 6px;
}

/* Section Blocks - COMPACT */
.section-block {
  background: linear-gradient(135deg, var(--page-light-bg) 0%, #ffffff 100%);
  border-radius: var(--card-radius);
  padding: var(--content-padding);
  margin-bottom: var(--section-spacing);
  box-shadow: var(--page-shadow-sm);
  border: 1px solid var(--page-border);
}

/* Tables - OPTIMIZED */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 15px 0;
}

.page-content table {
  width: 100%;
  min-width: 450px;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--page-shadow-sm);
}

.page-content th {
  background: linear-gradient(135deg, var(--page-secondary), var(--color-secondary-light));
  color: white;
  padding: 10px;
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

.page-content td {
  padding: 10px;
  border-bottom: 1px solid var(--page-border);
  background: var(--page-card);
  font-size: 0.9rem;
}

.page-content tr:hover td {
  background: #f8fbff;
}

.page-content tr:last-child td {
  border-bottom: none;
}

/* IMPROVED Dosing & Reconstitution Wrapper */
.dosing-recon-wrapper {
  margin: var(--section-spacing) 0;
  padding: 0;
  background: transparent;
}

.dosing-recon-wrapper .dr-container {
  max-width: 100%;
  margin: 0;
  background: linear-gradient(135deg, #f8fbff 0%, #ffffff 100%);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--page-shadow-md);
  border: 1px solid var(--page-border);
}

.dosing-recon-wrapper header {
  padding: 20px 15px;
  background: linear-gradient(135deg, var(--page-secondary), var(--color-secondary-light));
  color: #fff;
  position: relative;
  overflow: hidden;
}

.dosing-recon-wrapper header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M20 20L0 0v20h20zm0 0l20 20V20H20zm0 0L0 40h20V20zm0 0l20-20H20v20z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.dosing-recon-wrapper header>div {
  position: relative;
  z-index: 1;
}

.dosing-recon-wrapper header h2 {
  font-size: 1.3rem;
  margin: 0;
  color: #fff;
  border: none !important;
  padding: 0 !important;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.dosing-recon-wrapper header h2 i {
  font-size: 1.2rem;
}

.dosing-recon-wrapper header h2::after {
  display: none;
}

.dosing-recon-wrapper header p {
  font-size: 0.9rem;
  margin: 8px 0 0 0;
  opacity: 0.95;
  color: #e8f4ff;
  font-weight: 400;
  letter-spacing: 0.3px;
}

.dosing-recon-wrapper section {
  padding: 20px 15px;
  border-bottom: 1px solid var(--page-border);
  background: #fff;
}

.dosing-recon-wrapper section:last-of-type {
  border-bottom: none;
}

.dosing-recon-wrapper section h2 {
  font-size: 1.15rem;
  margin-bottom: 15px;
  color: var(--page-secondary);
  border-left: 4px solid var(--page-secondary);
  padding-left: 12px;
  border-bottom: none;
  font-weight: 600;
}

.dosing-recon-wrapper section h2::after {
  display: none;
}

/* Improved table styling for mobile */
.dosing-recon-wrapper .table-responsive {
  margin: 15px -5px;
  padding: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.dosing-recon-wrapper table {
  width: 100%;
  min-width: auto;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  background: #fff;
}

.dosing-recon-wrapper th {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: white;
  padding: 12px 10px;
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.dosing-recon-wrapper td {
  padding: 12px 10px;
  border-bottom: 1px solid #f0f0f0;
  background: #fff;
  font-size: 0.9rem;
  color: var(--page-text);
}

.dosing-recon-wrapper tr:last-child td {
  border-bottom: none;
}

.dosing-recon-wrapper tr:hover td {
  background: #f8fbff;
}

/* Make first column slightly narrower on mobile */
.dosing-recon-wrapper td:first-child,
.dosing-recon-wrapper th:first-child {
  width: 30%;
}

.dosing-recon-wrapper section p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--page-text);
  margin-bottom: 15px;
}

.dosing-recon-wrapper section ol {
  margin: 15px 0;
  padding-left: 20px;
}

.dosing-recon-wrapper section ol li {
  margin-bottom: 10px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--page-text);
}

.dosing-recon-wrapper footer {
  padding: 15px;
  background: linear-gradient(135deg, #fef9e7, #fdf6e3);
  border-top: 2px solid #fcefc0;
  text-align: center;
  font-style: italic;
  color: #7a6736;
  font-size: 0.85rem;
}

.dosing-recon-wrapper footer p {
  margin: 0;
}

/* Image Gallery - COMPACT 2 COLUMNS */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 15px 0;
}

.product-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-radius: var(--card-radius);
  background: #fff;
  box-shadow: var(--page-shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--page-border);
  min-height: 180px;
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--page-shadow-md);
}

.product-card img {
  width: 100%;
  max-width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 10px;
}

.product-card a {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff !important;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 5px;
  text-decoration: none !important;
  transition: all 0.3s ease;
  border: none !important;
  font-size: 0.8rem;
  text-align: center;
  width: 100%;
  max-width: 120px;
}

.product-card a:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(231, 76, 60, 0.3);
}

/* Important Note - COMPACT */
.important-note {
  background: var(--page-note-bg);
  border: 2px solid var(--page-note-border);
  border-radius: var(--card-radius);
  padding: 15px;
  margin: var(--section-spacing) 0;
  color: #7a6736;
}

.important-note h3 {
  margin-top: 0;
  margin-bottom: 8px;
  color: #7a6736;
  font-size: 1rem;
}

.important-note p {
  margin: 0;
  font-size: 0.9rem;
}

/* Supplier Info - COMPACT */
.supplier-info {
  background: linear-gradient(135deg, #e8f4f8 0%, #ffffff 100%);
  border-radius: var(--card-radius);
  padding: 15px;
  margin: var(--section-spacing) 0;
  box-shadow: var(--page-shadow-sm);
  border-left: 5px solid var(--page-accent);
}

/* References Section - STREAMLINED */
.references-section {
  margin-top: var(--section-spacing);
  padding: 0;
  background: transparent;
}

.references-section h2 {
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--page-secondary);
}

.reference-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.reference-list li {
  margin-bottom: 12px;
  padding: 12px;
  background: linear-gradient(135deg, #f8fbff 0%, #ffffff 100%);
  border-radius: var(--card-radius);
  border-left: 3px solid var(--page-secondary);
  box-shadow: var(--page-shadow-sm);
  transition: all 0.3s ease;
}

.reference-list li:hover {
  transform: translateX(2px);
  box-shadow: var(--page-shadow-md);
}

/* Dosage Chart Hero */
.dosage-chart-hero {
  margin: 18px 0 30px;
  background: transparent;
}

.dch-head {
  background: var(--dch-head-bg);
  border: 1px solid var(--dch-head-border);
  border-left: 5px solid var(--color-secondary);
  border-radius: 12px;
  padding: 22px 26px;
  margin-bottom: 26px;
}

.dch-head>h2 {
  margin: 0 0 14px !important;
  font-size: 1.5rem;
  color: var(--dch-text-color);
  font-weight: 600;
  border-bottom: 0 !important;
}

.dch-top {
  display: flex;
  gap: 26px;
  align-items: flex-start;
}

.dch-text {
  flex: 1 1 60%;
  min-width: 0;
}

.dch-text p.dch-lead {
  margin: 0 0 14px;
  font-size: inherit;
  line-height: inherit;
  color: var(--dch-text-color);
}

.dch-text ul {
  margin: 8px 0 0;
  padding-left: 20px;
  line-height: 1.6;
}

.dch-img {
  flex: 0 0 200px;
  text-align: center;
}

.dch-img img {
  max-width: 190px;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 3px 12px rgba(44, 62, 80, 0.14);
}

.dch-desc {
  margin: 14px 0 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--dch-desc-color);
}

.dosage-chart-hero .dosing-recon-wrapper {
  margin-bottom: 0;
}

/* Related Protocols */
.related-protocols {
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--page-border);
}

.related-protocols h2 {
  margin: 0 0 8px;
  font-size: 1.35rem;
  color: var(--page-heading);
}

.related-protocols h2 i {
  color: var(--page-accent);
  margin-right: 8px;
}

.related-protocols .rp-sub {
  margin: 0 0 16px;
  color: var(--page-text-muted);
  font-size: 0.92rem;
}

.rp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.rp-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, var(--page-light-bg) 0%, #ffffff 100%);
  border: 1px solid var(--page-border);
  border-radius: var(--card-radius);
  text-decoration: none;
  color: var(--page-heading);
  font-weight: 500;
  font-size: 0.92rem;
  transition: all 0.25s ease;
  box-shadow: var(--page-shadow-sm);
}

.rp-card:hover {
  border-color: var(--page-accent);
  color: var(--page-accent);
  transform: translateY(-1px);
  box-shadow: var(--page-shadow-md);
}

.rp-ico {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(231, 76, 60, 0.1);
  border-radius: 8px;
  color: var(--page-accent);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .dch-top {
    flex-direction: column;
  }

  .dch-img {
    flex-basis: auto;
  }

  .dch-img img {
    max-width: 150px;
  }
}

.ref-line {
  display: flex;
  align-items: flex-start;
  margin-bottom: 8px;
  color: var(--page-heading);
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.ref-line i {
  color: var(--page-accent);
  margin-right: 8px;
  margin-top: 2px;
  font-size: 0.8rem;
}

.ref-line strong {
  color: var(--page-secondary);
  font-weight: 600;
  margin-right: 5px;
}

.view-source {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white !important;
  border-radius: 15px;
  text-decoration: none !important;
  transition: all 0.3s ease;
  font-size: 0.8rem;
  font-weight: 500;
  border: none !important;
}

.view-source:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 10px rgba(231, 76, 60, 0.3);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

/* Animation classes */
.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.fadeUp {
  animation: fadeInUp 0.8s ease-out forwards;
}

.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}

.delay-4 {
  animation-delay: 0.4s;
}

/* TABLET STYLES */
@media (min-width: 768px) {
  body.page-protocol {
    --section-spacing: 25px;
    --content-padding: 25px;
    --hero-padding-mobile: 50px 0 35px;
    --card-radius: 10px;
  }

  .page-hero {
    padding: var(--hero-padding-mobile);
  }

  .page-title {
    font-size: 2rem;
  }

  .page-layout {
    margin: -20px auto 40px;
    padding: 0 var(--prg-container-gutter);
  }

  .page-layout>.page-content {
    padding: var(--content-padding);
    border-radius: var(--card-radius);
    box-shadow: var(--page-shadow-md);
    border: 1px solid var(--page-border);
  }

  .page-content h2 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
  }

  .page-content h3 {
    font-size: 1.2rem;
  }

  .page-content p {
    font-size: 1rem;
    margin-bottom: 15px;
  }

  .intro-card {
    flex-direction: row;
    text-align: left;
    padding: 20px;
    gap: 20px;
  }

  .intro-image img {
    max-width: 200px;
  }

  .protocol-card,
  .section-block {
    padding: 20px;
  }

  .image-gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }

  .product-card {
    padding: 15px;
    min-height: 200px;
  }

  .product-card img {
    max-width: 120px;
    height: 120px;
  }

  .product-card a {
    padding: 8px 16px;
    font-size: 0.85rem;
  }

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

  .dosing-recon-wrapper header {
    padding: 25px;
  }

  .dosing-recon-wrapper header h2 {
    font-size: 1.5rem;
  }

  .dosing-recon-wrapper header h2 i {
    font-size: 1.4rem;
  }

  .dosing-recon-wrapper header p {
    font-size: 1rem;
    margin-top: 10px;
  }

  .dosing-recon-wrapper section {
    padding: 25px;
  }

  .dosing-recon-wrapper section h2 {
    font-size: 1.3rem;
    margin-bottom: 20px;
  }

  .dosing-recon-wrapper table {
    min-width: 100%;
  }

  .dosing-recon-wrapper th {
    padding: 14px 15px;
    font-size: 0.85rem;
  }

  .dosing-recon-wrapper td {
    padding: 14px 15px;
    font-size: 0.95rem;
  }

  .dosing-recon-wrapper section p {
    font-size: 0.95rem;
  }

  .dosing-recon-wrapper section ol li {
    font-size: 0.95rem;
  }

  .dosing-recon-wrapper footer {
    padding: 20px;
    font-size: 0.9rem;
  }

  .reference-list li {
    padding: 15px;
  }
}

/* DESKTOP STYLES */
@media (min-width: 1024px) {
  body.page-protocol {
    --section-spacing: 35px;
    --content-padding: 35px;
    --hero-padding-mobile: 70px 0 50px;
    --card-radius: 12px;
  }

  .page-hero {
    padding: var(--hero-padding-mobile);
    margin-top: 0px;
  }

  .page-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
  }

  .page-layout {
    margin: -30px auto 50px;
    display: flex;
    align-items: flex-start;
    gap: 35px;
    padding: 0 var(--prg-container-gutter);
  }

  /* Show TOC on desktop */
  .toc-container {
    display: block;
    flex: 0 0 280px;
    width: 280px;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    position: sticky;
    top: var(--site-sticky-offset, 90px);
    align-self: flex-start;
    height: auto;
    box-shadow: none;
    transition: none;
  }

  .toc-container__inner {
    display: flex;
    flex-direction: column;
    background: var(--page-card);
    border-radius: var(--card-radius);
    padding: 25px;
    box-shadow: var(--page-shadow-lg);
    border: 1px solid var(--page-border);
    max-height: calc(100vh - var(--site-sticky-offset, 90px) - 20px);
    overflow: hidden;
  }

  .toc-list-scroll {
    flex: 1 1 auto;
    min-height: 0;
    margin-top: 18px;
    padding-right: 4px;
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .toc-title {
    flex-shrink: 0;
    font-size: 1.2rem;
    color: var(--page-secondary);
    margin-bottom: 0;
    font-weight: 600;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--page-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .toc-title i {
    color: var(--page-primary);
    font-size: 1rem;
  }

  .nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .nav-list li {
    margin-bottom: 3px;
  }

  .nav-list a {
    display: flex;
    align-items: center;
    color: var(--page-text);
    font-size: 0.9rem;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
  }

  .nav-list a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--page-accent);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .nav-list a:hover {
    background: linear-gradient(90deg, rgba(231, 76, 60, 0.1) 0%, transparent 100%);
    color: var(--page-accent);
    padding-left: 18px;
  }

  .nav-list a:hover::before {
    transform: translateX(0);
  }

  .nav-list a.active {
    background: linear-gradient(90deg, rgba(0, 43, 91, 0.08) 0%, transparent 100%);
    color: var(--page-secondary);
    font-weight: 600;
  }

  .nav-list a i {
    margin-right: 8px;
    height: 22px;
    width: 22px;
    min-width: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.7;
  }

  .page-layout>.page-content {
    flex: 1;
    padding: var(--content-padding);
    border-radius: var(--card-radius);
  }

  /* Center content when TOC sidebar is absent (contact, login, register) */
  .page-layout>.page-content:only-child {
    margin: 0 auto;
  }

  .page-content h2 {
    font-size: 1.7rem;
    margin: 35px 0 18px;
  }

  .page-content h3 {
    font-size: 1.3rem;
    margin: 25px 0 12px;
  }

  .page-content p {
    font-size: 1.02rem;
    margin-bottom: 18px;
    line-height: 1.7;
  }

  .page-content ul,
  .page-content ol {
    margin: 18px 0;
  }

  .page-content li {
    margin-bottom: 10px;
    line-height: 1.7;
  }

  .intro-card {
    padding: 30px;
    gap: 30px;
    margin-bottom: 30px;
  }

  .intro-image img {
    max-width: 220px;
  }

  .protocol-card {
    padding: 22px;
  }

  .section-block {
    padding: 30px;
    margin-bottom: 30px;
  }

  .page-content table {
    margin: 25px 0;
  }

  .page-content th,
  .page-content td {
    padding: 12px;
  }

  .dosing-recon-wrapper header {
    padding: 30px;
  }

  .dosing-recon-wrapper header h2 {
    font-size: 1.7rem;
  }

  .dosing-recon-wrapper header h2 i {
    font-size: 1.5rem;
  }

  .dosing-recon-wrapper header p {
    font-size: 1.05rem;
  }

  .dosing-recon-wrapper section {
    padding: 30px;
  }

  .dosing-recon-wrapper section h2 {
    font-size: 1.4rem;
    padding-left: 15px;
  }

  .dosing-recon-wrapper th {
    padding: 15px 20px;
    font-size: 0.9rem;
  }

  .dosing-recon-wrapper td {
    padding: 15px 20px;
    font-size: 1rem;
  }

  .dosing-recon-wrapper section p {
    font-size: 1rem;
    margin-bottom: 18px;
  }

  .dosing-recon-wrapper section ol li {
    font-size: 1rem;
    margin-bottom: 12px;
  }

  .dosing-recon-wrapper footer {
    padding: 25px;
    font-size: 0.95rem;
  }

  .image-gallery {
    grid-template-columns: repeat(4, 1fr);
    margin: 25px 0;
  }

  .product-card {
    padding: 18px;
  }

  .product-card img {
    width: 130px;
    height: 130px;
  }

  .product-card a {
    padding: 8px 18px;
    font-size: 0.9rem;
  }

  .reference-list li {
    padding: 18px;
    margin-bottom: 15px;
  }

  .ref-line {
    font-size: 0.95rem;
  }

  .view-source {
    padding: 6px 14px;
    font-size: 0.85rem;
  }
}

/* LARGE DESKTOP */
@media (min-width: 1440px) {
  .page-title {
    font-size: 3rem;
  }

  .toc-container {
    width: 300px;
    flex-basis: 300px;
  }

  .toc-container__inner {
    padding: 30px;
  }

  .page-layout>.page-content {
    padding: 40px;
  }
}

/************************************************************
 *                   BREADCRUMBS
 ************************************************************/
.site-breadcrumbs {
  background: var(--bg-color);
  padding: 0;
  font-size: 0.82rem;
  line-height: 1;
  position: relative;
  z-index: 10;
}

.breadcrumb-inner {
  max-width: var(--prg-container-max-width);
  margin: 0 auto;
  padding: 10px var(--prg-container-gutter);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.site-breadcrumbs span {
  display: inline;
  color: var(--text-muted);
}

.site-breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 450;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.site-breadcrumbs a:hover {
  color: var(--primary-color);
}

.site-breadcrumbs .breadcrumb_last {
  color: var(--secondary-color);
  font-weight: 600;
  display: inline-block;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
}

.site-breadcrumbs .breadcrumb-separator {
  display: inline-block;
  margin: 0 8px;
  color: var(--border-color);
  font-size: 0.7rem;
  vertical-align: middle;
}

@media (min-width: 769px) {
  .breadcrumb-inner {
    padding: 20px var(--prg-container-gutter);
  }

  .site-breadcrumbs {
    font-size: 0.84rem;
  }

  .site-breadcrumbs .breadcrumb_last {
    max-width: 450px;
  }
}

/* Sticky offsets when the WordPress admin bar is visible */
@media (min-width: 1024px) {
  .admin-bar .toc-container {
    top: var(--site-sticky-offset);
  }

  .admin-bar .toc-container__inner {
    max-height: calc(100vh - var(--site-sticky-offset) - 20px);
  }
}

/* User Requests: overrides for .wp-block-group.section-block */
.wp-block-group.section-block .page-content h2,
.wp-block-group.section-block h2 {
  margin-top: 0 !important;
}

.wp-block-group.section-block div,
.wp-block-group.section-block p {
  padding-left: 0 !important;
  padding-right: 0 !important;
  max-width: 100%;
}

.supplier-info .benefits ul {
  padding-left: 24px !important;
}

.protocol-summary.wp-block-peptideresourceguide-protocol-cards ul,
.protocol-summary.wp-block-peptideresourceguide-protocol-cards ol {
  padding-left: 24px !important;
}