:root {
  --text-color-body: #404040;
  --text-color-heading: #1d1d1d;
  --primary-color: #0d6efd;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --line-height-body: 1.75;
  --border-radius-main: 12px;
  --font-size-badge: clamp(0.75rem, 0.3vw + 0.75rem, 0.8125rem);
  /* ~12px to 13px */
  --font-size-toc: clamp(0.8125rem, 0.4vw + 0.75rem, 0.875rem);
  /* ~13px to 14px */
  --font-size-ui: 0.875rem;
  /* 14px */
  --font-size-body: 0.9875rem;
  /* 15px */
  --font-size-li: 0.9875rem;
  /* 15px */
  --font-size-cta: 0.9875rem;
  /* 15px */
  --font-size-h6: 0.9875rem;
  /* 15px */
  --font-size-h5: clamp(1rem, 0.5vw + 0.875rem, 1.125rem);
  /* ~16px to 18px */
  --font-size-h4: clamp(1.125rem, 1vw + 0.875rem, 1.25rem);
  /* ~18px to 20px */
  --font-size-h3: clamp(1.15rem, 1.5vw + 1rem, 1.25rem);
  /* ~20px to 24px */
  --font-size-h2: clamp(1.35rem, 1.5vw + 1rem, 1.65rem);
  /* ~24px to 32px */
  --font-size-h1: clamp(1.55rem, 3vw + 1rem, 2.55rem);
  /* ~28px to 40px */
}

html {
  scroll-padding-top: 100px;
  scroll-behavior: smooth;
}

#blog-header {
  background-color: #f8f9fa;
  padding: calc(var(--spacing-lg) + 0.25rem) 0px
    calc(var(--spacing-lg) + 0.25rem) 0px;
  text-align: center;
}

#blog-header .blog-header-inner {
  max-width: 800px;
  margin: 0 auto;
}

#blog-header .blog-info {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: 500;
  background-color: #ffffff;
  border-radius: 30px;
  margin-bottom: var(--spacing-sm);
  padding: 0.5rem 1rem;
}

#blog-header h1 {
  font-size: var(--font-size-h1);
  color: var(--text-color-heading);
  font-weight: 700;
  line-height: 1.2;
  text-wrap: balance;
  margin-bottom: clamp(0.75rem, 1vw + 0.5rem, 1rem);
}

#blog-header p {
  font-size: var(--font-size-body);
  color: var(--text-color-body);
  max-width: 700px;
  margin: 0 auto;
  line-height: var(--line-height-body);
}

.blog-content-area {
  padding: var(--spacing-lg) 0;
}

.blog-main-image {
  margin-bottom: var(--spacing-lg);
}

.blog-main-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--border-radius-main);
}

.blog-article-content h2,
.blog-article-content h3,
.blog-article-content h4,
.blog-article-content h5,
.blog-article-content h6 {
  color: var(--text-color-heading);
  text-wrap: balance;
  line-height: 1.3;
  font-weight: 600;
}

.blog-article-content h2 {
  font-size: var(--font-size-h2);
  color: var(--primary-color);
  font-weight: 700;
  margin-top: clamp(1.25rem, 2.5vw + 0.75rem, 2rem);
  margin-bottom: clamp(0.5rem, 1vw + 0.25rem, 0.75rem);
}

.blog-article-content h3 {
  font-size: var(--font-size-h3);
  margin-top: clamp(1rem, 2vw + 0.5rem, 1.5rem);
  margin-bottom: clamp(0.5rem, 1vw + 0.25rem, 1rem);
  line-height: 1.35;
}

.blog-article-content h4 {
  font-size: var(--font-size-h4);
  margin-top: clamp(0.875rem, 1.5vw + 0.5rem, 1.25rem);
  margin-bottom: clamp(0.375rem, 0.75vw + 0.25rem, 0.625rem);
  line-height: 1.4;
}

.blog-article-content h5 {
  font-size: var(--font-size-h5);
  margin-top: clamp(0.75rem, 1vw + 0.5rem, 1rem);
  margin-bottom: clamp(0.25rem, 0.5vw + 0.125rem, 0.5rem);
  line-height: 1.45;
}

.blog-article-content h6 {
  font-size: var(--font-size-h6);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: clamp(0.625rem, 0.75vw + 0.375rem, 0.875rem);
  margin-bottom: clamp(0.25rem, 0.5vw + 0.125rem, 0.375rem);
  line-height: 1.5;
}

.blog-article-content h3 + ul {
  list-style: circle;
}

.blog-article-content p {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--text-color-body);
  margin-bottom: clamp(1rem, 1.5vw + 0.5rem, 1.5rem);
}

.blog-article-content a {
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--primary-color);
}

.blog-article-content ul {
  list-style: circle;
  list-style-position: outside;
  padding-left: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--text-color-body);
}

.blog-article-content ul li {
  font-size: var(--font-size-li);
  line-height: var(--line-height-body);
  margin-bottom: clamp(0.25rem, 0.5vw + 0.125rem, 0.5rem);
}

.blog-article-content ul li > p {
  font-size: var(--font-size-li);
  line-height: var(--line-height-body);
  margin-bottom: clamp(0.5rem, 0.75vw + 0.25rem, 0.875rem);
}

.blog-article-content ul li:not(:last-child) p {
  margin-bottom: clamp(0.5rem, 0.75vw + 0.25rem, 0.875rem);
}

.blog-article-content strong {
  font-size: var(--font-size-body);
  color: var(--text-color-heading);
  font-weight: 600;
}

.blog-sidebar .table-content-wrapper {
  background-color: #f8f9fa;
  border-radius: var(--border-radius-main);
  padding: var(--spacing-md);
}

.blog-sidebar .toc-title {
  font-size: var(--font-size-cta);
  font-weight: 600;
  color: var(--text-color-heading);
  margin-bottom: var(--spacing-sm);
}

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

.blog-sidebar nav ul li a {
  display: block;
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-toc);
  color: var(--text-color-body);
  text-decoration: none;
  border-left: 3px solid transparent;
  padding-left: var(--spacing-sm);
  transition: all 0.2s ease-in-out;
}

.blog-sidebar nav ul li a:hover {
  color: var(--primary-color);
  background-color: rgba(13, 110, 253, 0.05);
  border-left-color: var(--primary-color);
}

.cta-contact .card {
  text-align: center;
  padding: var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-main);
  background-color: rgba(13, 110, 253, 0.07);
}

.cta-contact .cta-text {
  font-size: var(--font-size-cta);
  font-weight: 500;
  color: var(--text-color-heading);
}

.cta-contact .btn {
  margin-top: var(--spacing-sm);
}

@media (min-width: 992px) {
  .blog-content-area .col-lg-4 {
    position: sticky;
    top: 7.5rem;
  }

  #blog-header .blog-header-inner {
    padding-block: var(--spacing-lg);
  }

  .blog-content-area {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xs);
  }
}

.mobile-toc {
  margin-bottom: var(--spacing-lg);
  --bs-accordion-border-radius: var(--border-radius-main);
  --bs-accordion-inner-border-radius: var(--border-radius-main);
  --bs-accordion-border-color: #dee2e6;
  --bs-accordion-bg: #f8f9fa;
}

.mobile-toc .accordion-button {
  font-size: var(--font-size-ui);
  font-weight: 600;
  color: var(--text-color-heading);
}

.mobile-toc .accordion-item .accordion-header {
  margin-bottom: 0px;
}

.mobile-toc .accordion-button:not(.collapsed) {
  background-color: rgba(13, 110, 253, 0.1);
  color: var(--primary-color);
  box-shadow: none;
}

.mobile-toc .accordion-button:focus {
  box-shadow: none;
  border-color: rgba(13, 110, 253, 0.3);
}

.mobile-toc .accordion-button::after {
  --bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231d1d1d'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.mobile-toc .accordion-button:not(.collapsed)::after {
  --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230d6efd'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.mobile-toc .accordion-body {
  padding: 0;
}

.mobile-toc nav ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
}

.mobile-toc nav ul li a {
  display: block;
  padding: 0.6rem var(--spacing-md);
  font-size: var(--font-size-toc);
  color: var(--text-color-body);
  text-decoration: none;
}

.mobile-toc nav ul li a:hover {
  color: var(--primary-color);
  background-color: rgba(13, 110, 253, 0.05);
}