.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 10000;
  background: transparent;
  pointer-events: none;
}

.reading-progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--blog-accent) 0%, #ff4d6a 100%);
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

.article-hero {
  position: relative;
  padding: 160px 0 64px;
  background: linear-gradient(180deg, var(--blog-bg) 0%, var(--blog-bg-subtle) 100%);
  overflow: hidden;
}

.article-hero__shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.article-hero__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
}

.article-hero__shape--1 {
  width: 600px;
  height: 600px;
  background: var(--blog-accent-glow);
  top: -200px;
  right: -200px;
}

.article-hero__shape--2 {
  width: 400px;
  height: 400px;
  background: rgba(200, 16, 46, 0.06);
  bottom: -100px;
  left: 10%;
}

.article-hero__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.article-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  color: var(--blog-text-muted);
  margin-bottom: 32px;
}

.article-hero__breadcrumb a {
  color: var(--blog-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-hero__breadcrumb a:hover {
  color: var(--blog-accent);
}

.article-hero__category {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 100px;
  background: var(--blog-accent-glow);
  color: var(--blog-accent);
  margin-bottom: 20px;
}

.article-hero__title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--blog-text-primary);
  margin: 0 0 28px;
}

.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.article-hero__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.article-hero__author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--blog-border);
}

.article-hero__author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.article-hero__author-name {
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blog-text-primary);
}

.article-hero__author-role {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  color: var(--blog-text-muted);
}

.article-hero__meta-item {
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  color: var(--blog-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-hero__meta-icon {
  width: 16px;
  height: 16px;
  opacity: 0.5;
}

.article-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.article-hero__tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid var(--blog-border);
  color: var(--blog-text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.article-hero__tag:hover {
  border-color: var(--blog-accent);
  color: var(--blog-accent);
}

.article-hero__cover {
  margin-top: 48px;
  border-radius: var(--blog-radius-lg);
  overflow: hidden;
  max-height: 480px;
}

.article-hero__cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-body {
  padding: 64px 0 120px;
  background: var(--blog-bg);
}

.article-body__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 64px;
  align-items: start;
}

.article-toc-toggle {
  display: none;
}

.article-toc {
  position: sticky;
  top: 100px;
}

.article-toc__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blog-text-muted);
  margin: 0 0 20px;
}

.article-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 2px solid var(--blog-border);
}

.article-toc__link {
  display: block;
  padding: 8px 0 8px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  color: var(--blog-text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: all 0.25s ease;
  line-height: 1.4;
}

.article-toc__link:hover {
  color: var(--blog-text-secondary);
}


.article-toc__link:focus-visible {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
  color: var(--blog-text-primary);
  border-left-color: var(--blog-accent);
}

.article-toc__link.is-active {
  color: var(--blog-accent);
  border-left-color: var(--blog-accent);
  font-weight: 500;
}

.article-content {
  max-width: 720px;
}

.article-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--blog-text-primary);
  margin: 56px 0 20px;
  scroll-margin-top: 100px;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--blog-text-primary);
  margin: 40px 0 16px;
  scroll-margin-top: 100px;
}

.article-content p {
  font-family: 'Lora', serif;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--blog-text-secondary);
  margin: 0 0 24px;
}

.article-content ul,
.article-content ol {
  font-family: 'Lora', serif;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--blog-text-secondary);
  margin: 0 0 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  margin: 32px 0;
  padding: 24px 28px;
  border-left: 3px solid var(--blog-accent);
  background: var(--blog-surface);
  border-radius: 0 var(--blog-radius-md) var(--blog-radius-md) 0;
}

.article-content blockquote p {
  font-style: italic;
  margin: 0;
  color: var(--blog-text-primary);
}

.article-content img {
  width: 100%;
  border-radius: var(--blog-radius-md);
  margin: 32px 0;
}

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

.article-callout {
  padding: 24px;
  border-radius: var(--blog-radius-md);
  background: var(--blog-accent-glow);
  border: 1px solid rgba(200, 16, 46, 0.2);
  margin: 32px 0;
}

.article-callout__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--blog-accent);
  margin: 0 0 8px;
}

.article-callout__text {
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--blog-text-secondary);
  margin: 0;
}

.article-cta {
  margin: 56px 0;
  padding: 40px;
  border-radius: var(--blog-radius-lg);
  background: var(--blog-glass-bg);
  backdrop-filter: blur(var(--blog-glass-blur));
  -webkit-backdrop-filter: blur(var(--blog-glass-blur));
  border: 1px solid var(--blog-glass-border);
  text-align: center;
}

.article-cta__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blog-text-primary);
  margin: 0 0 12px;
}

.article-cta__text {
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  color: var(--blog-text-secondary);
  margin: 0 0 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.article-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: 100px;
  background: var(--blog-accent);
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
}

.article-cta__btn:hover {
  background: var(--blog-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--blog-accent-glow);
}

.related-articles {
  padding: 80px 0;
  background: var(--blog-bg-subtle);
}

.related-articles__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.related-articles__title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blog-text-primary);
  margin: 0 0 40px;
}

.related-articles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .article-body__inner {
    grid-template-columns: 1fr;
  }


  .article-toc-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 12px;
    border: 1px solid var(--blog-glass-border);
    border-radius: var(--blog-radius-md);
    background: var(--blog-glass-bg);
    color: var(--blog-text-primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
  }

  .article-toc-toggle:focus-visible {
    outline: 2px solid var(--blog-accent);
    outline-offset: 2px;
  }

  .article-toc-toggle::after {
    content: '+';
    font-size: 1rem;
    line-height: 1;
  }

  .article-toc-toggle[aria-expanded='true']::after {
    content: '−';
  }

  .article-toc {
    position: static;
    padding: 24px;
    background: var(--blog-glass-bg);
    backdrop-filter: blur(var(--blog-glass-blur));
    -webkit-backdrop-filter: blur(var(--blog-glass-blur));
    border: 1px solid var(--blog-glass-border);
    border-radius: var(--blog-radius-lg);
    margin-bottom: 16px;
  }

  .article-toc.is-collapsed {
    display: none;
  }

  .article-toc__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-left: none;
  }

  .article-toc__link {
    border-left: none;
    margin-left: 0;
    padding-left: 0;
  }

  .article-toc__link.is-active {
    border-left: none;
    color: var(--blog-text-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
  }

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

@media (max-width: 768px) {
  .article-hero {
    padding: 120px 0 40px;
  }

  .article-hero__meta {
    gap: 12px;
  }

  .article-toc__list {
    grid-template-columns: 1fr;
  }

  .article-content h2 {
    font-size: 1.5rem;
    margin-top: 40px;
  }

  .article-content p {
    font-size: 1rem;
  }

  .article-cta {
    padding: 28px 20px;
  }

  .related-articles__grid {
    grid-template-columns: 1fr;
  }

  .related-articles {
    padding: 48px 0;
  }
}

@media (max-width: 480px) {
  .article-hero__title {
    font-size: 1.75rem;
  }

  .article-hero__cover {
    margin-top: 32px;
    border-radius: var(--blog-radius-md);
  }
}