.single-article-page {
  background-color: var(--color-white);
}

/* =========================
   Hero
   ========================= */
.single-article-hero {
  padding: calc(var(--spacing-xl) * 2) 0 calc(var(--spacing-xl) * 2.5);
  background-color: var(--color-white);
}

.single-article-hero__inner {
  direction: rtl;
  max-width: 63rem;
  margin: 0 auto;
  text-align: center;
}

.single-article-title {
  margin-bottom: var(--spacing-md);
  font-family: var(--font-family-heading);
  font-size: calc(var(--fs-h1) + 0.75rem);
  font-weight: 800;
  line-height: 1.7;
  color: var(--color-black);
  text-align: right;
}

.single-article-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: right;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  color: var(--gray-600);
  font-size: var(--fs-body);
  direction: rtl;
}

.single-article-breadcrumb a {
  color: var(--gray-600);
  transition: color 0.2s ease;
  
}

.single-article-breadcrumb a:hover {
  color: var(--color-link-hover);
}

.single-article-breadcrumb .current,
.single-article-breadcrumb-separator {
  color: var(--gray-700);
}

.single-article-meta {
  display: flex;
  align-items: center;
  justify-content: right;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: calc(var(--spacing-xl) * 1.5);
  color: var(--gray-700);
  font-size: var(--fs-body);
  font-weight: 300;
  direction: rtl;
}

.single-article-author,
.single-article-date,
.single-article-separator {
  font-weight: 300;
}

.single-article-featured-image {
  margin-bottom: calc(var(--spacing-xl) * 1.5);
  height: 450px;
}

.single-article-featured-image img {
  height: 450px;
  width: 100%;
  max-width: 54.875rem;
  margin: 0 auto;
  border: var(--border-width) solid var(--gray-400);
  border-radius: 0;
  background-color: var(--color-white);
}

.single-article-excerpt {
  max-width: 48rem;
  margin: 0 auto;
  text-align: justify;
}

.single-article-excerpt p {
  font-size: var(--fs-lg);
  line-height: 2.3;
  color: var(--gray-700);
}

.single-article-excerpt p + p {
  margin-top: calc(var(--spacing-xl) * 1.25);
}

/* =========================
   Content Layout
   ========================= */
.single-article-content-section {
  padding: calc(var(--spacing-xl) * 2.5) 0 calc(var(--spacing-xl) * 4);
  background-color: var(--color-white);
}
.container {
  direction: ltr;
}
.single-article-layout {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: calc(var(--spacing-xl) * 2);
}

/* =========================
   Sidebar
   ========================= */
.single-article-sidebar {
  width: 15.625rem;
  min-width: 15.625rem;
  flex: 0 0 15.625rem;
  align-self: flex-start;
  position: relative;
}

/* Product card */
.discount-product-card {
  position: sticky;
  align-self: start;
  border: 1px solid var(--gray-300);
  padding: 30px;
  box-shadow: 6px 6px 10px rgba(0, 0, 0, 0.12);
}

.discount-product-label {
  position: absolute;
  top: -40px;
  right: 16px;
  color: var(--color-secondary);
  font-size: var(--fs-sm);
  font-weight: 700;
  padding: 0.25rem 0.9rem;
}

.discount-product-frame {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gray-100);
}

.discount-product-frame img {
  width: 255px;
  height: 255px;
  object-fit: contain;
}

.discount-product-desc {
  margin-top: 1rem;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--color-dark);
  font-weight: 600;
  text-align: right;
}

.discount-product-old-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
}

.discount-product-old-price {
  font-size: var(--fs-sm);
  color: var(--gray-600);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.discount-product-badge {
  background: var(--color-danger);
  color: var(--color-black);
  font-size: var(--fs-sm);
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.discount-product-new-price {
  margin-top: 0.75rem;
  font-size: var(--fs-h3);
  font-weight: 900;
  color: green;
  text-align: center;
}

/* =========================
   Main
   ========================= */
.single-article-main {
  flex: 1 1 auto;
  direction: rtl;
  min-width: 0;
}

/* =========================
   TOC
   ========================= */
.article-toc-box {
  margin: 0 auto calc(var(--spacing-xl) * 3);
  padding: calc(var(--spacing-xl) * 1.25) var(--spacing-xl);
  background-color: var(--color-gray-navs);
  border-radius: var(--radius-md);
}

.article-toc-title {
  margin-bottom: var(--spacing-xl);
  text-align: right;
  color: var(--color-black);
  font-size: calc(var(--fs-h2) + 0.25rem);
  font-weight: 600;
  line-height: 1.5;
}

.article-toc-list {
  display: flex;
  flex-direction: column;
  margin: 0;
  padding-right: var(--spacing-xl);
  list-style-type: disc;
}

.article-toc-list li {
  display: list-item;
  width: 100%;
}

.article-toc-list li + li {
  margin-top: var(--spacing-md);
}

.article-toc-list a {
  width: 100%;
  display: inline-block;
  color: var(--gray-700);
  font-size: var(--fs-xl);
  font-weight: 400;
  transition: color 0.2s ease;
  border: none;
  height: 15px;

}

.article-toc-list a:hover {
  background-color: transparent;
  color: var(--color-primary-hover);
}
.article-toc-list a:active {
  color: var(--color-primary-active);
}

/* =========================
   Article Body
   ========================= */
.single-article-body {
  direction: rtl;
  width: 100%;
  color: var(--gray-700);
  font-size: var(--fs-xl);
  font-weight: 400;
  line-height: 2.2;
}

.article-content-block {
  max-width: 48rem;
  margin: 0 auto;
}

.article-content-block + .article-content-block {
  margin-top: calc(var(--spacing-xl) * 3);
}

.article-section-title {
  margin-bottom: calc(var(--spacing-xl) * 1.5);
  color: var(--color-black);
  font-size: calc(var(--fs-h2) + 0.75rem);
  font-weight: 800;
  line-height: 1.7;
}

.article-section-image-wrap {
  margin-bottom: calc(var(--spacing-xl) * 1.5);
  text-align: center;
}

.article-section-image {
  display: inline-block;
  max-width: 100%;
}

.article-section-text {
  color: var(--gray-700);
  font-size: var(--fs-xl);
  font-weight: 400;
  line-height: 2.2;
}

.article-section-text + .article-section-text {
  margin-top: var(--spacing-lg);
}

/* =========================
   Responsive
   ========================= */
@media (min-width: 768px) {
  :root {
    --fs-h1: 2.25rem;
    --fs-h2: 1.875rem;
    --fs-h3: 1.5rem;
    --fs-h4: 1.25rem;
    --fs-h5: 1.125rem;
    --fs-h6: 1rem;
    --fs-body: 1rem;
    --fs-sm: 0.875rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
  }
}

@media (max-width: 1199.98px) {
  .single-article-layout {
    gap: var(--spacing-xl);
  }

  .article-content-block {
    max-width: 44rem;
  }
}

@media (max-width: 991.98px) {
  .single-article-title {
    font-size: calc(var(--fs-h1) + 0.35rem);
  }

  .single-article-layout {
    flex-direction: row;
    gap: calc(var(--spacing-xl) * 1.5);
  }

  .single-article-sidebar {
    position: sticky;
    top: 1rem; /* فاصله از بالای صفحه وقتی استیکی می‌شه، می‌تونید عدد رو تغییر بدید */
    align-self: flex-start; /* اگه parent با flex/grid چیده شده، این لازمه */
    width: 15.625rem;
    min-width: 15.625rem;
    flex: 0 0 15.625rem;
  }

  .single-article-main {
    width: auto;
    flex: 1 1 auto;
  }

  .featured-product-card {
    position: sticky;
    top: 1.5rem;
    max-width: 100%;
    margin: 0;
  }

  .featured-product-image {
    width: 100%;
    height: auto;
    aspect-ratio: 1 / 1;
  }

  .article-toc-box,
  .article-content-block {
    max-width: 100%;
  }
}

@media (max-width: 767.98px) {
  .single-article-hero {
    padding: calc(var(--spacing-xl) * 1.5) 0 calc(var(--spacing-xl) * 2);
  }

  .single-article-title {
    font-size: var(--fs-h2);
    line-height: 1.8;
  }

  .single-article-breadcrumb,
  .single-article-meta {
    font-size: var(--fs-sm);
  }

  .single-article-featured-image {
    margin-bottom: var(--spacing-xl);
    height: 450px;
  }

  .single-article-excerpt p {
    font-size: var(--fs-body);
    line-height: 2.1;
  }

  .single-article-content-section {
    padding: calc(var(--spacing-xl) * 2) 0 calc(var(--spacing-xl) * 3);
  }

  .single-article-layout {
    flex-direction: column-reverse;
    gap: calc(var(--spacing-xl) * 2);
  }

  .single-article-sidebar {
    position: relative;
    width: 100%;
    min-width: 100%;
    flex: 1 1 100%;
  }

  .featured-product-card {
    
    top: auto;
    max-width: 20rem;
    margin: 0 auto;
  }

  .featured-product-progress {
    display: none;
  }

  .article-toc-box {
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-bottom: calc(var(--spacing-xl) * 2);
  }

  .article-toc-title {
    font-size: var(--fs-h3);
  }

  .article-toc-list a {
    font-size: var(--fs-lg);
  }

  .article-section-title {
    font-size: var(--fs-h2);
    margin-bottom: var(--spacing-xl);
  }

  .article-section-text {
    font-size: var(--fs-lg);
    line-height: 2;
  }

  .featured-product-pricing {
    margin-top: calc(var(--spacing-xl) * 3);
  }

  .featured-product-final-price {
    font-size: var(--fs-h2);
  }
}