/* ============================================================
   Blog surface — list, article, and supporting chrome.
   Loaded only on server-rendered blog pages (/blog/…).
   Palette, type, and buttons follow the storefront tokens
   from app-overrides.css: navy #0a2540, link #1d4ed8,
   accent #00c4ff, Inter / Vazirmatn.
   ============================================================ */

:root {
  --bl-ink: #0a2540;
  --bl-ink-soft: #17324f;
  --bl-text: #3c4a5c;
  --bl-muted: #64748b;
  --bl-line: #e6eaf1;
  --bl-line-strong: #d5dce7;
  --bl-surface: #ffffff;
  --bl-surface-soft: #f6f8fc;
  --bl-canvas: #f7f9fd;
  --bl-link: #1d4ed8;
  --bl-accent: #00c4ff;
  --bl-accent-soft: rgba(0, 196, 255, 0.12);
  --bl-shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.05), 0 6px 18px -14px rgba(10, 37, 64, 0.28);
  --bl-shadow-md: 0 2px 4px rgba(10, 37, 64, 0.04), 0 22px 44px -28px rgba(10, 37, 64, 0.42);
  --bl-radius: 14px;
  --bl-radius-lg: 20px;
  --bl-wrap: 1120px;
  --bl-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

html.dark {
  --bl-ink: #eef4ff;
  --bl-ink-soft: #dbe7f8;
  --bl-text: #c2ccda;
  --bl-muted: #94a3b8;
  --bl-line: #26303d;
  --bl-line-strong: #33404f;
  --bl-surface: #131a24;
  --bl-surface-soft: #182130;
  --bl-canvas: #0d131b;
  --bl-link: #93c5fd;
  --bl-accent: #38d0ff;
  --bl-accent-soft: rgba(56, 208, 255, 0.14);
  --bl-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 20px -16px rgba(0, 0, 0, 0.7);
  --bl-shadow-md: 0 2px 6px rgba(0, 0, 0, 0.4), 0 26px 48px -30px rgba(0, 0, 0, 0.8);
}

/* ---------- Base ---------- */

.blog-body {
  margin: 0;
  background: var(--bl-canvas);
  color: var(--bl-text);
  font-family: var(--font-sans-multilang, "Inter", "Vazirmatn", system-ui, sans-serif);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.blog-body h1,
.blog-body h2,
.blog-body h3,
.blog-body p,
.blog-body ul,
.blog-body ol,
.blog-body figure {
  margin: 0;
}

/* Keep element selectors at zero specificity so component classes win. */
:where(.blog-body) a {
  color: inherit;
  text-decoration: none;
}

.blog-body img {
  max-width: 100%;
  height: auto;
  display: block;
}

.blog-body :focus-visible,
.blog-body a:focus-visible,
.blog-body button:focus-visible,
.blog-body input:focus-visible,
.blog-body select:focus-visible,
.blog-body summary:focus-visible {
  outline: 2px solid var(--bl-link);
  outline-offset: 2px;
  border-radius: 6px;
}

.blog-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.blog-skip {
  position: fixed;
  top: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: 200;
  transform: translateY(-160%);
  padding: 0.65rem 1rem;
  border-radius: 10px;
  background: var(--bl-ink);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform 0.18s var(--bl-ease);
}

html.dark .blog-skip {
  background: #eef4ff;
  color: #0a2540;
}

.blog-skip:focus {
  transform: translateY(0);
}

.blog-main {
  display: block;
  min-height: 60vh;
}

.blog-wrap {
  width: 100%;
  max-width: var(--bl-wrap);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
  padding-block: clamp(1.75rem, 4vw, 2.75rem) clamp(2.5rem, 6vw, 4rem);
}

.blog-wrap--article {
  padding-block-start: clamp(1.25rem, 3vw, 2rem);
}

.blog-wrap--narrow {
  max-width: 720px;
  padding-block: clamp(3rem, 8vw, 5.5rem);
}

/* ---------- Header ---------- */

.blog-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--bl-line);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
}

html.dark .blog-header {
  background: rgba(13, 19, 27, 0.86);
}

.blog-header-inner {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  max-width: var(--bl-wrap);
  margin-inline: auto;
  padding: 0.7rem clamp(1rem, 4vw, 2.5rem);
}

.blog-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  color: var(--bl-ink);
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.blog-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  box-shadow: 0 2px 8px -3px rgba(10, 37, 64, 0.45);
}

.blog-brand-name {
  font-size: 1.02rem;
}

.blog-nav {
  display: flex;
  flex-wrap: nowrap !important;
  align-items: center;
  gap: 0.15rem !important;
  margin-inline-end: auto;
  min-width: 0;
  overflow: hidden;
}

.blog-nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.35rem 0.7rem;
  border-radius: 9px;
  color: var(--bl-muted);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.16s var(--bl-ease), background-color 0.16s var(--bl-ease);
}

.blog-nav-link:hover {
  color: var(--bl-ink);
  background: var(--bl-surface-soft);
}

.blog-nav-link.is-current {
  color: var(--bl-ink);
}

.blog-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-inline-start: auto;
}

.blog-lang {
  appearance: none;
  height: 40px;
  max-width: 8.5rem;
  padding: 0 1.75rem 0 0.7rem;
  border: 1px solid var(--bl-line);
  border-radius: 10px;
  background-color: var(--bl-surface);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='16' height='16'%3E%3Cpath fill='%2364748b' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.4rem center;
  color: var(--bl-ink);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

html[dir="rtl"] .blog-lang {
  padding: 0 0.7rem 0 1.75rem;
  background-position: left 0.4rem center;
}

.blog-icon-btn,
.blog-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--bl-line);
  border-radius: 10px;
  background: var(--bl-surface);
  color: var(--bl-ink);
  cursor: pointer;
  transition: background-color 0.16s var(--bl-ease), border-color 0.16s var(--bl-ease);
}

.blog-icon-btn:hover,
.blog-menu-btn:hover {
  background: var(--bl-surface-soft);
  border-color: var(--bl-line-strong);
}

.blog-menu-btn {
  display: none;
}

.blog-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 40px;
  padding: 0 1.05rem;
  border-radius: 10px;
  background: var(--bl-ink);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 8px 18px -12px rgba(10, 37, 64, 0.9);
  transition: transform 0.16s var(--bl-ease), box-shadow 0.16s var(--bl-ease), background-color 0.16s var(--bl-ease);
}

.blog-cta:hover {
  transform: translateY(-1px);
  background: var(--bl-ink-soft);
  box-shadow: 0 12px 22px -12px rgba(10, 37, 64, 0.85);
}

html.dark .blog-cta {
  background: #eef4ff;
  color: #0a2540;
}

html.dark .blog-cta:hover {
  background: #ffffff;
}

.blog-login {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 0.55rem;
  color: var(--bl-muted);
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.blog-login:hover {
  color: var(--bl-ink);
}

.blog-mobile {
  display: none;
  border-bottom: 1px solid var(--bl-line);
  background: var(--bl-surface);
  padding: 0.75rem clamp(1rem, 4vw, 2.5rem) 1.1rem;
}

.blog-mobile[hidden] {
  display: none !important;
}

.blog-mobile-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.25rem;
  border-bottom: 1px solid var(--bl-line);
  color: var(--bl-ink);
  font-size: 0.95rem;
  font-weight: 600;
}

.blog-mobile-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 46px;
  margin-top: 0.9rem;
  border-radius: 10px;
  background: var(--bl-ink);
  color: #fff;
  font-weight: 700;
}

html.dark .blog-mobile-cta {
  background: #eef4ff;
  color: #0a2540;
}

/* ---------- Reading progress ---------- */

.blog-progress {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 70;
  height: 3px;
  background: transparent;
  pointer-events: none;
}

.blog-progress-bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #1d4ed8, var(--bl-accent));
  transition: width 0.1s linear;
}

/* ---------- Hero ---------- */

.blog-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--bl-line);
  background:
    radial-gradient(58rem 24rem at 88% -30%, rgba(0, 196, 255, 0.18), transparent 62%),
    radial-gradient(46rem 22rem at 6% -20%, rgba(29, 78, 216, 0.14), transparent 58%),
    linear-gradient(180deg, #f4f8ff 0%, var(--bl-canvas) 92%);
}

html.dark .blog-hero {
  background:
    radial-gradient(58rem 24rem at 88% -30%, rgba(56, 208, 255, 0.16), transparent 62%),
    radial-gradient(46rem 22rem at 6% -20%, rgba(29, 78, 216, 0.3), transparent 58%),
    linear-gradient(180deg, #0f1826 0%, var(--bl-canvas) 92%);
}

.blog-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(10, 37, 64, 0.09) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(120% 90% at 70% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(120% 90% at 70% 0%, #000 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.55;
}

html.dark .blog-hero::after {
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
}

.blog-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--bl-wrap);
  margin-inline: auto;
  padding: clamp(1.5rem, 4vw, 2.25rem) clamp(1rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3rem);
}

.blog-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
  color: var(--bl-muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.blog-crumb {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
}

.blog-crumb:hover {
  color: var(--bl-ink);
}

.blog-crumb.is-current {
  color: var(--bl-ink);
  font-weight: 600;
}

.blog-crumb-sep {
  opacity: 0.55;
}

.blog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  color: var(--bl-link);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

html.dark .blog-eyebrow {
  color: var(--bl-accent);
}

.blog-eyebrow a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bl-accent);
  box-shadow: 0 0 0 4px var(--bl-accent-soft);
}

.blog-eyebrow--center {
  justify-content: center;
}

.blog-h1 {
  max-width: 20ch;
  color: var(--bl-ink);
  font-size: clamp(2.05rem, 1.25rem + 3vw, 3.35rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.032em;
  text-wrap: balance;
}

.blog-lead {
  max-width: 62ch;
  margin-top: 1rem;
  color: var(--bl-text);
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.13rem);
  line-height: 1.72;
}

.blog-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.blog-stat {
  display: flex;
  align-items: baseline;
  gap: 0.42rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--bl-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--bl-shadow-sm);
}

html.dark .blog-stat {
  background: rgba(19, 26, 36, 0.75);
}

.blog-stat-value {
  color: var(--bl-ink);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

.blog-stat-value--text {
  font-size: 0.86rem;
}

.blog-stat-label {
  color: var(--bl-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- Toolbar: chips + search ---------- */

.blog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  padding: 0.7rem;
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: var(--bl-surface);
  box-shadow: var(--bl-shadow-sm);
}

.blog-chips {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.1rem;
}

.blog-chips::-webkit-scrollbar {
  display: none;
}

.blog-chip {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: 38px;
  padding: 0 0.85rem;
  border: 1px solid transparent;
  border-radius: 9px;
  background: var(--bl-surface-soft);
  color: var(--bl-text);
  font-size: 0.83rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color 0.16s var(--bl-ease), color 0.16s var(--bl-ease), border-color 0.16s var(--bl-ease);
}

.blog-chip:hover {
  color: var(--bl-ink);
  background: var(--bl-accent-soft);
}

.blog-chip.is-active {
  border-color: var(--bl-ink);
  background: var(--bl-ink);
  color: #fff;
}

html.dark .blog-chip.is-active {
  border-color: #eef4ff;
  background: #eef4ff;
  color: #0a2540;
}

.blog-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-inline-start: auto;
  min-width: 260px;
  flex: 1 1 260px;
  max-width: 420px;
}

.blog-search-icon {
  position: absolute;
  inset-inline-start: 0.7rem;
  display: inline-flex;
  color: var(--bl-muted);
  pointer-events: none;
}

.blog-search-input {
  width: 100%;
  height: 42px;
  padding: 0 0.85rem;
  padding-inline-start: 2.35rem;
  border: 1px solid var(--bl-line);
  border-radius: 10px;
  background: var(--bl-surface-soft);
  color: var(--bl-ink);
  font-family: inherit;
  font-size: 0.88rem;
  transition: border-color 0.16s var(--bl-ease), box-shadow 0.16s var(--bl-ease);
}

.blog-search-input::placeholder {
  color: var(--bl-muted);
}

.blog-search-input:focus {
  outline: none;
  border-color: var(--bl-link);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.14);
}

.blog-search-btn {
  height: 42px;
  padding: 0 1rem;
  border: 0;
  border-radius: 10px;
  background: var(--bl-ink);
  color: #fff;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.16s var(--bl-ease), transform 0.16s var(--bl-ease);
}

.blog-search-btn:hover {
  background: var(--bl-ink-soft);
  transform: translateY(-1px);
}

html.dark .blog-search-btn {
  background: #eef4ff;
  color: #0a2540;
}

.blog-results-note {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
  color: var(--bl-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.blog-results-count {
  color: var(--bl-ink);
  font-weight: 700;
}

/* ---------- Featured card ---------- */

.blog-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 0;
  overflow: hidden;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius-lg);
  background: var(--bl-surface);
  box-shadow: var(--bl-shadow-sm);
  transition: transform 0.24s var(--bl-ease), box-shadow 0.24s var(--bl-ease), border-color 0.24s var(--bl-ease);
}

.blog-feature:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 78, 216, 0.28);
  box-shadow: var(--bl-shadow-md);
}

.blog-feature-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  min-height: 240px;
  overflow: hidden;
  background: linear-gradient(135deg, #0a2540, #1d4ed8 60%, #00c4ff);
}

.blog-feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--bl-ease);
}

.blog-feature:hover .blog-feature-media img {
  transform: scale(1.035);
}

.blog-feature-badge {
  position: absolute;
  top: 0.9rem;
  inset-inline-start: 0.9rem;
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 0.65rem;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.92);
  color: #0a2540;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  box-shadow: 0 4px 14px -8px rgba(10, 37, 64, 0.8);
}

.blog-feature-body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.15rem, 2.6vw, 2rem);
}

.blog-feature-kicker {
  color: var(--bl-link);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.blog-feature-title {
  display: block;
  color: var(--bl-ink);
  font-size: clamp(1.3rem, 1rem + 1.1vw, 1.85rem);
  font-weight: 850;
  line-height: 1.22;
  letter-spacing: -0.022em;
  text-wrap: balance;
}

.blog-feature-excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  color: var(--bl-text);
  font-size: 0.94rem;
  line-height: 1.65;
}

.blog-feature-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--bl-line);
  color: var(--bl-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.blog-read-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--bl-link);
  font-weight: 700;
}

.blog-arrow {
  display: inline-block;
  transition: transform 0.2s var(--bl-ease);
}

.blog-feature:hover .blog-arrow,
.blog-card:hover .blog-arrow,
.blog-related-all:hover .blog-arrow {
  transform: translateX(3px);
}

html[dir="rtl"] .blog-arrow {
  transform: scaleX(-1);
}

html[dir="rtl"] .blog-feature:hover .blog-arrow,
html[dir="rtl"] .blog-card:hover .blog-arrow,
html[dir="rtl"] .blog-related-all:hover .blog-arrow {
  transform: scaleX(-1) translateX(-3px);
}

/* ---------- Card grid ---------- */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: clamp(1rem, 2vw, 1.4rem);
}

.blog-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: var(--bl-surface);
  box-shadow: var(--bl-shadow-sm);
  transition: transform 0.22s var(--bl-ease), box-shadow 0.22s var(--bl-ease), border-color 0.22s var(--bl-ease);
}

.blog-card:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 78, 216, 0.28);
  box-shadow: var(--bl-shadow-md);
}

.blog-card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #0a2540, #1d4ed8 60%, #00c4ff);
}

.blog-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--bl-ease);
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.04);
}

.blog-card-cat {
  position: absolute;
  bottom: 0.65rem;
  inset-inline-start: 0.65rem;
  display: inline-flex;
  align-items: center;
  max-width: calc(100% - 1.3rem);
  height: 26px;
  padding: 0 0.6rem;
  border-radius: 7px;
  background: rgba(10, 37, 64, 0.82);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  backdrop-filter: blur(4px);
}

.blog-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  padding: 1rem 1.05rem 1.1rem;
}

.blog-card-title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  color: var(--bl-ink);
  font-size: 1.03rem;
  font-weight: 750;
  line-height: 1.35;
  letter-spacing: -0.012em;
}

.blog-card-excerpt {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  color: var(--bl-text);
  font-size: 0.875rem;
  line-height: 1.62;
}

.blog-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.7rem;
  border-top: 1px solid var(--bl-line);
  color: var(--bl-muted);
  font-size: 0.76rem;
  font-weight: 600;
}

.blog-card-time {
  white-space: nowrap;
}

.blog-media-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 160px;
  color: rgba(255, 255, 255, 0.9);
}

/* ---------- Empty state & pagination ---------- */

.blog-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  padding: clamp(2rem, 6vw, 3.5rem) 1.25rem;
  border: 1px dashed var(--bl-line-strong);
  border-radius: var(--bl-radius-lg);
  background: var(--bl-surface);
  text-align: center;
}

.blog-empty--page {
  border-style: solid;
  box-shadow: var(--bl-shadow-sm);
}

.blog-empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 18px;
  background: var(--bl-accent-soft);
  color: var(--bl-link);
}

.blog-empty-text {
  max-width: 42ch;
  color: var(--bl-text);
  font-size: 0.95rem;
}

.blog-empty-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.blog-error-code {
  color: var(--bl-ink);
  font-size: clamp(3rem, 8vw, 4.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, #1d4ed8, var(--bl-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.blog-error-title {
  color: var(--bl-ink);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.blog-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.blog-page {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  min-height: 42px;
  padding: 0 0.75rem;
  border: 1px solid var(--bl-line);
  border-radius: 10px;
  background: var(--bl-surface);
  color: var(--bl-text);
  font-size: 0.86rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  transition: border-color 0.16s var(--bl-ease), color 0.16s var(--bl-ease), background-color 0.16s var(--bl-ease);
}

.blog-page:hover {
  border-color: var(--bl-line-strong);
  color: var(--bl-ink);
  background: var(--bl-surface-soft);
}

.blog-page.is-current {
  border-color: var(--bl-ink);
  background: var(--bl-ink);
  color: #fff;
}

html.dark .blog-page.is-current {
  border-color: #eef4ff;
  background: #eef4ff;
  color: #0a2540;
}

.blog-page--nav {
  gap: 0.3rem;
  color: var(--bl-muted);
}

/* ---------- Articles ---------- */

.blog-article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 288px;
  align-items: start;
  gap: clamp(1.5rem, 4vw, 3.25rem);
}

.blog-article {
  min-width: 0;
}

.blog-article-head {
  margin-bottom: clamp(1.1rem, 3vw, 1.6rem);
}

.blog-article-title {
  max-width: 26ch;
  margin-top: 0.35rem;
  color: var(--bl-ink);
  font-size: clamp(1.85rem, 1.2rem + 2.2vw, 2.85rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.blog-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.1rem;
  margin-top: 1.15rem;
  color: var(--bl-muted);
  font-size: 0.83rem;
  font-weight: 500;
}

.blog-author {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.blog-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a2540, #1d4ed8 70%, #00c4ff);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 6px 16px -10px rgba(10, 37, 64, 0.9);
}

.blog-author-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.blog-author-label {
  color: var(--bl-muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.blog-author-name {
  color: var(--bl-ink);
  font-size: 0.85rem;
  font-weight: 700;
}

.blog-meta-sep {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.blog-meta-sep time {
  color: var(--bl-text);
  font-weight: 600;
}

.blog-cover-wrap {
  overflow: hidden;
  margin: 0 0 clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius-lg);
  box-shadow: var(--bl-shadow-md);
  background: var(--bl-surface-soft);
}

.blog-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- Table of contents ---------- */

.blog-toc {
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background: var(--bl-surface);
  box-shadow: var(--bl-shadow-sm);
}

.blog-toc--sticky {
  position: sticky;
  top: 84px;
  padding: 1rem 1.05rem;
}

.blog-toc-title {
  color: var(--bl-ink);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-toc-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin: 0.6rem 0 0;
  padding: 0;
  list-style: none;
  max-height: calc(100vh - 220px);
  overflow-y: auto;
}

.blog-toc-link {
  display: block;
  padding: 0.38rem 0.5rem;
  border-inline-start: 2px solid var(--bl-line);
  color: var(--bl-text);
  font-size: 0.82rem;
  line-height: 1.45;
  transition: color 0.16s var(--bl-ease), border-color 0.16s var(--bl-ease), background-color 0.16s var(--bl-ease);
}

.blog-toc-link:hover {
  color: var(--bl-ink);
  background: var(--bl-surface-soft);
}

.blog-toc-link.is-active {
  border-inline-start-color: var(--bl-link);
  color: var(--bl-ink);
  font-weight: 700;
}

.blog-toc--mobile {
  display: none;
  margin-bottom: 1.5rem;
  padding: 0.85rem 1rem;
}

.blog-toc-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 32px;
  color: var(--bl-ink);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.blog-toc-summary::-webkit-details-marker {
  display: none;
}

.blog-toc-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 0.4rem;
  border-radius: 999px;
  background: var(--bl-accent-soft);
  color: var(--bl-link);
  font-size: 0.75rem;
  font-weight: 800;
}

.blog-aside-card {
  margin-top: 1rem;
  padding: 1.1rem;
  border: 1px solid var(--bl-line);
  border-radius: var(--bl-radius);
  background:
    radial-gradient(16rem 8rem at 100% 0%, rgba(0, 196, 255, 0.14), transparent 70%),
    var(--bl-surface);
  box-shadow: var(--bl-shadow-sm);
}

.blog-aside-title {
  color: var(--bl-ink);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.blog-aside-body {
  margin-top: 0.4rem;
  color: var(--bl-text);
  font-size: 0.83rem;
  line-height: 1.6;
}

/* ---------- Prose ---------- */

.blog-prose {
  max-width: 72ch;
  color: var(--bl-text);
  font-size: 1.02rem;
  line-height: 1.82;
}

.blog-prose > * + * {
  margin-top: 1.05rem;
}

.blog-prose p {
  margin: 0;
  color: var(--bl-text);
}

.blog-prose h2 {
  margin-top: clamp(2rem, 4vw, 2.65rem);
  margin-bottom: 0.7rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--bl-line);
  color: var(--bl-ink);
  font-size: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  font-weight: 850;
  line-height: 1.3;
  letter-spacing: -0.018em;
  scroll-margin-top: 92px;
}

.blog-prose h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.blog-prose h3 {
  margin-top: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--bl-ink);
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.35;
  scroll-margin-top: 92px;
}

.blog-prose a {
  color: var(--bl-link);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s var(--bl-ease);
}

.blog-prose a:hover {
  color: #1e40af;
}

html.dark .blog-prose a:hover {
  color: #bfdbfe;
}

.blog-prose strong {
  color: var(--bl-ink);
  font-weight: 750;
}

.blog-prose em {
  font-style: italic;
}

.blog-prose ul,
.blog-prose ol {
  margin: 0;
  padding-inline-start: 1.35rem;
}

.blog-prose ul {
  list-style: disc;
}

.blog-prose ol {
  list-style: decimal;
}

html[lang="fa"] .blog-prose ol {
  list-style: persian;
}

.blog-prose li {
  margin-bottom: 0.4rem;
  padding-inline-start: 0.2rem;
}

.blog-prose li::marker {
  color: var(--bl-link);
  font-weight: 700;
}

.blog-prose li > ul,
.blog-prose li > ol {
  margin-top: 0.4rem;
}

.blog-prose blockquote {
  margin: 0;
  padding: 0.9rem 1.1rem;
  border-inline-start: 3px solid var(--bl-accent);
  border-radius: 0 10px 10px 0;
  background: var(--bl-accent-soft);
  color: var(--bl-ink-soft);
  font-size: 0.98rem;
}

html[dir="rtl"] .blog-prose blockquote {
  border-radius: 10px 0 0 10px;
}

.blog-prose blockquote p {
  color: inherit;
}

.blog-prose code {
  padding: 0.12rem 0.35rem;
  border-radius: 6px;
  background: var(--bl-surface-soft);
  border: 1px solid var(--bl-line);
  color: var(--bl-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.86em;
  word-break: break-word;
}

.blog-prose pre {
  overflow-x: auto;
  margin: 0;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  background: #0a2540;
  color: #e8f1ff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.65;
}

.blog-prose pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

.blog-prose img {
  border-radius: 12px;
  border: 1px solid var(--bl-line);
}

.blog-prose hr {
  height: 1px;
  margin: 2rem 0;
  border: 0;
  background: var(--bl-line);
}

.blog-prose .blog-table,
.blog-prose > .blog-table {
  overflow-x: auto;
  border: 1px solid var(--bl-line);
  border-radius: 12px;
  background: var(--bl-surface);
  box-shadow: var(--bl-shadow-sm);
  -webkit-overflow-scrolling: touch;
}

.blog-prose table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.blog-prose th,
.blog-prose td {
  padding: 0.62rem 0.8rem;
  border-bottom: 1px solid var(--bl-line);
  text-align: start;
  vertical-align: top;
  line-height: 1.55;
}

.blog-prose th {
  background: var(--bl-surface-soft);
  color: var(--bl-ink);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.blog-prose tr:last-child td {
  border-bottom: 0;
}

.blog-prose tbody tr:hover td {
  background: rgba(0, 196, 255, 0.05);
}

/* ---------- Share, CTA, related ---------- */

.blog-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-top: clamp(1.75rem, 4vw, 2.4rem);
  padding-top: 1.35rem;
  border-top: 1px solid var(--bl-line);
}

.blog-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 44px;
  padding: 0 1.1rem;
  border: 1px solid var(--bl-line);
  border-radius: 10px;
  background: var(--bl-surface);
  color: var(--bl-ink);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.16s var(--bl-ease), background-color 0.16s var(--bl-ease), border-color 0.16s var(--bl-ease), box-shadow 0.16s var(--bl-ease);
}

.blog-btn:hover {
  transform: translateY(-1px);
  background: var(--bl-surface-soft);
  border-color: var(--bl-line-strong);
}

.blog-btn--ghost {
  background: transparent;
  color: var(--bl-text);
}

.blog-btn--primary,
.blog-btn--solid {
  border-color: transparent;
  background: var(--bl-ink);
  color: #fff;
  box-shadow: 0 10px 22px -16px rgba(10, 37, 64, 0.95);
}

.blog-btn--primary:hover,
.blog-btn--solid:hover {
  background: var(--bl-ink-soft);
  color: #fff;
}

html.dark .blog-btn--primary,
html.dark .blog-btn--solid {
  background: #eef4ff;
  color: #0a2540;
}

html.dark .blog-btn--primary:hover,
html.dark .blog-btn--solid:hover {
  background: #ffffff;
  color: #0a2540;
}

.blog-btn--outline {
  border-color: rgba(255, 255, 255, 0.35);
  background: transparent;
  color: #fff;
}

.blog-btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.blog-btn--block {
  width: 100%;
  margin-top: 0.85rem;
}

.blog-cta-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: clamp(1.3rem, 3vw, 1.9rem);
  border-radius: var(--bl-radius-lg);
  background:
    radial-gradient(30rem 16rem at 92% -30%, rgba(0, 196, 255, 0.5), transparent 65%),
    linear-gradient(135deg, #0a2540 0%, #123a63 55%, #1d4ed8 100%);
  color: #eaf3ff;
  box-shadow: 0 26px 50px -34px rgba(10, 37, 64, 0.95);
}

.blog-cta-kicker {
  margin-bottom: 0.4rem;
  color: rgba(234, 243, 255, 0.72);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.blog-cta-title {
  margin: 0;
  color: #fff;
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.45rem);
  font-weight: 850;
  letter-spacing: -0.02em;
}

.blog-cta-body {
  margin-top: 0.35rem;
  max-width: 44ch;
  color: rgba(234, 243, 255, 0.82);
  font-size: 0.9rem;
  line-height: 1.6;
}

.blog-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.blog-cta-actions .blog-btn--solid {
  background: #fff;
  color: #0a2540;
}

.blog-cta-actions .blog-btn--solid:hover {
  background: #eef4ff;
  color: #0a2540;
}

.blog-back {
  margin-top: 1.5rem;
}

.blog-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 40px;
  color: var(--bl-muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.blog-back-link:hover {
  color: var(--bl-ink);
}

.blog-related {
  margin-top: clamp(2.25rem, 5vw, 3.25rem);
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--bl-line);
}

.blog-related-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}

.blog-related-title {
  margin: 0;
  color: var(--bl-ink);
  font-size: 1.25rem;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.blog-related-all {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--bl-link);
  font-size: 0.86rem;
  font-weight: 700;
}

/* ---------- Footer ---------- */

.blog-footer {
  margin-top: auto;
  border-top: 1px solid var(--bl-line);
  background: var(--bl-surface);
}

.blog-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1.6fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  max-width: var(--bl-wrap);
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 3rem) clamp(1rem, 4vw, 2.5rem) clamp(1.5rem, 4vw, 2rem);
}

.blog-footer-brand {
  max-width: 34ch;
}

.blog-footer-tagline {
  margin-top: 0.7rem;
  color: var(--bl-muted);
  font-size: 0.87rem;
  line-height: 1.65;
}

.blog-footer-rss {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
  min-height: 36px;
  color: var(--bl-link);
  font-size: 0.82rem;
  font-weight: 700;
}

.blog-footer-rss:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.blog-footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.blog-footer-title {
  margin: 0 0 0.45rem;
  color: var(--bl-ink);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-footer-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  color: var(--bl-muted);
  font-size: 0.86rem;
  font-weight: 500;
  width: fit-content;
}

.blog-footer-link:hover {
  color: var(--bl-ink);
}

.blog-footer-bottom {
  max-width: var(--bl-wrap);
  margin-inline: auto;
  padding: 1.1rem clamp(1rem, 4vw, 2.5rem) 1.6rem;
  border-top: 1px solid var(--bl-line);
  color: var(--bl-muted);
  font-size: 0.8rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .blog-nav {
    display: none;
  }

  .blog-menu-btn {
    display: inline-flex;
  }

  .blog-mobile:not([hidden]) {
    display: flex;
    flex-direction: column;
  }

  .blog-article-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-article-aside {
    display: none;
  }

  .blog-toc--mobile {
    display: block;
  }

  .blog-footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 860px) {
  .blog-feature {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-feature-media,
  .blog-feature-media img {
    min-height: 210px;
  }

  .blog-toolbar {
    align-items: stretch;
  }

  .blog-search {
    margin-inline-start: 0;
    max-width: none;
  }
}

@media (max-width: 720px) {
  .blog-login {
    display: none;
  }

  .blog-cta {
    display: none;
  }

  .blog-header-actions {
    gap: 0.4rem;
  }

  .blog-article-meta {
    gap: 0.45rem 0.85rem;
    font-size: 0.79rem;
  }

  .blog-prose {
    font-size: 1rem;
    line-height: 1.78;
  }

  .blog-prose table {
    min-width: 420px;
    font-size: 0.85rem;
  }

  .blog-cta-card {
    align-items: flex-start;
  }

  .blog-cta-actions {
    width: 100%;
  }

  .blog-cta-actions .blog-btn {
    flex: 1 1 auto;
  }

  .blog-footer-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.25rem;
  }
}

@media (max-width: 520px) {
  .blog-brand-name {
    font-size: 0.95rem;
  }

  .blog-lang {
    max-width: 6.5rem;
    font-size: 0.76rem;
  }

  .blog-h1 {
    max-width: none;
  }

  .blog-stat {
    padding: 0.4rem 0.7rem;
  }

  .blog-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-footer-cols {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-card,
  .blog-feature,
  .blog-card-media img,
  .blog-feature-media img,
  .blog-arrow,
  .blog-btn,
  .blog-cta {
    transition: none !important;
  }

  .blog-card:hover,
  .blog-feature:hover,
  .blog-btn:hover {
    transform: none;
  }
}