/* ============================================================
   ScanFlow Article + Blog CSS
   Extends landing.css. Reuses --bg, --text, --accent-*, etc.
   ============================================================ */

/* Reset article-specific margins (the body is shared with landing) */

.article-page {
  min-height: 100vh;
}

/* ────────────── Listing page ────────────── */

.blog-hero {
  padding: 120px 0 56px;
  position: relative;
}

.blog-hero .container { position: relative; }

.blog-eyebrow {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.blog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.blog-hero .sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-dim);
  max-width: 640px;
  margin-bottom: 40px;
}

.blog-tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 56px;
}

.blog-tag-chip {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  background: var(--surface-tint);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  text-transform: lowercase;
}

.blog-tag-chip:hover {
  border-color: var(--border-lit);
  color: var(--text);
}

.blog-tag-chip[aria-pressed="true"] {
  background: var(--accent-blue);
  color: var(--on-accent);
  border-color: var(--accent-blue);
}

/* Bento-like grid for cards */
.blog-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-auto-rows: minmax(180px, auto);
  gap: 16px;
  padding-bottom: 80px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 24px 26px 22px;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--border-lit);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.blog-card--featured { grid-column: 1; }
.blog-card--full { grid-column: 1 / -1; }

.blog-card-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.blog-card-tag {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(59,130,246,0.10);
  padding: 3px 8px;
  border-radius: 100px;
}

.blog-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 10px;
  color: var(--text);
}

.blog-card--featured h3,
.blog-card--full h3 { font-size: 30px; }

.blog-card-desc {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-dim);
  margin-bottom: 18px;
  flex: 1;
}

.blog-card-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.blog-card-meta b { color: var(--text); font-weight: 600; }

@media (max-width: 920px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card--featured h3,
  .blog-card--full h3 { font-size: 24px; }
}

/* ────────────── Article page ────────────── */

.article-hero {
  padding: 120px 0 36px;
  position: relative;
}

.article-hero .container { position: relative; }

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
  text-transform: lowercase;
}

.article-breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px dotted var(--border-lit);
}

.article-breadcrumb a:hover { color: var(--accent-blue); }

.article-breadcrumb-sep { opacity: 0.5; }

.article-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.article-tag {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(59,130,246,0.10);
  border: 1px solid rgba(59,130,246,0.18);
  padding: 4px 12px;
  border-radius: 100px;
}

.article-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
  max-width: 820px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.article-meta .sep { opacity: 0.4; }
.article-meta b { color: var(--text); font-weight: 600; }

/* Reading-progress bar */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--gradient);
  z-index: 1200;
  transition: width 0.1s linear;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) { .read-progress { display: none; } }

/* Two-column article body on desktop */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 740px) 220px;
  gap: 56px;
  padding: 32px 0 80px;
  align-items: flex-start;
}

@media (max-width: 1100px) {
  .article-layout { grid-template-columns: 1fr; gap: 0; }
  .article-toc { display: none; }
  .article-toc-mobile { display: block; }
}

@media (min-width: 1101px) {
  .article-toc-mobile { display: none; }
}

.article-toc {
  position: sticky;
  top: 100px;
  font-size: 13px;
  line-height: 1.7;
}

.article-toc-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
}

.article-toc ol,
.article-toc-mobile ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

.article-toc li,
.article-toc-mobile li { padding: 4px 0; }

.article-toc a,
.article-toc-mobile a {
  color: var(--text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 10px;
  display: block;
  transition: var(--transition);
}

.article-toc a:hover { color: var(--accent-blue); border-left-color: var(--accent-blue); }
.article-toc a.current { color: var(--text); border-left-color: var(--accent-blue); }

.article-toc-mobile {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 32px;
}

.article-toc-mobile summary {
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  list-style: none;
}

.article-toc-mobile summary::-webkit-details-marker { display: none; }
.article-toc-mobile summary::after { content: '↓'; float: right; transition: var(--transition); }
.article-toc-mobile[open] summary::after { transform: rotate(180deg); }

/* Prose */
.article-prose {
  font-size: 17px;
  line-height: 1.78;
  color: var(--text);
  max-width: 740px;
}

.article-prose p { margin-bottom: 1.2em; }
.article-prose p:last-child { margin-bottom: 0; }

.article-prose > p:first-of-type {
  font-size: 19px;
  color: var(--text-dim);
  line-height: 1.65;
  margin-bottom: 1.6em;
}

.article-prose h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 56px 0 18px;
  color: var(--text);
  scroll-margin-top: 100px;
}

.article-prose h3 {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 32px 0 12px;
  color: var(--text);
  scroll-margin-top: 100px;
}

.article-prose a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.article-prose a:hover { text-decoration-thickness: 2px; }

.article-prose ul, .article-prose ol {
  padding-left: 22px;
  margin-bottom: 1.2em;
}
.article-prose ul li { list-style: none; position: relative; }
.article-prose ul li::before {
  content: '';
  position: absolute;
  left: -16px;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
}
.article-prose ol { list-style: decimal; }
.article-prose ol li::marker { color: var(--accent-blue); font-weight: 700; }

.article-prose strong, .article-prose b { color: var(--text); font-weight: 600; }

.article-prose code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--surface-tint);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
}

.article-prose pre {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: var(--radius);
  padding: 16px 20px;
  overflow-x: auto;
  margin: 1.4em 0;
  font-size: 13.5px;
  line-height: 1.6;
}

.article-prose pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: #e2e8f0;
  font-size: inherit;
}

.article-prose blockquote {
  border-left: 3px solid var(--accent-blue);
  padding-left: 18px;
  margin: 1.4em 0;
  color: var(--text-dim);
  font-style: italic;
}

.article-prose img { max-width: 100%; height: auto; border-radius: var(--radius); }

.article-prose figure { margin: 1.6em 0; }
.article-prose figcaption {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 8px;
  font-style: italic;
}

/* Callouts */
.callout {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius);
  border-left: 3px solid var(--accent-blue);
  background: rgba(59,130,246,0.06);
  margin: 1.4em 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
}

.callout--tip  { border-left-color: var(--accent-green); background: rgba(6,214,160,0.08); }
.callout--warn { border-left-color: #fb923c;            background: rgba(251,146,60,0.10); }
.callout--info { border-left-color: var(--accent-blue); background: rgba(59,130,246,0.06); }

.callout-icon { font-size: 22px; line-height: 1; padding-top: 2px; }

.callout p { margin: 0; }
.callout p + p { margin-top: 0.6em; }

/* Pull-quote */
.pull-quote {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 2em 0;
  padding: 0 0 0 36px;
  position: relative;
  max-width: 700px;
}

.pull-quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -8px;
  font-size: 60px;
  color: var(--accent-blue);
  line-height: 1;
}

/* Article footer */
.article-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 80px;
}

.article-cta {
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(6,214,160,0.06));
  border: 1px solid var(--border-lit);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  text-align: center;
  margin-bottom: 56px;
}

.article-cta h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.article-cta p {
  color: var(--text-dim);
  margin-bottom: 24px;
}

.related-articles h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  color: var(--text);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
  .article-prose h2 { font-size: 24px; }
  .article-cta { padding: 24px 20px; }
}

/* Decorative paper props on article hero (subtle, only 2) */
.article-hero .hero-papers .paper { opacity: 0.35; }
[data-theme="light"] .article-hero .hero-papers .paper { opacity: 0.45; }

/* Landing blog-preview section */
.blog-preview-section {
  padding: 100px 0 56px;
  position: relative;
}

.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 48px 0 32px;
}

@media (max-width: 920px) {
  .blog-preview-grid { grid-template-columns: 1fr; }
}

.blog-preview-cta {
  text-align: center;
  margin-top: 24px;
}

/* ============================================================
   Compare blog article — matrix, cards, summary
   Используется только внутри статьи /blog/scanflow-vs-rossiyskie-ocr-servisy.
   ============================================================ */

.compare-bottom-line {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0 32px;
  padding: 18px 22px;
  background: linear-gradient(90deg, rgba(6,214,160,0.10), rgba(59,130,246,0.10));
  border: 1px solid rgba(6,214,160,0.35);
  border-radius: 12px;
}
[data-theme="light"] .compare-bottom-line {
  background: linear-gradient(90deg, rgba(6,214,160,0.10), rgba(59,130,246,0.08));
}
.compare-bottom-line__icon {
  font-size: 32px;
  flex-shrink: 0;
}
.compare-bottom-line__text {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
}
.compare-bottom-line__text strong {
  color: var(--accent-green);
  font-weight: 700;
}

/* === Feature matrix === */
.compare-matrix-wrap {
  margin: 24px -8px 40px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow-x: auto;
  background: var(--bg-card);
}
.compare-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compare-matrix th, .compare-matrix td {
  padding: 11px 12px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.compare-matrix th:last-child, .compare-matrix td:last-child { border-right: none; }
.compare-matrix tr:last-child td { border-bottom: none; }
.compare-matrix thead th {
  background: var(--surface-tint);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-top: 14px;
  padding-bottom: 14px;
}
.compare-matrix thead th:first-child {
  text-align: left;
  padding-left: 18px;
  text-transform: none;
  font-size: 13px;
}
.compare-matrix tbody td:first-child {
  text-align: left;
  padding-left: 18px;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}
.compare-num {
  display: inline-block;
  width: 22px; height: 22px;
  background: var(--surface-tint-strong);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
  line-height: 22px;
  text-align: center;
  margin-right: 10px;
}
.cmp-yes { color: var(--accent-green); font-size: 17px; font-weight: 700; }
.cmp-mid { color: var(--accent-orange); font-size: 17px; font-weight: 700; }
.cmp-no { color: var(--text-muted); font-size: 17px; }
.compare-matrix tr.compare-matrix__us td {
  background: linear-gradient(90deg, rgba(6,214,160,0.10), rgba(59,130,246,0.10));
  font-weight: 700;
}
.compare-matrix tr.compare-matrix__us td:first-child { color: var(--accent-green); }
.compare-matrix__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  font-size: 12px;
  color: var(--text-dim);
}
.compare-matrix__legend b { color: var(--text); margin-right: 4px; }

/* === Competitor cards grid === */
.compare-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 24px -8px 40px;
}
@media (max-width: 720px) {
  .compare-cards { grid-template-columns: 1fr; }
}
.compare-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  transition: border-color 0.15s ease;
}
.compare-card:hover { border-color: var(--border-lit); }
.compare-card__head {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.compare-card__num {
  width: 28px; height: 28px;
  background: var(--surface-tint-strong);
  color: var(--text-dim);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.compare-card__title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.compare-card__title strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.005em;
}
.compare-card__title a {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-muted);
  text-decoration: none;
}
.compare-card__title a:hover { color: var(--accent-blue); }
.compare-card__price {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-blue);
  padding: 4px 10px;
  background: rgba(59,130,246,0.10);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 8px;
  white-space: nowrap;
}
.compare-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.compare-card li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.5;
  margin-bottom: 5px;
  color: var(--text-dim);
}
.compare-card li b {
  font-weight: 700;
}
.compare-card li.plus b { color: var(--accent-green); }
.compare-card li.minus b { color: var(--text-muted); }

/* ScanFlow card highlighted */
.compare-card--us {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(6,214,160,0.08) 0%, rgba(59,130,246,0.08) 100%);
  border: 1px solid rgba(6,214,160,0.40);
  padding: 22px 24px;
}
.compare-card__num--us {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #3b82f6, #06d6a0);
  color: #fff;
  font-size: 16px;
}
.compare-card--us .compare-card__title strong {
  color: var(--accent-green);
  font-size: 17px;
}
.compare-card__price--us {
  background: linear-gradient(135deg, #3b82f6, #06d6a0);
  color: #fff;
  border-color: transparent;
  font-size: 12.5px;
}

/* === Mini comparison table (free + 1c) === */
.compare-mini-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px;
  font-size: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.compare-mini-table th,
.compare-mini-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare-mini-table tr:last-child td { border-bottom: none; }
.compare-mini-table thead th {
  background: var(--surface-tint);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.compare-mini-table tbody td { color: var(--text); }
.compare-mini-table .cmp-yes,
.compare-mini-table .cmp-mid,
.compare-mini-table .cmp-no {
  font-size: 13px;
  padding: 3px 8px;
  border-radius: 6px;
  display: inline-block;
}
.compare-mini-table .cmp-yes { background: rgba(6,214,160,0.12); color: var(--accent-green); }
.compare-mini-table .cmp-mid { background: rgba(251,146,60,0.12); color: var(--accent-orange); }

/* === Strategy box (numbered list with gradient circles) === */
.compare-strategy {
  margin: 18px 0 24px;
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.compare-strategy ol {
  list-style: none;
  counter-reset: cmp-strat;
  padding: 0;
  margin: 0;
}
.compare-strategy li {
  counter-increment: cmp-strat;
  padding-left: 52px;
  position: relative;
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dim);
}
.compare-strategy li:last-child { margin-bottom: 0; }
.compare-strategy li::before {
  content: counter(cmp-strat);
  position: absolute;
  left: 0;
  top: -2px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #06d6a0);
  color: #fff;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.compare-strategy li b { color: var(--text); font-weight: 700; }