/* Откликс Блог — в стиле лендинга otclicks.ru */
:root {
  --otk-blue: #0037ff;
  --otk-blue-soft: #e8efff;
  --otk-blue-hover: #002ed6;
  --otk-text: #0b1220;
  --otk-muted: #6b7280;
  --otk-muted-2: #9ca3af;
  --otk-border: #e5e7eb;
  --otk-card: #fff;
  --otk-bg: #fff;
  --otk-grid: 75rem;
  --otk-gutter: 1rem;
  --blog-radius: 1.1rem;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

body.blog-body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--otk-text);
  background: #fff;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}

a { color: var(--otk-blue); text-decoration: none; }
a:hover { color: var(--otk-blue-hover); }

.blog-wrap {
  width: min(var(--otk-grid), calc(100% - (var(--otk-gutter) * 2)));
  margin: 0 auto;
}

/* —— Header (как на лендинге) —— */
.blog-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
}
.blog-header.is-scrolled {
  border-bottom-color: var(--otk-border);
}
.blog-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.85rem 0 1.1rem;
}
.blog-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--otk-text);
  text-decoration: none;
}
.blog-logo img {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: block;
  object-fit: contain;
}
.blog-logo span {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.blog-nav {
  display: flex;
  gap: 1.15rem;
  align-items: center;
}
.blog-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: #4b5563;
  text-decoration: none;
}
.blog-nav a.is-active,
.blog-nav a:hover {
  color: var(--otk-blue);
}
.blog-nav .btn-cta {
  background: var(--otk-blue);
  color: #fff !important;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.88rem;
}
.blog-nav .btn-cta:hover {
  background: var(--otk-blue-hover);
  color: #fff !important;
}

/* —— Hero —— */
.blog-hero {
  padding: 1.75rem 0 0.25rem;
}
.blog-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: var(--otk-blue-soft);
  color: var(--otk-blue);
  font-size: 0.78rem;
  font-weight: 600;
}
.blog-h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
  font-weight: 800;
  text-wrap: balance;
}
.blog-h1 .accent { color: var(--otk-blue); }
.blog-lead {
  margin: 0;
  color: var(--otk-muted);
  max-width: 38rem;
  font-size: 1.02rem;
  line-height: 1.55;
  text-wrap: pretty;
}

/* —— List layout: без тяжёлого сайдбара —— */
.blog-layout {
  display: block;
  padding: 1.35rem 0 3.5rem;
}

.blog-filters {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.35rem 0 1.5rem;
}

.cat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.cat-chips a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--otk-border);
  background: #fff;
  color: #374151;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.cat-chips a:hover {
  border-color: #c7d2fe;
  background: var(--otk-blue-soft);
  color: var(--otk-blue);
}
.cat-chips a.is-active {
  background: var(--otk-blue);
  border-color: var(--otk-blue);
  color: #fff;
}
.cat-chips .cat-count {
  min-width: 1.25rem;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: inherit;
}
.cat-chips a.is-active .cat-count {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.blog-search {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: stretch;
  background: #fff;
  border: 1px solid var(--otk-border);
  border-radius: 1rem;
  padding: 0.4rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.blog-search input,
.blog-search select,
.blog-search button {
  font: inherit;
  border-radius: 0.75rem;
  border: 0;
  padding: 0.7rem 0.9rem;
  background: transparent;
}
.blog-search input {
  flex: 1 1 220px;
  min-width: 0;
  outline: none;
  color: var(--otk-text);
}
.blog-search input::placeholder { color: var(--otk-muted-2); }
.blog-search select {
  color: var(--otk-muted);
  background: #f8fafc;
  cursor: pointer;
}
.blog-search button {
  background: var(--otk-blue);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  padding-inline: 1.15rem;
}
.blog-search button:hover { background: var(--otk-blue-hover); }

.blog-results-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin: 0 0 1rem;
  color: var(--otk-muted);
  font-size: 0.9rem;
}
.blog-results-meta strong { color: var(--otk-text); font-weight: 700; }

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.post-card {
  background: var(--otk-card);
  border: 1px solid var(--otk-border);
  border-radius: var(--blog-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}
.post-card:hover {
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 14px 36px rgba(15, 23, 42, 0.08);
  border-color: #dbe3f0;
}
.post-card-media {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(135deg, #dbeafe, #e8efff);
}
.post-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.post-card:hover .post-card-media img { transform: scale(1.03); }
.post-card-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #dbeafe, #e8efff 60%, #eff6ff);
}
.post-card-body {
  padding: 1rem 1.05rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.post-cat {
  display: inline-flex;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cat-color, var(--otk-blue));
  background: color-mix(in srgb, var(--cat-color, var(--otk-blue)) 10%, white);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  text-decoration: none;
}
.post-card-body time {
  color: var(--otk-muted-2);
  font-size: 0.8rem;
}
.post-card-title {
  margin: 0.1rem 0;
  font-size: 1.05rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 750;
}
.post-card-title a {
  color: inherit;
  text-decoration: none;
}
.post-card-title a:hover { color: var(--otk-blue); }
.post-card-excerpt {
  margin: 0;
  color: var(--otk-muted);
  font-size: 0.92rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-cta {
  margin-top: auto;
  align-self: flex-start;
  font-weight: 700;
  color: var(--otk-blue);
  text-decoration: none;
  padding-top: 0.65rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.post-card-cta::after {
  content: "→";
  transition: transform 0.15s ease;
}
.post-card:hover .post-card-cta::after { transform: translateX(3px); }

.empty {
  color: var(--otk-muted);
  grid-column: 1 / -1;
  padding: 2.5rem 1rem;
  text-align: center;
  border: 1px dashed var(--otk-border);
  border-radius: var(--blog-radius);
  background: #fafbfc;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.75rem;
}
.pager a {
  min-width: 2.3rem;
  text-align: center;
  padding: 0.5rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--otk-border);
  background: #fff;
  color: var(--otk-text);
  text-decoration: none;
  font-weight: 600;
}
.pager a.is-active {
  background: var(--otk-blue);
  color: #fff;
  border-color: var(--otk-blue);
}

.blog-extra {
  margin-top: 2.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--otk-border);
}
.blog-extra h2 {
  margin: 0 0 0.85rem;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.mini-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 1.25rem;
}
.mini-list a {
  color: var(--otk-text);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}
.mini-list a:hover { color: var(--otk-blue); }
.mini-list .muted {
  display: block;
  color: var(--otk-muted-2);
  font-size: 0.78rem;
  margin-top: 0.1rem;
  font-weight: 500;
}

/* —— Article page —— */
.article-page { padding: 1.25rem 0 3.5rem; max-width: none; }
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  color: var(--otk-muted-2);
  font-size: 0.88rem;
  margin-bottom: 1.15rem;
}
.breadcrumbs a { color: var(--otk-muted); }
.breadcrumbs a:hover { color: var(--otk-blue); }

.article-layout {
  display: grid;
  grid-template-columns: 16.5rem minmax(0, 44rem);
  gap: 1.75rem 2.25rem;
  align-items: start;
  justify-content: center;
}

.article-sidebar {
  position: sticky;
  top: 5.2rem;
  align-self: start;
  width: 16.5rem;
  max-height: calc(100dvh - 5.8rem);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  z-index: 4;
  box-sizing: border-box;
}
.article-sidebar::-webkit-scrollbar { width: 5px; }
.article-sidebar::-webkit-scrollbar-thumb {
  background: #d1d5db;
  border-radius: 999px;
}

.toc-pin-slot { width: 100%; }
.toc-side { position: static; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  color: var(--otk-muted);
  font-size: 0.9rem;
  margin-bottom: 1.35rem;
}

.toc,
.related-side {
  background: #fff;
  border: 1px solid var(--otk-border);
  border-radius: 1rem;
  padding: 0.95rem 1rem;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}
.toc strong,
.related-side strong {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--otk-muted-2);
  margin-bottom: 0.55rem;
}
.toc-list,
.toc-sub,
.related-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.toc-list > li { margin: 0 0 0.25rem; }
.toc-list > li > a {
  display: block;
  color: var(--otk-text);
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.35;
  text-decoration: none;
  padding: 0.35rem 0.45rem;
  border-radius: 8px;
  border-left: 3px solid transparent;
}
.toc-list > li > a:hover,
.toc-list > li > a.is-active {
  background: var(--otk-blue-soft);
  border-left-color: var(--otk-blue);
  color: var(--otk-blue);
}
.toc-sub { margin: 0.1rem 0 0.35rem 0.5rem; }
.toc-sub a {
  display: block;
  color: var(--otk-muted);
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.22rem 0.4rem;
  border-radius: 6px;
  line-height: 1.35;
}
.toc-sub a:hover,
.toc-sub a.is-active {
  color: var(--otk-blue);
  background: #f5f8ff;
}

.related-side-list li { margin: 0 0 0.5rem; }
.related-side-list li:last-child { margin-bottom: 0; }
.related-side-list a {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 0.6rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
  padding: 0.3rem;
  border-radius: 10px;
}
.related-side-list a:hover { background: var(--otk-blue-soft); }
.related-side-list img,
.related-side-ph {
  width: 64px;
  height: 44px;
  object-fit: cover;
  border-radius: 8px;
  background: linear-gradient(135deg, #dbeafe, #e8efff);
  display: block;
}
.related-side-title {
  display: block;
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--otk-text);
}
.related-side-cat {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.72rem;
  color: var(--otk-muted-2);
  font-weight: 600;
}

.article { min-width: 0; }
.article-cover {
  margin: 0 0 1.25rem;
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--otk-border);
}
.article-cover img {
  width: 100%;
  height: auto;
  display: block;
}
.article h1 {
  margin: 0.35rem 0 0.7rem;
  font-size: clamp(1.75rem, 3.6vw, 2.45rem);
  letter-spacing: -0.035em;
  line-height: 1.12;
  font-weight: 800;
  text-wrap: balance;
}

.prose {
  font-size: 1.05rem;
  color: #1f2937;
  line-height: 1.7;
}
.prose h2,
.prose h3 {
  color: var(--otk-text);
  margin-top: 1.85rem;
  letter-spacing: -0.02em;
  scroll-margin-top: 96px;
  line-height: 1.25;
}
.prose h2 { font-size: 1.4rem; }
.prose h3 { font-size: 1.15rem; }
.prose p { margin: 0.85rem 0; }
.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}
.prose a { font-weight: 600; }
.prose ul,
.prose ol {
  padding-left: 1.25rem;
}
.prose blockquote {
  margin: 1.1rem 0;
  padding: 0.55rem 0.95rem;
  border-left: 3px solid var(--otk-blue);
  background: var(--otk-blue-soft);
  border-radius: 0 10px 10px 0;
  color: #334155;
}
.prose pre {
  overflow: auto;
  background: #0b1220;
  color: #e5e7eb;
  padding: 0.9rem;
  border-radius: 12px;
  font-size: 0.88rem;
}
.prose table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.1rem 0;
  font-size: 0.92rem;
  overflow: hidden;
  border: 1px solid var(--otk-border);
  border-radius: 12px;
}
.prose thead th {
  background: var(--otk-blue);
  color: #fff;
  font-weight: 700;
  padding: 0.7rem 0.85rem;
  text-align: left;
}
.prose tbody td {
  padding: 0.65rem 0.85rem;
  border-top: 1px solid #eef2f7;
  vertical-align: top;
}
.prose tbody tr:nth-child(even) td { background: #f5f8ff; }

.share-block,
.related {
  margin-top: 2.4rem;
}
.share-block h2,
.related h2 {
  margin: 0 0 0.9rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--otk-border);
  background: #fff;
  color: var(--otk-text);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.share-btn:hover {
  border-color: var(--otk-blue);
  color: var(--otk-blue);
  text-decoration: none;
}
.share-status {
  color: #166534;
  font-size: 0.9rem;
}

.blog-footer {
  border-top: 1px solid var(--otk-border);
  background: #fff;
  padding: 1.5rem 0 2rem;
  color: var(--otk-muted);
  font-size: 0.9rem;
}
.blog-footer a { color: var(--otk-muted); font-weight: 600; }
.blog-footer a:hover { color: var(--otk-blue); }

@media (max-width: 1100px) {
  .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar {
    position: static;
    order: 2;
    width: auto;
    max-height: none;
    overflow: visible;
  }
  .article { order: 1; }
  .mini-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .post-grid { grid-template-columns: 1fr; }
  .blog-nav .btn-cta { display: none; }
  .blog-search { flex-direction: column; }
  .blog-search select,
  .blog-search button { width: 100%; }
}