/* =====================================================
   Blog & article pages — shares tokens with main style.css
   ===================================================== */

/* Language switcher in blog header — uses <a> tags so we need to nuke the
   default underline. RU is always active here since blog content is RU-only;
   clicking EN navigates to the English homepage. */
.blog-shell .lang-btn { text-decoration: none; }

.blog-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.blog-main {
  flex: 1;
  width: min(820px, 92vw);
  margin: 0 auto;
  padding: 56px 0 96px;
}

/* ---------- Back link ---------- */
.blog-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 14px;
  text-decoration: none;
  margin-bottom: 32px;
  transition: color 0.2s var(--ease);
}
.blog-back:hover { color: var(--text); }
.blog-back svg { width: 14px; height: 14px; }

/* ---------- Blog index hero ---------- */
.blog-hero {
  margin-bottom: 48px;
}
.blog-hero h1 {
  font-size: clamp(32px, 5vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  font-weight: 800;
}
.blog-hero p {
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.6;
  margin: 0;
  max-width: 580px;
}

/* ---------- Article cards (blog index) ---------- */
.blog-list {
  display: grid;
  gap: 14px;
}
.blog-card {
  display: block;
  padding: 24px 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}
.blog-card:hover {
  border-color: var(--border-strong);
  background: var(--panel-hi);
  transform: translateY(-1px);
}
.blog-card-tag {
  display: inline-block;
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 10px;
}
.blog-card-title {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 8px;
}
.blog-card-desc {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text-dim);
  margin: 0 0 14px;
}
.blog-card-meta {
  font-size: 12.5px;
  color: var(--text-muted);
  font-family: var(--mono);
  display: flex;
  gap: 10px;
}
.blog-card-meta span + span::before {
  content: "·";
  margin-right: 10px;
}

/* ---------- Article hero ---------- */
.article-hero {
  margin-bottom: 36px;
}
.article-tag {
  display: inline-block;
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 14px;
}
.article-hero h1 {
  font-size: clamp(30px, 4.6vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  font-weight: 800;
}
.article-meta {
  font-size: 13px;
  font-family: var(--mono);
  color: var(--text-muted);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.article-meta span + span::before {
  content: "·";
  margin-right: 12px;
  color: var(--text-muted);
}

/* ---------- Table of contents ---------- */
.toc {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin: 0 0 40px;
}
.toc-title {
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 12px;
}
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}
.toc-list a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
  display: inline-block;
  padding: 2px 0;
  transition: color 0.15s var(--ease);
}
.toc-list a:hover { color: var(--text); }

/* ---------- Article body — typography ---------- */
.article-body {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
}
.article-body > * + * { margin-top: 1.1em; }
.article-body .lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-dim);
  margin-bottom: 32px;
}

.article-body h2 {
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 56px 0 16px !important;
  font-weight: 700;
  scroll-margin-top: 24px;
}
.article-body h3 {
  font-size: 19px;
  line-height: 1.3;
  margin: 32px 0 10px !important;
  font-weight: 700;
  color: var(--text);
  scroll-margin-top: 24px;
}

.article-body p { margin: 0; }
.article-body a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 140, 255, 0.3);
  transition: border-color 0.15s var(--ease);
}
.article-body a:hover { border-bottom-color: var(--accent); }

.article-body strong { color: var(--text); font-weight: 700; }
.article-body em { font-style: italic; color: var(--text); }

.article-body ul, .article-body ol {
  padding-left: 24px;
  display: grid;
  gap: 8px;
}
.article-body li { line-height: 1.6; }
.article-body li::marker { color: var(--accent); }

.article-body code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--panel-hi);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--text);
}
.article-body pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.55;
}
.article-body pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
}

/* Callout / aside */
.callout {
  border-left: 3px solid var(--accent);
  background: rgba(138, 140, 255, 0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 16px 20px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text-dim);
}
.callout strong { color: var(--text); }

/* Comparison table */
.cmp {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin: 8px 0;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.cmp th, .cmp td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.cmp tr:last-child td { border-bottom: 0; }
.cmp th {
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
  background: var(--panel);
}
.cmp td:first-child { font-weight: 600; color: var(--text); }
.cmp td { color: var(--text-dim); }

/* Inline CTA card pointing back to checker */
.cta-card {
  margin-top: 48px;
  padding: 28px 30px;
  background: linear-gradient(180deg, rgba(138, 140, 255, 0.07), rgba(138, 140, 255, 0.02));
  border: 1px solid rgba(138, 140, 255, 0.2);
  border-radius: var(--radius-lg);
  text-align: center;
}
.cta-card-title {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.cta-card-desc {
  font-size: 14.5px;
  color: var(--text-dim);
  margin: 0 0 18px;
  line-height: 1.55;
}
.article-body .cta-btn,
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  background: var(--accent);
  color: #0a0b10;
  border-radius: 10px;
  border-bottom: 0;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.15s var(--ease), background 0.15s var(--ease);
}
.article-body .cta-btn:hover,
.cta-btn:hover {
  background: var(--accent-2);
  color: #0a0b10;
  transform: translateY(-1px);
  border-bottom: 0;
}

/* "Read next" cards */
.read-next {
  margin-top: 72px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}
.read-next-title {
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 18px;
}
.read-next-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.read-next-card {
  display: block;
  padding: 18px 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.read-next-card:hover {
  border-color: var(--border-strong);
  background: var(--panel-hi);
}
.read-next-card-title {
  font-size: 15.5px;
  font-weight: 600;
  margin: 0 0 4px;
  line-height: 1.3;
}
.read-next-card-desc {
  font-size: 13px;
  color: var(--text-dim);
  margin: 0;
  line-height: 1.5;
}

/* Mobile tuning */
@media (max-width: 600px) {
  .blog-main { padding: 36px 0 64px; }
  .article-body { font-size: 16px; }
  .article-body .lead { font-size: 17px; }
  .article-body h2 { font-size: 22px; margin: 40px 0 12px !important; }
  .article-body h3 { font-size: 17px; }
  .blog-card { padding: 20px 22px; }
  .cta-card { padding: 22px 20px; }
}