/* ═══════════════════════════════════════════════════════════
   SOFTLINE DEFENCE — v3.0 DESIGN ADDITIONS
   Edu-track typography, callouts, heat-map, history timeline,
   reference architectures, dual-track visual signals.
   Працює поверх softline.css. Не дублюємо існуючі змінні.
   ═══════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────
   1. EDU-TRACK PROSE
   Видавнича типографіка для статей бази знань.
   Активується класом .edu-prose на контейнері.
   ─────────────────────────────────────── */
.edu-prose {
  max-width: 760px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-text);
}
.edu-prose p {
  margin-bottom: 22px;
}
.edu-prose h2 {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--c-heading);
  margin: 56px 0 18px;
  letter-spacing: -.4px;
  line-height: 1.25;
  padding-top: 8px;
  border-top: 1px solid var(--c-divider);
}
.edu-prose h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.edu-prose h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-heading);
  margin: 36px 0 12px;
  letter-spacing: -.2px;
}
.edu-prose h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-accent);
  margin: 28px 0 10px;
  font-family: var(--mono);
  letter-spacing: .04em;
}
.edu-prose ul, .edu-prose ol {
  margin: 0 0 22px 0;
  padding-left: 28px;
}
.edu-prose li { margin-bottom: 8px; }
.edu-prose strong { color: var(--c-heading); font-weight: 700; }
.edu-prose em { color: var(--c-text); font-style: italic; }
.edu-prose a {
  color: var(--c-accent);
  border-bottom: 1px solid var(--c-accent-border);
  transition: all .15s;
}
.edu-prose a:hover {
  color: var(--c-accent-hover);
  border-bottom-color: var(--c-accent-hover);
}
.edu-prose blockquote {
  border-left: 3px solid var(--c-accent);
  padding: 4px 24px;
  margin: 28px 0;
  font-style: italic;
  color: var(--c-text-secondary);
  background: transparent;
  border-radius: 0;
}
.edu-prose hr {
  border: none;
  height: 1px;
  background: var(--c-divider);
  margin: 40px 0;
}

/* Drop cap для першого абзацу статті */
.edu-prose-lead::first-letter {
  font-family: var(--mono);
  font-size: 56px;
  font-weight: 700;
  float: left;
  line-height: .9;
  margin: 6px 12px 0 0;
  color: var(--c-accent);
}

@media (max-width: 768px) {
  .edu-prose { font-size: 16px; line-height: 1.7; }
  .edu-prose h2 { font-size: 22px; margin: 40px 0 14px; }
  .edu-prose-lead::first-letter { font-size: 42px; }
}

/* ───────────────────────────────────────
   2. CALLOUT [ ПРАКТИЧНА РЕАЛІЗАЦІЯ ]
   Єдиний легітимний місток edu→product у edu-статтях.
   ─────────────────────────────────────── */
.callout-impl {
  position: relative;
  margin: 36px 0;
  padding: 24px 28px 24px 28px;
  background: linear-gradient(135deg, rgba(91,111,71,.08), rgba(143,163,118,.04));
  border: 1px solid var(--c-accent-border);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
}
.callout-impl-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.callout-impl-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 8px;
  line-height: 1.4;
}
.callout-impl-body {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--c-text-secondary);
  margin-bottom: 12px;
}
.callout-impl-link {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--c-accent);
  letter-spacing: .04em;
  border-bottom: 1px solid transparent;
  transition: all .15s;
}
.callout-impl-link:hover {
  color: var(--c-accent-hover);
  border-bottom-color: var(--c-accent-hover);
}

/* ───────────────────────────────────────
   3. NORM CITATIONS — inline посилання на нормативи
   ─────────────────────────────────────── */
.norm-cite {
  font-weight: 700;
  color: var(--c-accent);
  font-family: var(--mono);
  font-size: .92em;
  border-bottom: 1px dotted var(--c-accent-border);
  cursor: help;
}
.norm-cite:hover {
  color: var(--c-accent-hover);
  border-bottom-style: solid;
}

/* ───────────────────────────────────────
   4. HEAT MAP — Матриця стандарт × платформа
   ─────────────────────────────────────── */
.heat-map {
  width: 100%;
  border-collapse: separate;
  border-spacing: 2px;
  margin: 32px 0;
  font-size: 13px;
}
.heat-map th, .heat-map td {
  padding: 14px 16px;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  text-align: left;
}
.heat-map thead th {
  background: var(--c-bg-deep);
  color: var(--c-accent);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.heat-map tbody td:first-child {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--c-text-secondary);
  letter-spacing: .04em;
  width: 28%;
}
.heat-map tbody td:nth-child(2) {
  font-weight: 600;
  color: var(--c-heading);
  font-size: 13.5px;
}
.heat-map .hm-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
}
.hm-status::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.hm-supported {
  background: rgba(143,163,118,.14);
  color: var(--c-accent-hover);
}
.hm-supported::before { background: var(--c-accent-hover); box-shadow: 0 0 8px var(--c-accent-glow); }
.hm-partial {
  background: rgba(193,156,72,.12);
  color: #d1a85b;
}
.hm-partial::before { background: #c19c48; }
.hm-na {
  background: rgba(110,118,128,.12);
  color: var(--c-text-muted);
}
.hm-na::before { background: var(--c-text-muted); }
.hm-roadmap {
  background: rgba(91,127,168,.12);
  color: #8aa4c4;
}
.hm-roadmap::before { background: #6e92b8; }

.heat-map-legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 16px;
  font-size: 12px;
  color: var(--c-text-muted);
  font-family: var(--mono);
}
.heat-map-legend span { display: inline-flex; align-items: center; gap: 6px; }

@media (max-width: 768px) {
  .heat-map, .heat-map thead, .heat-map tbody, .heat-map tr, .heat-map td, .heat-map th { display: block; }
  .heat-map thead { display: none; }
  .heat-map tr {
    margin-bottom: 10px;
    border: 1px solid var(--c-border);
    background: var(--c-bg-elevated);
  }
  .heat-map td { border: none; border-bottom: 1px solid var(--c-divider); padding: 10px 14px; }
  .heat-map tbody td:first-child { width: auto; font-size: 11px; padding-bottom: 4px; }
}

/* ───────────────────────────────────────
   5. HISTORY TIMELINE — академічний лонгрід
   ─────────────────────────────────────── */
.history-timeline {
  position: relative;
  padding-left: 32px;
  margin: 40px 0;
  max-width: 820px;
}
.history-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--c-divider);
}
.htl-entry {
  position: relative;
  padding: 0 0 40px 0;
}
.htl-entry::before {
  content: '';
  position: absolute;
  left: -28px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 2px solid var(--c-accent);
  z-index: 1;
}
.htl-entry.htl-major::before {
  background: var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-accent-subtle);
}
.htl-year {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .04em;
  margin-bottom: 6px;
}
.htl-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 10px;
  letter-spacing: -.2px;
  line-height: 1.3;
}
.htl-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-text-secondary);
}
.htl-body p { margin-bottom: 12px; }
.htl-body p:last-child { margin-bottom: 0; }
.htl-source {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--c-text-muted);
  margin-top: 10px;
  letter-spacing: .03em;
}

/* ───────────────────────────────────────
   6. REFERENCE ARCHITECTURES — місток-трек
   ─────────────────────────────────────── */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.ref-card {
  display: block;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px 28px 24px;
  transition: all .25s;
  position: relative;
  overflow: hidden;
  color: inherit;
}
.ref-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-accent);
  transition: width .3s;
}
.ref-card:hover {
  border-color: var(--c-accent-border);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.ref-card:hover::before { width: 100%; }
.ref-card-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .12em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.ref-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 12px;
  line-height: 1.35;
  letter-spacing: -.2px;
}
.ref-card-body {
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-text-secondary);
  margin-bottom: 18px;
}
.ref-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--c-text-muted);
  letter-spacing: .04em;
  padding-top: 14px;
  border-top: 1px solid var(--c-divider);
}
.ref-card-meta span { display: inline-flex; align-items: center; gap: 5px; }

@media (max-width: 768px) {
  .ref-grid { grid-template-columns: 1fr; }
}

/* ───────────────────────────────────────
   7. SINGLE REFERENCE ARCHITECTURE PAGE
   ─────────────────────────────────────── */
.ref-single { padding: 60px 0; }
.ref-single-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 56px;
  align-items: start;
}
.ref-toc {
  position: sticky;
  top: 88px;
}
.ref-toc-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-text-muted);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.ref-toc a {
  display: block;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--c-text-muted);
  border-left: 2px solid transparent;
  transition: all .15s;
  margin-bottom: 2px;
}
.ref-toc a:hover, .ref-toc a.active {
  color: var(--c-accent);
  border-left-color: var(--c-accent);
}

.ref-fact-box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  margin: 24px 0 32px;
}
.ref-fact-box > div {
  background: var(--c-bg-elevated);
  padding: 18px 20px;
}
.ref-fact-key {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--c-text-muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.ref-fact-val {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-heading);
  line-height: 1.4;
}

.ref-section { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--c-divider); }
.ref-section:first-of-type { border-top: none; padding-top: 0; margin-top: 24px; }
.ref-section-id {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.ref-section h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 18px;
  letter-spacing: -.3px;
}

@media (max-width: 1080px) {
  .ref-single-grid { grid-template-columns: 1fr; }
  .ref-toc { position: static; display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
  .ref-toc a { padding: 6px 12px; border-left: none; border: 1px solid var(--c-border); border-radius: 6px; }
  .ref-toc-label { width: 100%; }
}
@media (max-width: 768px) {
  .ref-fact-box { grid-template-columns: 1fr; }
}

/* ───────────────────────────────────────
   8. HERO V2 — нова головна (edu-first)
   ─────────────────────────────────────── */
.hero-edu {
  background: linear-gradient(135deg, var(--c-dark) 0%, #182019 60%, var(--c-primary) 100%);
  color: #fff;
  padding: 96px 0 0;
  position: relative;
  overflow: hidden;
}
.hero-edu::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.014) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.hero-edu-glow {
  position: absolute;
  top: -160px;
  right: -120px;
  width: 520px;
  height: 520px;
  background: var(--c-accent);
  opacity: .07;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
}
.hero-edu-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding-bottom: 88px;
}
.hero-edu-mark {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-edu-mark::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--c-accent);
}
.hero-edu h1 {
  font-size: clamp(32px, 4.8vw, 54px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.4px;
  margin-bottom: 28px;
  color: #fff;
}
.hero-edu h1 em {
  font-style: normal;
  color: var(--c-accent-hover);
}
.hero-edu-sub {
  font-size: 18px;
  line-height: 1.65;
  color: rgba(255,255,255,.7);
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-edu-credit {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 13.5px;
  color: rgba(255,255,255,.4);
  line-height: 1.6;
}
.hero-edu-credit a {
  color: var(--c-accent-hover);
  border-bottom: 1px solid transparent;
  transition: border-color .15s;
}
.hero-edu-credit a:hover { border-bottom-color: var(--c-accent-hover); }
.hero-edu-cta { display: flex; gap: 12px; flex-wrap: wrap; }

@media (max-width: 768px) {
  .hero-edu { padding: 72px 0 0; }
  .hero-edu-content { padding-bottom: 64px; }
  .hero-edu h1 { font-size: 30px; }
  .hero-edu-sub { font-size: 16px; }
}

/* ───────────────────────────────────────
   9. KB TOPICS GRID — нові тізери на головній
   ─────────────────────────────────────── */
.kb-topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-divider);
  border: 1px solid var(--c-divider);
}
.kb-topic-card {
  display: flex;
  flex-direction: column;
  padding: 32px 28px;
  background: var(--c-bg);
  transition: all .2s;
  color: inherit;
  min-height: 220px;
}
.kb-topic-card:hover {
  background: var(--c-bg-elevated);
}
.kb-topic-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--c-accent);
  letter-spacing: .12em;
  margin-bottom: 16px;
  font-weight: 700;
}
.kb-topic-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 10px;
  letter-spacing: -.2px;
  line-height: 1.3;
}
.kb-topic-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-text-secondary);
  margin-bottom: 18px;
  flex-grow: 1;
}
.kb-topic-meta {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--c-text-muted);
  letter-spacing: .04em;
  padding-top: 14px;
  border-top: 1px solid var(--c-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.kb-topic-meta-arrow {
  color: var(--c-accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: all .2s;
}
.kb-topic-card:hover .kb-topic-meta-arrow {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 1080px) {
  .kb-topics-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .kb-topics-grid { grid-template-columns: 1fr; }
}

/* ───────────────────────────────────────
   10. PLATFORM PRESENTATION — модульний footnote на головній
   ─────────────────────────────────────── */
.platform-footnote {
  background: var(--c-bg-deep);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  padding: 56px 0;
}
.platform-footnote-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: center;
}
.platform-footnote-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--c-text-muted);
  letter-spacing: .15em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.platform-footnote-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-heading);
  letter-spacing: -.3px;
  margin-bottom: 12px;
  line-height: 1.3;
}
.platform-footnote-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-text-secondary);
}
.platform-footnote-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.platform-fact {
  padding: 18px 20px;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
}
.platform-fact-key {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.platform-fact-val {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-heading);
  line-height: 1.45;
}
.platform-footnote-link {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-accent);
  letter-spacing: .04em;
}
.platform-footnote-link:hover { color: var(--c-accent-hover); }

@media (max-width: 1080px) {
  .platform-footnote-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  .platform-footnote-facts { grid-template-columns: 1fr; }
}

/* ───────────────────────────────────────
   11. SECTION HEADERS — посилений академ-стиль
   ─────────────────────────────────────── */
.sec-mark {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--c-accent-border);
}
.sec-title-big {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  color: var(--c-heading);
  line-height: 1.18;
  letter-spacing: -.6px;
  margin-bottom: 18px;
  max-width: 820px;
}
.sec-lead {
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--c-text-secondary);
  max-width: 720px;
  margin-bottom: 0;
}

/* ───────────────────────────────────────
   12. ANTI-MARKETING BLOCK — "Where this DOESN'T fit"
   Чесні обмеження як trust signal.
   ─────────────────────────────────────── */
.where-not {
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin: 40px 0;
}
.where-not-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-warn);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.where-not-label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--c-warn);
  border-radius: 50%;
  flex-shrink: 0;
}
.where-not-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--c-heading);
  margin-bottom: 16px;
  letter-spacing: -.2px;
}
.where-not ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.where-not li {
  padding-left: 22px;
  position: relative;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--c-text-secondary);
}
.where-not li::before {
  content: '×';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--c-warn);
  font-weight: 700;
  font-size: 16px;
}
.where-not li strong { color: var(--c-heading); }

/* ───────────────────────────────────────
   13. METHODOLOGY DETAILS — прозорі числа
   "50 000 користувачів — як ми це міряли"
   ─────────────────────────────────────── */
.meth-detail {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--c-text-muted);
  letter-spacing: .03em;
  padding: 8px 12px;
  background: var(--c-bg);
  border: 1px solid var(--c-divider);
  border-radius: 6px;
  margin-top: 10px;
  display: inline-block;
}
.meth-detail a { color: var(--c-accent); border-bottom: 1px solid currentColor; }

/* ───────────────────────────────────────
   14. KB SINGLE — оновлена сторінка статті
   ─────────────────────────────────────── */
.kb-article-hero {
  padding: 64px 0 32px;
  background: var(--c-bg-deep);
  border-bottom: 1px solid var(--c-border);
}
.kb-article-meta-top {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.kb-article-meta-top a { color: var(--c-accent); }
.kb-article-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--c-heading);
  letter-spacing: -.8px;
  line-height: 1.15;
  margin-bottom: 20px;
  max-width: 820px;
}
.kb-article-deck {
  font-size: 18px;
  line-height: 1.6;
  color: var(--c-text-secondary);
  max-width: 720px;
  margin-bottom: 24px;
}
.kb-article-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--c-divider);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--c-text-muted);
  letter-spacing: .04em;
}
.kb-article-meta strong { color: var(--c-accent); font-weight: 700; }

.kb-article-body {
  padding: 56px 0;
}
.kb-article-grid {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 64px;
  align-items: start;
}
.kb-article-aside {
  position: sticky;
  top: 88px;
}
.kb-aside-block {
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 16px;
}
.kb-aside-label {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--c-text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.kb-aside-block ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.kb-aside-block li {
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--c-divider);
}
.kb-aside-block li:last-child { border-bottom: none; }
.kb-aside-block li a {
  color: var(--c-text-secondary);
  transition: color .15s;
}
.kb-aside-block li a:hover { color: var(--c-accent); }

@media (max-width: 1080px) {
  .kb-article-grid { grid-template-columns: 1fr; gap: 32px; }
  .kb-article-aside { position: static; }
}