@font-face {
  font-family: 'Onest';
  src: url('/ru-RU/blog/fonts/Onest-VariableFont_wght.ttf') format('truetype-variations'),
       url('/ru-RU/blog/fonts/Onest-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900; font-style: normal; font-display: swap;
}

:root {
  --mb-grad-1: #FF7355;
  --mb-grad-2: #F9385C;
  --mb-grad-3: #E12D61;
  --mb-grad-4: #61307C;
  --mb-gradient:      linear-gradient(135deg, #FF7355 0%, #F9385C 35%, #E12D61 65%, #61307C 100%);
  --mb-gradient-text: linear-gradient(135deg, #E85A3C 0%, #E02548 35%, #C41E52 65%, #4A2560 100%);
  --mb-gradient-soft: linear-gradient(135deg, rgba(255,115,85,0.14) 0%, rgba(249,56,92,0.14) 35%, rgba(225,45,97,0.14) 65%, rgba(97,48,124,0.14) 100%);
  --mb-bg:    #F7F8FB;
  --mb-bg-1:  #FFFFFF;
  --mb-bg-3:  #F1F3F8;
  --mb-fg:    #0B0F1A;
  --mb-fg-1:  #1D2333;
  --mb-fg-2:  #6B7384;
  --mb-fg-3:  #9AA2B2;
  --mb-line:   rgba(11,15,26,0.08);
  --mb-line-1: rgba(11,15,26,0.12);
  --mb-line-2: rgba(11,15,26,0.20);
  --mb-success:    #06B97A;
  --mb-success-bg: rgba(6,185,122,0.10);
  --mb-warning:    #E08A00;
  --mb-warning-bg: rgba(224,138,0,0.10);
  --mb-danger:     #E53E5C;
  --mb-info:       #005BFF;
  --mb-font-sans: 'Onest', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mb-font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  --mb-glow-brand: 0 18px 50px -14px rgba(225,45,97,0.45), 0 8px 28px -8px rgba(97,48,124,0.35);
  --mb-glow-card:  0 1px 2px rgba(11,15,26,0.04), 0 8px 28px -10px rgba(11,15,26,0.08);
  --mb-glow-float: 0 24px 60px -20px rgba(11,15,26,0.18), 0 6px 18px -8px rgba(11,15,26,0.08);
  --mb-ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--mb-bg);
  color: var(--mb-fg);
  font: 400 15px/1.55 var(--mb-font-sans);
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  overscroll-behavior-x: none;
  -webkit-overflow-scrolling: touch;
}
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 700px at 90% -10%, rgba(255,115,85,0.10), transparent 55%),
    radial-gradient(1100px 800px at -10% 20%, rgba(97,48,124,0.09), transparent 60%),
    radial-gradient(1000px 700px at 50% 110%, rgba(249,56,92,0.06), transparent 60%),
    var(--mb-bg);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 14px/1 var(--mb-font-sans);
  padding: 11px 16px; border-radius: 11px; border: 1px solid transparent;
  transition: all 180ms var(--mb-ease-out); white-space: nowrap; letter-spacing: -0.005em;
}
.btn-primary { background: var(--mb-gradient); color: #fff; box-shadow: var(--mb-glow-brand); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 22px 60px -14px rgba(225,45,97,0.55), 0 10px 30px -10px rgba(97,48,124,0.45); }
.btn-secondary { background: #fff; color: var(--mb-fg); border-color: var(--mb-line-1); box-shadow: 0 1px 2px rgba(11,15,26,0.04); }
.btn-secondary:hover { background: var(--mb-bg-3); border-color: var(--mb-line-2); }
.btn-sm { padding: 8px 12px; font-size: 12.5px; border-radius: 9px; }

/* NAV — from landing */
.nav { padding: 14px 24px 14px; }
.nav-inner { max-width: 1320px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; background: 0 0; border: 0; box-shadow: none; padding: 0; }
.nav-logo { display: inline-flex; align-items: center; position: relative; }
.nav-logo img { height: 80px; width: auto; display: block; filter: drop-shadow(0 4px 16px rgba(11,15,26,0.06)); }
.nav-cluster {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px 8px 14px;
  background: rgba(255,255,255,0.78); backdrop-filter: saturate(180%) blur(22px); -webkit-backdrop-filter: saturate(180%) blur(22px);
  border: 1px solid rgba(255,255,255,0.85); border-radius: 18px;
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 1px 2px rgba(11,15,26,0.04), 0 22px 60px -32px rgba(11,15,26,0.22), 0 0 0 1px rgba(11,15,26,0.04);
}
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  position: relative; font: 600 14px/1 var(--mb-font-sans);
  letter-spacing: -0.01em; color: var(--mb-fg-1); padding: 10px 14px; border-radius: 10px;
  transition: all 180ms var(--mb-ease-out);
}
.nav-links a:hover { background: var(--mb-bg-3); color: var(--mb-fg); }
.nav-links a.active { color: var(--mb-fg); background: var(--mb-bg-3); }
.nav-links a.active::after { display: none; }
.nav-divider { width: 1px; height: 22px; flex: none; background: var(--mb-line-1); margin: 0 4px; }
.nav-locale { display: inline-flex; align-items: center; gap: 2px; padding: 3px; border-radius: 9px; background: var(--mb-bg-3); font: 700 11px/1 var(--mb-font-sans); color: var(--mb-fg-2); letter-spacing: 0.04em; }
.nav-locale button { border: 0; background: 0 0; color: var(--mb-fg-2); padding: 6px 9px; border-radius: 6px; font: inherit; cursor: pointer; transition: all 150ms var(--mb-ease-out); }
.nav-locale button:hover { color: var(--mb-fg); }
.nav-locale button.active { background: #fff; color: var(--mb-fg); box-shadow: 0 1px 2px rgba(11,15,26,0.08); }
.nav-login { font: 600 13.5px/1 var(--mb-font-sans); color: var(--mb-fg-1); padding: 10px 12px; border-radius: 9px; transition: all 150ms var(--mb-ease-out); letter-spacing: -0.005em; }
.nav-login:hover { background: var(--mb-bg-3); }
.nav .btn.nav-primary { padding: 11px 16px; border-radius: 11px; font-size: 13.5px; margin-right: 2px; box-shadow: 0 8px 22px -6px rgba(225,45,97,0.45), 0 4px 12px -4px rgba(97,48,124,0.35); }
.nav .btn.nav-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 36px -8px rgba(225,45,97,0.55), 0 8px 20px -6px rgba(97,48,124,0.45); }
.nav .btn.nav-primary .ico { width: 14px; height: 14px; }

.nav-burger { display: none; width: 40px; height: 40px; border-radius: 12px; background: var(--mb-bg-3); border: 0; place-items: center; color: var(--mb-fg-1); cursor: pointer; flex: none; }
.nav-burger svg { width: 18px; height: 18px; }

/* Mobile menu overlay — from landing */
.mobile-menu-overlay { display: none; position: fixed; inset: 0; z-index: 100; flex-direction: column; background: rgba(247,248,251,0.94); backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%); }
.mobile-menu-overlay.open { display: flex; overflow: hidden; }
.mobile-menu-overlay::before { content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none; background: radial-gradient(500px 360px at 100% 0, rgba(255,115,85,0.18), transparent 60%), radial-gradient(600px 400px at -10% 100%, rgba(97,48,124,0.18), transparent 65%); }
.mobile-menu-overlay > * { position: relative; z-index: 1; }
.mm-top { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px 0; }
.mm-top .nav-logo img { height: 58px; }
.mm-close { width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.78); border: 1px solid rgba(255,255,255,0.85); backdrop-filter: blur(16px); display: grid; place-items: center; color: var(--mb-fg); box-shadow: 0 8px 22px -10px rgba(11,15,26,0.2); cursor: pointer; }
.mm-close svg { width: 18px; height: 18px; }
.mm-body { flex: 1; min-height: 0; padding: 24px 22px calc(24px + env(safe-area-inset-bottom, 0px)); display: flex; flex-direction: column; gap: 22px; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.mm-nav-list { display: flex; flex-direction: column; gap: 2px; margin: 0; padding: 0; list-style: none; }
.mm-nav-list a { display: flex; align-items: center; justify-content: space-between; padding: 14px 4px; font: 700 26px/1.1 var(--mb-font-sans); letter-spacing: -0.028em; color: var(--mb-fg); border-bottom: 1px solid var(--mb-line); text-decoration: none; }
.mm-nav-list a .idx { font: 500 11px/1 var(--mb-font-mono); color: var(--mb-fg-3); letter-spacing: 0.06em; }
.mm-nav-list a.active { background: var(--mb-gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.mm-foot { margin-top: auto; display: flex; flex-direction: column; gap: 14px; background: rgba(255,255,255,0.55); border-top: 1px solid var(--mb-line); margin-left: -22px; margin-right: -22px; margin-bottom: -24px; padding: 18px 22px calc(18px + env(safe-area-inset-bottom, 0px)); }
.mm-locale { display: inline-flex; align-self: flex-start; align-items: center; gap: 2px; padding: 4px; border-radius: 12px; background: rgba(255,255,255,0.7); border: 1px solid var(--mb-line); font: 700 12px/1 var(--mb-font-sans); }
.mm-locale button { padding: 8px 12px; border: 0; background: 0 0; border-radius: 8px; color: var(--mb-fg-2); cursor: pointer; font: inherit; letter-spacing: 0.04em; }
.mm-locale button.active { background: #fff; color: var(--mb-fg); box-shadow: 0 1px 2px rgba(11,15,26,0.08); }
.mm-actions { display: flex; gap: 10px; }
.mm-login { flex: 1; padding: 16px 18px; border-radius: 14px; background: rgba(255,255,255,0.85); border: 1px solid var(--mb-line-1); font: 600 15px/1 var(--mb-font-sans); color: var(--mb-fg); text-align: center; text-decoration: none; cursor: pointer; white-space: nowrap; }
.mm-try { flex: 1.4; padding: 16px 18px; border-radius: 14px; background: var(--mb-gradient); color: #fff; border: 0; font: 600 15px/1 var(--mb-font-sans); text-align: center; text-decoration: none; cursor: pointer; white-space: nowrap; box-shadow: 0 8px 22px -6px rgba(225,45,97,0.45), 0 4px 12px -4px rgba(97,48,124,0.35); display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.mm-try svg { width: 14px; height: 14px; }

@media (max-width: 1180px) {
  .nav-logo img { height: 64px; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-divider, .nav-locale, .nav-login { display: none; }
  .nav-burger { display: grid; }
}
@media (max-width: 1180px) {
  .nav-logo img { height: 64px; }
}
@media (max-width: 1024px) {
  .nav { padding: 10px 16px; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-divider, .nav-locale, .nav-login { display: none; }
  .nav-burger { display: grid; }
}
@media (max-width: 720px) {
  .nav { padding: 10px 14px 10px 12px; }
  .nav-cluster { padding: 5px; gap: 6px; max-width: calc(100vw - 100px); }
  .nav .btn.nav-primary { padding: 7px 10px; font-size: 11.5px; margin-right: 4px; }
  .nav-logo img { height: 58px; }
  .callout { flex-direction: column; gap: 10px; }
  .art-feedback { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* HERO */
.kb-hero { max-width: 1320px; margin: 10px auto 0; padding: 22px 24px 6px; }
.kb-breadcrumb { display: flex; align-items: center; gap: 7px; font: 500 13px/1 var(--mb-font-sans); color: var(--mb-fg-3); margin-bottom: 16px; }
.kb-breadcrumb a:hover { color: var(--mb-fg-1); }
.kb-breadcrumb .sep { opacity: 0.5; }
.kb-hero-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.kb-hero h1 { margin: 0; font: 800 38px/1.05 var(--mb-font-sans); letter-spacing: -0.03em; }

/* LAYOUT */
.kb-wrap { max-width: 1320px; margin: 0 auto; padding: 22px 24px 60px; display: grid; grid-template-columns: 288px minmax(0,1fr); gap: 28px; align-items: start; }

/* Sidebar tree */
.kb-tree { position: static; overflow-y: auto; padding-right: 6px; }
.kb-tree::-webkit-scrollbar { width: 8px; }
.kb-tree::-webkit-scrollbar-thumb { background: var(--mb-line-1); border-radius: 8px; }
.kb-cat { margin-bottom: 6px; }
.kb-cat-head {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: transparent; border: 0; padding: 9px 10px; border-radius: 10px;
  color: var(--mb-fg-1); text-align: left; transition: background 140ms var(--mb-ease-out); cursor: pointer;
}
.kb-cat-head:hover { background: var(--mb-bg-3); }
.kb-cat-ico { width: 30px; height: 30px; border-radius: 9px; flex: none; display: inline-flex; align-items: center; justify-content: center; background: var(--mb-bg-3); color: var(--mb-fg-1); }
.kb-cat.open .kb-cat-ico { background: var(--mb-gradient-soft); color: var(--mb-grad-3); }
.kb-cat-title { flex: 1; font: 700 13.5px/1.25 var(--mb-font-sans); letter-spacing: -0.01em; }
.kb-cat-count { font: 600 11px/1 var(--mb-font-sans); color: var(--mb-fg-3); font-variant-numeric: tabular-nums; }
.kb-cat-chev { color: var(--mb-fg-3); transition: transform 200ms var(--mb-ease-out); }
.kb-cat.open .kb-cat-chev { transform: rotate(90deg); }
.kb-items { overflow: hidden; display: grid; grid-template-rows: 0fr; transition: grid-template-rows 220ms var(--mb-ease-out); }
.kb-cat.open .kb-items { grid-template-rows: 1fr; }
.kb-items-inner { min-height: 0; padding: 2px 0 6px; margin-left: 25px; border-left: 1.5px solid var(--mb-line); }
.kb-item {
  display: block; position: relative; padding: 8px 12px; margin-left: -1.5px;
  border-left: 1.5px solid transparent;
  font: 500 13.5px/1.35 var(--mb-font-sans); color: var(--mb-fg-2);
  transition: all 140ms var(--mb-ease-out);
}
.kb-item:hover { color: var(--mb-fg); }
.kb-item.active { color: var(--mb-grad-3); font-weight: 600; border-left-color: var(--mb-grad-3); }

/* Article */
.kb-article {
  background: #fff; border: 1px solid var(--mb-line); border-radius: 22px;
  padding: 40px 48px 44px; box-shadow: var(--mb-glow-card); min-width: 0; max-width: 100%; overflow: hidden;
}
.art-eyebrow { font: 700 12px/1 var(--mb-font-sans); letter-spacing: 0.08em; text-transform: uppercase; color: transparent; background: var(--mb-gradient-text); -webkit-background-clip: text; background-clip: text; }
.art-h1 { margin: 12px 0 0; font: 800 33px/1.12 var(--mb-font-sans); letter-spacing: -0.03em; text-wrap: balance; }
.art-meta { display: flex; align-items: center; gap: 16px; margin-top: 16px; padding-bottom: 22px; border-bottom: 1px solid var(--mb-line); font: 500 13px/1 var(--mb-font-sans); color: var(--mb-fg-3); flex-wrap: wrap; }
.art-meta .m { display: inline-flex; align-items: center; gap: 6px; }
.art-meta .author { display: inline-flex; align-items: center; gap: 8px; color: var(--mb-fg-1); font-weight: 600; }
.art-meta .av { width: 24px; height: 24px; border-radius: 999px; background: var(--mb-gradient); color: #fff; display: inline-flex; align-items: center; justify-content: center; font: 700 10px/1 var(--mb-font-sans); }

.art-body { margin-top: 26px; overflow-wrap: break-word; word-wrap: break-word; }
.art-body > *:first-child { margin-top: 0; }
.art-body p { margin: 0 0 16px; font: 400 16px/1.7 var(--mb-font-sans); color: var(--mb-fg-1); }
.art-body h2 { margin: 38px 0 14px; font: 800 22px/1.25 var(--mb-font-sans); letter-spacing: -0.02em; scroll-margin-top: 120px; }
.art-body h3 { margin: 28px 0 10px; font: 700 17px/1.3 var(--mb-font-sans); letter-spacing: -0.015em; scroll-margin-top: 120px; }
.art-body ul, .art-body ol { margin: 0 0 18px; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.art-body li { position: relative; padding-left: 30px; font: 400 16px/1.6 var(--mb-font-sans); color: var(--mb-fg-1); }
.art-body ul li::before { content: ''; position: absolute; left: 8px; top: 11px; width: 6px; height: 6px; border-radius: 999px; background: var(--mb-grad-3); }
.art-body ol { counter-reset: step; }
.art-body ol li { counter-increment: step; padding-left: 38px; }
.art-body ol li::before {
  content: counter(step); position: absolute; left: 0; top: 1px;
  width: 24px; height: 24px; border-radius: 8px; background: var(--mb-gradient-soft); color: var(--mb-grad-3);
  display: inline-flex; align-items: center; justify-content: center; font: 700 12px/1 var(--mb-font-sans);
}
.art-body strong { font-weight: 700; color: var(--mb-fg); }
.art-body a.ilink { color: var(--mb-grad-3); font-weight: 600; border-bottom: 1px solid rgba(225,45,97,0.3); }
.art-body img { max-width: 100%; height: auto; }
.art-body code { font: 500 14px/1 var(--mb-font-mono); background: var(--mb-bg-3); border: 1px solid var(--mb-line); border-radius: 6px; padding: 2px 6px; color: var(--mb-grad-4); }

.callout { display: flex; gap: 14px; margin: 22px 0; padding: 16px 18px; border-radius: 14px; background: var(--mb-bg-3); border: 1px solid var(--mb-line); }
.callout .c-ico { width: 32px; height: 32px; border-radius: 9px; flex: none; display: inline-flex; align-items: center; justify-content: center; }
.callout .c-body { font: 400 14.5px/1.6 var(--mb-font-sans); color: var(--mb-fg-1); }
.callout .c-body b { display: block; margin-bottom: 2px; font-weight: 700; color: var(--mb-fg); }
.callout.tip { background: var(--mb-gradient-soft); border-color: rgba(225,45,97,0.2); }
.callout.tip .c-ico { background: var(--mb-gradient); color: #fff; }
.callout.info { background: rgba(0,91,255,0.06); border-color: rgba(0,91,255,0.18); }
.callout.info .c-ico { background: rgba(0,91,255,0.12); color: var(--mb-info); }
.callout.warn { background: var(--mb-warning-bg); border-color: rgba(224,138,0,0.22); }
.callout.warn .c-ico { background: rgba(224,138,0,0.16); color: var(--mb-warning); }

/* PROMO BLOCKS */
.promo-block { margin: 28px 0; padding: 24px 26px; border-radius: 16px; background: linear-gradient(135deg, rgba(255,115,85,0.06) 0%, rgba(249,56,92,0.06) 35%, rgba(225,45,97,0.06) 65%, rgba(97,48,124,0.06) 100%); border: 1px solid rgba(225,45,97,0.15); display: flex; align-items: flex-start; gap: 20px; flex-wrap: wrap; }
.promo-content { flex: 1; min-width: 240px; }
.promo-badge { display: inline-block; font: 700 10.5px/1 var(--mb-font-sans); letter-spacing: 0.08em; text-transform: uppercase; color: #fff; background: var(--mb-gradient); padding: 5px 10px; border-radius: 6px; margin-bottom: 10px; }
.promo-title { font: 800 18px/1.25 var(--mb-font-sans); color: var(--mb-fg); letter-spacing: -0.02em; margin-bottom: 6px; }
.promo-desc { font: 400 14px/1.6 var(--mb-font-sans); color: var(--mb-fg-1); }
.promo-features { margin: 10px 0 0; padding: 0; list-style: none; }
.promo-features li { font: 400 13.5px/1.6 var(--mb-font-sans); color: var(--mb-fg-1); padding: 2px 0 2px 18px; position: relative; }
.promo-features li::before { content: ''; position: absolute; left: 0; top: 7px; width: 6px; height: 6px; border-radius: 50%; background: var(--mb-grad-3); }
.promo-block .btn { align-self: center; flex: none; white-space: nowrap; display: inline-flex; align-items: center; gap: 8px; font: 600 13.5px/1 var(--mb-font-sans); padding: 12px 20px; border-radius: 11px; border: none; cursor: pointer; text-decoration: none; transition: all 180ms var(--mb-ease-out); }
.promo-btn-contact { background: var(--mb-gradient); color: #fff; box-shadow: 0 8px 22px -6px rgba(225,45,97,0.4), 0 4px 12px -4px rgba(97,48,124,0.3); }
.promo-btn-contact:hover { transform: translateY(-1px); box-shadow: 0 14px 36px -8px rgba(225,45,97,0.5), 0 8px 20px -6px rgba(97,48,124,0.4); }
.promo-btn-try { background: #fff; color: var(--mb-fg); border: 1px solid var(--mb-line-1) !important; box-shadow: 0 1px 2px rgba(11,15,26,0.04); }
.promo-btn-try:hover { background: var(--mb-bg-3); border-color: var(--mb-line-2) !important; transform: translateY(-1px); }
@media (max-width: 600px) {
  .promo-block { flex-direction: column; padding: 20px; }
  .promo-block .btn { align-self: stretch; justify-content: center; }
}

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 8px 0 22px; border-radius: 12px; }
.art-table { width: 100%; border-collapse: collapse; border: 1px solid var(--mb-line); border-radius: 12px; overflow: hidden; min-width: 480px; }
.art-table th { background: var(--mb-bg-3); text-align: left; font: 700 13px/1.3 var(--mb-font-sans); color: var(--mb-fg-1); padding: 11px 14px; }
.art-table td { padding: 11px 14px; font: 400 14px/1.5 var(--mb-font-sans); color: var(--mb-fg-1); border-top: 1px solid var(--mb-line); }
.art-table tr td:first-child { font-weight: 600; }

.art-feedback { margin-top: 40px; padding: 22px 24px; border-radius: 16px; background: var(--mb-bg-3); display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.art-feedback .q { font: 700 15px/1.3 var(--mb-font-sans); }
.art-fb-btns { display: flex; gap: 8px; }

.art-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.art-nav-card { display: flex; flex-direction: column; gap: 6px; padding: 16px 18px; border: 1px solid var(--mb-line); border-radius: 14px; transition: all 160ms var(--mb-ease-out); background: #fff; }
.art-nav-card:hover { border-color: var(--mb-line-2); box-shadow: var(--mb-glow-card); transform: translateY(-1px); }
.art-nav-card.next { text-align: right; align-items: flex-end; }
.art-nav-card .lbl { font: 600 11px/1 var(--mb-font-sans); letter-spacing: 0.06em; text-transform: uppercase; color: var(--mb-fg-3); display: inline-flex; align-items: center; gap: 6px; }
.art-nav-card .ttl { font: 600 14.5px/1.3 var(--mb-font-sans); color: var(--mb-fg); }

/* ToC */
.kb-toc { position: static; overflow-y: auto; }
.kb-toc .h { font: 700 11px/1 var(--mb-font-sans); letter-spacing: 0.08em; text-transform: uppercase; color: var(--mb-fg-3); margin-bottom: 14px; padding-left: 13px; }
.kb-toc a { display: block; padding: 6px 13px; border-left: 2px solid var(--mb-line); font: 500 13px/1.4 var(--mb-font-sans); color: var(--mb-fg-2); transition: all 140ms var(--mb-ease-out); }
.kb-toc a:hover { color: var(--mb-fg); border-left-color: var(--mb-line-2); }
.kb-toc a.active { color: var(--mb-grad-3); border-left-color: var(--mb-grad-3); font-weight: 600; }

@media (max-width: 1180px) { .nav-logo img { height: 64px; } .kb-wrap { grid-template-columns: 264px minmax(0,1fr); } }

/* Mobile */
.kb-treebar { display: none; }
.kb-tree-backdrop { display: none; }
@media (max-width: 860px) {
  .nav-logo img { height: 56px; }
  .kb-hero { padding: 14px 14px 4px; }
  .kb-hero h1 { font-size: 30px; }
  .kb-wrap { grid-template-columns: 1fr; padding: 16px 16px 48px; gap: 0; }
  .kb-article { padding: 20px 16px 28px; border-radius: 18px; }
  .art-h1 { font-size: 26px; }
  .art-body p, .art-body li { font-size: 15.5px; }
  .art-meta { gap: 10px 14px; }
  .art-nav { grid-template-columns: 1fr; }

  .kb-treebar {
    display: flex; align-items: center; gap: 12px;
    position: static; z-index: 30; margin-bottom: 16px;
    padding: 13px 16px; background: #fff; border: 1px solid var(--mb-line-1); border-radius: 14px;
    box-shadow: var(--mb-glow-card); color: var(--mb-fg); text-align: left; cursor: pointer;
    min-width: 0; max-width: 100%; overflow: hidden;
  }
  .kb-treebar .tb-ico { width: 34px; height: 34px; border-radius: 10px; flex: none; display: inline-flex; align-items: center; justify-content: center; background: var(--mb-gradient-soft); color: var(--mb-grad-3); }
  .kb-treebar .tb-text { flex: 1; min-width: 0; }
  .kb-treebar .tb-lbl { display: block; font: 600 10.5px/1 var(--mb-font-sans); letter-spacing: 0.06em; text-transform: uppercase; color: var(--mb-fg-3); margin-bottom: 4px; }
  .kb-treebar .tb-cur { display: block; font: 700 14px/1.2 var(--mb-font-sans); color: var(--mb-fg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

  .kb-tree {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 90;
    width: min(330px, 86vw); max-height: none; margin: 0; padding: 18px 14px 24px;
    background: #fff; box-shadow: 0 30px 80px -20px rgba(11,15,26,0.4);
    transform: translateX(-105%); transition: transform 300ms var(--mb-ease-out);
    overflow-y: auto;
  }
  .kb-tree.open { transform: translateX(0); }
  .kb-tree-head { display: flex !important; align-items: center; justify-content: space-between; padding: 4px 6px 14px; margin-bottom: 8px; border-bottom: 1px solid var(--mb-line); }
  .kb-tree-head .t { font: 800 17px/1 var(--mb-font-sans); letter-spacing: -0.02em; }
  .kb-tree-close { width: 36px; height: 36px; border-radius: 10px; border: 0; background: var(--mb-bg-3); color: var(--mb-fg-1); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
  .kb-tree-backdrop { display: block; position: fixed; inset: 0; z-index: 80; background: rgba(11,15,26,0.45); backdrop-filter: blur(3px); opacity: 0; pointer-events: none; transition: opacity 280ms var(--mb-ease-out); }
  .kb-tree-backdrop.open { opacity: 1; pointer-events: auto; }
}
.kb-tree-head { display: none; }

/* FOOTER */
.kb-footer { position: relative; overflow: hidden; }
.kb-footer::before { content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none; background: radial-gradient(800px 500px at 90% 0, rgba(255,115,85,0.08), transparent 60%), radial-gradient(900px 560px at -5% 100%, rgba(97,48,124,0.07), transparent 65%); }
.kb-footer > * { position: relative; z-index: 1; }
.kf-wrap { max-width: 1320px; margin: 0 auto; padding: 64px 56px 28px; }
.kf-top { padding-top: 56px; border-top: 1px solid var(--mb-line); display: grid; grid-template-columns: minmax(0, 360px) 1fr; gap: 96px; align-items: flex-start; }
.kf-brand { display: flex; flex-direction: column; gap: 22px; min-width: 0; }
.kf-brand .nav-logo img { height: 56px; width: auto; }
.kf-brand p { font: 500 14.5px/1.5 var(--mb-font-sans); color: var(--mb-fg-2); margin: 0; max-width: 320px; }
.kf-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding-top: 4px; }
.kf-col { display: flex; flex-direction: column; gap: 14px; }
.kf-col h4 { margin: 0; font: 700 15px/1 var(--mb-font-sans); letter-spacing: -0.015em; color: var(--mb-fg); }
.kf-col ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 4px; }
.kf-col a { display: inline-flex; align-self: flex-start; padding: 4px 0; font: 500 14px/1.45 var(--mb-font-sans); letter-spacing: -0.005em; color: var(--mb-fg-2); text-decoration: none; transition: color 150ms var(--mb-ease-out); }
.kf-col a:hover { color: var(--mb-fg); }
.kf-bottom { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--mb-line); display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; font: 500 12.5px/1.4 var(--mb-font-sans); color: var(--mb-fg-3); }
@media (max-width: 860px) {
  .kf-wrap { padding: 36px 22px 22px; }
  .kf-top { grid-template-columns: 1fr; gap: 30px; padding-top: 28px; }
  .kf-brand .nav-logo img { height: 48px; }
  .kf-brand p { font-size: 13.5px; }
  .kf-cols { grid-template-columns: 1fr 1fr; gap: 28px 24px; }
  .kf-bottom { margin-top: 32px; padding-top: 18px; flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* Ссылки в тексте статей: фирменный цвет + подчёркивание, чтобы кликабельность была очевидна */
.art-body p a, .art-body li a, .art-body td a, .art-body .c-body a {
  color: var(--mb-grad-3);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--mb-grad-3) 45%, transparent);
  text-underline-offset: 2px;
  font-weight: 500;
  transition: color .15s, text-decoration-color .15s;
}
.art-body p a:hover, .art-body li a:hover, .art-body td a:hover, .art-body .c-body a:hover {
  color: var(--mb-grad-2);
  text-decoration-color: var(--mb-grad-2);
}

.side-h1 { font: 800 20px/1.2 var(--mb-font-sans); letter-spacing: -0.02em; color: var(--mb-fg); margin: 0 0 14px; }


/* === правовой блок: копия стилей главной === */