/* ==========================================================================
   AZCode.ru — Design System
   Практические решения для веб-проектов
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root{
  /* ---- color: base ---- */
  --bg:            #FAFAF8;
  --bg-alt:        #F2F1EA;
  --surface:       #FFFFFF;
  --border:        #E2E0D5;
  --border-strong: #CBC8B9;

  /* ---- color: text ---- */
  --text:        #14181C;
  --text-muted:  #565C63;
  --text-faint:  #8B8F92;
  --text-on-dark:#E8EAE6;

  /* ---- color: accent (primary = engineering green) ---- */
  --accent:       #146C4E;
  --accent-dark:  #0E5740;
  --accent-soft:  #E3F1EA;
  --accent-line:  #BFE0CE;

  /* ---- color: status (secondary accent = amber) ---- */
  --status:       #B5690A;
  --status-soft:  #FBEBD8;
  --status-line:  #F0CFA0;

  /* ---- color: functional danger (semantic, not brand) ---- */
  --danger:       #AD2E22;
  --danger-soft:  #FBEAE7;
  --danger-line:  #EEC2BA;

  /* ---- category taxonomy colors (used as thin left-border only) ---- */
  --cat-ai:      #2A5DB0;
  --cat-php:     #146C4E;
  --cat-parsers: #147A73;
  --cat-devops:  #B5690A;
  --cat-tz:      #6B4FA0;
  --cat-tools:   #3A6A78;

  /* ---- code editor panel ---- */
  --code-bg:     #14181C;
  --code-bg-alt: #1B2126;
  --code-text:   #E6E8E3;
  --code-muted:  #8B9298;
  --code-accent: #7FD9A8;
  --code-line:   #262D33;

  /* ---- type ---- */
  --font-display: 'Manrope', 'Segoe UI', system-ui, sans-serif;
  --font-body:    'Manrope', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  /* ---- layout ---- */
  --container: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(20,24,28,.06);
  --shadow-md: 0 6px 20px rgba(20,24,28,.08);
}

/* ---- reset ---- */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul,ol{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; }
h1,h2,h3,h4,p,figure{ margin:0; }
input,textarea,select{ font-family: inherit; font-size: 1rem; }

:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior:auto !important; }
}

/* ---- typography ---- */
h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 800; letter-spacing: -0.02em; color: var(--text); }
h1{ font-size: clamp(1.9rem, 1.5rem + 1.8vw, 2.75rem); line-height: 1.15; }
h2{ font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem); line-height: 1.2; font-weight: 800; }
h3{ font-size: 1.25rem; line-height: 1.35; font-weight: 700; }
h4{ font-size: 1.05rem; line-height: 1.4; font-weight: 700; }
p{ color: var(--text-muted); }
.lede{ font-size: 1.125rem; color: var(--text-muted); line-height: 1.6; }

.mono{ font-family: var(--font-mono); }

/* signature element: "path" eyebrow, mimics a file path / breadcrumb */
.eyebrow{
  display:flex;
  align-items:center;
  gap:.3em;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: .01em;
  margin-bottom: .75rem;
  text-transform: lowercase;
}
.eyebrow .sep{ color: var(--text-faint); }
.eyebrow.alt{ color: var(--status); }

.section-label{
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--text-faint);
  display:flex;
  align-items:center;
  gap:.6rem;
  margin-bottom: 1.25rem;
}
.section-label::before{ content:"//"; color: var(--accent); }
.section-label .rule{ flex:1; height:1px; background: var(--border); }

/* ---- layout helpers ---- */
.container{ max-width: var(--container); margin:0 auto; padding: 0 24px; }
.section{ padding: 64px 0; }
.section.tight{ padding: 40px 0; }
.section.alt{ background: var(--bg-alt); }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.section-head p{ max-width: 60ch; }

.grid{ display:grid; gap: 24px; }
.grid-2{ grid-template-columns: repeat(2,1fr); }
.grid-3{ grid-template-columns: repeat(3,1fr); }
.grid-4{ grid-template-columns: repeat(4,1fr); }

/* ---- buttons ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  font-family: var(--font-display); font-weight: 700; font-size: .95rem;
  padding: .8rem 1.4rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor:pointer;
  transition: transform .12s ease, background-color .15s ease, border-color .15s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--accent); color: #fff; }
.btn-primary:hover{ background: var(--accent-dark); }
.btn-secondary{ background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-secondary:hover{ border-color: var(--accent); color: var(--accent); }
.btn-ghost{ background: transparent; color: var(--text); padding: .8rem .4rem; }
.btn-ghost:hover{ color: var(--accent); }
.btn-sm{ padding: .55rem 1rem; font-size: .85rem; }
.btn-block{ width:100%; }

/* ---- header ---- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(250,250,248,.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; height: 72px; gap: 24px; }
.logo{ display:flex; align-items:center; gap:.55rem; font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; color: var(--text); }
.logo .dot{ color: var(--accent); }
.logo-mark{
  width: 30px; height:30px; border-radius: 8px; background: var(--text);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-weight:700; font-size: .8rem;
}
.nav-main{ display:flex; align-items:center; gap: 28px; }
.nav-main a{ font-size: .93rem; font-weight: 600; color: var(--text-muted); position:relative; padding: 6px 0; }
.nav-main a:hover, .nav-main a.active{ color: var(--text); }
.nav-main a.active::after{ content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background: var(--accent); border-radius: 2px; }
.header-actions{ display:flex; align-items:center; gap: 12px; }
.icon-btn{
  width:38px; height:38px; border-radius: var(--radius-sm); border:1px solid var(--border);
  background: var(--surface); display:flex; align-items:center; justify-content:center; color: var(--text-muted);
}
.icon-btn:hover{ color: var(--accent); border-color: var(--accent-line); }
.nav-toggle{ display:none; }

.mega-nav{
  display:none;
}

/* dropdown for "Направления" */
.has-drop{ position:relative; }
.dropdown{
  position:absolute; top: 100%; left: -16px; margin-top: 14px;
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-md); padding: 10px; min-width: 240px;
  opacity:0; visibility:hidden; transform: translateY(6px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s;
}
.has-drop:hover .dropdown, .has-drop:focus-within .dropdown{ opacity:1; visibility:visible; transform: translateY(0); }
.dropdown a{ display:flex; align-items:center; gap:.6rem; padding: 9px 10px; border-radius: var(--radius-sm); font-size:.9rem; font-weight:600; color: var(--text); }
.dropdown a:hover{ background: var(--bg-alt); }
.dropdown .swatch{ width:8px; height:8px; border-radius:2px; flex-shrink:0; }

/* ---- footer ---- */
.site-footer{ background: var(--text); color: var(--text-on-dark); padding: 56px 0 28px; margin-top: 80px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid #2A3036; }
.footer-brand .logo{ color:#fff; margin-bottom: 12px; }
.footer-brand p{ color: #A7ADB2; max-width: 32ch; font-size:.92rem; }
.footer-col h4{ color:#fff; font-size:.82rem; text-transform:uppercase; letter-spacing:.06em; font-family: var(--font-mono); font-weight:600; margin-bottom: 16px; }
.footer-col ul{ display:flex; flex-direction:column; gap: 10px; }
.footer-col a{ color:#B7BCC0; font-size:.92rem; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top: 24px; flex-wrap:wrap; gap:12px; }
.footer-bottom p{ color:#7C8288; font-size:.82rem; }
.footer-bottom .legal-links{ display:flex; gap: 18px; }
.footer-bottom .legal-links a{ color:#7C8288; font-size:.82rem; }
.footer-bottom .legal-links a:hover{ color:#fff; }

/* ---- breadcrumbs ---- */
.breadcrumbs{ display:flex; flex-wrap:wrap; align-items:center; gap: .4rem; font-family: var(--font-mono); font-size: .82rem; color: var(--text-faint); margin-bottom: 20px; }
.breadcrumbs a{ color: var(--text-muted); }
.breadcrumbs a:hover{ color: var(--accent); }
.breadcrumbs .sep{ color: var(--border-strong); }
.breadcrumbs .current{ color: var(--text); }

/* ---- tags ---- */
.tags{ display:flex; flex-wrap:wrap; gap: 8px; }
.tag{
  font-family: var(--font-mono); font-size: .78rem; font-weight:500;
  padding: 5px 10px; border-radius: 999px; border:1px solid var(--border-strong);
  color: var(--text-muted); background: var(--surface);
}
.tag:hover{ border-color: var(--accent); color: var(--accent); }
.tag.is-active{ background: var(--text); color:#fff; border-color: var(--text); }

/* ---- badges ---- */
.badge{ display:inline-flex; align-items:center; gap:.35rem; font-family: var(--font-mono); font-size:.72rem; font-weight:600; padding: 3px 8px; border-radius: 5px; }
.badge-new{ background: var(--status-soft); color: var(--status); border:1px solid var(--status-line); }
.badge-updated{ background: var(--accent-soft); color: var(--accent); border:1px solid var(--accent-line); }

/* ---- cards: article ---- */
.card-article{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 22px; display:flex; flex-direction:column; gap: 12px; height:100%;
  border-left: 3px solid var(--accent);
  transition: box-shadow .15s ease, transform .15s ease, border-color .15s ease;
}
.card-article:hover{ box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-article .meta-row{ display:flex; align-items:center; justify-content:space-between; gap:8px; }
.card-article .cat{ font-family: var(--font-mono); font-size:.76rem; font-weight:600; color: var(--accent); }
.card-article time{ font-family: var(--font-mono); font-size:.76rem; color: var(--text-faint); }
.card-article h3 a{ color: var(--text); }
.card-article h3 a:hover{ color: var(--accent); }
.card-article p{ font-size: .93rem; }
.card-article .card-foot{ margin-top:auto; display:flex; align-items:center; justify-content:space-between; padding-top: 8px; border-top:1px dashed var(--border); font-size:.8rem; color: var(--text-faint); font-family: var(--font-mono); }

.card-article.cat-ai{ border-left-color: var(--cat-ai); }
.card-article.cat-ai .cat{ color: var(--cat-ai); }
.card-article.cat-php{ border-left-color: var(--cat-php); }
.card-article.cat-php .cat{ color: var(--cat-php); }
.card-article.cat-parsers{ border-left-color: var(--cat-parsers); }
.card-article.cat-parsers .cat{ color: var(--cat-parsers); }
.card-article.cat-devops{ border-left-color: var(--cat-devops); }
.card-article.cat-devops .cat{ color: var(--cat-devops); }
.card-article.cat-tz{ border-left-color: var(--cat-tz); }
.card-article.cat-tz .cat{ color: var(--cat-tz); }
.card-article.cat-tools{ border-left-color: var(--cat-tools); }
.card-article.cat-tools .cat{ color: var(--cat-tools); }

/* ---- cards: category / direction ---- */
.card-category{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 24px; display:flex; flex-direction:column; gap: 14px; height:100%;
  transition: box-shadow .15s ease, transform .15s ease;
}
.card-category:hover{ box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-category .icon{
  width:44px; height:44px; border-radius: var(--radius-sm); background: var(--accent-soft); color: var(--accent);
  display:flex; align-items:center; justify-content:center;
}
.card-category h3 a{ color: var(--text); }
.card-category .count{ font-family: var(--font-mono); font-size:.8rem; color: var(--text-faint); margin-top:auto; }
.card-category .count strong{ color: var(--text); }

/* ---- cards: product ---- */
.card-product{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 22px; display:flex; flex-direction:column; gap: 12px; height:100%;
}
.card-product .thumb{
  aspect-ratio: 16/10; border-radius: var(--radius-sm); background: var(--code-bg);
  display:flex; align-items:center; justify-content:center; overflow:hidden; position:relative;
}
.card-product .thumb .mono{ color: var(--code-accent); font-size:.75rem; }
.card-product .price-row{ display:flex; align-items:baseline; justify-content:space-between; margin-top:auto; }
.card-product .price{ font-family: var(--font-display); font-weight:800; font-size:1.35rem; }
.card-product .price span{ font-size:.85rem; color: var(--text-faint); font-weight:600; }
.card-product h3 a{ color: var(--text); }
.card-product p{ font-size:.9rem; }

/* ---- cards: service ---- */
.card-service{
  background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-md);
  padding: 26px; display:flex; flex-direction:column; gap: 14px; height:100%;
}
.card-service .num{ font-family: var(--font-mono); color: var(--text-faint); font-size:.85rem; }
.card-service ul{ display:flex; flex-direction:column; gap:8px; margin-top:4px; }
.card-service li{ font-size:.88rem; color: var(--text-muted); display:flex; gap:.5rem; }
.card-service li::before{ content:"→"; color: var(--accent); flex-shrink:0; }
.card-service .price-tag{ margin-top:auto; font-family: var(--font-mono); font-size:.85rem; color: var(--text-faint); padding-top:12px; border-top:1px dashed var(--border); }
.card-service .price-tag strong{ color: var(--text); }

/* ---- CTA block ---- */
.cta-block{
  background: var(--text); color:#fff; border-radius: var(--radius-lg);
  padding: 44px; display:flex; align-items:center; justify-content:space-between; gap: 32px; flex-wrap:wrap;
  position:relative; overflow:hidden;
}
.cta-block::before{
  content:""; position:absolute; inset:0;
  background-image: radial-gradient(circle at 85% 20%, rgba(127,217,168,.14), transparent 45%);
}
.cta-block .cta-text{ max-width: 56ch; position:relative; }
.cta-block h2{ color:#fff; }
.cta-block p{ color:#B7BCC0; margin-top: 10px; }
.cta-block .cta-actions{ display:flex; gap:12px; flex-wrap:wrap; position:relative; }
.cta-block .btn-secondary{ background: transparent; color:#fff; border-color:#3A4048; }
.cta-block .btn-secondary:hover{ border-color: var(--code-accent); color: var(--code-accent); }

/* ---- form ---- */
.form-grid{ display:grid; gap: 16px; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:.85rem; font-weight:600; color: var(--text); }
.field .hint{ font-size:.78rem; color: var(--text-faint); }
.field input, .field textarea, .field select{
  border:1px solid var(--border-strong); border-radius: var(--radius-sm); padding: .75rem .9rem;
  background: var(--surface); color: var(--text);
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color: var(--accent); }
.field textarea{ resize: vertical; min-height: 110px; }
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checkbox-row{ display:flex; align-items:flex-start; gap:.6rem; }
.checkbox-row input{ margin-top:4px; }
.checkbox-row label{ font-size:.82rem; color: var(--text-muted); font-weight:400; }
.form-panel{ background: var(--surface); border:1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; }

/* ---- code block ---- */
.code-block{
  background: var(--code-bg); border-radius: var(--radius-md); overflow:hidden; margin: 20px 0;
  border: 1px solid #262D33;
}
.code-block .code-head{
  display:flex; align-items:center; justify-content:space-between; padding: 10px 16px;
  background: var(--code-bg-alt); border-bottom: 1px solid var(--code-line);
}
.code-block .dots{ display:flex; gap:6px; }
.code-block .dots span{ width:9px; height:9px; border-radius:50%; background:#3A4148; }
.code-block .filename{ font-family: var(--font-mono); font-size:.78rem; color: var(--code-muted); }
.code-block .copy-btn{
  font-family: var(--font-mono); font-size:.74rem; color: var(--code-muted); background: transparent;
  border:1px solid var(--code-line); padding: 4px 10px; border-radius: 5px; cursor:pointer; display:flex; align-items:center; gap:.4rem;
}
.code-block .copy-btn:hover{ color:#fff; border-color:#4A525A; }
.code-block pre{ margin:0; padding: 18px 20px; overflow-x:auto; }
.code-block code{
  font-family: var(--font-mono); font-size: .88rem; line-height:1.7; color: var(--code-text);
  white-space:pre;
}
.code-block .c-kw{ color:#E39FD6; }
.code-block .c-fn{ color:#7FB6E3; }
.code-block .c-str{ color: var(--code-accent); }
.code-block .c-com{ color: var(--code-muted); font-style:italic; }
.code-block .c-var{ color:#F2C879; }

/* ---- notes ---- */
.note{ display:flex; gap: 14px; padding: 16px 18px; border-radius: var(--radius-md); border:1px solid; margin: 20px 0; }
.note .note-icon{ flex-shrink:0; width:22px; height:22px; margin-top:2px; }
.note .note-title{ font-weight:700; font-size:.92rem; margin-bottom:4px; font-family: var(--font-display); }
.note p{ font-size:.9rem; margin:0; }
.note-info{ background: var(--accent-soft); border-color: var(--accent-line); }
.note-info .note-icon, .note-info .note-title{ color: var(--accent-dark); }
.note-warning{ background: var(--danger-soft); border-color: var(--danger-line); }
.note-warning .note-icon, .note-warning .note-title{ color: var(--danger); }
.note-tip{ background: var(--status-soft); border-color: var(--status-line); }
.note-tip .note-icon, .note-tip .note-title{ color: var(--status); }

/* ---- checklist ---- */
.checklist{ display:flex; flex-direction:column; gap: 10px; margin: 20px 0; padding: 18px 20px; background: var(--bg-alt); border-radius: var(--radius-md); border:1px solid var(--border); }
.checklist li{ display:flex; align-items:flex-start; gap: 10px; font-size:.92rem; color: var(--text); }
.checklist li svg{ flex-shrink:0; margin-top:3px; color: var(--accent); }

/* ---- table ---- */
.table-wrap{ overflow-x:auto; margin: 20px 0; border:1px solid var(--border); border-radius: var(--radius-md); }
table{ width:100%; border-collapse: collapse; font-size:.9rem; }
thead th{ text-align:left; background: var(--bg-alt); padding: 12px 16px; font-family: var(--font-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.04em; color: var(--text-muted); border-bottom:1px solid var(--border); }
tbody td{ padding: 12px 16px; border-bottom:1px solid var(--border); color: var(--text-muted); }
tbody tr:last-child td{ border-bottom:none; }
tbody td:first-child{ color: var(--text); font-weight:600; }

/* ---- FAQ accordion ---- */
.faq-item{ border-bottom:1px solid var(--border); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; padding: 18px 4px;
  display:flex; align-items:center; justify-content:space-between; gap: 16px; cursor:pointer;
  font-family: var(--font-display); font-weight:700; font-size: 1rem; color: var(--text);
}
.faq-q .plus{ flex-shrink:0; width:22px; height:22px; position:relative; }
.faq-q .plus::before, .faq-q .plus::after{ content:""; position:absolute; background: var(--accent); border-radius:2px; }
.faq-q .plus::before{ width:14px; height:2px; top:10px; left:4px; }
.faq-q .plus::after{ width:2px; height:14px; top:4px; left:10px; transition: transform .18s ease; }
.faq-item.is-open .faq-q .plus::after{ transform: rotate(90deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .22s ease; }
.faq-a p{ padding: 0 4px 20px; font-size:.92rem; }
.faq-item.is-open .faq-a{ max-height: 400px; }

/* ---- pagination ---- */
.pagination{ display:flex; align-items:center; justify-content:center; gap: 8px; margin-top: 40px; font-family: var(--font-mono); font-size:.88rem; }
.pagination a, .pagination span{ width:38px; height:38px; display:flex; align-items:center; justify-content:center; border-radius: var(--radius-sm); border:1px solid var(--border); color: var(--text-muted); }
.pagination a:hover{ border-color: var(--accent); color: var(--accent); }
.pagination .is-current{ background: var(--text); color:#fff; border-color: var(--text); }
.pagination .dots{ border:none; color: var(--text-faint); }

/* ---- author block ---- */
.author-block{ display:flex; align-items:center; gap: 14px; padding: 18px; background: var(--bg-alt); border-radius: var(--radius-md); margin: 28px 0; }
.author-avatar{ width:48px; height:48px; border-radius:50%; background: var(--text); color:#fff; display:flex; align-items:center; justify-content:center; font-family: var(--font-mono); font-weight:700; flex-shrink:0; }
.author-block .name{ font-weight:700; font-size:.95rem; }
.author-block .role{ font-size:.82rem; color: var(--text-faint); font-family: var(--font-mono); }

/* ---- search ---- */
.search-box{ display:flex; gap: 10px; background: var(--surface); border:1px solid var(--border-strong); border-radius: var(--radius-md); padding: 6px; }
.search-box input{ flex:1; border:none; padding: .9rem 1rem; font-size: 1.05rem; background:transparent; }
.search-box input:focus{ outline:none; }
.search-box button{ flex-shrink:0; }

/* ---- empty state ---- */
.empty-state{ text-align:center; padding: 64px 24px; }
.empty-state .glyph{ font-family: var(--font-mono); font-size: 3rem; color: var(--border-strong); margin-bottom: 16px; }
.empty-state h3{ margin-bottom: 8px; }
.empty-state p{ max-width: 44ch; margin:0 auto 20px; }

/* ---- table of contents ---- */
.toc{ background: var(--bg-alt); border:1px solid var(--border); border-radius: var(--radius-md); padding: 20px; }
.toc .section-label{ margin-bottom: 12px; }
.toc ol{ display:flex; flex-direction:column; gap: 9px; counter-reset: toc; }
.toc li{ counter-increment: toc; font-size:.88rem; }
.toc li a{ display:flex; gap:.6rem; color: var(--text-muted); }
.toc li a::before{ content: counter(toc, decimal-leading-zero); font-family: var(--font-mono); color: var(--accent); font-size:.78rem; flex-shrink:0; padding-top:1px; }
.toc li a:hover{ color: var(--accent); }
.toc li.sub{ padding-left: 24px; }

/* ---- trust block ---- */
.trust-row{ display:flex; flex-wrap:wrap; gap: 28px; align-items:center; }
.trust-item{ display:flex; align-items:center; gap:10px; font-size:.88rem; color: var(--text-muted); }
.trust-item svg{ color: var(--accent); flex-shrink:0; }

/* ---- stat row ---- */
.stat-row{ display:flex; gap: 36px; flex-wrap:wrap; }
.stat{ display:flex; flex-direction:column; gap:2px; }
.stat .num{ font-family: var(--font-mono); font-weight:700; font-size: 1.6rem; color: var(--text); }
.stat .label{ font-size:.8rem; color: var(--text-faint); }

/* ---- hero ---- */
.hero{ padding: 56px 0 64px; }
.hero-grid{ display:grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items:center; }
.hero h1{ margin-bottom: 18px; }
.hero .lede{ margin-bottom: 28px; }
.hero-actions{ display:flex; gap: 12px; margin-bottom: 32px; flex-wrap:wrap; }

/* editor preview panel used in hero (signature visual) */
.editor-panel{ background: var(--code-bg); border-radius: var(--radius-lg); overflow:hidden; box-shadow: var(--shadow-md); border: 1px solid #262D33; }
.editor-panel .code-head{ padding: 12px 18px; }
.editor-panel pre{ padding: 22px 24px; }
.editor-panel code{ font-size: .86rem; }

/* ---- misc content sections ---- */
.divider{ height:1px; background: var(--border); border:none; margin: 40px 0; }
.pill-list{ display:flex; flex-wrap:wrap; gap:10px; }

/* ============================= RESPONSIVE ============================= */
@media (max-width: 1024px){
  .grid-4{ grid-template-columns: repeat(2,1fr); }
  .grid-3{ grid-template-columns: repeat(2,1fr); }
  .footer-top{ grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .hero-grid{ grid-template-columns: 1fr; }
  .editor-panel{ order:-1; }
}

@media (max-width: 860px){
  .nav-main{ display:none; }
  .nav-toggle{
    display:flex; align-items:center; justify-content:center;
    width:38px; height:38px; border-radius: var(--radius-sm); border:1px solid var(--border); background: var(--surface);
  }
  .grid-2{ grid-template-columns: 1fr; }
  .field-row{ grid-template-columns: 1fr; }
  .cta-block{ padding: 32px; flex-direction:column; align-items:flex-start; }
}

@media (max-width: 640px){
  .container{ padding: 0 18px; }
  .section{ padding: 44px 0; }
  .grid-3, .grid-4{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; }
  h1{ font-size: 1.7rem; }
  .stat-row{ gap: 20px; }
  .site-header .container{ height:64px; }
}

/* ---- mobile nav drawer ---- */
.mobile-nav{
  position: fixed; inset:0; background: rgba(20,24,28,.5); z-index: 100;
  opacity:0; visibility:hidden; transition: opacity .2s ease, visibility .2s ease;
}
.mobile-nav.is-open{ opacity:1; visibility:visible; }
.mobile-nav-panel{
  position:absolute; top:0; right:0; bottom:0; width: min(320px, 84vw);
  background: var(--surface); padding: 22px; overflow-y:auto;
  transform: translateX(20px); transition: transform .2s ease;
}
.mobile-nav.is-open .mobile-nav-panel{ transform: translateX(0); }
.mobile-nav-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom: 24px; }
.mobile-nav a{ display:block; padding: 13px 4px; font-weight:600; font-size:1.02rem; border-bottom:1px solid var(--border); color: var(--text); }
.mobile-nav .btn{ margin-top: 20px; }