/* ═══════════════════════════════════════════════════════════════════
   VIPRA SOFTWARE — CONTENT STYLESHEET
   Shared styles for all playbook / article pages.
   Covers: art-hero, art-body layout, TOC, prose, code blocks,
           callouts, results strip, sidebar, author box, sv-* pages.

   Link on every playbook/article page:
   <link rel="stylesheet" href="/css/content.css?v=20260616">

   DO NOT add page-specific styles here. Use a small inline <style>
   block on the page for any per-page overrides.
═══════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────
   SECTION 1 — ART-HERO ARTICLE PAGES (24 playbooks)
   Classes: .art-hero, .art-breadcrumb, .art-body, .art-content,
            .art-toc, .art-sidebar, etc.
───────────────────────────────────────────────────────────────── */
/* ── Article Hero ── */
    .art-hero {
      padding: 140px 0 72px;
      border-bottom: 1px solid var(--edge);
      position: relative;
      overflow: hidden;
    }
    .art-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 60% 50% at 80% 50%, var(--teal-soft) 0%, transparent 70%);
      pointer-events: none;
    }

    /* ── Breadcrumb ── */
    .art-breadcrumb {
      display: flex; align-items: center; gap: 10px;
      font-family: 'IBM Plex Mono', monospace; font-size: 10px;
      letter-spacing: .15em; text-transform: uppercase; color: var(--fog);
      margin-bottom: 28px;
    }
    .art-breadcrumb a { color: var(--teal); text-decoration: none; }
    .art-breadcrumb a:hover { text-decoration: underline; }

    /* ── Viral badge ── */
    .viral-badge {
      display: inline-flex; align-items: center; gap: 8px;
      background: linear-gradient(135deg, #d91f2f18, #d91f2f08);
      border: 1px solid rgba(217,31,47,.35);
      border-radius: 3px; padding: 5px 14px;
      font-family: 'IBM Plex Mono', monospace; font-size: 10px;
      letter-spacing: .12em; text-transform: uppercase; color: var(--red);
      margin-bottom: 20px;
      animation: pulse-badge 2.5s ease-in-out infinite;
    }
    @keyframes pulse-badge {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.75; }
    }
    .viral-dot {
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--red); animation: blink 1.2s ease-in-out infinite;
    }
    @keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.2} }

    /* ── View counter ── */
    .view-counter {
      display: flex; align-items: center; gap: 24px;
      padding: 14px 20px; margin: 28px 0 0;
      background: var(--bg2); border: 1px solid var(--edge); border-radius: 4px;
      max-width: 540px;
    }
    .view-stat { display: flex; align-items: center; gap: 10px; }
    .view-num {
      font-family: 'Archivo Black', sans-serif; font-size: 26px;
      line-height: 1; color: var(--heading); letter-spacing: .04em;
    }
    .view-num span { color: var(--teal); }
    .view-label {
      font-family: 'IBM Plex Mono', monospace; font-size: 9px;
      letter-spacing: .15em; text-transform: uppercase; color: var(--fog);
    }
    .view-divider { width: 1px; height: 36px; background: var(--edge); }

    /* ── Meta bar ── */
    .art-meta-bar {
      display: flex; gap: 32px; flex-wrap: wrap;
      padding: 20px 0; margin-top: 36px;
      border-top: 1px solid var(--edge); border-bottom: 1px solid var(--edge);
    }
    .art-meta-label {
      font-family: 'IBM Plex Mono', monospace; font-size: 9px;
      letter-spacing: .18em; text-transform: uppercase; color: var(--fog); margin-bottom: 3px;
    }
    .art-meta-value { font-size: 13px; font-weight: 600; color: var(--heading); }

    /* ── Article Layout ── */
    .art-body {
      display: grid;
      grid-template-columns: 1fr 300px;
      gap: 64px;
      padding: 72px 0 80px;
    }

    /* ── Article Content ── */
    .art-content { min-width: 0; }

    /* TOC */
    .art-toc {
      background: var(--bg2); border: 1px solid var(--edge);
      border-left: 3px solid var(--teal);
      border-radius: 3px; padding: 24px; margin: 0 0 40px;
    }
    .art-toc-title {
      font-family: 'IBM Plex Mono', monospace; font-size: 10px;
      letter-spacing: .15em; text-transform: uppercase; color: var(--fog); margin-bottom: 14px;
    }
    .art-toc ol {
      list-style: none; margin: 0; padding: 0; counter-reset: toc;
    }
    .art-toc li {
      counter-increment: toc;
      font-size: 13px; color: var(--body-text); padding: 5px 0;
      border-bottom: 1px solid var(--edge); display: flex; align-items: baseline; gap: 10px;
    }
    .art-toc li:last-child { border-bottom: none; }
    .art-toc li::before {
      content: "0" counter(toc);
      font-family: 'IBM Plex Mono', monospace; font-size: 10px;
      color: var(--red); letter-spacing: .1em; flex-shrink: 0;
    }
    .art-toc a { color: var(--body-text); text-decoration: none; }
    .art-toc a:hover { color: var(--teal); }

    /* Executive summary callout */
    .exec-summary {
      background: var(--surface); border: 1px solid var(--edge);
      border-left: 4px solid var(--teal); border-radius: 3px;
      padding: 28px 32px; margin: 0 0 40px;
    }
    .exec-summary-label {
      font-family: 'IBM Plex Mono', monospace; font-size: 9px;
      letter-spacing: .2em; text-transform: uppercase; color: var(--teal); margin-bottom: 12px;
    }
    .exec-summary p {
      font-size: 15px; color: var(--body-text); line-height: 1.8; margin-bottom: 14px;
    }
    .exec-summary p:last-child { margin-bottom: 0; }

    /* Section headings */
    .art-content h2 {
      font-family: 'Archivo Black', sans-serif; font-size: 30px;
      letter-spacing: .04em; text-transform: uppercase; color: var(--heading);
      margin: 52px 0 16px; padding-top: 8px;
      border-top: 1px solid var(--edge);
      display: flex; align-items: center; gap: 14px;
    }
    .art-content h2:first-of-type { margin-top: 0; border-top: none; }
    .h2-num {
      font-family: 'IBM Plex Mono', monospace; font-size: 13px;
      color: var(--red); letter-spacing: .1em; flex-shrink: 0;
    }
    .art-content h3 {
      font-size: 17px; font-weight: 700; color: var(--heading);
      margin: 32px 0 12px;
    }
    .art-content p {
      font-size: 15px; color: var(--body-text); line-height: 1.85; margin-bottom: 18px;
    }
    .art-content strong { color: var(--heading); font-weight: 600; }

    /* Inline code */
    .art-content code {
      font-family: 'IBM Plex Mono', monospace; font-size: 12px;
      background: var(--bg2); border: 1px solid var(--edge);
      border-radius: 2px; padding: 2px 6px; color: var(--teal);
    }

    /* Code blocks */
    .art-content pre {
      background: var(--surface); border: 1px solid var(--edge);
      border-radius: 4px; overflow-x: auto;
      margin: 20px 0 24px; position: relative;
    }
    .code-label {
      font-family: 'IBM Plex Mono', monospace; font-size: 9px;
      letter-spacing: .15em; text-transform: uppercase;
      color: var(--fog); padding: 8px 16px 0;
    }
    .art-content pre code {
      display: block; padding: 14px 16px 18px;
      background: none; border: none; border-radius: 0;
      font-size: 12px; line-height: 1.7; color: var(--body-text);
      white-space: pre; overflow-x: auto;
    }

    /* Tables */
    .art-content .table-wrap { overflow-x: auto; margin: 20px 0 28px; }
    .art-content table {
      width: 100%; border-collapse: collapse;
      font-size: 13px; color: var(--body-text);
    }
    .art-content th {
      font-family: 'IBM Plex Mono', monospace; font-size: 9px;
      letter-spacing: .15em; text-transform: uppercase;
      color: var(--fog); background: var(--bg2);
      padding: 10px 14px; text-align: left;
      border-bottom: 1px solid var(--edge);
    }
    .art-content td {
      padding: 10px 14px; border-bottom: 1px solid var(--edge);
    }
    .art-content tr:last-child td { border-bottom: none; }
    .art-content tr:hover td { background: var(--bg2); }
    .art-content td code { font-size: 11px; }

    /* Callout boxes */
    .callout {
      border-radius: 3px; padding: 18px 22px; margin: 24px 0;
      font-size: 14px; line-height: 1.75; color: var(--body-text);
      display: flex; gap: 14px;
    }
    .callout--warn { background: var(--amber-soft); border: 1px solid rgba(245,166,35,.3); }
    .callout--tip { background: var(--teal-soft); border: 1px solid rgba(0,200,180,.3); }
    .callout--hard { background: var(--red-soft); border: 1px solid rgba(217,31,47,.25); }
    .callout-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }

    /* Zone diagram */
    .zone-diagram {
      background: var(--surface); border: 1px solid var(--edge);
      border-radius: 4px; padding: 24px; margin: 20px 0 28px;
      font-family: 'IBM Plex Mono', monospace;
    }
    .zone-row {
      display: flex; align-items: center; gap: 0;
      margin-bottom: 10px;
    }
    .zone-row:last-child { margin-bottom: 0; }
    .zone-label {
      font-size: 11px; letter-spacing: .08em; font-weight: 500;
      padding: 8px 14px; border-radius: 2px; min-width: 160px; text-align: center;
    }
    .zone-arrow { font-size: 16px; color: var(--fog); margin: 0 12px; }
    .zone-desc { font-size: 11px; color: var(--fog); }
    .z-raw  { background: var(--bg2);         color: var(--fog);   border: 1px solid var(--edge); }
    .z-stg  { background: var(--teal-soft);   color: var(--teal);  border: 1px solid rgba(17,137,125,.3); }
    .z-int  { background: var(--amber-soft);  color: var(--amber); border: 1px solid rgba(168,121,8,.3); }
    .z-mart { background: rgba(10,132,255,.08); color: #0a84ff;    border: 1px solid rgba(10,132,255,.25); }
    .z-rpt  { background: var(--red-soft);    color: var(--red);   border: 1px solid rgba(224,56,44,.2); }

    /* Results strip */
    .results-strip {
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 1px; background: var(--edge);
      border: 1px solid var(--edge); border-radius: 4px;
      overflow: hidden; margin: 0 0 48px;
    }
    .rs-cell {
      background: var(--bg2); padding: 28px 20px; text-align: center;
    }
    .rs-num {
      font-family: 'Archivo Black', sans-serif; font-size: 44px;
      line-height: 1; color: var(--heading); letter-spacing: .02em;
    }
    .rs-num span { color: var(--teal); }
    .rs-num.red span, .rs-num.red { color: var(--red); }
    .rs-desc {
      font-family: 'IBM Plex Mono', monospace; font-size: 9px;
      letter-spacing: .1em; text-transform: uppercase;
      color: var(--fog); margin-top: 6px; line-height: 1.5;
    }

    /* Lessons list */
    .lessons-list { list-style: none; margin: 16px 0 24px; padding: 0; }
    .lessons-list li {
      font-size: 14px; color: var(--body-text); line-height: 1.75;
      padding: 12px 0 12px 24px; position: relative;
      border-bottom: 1px solid var(--edge);
    }
    .lessons-list li:last-child { border-bottom: none; }
    .lessons-list li::before {
      content: '▸'; position: absolute; left: 0;
      color: var(--red); font-size: 12px;
    }

    /* Takeaways grid */
    .takeaways-grid {
      display: grid; grid-template-columns: repeat(2, 1fr);
      gap: 16px; margin: 20px 0 32px;
    }
    .takeaway {
      background: var(--bg2); border: 1px solid var(--edge);
      border-radius: 3px; padding: 18px 20px;
    }
    .takeaway-icon { font-size: 20px; margin-bottom: 8px; }
    .takeaway strong {
      display: block; font-size: 13px; font-weight: 700;
      color: var(--heading); margin-bottom: 5px;
    }
    .takeaway p { font-size: 12px; color: var(--fog); line-height: 1.6; margin: 0; }

    /* ── Sidebar ── */
    .art-sidebar { position: sticky; top: 90px; align-self: start; }
    .sidebar-card {
      background: var(--surface); border: 1px solid var(--edge);
      border-radius: 4px; padding: 24px; margin-bottom: 18px;
    }
    .sidebar-card h4 {
      font-family: 'IBM Plex Mono', monospace; font-size: 9px;
      letter-spacing: .18em; text-transform: uppercase; color: var(--fog);
      margin-bottom: 14px;
    }
    .sidebar-tags { display: flex; flex-wrap: wrap; gap: 7px; }

    .sidebar-cta { background: var(--red-soft); border: 1px solid rgba(217,31,47,.25); }
    .sidebar-cta p { font-size: 13px; color: var(--body-text); line-height: 1.7; margin-bottom: 18px; }

    /* Progress bar */
    .read-progress {
      position: fixed; top: 0; left: 0; height: 3px;
      background: linear-gradient(90deg, var(--red), var(--teal));
      z-index: 9999; width: 0%; transition: width .1s linear;
    }

    /* Author box */
    .author-box {
      border-top: 1px solid var(--edge); margin-top: 52px;
      padding-top: 32px; display: flex; gap: 20px; align-items: flex-start;
    }
    .author-avatar {
      width: 52px; height: 52px; border-radius: 50%;
      background: linear-gradient(135deg, var(--teal), var(--red));
      display: flex; align-items: center; justify-content: center;
      font-family: 'Archivo Black', sans-serif; font-size: 22px; color: #fff; flex-shrink: 0;
    }
    .author-name { font-weight: 700; color: var(--heading); font-size: 14px; }
    .author-role {
      font-family: 'IBM Plex Mono', monospace; font-size: 10px;
      letter-spacing: .1em; color: var(--fog); margin-top: 2px;
    }
    .author-bio { font-size: 13px; color: var(--body-text); line-height: 1.7; margin-top: 8px; }

    /* Bottom nav */
    .art-nav-bottom {
      border-top: 1px solid var(--edge); padding: 36px 0;
      display: flex; justify-content: space-between; align-items: center;
      flex-wrap: wrap; gap: 16px;
    }

    @media (max-width: 900px) {
      .art-body { grid-template-columns: 1fr; }
      .art-sidebar { position: static; }
      .results-strip { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 600px) {
      .results-strip { grid-template-columns: 1fr 1fr; }
      .takeaways-grid { grid-template-columns: 1fr; }
      .zone-diagram { display: none; }
    }

    .sv-faq { margin:30px 0 10px; }
    .sv-faq details { border:1px solid var(--edge); border-radius:6px; background:var(--surface); margin-bottom:14px; overflow:hidden; }
    .sv-faq details[open] { border-color:var(--red); }
    .sv-faq summary { cursor:pointer; padding:18px 24px; font-size:15.5px; font-weight:600; color:var(--heading); list-style:none; position:relative; padding-right:54px; }
    .sv-faq summary::-webkit-details-marker { display:none; }
    .sv-faq summary::after { content:'+'; position:absolute; right:22px; top:50%; transform:translateY(-50%); font-size:20px; color:var(--red); }
    .sv-faq details[open] summary::after { content:'–'; }
    .sv-faq .sv-faq-a { padding:0 24px 20px; font-size:14.5px; color:var(--body-text); line-height:1.7; }

    .flow-diagram { font-family:'IBM Plex Mono',monospace; font-size:12px; line-height:1.85;
      background: var(--ink-2, #0D161F); color: var(--ink-text, #E9EEF1);
      border:1px solid var(--ink-line, rgba(233,238,241,.12)); border-radius:6px;
      padding:26px 30px; overflow-x:auto; margin:26px 0; white-space:pre; }
    .flow-diagram b { color: #2FC9B6; font-weight:600; }
    .flow-diagram i { color: #E0382C; font-style:normal; }

/* ─────────────────────────────────────────────────────────────────
   SECTION 2 — SV-HERO SURVEY/DECISION PAGES (4 playbooks)
   Classes: .sv-hero, .sv-breadcrumb, .sv-grid, .sv-card,
            .sv-stats, .sv-cases, .sv-faq, .ar-hero, etc.
   Files: delta-iceberg, llm-augmented, redshift-to-bigquery,
          self-serve-data-platform-governance
───────────────────────────────────────────────────────────────── */
.sv-hero { padding: 150px 0 70px; border-bottom: 1px solid var(--edge); background: radial-gradient(ellipse 80% 60% at 70% 0%, var(--red-soft), transparent 65%); }
    .sv-breadcrumb { display:flex; align-items:center; gap:10px; font-family:'IBM Plex Mono',monospace; font-size:10px; letter-spacing:0.15em; text-transform:uppercase; color:var(--fog); margin-bottom:32px; flex-wrap:wrap; }
    .sv-breadcrumb a { color: var(--teal); }
    .sv-hero .h1 { font-family:'Archivo Black',sans-serif; font-size:clamp(44px,7vw,84px); line-height:0.98; letter-spacing:0.015em; color:var(--heading); margin:14px 0 22px; }
    .sv-hero .h1 .accent { color: var(--red); }
    .sv-lead { font-size:18px; color:var(--body-text); max-width:760px; line-height:1.7; }
    .sv-facts { display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--edge); border:1px solid var(--edge); border-radius:4px; overflow:hidden; margin:52px 0 0; }
    .sv-fact { background:var(--bg2); padding:22px 24px; }
    .sv-fact-label { font-family:'IBM Plex Mono',monospace; font-size:9px; letter-spacing:0.18em; text-transform:uppercase; color:var(--fog); margin-bottom:6px; }
    .sv-fact-value { font-size:14px; font-weight:600; color:var(--heading); line-height:1.45; }
    .sv-section { padding: 84px 0; }
    .sv-section--alt { background: var(--bg2); border-top:1px solid var(--edge); border-bottom:1px solid var(--edge); }
    .sv-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:28px; margin-top:48px; }
    .sv-card { background:var(--surface); border:1px solid var(--edge); border-radius:6px; padding:34px 32px; transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
    .sv-card:hover { transform:translateY(-4px); border-color:var(--red); box-shadow:var(--shadow-card); }
    .sv-card h3 { font-family:'Archivo Black',sans-serif; font-size:24px; letter-spacing:0.05em; color:var(--heading); margin-bottom:18px; }
    .sv-card h3::before { content:''; display:inline-block; width:22px; height:2px; background:var(--red); margin-right:12px; vertical-align:middle; }
    .sv-card ul { list-style:none; }
    .sv-card li { font-size:14.5px; color:var(--body-text); padding:7px 0 7px 22px; position:relative; border-bottom:1px dashed var(--edge); }
    .sv-card li:last-child { border-bottom:none; }
    .sv-card li::before { content:'▸'; position:absolute; left:0; color:var(--teal); }
    .sv-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--edge); border:1px solid var(--edge); border-radius:4px; overflow:hidden; margin-top:48px; }
    .sv-stat { background:var(--bg); padding:42px 30px; text-align:center; }
    .sv-stat-num { font-family:'Archivo Black',sans-serif; font-size:58px; line-height:1; color:var(--red); }
    .sv-stat-title { font-size:14px; font-weight:600; color:var(--heading); margin-top:10px; }
    .sv-stat-sub { font-family:'IBM Plex Mono',monospace; font-size:10px; letter-spacing:0.1em; text-transform:uppercase; color:var(--fog); margin-top:4px; }
    .sv-cases { display:grid; grid-template-columns:repeat(2,1fr); gap:28px; margin-top:48px; }
    .sv-case { display:block; background:var(--surface); border:1px solid var(--edge); border-radius:6px; padding:30px 32px; transition:transform .25s ease, border-color .25s ease; }
    .sv-case:hover { transform:translateY(-4px); border-color:var(--teal); }
    .sv-case h3 { font-size:18px; font-weight:600; color:var(--heading); margin-bottom:8px; }
    .sv-case p { font-size:13.5px; color:var(--fog2); }
    .sv-case .go { font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:0.12em; text-transform:uppercase; color:var(--teal); margin-top:16px; display:inline-block; }
    .sv-faq { max-width:860px; margin:48px auto 0; }
    .sv-faq details { border:1px solid var(--edge); border-radius:6px; background:var(--surface); margin-bottom:14px; overflow:hidden; }
    .sv-faq details[open] { border-color:var(--red); }
    .sv-faq summary { cursor:pointer; padding:20px 26px; font-size:16px; font-weight:600; color:var(--heading); list-style:none; position:relative; padding-right:54px; }
    .sv-faq summary::-webkit-details-marker { display:none; }
    .sv-faq summary::after { content:'+'; position:absolute; right:24px; top:50%; transform:translateY(-50%); font-size:22px; color:var(--red); }
    .sv-faq details[open] summary::after { content:'–'; }
    .sv-faq .sv-faq-a { padding:0 26px 22px; font-size:15px; color:var(--body-text); line-height:1.7; }
    .sv-cta { text-align:center; padding:90px 0; }
    .sv-cta .h2 { margin-bottom:16px; }
    .sv-cta p { color:var(--body-text); max-width:560px; margin:0 auto 34px; }
    .btn-red { display:inline-block; background:var(--red); color:#fff; padding:16px 38px; border-radius:4px; font-weight:600; letter-spacing:0.02em; transition:transform .2s ease, box-shadow .2s ease; }
    .btn-red:hover { transform:translateY(-2px); box-shadow:0 8px 30px var(--red-glow); }
    .btn-ghost { display:inline-block; border:1px solid var(--edge2); color:var(--heading); padding:16px 38px; border-radius:4px; font-weight:600; margin-left:14px; transition:border-color .2s ease; }
    .btn-ghost:hover { border-color:var(--red); }
    @media (max-width: 900px) {
      .sv-facts { grid-template-columns:repeat(2,1fr); }
      .sv-grid, .sv-cases { grid-template-columns:1fr; }
      .sv-stats { grid-template-columns:1fr; }
      .btn-ghost { margin-left:0; margin-top:14px; }
    }
  
    .ar-hero { padding:140px 0 50px; border-bottom:1px solid var(--edge); }
    .ar-hero .h1 { font-family:'Archivo Black',sans-serif; font-size:clamp(38px,5.5vw,64px); line-height:1.02; color:var(--heading); margin:14px 0 18px; max-width:900px; }
    .ar-hero .h1 .accent { color:var(--red); }
    .ar-meta { display:flex; gap:28px; flex-wrap:wrap; font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--fog); margin-top:20px; }
    .ar-meta strong { color:var(--teal); font-weight:500; }
    .ar-body { max-width:820px; margin:0 auto; padding:56px 0 30px; }
    .ar-body h2 { font-family:'Archivo Black',sans-serif; font-size:30px; letter-spacing:0.04em; color:var(--heading); margin:46px 0 16px; }
    .ar-body h2::before { content:''; display:inline-block; width:24px; height:3px; background:var(--red); margin-right:14px; vertical-align:middle; }
    .ar-body h3 { font-size:19px; font-weight:600; color:var(--heading); margin:30px 0 10px; }
    .ar-body p { font-size:16.5px; color:var(--body-text); line-height:1.8; margin:14px 0; }
    .ar-body ul, .ar-body ol { margin:14px 0 14px 24px; }
    .ar-body li { font-size:16px; color:var(--body-text); line-height:1.75; margin:8px 0; }
    .ar-body strong { color: var(--heading); }
    .ar-body a { color:var(--teal); }
    .ar-body table { width:100%; border-collapse:collapse; margin:22px 0; font-size:14.5px; }
    .ar-body th { background:var(--surface2); color:var(--heading); font-weight:600; text-align:left; padding:12px 14px; border:1px solid var(--edge); font-size:13.5px; }
    .ar-body td { padding:12px 14px; border:1px solid var(--edge); color:var(--body-text); vertical-align:top; }
    .ar-tldr { background:var(--surface); border:1px solid var(--edge); border-left:3px solid var(--red); border-radius:6px; padding:26px 30px; margin:34px 0; }
    .ar-tldr h3 { font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:0.18em; text-transform:uppercase; color:var(--red); margin:0 0 12px; }
    .ar-tldr p, .ar-tldr li { font-size:15.5px; }
    .ar-stat { background:var(--surface); border:1px solid var(--edge); border-radius:6px; padding:22px 26px; margin:22px 0; }
    .ar-stat span { font-family:'Archivo Black',sans-serif; font-size:34px; color:var(--red); margin-right:14px; }
/* ─────────────────────────────────────────────────────────────────
   SECTION 3 — PAGE-HERO DARK IDENTITY PATTERN
   Standard inner-page hero that mirrors homepage's dark navy identity.
   Usage: <header class="page-hero [page-hero--teal | page-hero--red]">
   
   Replaces the light .sv-hero background with the homepage ink band.
   Breadcrumb uses teal, h1 uses clamp headline, subtitle in --ink-sub.
───────────────────────────────────────────────────────────────── */
.page-hero {
  padding: 140px 0 72px;
  background: var(--ink, #131F2A);
  border-bottom: 1px solid var(--ink-line, rgba(233,238,241,.12));
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--teal, #11897D), transparent 80%);
}
.page-hero::after {
  content: '';
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(17,137,125,.08) 0%, transparent 70%);
  top: -20%; right: -5%; filter: blur(60px); pointer-events: none;
}
.page-hero--red::after {
  background: radial-gradient(circle, rgba(201,24,74,.08) 0%, transparent 70%);
}
.page-hero-inner { position: relative; z-index: 2; max-width: 860px; }
.page-hero-breadcrumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-family: 'IBM Plex Mono', monospace; font-size: 10px;
  letter-spacing: .18em; text-transform: uppercase;
  color: var(--ink-sub, #93A4AF); margin-bottom: 28px;
}
.page-hero-breadcrumb a { color: var(--teal, #11897D); text-decoration: none; }
.page-hero-breadcrumb a:hover { text-decoration: underline; }
.page-hero-breadcrumb span { color: var(--ink-line, rgba(233,238,241,.35)); }
.page-hero h1 {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(36px, 5.5vw, 68px);
  line-height: 1.01; letter-spacing: .02em; text-transform: uppercase;
  color: var(--ink-text, #E9EEF1); margin-bottom: 20px;
}
.page-hero h1 .accent { color: var(--teal, #11897D); }
.page-hero h1 .red    { color: var(--red, #C9184A); }
.page-hero-lead {
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--ink-sub, #93A4AF); font-weight: 300; line-height: 1.8;
  max-width: 680px; margin-bottom: 28px;
}
.page-hero-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.page-hero-tag {
  font-family: 'IBM Plex Mono', monospace; font-size: 9px;
  letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid var(--ink-line, rgba(233,238,241,.18));
  color: var(--ink-sub, #93A4AF); border-radius: 2px; padding: 4px 10px;
}
.page-hero-tag.teal { border-color: rgba(17,137,125,.5); color: var(--teal, #11897D); }


/* ──────────────────────────────────────────────────────────────
   SVG DIAGRAM LAZY REVEAL
   content-visibility:auto = browser skips layout+paint until
   element is near viewport (major perf win for complex SVGs).
   .svg-visible class added by IntersectionObserver in site.js.
   ────────────────────────────────────────────────────────────── */
.flow-diagram,
.zone-diagram,
.cs-arch,
.arch-svg {
  content-visibility: auto;
  contain-intrinsic-size: auto 1px auto 420px; /* placeholder height avoids layout shift */
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .4s ease, transform .4s ease;
}
.flow-diagram.svg-visible,
.zone-diagram.svg-visible,
.cs-arch.svg-visible,
.arch-svg.svg-visible {
  opacity: 1;
  transform: none;
}
/* Immediately visible if JS is absent */
.no-js .flow-diagram,
.no-js .zone-diagram,
.no-js .cs-arch,
.no-js .arch-svg {
  opacity: 1;
  transform: none;
  content-visibility: visible;
}
/* Skip animation entirely for prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  .flow-diagram,
  .zone-diagram,
  .cs-arch,
  .arch-svg {
    opacity: 1 !important;
    transform: none !important;
    content-visibility: visible !important;
  }
}