:root {
    --bg: #F4F3EF;
    --surface: #FFFFFF;
    --ink: #0A0A0A;
    --ink-muted: #45443E;
    --ink-faint: #83816F;
    --line: #DCDAD2;
    --line-strong: #B9B6A6;
    --accent: #E8461A;
    --accent-ink: #F4F3EF;
    --btn-bg: #0A0A0A;
    --btn-ink: #F4F3EF;
  }

  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --bg: #0A0A0A;
      --surface: #141412;
      --ink: #F4F3EF;
      --ink-muted: #B0AEA3;
      --ink-faint: #726F63;
      --line: #242420;
      --line-strong: #3A382F;
      --accent: #FF5A2E;
      --accent-ink: #0A0A0A;
      --btn-bg: #F4F3EF;
      --btn-ink: #0A0A0A;
    }
  }

  :root[data-theme="dark"] {
    --bg: #0A0A0A;
    --surface: #141412;
    --ink: #F4F3EF;
    --ink-muted: #B0AEA3;
    --ink-faint: #726F63;
    --line: #242420;
    --line-strong: #3A382F;
    --accent: #FF5A2E;
    --accent-ink: #0A0A0A;
    --btn-bg: #F4F3EF;
    --btn-ink: #0A0A0A;
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Archivo", ui-sans-serif, system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  }

  a { color: inherit; }
  a:focus-visible, button:focus-visible, summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
  }

  h1, h2, h3 {
    font-family: "Archivo Black", ui-sans-serif, sans-serif;
    text-transform: uppercase;
    text-wrap: balance;
    margin: 0;
    letter-spacing: -0.01em;
  }
  em { font-style: normal; color: var(--accent); }
  .tnum { font-variant-numeric: tabular-nums; }

  .wrap { max-width: 1160px; margin: 0 auto; padding: 0 32px; }

  .eyebrow {
    font-family: "Space Mono", monospace;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
  }

  /* ---------- Header ---------- */
  header.site {
    position: sticky;
    top: 0;
    z-index: 40;
    background: color-mix(in srgb, var(--bg) 92%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 2px solid var(--ink);
  }
  .nav { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
  .brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); }
  .brand-mark { font-family: "Archivo Black", sans-serif; font-size: 20px; text-transform: uppercase; letter-spacing: -0.01em; }
  .brand-tag { font-family: "Space Mono", monospace; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); white-space: nowrap; }
  @media (max-width: 420px) { .brand-tag { display: none; } }
  nav.links { display: flex; gap: 28px; font-size: 13.5px; }
  nav.links a { text-decoration: none; color: var(--ink-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.02em; }
  nav.links a:hover { color: var(--accent); }
  @media (max-width: 780px) { nav.links { display: none; } }

  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: "Archivo", sans-serif;
    font-weight: 700;
    font-size: 13.5px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    text-decoration: none;
    padding: 14px 24px;
    border: 2px solid var(--ink);
    cursor: pointer;
    white-space: nowrap;
  }
  .btn-primary { background: var(--btn-bg); color: var(--btn-ink); border-color: var(--btn-bg); }
  .btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
  .btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
  .btn-whatsapp { border-color: var(--accent); color: var(--accent); background: transparent; }
  .btn-whatsapp:hover { background: var(--accent); color: var(--accent-ink); }
  .btn svg { width: 16px; height: 16px; flex-shrink: 0; }

  /* ---------- Floating WhatsApp CTA ---------- */
  .whatsapp-fixed {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 50;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: var(--accent);
    color: var(--accent-ink);
    font-family: "Archivo", sans-serif;
    font-weight: 700;
    font-size: 13.5px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    text-decoration: none;
    padding: 14px 20px;
    border-radius: 999px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  }
  .whatsapp-fixed:hover { filter: brightness(1.08); }
  .whatsapp-fixed svg { width: 19px; height: 19px; flex-shrink: 0; }
  @media (max-width: 480px) {
    .whatsapp-fixed span { display: none; }
    .whatsapp-fixed { padding: 14px; }
  }

  /* ---------- Hero ---------- */
  .hero { padding: 72px 0 64px; }
  .hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: start; }
  @media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

  .hero h1 {
    font-size: clamp(38px, 6vw, 72px);
    line-height: 0.98;
    margin: 18px 0 26px;
    max-width: 13ch;
  }
  .hero-sub { font-size: 18.5px; color: var(--ink-muted); max-width: 48ch; margin-bottom: 32px; }
  .hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }

  .hero-cred { display: flex; flex-direction: column; gap: 10px; padding-top: 24px; border-top: 2px solid var(--ink); }
  .hero-cred div { font-size: 13.5px; color: var(--ink-muted); font-weight: 600; }
  .hero-cred span { color: var(--accent); font-family: "Space Mono", monospace; margin-right: 10px; }

  .spec-box {
    border: 2px solid var(--ink);
    padding: 26px;
  }
  .spec-box .eyebrow { display: block; margin-bottom: 18px; }
  .spec-row { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 0; border-top: 1px solid var(--line); font-family: "Space Mono", monospace; font-size: 13px; }
  .spec-row:first-of-type { border-top: none; }
  .spec-row span:first-child { color: var(--ink-muted); }
  .spec-row span:last-child { color: var(--ink); font-weight: 700; }

  /* ---------- Section shell ---------- */
  section.block { padding: 76px 0; }
  section.block.bordered { border-top: 2px solid var(--ink); }
  .section-head { margin-bottom: 44px; max-width: 62ch; }
  .section-head h2 { font-size: clamp(28px, 3.8vw, 42px); margin-top: 12px; }
  .section-intro { color: var(--ink-muted); max-width: 62ch; margin-top: 16px; font-size: 16.5px; }

  /* ---------- Numbered lists (mandate / services / track record) ---------- */
  .num-list { display: flex; flex-direction: column; }
  .num-item {
    display: grid;
    grid-template-columns: 84px 1fr;
    gap: 24px;
    padding: 28px 0;
    border-top: 1px solid var(--line);
  }
  .num-item:last-child { border-bottom: 1px solid var(--line); }
  @media (max-width: 620px) { .num-item { grid-template-columns: 52px 1fr; gap: 16px; } }
  .num-mark {
    font-family: "Space Mono", monospace;
    font-weight: 700;
    font-size: 15px;
    color: var(--accent);
    padding-top: 2px;
  }
  .num-item h3 { font-family: "Archivo", sans-serif; font-weight: 800; font-size: 17px; text-transform: none; letter-spacing: 0; margin-bottom: 8px; }
  .num-item p { margin: 0; color: var(--ink-muted); max-width: 62ch; }
  .inline-link { color: var(--accent); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset: 3px; }
  .inline-link:hover { text-decoration-color: var(--accent); }

  /* ---------- Toolkit ---------- */
  .toolkit { display: flex; gap: 56px; flex-wrap: wrap; margin-top: 44px; padding-top: 36px; border-top: 2px solid var(--ink); }
  .toolkit-group .eyebrow { display: block; margin-bottom: 16px; }
  .chips { display: flex; flex-wrap: wrap; gap: 10px; }
  .chip { border: 2px solid var(--ink); padding: 8px 16px; font-family: "Space Mono", monospace; font-size: 13px; font-weight: 700; text-transform: uppercase; color: var(--ink); }

  /* ---------- Offer ---------- */
  .offer { border: 3px solid var(--ink); padding: 48px; position: relative; background: var(--surface); }
  @media (max-width: 620px) { .offer { padding: 30px 22px; } }
  .offer-flag {
    display: inline-block;
    background: var(--accent);
    color: var(--accent-ink);
    font-family: "Space Mono", monospace;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 8px 14px;
    margin-bottom: 22px;
  }
  .offer h3 { font-size: clamp(26px, 3.8vw, 38px); margin-bottom: 18px; max-width: 18ch; }
  .offer-body { color: var(--ink-muted); font-size: 17px; max-width: 62ch; margin-bottom: 30px; }
  .offer-terms { list-style: none; margin: 0 0 34px; padding: 0; display: grid; gap: 14px; }
  .offer-terms li { display: flex; gap: 14px; font-size: 15.5px; color: var(--ink); font-weight: 500; }
  .offer-terms li::before { content: "→"; color: var(--accent); font-weight: 700; flex-shrink: 0; }
  .offer-guarantee { border-top: 2px solid var(--ink); padding-top: 24px; font-size: 15px; color: var(--ink-muted); }
  .offer-guarantee strong { color: var(--ink); text-transform: uppercase; }

  /* ---------- Process ---------- */
  .process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
  @media (max-width: 820px) { .process { grid-template-columns: 1fr 1fr; gap: 36px 0; } }
  @media (max-width: 480px) { .process { grid-template-columns: 1fr; } }
  .step { padding-right: 28px; border-right: 1px solid var(--line); }
  .step:last-child { border-right: none; }
  @media (max-width: 820px) { .step { border-right: none; border-top: 1px solid var(--line); padding-top: 22px; padding-right: 0; } .step:nth-child(odd) { padding-right: 28px; } }
  .step-num { font-family: "Space Mono", monospace; font-weight: 700; color: var(--accent); font-size: 13px; margin-bottom: 12px; }
  .step h3 { font-family: "Archivo", sans-serif; font-weight: 800; font-size: 16.5px; text-transform: none; letter-spacing: 0; margin-bottom: 8px; }
  .step p { margin: 0; color: var(--ink-muted); font-size: 14.5px; }

  /* ---------- Pricing ---------- */
  .tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 2px solid var(--ink); }
  @media (max-width: 860px) { .tiers { grid-template-columns: 1fr; } }
  .tier { padding: 38px 30px; border-left: 2px solid var(--ink); display: flex; flex-direction: column; }
  .tier:first-child { border-left: none; }
  @media (max-width: 860px) { .tier { border-left: none; border-top: 2px solid var(--ink); } .tier:first-child { border-top: none; } }
  .tier.preferred { background: var(--btn-bg); color: var(--btn-ink); }
  .tier.preferred .tier-meta,
  .tier.preferred .tier-desc { color: color-mix(in srgb, var(--btn-ink) 68%, transparent); }
  .tier.preferred .tier-price small { color: color-mix(in srgb, var(--btn-ink) 60%, transparent); }
  .tier-badge { font-family: "Space Mono", monospace; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
  .tier h3 { font-size: 22px; margin-bottom: 6px; text-transform: uppercase; }
  .tier-meta { font-family: "Space Mono", monospace; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 20px; }
  .tier-desc { color: var(--ink-muted); font-size: 15px; margin-bottom: 28px; flex-grow: 1; }
  .tier-price { font-family: "Archivo Black", sans-serif; font-size: 22px; margin-bottom: 4px; text-transform: uppercase; }
  .tier-price small { display: block; font-family: "Space Mono", monospace; font-size: 11.5px; font-weight: 400; text-transform: none; color: var(--ink-faint); margin-top: 8px; }

  /* ---------- FAQ ---------- */
  .faq-list { border-top: 1px solid var(--line); }
  details.faq { border-bottom: 1px solid var(--line); padding: 22px 0; }
  details.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-family: "Archivo", sans-serif; font-weight: 700; font-size: 16.5px; }
  details.faq summary::-webkit-details-marker { display: none; }
  details.faq summary::after { content: "+"; font-family: "Space Mono", monospace; font-size: 20px; color: var(--accent); flex-shrink: 0; transition: transform 0.15s ease; }
  details.faq[open] summary::after { transform: rotate(45deg); }
  details.faq p { color: var(--ink-muted); margin: 14px 0 0; max-width: 68ch; font-size: 15.5px; }

  /* ---------- Final CTA (inverted) ---------- */
  .final-cta { background: var(--ink); color: var(--bg); }
  .final-cta h2 { font-size: clamp(30px, 4.6vw, 48px); max-width: 16ch; margin-bottom: 20px; color: var(--bg); }
  .final-cta p { color: color-mix(in srgb, var(--bg) 65%, transparent); font-size: 17px; max-width: 54ch; margin-bottom: 32px; }
  .final-cta .eyebrow { color: var(--accent); }
  .final-cta .btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
  .final-cta .btn-primary:hover { background: var(--bg); color: var(--ink); border-color: var(--bg); }
  .final-cta .btn-ghost { border-color: var(--bg); color: var(--bg); }
  .final-cta .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

  /* ---------- Footer ---------- */
  footer.site { padding: 36px 0; border-top: 2px solid var(--ink); }
  footer.site .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
  .footer-mark { font-family: "Space Mono", monospace; font-size: 12.5px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.04em; }
  footer.site nav { display: flex; gap: 22px; font-size: 13px; }
  footer.site nav a { text-decoration: none; color: var(--ink-muted); font-weight: 600; text-transform: uppercase; }
  footer.site nav a:hover { color: var(--accent); }

  /* ---------- Article template ---------- */
  .breadcrumb { display: flex; align-items: center; gap: 8px; font-family: "Space Mono", monospace; font-size: 12.5px; color: var(--ink-faint); margin-bottom: 22px; flex-wrap: wrap; }
  .breadcrumb a { color: var(--ink-faint); text-decoration: none; }
  .breadcrumb a:hover { color: var(--accent); }
  .breadcrumb span[aria-current] { color: var(--ink); }

  .article-hero { padding: 44px 0 56px; }
  .article-hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.04; margin: 18px 0 22px; max-width: 20ch; }
  .article-dek { font-size: 18.5px; color: var(--ink-muted); max-width: 62ch; margin-bottom: 26px; }
  .article-meta { display: flex; gap: 20px; flex-wrap: wrap; font-family: "Space Mono", monospace; font-size: 12.5px; color: var(--ink-faint); padding-top: 22px; border-top: 2px solid var(--ink); text-transform: uppercase; letter-spacing: 0.04em; }

  .article-body { max-width: 720px; }
  .article-body > .eyebrow { display: block; margin: 48px 0 10px; }
  .article-body > .eyebrow:first-child { margin-top: 0; }
  .article-body h2 { font-size: clamp(24px, 3.2vw, 32px); margin: 0 0 18px; }
  .article-body h3 { font-size: 19px; text-transform: none; letter-spacing: 0; font-family: "Archivo", sans-serif; font-weight: 800; margin: 30px 0 10px; }
  .article-body p { font-size: 17px; color: var(--ink-muted); margin: 0 0 20px; max-width: 68ch; }
  .article-body p strong { color: var(--ink); }
  .article-body ul, .article-body ol { margin: 0 0 24px; padding-left: 22px; color: var(--ink-muted); font-size: 16.5px; }
  .article-body li { margin-bottom: 10px; padding-left: 4px; }
  .article-body li::marker { color: var(--accent); font-weight: 700; }
  .article-body a { color: var(--accent); text-decoration: underline; text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset: 3px; }
  .article-body a:hover { text-decoration-color: var(--accent); }
  .article-body blockquote { margin: 32px 0; padding: 4px 0 4px 24px; border-left: 3px solid var(--accent); font-family: "Archivo", sans-serif; font-size: 19px; font-weight: 600; color: var(--ink); max-width: 60ch; }
  .article-body hr { border: none; border-top: 1px solid var(--line); margin: 40px 0; }

  .prose-table-wrap { overflow-x: auto; margin: 0 0 32px; border: 2px solid var(--ink); }
  table.prose-table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 480px; }
  table.prose-table th, table.prose-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); }
  table.prose-table thead th { font-family: "Space Mono", monospace; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); background: var(--surface); border-bottom: 2px solid var(--ink); }
  table.prose-table tbody tr:last-child td { border-bottom: none; }
  table.prose-table td.tnum, table.prose-table th.tnum { font-family: "Space Mono", monospace; }
  table.prose-table td strong { color: var(--ink); }

  .cta-box { border: 3px solid var(--ink); background: var(--surface); padding: 36px; margin: 40px 0; }
  @media (max-width: 620px) { .cta-box { padding: 26px 22px; } }
  .cta-box .eyebrow { display: block; margin-bottom: 14px; }
  .cta-box h3 { font-family: "Archivo Black", sans-serif; text-transform: uppercase; letter-spacing: -0.01em; font-size: 22px; margin: 0 0 12px; }
  .cta-box p { margin: 0 0 22px; }
  .cta-box .hero-ctas { margin-bottom: 0; }

  .related { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1px; background: var(--line-strong); border: 1px solid var(--line-strong); margin-top: 24px; }
  @media (max-width: 780px) { .related { grid-template-columns: 1fr; } }
  .related a { display: block; background: var(--surface); padding: 26px; text-decoration: none; color: var(--ink); }
  .related a:hover .related-title { color: var(--accent); }
  .related-eyebrow { font-family: "Space Mono", monospace; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; display: block; }
  .related-title { font-family: "Archivo", sans-serif; font-weight: 800; font-size: 16px; line-height: 1.3; }

  /* ---------- Insights index ---------- */
  .insights-list { display: flex; flex-direction: column; }
  .insights-item { display: block; text-decoration: none; color: var(--ink); padding: 36px 0; border-top: 1px solid var(--line); }
  .insights-list a.insights-item:last-child { border-bottom: 1px solid var(--line); }
  .insights-item:hover h2 { color: var(--accent); }
  .insights-item .eyebrow { display: block; margin-bottom: 12px; }
  .insights-item h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 12px; max-width: 26ch; }
  .insights-item p { color: var(--ink-muted); font-size: 16px; max-width: 62ch; margin: 0; }