:root {
      --yellow: #ffd40f;
      --logo-accent: #ffd40f;
      --logo-text: #000;
      --ink: #000;
      --paper: #fff;
      --muted: rgba(0, 0, 0, 0.64);
      --rule: rgba(0, 0, 0, 0.18);
      --divider: rgba(0, 0, 0, 0.32);
      --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
      --mono: "IBM Plex Mono", "Courier New", monospace;
      --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
      --shell: min(1320px, calc(100% - clamp(32px, 6vw, 80px)));
      color-scheme: light;
    }

    :root[data-theme="dark"] {
      --logo-text: #f2f2ee;
      --ink: #f2f2ee;
      --paper: #0e0e0e;
      --muted: rgba(255, 255, 255, 0.66);
      --rule: rgba(255, 255, 255, 0.22);
      --divider: rgba(255, 255, 255, 0.32);
      color-scheme: dark;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 96px; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: var(--sans);
      font-size: 17px;
      line-height: 1.55;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }
    a { color: inherit; }
    h1, h2, h3, p, figure, ol, ul { margin: 0; }
    ol, ul { padding: 0; list-style: none; }
    img { display: block; max-width: 100%; }
    :focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; box-shadow: 0 0 0 6px var(--yellow); }
    .skip-link { position: fixed; top: -100px; left: 16px; z-index: 300; display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; background: var(--yellow); color: #000; border: 1px solid #000; font: 600 13px/1 var(--sans); text-decoration: none; }
    .skip-link:focus-visible { top: 12px; box-shadow: none; }

    /* Header */
    body.menu-open { overflow: hidden; }
    header { position: sticky; top: 0; z-index: 100; background: var(--paper); border-bottom: 1px solid var(--ink); }
    .header-shell { width: var(--shell); margin-inline: auto; min-height: 72px; display: flex; align-items: center; gap: 14px; flex-wrap: nowrap; padding-block: 0; }
    .brand-group { display: flex; align-items: center; gap: 9px; }
    .brand { display: inline-flex; align-items: center; text-decoration: none; }
    .brand-logo { width: 32px; height: auto; display: block; }
    .brand-logo__accent { fill: var(--logo-accent); }
    .brand-logo__ink { fill: var(--logo-text); }
    .brand-divider { width: 1px; height: 18px; background: var(--divider); }
    .brand-label { display: inline-block; inline-size: 110px; font: 500 10px/1.2 var(--mono); letter-spacing: 0.04em; white-space: nowrap; }
    .theme-toggle { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--ink); cursor: pointer; transition: background-color 140ms var(--ease-out), color 140ms var(--ease-out); }
    .theme-toggle::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; }
    .theme-toggle:hover { background: var(--yellow); color: #000; }
    .theme-toggle svg { width: 16px; height: 16px; }
    .theme-toggle .icon-sun { display: none; }
    [data-theme="dark"] .theme-toggle .icon-sun { display: block; }
    [data-theme="dark"] .theme-toggle .icon-moon { display: none; }
    .header-actions { display: flex; align-items: center; gap: clamp(10px, 1.6vw, 22px); flex: 0 0 auto; }
    .desktop-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(12px, 1.8vw, 26px); }
    .desktop-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font: 500 13px/1 var(--sans); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; text-decoration-color: var(--divider); }
    .desktop-nav a:hover { text-decoration-color: var(--ink); }
    .header-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid #000; border-radius: 2px; background: var(--yellow); color: #000; font: 600 13px/1 var(--sans); text-decoration: none; white-space: nowrap; }
    .menu-toggle { display: none; margin-left: auto; flex: 0 0 auto; align-items: center; justify-content: center; min-width: 48px; min-height: 44px; padding: 0 10px; border: 1px solid var(--ink); background: var(--paper); color: var(--ink); font: 500 11px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; }
    .mobile-menu { position: fixed; top: 72px; left: 0; right: 0; z-index: 95; max-height: calc(100dvh - 72px); overflow-y: auto; padding: 12px 24px 32px; background: var(--paper); border-bottom: 1px solid var(--ink); opacity: 0; transform: translateY(-8px); transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out); }
    .mobile-menu.is-open { opacity: 1; transform: translateY(0); }
    .mobile-nav { display: grid; }
    .mobile-nav a { display: flex; align-items: center; min-height: 50px; border-bottom: 1px solid var(--rule); font: 500 19px/1 var(--sans); text-decoration: none; }
    .mobile-lang { display: flex; align-items: center; gap: 2px; margin-top: 18px; padding-top: 8px; border-top: 1px solid var(--rule); }
    .mobile-cta { display: flex; align-items: center; justify-content: center; min-height: 48px; margin-top: 18px; border: 1px solid #000; border-radius: 2px; background: var(--yellow); color: #000; font: 600 14px/1 var(--sans); text-decoration: none; }
    .lang-switcher { display: flex; align-items: center; gap: 2px; }
    .lang-switcher a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; color: var(--muted); font: 500 10px/1 var(--mono); letter-spacing: 0.06em; text-decoration: none; }
    .lang-switcher a:hover { color: var(--ink); }
    .lang-switcher a[aria-current="page"] { color: var(--ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; text-decoration-color: var(--yellow); }
    .lang-switcher span { color: var(--rule); font: 400 10px/1 var(--mono); }

    /* Article shell */
    .article-shell { width: var(--shell); margin-inline: auto; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(16px, 2.2vw, 32px); }
    .breadcrumb { grid-column: 1 / -1; grid-row: 1; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-block: 26px 0; color: var(--muted); font: 500 10px/1.4 var(--mono); letter-spacing: 0.05em; text-transform: uppercase; }
    .breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--divider); }
    .breadcrumb span[aria-hidden="true"] { color: var(--rule); }

    .article-head { grid-column: 5 / span 6; grid-row: 2; padding-block: 28px 0; min-width: 0; }
    .article-head h1 { max-width: 18ch; font-size: clamp(2.6rem, 5.4vw, 4.6rem); font-weight: 600; line-height: 0.96; letter-spacing: -0.045em; text-wrap: balance; }
    .article-intro { display: grid; grid-template-columns: minmax(0, 1fr) 132px; gap: clamp(20px, 3vw, 40px); align-items: end; margin-top: 10px; }
    .standfirst { max-width: 58ch; margin: 0; padding-bottom: 16px; color: var(--muted); font-size: clamp(1.05rem, 1.6vw, 1.2rem); line-height: 1.55; }
    .article-portrait { width: 132px; aspect-ratio: 1 / 0.97; overflow: hidden; margin: 0; align-self: end; }
    .article-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: top; background: none; border: 0; }

    .article-meta-block { grid-column: 5 / span 6; grid-row: 3; min-width: 0; }

    .article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 0; padding-top: 16px; border-top: 1px solid var(--ink); }
    .author-mini { display: block; }
    .author-mini strong { display: block; font-size: 13px; font-weight: 600; }
    .author-mini span { display: block; color: var(--muted); font: 400 9px/1.4 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; }
    .tag { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; background: var(--yellow); color: #000; font: 500 8px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
    .meta-date, .meta-read { color: var(--muted); font: 400 9px/1.4 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; }
    .copy-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0; border: 0; background: none; color: var(--ink); font: 500 10px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--divider); cursor: pointer; }
    .copy-link:hover { text-decoration-color: var(--ink); }
    .copy-status { color: var(--muted); font: 400 9px/1.4 var(--mono); }
    .article-share { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; margin-bottom: 28px; padding-top: 18px; border-top: 1px solid var(--ink); }
    .article-share__label { color: var(--muted); font: 500 9px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

    /* TOC */
    .toc { grid-column: 1 / span 3; grid-row: 3 / span 2; align-self: start; position: sticky; top: 124px; padding-top: 0; }
    .toc-title { margin-top: -26px; padding-bottom: 8px; border-bottom: 1px solid var(--ink); color: var(--muted); font: 500 10px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
    .toc ol { display: grid; gap: 2px; margin-top: 10px; }
    .toc a { display: flex; align-items: center; min-height: 44px; padding: 0 0 0 12px; border-left: 2px solid transparent; color: var(--muted); font: 400 11px/1.4 var(--mono); text-decoration: none; }
    .toc a:hover { color: var(--ink); }
    .toc a[aria-current="location"] { color: var(--ink); border-left-color: var(--yellow); }
    .toc-mobile { display: none; grid-column: 5 / -1; margin-top: 24px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--rule); }
    .toc-mobile summary { display: flex; align-items: center; justify-content: space-between; min-height: 48px; cursor: pointer; font: 500 10px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
    .toc-mobile summary::after { content: "+"; font-size: 16px; }
    .toc-mobile[open] summary::after { content: "−"; }
    .toc-mobile ol { display: grid; gap: 2px; padding-bottom: 10px; }
    .toc-mobile a { display: flex; align-items: center; min-height: 44px; padding-left: 12px; border-left: 2px solid transparent; color: var(--muted); font: 400 11px/1.4 var(--mono); text-decoration: none; }
    .toc-mobile a[aria-current="location"] { color: var(--ink); border-left-color: var(--yellow); }

    /* Prose */
    .article-body { grid-column: 5 / span 6; grid-row: 4; min-width: 0; padding-block: 40px 0; }
    .article-side-wrap {
      grid-column: 11 / span 3;
      grid-row: 3 / span 2;
      align-self: stretch;
      min-width: 0;
    }

    .article-side {
      position: sticky;
      top: 124px;
      min-width: 0;
    }
    .side-title {
      margin-top: -26px;
      padding-bottom: 8px;
      border-bottom: 1px solid var(--ink);
      color: var(--muted);
      font: 500 10px/1.4 var(--mono);
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }
    .side-posts { display: grid; gap: 0; margin: 10px 0 0; padding: 0; list-style: none; }
    .side-posts a { display: grid; gap: 4px; padding: 12px 0; border-bottom: 1px solid var(--rule); text-decoration: none; }
    .side-post-date { color: var(--muted); font: 400 8px/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
    .side-post-title { font-size: 13px; font-weight: 500; line-height: 1.25; }
    .side-post-title:hover { text-decoration: underline; text-underline-offset: 2px; }
    .side-post-cat { color: var(--muted); font: 400 8px/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
    .side-all {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      margin-top: 8px;
      font: 500 9px/1.4 var(--mono);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-decoration: underline;
      text-underline-offset: 4px;
    }
    .side-cta { margin-top: 20px; padding: 16px; background: var(--yellow); color: #000; }
    .side-cta__label { font: 500 8px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
    .side-cta__title { margin: 8px 0 6px; font-size: 18px; font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }
    .side-cta__text { margin-bottom: 8px; font-size: 12px; line-height: 1.45; }
    .side-cta__link { display: inline-flex; align-items: center; min-height: 44px; font: 500 9px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; text-decoration: underline; text-underline-offset: 4px; color: #000; }
    .prose { max-width: 68ch; }
    .prose section { scroll-margin-top: 96px; }
    .prose section + section { margin-top: 56px; }
    .prose h2 { display: grid; gap: 8px; margin-bottom: 16px; font-size: clamp(1.7rem, 2.6vw, 2.2rem); font-weight: 600; line-height: 1.1; letter-spacing: -0.03em; }
    .prose-index { display: block; color: var(--muted); font: 500 9px/1 var(--mono); letter-spacing: 0.1em; }
    .prose h3 { margin: 30px 0 10px; font-size: 1.2rem; font-weight: 600; letter-spacing: -0.02em; }
    .prose p { margin: 0 0 16px; }
    .prose p strong { font-weight: 600; }
    .prose ul, .prose ol { display: grid; gap: 8px; margin: 0 0 18px; padding-left: 20px; }
    .prose ul { list-style: disc; }
    .prose ol { list-style: decimal; }
    .prose li { padding-left: 4px; }
    .prose a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--divider); }
    .prose a:hover { text-decoration-color: var(--ink); }
    .prose .lead-list { display: grid; gap: 10px; padding: 0; list-style: none; }
    .prose .lead-list li { padding: 10px 0; border-bottom: 1px solid var(--rule); }
    .prose .lead-list strong { display: block; font-size: 16px; }
    .prose .lead-list span { color: var(--muted); font-size: 14px; }

    .callout { margin: 24px 0; padding: 14px 0 14px 16px; border-left: 4px solid var(--yellow); }
    .callout strong { display: block; margin-bottom: 6px; font: 500 9px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
    .callout p { margin: 0; color: var(--muted); font-size: 15px; }

    .table-wrap { margin: 24px 0; overflow-x: auto; border-top: 1px solid var(--ink); }
    .compare { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 14px; }
    .compare caption { padding-bottom: 10px; color: var(--muted); font: 500 9px/1.4 var(--mono); letter-spacing: 0.08em; text-align: left; text-transform: uppercase; }
    .compare th { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--ink); font: 500 9px/1.4 var(--mono); letter-spacing: 0.06em; text-align: left; text-transform: uppercase; }
    .compare td { padding: 12px 12px 12px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
    .compare th:last-child, .compare td:last-child { padding-right: 0; }

    .faq { border-top: 1px solid var(--ink); }
    .faq-item { border-bottom: 1px solid var(--rule); }
    .faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; cursor: pointer; font-size: 1.05rem; font-weight: 500; list-style: none; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after { content: "+"; color: var(--muted); font: 400 18px/1 var(--mono); }
    .faq-item[open] summary::after { content: "−"; }
    .faq-item p { padding-bottom: 18px; color: var(--muted); font-size: 15px; }

    .article-footer { grid-column: 5 / span 6; grid-row: 5; padding-block: 56px 64px; }
    .author-box { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 24px; align-items: start; padding-top: 0; border-top: 0; }
    .author-box__photo { width: 140px; height: 140px; object-fit: contain; background: none; border: 0; }
    .author-box h2 { margin-bottom: 6px; font-size: 1.4rem; font-weight: 600; letter-spacing: -0.02em; }
    .author-role { margin-bottom: 12px; color: var(--muted); font: 500 9px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
    .author-box p { margin-bottom: 12px; color: var(--muted); font-size: 15px; }
    .author-box a { display: inline-flex; align-items: center; min-height: 44px; font: 500 11px/1.4 var(--mono); text-decoration: underline; text-underline-offset: 3px; }

    .article-cta { margin-top: 32px; padding: clamp(24px, 4vw, 40px); background: var(--ink); color: var(--paper); }
    .article-cta .kicker { margin: 0 0 10px; color: var(--paper); opacity: 0.6; font: 500 9px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
    .article-cta h2 { max-width: 22ch; margin: 0 0 18px; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 600; line-height: 1.02; letter-spacing: -0.035em; }
    .article-cta a { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px; background: var(--yellow); color: #000; border: 1px solid #000; font: 600 13px/1 var(--sans); text-decoration: none; }
    .article-cta a:hover { transform: translateY(-1px); }

    .related { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--ink); }
    .related h2 { margin-bottom: 12px; font: 500 10px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
    .related ul { display: grid; gap: 0; }
    .related a { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; min-height: 48px; padding: 10px 0; border-bottom: 1px solid var(--rule); text-decoration: none; }
    .related a span:first-child { font-size: 15px; font-weight: 500; }
    .related a span:last-child { color: var(--muted); font: 400 10px/1.4 var(--mono); }

    footer { border-top: 1px solid var(--ink); padding-block: 22px 34px; }
    .footer-inner { width: var(--shell); margin-inline: auto; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px 24px; color: var(--muted); font: 400 10px/1.6 var(--mono); }
    .footer-inner a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--divider); }

    @media (max-width: 980px) {
      .article-shell { display: block; }
      .toc { display: none; }
      .toc-mobile { display: block; }
      .article-head { padding-top: 20px; }
      .article-body { padding-top: 24px; }
      .article-side-wrap { display: block; margin-top: 32px; }
      .article-side { position: static; }
      .side-title { margin-top: 0; padding-top: 10px; border-top: 1px solid var(--ink); border-bottom: 0; }
      .article-head h1 { max-width: 20ch; }
    }

    @media (max-width: 960px) {
      .desktop-nav { display: none; }
      .header-actions { display: none; }
      .menu-toggle { display: inline-flex; }
      .header-shell { justify-content: space-between; }
    }

    @media (max-width: 640px) {
      .article-meta { gap: 10px 14px; }
      .article-intro { grid-template-columns: minmax(0, 1fr) 96px; gap: 16px; }
      .article-portrait { width: 96px; }
      .author-box { grid-template-columns: 96px minmax(0, 1fr); gap: 16px; }
      .author-box__photo { width: 96px; height: 96px; }
      .prose { font-size: 16px; }
      .article-cta a { width: 100%; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
    }