    :root {
      --yellow: #ffd40f;
      --logo-accent: #ffd40f;
      --logo-text: #000000;
      --ink: #000000;
      --paper: #ffffff;
      --plate: #ffffff;
      --muted: rgba(0, 0, 0, 0.64);
      --rule: rgba(0, 0, 0, 0.18);
      --divider: rgba(0, 0, 0, 0.32);
      --nav-underline: rgba(0, 0, 0, 0.24);
      --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
      --font-sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
      --font-mono: "IBM Plex Mono", "Courier New", monospace;
      --shell: min(1320px, calc(100% - clamp(32px, 6vw, 80px)));
      --grid-gap: clamp(12px, 1.6vw, 24px);
      --text-display: clamp(2.8rem, 4.6vw, 4rem);
      --text-display-sm: clamp(2.05rem, 8.6vw, 2.85rem);
      --text-h2: clamp(2rem, 3.6vw, 3.2rem);
      --text-name: clamp(1.3rem, 2.1vw, 1.85rem);
      --tracking-display: -0.045em;
      --tracking-label: 0.1em;
      --hero-top: clamp(44px, 5.4vw, 76px);
      --hero-bottom: clamp(52px, 6vw, 88px);
      --section-block: clamp(64px, 7.2vw, 104px);
      color-scheme: light;
    }

    :root[data-theme="dark"] {
      --logo-text: #f2f2ee;
      --ink: #f2f2ee;
      --paper: #0e0e0e;
      --plate: #f2f2ee;
      --muted: rgba(255, 255, 255, 0.66);
      --rule: rgba(255, 255, 255, 0.22);
      --divider: rgba(255, 255, 255, 0.32);
      --nav-underline: rgba(255, 255, 255, 0.28);
      color-scheme: dark;
    }

    *, *::before, *::after { box-sizing: border-box; }
    [hidden] { display: none !important; }

    html { scroll-behavior: smooth; scroll-padding-top: 96px; }

    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: var(--font-sans);
      font-size: 17px;
      line-height: 1.55;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

    body.menu-open { overflow: hidden; }
    ::selection { background: var(--yellow); color: #000; }
    a { color: inherit; }
    h1, h2, h3, p, figure, dl, dd, ul, ol { margin: 0; }
    ul, ol { padding: 0; list-style: none; }

    :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(--font-sans);
      text-decoration: none;
    }

    .skip-link:focus, .skip-link:focus-visible { top: 12px; box-shadow: none; }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0 0 0 0);
      white-space: nowrap;
      border: 0;
    }

    /* ---------- Retícula de 12 columnas ---------- */

    .sheet {
      width: var(--shell);
      margin-inline: auto;
      display: grid;
      grid-template-columns: repeat(12, minmax(0, 1fr));
      column-gap: var(--grid-gap);
    }

    .rail {
      grid-column: 1 / span 3;
      align-self: start;
      display: flex;
      flex-direction: column;
      gap: 7px;
      padding-top: 2px;
      color: var(--muted);
      font: 500 10px/1.35 var(--font-mono);
      letter-spacing: 0.11em;
      text-transform: uppercase;
      position: sticky;
      top: 96px;
    }

    .rail-num { font-size: 12px; color: var(--ink); letter-spacing: 0.04em; }
    .rail-word { max-width: 16ch; hyphens: none; }

    /* ---------- Cabecera global ---------- */

    .site-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: clamp(14px, 2.2vw, 30px);
    }

    .brand-group {
      display: flex;
      align-items: center;
      gap: 9px;
      flex: 0 0 auto;
      min-width: 0;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      flex: 0 0 auto;
      position: relative;
      text-decoration: none;
    }

    /* Área táctil de 44 × 44 sin mover el logo ni el separador. */
    .brand::after {
      content: "";
      position: absolute;
      inset: -9px -6px;
    }

    .brand-logo { width: 32px; height: auto; display: block; }
    .brand-logo__accent { fill: var(--logo-accent); }
    .brand-logo__ink { fill: var(--logo-text); }

    .brand-divider {
      flex: 0 0 auto;
      width: 1px;
      height: 18px;
      background: var(--divider);
    }

    .theme-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 auto;
      position: relative;
      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; }

    .brand-label {
      display: inline-block;
      inline-size: 110px;
      color: var(--ink);
      font: 500 10px/1.2 var(--font-mono);
      letter-spacing: 0.04em;
      white-space: nowrap;
    }

    .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;
      padding: 0;
      color: var(--ink);
      font: 500 13px/1 var(--font-sans);
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 5px;
      text-decoration-color: var(--nav-underline);
    }

    .desktop-nav a:hover { text-decoration-color: var(--ink); }

    .desktop-nav a[aria-current="page"] {
      text-decoration-color: var(--ink);
      text-decoration-thickness: 2px;
    }

    .header-cta, .hero-cta, .closing-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(--font-sans);
      text-decoration: none;
      white-space: nowrap;
      transition: transform 120ms var(--ease-out);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: clamp(10px, 1.6vw, 22px);
      flex: 0 0 auto;
    }

    .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(--font-mono);
      letter-spacing: 0.06em;
      text-decoration: none;
      transition: color 140ms var(--ease-out);
    }

    .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(--font-mono); }

    .header-cta:active, .hero-cta:active, .closing-cta:active { transform: scale(0.98); }

    .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);
      border-radius: 2px;
      background: var(--paper);
      color: var(--ink);
      font: 500 11px/1 var(--font-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 20px 28px;
      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: 48px;
      border-bottom: 1px solid var(--rule);
      color: var(--ink);
      font: 500 18px/1 var(--font-sans);
      text-decoration: none;
    }

    .mobile-nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 4px; }

    .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(--font-sans);
      text-decoration: none;
    }

    /* ---------- Entrada: hero 8 / retrato 4 ---------- */

    .entry { max-width: 78ch; padding-block: var(--hero-top) var(--hero-bottom); }

    .breadcrumb {
      grid-column: 1 / -1;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      padding-block: 22px 0;
      color: var(--muted);
      font: 500 10px/1.4 var(--font-mono);
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }

    .breadcrumb a {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      min-width: 44px;
      text-decoration: underline;
      text-underline-offset: 3px;
      text-decoration-color: var(--divider);
    }

    .breadcrumb a:hover { text-decoration-color: var(--ink); }
    .breadcrumb span[aria-hidden="true"] { color: var(--rule); }
    .breadcrumb [aria-current="page"] { color: var(--ink); }

    .hero-copy {
      grid-column: 1 / span 8;
      align-self: start;
      min-width: 0;
      padding-top: clamp(24px, 3.2vw, 44px);
    }

    .hero-copy h1 {
      max-width: 20ch;
      font-size: var(--text-display);
      font-weight: 600;
      line-height: 0.98;
      letter-spacing: var(--tracking-display);
      text-wrap: balance;
      overflow-wrap: break-word;
      hyphens: auto;
    }

    .hero-standfirst {
      max-width: 46ch;
      margin-top: 22px;
      color: var(--muted);
      font-size: clamp(1rem, 1.3vw, 1.125rem);
      line-height: 1.5;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: clamp(14px, 2.2vw, 26px);
      margin-top: clamp(26px, 3.4vw, 38px);
    }

    .hero-cta { min-height: 48px; padding-inline: 20px; font-size: 14px; }

    .hero-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      color: var(--ink);
      font: 500 14px/1.35 var(--font-sans);
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 4px;
      text-decoration-color: var(--divider);
    }

    .hero-secondary:hover { text-decoration-color: var(--ink); }
    .hero-secondary span { transition: transform 160ms var(--ease-out); }
    .hero-secondary:hover span { transform: translateX(4px); }

    .hero-meta {
      margin-top: clamp(20px, 2.4vw, 28px);
      padding-top: 14px;
      border-top: 1px solid var(--rule);
      color: var(--muted);
      font: 400 11px/1.6 var(--font-mono);
    }

    /* Retrato: placa de 1 px en 1:1 con el SVG de archivo. El fondo de la
       placa no se invierte en oscuro para que el trazo negro del retrato siga
       leyéndose igual que en claro. */
    .portrait {
      grid-column: 9 / -1;
      align-self: start;
      min-width: 0;
      margin-top: clamp(24px, 3.2vw, 44px);
    }

    .portrait__frame {
      border: 1px solid var(--ink);
      background: var(--plate);
      aspect-ratio: 1 / 1;
      overflow: hidden;
    }

    .portrait__img {
      display: block;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .portrait__caption {
      margin-top: 10px;
      color: var(--muted);
      font: 400 11px/1.5 var(--font-mono);
    }

    /* ---------- Secciones: rail 3 + contenido 9 ---------- */

    .section {
      padding-block: var(--section-block);
      border-top: 1px solid var(--ink);
      background: var(--paper);
    }

    .section-body {
      grid-column: 4 / -1;
      align-self: start;
      min-width: 0;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      gap: 24px;
      margin-bottom: clamp(20px, 2.8vw, 32px);
    }

    .section-head h2 {
      flex: 0 0 auto;
      display: grid;
      gap: 8px;
      max-width: 24ch;
      font-size: var(--text-h2);
      font-weight: 600;
      line-height: 0.98;
      letter-spacing: -0.04em;
      text-wrap: balance;
    }

    .prose-index {
      display: block;
      color: var(--muted);
      font: 500 10px/1 var(--font-mono);
      letter-spacing: var(--tracking-label);
    }

    .section-rule {
      flex: 1 1 auto;
      height: 1px;
      margin-bottom: 0.38em;
      background: var(--ink);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 280ms var(--ease-out);
    }

    .section-head.is-in .section-rule { transform: scaleX(1); }

    /* ---------- Prosa ---------- */

    .prose {
      max-width: 68ch;
      min-width: 0;
    }

    .prose p { margin: 0 0 16px; }
    .prose p:last-child { margin-bottom: 0; }
    .prose strong { font-weight: 600; }

    .prose a {
      text-decoration: underline;
      text-underline-offset: 3px;
      text-decoration-color: var(--divider);
    }

    .prose a:hover { text-decoration-color: var(--ink); }

    .prose h3 {
      margin: 0 0 12px;
      font-size: var(--text-name);
      font-weight: 600;
      letter-spacing: -0.035em;
      line-height: 1.05;
    }

    /* Rutas de archivo dentro de la prosa: dato, no párrafo. */
    .prose code {
      font: 400 0.94em/1.4 var(--font-mono);
    }

    /* Listas propias del cuerpo: sin viñetas heredadas. */
    .flat-list {
      display: grid;
      gap: 8px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .flat-list li {
      position: relative;
      max-width: 62ch;
      padding-left: 14px;
      font-size: 15px;
      line-height: 1.5;
    }

    .flat-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.72em;
      width: 8px;
      height: 1px;
      background: var(--ink);
    }

    /* Rejilla de datos: 2 columnas con reglas de 1 px. */
    .fact-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      margin: clamp(22px, 3vw, 34px) 0 0;
      border-bottom: 1px solid var(--ink);
    }

    .fact {
      min-width: 0;
      padding: 15px 20px 17px 0;
      border-top: 1px solid var(--ink);
    }

    .fact:nth-child(even) {
      padding-left: 20px;
      border-left: 1px solid var(--rule);
    }

    .fact__label {
      margin-bottom: 7px;
      color: var(--muted);
      font: 500 9px/1.4 var(--font-mono);
      letter-spacing: var(--tracking-label);
      text-transform: uppercase;
    }

    .fact__text {
      font-size: 15px;
      line-height: 1.5;
    }

    .scope-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: clamp(18px, 2.4vw, 32px);
      margin: clamp(22px, 3vw, 34px) 0 0;
    }

    .scope-grid > div {
      padding-top: 14px;
      border-top: 1px solid var(--ink);
    }

    .scope-note {
      margin-top: 12px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.5;
    }

    /* Señal única de bloque: una por sección. */
    .signal {
      display: inline-block;
      padding: 4px 9px;
      border: 1px solid #000;
      background: var(--yellow);
      color: #000;
      font: 500 11px/1.3 var(--font-mono);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      font-variant-numeric: tabular-nums;
    }

    .note {
      margin: clamp(22px, 3vw, 34px) 0 0;
      padding: 14px 0 14px 16px;
      border-left: 4px solid var(--yellow);
    }

    .note p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
    .note strong { color: var(--ink); font-weight: 600; }

    /* Registro de relaciones: hoja plana, sin logos. */
    .relations {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      margin: clamp(22px, 3vw, 34px) 0 0;
      border-bottom: 1px solid var(--ink);
    }

    .relation {
      min-width: 0;
      padding: 15px 20px 17px 0;
      border-top: 1px solid var(--ink);
    }

    .relation:nth-child(even) {
      padding-left: 20px;
      border-left: 1px solid var(--rule);
    }

    .relation__name {
      font-size: 15px;
      font-weight: 600;
      letter-spacing: -0.015em;
      line-height: 1.2;
    }

    .relation__meta {
      margin-top: 5px;
      color: var(--muted);
      font: 400 11px/1.5 var(--font-mono);
    }

    .link-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 6px 24px;
      margin-top: 4px;
    }

    .inline-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      margin-top: 6px;
      font: 500 13px/1.35 var(--font-sans);
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 4px;
      text-decoration-color: var(--divider);
    }

    .link-row .inline-link { margin-top: 0; }

    .inline-link:hover { text-decoration-color: var(--ink); }
    .inline-link span { transition: transform 160ms var(--ease-out); }
    .inline-link:hover span { transform: translateX(4px); }

    /* ---------- Cierre: banda negra única ---------- */

    .closing {
      padding-block: var(--section-block);
      background: var(--ink);
      color: var(--paper);
    }

    .closing-body {
      grid-column: 1 / span 8;
      min-width: 0;
    }

    .closing h2 {
      max-width: 20ch;
      font-size: var(--text-h2);
      font-weight: 600;
      line-height: 0.98;
      letter-spacing: -0.04em;
      text-wrap: balance;
    }

    .closing-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: clamp(14px, 2.2vw, 26px);
      margin-top: clamp(24px, 3.2vw, 38px);
      padding-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.28);
    }

    .closing-cta { min-height: 48px; padding-inline: 20px; font-size: 14px; border-color: #000; }

    .closing-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 44px;
      color: var(--paper);
      font: 500 10px/1.4 var(--font-mono);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 4px;
      text-decoration-color: rgba(255, 255, 255, 0.42);
    }

    .closing-link:hover { text-decoration-color: var(--paper); }
    .closing-link span { transition: transform 160ms var(--ease-out); }
    .closing-link:hover span { transform: translateX(4px); }

    .closing :focus-visible {
      outline-color: var(--paper);
      box-shadow: 0 0 0 6px var(--yellow);
    }

    [data-theme="dark"] .closing .closing-actions { border-top-color: rgba(0, 0, 0, 0.28); }
    [data-theme="dark"] .closing .closing-link { color: #0e0e0e; text-decoration-color: rgba(0, 0, 0, 0.42); }
    [data-theme="dark"] .closing .closing-link:hover { text-decoration-color: #0e0e0e; }
    [data-theme="dark"] .closing :focus-visible { outline-color: #0e0e0e; }
    [data-theme="dark"] .closing-cta { background: #000; color: #fff; border-color: #000; }

    /* ---------- Pie ---------- */

    .site-footer { padding-block: 28px 92px; border-top: 1px solid var(--ink); background: var(--paper); }

    .footer-body {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3fr);
      gap: clamp(18px, 3vw, 40px);
      align-items: start;
      min-width: 0;
    }

    .footer-legal { font-size: 14px; line-height: 1.45; }

    .footer-note { color: var(--muted); font-size: 13px; line-height: 1.45; }

    .footer-note span {
      display: block;
      margin-bottom: 3px;
      color: var(--ink);
      font: 500 9px/1.4 var(--font-mono);
      letter-spacing: var(--tracking-label);
      text-transform: uppercase;
    }

    .footer-note code { font: 400 12px/1.5 var(--font-mono); }

    .legal { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 18px; }

    .legal a {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      color: var(--ink);
      font-size: 12px;
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 4px;
      text-decoration-color: var(--divider);
    }

    .footer-routes {
      grid-column: 1 / -1;
      display: flex;
      flex-wrap: wrap;
      align-items: baseline;
      gap: 6px 20px;
      margin-top: clamp(20px, 2.6vw, 30px);
      padding-top: 14px;
      border-top: 1px solid var(--rule);
    }

    .footer-routes__label {
      color: var(--muted);
      font: 500 9px/1.4 var(--font-mono);
      letter-spacing: var(--tracking-label);
      text-transform: uppercase;
    }

    .footer-routes a {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      color: var(--ink);
      font: 500 10px/1.4 var(--font-mono);
      letter-spacing: 0.08em;
      text-transform: uppercase;
      text-decoration: underline;
      text-underline-offset: 4px;
      text-decoration-color: var(--divider);
    }

    .footer-routes a:hover { text-decoration-color: var(--ink); }

    .js .reveal {
      opacity: 0;
      transform: translateY(10px);
      transition: opacity 220ms var(--ease-out), transform 220ms var(--ease-out);
    }

    .js .reveal.is-in { opacity: 1; transform: translateY(0); }

    @media (max-width: 1180px) {
      .scope-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 980px) {
      .sheet { display: block; }
      .rail {
        position: static;
        flex-direction: row;
        align-items: baseline;
        padding-top: 8px;
        border-top: 1px solid var(--rule);
        margin-bottom: 18px;
      }
      .rail-word { max-width: none; }
      .hero-copy { max-width: 760px; padding-top: clamp(24px, 5vw, 36px); }
      .portrait { max-width: 420px; margin-top: 34px; }
      .section-body { max-width: 760px; }
      .section-head { align-items: flex-start; gap: 12px; }
      .section-head h2 { flex: 0 1 auto; max-width: 100%; }
      .fact-grid, .relations { grid-template-columns: 1fr; }
      .fact:nth-child(even),
      .relation:nth-child(even) { padding-left: 0; border-left: 0; }
      .footer-body { display: block; }
      .footer-note { margin-top: 14px; }
      .legal { justify-content: flex-start; margin-top: 16px; }
      .closing-body { max-width: 760px; }
    }

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

    @media (max-width: 640px) {
      :root { --shell: calc(100% - 40px); }
      .brand-label { inline-size: 92px; font-size: 9px; }
      .brand-logo { width: 28px; }
      .hero-copy h1 { font-size: var(--text-display-sm); max-width: none; }
      .hero-standfirst { max-width: 34ch; }
      .hero-cta { width: 100%; white-space: normal; text-align: center; }
      .closing-body { grid-column: 1 / -1; }
      .closing-actions { flex-direction: column; align-items: flex-start; gap: 10px; }
      .closing-cta { width: 100%; white-space: normal; text-align: center; }
      .site-footer { padding-bottom: 104px; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }
      .js .reveal { opacity: 1 !important; transform: none !important; }
      .section-rule { transform: scaleX(1) !important; }
    }