/* ── Local brand fonts ──────────────────────────────────────────────────────
   Previously loaded from a third-party font service on every visit. For a page
   whose subject is data sovereignty, that was the wrong default; the files are
   now served from this origin. */
@font-face { font-family: "Raleway"; src: url("fonts/raleway-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Raleway"; src: url("fonts/raleway-latin-800-normal.woff2") format("woff2"); font-weight: 800; font-display: swap; }
@font-face { font-family: "Open Sans"; src: url("fonts/open-sans-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Open Sans"; src: url("fonts/open-sans-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Open Sans"; src: url("fonts/open-sans-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
      --nr-primary: #2F99A4;
      --nr-primary-dark: #15585E;
      --nr-primary-soft: #EAF6F7;
      --nr-accent: #FF4D00;
      --nr-accent-dark: #9A2E00;
      --nr-text: #4D4F57;
      --nr-ink: #25272D;
      --nr-muted: #50525A;
      --nr-link: #15585E;
      --nr-border: #CCCDCC;
      --nr-bg: #FFFFFF;
      --nr-bg-soft: #F6F8F8;
      --nr-card: #FFFFFF;
      --nr-page: #EEEEEE;
      --nr-footer: #4D4F57;
      --shadow-sm: 0 3px 3px rgba(22, 28, 45, 0.10), 0 8px 8px -4px rgba(22, 28, 45, 0.10);
      --shadow-md: 0 6px 10px rgba(22, 28, 45, 0.12), 0 16px 22px -8px rgba(22, 28, 45, 0.12);
      --radius-xl: 10px;
      --radius-lg: 8px;
      --radius-md: 6px;
      --radius-sm: 5px;
      --duration: 220ms;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "Open Sans", Arial, sans-serif;
      color: var(--nr-text);
      background: var(--nr-page);
      line-height: 1.6;
    }

    a {
      color: var(--nr-link);
      text-decoration-thickness: 2px;
      text-underline-offset: 3px;
    }

    a:hover {
      color: var(--nr-accent-dark);
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    /* AAA-friendly, always-visible keyboard focus indicator (2.4.7 / 2.4.13) */
    :focus-visible {
      outline: 3px solid var(--nr-accent);
      outline-offset: 2px;
      border-radius: 6px;
    }

    [id] {
      scroll-margin-top: 96px;
    }

    .skip-link {
      position: absolute;
      left: 16px;
      top: -72px;
      z-index: 60;
      padding: 12px 18px;
      border-radius: 10px;
      background: var(--nr-primary-dark);
      color: #fff;
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      text-decoration: none;
      transition: top var(--duration) ease;
    }

    .skip-link:focus {
      top: 16px;
      color: #fff;
    }

    .page-shell {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      background: var(--nr-card);
      border-bottom: 1px solid var(--nr-border);
    }

    .header-inner {
      width: min(1220px, calc(100% - 40px));
      margin: 0 auto;
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand-link {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      color: var(--nr-ink);
      text-decoration: none;
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      letter-spacing: -0.02em;
    }

    .brand-link svg {
      width: 44px;
      height: 44px;
      flex: 0 0 auto;
    }

    .brand-text {
      display: grid;
      gap: 0;
      line-height: 1.1;
    }

    .brand-text span:first-child {
      font-size: 16px;
      color: var(--nr-ink);
    }

    .brand-text span:last-child {
      font-family: "Open Sans", Arial, sans-serif;
      font-size: 12px;
      font-weight: 700;
      color: var(--nr-primary-dark);
      text-transform: uppercase;
      letter-spacing: 0.12em;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      font-family: "Raleway", Arial, sans-serif;
      font-size: 14px;
      font-weight: 700;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      color: var(--nr-text);
      text-decoration: none;
      padding: 8px 12px;
      border-radius: 8px;
      border-bottom: 2px solid transparent;
      transition: color var(--duration) ease, border-color var(--duration) ease, background var(--duration) ease;
    }

    .nav-links a:hover,
    .nav-links a:focus-visible {
      color: var(--nr-link);
      border-color: var(--nr-primary);
      background: rgba(234, 246, 247, 0.6);
    }

    main {
      flex: 1;
    }

    .container {
      width: min(1220px, calc(100% - 40px));
      margin: 0 auto;
    }

    .hero {
      padding: 88px 0 54px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
      gap: 48px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 14px;
      margin: 0 0 20px;
      border: 1px solid rgba(47, 153, 164, 0.35);
      border-radius: var(--radius-sm);
      background: var(--nr-primary-soft);
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      font-size: 13px;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--nr-accent);
      box-shadow: 0 0 0 5px rgba(255, 77, 0, 0.12);
    }

    h1,
    h2,
    h3,
    h4 {
      font-family: "Raleway", Arial, sans-serif;
      color: var(--nr-ink);
      line-height: 1.08;
      margin: 0;
      letter-spacing: -0.035em;
    }

    h1 {
      font-size: clamp(40px, 5.2vw, 64px);
      font-weight: 700;
      max-width: 920px;
    }

    .hero-lead {
      margin: 24px 0 0;
      max-width: 760px;
      font-size: clamp(18px, 2.2vw, 23px);
      color: var(--nr-text);
    }

    .hero-actions {
      margin-top: 34px;
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 13px 24px;
      border-radius: var(--radius-sm);
      border: 2px solid transparent;
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      text-decoration: none;
      cursor: pointer;
      transition: transform var(--duration) ease, box-shadow var(--duration) ease, background var(--duration) ease, color var(--duration) ease, border-color var(--duration) ease;
    }

    .btn:hover,
    .btn:focus-visible {
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(47, 153, 164, 0.24);
    }

    .btn-primary {
      background: var(--nr-primary-dark);
      color: #fff;
    }

    .btn-primary:hover,
    .btn-primary:focus-visible {
      background: #0E4A4E;
      color: #fff;
    }

    .btn-outline {
      background: var(--nr-card);
      color: var(--nr-link);
      border-color: var(--nr-primary);
    }

    .btn-outline:hover,
    .btn-outline:focus-visible {
      color: #fff;
      background: var(--nr-primary-dark);
      border-color: var(--nr-primary-dark);
    }

    .hero-card {
      position: relative;
      padding: 28px;
      border: 1px solid rgba(47, 153, 164, 0.25);
      border-radius: var(--radius-xl);
      background: var(--nr-card);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }

    .hero-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 6px;
      background: var(--nr-primary);
    }

    .hero-card h2 {
      font-size: 24px;
      margin-bottom: 18px;
    }

    .principle-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 14px;
    }

    .principle-list li {
      display: grid;
      grid-template-columns: 34px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
    }

    .principle-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--nr-primary-soft);
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
    }

    .principle-list strong {
      display: block;
      color: var(--nr-ink);
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      margin-bottom: 2px;
    }

    code {
      font-family: "SFMono-Regular", "JetBrains Mono", "Consolas", monospace;
      font-size: 0.92em;
      padding: 1px 6px;
      border-radius: 6px;
      background: var(--nr-primary-soft);
      color: var(--nr-primary-dark);
    }

    .section {
      padding: 54px 0;
    }

    .section-header {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 32px;
      margin-bottom: 28px;
    }

    .section-header h2 {
      font-size: clamp(32px, 4vw, 52px);
      max-width: 780px;
    }

    .section-header p {
      margin: 0;
      max-width: 420px;
      color: var(--nr-muted);
    }

    .stack-explorer {
      display: grid;
      grid-template-columns: 120px minmax(0, 1.18fr) minmax(340px, 0.82fr);
      gap: 24px;
      align-items: stretch;
    }

    .value-rail {
      position: relative;
      display: grid;
      grid-template-rows: repeat(4, 1fr);
      min-height: 880px;
      padding: 20px 0;
    }

    .value-rail::before {
      content: "";
      position: absolute;
      left: 18px;
      top: 58px;
      bottom: 58px;
      width: 3px;
      border-radius: var(--radius-sm);
      background: var(--nr-primary);
    }

    .value-rail::after {
      content: "↑";
      position: absolute;
      left: 8px;
      top: 10px;
      width: 24px;
      height: 34px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--nr-primary-dark);
      font-size: 34px;
      font-weight: 800;
      line-height: 1;
    }

    .rail-title {
      position: absolute;
      left: 45px;
      top: 50%;
      transform: translateY(-50%) rotate(-90deg);
      transform-origin: center;
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      font-size: 15px;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      white-space: nowrap;
    }

    .rail-marker {
      position: relative;
      display: flex;
      align-items: center;
      gap: 10px;
      align-self: center;
      justify-self: start;
      width: 100%;
      padding-left: 0;
      opacity: 0.72;
      transition: opacity var(--duration) ease, transform var(--duration) ease;
    }

    .rail-marker[data-layer="3"] { grid-row: 1; }
    .rail-marker[data-layer="2"] { grid-row: 2; }
    .rail-marker[data-layer="1"] { grid-row: 3; }
    .rail-marker[data-layer="0"] { grid-row: 4; }

    .rail-dot {
      position: relative;
      z-index: 1;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #fff;
      border: 2px solid rgba(47, 153, 164, 0.35);
      box-shadow: 0 8px 24px rgba(47, 153, 164, 0.15);
    }

    .rail-dot svg {
      width: 22px;
      height: 22px;
      stroke: var(--nr-primary-dark);
    }

    .rail-marker span:last-child {
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      color: var(--nr-primary-dark);
      font-size: 14px;
      line-height: 1.1;
    }

    .rail-marker.is-active {
      opacity: 1;
      transform: translateX(4px);
    }

    .rail-marker.is-active .rail-dot {
      border-color: var(--nr-accent);
      box-shadow: 0 0 0 7px rgba(255, 77, 0, 0.12), 0 10px 26px rgba(47, 153, 164, 0.22);
    }

    .layer-diagram {
      display: grid;
      grid-template-rows: repeat(4, minmax(190px, auto));
      gap: 18px;
    }

    .layer-card {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 18px;
      align-items: stretch;
      width: 100%;
      text-align: left;
      border: 1px solid rgba(204, 205, 204, 0.9);
      border-radius: var(--radius-xl);
      background: var(--nr-card);
      padding: 22px;
      box-shadow: 0 6px 24px rgba(37, 39, 45, 0.06);
      cursor: pointer;
      transition: transform var(--duration) ease, border-color var(--duration) ease, box-shadow var(--duration) ease, background var(--duration) ease;
    }

    .layer-card:hover,
    .layer-card.is-active {
      transform: translateY(-3px);
      border-color: var(--nr-primary);
      box-shadow: var(--shadow-md);
      background: #fff;
    }

    .layer-card:focus-visible {
      outline: 3px solid var(--nr-accent);
      outline-offset: 3px;
    }

    .layer-card.is-active::before {
      content: "";
      position: absolute;
      inset: -1px auto -1px -1px;
      width: 8px;
      border-radius: var(--radius-xl) 0 0 var(--radius-xl);
      background: var(--nr-accent);
    }

    .layer-card[data-layer="3"] { grid-row: 1; }
    .layer-card[data-layer="2"] { grid-row: 2; }
    .layer-card[data-layer="1"] { grid-row: 3; }
    .layer-card[data-layer="0"] { grid-row: 4; }

    .layer-main {
      display: grid;
      gap: 18px;
      align-content: start;
    }

    .layer-head {
      display: flex;
      align-items: start;
      gap: 14px;
    }

    .layer-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--nr-primary-dark);
      color: #fff;
      font-family: "Raleway", Arial, sans-serif;
      font-size: 20px;
      font-weight: 800;
      flex: 0 0 auto;
    }

    .layer-card[data-layer="3"] .layer-number {
      box-shadow: 0 0 0 3px rgba(255, 77, 0, 0.30);
    }

    .layer-title-wrap {
      display: grid;
      gap: 5px;
    }

    .layer-title-wrap h3 {
      font-size: clamp(22px, 2.3vw, 30px);
      color: var(--nr-ink);
    }

    .layer-title-wrap p {
      margin: 0;
      color: var(--nr-muted);
      font-size: 14px;
    }

    .component-row {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items: center;
    }

    .component-chip {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-height: 48px;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(47, 153, 164, 0.35);
      background: var(--nr-primary-soft);
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      font-size: 15px;
      white-space: nowrap;
    }

    .component-chip svg {
      width: 22px;
      height: 22px;
      stroke: currentColor;
      flex: 0 0 auto;
    }

    .component-chip.optional {
      border-style: dashed;
      background: #fff;
      color: var(--nr-muted);
    }

    .component-plus {
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      font-size: 22px;
      line-height: 1;
    }

    .layer-inherits {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      margin-top: -4px;
      color: var(--nr-muted);
      font-size: 14px;
    }

    .inherit-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 6px 10px;
      border: 1px solid rgba(204, 205, 204, 0.8);
      border-radius: var(--radius-sm);
      background: var(--nr-bg-soft);
      color: var(--nr-text);
      font-weight: 700;
    }

    .inherit-badge::before {
      content: "↳";
      color: var(--nr-primary-dark);
      font-weight: 800;
    }

    .layer-outcome {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .outcome-pill {
      padding: 12px 14px;
      border: 1px solid rgba(204, 205, 204, 0.74);
      border-radius: var(--radius-md);
      background: var(--nr-bg-soft);
    }

    .outcome-pill strong {
      display: block;
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-size: 13px;
      line-height: 1.2;
      margin-bottom: 3px;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }

    .outcome-pill span {
      display: block;
      color: var(--nr-text);
      font-size: 14px;
      line-height: 1.35;
    }

    .layer-side {
      width: 132px;
      display: grid;
      align-content: center;
      justify-items: center;
      gap: 10px;
      padding: 14px;
      border-radius: var(--radius-lg);
      background: var(--nr-primary-soft);
      color: var(--nr-primary-dark);
      text-align: center;
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
    }

    .layer-side svg {
      width: 42px;
      height: 42px;
      stroke: currentColor;
    }

    .layer-side span {
      display: block;
      font-size: 14px;
      line-height: 1.15;
    }

    .details-panel {
      position: sticky;
      top: 98px;
      align-self: start;
      min-height: 650px;
      display: grid;
      gap: 18px;
      align-content: start;
      padding: 26px;
      border: 1px solid rgba(47, 153, 164, 0.28);
      border-radius: var(--radius-xl);
      background: var(--nr-card);
      box-shadow: var(--shadow-sm);
    }

    .detail-kicker {
      display: inline-flex;
      width: max-content;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: var(--radius-sm);
      background: var(--nr-primary-soft);
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      font-size: 13px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .detail-kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--nr-accent);
    }

    .details-panel h3 {
      font-size: clamp(28px, 3vw, 40px);
      margin-top: -4px;
    }

    .details-panel p {
      margin: 0;
      color: var(--nr-text);
    }

    .detail-grid {
      display: grid;
      gap: 12px;
    }

    .detail-item {
      padding: 16px;
      border: 1px solid rgba(204, 205, 204, 0.8);
      border-radius: var(--radius-md);
      background: var(--nr-bg-soft);
    }

    .detail-item strong {
      display: block;
      color: var(--nr-ink);
      font-family: "Raleway", Arial, sans-serif;
      font-size: 15px;
      margin-bottom: 4px;
    }

    .detail-stack {
      display: grid;
      gap: 10px;
    }

    .detail-stack-label {
      margin: 0;
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      color: var(--nr-ink);
    }

    .stack-path {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }

    .stack-path .path-chip {
      display: inline-flex;
      align-items: center;
      padding: 8px 10px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(47, 153, 164, 0.32);
      background: #fff;
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-size: 13px;
      font-weight: 800;
      text-decoration: none;
    }

    a.path-chip:hover,
    a.path-chip:focus-visible {
      border-color: var(--nr-primary);
      background: var(--nr-primary-soft);
      color: var(--nr-primary-dark);
    }

    .stack-path .path-arrow {
      color: var(--nr-muted);
      font-weight: 800;
    }

    .takeaway {
      position: relative;
      padding: 18px 18px 18px 22px;
      border-radius: var(--radius-md);
      background: var(--nr-primary-soft);
      border: 1px solid rgba(47, 153, 164, 0.24);
      overflow: hidden;
    }

    .takeaway::before {
      content: "";
      position: absolute;
      inset: 0 auto 0 0;
      width: 5px;
      background: var(--nr-accent);
    }

    .takeaway strong {
      display: block;
      color: var(--nr-ink);
      font-family: "Raleway", Arial, sans-serif;
      font-size: 18px;
      margin-bottom: 4px;
    }

    .flow-section {
      padding: 22px 0 54px;
    }

    .flow-card {
      display: grid;
      gap: 22px;
      padding: 30px;
      border-radius: var(--radius-xl);
      background: var(--nr-card);
      border: 1px solid rgba(204, 205, 204, 0.85);
      box-shadow: var(--shadow-sm);
    }

    .flow-card h2 {
      font-size: clamp(28px, 3.2vw, 42px);
    }

    .flow-chain {
      display: grid;
      grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
      gap: 14px;
      align-items: center;
    }

    .flow-step {
      min-height: 112px;
      display: grid;
      align-content: center;
      justify-items: center;
      gap: 10px;
      padding: 18px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(47, 153, 164, 0.32);
      background: var(--nr-primary-soft);
      text-align: center;
      color: var(--nr-primary-dark);
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
    }

    .flow-step svg {
      width: 34px;
      height: 34px;
      stroke: currentColor;
    }

    .flow-arrow {
      color: var(--nr-primary-dark);
      font-size: 28px;
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
    }

    .solution-note {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      gap: 14px;
      align-items: center;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: var(--nr-bg-soft);
      border: 1px solid rgba(204, 205, 204, 0.82);
    }

    .solution-note-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--nr-primary-dark);
      color: #fff;
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      font-size: 21px;
    }

    .solution-note p {
      margin: 0;
    }

    /* Module / Repositories section */
    .module-section {
      padding: 32px 0 54px;
    }

    .module-groups {
      display: grid;
      gap: 28px;
    }

    .module-group-head {
      display: flex;
      align-items: baseline;
      gap: 12px;
      margin-bottom: 14px;
      flex-wrap: wrap;
    }

    .module-group-head h3 {
      font-size: clamp(20px, 2.4vw, 26px);
    }

    .module-ebene {
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      font-size: 12px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--nr-primary-dark);
      background: var(--nr-primary-soft);
      border-radius: var(--radius-sm);
      padding: 5px 11px;
    }

    .module-group-note {
      margin: -2px 0 14px;
      max-width: 760px;
      color: var(--nr-muted);
    }

    .module-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
      gap: 16px;
    }

    .module-card {
      display: flex;
      flex-direction: column;
      gap: 8px;
      padding: 20px;
      border: 1px solid var(--nr-border);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: 0 6px 24px rgba(37, 39, 45, 0.06);
      text-decoration: none;
      color: var(--nr-text);
      transition: transform var(--duration) ease, border-color var(--duration) ease, box-shadow var(--duration) ease;
    }

    a.module-card:hover,
    a.module-card:focus-visible {
      transform: translateY(-3px);
      border-color: var(--nr-primary);
      box-shadow: var(--shadow-md);
    }

    .module-card .mod-name {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 800;
      font-size: 17px;
      color: var(--nr-link);
    }

    a.module-card .mod-name::after {
      content: "↗";
      font-size: 0.82em;
      color: var(--nr-primary-dark);
    }

    .module-card .mod-name svg {
      width: 20px;
      height: 20px;
      stroke: var(--nr-primary-dark);
      flex: 0 0 auto;
    }

    .module-card .mod-desc {
      margin: 0;
      color: var(--nr-text);
      font-size: 14px;
      line-height: 1.5;
    }

    .module-card .mod-repo {
      font-family: "Raleway", Arial, sans-serif;
      font-weight: 700;
      font-size: 12.5px;
      color: var(--nr-muted);
      word-break: break-word;
    }

    .module-card.is-static {
      cursor: default;
      background: var(--nr-bg-soft);
      border-style: dashed;
    }

    .module-card.is-static .mod-name {
      color: var(--nr-text);
    }

    /* FAQ section */
    .faq-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 18px;
    }

    .faq-item {
      padding: 22px 24px;
      border: 1px solid rgba(204, 205, 204, 0.85);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: 0 6px 24px rgba(37, 39, 45, 0.05);
    }

    .faq-item h3 {
      font-size: 19px;
      margin-bottom: 8px;
    }

    .faq-item p {
      margin: 0;
      color: var(--nr-text);
    }

    .contact-band {
      background: var(--nr-primary-dark);
      color: #FFFFFF;
    }

    .contact-inner {
      width: min(1220px, calc(100% - 40px));
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      padding: 38px 0;
      flex-wrap: wrap;
    }

    .contact-band h2 {
      color: #FFFFFF;
      font-size: clamp(24px, 3vw, 34px);
    }

    .contact-band p {
      margin: 10px 0 0;
      max-width: 660px;
      color: #FFFFFF;
    }

    .contact-band a:not(.btn) {
      color: #FFFFFF;
      font-weight: 700;
    }

    .contact-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .btn-on-dark {
      background: #FFFFFF;
      color: var(--nr-primary-dark);
    }

    .btn-on-dark:hover,
    .btn-on-dark:focus-visible {
      background: var(--nr-bg-soft);
      color: var(--nr-primary-dark);
    }

    .btn-on-dark-outline {
      background: transparent;
      color: #FFFFFF;
      border-color: #FFFFFF;
    }

    .btn-on-dark-outline:hover,
    .btn-on-dark-outline:focus-visible {
      background: #FFFFFF;
      color: var(--nr-primary-dark);
    }

    /* keep focus ring visible on the dark band (accent orange is too low-contrast on teal) */
    .contact-band :focus-visible {
      outline-color: #FFFFFF;
    }

    .site-footer {
      border-top: 4px solid var(--nr-primary);
      background: var(--nr-footer);
    }

    .footer-inner {
      width: min(1220px, calc(100% - 40px));
      margin: 0 auto;
      min-height: 86px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 22px 0;
      color: #FFFFFF;
      font-size: 14px;
      flex-wrap: wrap;
    }

    .footer-nav {
      display: flex;
      gap: 18px;
      flex-wrap: wrap;
      align-items: center;
    }

    .footer-inner a {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      font-weight: 700;
      color: #FFFFFF;
    }

    .footer-inner a:hover,
    .footer-inner a:focus-visible {
      color: #FFFFFF;
      text-decoration-thickness: 3px;
    }

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

    @media (max-width: 1120px) {
      .hero-grid,
      .stack-explorer {
        grid-template-columns: 1fr;
      }

      .value-rail {
        min-height: auto;
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        grid-template-rows: auto;
        gap: 10px;
        padding: 0;
      }

      .value-rail::before,
      .value-rail::after,
      .rail-title {
        display: none;
      }

      .rail-marker,
      .rail-marker[data-layer="3"],
      .rail-marker[data-layer="2"],
      .rail-marker[data-layer="1"],
      .rail-marker[data-layer="0"] {
        grid-row: auto;
        justify-content: center;
        padding: 10px;
        border: 1px solid rgba(204, 205, 204, 0.8);
        border-radius: var(--radius-md);
        background: var(--nr-card);
      }

      .rail-marker.is-active {
        transform: none;
        border-color: var(--nr-primary);
      }

      .details-panel {
        position: relative;
        top: auto;
        min-height: auto;
      }
    }

    @media (max-width: 760px) {
      .header-inner,
      .footer-inner,
      .container {
        width: min(100% - 28px, 1220px);
      }

      .site-header {
        position: relative;
      }

      .header-inner {
        align-items: flex-start;
        flex-direction: column;
        padding: 16px 0;
      }

      .nav-links {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .hero {
        padding-top: 54px;
      }

      .section-header {
        align-items: start;
        flex-direction: column;
      }

      .layer-card {
        grid-template-columns: 1fr;
        padding: 18px;
      }

      .layer-side {
        width: 100%;
        min-height: 76px;
        grid-template-columns: auto minmax(0, 1fr);
        justify-items: start;
        text-align: left;
      }

      .layer-outcome {
        grid-template-columns: 1fr;
      }

      .value-rail {
        grid-template-columns: 1fr 1fr;
      }

      .flow-chain {
        grid-template-columns: 1fr;
      }

      .flow-arrow {
        text-align: center;
        transform: rotate(90deg);
      }

      .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        transition-duration: 0.001ms !important;
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
      }
    }


/* ── Sections added by the business rebuild ─────────────────────────────── */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border, rgba(15, 23, 42, .1));
  border-radius: 14px;
  background: #fff;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}

.data-table th,
.data-table td {
  padding: .8rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(15, 23, 42, .08);
}

.data-table thead th {
  font-family: "Raleway", Arial, sans-serif;
  font-weight: 700;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #585961;
  background: rgba(47, 153, 164, .06);
  white-space: nowrap;
}

.data-table tbody th {
  font-family: "Raleway", Arial, sans-serif;
  font-weight: 700;
  white-space: nowrap;
}

.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td { border-bottom: 0; }

.status-pill {
  display: inline-block;
  padding: .15rem .6rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  border: 1px solid currentColor;
  white-space: nowrap;
}

/* Orange is the accent and stays reserved for the stages that carry a warning.
 *
 * The pills use the darkened brand variants, not #FF4D00 and #2F99A4: at 11.5px
 * bold those two reach 3.32:1 and 3.37:1 on white, below the 4.5:1 that AA asks
 * of text this size. The hue is the same; --nr-accent-dark and
 * --nr-primary-dark reach 7.6:1 and 8.2:1. */
.status-alpha,
.status-poc,
.status-concept { color: var(--nr-accent-dark); }
.status-beta,
.status-stable { color: var(--nr-primary-dark); }
.status-maintenance,
.status-community { color: #585961; }

.derived-note { color: #FF4D00; font-weight: 700; }
.table-note { margin-top: .75rem; font-size: .85rem; color: #585961; max-width: 80ch; }

.mod-question {
  font-family: "Raleway", Arial, sans-serif;
  font-weight: 700;
  margin: .35rem 0 .5rem;
}

.limits {
  margin-top: 2.5rem;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid #FF4D00;
  background: rgba(255, 77, 0, .04);
  border-radius: 0 14px 14px 0;
}
.limits h3 { margin-top: 0; }
.limits ul { margin: 0; padding-left: 1.1rem; }
.limits li { margin-bottom: .6rem; max-width: 80ch; }

.contact-note { font-size: .88rem; opacity: .85; margin-top: .75rem; }

.btn-outline-on-dark {
  border: 1px solid rgba(255, 255, 255, .55);
  color: #fff;
  background: transparent;
}
.btn-outline-on-dark:hover { background: rgba(255, 255, 255, .12); }

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