@font-face {
      font-family: 'Trade Gothic Extended';
      src: local('Trade Gothic LT Extended Bold'),
           local('TradeGothicLTStd-BdCn20');
      font-weight: bold;
      font-style: normal;
    }

    :root {
      --off-white: #FAF5F0;
      --black: #000000;
      --mid: #706E6A;
      --muted: #999790;
      --accent: #FF3C00;
      --white: #FFFFFF;
      --teal: #2D7A50;
      --border: #D5D3CF;
      --surface: #EDEAE5;
      --c-good: #2D7A50;
      --c-moderate: #B5860A;
      --c-poor: #C85500;
      --c-critical: #FF3C00;
    }

    * { margin: 0; padding: 0; box-sizing: border-box; }

    html {
      font-size: 15px;
      line-height: 1.6;
    }

    body {
      font-family: 'IBM Plex Mono', monospace;
      font-weight: 400;
      color: var(--black);
      background: var(--off-white);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .tg {
      font-family: 'Trade Gothic Extended', 'Arial Black', sans-serif;
      font-weight: bold;
    }

    /* === QUIZ SHELL === */

    .quiz-wrap {
      max-width: 560px;
      width: 100%;
      margin: 0 auto;
      padding: 48px 24px 80px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    /* === HEADER === */

    .quiz-header {
      margin-bottom: 40px;
    }

    .ondsu-logo {
      width: 100px;
      height: auto;
      display: block;
      fill: var(--black);
    }

    /* === PROGRESS BAR === */

    .progress-zone {
      margin-bottom: 40px;
      display: none;
    }

    .progress-zone.visible {
      display: block;
    }

    .progress-section-label {
      font-size: 10px;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 8px;
    }

    .progress-track {
      width: 100%;
      height: 3px;
      background: var(--border);
      position: relative;
    }

    .progress-fill {
      height: 100%;
      background: var(--accent);
      transition: width 0.4s ease;
      width: 0%;
    }

    /* === PAGE CONTAINER === */

    .quiz-page {
      display: none;
      flex: 1;
      animation: fadeIn 0.3s ease;
    }

    .quiz-page.active {
      display: flex;
      flex-direction: column;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(8px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* === WELCOME === */

    .welcome-headline {
      font-family: 'IBM Plex Mono', monospace;
      font-size: 32px;
      font-weight: 400;
      letter-spacing: -0.02em;
      line-height: 1.15;
      margin-bottom: 20px;
    }

    .welcome-sub {
      font-size: 14px;
      color: var(--mid);
      line-height: 1.6;
      margin-bottom: 32px;
    }

    .welcome-trust {
      font-size: 11px;
      color: var(--muted);
      margin-top: 16px;
    }

    .welcome-micro {
      font-size: 11px;
      color: var(--muted);
      margin-top: 12px;
    }

    /* === QUESTION === */

    .question-text {
      font-size: 20px;
      font-weight: 500;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .question-help {
      font-size: 12px;
      color: var(--muted);
      font-style: italic;
      margin-bottom: 24px;
      min-height: 18px;
    }

    /* === OPTIONS === */

    .options-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 24px;
    }

    .option-card {
      padding: 14px 18px;
      border: 1.5px solid var(--border);
      background: var(--white);
      cursor: pointer;
      font-family: 'IBM Plex Mono', monospace;
      font-size: 13px;
      line-height: 1.4;
      transition: border-color 0.15s, background 0.15s;
      user-select: none;
    }

    .option-card:hover {
      border-color: var(--mid);
    }

    .option-card.selected {
      border-color: var(--accent);
      background: rgba(255, 60, 0, 0.04);
    }

    .option-card.multi {
      position: relative;
      padding-left: 40px;
    }

    .option-card.multi::before {
      content: '';
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      width: 16px;
      height: 16px;
      border: 1.5px solid var(--border);
      border-radius: 2px;
      transition: background 0.15s, border-color 0.15s;
    }

    .option-card.multi.selected::before {
      background: var(--accent);
      border-color: var(--accent);
    }

    /* === DESIGNPRO TOGGLE === */

    .designpro-toggle {
      font-size: 11px;
      color: var(--muted);
      cursor: pointer;
      margin-top: 16px;
      padding: 8px 0;
      border: none;
      background: none;
      font-family: 'IBM Plex Mono', monospace;
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .designpro-toggle:hover {
      color: var(--accent);
    }

    .designpro-indicator {
      font-size: 10px;
      color: var(--accent);
      letter-spacing: 0.06em;
      text-transform: uppercase;
      margin-top: 6px;
      display: none;
    }

    .designpro-indicator.visible {
      display: block;
    }

    /* === BUTTONS === */

    .btn-primary {
      display: inline-block;
      padding: 14px 32px;
      background: var(--accent);
      color: var(--white);
      border: none;
      font-family: 'IBM Plex Mono', monospace;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.02em;
      cursor: pointer;
      transition: opacity 0.15s;
      text-align: center;
    }

    .btn-primary:hover {
      opacity: 0.88;
    }

    .btn-primary:disabled {
      opacity: 0.35;
      cursor: not-allowed;
    }

    .btn-secondary {
      display: inline-block;
      padding: 14px 32px;
      background: none;
      color: var(--mid);
      border: 1.5px solid var(--border);
      font-family: 'IBM Plex Mono', monospace;
      font-size: 13px;
      font-weight: 400;
      cursor: pointer;
      transition: border-color 0.15s;
      text-align: center;
    }

    .btn-secondary:hover {
      border-color: var(--mid);
    }

    .btn-row {
      display: flex;
      gap: 12px;
      margin-top: 8px;
    }

    .btn-back {
      background: none;
      border: none;
      font-family: 'IBM Plex Mono', monospace;
      font-size: 12px;
      color: var(--muted);
      cursor: pointer;
      padding: 8px 0;
      margin-top: 12px;
    }

    .btn-back:hover {
      color: var(--mid);
    }

    /* === EMAIL GATE === */

    .email-field {
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 16px;
    }

    .email-field label {
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--muted);
    }

    .email-field input {
      padding: 12px 14px;
      border: 1.5px solid var(--border);
      background: var(--white);
      font-family: 'IBM Plex Mono', monospace;
      font-size: 13px;
      outline: none;
      transition: border-color 0.15s;
    }

    .email-field input:focus {
      border-color: var(--mid);
    }

    .gdpr-row {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin: 16px 0 24px;
      font-size: 11px;
      color: var(--mid);
      line-height: 1.5;
    }

    .gdpr-row input[type="checkbox"] {
      margin-top: 3px;
      accent-color: var(--accent);
    }

    .email-trust {
      font-size: 11px;
      color: var(--muted);
      margin-top: 8px;
    }

    /* === RESULTS (matches ondsu-report.html) === */

    .rpt .section {
      margin-bottom: 72px;
    }

    .rpt .section:last-child {
      margin-bottom: 0;
    }

    .rpt .section-header { font-size: 16px; letter-spacing: 0.1em; text-transform: uppercase; }

    .rpt .short-rule {
      width: 30px;
      height: 1px;
      background: var(--black);
      margin-top: 10px;
    }

    .rpt .body-lg { font-size: 14px; line-height: 1.5; }
    .rpt .body { font-size: 12px; line-height: 1.6; }
    .rpt .body-sm { font-size: 11px; line-height: 1.5; }
    .rpt .body-xs { font-size: 10px; line-height: 1.4; }
    .rpt .text-mid { color: var(--mid); }
    .rpt .text-muted { color: var(--muted); }
    .rpt .text-white { color: var(--white); }
    .rpt .mono-medium { font-weight: 500; }
    .rpt .mono-bold { font-weight: 700; }

    .rpt .score-number { font-size: 72px; line-height: 1; letter-spacing: 0; }
    .rpt .score-suffix { font-size: 20px; letter-spacing: 0; vertical-align: baseline; }
    .rpt .band-label { font-size: 20px; letter-spacing: 0.08em; }
    .rpt .band-label-text { margin-top: 4px; }
    .rpt .band-headline { margin-top: 6px; }
    .rpt .score-display { margin-bottom: 8px; }

    .rpt .investment-large { font-size: 36px; letter-spacing: 0; text-align: center; }
    .rpt .investment-centered { margin: 32px 0; text-align: center; }

    .rpt .quick-win-number { font-size: 11px; }
    .rpt .quick-win-header { margin-bottom: 16px; }
    .rpt .quick-win-list { list-style: none; padding: 0; }
    .rpt .quick-win-list li { margin-bottom: 16px; display: flex; gap: 8px; }
    .rpt .quick-win-list li .num { flex-shrink: 0; width: 16px; }
    .rpt .power-close { margin-top: 16px; }

    .rpt .rt60-boxes {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2px;
      margin-bottom: 20px;
    }

    .rpt .rt60-box {
      background: var(--surface);
      border: 1px solid var(--border);
      padding: 16px;
    }

    .rpt .rt60-box-label {
      font-size: 10px;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: 0.06em;
      margin-bottom: 4px;
    }

    .rpt .rt60-box-val {
      font-family: 'IBM Plex Mono', monospace;
      font-size: 14px;
      font-weight: 500;
    }

    .rpt .rt60-box-val span {
      font-size: 14px;
      font-weight: 400;
      color: var(--mid);
    }

    .rpt .rt60-graphic {
      margin: 4px 0 20px;
      overflow: visible;
    }

    .rpt .rt60-graphic svg {
      width: 100%;
      height: auto;
      display: block;
      overflow: visible;
    }

    .rpt .rt60-legend {
      display: flex;
      gap: 24px;
      margin-bottom: 20px;
    }

    .rpt .rt60-legend-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 11px;
      color: var(--mid);
    }

    .rpt .rt60-legend-dot {
      width: 12px;
      height: 12px;
      flex-shrink: 0;
    }

    .rpt .transition-zone {
      border-top: 1px solid var(--black);
      padding-top: 48px;
      text-align: center;
      margin-bottom: 48px;
    }

    .rpt .transition-main { margin-bottom: 8px; }

    .rpt .cta-button {
      display: block;
      width: 100%;
      max-width: 400px;
      height: 48px;
      margin: 24px auto 0;
      background: var(--accent);
      border: none;
      border-radius: 4px;
      text-align: center;
      line-height: 48px;
      text-decoration: none;
      font-size: 13px;
      font-weight: 500;
      letter-spacing: 0.04em;
    }

    .rpt .bridge-emphasis { margin: 20px 0; }

    .rpt .footer {
      margin-top: 64px;
      padding-top: 20px;
      border-top: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
    }

    .c-good { color: var(--c-good); }
    .c-moderate { color: var(--c-moderate); }
    .c-poor { color: var(--c-poor); }
    .c-critical { color: var(--c-critical); }

    .rpt .severity-legend {
      display: flex;
      gap: 20px;
      margin-top: 16px;
      flex-wrap: wrap;
    }

    .rpt .severity-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 10px;
      color: var(--mid);
    }

    .rpt .severity-dot {
      width: 8px;
      height: 8px;
      border-radius: 2px;
      flex-shrink: 0;
    }

    .rpt .lead-stat-block {
      position: relative;
      padding-left: 20px;
      margin: 16px 0;
      border-left: 3px solid var(--accent);
    }

    .rpt .source-line {
      margin-top: 16px;
      font-style: italic;
      border-top: 1px solid var(--border);
      padding-top: 12px;
    }

    .rpt .after-sentence { margin-top: 16px; }

    .rpt .caveat {
      margin-top: 16px;
      padding-left: 20px;
    }

    .rpt .provenance { margin-top: 12px; }

    .rpt .header-zone {
      padding-bottom: 20px;
      border-bottom: 1px solid var(--black);
      margin-bottom: 32px;
    }

    .rpt .report-h1 {
      font-family: 'IBM Plex Mono', monospace;
      font-size: 48px;
      font-weight: 400;
      letter-spacing: -0.03em;
      margin: 32px 0 40px;
      line-height: 1.1;
    }

    .rpt .logo-wrap { margin-bottom: 8px; }
    .rpt .header-meta-row { margin-bottom: 12px; }

    .rpt .investment-label {
      font-size: 10px;
      letter-spacing: 0.12em;
      color: var(--muted);
    }

    @media print {
      .rpt { background: #FFFFFF; }
      .rpt .rt60-box { background: #F5F5F5; }
    }

    /* === RESPONSIVE === */

    @media (max-width: 480px) {
      .quiz-wrap { padding: 32px 16px 60px; }
      .welcome-headline { font-size: 26px; }
      .rpt .score-number { font-size: 56px; }
      .rpt .rt60-boxes { grid-template-columns: 1fr; }
      .rpt .report-h1 { font-size: 32px; }
      .btn-row { flex-direction: column; }
    }