:root {
      --bg: #110d0c;
      --surface: #1c1613;
      --surface-2: #271e19;
      --border: rgba(246, 240, 234, 0.10);
      --border-strong: rgba(246, 240, 234, 0.18);
      --accent: #d21f2f;
      --accent-bright: #ff4b52;
      --text: #f6f0ea;
      --text-muted: #a89890;
      --text-faint: #6f6259;
      --font-display: 'Anton', Impact, 'Arial Narrow', sans-serif;
      --font-body: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
      --font-mono: 'Space Mono', 'Courier New', monospace;
    }

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

    body {
      background:
        radial-gradient(ellipse 60% 40% at 50% 0%, rgba(210, 31, 47, 0.16), transparent 60%),
        repeating-linear-gradient(135deg, rgba(246, 240, 234, 0.02) 0px, rgba(246, 240, 234, 0.02) 2px, transparent 2px, transparent 14px),
        var(--bg);
      color: var(--text);
      font-family: var(--font-body);
      min-height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 32px 16px;
    }

    .stage {
      width: 100%;
      max-width: 440px;
      display: flex;
      justify-content: center;
    }

    .card {
      position: relative;
      width: 100%;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 14px;
      box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 0, 0, 0.2);
      overflow: hidden;
    }

    /* Dobra de canto confidencial */
    .card::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 0;
      height: 0;
      border-style: solid;
      border-width: 0 26px 26px 0;
      border-color: transparent var(--bg) transparent transparent;
      filter: drop-shadow(-1px 1px 0 var(--border-strong));
      pointer-events: none;
    }

    .ribbon {
      background: linear-gradient(180deg, var(--accent), #ad1622);
      color: #fff6f4;
      font-family: var(--font-mono);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.03em;
      text-align: center;
      padding: 10px 40px 10px 14px;
      line-height: 1.4;
    }

    .progress-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px 18px 0 18px;
    }

    .progress-track {
      flex: 1;
      height: 6px;
      background: var(--surface-2);
      border-radius: 999px;
      overflow: hidden;
    }

    .progress-fill {
      height: 100%;
      width: 25%;
      background: linear-gradient(90deg, var(--accent), var(--accent-bright));
      border-radius: 999px;
      transition: width 500ms ease;
    }

    .progress-pct {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--text-muted);
      font-variant-numeric: tabular-nums;
      white-space: nowrap;
      text-align: right;
    }

    .steps {
      position: relative;
      padding: 22px 22px 26px 22px;
    }

    .step {
      display: none;
      flex-direction: column;
      align-items: flex-start;
      gap: 16px;
    }

    .step.is-active {
      display: flex;
      animation: stepIn 420ms ease both;
    }

    @keyframes stepIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .case-no {
      font-family: var(--font-mono);
      font-size: 11px;
      letter-spacing: 0.08em;
      color: var(--text-faint);
      text-transform: uppercase;
    }

    .stamp {
      position: absolute;
      top: 64px;
      right: 22px;
      font-family: var(--font-mono);
      font-weight: 700;
      font-size: 12px;
      letter-spacing: 0.06em;
      color: var(--accent-bright);
      border: 2px dashed rgba(255, 75, 82, 0.55);
      padding: 5px 9px;
      border-radius: 4px;
      transform: rotate(9deg);
      text-transform: uppercase;
    }

    .headline {
      font-family: var(--font-display);
      font-weight: 400;
      text-transform: uppercase;
      font-size: clamp(26px, 7vw, 32px);
      line-height: 1.12;
      letter-spacing: 0.005em;
      text-wrap: balance;
      margin: 0;
    }

    .hl-accent {
      color: var(--accent-bright);
      position: relative;
      display: inline-block;
    }

    .step.is-active .hl-accent::before {
      content: "";
      position: absolute;
      inset: -2px -4px;
      background: #0a0808;
      transform-origin: right;
      animation: redactWipe 700ms 260ms cubic-bezier(.7, 0, .3, 1) both;
    }

    @keyframes redactWipe {
      from { transform: scaleX(1); }
      to { transform: scaleX(0); }
    }

    .body-text {
      font-size: 15px;
      line-height: 1.55;
      color: var(--text-muted);
      margin: 0;
      max-width: 65ch;
    }

    .body-text strong {
      color: var(--text);
      font-weight: 700;
    }

    .cta {
      display: block;
      text-align: center;
      text-decoration: none;
      width: 100%;
      border: none;
      border-radius: 10px;
      background: linear-gradient(180deg, var(--accent-bright), var(--accent));
      color: #fff8f7;
      font-family: var(--font-body);
      font-weight: 800;
      font-size: 16px;
      padding: 16px 18px;
      cursor: pointer;
      box-shadow: 0 12px 24px -10px rgba(210, 31, 47, 0.55);
      transition: transform 150ms ease, box-shadow 150ms ease, filter 150ms ease;
    }

    .cta:hover {
      filter: brightness(1.06);
      transform: translateY(-1px);
    }

    .cta:active {
      transform: translateY(0);
      filter: brightness(0.96);
    }

    .cta:focus-visible {
      outline: 2px solid var(--text);
      outline-offset: 3px;
    }

    .fine-print {
      font-family: var(--font-mono);
      font-size: 11.5px;
      color: var(--text-faint);
      letter-spacing: 0.02em;
    }

    .back-link {
      background: none;
      border: none;
      color: var(--text-faint);
      font-family: var(--font-mono);
      font-size: 12px;
      cursor: pointer;
      padding: 0 22px 20px 22px;
    }

    .back-link:hover {
      color: var(--text-muted);
    }

    .back-link:focus-visible {
      outline: 2px solid var(--text-faint);
      outline-offset: 2px;
    }

    @media (prefers-reduced-motion: reduce) {
      .step.is-active { animation: none; }
      .step.is-active .hl-accent::before { animation: none; transform: scaleX(0); }
      .cta { transition: none; }
      .progress-fill { transition: none; }
    }

    @media (max-width: 380px) {
      .stamp { display: none; }
    }