/* ── VARIABLES BR STUDIO ── */
    :root {
      --black:   #0C0B09;
      --coal:    #161412;
      --carbon:  #201D19;
      --paper:   #F2EDE3;
      --mid:     #9A9080;
      --gold:    #C4962A;
      --gold-lt: #D4A840;
      --white:   #FAF7F2;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    body {
      background: var(--black);
      color: var(--paper);
      font-family: 'Raleway', sans-serif;
      min-height: 100vh;
      margin-top: 80px;
    }

    /* grain */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 1;
      opacity: 0.3;
      mix-blend-mode: overlay;
    }

    /* ── NAV ── */
    .nav {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 100;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 48px;
      background: rgba(12,11,9,0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(196,150,42,0.12);
    }
    .nav-logo img { height: 36px; }
    .nav-back {
      font-family: 'Raleway', sans-serif;
      font-size: 0.62rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: rgba(242,237,227,0.45);
      text-decoration: none;
      transition: color 0.2s;
    }
    .nav-back:hover { color: var(--white); }
    .nav-back::before { content: '← '; }

    /* ── SIDEBAR ── */
    .sidebar {
      position: fixed;
      left: 0; top: 0; bottom: 0;
      width: 80px;
      background: var(--coal);
      border-right: 1px solid rgba(196,150,42,0.08);
      z-index: 200;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      align-items: center;
      padding: 1rem 0;
    }
    @media (max-width: 991px) { .sidebar { display: none; } }
    @media (min-width: 992px) { body { margin-left: 80px; } }

    /* ── PAGE ── */
    .page-wrap {
      max-width: 720px;
      margin: 0 auto;
      padding: 64px 24px 80px;
      position: relative;
      z-index: 2;
    }

    /* ── EYEBROW ── */
    .eyebrow {
      font-family: 'Raleway', sans-serif;
      font-size: 0.72rem;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--gold);
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
    }
    .eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--gold); }

    /* ── HERO ── */
    .diag-hero { margin-bottom: 56px; }
    .diag-h1 {
      font-family: 'Raleway', sans-serif;
      font-weight: 800;
      font-size: clamp(2rem, 5vw, 3.2rem);
      line-height: 1.08;
      color: var(--white);
      margin-bottom: 20px;
    }
    .diag-h1 em { font-style: italic; color: var(--gold); font-weight: 300; }
    .diag-desc {
      font-family: 'Raleway', sans-serif;
      font-style: italic;
      font-size: 1rem;
      color: rgba(242,237,227,0.65);
      line-height: 1.7;
      max-width: 480px;
      margin-bottom: 12px;
    }
    .diag-note {
      font-family: 'Raleway', sans-serif;
      font-size: 0.72rem;
      letter-spacing: 0.1em;
      color: rgba(242,237,227,0.4);
      text-transform: uppercase;
    }

    /* ── PREGUNTAS ── */
    .question-block {
      border-top: 1px solid rgba(196,150,42,0.12);
      padding-top: 36px;
      margin-top: 36px;
    }
    .question-block:first-child { border-top: none; padding-top: 0; margin-top: 0; }
    .question-num {
      font-family: 'Raleway', sans-serif;
      font-size: 0.62rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--gold);
      margin-bottom: 10px;
    }
    .question-title {
      font-family: 'Raleway', sans-serif;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--white);
      line-height: 1.45;
      margin-bottom: 28px;
    }

    /* escala */
    .scale-wrap { display: flex; flex-direction: column; gap: 12px; }
    .scale-labels {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 6px;
      font-size: 0.6rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: rgba(242,237,227,0.75);
      text-align: center;
    }
    .scale-dots {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 10px;
    }
    .scale-dots label {
      display: flex;
      justify-content: center;
      cursor: pointer;
    }
    .scale-dots input { display: none; }
    .dot {
      width: 28px; height: 28px;
      border-radius: 50%;
      border: 1px solid rgba(196,150,42,0.45);
      transition: border-color 0.2s, background 0.2s, transform 0.2s;
    }
    .dot:hover { border-color: rgba(196,150,42,0.85); }
    .scale-dots input:checked + .dot {
      background: var(--gold);
      border-color: var(--gold);
      transform: scale(1.15);
    }
  /* ── Texto legal ── */
    .legal-layer {
      font-family: 'Raleway', sans-serif;
      font-size: 0.72rem;
      color: rgba(242,237,227,0.4);
      line-height: 1.6;
      margin: 16px 0 12px;
    }

    .legal-layer a {
      color: var(--gold);
      text-decoration: none;
    }

    .legal-layer a:hover { text-decoration: underline; }

    .legal-checkbox {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-family: 'Raleway', sans-serif;
      font-size: 0.78rem;
      color: rgba(242,237,227,0.55);
      line-height: 1.5;
      cursor: pointer;
      margin-bottom: 12px;
    }

    .legal-checkbox input[type="checkbox"] {
      margin-top: 2px;
      flex-shrink: 0;
      accent-color: var(--gold);
      width: 14px;
      height: 14px;
      cursor: pointer;
    }

    /* ── BOTÓN PRINCIPAL ── */
    .btn-diag {
      display: inline-block;
      background: var(--gold);
      color: var(--black);
      font-family: 'Raleway', sans-serif;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      border: none;
      padding: 16px 40px;
      cursor: pointer;
      transition: background 0.2s;
      width: 100%;
      margin-top: 48px;
    }
    .btn-diag:hover { background: var(--gold-lt); }
    .btn-diag:disabled { opacity: 0.4; cursor: not-allowed; }

    /* ── RESULTADO ── */
    .result-card {
      display: none;
      margin-top: 48px;
      padding: 36px;
      border: 1px solid rgba(196,150,42,0.15);
      background: var(--coal);
      position: relative;
    }
    .result-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 2px;
      background: var(--gold);
    }
    .result-card.show { display: block; }
    .result-card.result-good::before { background: #7ed321; }
    .result-card.result-mid::before  { background: var(--gold); }

    .result-kicker {
      font-family: 'Raleway', sans-serif;
      font-size: 0.62rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--mid);
      margin-bottom: 12px;
    }
    .result-title {
      font-family: 'Raleway', sans-serif;
      font-weight: 700;
      font-size: 1.2rem;
      color: var(--white);
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .result-text {
      font-family: 'Raleway', sans-serif;
      font-style: italic;
      font-size: 0.9rem;
      color: rgba(242,237,227,0.6);
      line-height: 1.7;
    }

    .result-rec {
      font-family: 'Raleway', sans-serif;
      font-size: 0.85rem;
      color: var(--gold);
      font-style: italic;
      line-height: 1.7;
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid rgba(196,150,42,0.2);
    }

    .options-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 8px;
    }

    .option-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-family: 'Raleway', sans-serif;
      font-size: 0.9rem;
      color: rgba(242,237,227,0.7);
      cursor: pointer;
    }

    .option-item input[type="radio"] {
      accent-color: var(--gold);
      width: 16px;
      height: 16px;
      flex-shrink: 0;
      cursor: pointer;
    }

    .option-item span {
      font-size: 0.7rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: rgba(242, 237, 227, 0.75);
      text-align: center;
    }
    .option-item:hover span { color: var(--white); }

    .result-score {
      font-family: 'Raleway', sans-serif;
      font-size: 3rem;
      font-weight: 800;
      color: var(--gold);
      line-height: 1;
      margin-bottom: 16px;
    }

    /* ── EMAIL CARD ── */
    .email-card {
      display: none;
      margin-top: 24px;
      padding: 36px;
      border: 1px solid rgba(196,150,42,0.1);
      background: var(--carbon);
    }
    .email-card.show { display: block; }
    .email-title {
      font-family: 'Raleway', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      color: var(--white);
      margin-bottom: 8px;
    }
    .email-desc {
      font-family: 'Raleway', sans-serif;
      font-style: italic;
      font-size: 0.85rem;
      color: rgba(242,237,227,0.45);
      line-height: 1.65;
      margin-bottom: 24px;
    }
    .email-input {
      width: 100%;
      background: rgba(242,237,227,0.04);
      border: 1px solid rgba(196,150,42,0.18);
      color: var(--white);
      font-family: 'Raleway', sans-serif;
      font-size: 0.95rem;
      padding: 14px 18px;
      outline: none;
      transition: border-color 0.2s;
      margin-bottom: 16px;
    }
    .email-input:focus { border-color: var(--gold); }
    .email-input::placeholder { color: rgba(242,237,227,0.2); font-style: italic; }
    .btn-email {
      display: inline-block;
      background: none;
      border: 1px solid rgba(196,150,42,0.35);
      color: var(--gold);
      font-family: 'Raleway', sans-serif;
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      padding: 13px 28px;
      cursor: pointer;
      transition: background 0.2s, color 0.2s;
      width: 100%;
    }
    .btn-email:hover { background: var(--gold); color: var(--black); }
    .legal-note {
      font-family: 'Raleway', sans-serif;
      font-size: 0.68rem;
      color: rgba(242,237,227,0.2);
      line-height: 1.5;
      margin-top: 14px;
    }
    .success-note {
      display: none;
      font-family: 'Raleway', sans-serif;
      font-size: 0.82rem;
      color: rgba(196,150,42,0.8);
      margin-top: 12px;
    }

    /* ── FOOTER ── */
    .diag-footer {
      margin-top: 80px;
      padding-top: 32px;
      border-top: 1px solid rgba(196,150,42,0.1);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-family: 'Raleway', sans-serif;
      font-size: 0.6rem;
      letter-spacing: 0.08em;
      color: rgba(242,237,227,0.38);
    }

    @media (max-width: 600px) {
      .nav { padding: 16px 20px; }
      .page-wrap { padding: 40px 20px 60px; }
      .result-card,
      .email-card { padding: 24px; }
    }