.calc-section {
      padding: 60px 0;
    }

    .calc-app {
      color-scheme: light;
      --lotus-teal-dark: var(--primary-dark, #0f5f6c);
      --lotus-teal: var(--primary, #1c7c8d);
      --lotus-teal-light: #84d4cb;
      --bg: var(--sand);
      --fg: var(--text-main);
      --muted: var(--text-muted);
      --card: var(--white);
      --border: var(--border);
      --accent: var(--primary, #1c7c8d);
      --accent-soft: rgba(28, 124, 141, 0.14);
      --accent-strong: var(--primary-dark, #0f5f6c);
      --focus: rgba(15, 95, 108, 0.35);
      --success: #2a9d8f;
      --warning: #f1a208;
      --danger: #d64545;
      --shadow: 0 18px 36px rgba(13, 67, 82, 0.16);
      font-family: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      font-size: 16px;
      line-height: 1.6;
      display: grid;
      gap: 32px;
    }

    .calc-app *,
    .calc-app *::before,
    .calc-app *::after {
      box-sizing: border-box;
    }

    .calc-app {
      margin: 0;
      background: var(--bg);
      color: var(--fg);
      line-height: 1.6;
    }

    .calc-app .calc-page {
      max-width: 1080px;
      margin: 0 auto;
      padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 4vw, 2.8rem) 4rem;
      display: grid;
      gap: 2rem;
    }

    .calc-app h1,
    .calc-app h2,
    .calc-app h3 {
      margin: 0;
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--fg);
    }

    .calc-app p {
      margin: 0 0 0.75rem;
    }

    .calc-app .card {
      background: var(--card);
      border-radius: 18px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      padding: clamp(1.75rem, 3.5vw, 2.5rem);
    }

    .calc-app .is-hidden {
      display: none !important;
    }

    .calc-app .intro__actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-top: 1.5rem;
    }

    .calc-app .start-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.8fr) minmax(240px, 1fr);
      gap: clamp(1.5rem, 3vw, 2.8rem);
      align-items: start;
    }

    .calc-app .social-proof {
      border-radius: 14px;
      background: #fff;
      border: 1px solid rgba(79, 183, 200, 0.25);
      padding: 1.1rem 1.3rem;
      display: grid;
      gap: 0.35rem;
      color: var(--accent-strong);
      box-shadow: 0 12px 26px rgba(15, 76, 92, 0.12);
    }

    .calc-app .social-proof__figure {
      font-size: 1.45rem;
      font-weight: 700;
    }

    .calc-app .social-proof__caption {
      font-size: 0.95rem;
      color: var(--muted);
    }

    .calc-app button,
    .calc-app input,
    .calc-app textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    .calc-app .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.4rem;
      padding: 0.9rem 1.8rem;
      border-radius: 999px;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.2s ease;
      font-weight: 600;
      letter-spacing: 0.01em;
    }

    .calc-app .btn--primary {
      background: linear-gradient(135deg, var(--lotus-teal), var(--lotus-teal-light));
      color: #fff;
      border-color: rgba(255, 255, 255, 0.4);
      box-shadow: 0 12px 28px rgba(15, 76, 92, 0.25);
    }

    .calc-app .btn--primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 16px 36px rgba(15, 76, 92, 0.3);
    }

    .calc-app .btn--ghost {
      background: transparent;
      border-color: rgba(13, 67, 82, 0.25);
      color: var(--accent-strong);
      font-weight: 600;
    }

    .calc-app .btn--ghost:hover {
      border-color: var(--accent);
      color: var(--accent);
    }

    .calc-app .hint {
      font-size: 0.95rem;
      color: var(--muted);
    }

    .calc-app .wizard {
      display: none;
      flex-direction: column;
      gap: 1.5rem;
    }

    .calc-app .wizard.is-active {
      display: flex;
    }

    .calc-app .wizard__header {
      display: grid;
      gap: 0.75rem;
    }

    .calc-app .progress {
      position: relative;
      height: 10px;
      background: rgba(11, 114, 133, 0.08);
      border-radius: 999px;
      overflow: hidden;
    }

    .calc-app .progress__bar {
      height: 100%;
      width: 0;
      background: var(--accent);
      transition: width 0.3s ease;
    }

    .calc-app .wizard__meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.95rem;
      color: var(--muted);
    }

    .calc-app .wizard-content {
      display: none;
      flex-direction: column;
      gap: 1.5rem;
    }

    .calc-app .wizard-content.is-active {
      display: flex;
    }

    .calc-app fieldset {
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 1.25rem 1.5rem 1.35rem;
      margin: 0;
      background: rgba(255, 255, 255, 0.92);
    }

    .calc-app legend {
      font-weight: 600;
      font-size: 1.05rem;
      padding: 0 0.25rem;
      color: var(--fg);
    }

    .calc-app .question__info {
      font-size: 0.93rem;
      color: var(--muted);
      margin-top: 0.35rem;
      margin-bottom: 1rem;
    }

    .calc-app .options {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 0.65rem;
    }

    .calc-app .option {
      position: relative;
      border: 1.5px solid rgba(15, 23, 42, 0.18);
      border-radius: 16px;
      padding: 1rem 1.2rem;
      background: #fff;
      cursor: pointer;
      transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      display: flex;
      align-items: flex-start;
      gap: 0.75rem;
      z-index: 1;
      box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
    }

    .calc-app .option input {
      position: absolute;
      opacity: 0;
      inset: 0;
      margin: 0;
      pointer-events: none;
    }

    .calc-app .option:hover,
    .calc-app .option:focus-within {
      border-color: var(--accent);
      transform: translateY(-1px);
      box-shadow: 0 18px 36px rgba(11, 114, 133, 0.18);
      background: rgba(79, 183, 200, 0.08);
    }

    .calc-app .option:has(input:checked) {
      border-color: rgba(11, 107, 130, 0.6);
      background: linear-gradient(135deg, rgba(79, 183, 200, 0.32), rgba(11, 107, 130, 0.15));
      box-shadow: 0 20px 38px rgba(11, 107, 130, 0.22);
    }

    .calc-app .option:has(.option__info[data-open="true"]) {
      z-index: 60;
    }

    .calc-app .option__label {
      font-weight: 600;
      color: var(--fg);
      font-size: 1.02rem;
    }

    .calc-app .option__example {
      display: none;
    }

    .calc-app .option:has(input:checked) .option__content,
    .calc-app .option:has(input:checked) .option__label,
    .calc-app .option:has(input:checked) .option__info,
    .calc-app .option:has(input:checked) .option__example {
      color: var(--accent-strong);
    }

    .calc-app .option:has(input:checked) .option__content {
      font-weight: 600;
    }

    .calc-app .option__content {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      justify-content: space-between;
      flex: 1 1 auto;
    }

    .calc-app .option__info {
      position: relative;
      display: inline-flex;
      align-items: center;
    }

    .calc-app .option__info-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      border: 1px solid var(--border);
      background: var(--accent-soft);
      color: var(--accent);
      font-weight: 600;
      cursor: pointer;
      font-size: 0.85rem;
      line-height: 1;
    }

    .calc-app .option__info-btn:hover,
    .calc-app .option__info-btn:focus-visible {
      border-color: var(--accent);
      outline: none;
      box-shadow: 0 0 0 3px rgba(13, 148, 173, 0.18);
    }

    .calc-app .option__tooltip {
      position: absolute;
      top: calc(100% + 8px);
      right: 0;
      min-width: 220px;
      max-width: 260px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 10px;
      box-shadow: 0 12px 28px rgba(15, 23, 42, 0.16);
      padding: 0.75rem 0.85rem;
      font-size: 0.9rem;
      line-height: 1.4;
      color: var(--muted);
      display: none;
      z-index: 40;
    }

    .calc-app .option__tooltip::before {
      content: "";
      position: absolute;
      top: -6px;
      right: 12px;
      width: 12px;
      height: 12px;
      background: #fff;
      border-left: 1px solid var(--border);
      border-top: 1px solid var(--border);
      transform: rotate(45deg);
    }

    .calc-app .option__info[data-open="true"] .option__tooltip {
      display: block;
    }

    .calc-app .wizard__nav {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 0.75rem;
      align-items: center;
    }

    .calc-app .wizard__actions {
      display: flex;
      gap: 0.75rem;
      flex-wrap: wrap;
    }

    .calc-app .nav-hint {
      font-size: 0.92rem;
      color: var(--danger);
      min-height: 1.1rem;
    }

    .calc-app .result {
      display: none;
      flex-direction: column;
      gap: 1.5rem;
    }

    .calc-app .result.is-active {
      display: flex;
    }

    .calc-app .result__summary {
      display: grid;
      gap: 0.4rem;
    }

    .calc-app .result__score {
      font-size: clamp(2.1rem, 4vw, 2.6rem);
      font-weight: 700;
      color: var(--accent-strong);
    }

    .calc-app .ampel-grid {
      display: grid;
      gap: 1rem;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .calc-app .ampel-card {
      border-radius: 14px;
      padding: 1.1rem 1.25rem;
      border: 1px solid var(--border);
      background: #fff;
      display: grid;
      gap: 0.4rem;
    }

    .calc-app .ampel-card__title {
      font-weight: 600;
    }

    .calc-app .ampel-card__badge {
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      font-size: 0.85rem;
      font-weight: 600;
      padding: 0.35rem 0.6rem;
      border-radius: 999px;
      background: rgba(66, 85, 103, 0.08);
    }

    .calc-app .ampel-card[data-tone="green"] {
      border-color: rgba(42, 157, 143, 0.35);
      background: rgba(42, 157, 143, 0.08);
    }

    .calc-app .ampel-card[data-tone="yellow"] {
      border-color: rgba(241, 162, 8, 0.35);
      background: rgba(241, 162, 8, 0.08);
    }

    .calc-app .ampel-card[data-tone="red"] {
      border-color: rgba(214, 69, 69, 0.35);
      background: rgba(214, 69, 69, 0.1);
    }

    .calc-app .ampel-card[data-used="false"] {
      opacity: 0.72;
    }

    .calc-app .recommendations {
      display: grid;
      gap: 0.55rem;
      padding-left: 1.1rem;
      color: var(--fg);
    }

    .calc-app .notice {
      background: rgba(11, 114, 133, 0.08);
      border-left: 4px solid var(--accent);
      padding: 0.85rem 1rem;
      border-radius: 12px;
      color: var(--muted);
    }

    .calc-app .notice--warning {
      background: rgba(241, 162, 8, 0.12);
      border-left-color: var(--warning);
      color: #8a5a00;
    }

    .calc-app .notice--danger {
      background: rgba(214, 69, 69, 0.12);
      border-left-color: var(--danger);
      color: #7d2424;
    }

    .calc-app .result__actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-top: 0.5rem;
    }

    .calc-app .contact-card {
      display: grid;
      gap: 0.3rem;
      padding: 1rem 1.2rem;
      border-radius: 12px;
      border: 1px solid rgba(79, 183, 200, 0.25);
      background: rgba(79, 183, 200, 0.08);
      color: var(--accent-strong);
      font-size: 0.95rem;
    }

    .calc-app .contact-card strong {
      font-size: 1.05rem;
    }

    .calc-app .consult-box {
      display: none;
      flex-direction: column;
      gap: 1rem;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 1.25rem;
      background: rgba(11, 114, 133, 0.05);
    }

    .calc-app .consult-box.is-active {
      display: flex;
    }

    .calc-app .consult-box form {
      display: grid;
      gap: 0.85rem;
    }

    .calc-app .form-row {
      display: grid;
      gap: 0.65rem;
    }

    .calc-app .form-row label {
      font-weight: 600;
      color: var(--fg);
    }

    .calc-app .form-row input,
    .calc-app .form-row textarea {
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 0.7rem 0.85rem;
      background: #fff;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .calc-app .form-row input:focus,
    .calc-app .form-row textarea:focus {
      outline: none;
      border-color: var(--focus);
      box-shadow: 0 0 0 3px rgba(13, 148, 173, 0.18);
    }

    .calc-app .consult-success {
      display: none;
      background: rgba(42, 157, 143, 0.13);
      border-left: 4px solid var(--success);
      padding: 0.8rem 1rem;
      border-radius: 12px;
      color: var(--success);
      font-weight: 600;
    }

    .calc-app .consult-success.is-active {
      display: block;
    }

    .calc-app .recaptcha-wrapper {
      margin: 0.4rem 0 0.6rem;
      display: grid;
      gap: 0.4rem;
    }

    .calc-app .recaptcha-note {
      font-size: 0.85rem;
      color: var(--muted);
      margin: 0;
    }

    .calc-app .recaptcha-warning {
      background: rgba(241, 162, 8, 0.12);
      border-left: 4px solid var(--warning);
      padding: 0.75rem 1rem;
      border-radius: 12px;
      color: #8a5a00;
      font-size: 0.9rem;
    }

    .calc-app .recaptcha-error {
      font-size: 0.85rem;
      color: var(--danger);
      min-height: 1em;
    }

    .calc-app .answer-guide {
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 1rem 1.2rem;
      background: rgba(11, 114, 133, 0.05);
      display: grid;
      gap: 0.6rem;
    }

    .calc-app .answer-guide__title {
      font-weight: 600;
      color: var(--accent-strong);
    }

    .calc-app .answer-guide__list {
      margin: 0;
      padding-left: 1.1rem;
      display: grid;
      gap: 0.35rem;
      color: var(--muted);
      font-size: 0.95rem;
    }

    .calc-app footer.page-footer {
      font-size: 0.95rem;
      color: var(--muted);
      text-align: center;
      margin-top: 0;
      background: var(--card);
      padding: 1.6rem 1rem 1.2rem;
      border-radius: 18px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }

    .calc-app .legal-hint {
      font-size: 0.9rem;
      color: var(--muted);
    }

    .calc-app .page-footer a {
      color: var(--primary);
      text-decoration: none;
      margin: 0 0.35rem;
      font-size: 0.9rem;
      font-weight: 600;
    }

    .calc-app .page-footer a:hover,
    .calc-app .page-footer a:focus-visible {
      color: var(--primary-dark);
      text-decoration: underline;
    }

    @media (max-width: 720px) {
      .calc-app .start-grid {
        grid-template-columns: 1fr;
      }

      .calc-app .social-proof {
        order: -1;
      }

      .calc-app .options {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      }

      .calc-app .wizard__actions {
        width: 100%;
        justify-content: space-between;
      }

      .calc-app .btn {
        width: 100%;
        justify-content: center;
      }
    }