:root{--iso-green:#6fb15c;--iso-green-dark:#5aa14c;--iso-amber:#f59e0b;--iso-red:#ef4444;--iso-blue:#60a5fa;--iso-text:#0f172a;--iso-muted:#6b7280;--iso-border:#e5e7eb;--iso-border-soft:#eef2f7;--iso-bg:#fff;--iso-card:#fff;--iso-card-muted:#fafafa;--iso-radius:14px;--iso-shadow:0 6px 18px rgba(15,23,42,.06);--iso-focus:0 0 0 4px rgba(147,197,253,.35)}.iso42k-app{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--iso-text);line-height:1.45}.iso42k-step{display:none}.iso42k-step.is-active{display:block}.iso42k-hero{max-width:960px;margin:0 auto;padding:48px 20px 32px}.iso42k-title{text-align:center;font-size:52px;font-weight:900;letter-spacing:.4px;margin:0 0 10px}.iso42k-subtitle{text-align:center;font-size:16px;color:#334155;margin:0 0 28px}.iso42k-expect{max-width:780px;margin:0 auto 22px;background:#eef6ff;border:1px solid #dbeafe;border-left:5px solid var(--iso-blue);border-radius:var(--iso-radius);padding:18px 20px}.iso42k-expect-title{margin:0 0 10px;font-size:18px;font-weight:800}.iso42k-expect-list{margin:0;padding-left:18px;color:#111827}.iso42k-expect-list li{margin:8px 0}.iso42k-form{max-width:780px;margin:0 auto}.iso42k-label{display:block;margin:18px 0 8px;font-weight:800;color:var(--iso-text)}.iso42k-required{color:var(--iso-red)}.iso42k-input{width:100%;padding:14px 14px;font-size:16px;border:1px solid var(--iso-border);border-radius:12px;outline:none;background:#fff}.iso42k-input:focus{border-color:#93c5fd;box-shadow:var(--iso-focus)}.iso42k-help{margin-top:6px;font-size:13px;color:var(--iso-muted)}.iso42k-muted{color:var(--iso-muted);font-size:14px}.iso42k-center-note{text-align:center;margin-top:10px;font-size:13px;color:var(--iso-muted)}.iso42k-btn-primary,.iso42k-btn-secondary{border:none;border-radius:14px;padding:14px 16px;font-size:16px;font-weight:900;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease}.iso42k-btn-primary{width:100%;background:var(--iso-green);color:#fff;margin-top:18px;box-shadow:0 8px 18px rgba(15,23,42,.1)}.iso42k-btn-primary:hover{background:var(--iso-green-dark)}.iso42k-btn-primary:hover{box-shadow:0 10px 22px rgba(15,23,42,.14)}.iso42k-btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,23,42,.12)}.iso42k-btn-primary:disabled{background:#d1d5db;cursor:not-allowed}.iso42k-btn-secondary{background:#fff;color:#111827;border:1px solid var(--iso-border);box-shadow:0 6px 14px rgba(15,23,42,.06)}.iso42k-btn-secondary:hover{background:#fbfbfc;border-color:#cbd5e1;box-shadow:0 10px 20px rgba(15,23,42,.1)}.iso42k-btn-secondary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,23,42,.08)}.iso42k-btn-link{display:inline-block;text-decoration:none;text-align:center}.iso42k-error{margin-top:12px;padding:12px;border-radius:12px;background:#fef2f2;border:1px solid #fecaca;color:#991b1b;font-size:14px}.iso42k-error:empty{display:none}.iso42k-progress-wrap{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--iso-border-soft);padding:12px 14px}.iso42k-progress-top{max-width:960px;margin:0 auto 6px;display:flex;justify-content:space-between;align-items:center;font-weight:900;color:#111827}.iso42k-progress-note{max-width:960px;margin:6px auto 0;font-size:12px;color:var(--iso-muted)}.iso42k-progress-bar{max-width:960px;margin:0 auto;height:10px;background:#e5e7eb;border-radius:999px;overflow:hidden}.iso42k-progress-fill{height:10px;width:0%;background:linear-gradient(90deg,#111827 0%,#2563eb 100%);transition:width .35s ease}.iso42k-card{max-width:960px;margin:18px auto 40px;background:var(--iso-card);border:1px solid var(--iso-border-soft);border-radius:16px;padding:22px;box-shadow:var(--iso-shadow);animation:isoFadeIn .22s ease}@keyframes isoFadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.iso42k-theme{font-size:12px;font-weight:900;color:#334155;text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}.iso42k-question{font-size:18px;font-weight:900;color:var(--iso-text);margin:0 0 16px 0;line-height:1.35}.iso42k-options{display:grid;gap:12px}.iso42k-option{width:100%;display:flex;gap:14px;padding:14px;border-radius:14px;border:1px solid var(--iso-border);background:#fff;cursor:pointer;text-align:left}.iso42k-option:hover{background:#fbfbfc;border-color:#cbd5e1}.iso42k-option.is-selected{border-color:#93c5fd;box-shadow:var(--iso-focus)}.iso42k-option-key{width:36px;height:36px;border-radius:12px;background:#0f172a;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;flex:0 0 auto}.iso42k-option[data-answer="A"] .iso42k-option-key{background:var(--iso-green)}.iso42k-option[data-answer="B"] .iso42k-option-key{background:var(--iso-amber)}.iso42k-option[data-answer="C"] .iso42k-option-key{background:var(--iso-red)}.iso42k-option.is-selected[data-answer="A"] .iso42k-option-key{background:var(--iso-green-dark)}.iso42k-option.is-selected[data-answer="B"] .iso42k-option-key{background:#d97706}.iso42k-option.is-selected[data-answer="C"] .iso42k-option-key{background:#b91c1c}.iso42k-option-text{font-size:15px;color:#111827;line-height:1.35}.iso42k-option-hint{font-size:12px;color:var(--iso-muted);margin-top:3px}.iso42k-option.is-selected[data-answer="A"]{border-color:var(--iso-green);box-shadow:0 0 0 4px rgba(111,177,92,.22)}.iso42k-option.is-selected[data-answer="B"]{border-color:var(--iso-amber);box-shadow:0 0 0 4px rgba(245,158,11,.18)}.iso42k-option.is-selected[data-answer="C"]{border-color:var(--iso-red);box-shadow:0 0 0 4px rgba(239,68,68,.18)}.iso42k-nav{display:flex;gap:12px;margin-top:18px}.iso42k-nav .iso42k-btn-secondary,.iso42k-nav .iso42k-btn-primary{width:100%;margin-top:0}.iso42k-btn-primary,.iso42k-btn-secondary{transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease;box-shadow:0 8px 18px rgba(15,23,42,.08)}.iso42k-btn-secondary{border:1px solid var(--iso-border);box-shadow:0 6px 14px rgba(15,23,42,.06)}.iso42k-btn-secondary:hover{background:#f4f6fa;border-color:#cbd5e1;transform:translateY(-1px)}.iso42k-btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,23,42,.12)}.iso42k-btn-primary:active,.iso42k-btn-secondary:active{transform:translateY(0)}.iso42k-nav-note{margin-top:10px;font-size:12px;color:var(--iso-muted)}.iso42k-hint{margin-top:10px;font-size:13px;color:var(--iso-muted)}.iso42k-section-title{margin:0 0 10px 0;font-size:20px;font-weight:900}.iso42k-preview{display:grid;grid-template-columns:1fr 1fr;gap:14px}.iso42k-preview-score{background:var(--iso-card-muted);border:1px solid var(--iso-border-soft);border-radius:16px;padding:16px}.iso42k-preview-label{font-size:12px;color:var(--iso-muted);margin-bottom:6px;font-weight:800}.iso42k-preview-value{font-size:24px;font-weight:900;color:var(--iso-text)}@media (max-width:768px){.iso42k-title{font-size:34px}.iso42k-preview{grid-template-columns:1fr}}.iso42k-badge{display:inline-block;margin:0 auto 14px;padding:6px 14px;font-size:12px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:#1e40af;background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px}.iso42k-hero .iso42k-badge{display:block;width:fit-content;margin-left:auto;margin-right:auto}.iso42k-trust-row{display:flex;flex-wrap:wrap;gap:10px 16px;justify-content:center;margin:16px 0 4px}.iso42k-trust-item{font-size:13px;color:var(--iso-muted);font-weight:600}.iso42k-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' 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#bfdbfe}.iso42k-maturity-badge[data-level="optimised"],.iso42k-maturity-badge[data-level="Optimised"]{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}.iso42k-maturity-explain{margin-top:12px;padding:14px 16px;background:var(--iso-card-muted);border-radius:12px;border-left:4px solid var(--iso-blue);font-size:14px;color:#334155;line-height:1.5}.iso42k-preview-enhanced .iso42k-preview-score{display:flex;flex-direction:column;justify-content:center}.iso42k-preview-percent{font-size:36px !important;background:linear-gradient(135deg,#111827,#2563eb);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.iso42k-scale-legend{display:flex;flex-wrap:wrap;gap:8px 14px;margin-bottom:14px;padding:10px 12px;background:var(--iso-card-muted);border-radius:10px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.4px}.iso42k-scale-a{color:var(--iso-green-dark)}.iso42k-scale-b{color:#b45309}.iso42k-scale-c{color:#b91c1c}.iso42k-hint 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isoSpin{to{transform:rotate(360deg)}}.iso42k-pdf-section{margin-top:20px}.iso42k-pdf-card{padding:24px;background:linear-gradient(135deg,#1e40af,#3b82f6);border-radius:14px;text-align:center;color:#fff}.iso42k-pdf-card h3{margin:0 0 8px;font-size:18px;color:#fff}.iso42k-pdf-card p{margin:0 0 18px;font-size:14px;color:#e0e7ff}.iso42k-btn-pdf{display:inline-block;background:#fff !important;color:#1e40af !important;width:auto !important;padding:14px 28px !important;margin-top:0 !important;text-decoration:none}.iso42k-cta-block{margin-top:24px;padding-top:22px;border-top:1px solid var(--iso-border-soft);text-align:center}.iso42k-cta-text{margin:0 0 14px;color:var(--iso-muted);font-size:15px}.iso42k-btn-cta{width:auto !important;display:inline-block !important;padding:14px 32px !important;margin-top:0 !important}.iso42k-restart-wrap{margin-top:20px;text-align:center}.iso42k-restart-wrap .iso42k-btn-secondary{width:auto;padding:12px 24px}.iso42k-step.is-active{animation:isoStepIn .28s ease}@keyframes isoStepIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.iso42k-error[hidden]{display:none !important}@media (max-width:768px){.iso42k-hero{padding:32px 16px 24px}.iso42k-card{margin:12px 12px 32px;padding:18px}.iso42k-progress-wrap{padding:10px 12px}.iso42k-scale-legend{flex-direction:column;gap:6px}.iso42k-score-hero{grid-template-columns:1fr;text-align:center;justify-items:center}.iso42k-nav{flex-direction:column-reverse}.iso42k-trust-row{flex-direction:column;align-items:center;gap:6px}}@media (prefers-reduced-motion:reduce){.iso42k-step.is-active,.iso42k-card,.iso42k-progress-fill,.iso42k-score-ring-fill{animation:none;transition:none}}.iso42k-input.is-invalid,.iso42k-select.is-invalid{border-color:var(--iso-red);box-shadow:0 0 0 4px rgba(239,68,68,.15)}.iso42k-option{position:relative;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,background .12s ease}.iso42k-option:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(15,23,42,.07)}.iso42k-option .iso42k-option-text{padding-right:30px}.iso42k-option.is-selected::after{content:"✓";position:absolute;top:50%;right:16px;transform:translateY(-50%);width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:13px;font-weight:900;color:#fff;background:var(--iso-green)}.iso42k-option.is-selected[data-answer="A"]::after{background:var(--iso-green-dark)}.iso42k-option.is-selected[data-answer="B"]::after{background:#d97706}.iso42k-option.is-selected[data-answer="C"]::after{background:#b91c1c}.iso42k-option.is-selected .iso42k-option-key{transform:scale(1.06);transition:transform .12s ease}.iso42k-progress-fill{position:relative;overflow:hidden}.iso42k-progress-fill::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transform:translateX(-100%);animation:isoShimmer 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