:root {
  --color-bg: #F0F1F2;
  --color-surface: #FFFFFF;
  --color-surface-offset: #F5F6F6;
  --color-text: #0B0B0C;
  --color-text-muted: #51555B;
  --color-text-inverse: #FFFFFF;
  --color-primary: #C8FF00;
  --color-primary-hover: #B3E500;
  --color-border: rgb(11 11 12 / 18%);
  --color-error: #B3261E;
  --color-brand-grey: #8C9096;
  --font-display: 'Archivo Black', 'Arial Black', sans-serif;
  --font-body: 'Archivo', Arial, sans-serif;
  --text-xs: clamp(.75rem, .73rem + .1vw, .8125rem);
  --text-sm: clamp(.875rem, .85rem + .1vw, .9375rem);
  --text-base: clamp(1rem, .98rem + .1vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + .25vw, 1.25rem);
  --text-xl: clamp(1.5rem, 1.35rem + .6vw, 1.875rem);
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;
  --radius-sm: 4px;
  --radius-md: 8px;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; -webkit-font-smoothing: antialiased; scroll-padding-top: var(--space-6); }
body { margin: 0; min-height: 100dvh; color: var(--color-text); background: var(--color-bg); font: var(--text-base)/1.55 var(--font-body); }
[hidden] { display: none !important; }
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
input, textarea { min-width: 0; }
h1, h2, h3 { margin: 0; line-height: 1.25; text-wrap: balance; }
p { text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--color-text); outline-offset: 4px; }
::selection { background: var(--color-primary); color: var(--color-text); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: var(--space-4); top: -100px; padding: var(--space-3); background: var(--color-primary); color: var(--color-text); z-index: 2; }
.skip-link:focus { top: var(--space-3); }
.site-header { background: var(--color-text); border-bottom: 4px solid var(--color-primary); padding: var(--space-8) 0; }
.header-inner { max-width: 1000px; margin: 0 auto; padding: 0 var(--space-6); display: flex; gap: var(--space-10); align-items: center; }
.logo-link { flex: 0 0 300px; min-width: 0; }
.logo { width: 300px; max-width: 100%; height: auto; object-fit: contain; }
.header-text { min-width: 0; padding-left: var(--space-8); border-left: 1px solid var(--color-brand-grey); }
.header-text h1 { font: var(--text-xl)/1.2 var(--font-display); color: var(--color-text-inverse); }
.header-text p { color: #CDD0D4; font-size: var(--text-sm); margin: var(--space-3) 0 0; max-width: 40ch; }
main { max-width: 1000px; margin: 0 auto; padding: var(--space-8) var(--space-6) var(--space-16); display: flex; flex-direction: column; gap: var(--space-6); }
.progress-panel { display: flex; gap: var(--space-5); align-items: center; padding: var(--space-4) var(--space-6); background: var(--color-text); color: var(--color-text-inverse); border-radius: var(--radius-sm); }
.progress-label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .08em; font-weight: 600; white-space: nowrap; }
.progress-track { flex: 1; height: 6px; background: #43464B; overflow: hidden; }
.progress-bar { width: 0; height: 100%; background: var(--color-primary); }
.progress-pct { color: var(--color-primary); font-size: var(--text-sm); width: 3ch; text-align: right; font-variant-numeric: tabular-nums; }
#feedback-form { display: flex; flex-direction: column; gap: var(--space-6); }
.panel { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: var(--space-8); }
.panel-title { font-family: var(--font-body); font-size: var(--text-lg); font-weight: 700; }
.panel-sub { margin: var(--space-2) 0 0; color: var(--color-text-muted); font-size: var(--text-sm); }
.panel-title-row { margin-bottom: var(--space-6); }
.form-guidance { color: var(--color-text-muted); font-size: var(--text-xs); margin: var(--space-3) 0 0; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.field { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
.field-wide { grid-column: 1 / -1; }
.field-label { color: var(--color-text-muted); font-size: var(--text-xs); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.optional-tag { text-transform: none; font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 400; letter-spacing: 0; }
input[type="text"], input[type="date"], input[type="number"], textarea, select { width: 100%; min-height: 48px; padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text); background: var(--color-surface-offset); font: var(--text-base)/1.4 var(--font-body); }
input::placeholder, textarea::placeholder { color: #646970; opacity: 1; }
textarea { resize: vertical; }
input:focus, textarea:focus { background: var(--color-surface); outline: 2px solid #637E00; outline-offset: 1px; border-color: #637E00; }
input.field-invalid, textarea.field-invalid { border-color: var(--color-error); }
.compare-table-wrap { overflow-x: auto; }
table.compare-table { width: 100%; border-collapse: separate; border-spacing: 0 var(--space-2); font-size: var(--text-sm); }
.compare-table th, .compare-table td { padding: var(--space-3); text-align: center; }
.compare-table th:first-child, .compare-table td:first-child { text-align: left; }
.compare-table th { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.compare-table tbody tr { background: var(--color-surface-offset); }
.row-label { font-weight: 600; }
.radio-chip { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid #8C9096; border-radius: 50%; background: var(--color-surface); position: relative; cursor: pointer; }
.radio-chip input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.radio-chip .dot { width: 14px; height: 14px; border-radius: 50%; background: transparent; }
.radio-chip:hover { border-color: var(--color-text); }
.radio-chip:focus-within, .choice-pill:focus-within { outline: 2px solid var(--color-text); outline-offset: 3px; }
.radio-chip.checked { background: var(--color-primary); border-color: var(--color-text); }
.radio-chip.checked .dot { background: var(--color-text); }
.radio-chip.checked.worse { background: #FCEAE8; border-color: var(--color-error); }
.radio-chip.checked.worse .dot { background: var(--color-error); }
.choice-group { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.choice-pill { position: relative; display: inline-flex; align-items: center; padding: var(--space-3) var(--space-5); min-height: 48px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface-offset); font-size: var(--text-sm); font-weight: 600; cursor: pointer; }
.choice-pill input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; margin: 0; cursor: pointer; }
.choice-pill.checked { background: var(--color-primary); border-color: var(--color-text); }
.longevity-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); }
.longevity-col-title { font-size: var(--text-base); font-weight: 700; margin-bottom: var(--space-4); }
.date-fields { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.date-field-days { grid-column: 1 / -1; }
.btn { padding: var(--space-4) var(--space-6); min-height: 48px; border: 1px solid transparent; border-radius: var(--radius-sm); font-size: var(--text-sm); font-weight: 700; }
.btn-primary { background: var(--color-primary); color: var(--color-text); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn:disabled { cursor: wait; opacity: .7; }
.btn-export { display: inline-flex; align-items: center; gap: var(--space-3); white-space: nowrap; }
.report-action { padding: var(--space-6) 0; display: flex; align-items: center; gap: var(--space-8); justify-content: space-between; }
.report-action p { max-width: 49ch; color: var(--color-text-muted); font-size: var(--text-sm); margin: 0; }
.form-error-banner { background: #FCEAE8; color: #8D1D16; border: 1px solid var(--color-error); padding: var(--space-4); border-radius: var(--radius-sm); font-size: var(--text-sm); }
.confirmation-panel { background: var(--color-surface); border: 1px solid var(--color-border); padding: var(--space-12) var(--space-8); border-radius: var(--radius-sm); }
.check-badge { color: var(--color-text); background: var(--color-primary); width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-6); }
.confirmation-panel h2 { font-size: var(--text-lg); }
.confirmation-panel p { max-width: 65ch; font-size: var(--text-base); color: var(--color-text-muted); margin: var(--space-4) 0 var(--space-6); }
.page-footer { border-top: 1px solid var(--color-border); padding-top: var(--space-6); }
.page-footer p { font-size: var(--text-xs); color: var(--color-text-muted); margin: 0; }
@media (max-width: 760px) {
  .header-inner { gap: var(--space-6); }
  .logo-link { flex-basis: 240px; }
  .header-text { padding-left: var(--space-6); }
  .longevity-grid { grid-template-columns: 1fr; }
  .report-action { align-items: flex-start; flex-direction: column; gap: var(--space-4); }
}
@media (max-width: 560px) {
  .site-header { padding: var(--space-6) 0; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: var(--space-5); padding-inline: var(--space-5); }
  .logo-link { flex: initial; width: 280px; max-width: 100%; }
  .header-text { border-left: 0; padding-left: 0; }
  .header-text p { max-width: 40ch; }
  main { padding: var(--space-5) var(--space-4) var(--space-12); gap: var(--space-5); }
  #feedback-form { gap: var(--space-5); }
  .progress-panel { padding: var(--space-4); gap: var(--space-3); }
  .panel { padding: var(--space-5); }
  .field-grid { grid-template-columns: 1fr; }
  .compare-table th, .compare-table td { padding: var(--space-2) var(--space-1); font-size: var(--text-xs); }
  .compare-table td:first-child { max-width: 95px; }
  .compare-table th:first-child { width: 38%; }
  .radio-chip { width: 44px; height: 44px; }
  .btn-export { width: 100%; justify-content: center; }
  .confirmation-panel { padding: var(--space-8) var(--space-5); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}