:root {
  color-scheme: light;
  --ink: #13231f;
  --muted: #5f706a;
  --paper: #f4f7f3;
  --card: #ffffff;
  --line: #d9e2dc;
  --green: #0d6b4f;
  --green-dark: #084c39;
  --mint: #dff3e9;
  --amber: #815500;
  --amber-bg: #fff3cf;
  --shadow: 0 18px 55px rgba(23, 55, 44, 0.09);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.55; }
a { color: var(--green-dark); }
button, input, select { font: inherit; }

.site-header, footer {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 850; }
.mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--green); color: white; font-size: 13px; letter-spacing: .04em; }
.back-link, .attribution-card a, footer a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 14px; font-weight: 750; }
.attribution-card a, footer a { margin-left: -14px; }

main { max-width: 920px; margin: 0 auto; padding: 30px 28px 80px; }
.hero { padding: 42px 0 32px; }
.eyebrow { margin: 0 0 8px; color: var(--green); font-size: .78rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
h1 { margin: 0; max-width: 680px; font-size: clamp(2.5rem, 7vw, 5.1rem); line-height: .95; letter-spacing: -.055em; }
h2 { margin: 0; font-size: 1.08rem; }
.lede { max-width: 700px; margin: 22px 0; color: var(--muted); font-size: 1.1rem; }
.boundary { display: grid; gap: 3px; padding: 16px 18px; border-left: 4px solid #d69c22; border-radius: 0 12px 12px 0; background: var(--amber-bg); color: #5d430e; }
.source-status { margin: 16px 0 0; color: var(--muted); font-size: .9rem; }

.estimator-card, .result-card, .attribution-card { border: 1px solid var(--line); border-radius: 22px; background: var(--card); box-shadow: var(--shadow); }
.estimator-card { overflow: hidden; }
.form-section { padding: 26px; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; gap: 13px; align-items: flex-start; margin-bottom: 20px; }
.section-heading p { margin: 2px 0 0; color: var(--muted); font-size: .92rem; }
.step { display: grid; flex: 0 0 30px; place-items: center; width: 30px; height: 30px; border-radius: 9px; background: var(--mint); color: var(--green-dark); font-weight: 900; }

.field-grid { display: grid; gap: 16px; }
.field-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
label { display: grid; gap: 7px; margin-top: 14px; color: #2c3c36; font-size: .86rem; font-weight: 760; }
input, select { width: 100%; min-height: 48px; border: 1px solid #bfcac3; border-radius: 11px; background: #fff; color: var(--ink); padding: 10px 12px; }
input:focus, select:focus, button:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid rgba(13, 107, 79, .25); outline-offset: 2px; }
.check-row { min-height: 44px; grid-template-columns: 22px 1fr; align-items: center; }
.check-row input { min-height: 20px; width: 20px; margin: 0; }
.field-status, .form-status { min-height: 22px; margin: 7px 0 0; color: var(--muted); font-size: .84rem; }

.search-results { display: grid; gap: 8px; margin-top: 10px; }
.search-result { min-height: 54px; border: 1px solid var(--line); border-radius: 12px; background: #fbfdfb; color: var(--ink); padding: 10px 12px; text-align: left; cursor: pointer; }
.search-result:hover { border-color: var(--green); background: var(--mint); }
.search-result strong, .search-result span { display: block; }
.search-result span { margin-top: 2px; color: var(--muted); font-size: .8rem; }
.selected-product { margin-top: 12px; padding: 13px 15px; border: 1px solid #8bc6ad; border-radius: 12px; background: var(--mint); }
.selected-product strong, .selected-product span { display: block; }
.selected-product span { color: #3f5c51; font-size: .82rem; overflow-wrap: anywhere; }

.price-panel, .report-panel { margin: 22px 26px; border: 1px solid var(--line); border-radius: 14px; padding: 0 16px 16px; }
.report-panel { margin-top: -8px; }
.price-panel summary, .report-panel summary { min-height: 48px; display: flex; align-items: center; cursor: pointer; font-weight: 820; }
.price-panel p, .report-panel p { color: var(--muted); font-size: .88rem; }
.primary-button { min-height: 52px; width: calc(100% - 52px); margin: 0 26px 8px; border: 0; border-radius: 13px; background: var(--green); color: #fff; font-weight: 850; cursor: pointer; }
.primary-button:hover { background: var(--green-dark); }
.primary-button:disabled { cursor: not-allowed; opacity: .55; }
.form-status { margin: 0 26px 24px; }

.result-card { margin-top: 24px; padding: 28px; }
.report-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.report-heading h2 { font-size: 1.45rem; }
.report-mark { display: grid; flex: 0 0 46px; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--green); color: #fff; font-size: .78rem; font-weight: 900; letter-spacing: .05em; }
.report-identity { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 18px 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: #f8faf8; color: var(--muted); font-size: .84rem; }
.report-identity span:not(:empty)::before { content: "•"; margin-right: 7px; color: var(--green); }
.result-number { display: flex; align-items: baseline; gap: 9px; }
.result-number strong { font-size: clamp(3.5rem, 10vw, 6.5rem); line-height: 1; letter-spacing: -.06em; }
.result-number span { color: var(--green); font-weight: 900; }
.result-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 24px 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--line); }
.result-facts div { padding: 14px; background: #fff; }
.result-facts dt { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }
.result-facts dd { margin: 4px 0 0; font-weight: 780; overflow-wrap: anywhere; }
.warnings { padding-left: 20px; color: #594721; }
.source-trace summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 780; }
.source-trace pre { max-height: 360px; overflow: auto; border-radius: 10px; background: #102019; color: #d7f4e6; padding: 14px; font-size: .75rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.result-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 20px; }
.secondary-button { min-height: 48px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--green); border-radius: 12px; background: #fff; color: var(--green-dark); padding: 10px 14px; font-weight: 820; text-align: center; text-decoration: none; cursor: pointer; }
.secondary-button:hover { background: var(--mint); }
.report-attribution { margin: 18px 0 0; color: var(--muted); font-size: .78rem; }
.attribution-card { margin-top: 24px; padding: 24px 28px; box-shadow: none; }
.attribution-card p { color: var(--muted); }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .86rem; }

[hidden] { display: none !important; }

@media (max-width: 720px) {
  .site-header, footer { padding: 16px; }
  main { padding: 10px 16px 56px; }
  .hero { padding: 24px 0; }
  .lede { font-size: 1rem; }
  .field-grid.two, .field-grid.three, .result-facts { grid-template-columns: 1fr; }
  .form-section { padding: 20px 16px; }
  .price-panel, .report-panel { margin: 18px 16px; }
  .report-panel { margin-top: -6px; }
  .primary-button { width: calc(100% - 32px); margin: 0 16px 8px; }
  .form-status { margin: 0 16px 20px; }
  .result-card { padding: 22px 18px; }
  .result-actions { grid-template-columns: 1fr; }
  footer { align-items: flex-start; }
}

@media print {
  @page { size: A4; margin: 14mm; }
  body { background: #fff; color: #111; font-size: 10pt; }
  .site-header, .hero, .estimator-card, .attribution-card, footer, .result-actions { display: none !important; }
  main { max-width: none; margin: 0; padding: 0; }
  .result-card { display: block !important; margin: 0; padding: 0; border: 0; border-radius: 0; box-shadow: none; }
  .result-number strong { font-size: 48pt; }
  .result-facts { break-inside: avoid; }
  .source-trace { break-inside: auto; }
  .source-trace pre { max-height: none; overflow: visible; border: 1px solid #ccd6d0; background: #f5f7f5; color: #111; font-size: 7.5pt; }
  .report-attribution { border-top: 1px solid #ccd6d0; padding-top: 10px; }
}