@font-face { font-family: Inter; src: url("../../assets/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
    :root {
      --sans: Inter, ui-sans-serif, system-ui, sans-serif;
      --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
      --ink: #1e2b23; --mute: #536257; --accent: #275f43; --paper: #f8f9f5;
    }
    * { box-sizing: border-box; }
    html { color-scheme: light; }
    body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.55 var(--sans); }
    .wrap { width: min(1150px, calc(100% - 56px)); margin: 0 auto; }
    header { border-bottom: 1px solid #d9ded4; }
    .topbar { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .author { font-weight: 650; letter-spacing: -.035em; }
    nav { display: flex; flex-wrap: wrap; gap: 20px; }
    a { color: var(--accent); text-underline-offset: 4px; font-size: 14px; }
    a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
    main { padding: clamp(32px, 6vw, 72px) 0 52px; }
    .intro { margin-bottom: clamp(25px, 4vw, 38px); }
    h1 { max-width: 850px; margin: 0 0 10px; font-size: clamp(36px, 6vw, 74px); line-height: 1.04; font-weight: 560; letter-spacing: -.065em; }
    .intro p { max-width: 65ch; margin: 0; font-size: clamp(16px, 1.8vw, 20px); color: var(--mute); }
    .layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .94fr); align-items: start; gap: clamp(20px, 4vw, 44px); }
    .chart-block { min-width: 0; }
    .chart-block h2 { margin: 2px 0 7px; font-size: clamp(23px, 2.2vw, 32px); line-height: 1.18; letter-spacing: -.045em; font-weight: 550; }
    .chart-block p { color: var(--mute); font-size: 14px; margin: 0 0 13px; }
    .chart-block figure { margin: 0; }
    .chart-block img { display: block; width: 100%; height: auto; border: 1px solid #cbd8c2; border-radius: 8px; }
    .chart-block figcaption { color: var(--mute); font-size: 13px; margin-top: 8px; }
    .price-demo {
  background: #eaf0e1;
  border: 1px solid #cbd8c2;
  border-radius: 9px;
  color: #213829;
  padding: clamp(20px, 3vw, 35px);
}
.price-demo h2 {
  font-size: clamp(25px, 2.2vw, 35px);
  font-weight: 560;
  letter-spacing: -.05em;
  line-height: 1.16;
  margin: 0 0 8px;
}
.price-demo .demo-intro { margin: 0 0 22px; color: #435b48; font-size: 14px; }
.price-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
  margin: 0 0 22px;
}
.price-fields[hidden] { display: none; }
.price-fields label { display: grid; gap: 4px; font-size: 13px; font-weight: 570; }
.price-fields input, .price-fields select {
  width: 100%;
  min-width: 0;
  height: 42px;
  border: 1px solid #9fad98;
  border-radius: 4px;
  background: #fbfcf8;
  color: #253d2d;
  padding: 7px 10px;
  font: 400 15px var(--sans);
}
.price-fields :is(select,input):focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.price-result { border-top: 1px solid #bbccb3; padding-top: 17px; }
.price-result .result-label { font: 550 11px var(--mono); letter-spacing: .075em; text-transform: uppercase; }
.price-result output {
  display: block;
  font-size: clamp(25px, 3.65vw, 47px);
  font-weight: 560;
  letter-spacing: -.06em;
  line-height: 1.18;
  margin: 5px 0 2px;
}
.price-result p, .price-demo noscript { font-size: 13px; color: #435b48; margin: 0; }
@media (max-width: 420px) {
  .price-fields { gap: 10px; }
  .price-fields label:nth-child(-n+2) { grid-column: 1 / -1; }
}
    @media (max-width: 780px) { .layout { grid-template-columns: 1fr; } .wrap { width: min(650px, calc(100% - 32px)); } }
    @media (max-width: 400px) { .topbar { min-height: 58px; } nav { gap: 11px; } }

.topbar .author {font-size:16px;color:inherit;text-decoration:none;}
.price-fields {grid-template-columns:repeat(2,minmax(0,1fr));}
.price-fields label {min-width:0;}