:root {
  color-scheme: light;
  --lime: #a9ed45;
  --lime-dark: #568e18;
  --ink: #172117;
  --muted: #647064;
  --line: #dfe6dc;
  --surface: #f5f7f4;
  --white: #fff;
  --radius: 22px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--surface); line-height: 1.62; }
a { color: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid #76b72e; outline-offset: 3px; }
.seo-container { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.seo-skip { position: fixed; z-index: 100; left: 16px; top: -80px; padding: 10px 16px; background: var(--ink); color: #fff; border-radius: 10px; }
.seo-skip:focus { top: 12px; }
.seo-header { position: sticky; z-index: 30; top: 0; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(16px); }
.seo-header-inner { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.seo-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: 0 0 auto; }
.seo-brand img { width: 46px; height: 46px; object-fit: contain; }
.seo-brand > span { font-size: 23px; font-weight: 800; line-height: 1; }
.seo-brand b { color: #68b124; }
.seo-brand small { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; font-weight: 600; letter-spacing: .035em; }
.seo-header nav { display: flex; justify-content: center; align-items: center; gap: 22px; flex: 1 1 auto; }
.seo-header nav a { color: #3d473d; font-size: 14px; font-weight: 650; text-decoration: none; }
.seo-header nav a:hover, .seo-header nav a[aria-current="page"], .seo-footer a:hover { color: var(--lime-dark); }
.seo-header-login { padding: 11px 17px; background: var(--ink); color: #fff; border-radius: 13px; font-size: 14px; font-weight: 750; text-decoration: none; white-space: nowrap; }
.seo-hero { overflow: hidden; padding: 66px 0 72px; background: radial-gradient(circle at 78% 10%, rgba(169,237,69,.3), transparent 36%), linear-gradient(135deg,#fafff3,#f1f6ee); border-bottom: 1px solid var(--line); }
.seo-breadcrumbs { display: flex; gap: 9px; align-items: center; color: #748074; font-size: 13px; margin-bottom: 44px; }
.seo-breadcrumbs a { color: #47751a; }
.seo-breadcrumbs span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.seo-eyebrow { display: inline-flex; align-items: center; gap: 10px; color: #527d21; font-size: 12px; font-weight: 850; letter-spacing: .12em; }
.seo-eyebrow::before { content: ""; width: 30px; height: 3px; background: var(--lime); border-radius: 3px; }
.seo-article-date { margin-top: 16px; color: #647064; font-size: 13px; }
.seo-hero h1 { max-width: 890px; margin: 18px 0; font-size: clamp(40px, 6vw, 76px); line-height: .99; letter-spacing: -.055em; }
.seo-hero > .seo-container > p { max-width: 790px; margin: 0; color: #4d594d; font-size: clamp(18px, 2.2vw, 23px); }
.seo-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.seo-button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 21px; border: 0; border-radius: 14px; font: inherit; font-weight: 800; text-decoration: none; cursor: pointer; }
.seo-button-primary { background: var(--lime); color: #172117; box-shadow: 0 10px 25px rgba(92,142,25,.15); }
.seo-button-primary:hover { background: #9ee33d; }
.seo-button-light { background: #fff; border: 1px solid var(--line); }
.seo-button-dark { background: var(--ink); color: #fff; }
.seo-proof { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 32px; color: #526052; font-size: 13px; }
.seo-proof span::before { content: "✓"; display: inline-grid; place-items: center; width: 20px; height: 20px; margin-right: 7px; background: #e4f7ca; color: #47751a; border-radius: 50%; font-weight: 900; }
.seo-highlights { padding: 38px 0; background: #fff; }
.seo-highlights > .seo-container > h2 { margin: 0 0 22px; font-size: 28px; line-height: 1.15; }
.seo-highlight-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.seo-highlight-card { position: relative; min-height: 200px; padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.seo-highlight-card > span { display: grid; place-items: center; width: 34px; height: 34px; background: var(--lime); border-radius: 50%; font-weight: 900; }
.seo-highlight-grid h3 { margin: 18px 0 7px; font-size: 21px; line-height: 1.2; }
.seo-highlight-grid p { margin: 0; color: var(--muted); font-size: 15px; }
.seo-content-section { padding: 76px 0; background: var(--surface); }
.seo-reading { max-width: 840px; }
.seo-reading > section + section { margin-top: 58px; }
.seo-reading h2 { margin: 0 0 17px; font-size: clamp(27px, 3vw, 39px); line-height: 1.12; letter-spacing: -.025em; }
.seo-reading p { margin: 0 0 17px; color: #465146; font-size: 18px; }
.seo-reading aside { margin-top: 62px; padding: 34px; background: #ecfbd9; border: 1px solid #cfeaa7; border-radius: var(--radius); }
.seo-reading aside h2 { font-size: 27px; }
.seo-reading aside p { font-size: 16px; }
.seo-reading aside a { color: #335e0b; font-weight: 850; }
.seo-structured > p { color: #536053; font-size: 16px; }
.seo-formula-list { display: grid; gap: 11px; }
.seo-formula-list > div { display: grid; gap: 5px; padding: 18px 20px; border: 1px solid #d6e7c1; border-radius: 15px; background: #f3fce8; }
.seo-formula-list strong { color: #345d0e; font-size: 15px; }
.seo-formula-list span { color: #263326; font-size: 16px; }
.seo-structured-note { margin-top: 14px !important; font-size: 14px !important; }
.seo-flow { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.seo-flow li { display: grid; grid-template-columns: 42px minmax(0,1fr); gap: 14px; align-items: start; padding: 17px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.seo-flow li > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--lime); font-weight: 900; }
.seo-flow strong { display: block; margin-bottom: 3px; }
.seo-flow p { margin: 0; font-size: 15px; }
.seo-table-wrap { max-width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.seo-table-wrap table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 14px; line-height: 1.45; }
.seo-table-wrap th, .seo-table-wrap td { padding: 14px 15px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.seo-table-wrap thead th { color: #344034; background: #edf5e8; font-size: 12px; text-transform: uppercase; letter-spacing: .035em; }
.seo-table-wrap tbody th { min-width: 190px; color: #273327; }
.seo-table-wrap tbody tr:last-child > * { border-bottom: 0; }
.seo-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.seo-related { padding: 58px 0 72px; background: #fff; }
.seo-related h2 { margin: 0 0 24px; font-size: 31px; }
.seo-related-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.seo-related-grid a { display: flex; justify-content: space-between; gap: 16px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; text-decoration: none; font-weight: 750; line-height: 1.3; }
.seo-related-grid a:hover { border-color: #aacf79; background: #f8fff0; }
.seo-footer { padding: 55px 0 20px; background: #172117; color: #cbd3cb; }
.seo-footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3,1fr); gap: 35px; }
.seo-footer-grid > div { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.seo-footer-grid b { color: #fff; margin-bottom: 5px; }
.seo-footer a { color: #cbd3cb; text-decoration: none; }
.seo-footer button { padding: 0; border: 0; background: transparent; color: #cbd3cb; font: inherit; cursor: pointer; }
.seo-footer button:hover { color: var(--lime); }
.seo-footer-brand { color: var(--lime) !important; font-size: 24px; font-weight: 850; }
.seo-footer p { max-width: 290px; margin: 0; }
.seo-footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 42px; padding-top: 20px; border-top: 1px solid #344034; font-size: 13px; }
.seo-calculator { padding: 42px 0; background: #fff; }
.seo-calculator-form { padding: clamp(20px,4vw,42px); border: 1px solid var(--line); border-radius: 26px; box-shadow: 0 18px 60px rgba(32,48,27,.07); }
.seo-calculator-title { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.seo-calculator-title > span { display: grid; place-items: center; min-width: 36px; height: 36px; background: var(--lime); border-radius: 50%; font-weight: 900; }
.seo-calculator-title h2 { margin: 0; font-size: 25px; line-height: 1.2; }
.seo-calculator-title p { margin: 3px 0 0; color: var(--muted); }
.seo-form-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
.seo-form-grid label, .seo-product-card label { display: flex; flex-direction: column; gap: 6px; color: #4f5c4f; font-size: 13px; font-weight: 700; }
.seo-form-grid input, .seo-form-grid select, .seo-product-card input { width: 100%; height: 46px; padding: 0 13px; border: 1px solid #ccd6c9; border-radius: 11px; background: #fff; color: var(--ink); font: inherit; }
.seo-form-grid input:focus, .seo-form-grid select:focus, .seo-product-card input:focus { outline: 3px solid rgba(169,237,69,.28); border-color: #76b72e; }
.seo-form-grid small { color: #788478; font-weight: 500; }
.seo-input-action { display: flex; gap: 7px; }
.seo-input-action button { border: 1px solid #c8d3c5; background: #edf3ea; border-radius: 10px; font-weight: 700; cursor: pointer; }
.seo-calculator-products-head { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-top: 48px; }
.seo-calculator-items { display: grid; gap: 14px; margin: 4px 0 48px; }
.seo-product-card { padding: 19px; border: 1px solid var(--line); border-radius: 17px; background: #f8faf7; }
.seo-product-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.seo-product-head h3 { margin: 0; font-size: 18px; }
.seo-product-head button { border: 0; background: transparent; color: #a03737; cursor: pointer; }
.seo-product-fields { display: grid; grid-template-columns: 1.7fr repeat(7,minmax(90px,1fr)); gap: 10px; }
.seo-product-fields > label { min-width: 0; justify-content: space-between; }
.seo-product-fields input { min-width: 0; flex: 0 0 46px; }
.seo-summary { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
.seo-summary > div { padding: 19px; background: #edf5e8; border-radius: 15px; }
.seo-summary span { display: block; color: var(--muted); font-size: 12px; }
.seo-summary strong { display: block; margin-top: 5px; font-size: 21px; line-height: 1.2; }
.seo-calculator-summary-hint { grid-column: 1 / -1; margin: 0; color: var(--muted); }
.seo-calculator-summary-error { color: #a33131; }
.seo-calculator-error { margin-top: 16px; padding: 13px 16px; color: #8e2525; background: #fff0f0; border: 1px solid #f0c8c8; border-radius: 12px; }
.seo-calculator-actions { display: flex; justify-content: space-between; gap: 24px; align-items: center; margin-top: 24px; }
.seo-calculator-actions p { max-width: 700px; margin: 0; color: var(--muted); font-size: 13px; }
.seo-cookie-consent { position: fixed; z-index: 90; right: 20px; bottom: 20px; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 20px; align-items: center; width: min(760px, calc(100% - 40px)); padding: 20px; border: 1px solid #dfe9d8; border-radius: 20px; background: #fff; box-shadow: 0 24px 70px rgba(23,33,23,.2); }
.seo-cookie-consent[hidden] { display: none; }
.seo-cookie-consent strong { font-size: 17px; }
.seo-cookie-consent p { margin: 4px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.seo-cookie-consent p a { color: #47751a; font-weight: 700; }
.seo-cookie-actions { display: flex; gap: 8px; }
.seo-cookie-actions button { min-height: 42px; padding: 0 15px; border: 1px solid var(--line); border-radius: 11px; background: #edf1eb; color: var(--ink); font: inherit; font-size: 12px; font-weight: 800; cursor: pointer; }
.seo-cookie-actions button:last-child { border-color: var(--lime); background: var(--lime); }
@media (max-width: 980px) {
  .seo-header nav { display: none; }
  .seo-header-inner { justify-content: space-between; }
  .seo-highlight-grid, .seo-related-grid { grid-template-columns: 1fr; }
  .seo-form-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .seo-product-fields { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .seo-footer-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 620px) {
  .seo-container { width: min(100% - 24px,1180px); }
  .seo-header-inner { min-height: 68px; gap: 12px; }
  .seo-brand small { display: none; }
  .seo-header-login { display: inline-flex; min-width: 0; min-height: 44px; padding: 9px 11px; align-items: center; justify-content: center; font-size: 12px; white-space: normal; text-align: center; }
  .seo-hero { padding: 38px 0 45px; }
  .seo-breadcrumbs { margin-bottom: 28px; }
  .seo-hero h1 { font-size: 42px; }
  .seo-proof { display: grid; gap: 10px; }
  .seo-content-section { padding: 48px 0; }
  .seo-reading p { font-size: 16px; }
  .seo-form-grid, .seo-product-fields, .seo-summary, .seo-footer-grid { grid-template-columns: 1fr; }
  .seo-calculator-products-head, .seo-calculator-actions { align-items: stretch; flex-direction: column; }
  .seo-footer-bottom { flex-direction: column; }
  .seo-cookie-consent { right: 12px; bottom: 12px; width: calc(100% - 24px); grid-template-columns: 1fr; }
  .seo-cookie-actions { display: grid; grid-template-columns: 1fr 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}
