:root {
  --ink: #10241a;
  --muted: #526158;
  --green-950: #08271b;
  --green-800: #104a31;
  --green-700: #176b43;
  --green-500: #62c98d;
  --green-100: #dcefe4;
  --paper: #f4f0e7;
  --paper-2: #ebe5d9;
  --white: #fffdf8;
  --orange: #ec741b;
  --line: #c7c4b9;
  --display: "Arial Narrow", "Aptos Display", "Helvetica Neue", Arial, sans-serif;
  --body: "Aptos", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); line-height: 1.68; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { display: block; max-width: 100%; }
::selection { background: var(--orange); color: var(--white); }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.site-header { background: var(--green-950); color: var(--white); }
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--white); text-decoration: none; font-size: 21px; font-weight: 900; letter-spacing: -.03em; }
.brand img { width: 42px; height: 42px; border-radius: 10px; border: 1px solid rgba(255,255,255,.14); }
.nav-links { display: flex; align-items: center; gap: 25px; font-size: 13px; font-weight: 800; }
.nav-links a { color: rgba(255,253,248,.72); text-decoration: none; }
.nav-links a:hover { color: var(--white); }
.nav-links .cta { padding: 10px 15px; border: 1px solid var(--green-500); border-radius: 4px; color: var(--green-500); }
.breadcrumb { padding-top: 34px; color: rgba(255,253,248,.55); font-family: var(--mono); font-size: 11px; letter-spacing: .05em; }
.breadcrumb a { color: var(--green-500); text-decoration: none; }
.hero { padding: 40px 0 92px; background: var(--green-950); color: var(--white); }
.hero-grid { display: grid; grid-template-columns: 1fr .72fr; gap: 80px; align-items: end; }
.kicker { color: var(--orange); font-family: var(--mono); font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
h1, h2 { font-family: var(--display); font-weight: 900; letter-spacing: -.055em; }
h1 { max-width: 780px; margin: 20px 0 0; font-size: clamp(55px, 7.2vw, 92px); line-height: .92; }
.hero-lead { max-width: 650px; margin: 30px 0 0; color: rgba(255,253,248,.74); font-size: 19px; }
.hero-note { padding: 25px; border-left: 3px solid var(--orange); background: rgba(255,255,255,.06); color: rgba(255,253,248,.75); font-size: 15px; }
.hero-note strong { display: block; margin-bottom: 9px; color: var(--green-500); font-size: 21px; }
.main-layout { display: grid; grid-template-columns: 250px 1fr; gap: 75px; padding: 84px 0 110px; }
.toc { position: sticky; top: 28px; align-self: start; padding: 23px 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.toc strong { display: block; margin-bottom: 17px; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; }
.toc a { display: block; padding: 7px 0; color: var(--muted); font-size: 13px; font-weight: 700; text-decoration: none; }
.toc a:hover { color: var(--green-700); }
.article { max-width: 760px; }
.article section { scroll-margin-top: 32px; padding: 0 0 62px; }
.article h2 { margin: 0 0 23px; font-size: clamp(37px, 4.7vw, 57px); line-height: .98; }
.article h3 { margin: 30px 0 10px; font-size: 23px; letter-spacing: -.025em; }
.article p { margin: 0 0 18px; color: #33483d; font-size: 17px; }
.article ul { margin: 22px 0; padding-left: 23px; }
.article li { margin: 9px 0; color: #33483d; }
.summary { margin-bottom: 58px; padding: 28px 30px; border: 1px solid var(--line); background: var(--white); font-size: 18px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 30px; }
.feature { min-height: 170px; padding: 23px; border: 1px solid var(--line); background: var(--white); }
.feature small { color: var(--orange); font-family: var(--mono); font-size: 10px; font-weight: 900; }
.feature h3 { margin: 17px 0 8px; font-size: 20px; }
.feature p { margin: 0; font-size: 14px; }
.callout { margin: 34px 0; padding: 30px; background: var(--green-100); border-left: 4px solid var(--green-700); }
.callout strong { display: block; margin-bottom: 7px; font-size: 20px; }
.compare { width: 100%; margin: 28px 0; border-collapse: collapse; background: var(--white); }
.compare th, .compare td { padding: 15px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare th { background: var(--green-100); font-size: 13px; }
.compare td { font-size: 14px; }
.faq { border-top: 1px solid var(--line); }
.faq-item { padding: 24px 0; border-bottom: 1px solid var(--line); }
.faq-item h3 { margin: 0 0 9px; font-size: 20px; }
.faq-item p { margin: 0; font-size: 15px; }
.related { padding: 78px 0; background: var(--paper-2); }
.related h2 { margin: 0; font-size: 44px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 35px; }
.related-card { min-height: 190px; padding: 25px; border: 1px solid var(--line); background: var(--white); text-decoration: none; }
.related-card small { color: var(--orange); font-family: var(--mono); font-size: 10px; font-weight: 900; }
.related-card strong { display: block; margin-top: 26px; font-size: 21px; line-height: 1.1; }
.related-card span { display: block; margin-top: 15px; color: var(--green-700); font-size: 13px; font-weight: 900; }
.demo-band { padding: 72px 0; background: var(--orange); color: var(--green-950); }
.demo-row { display: flex; justify-content: space-between; align-items: center; gap: 45px; }
.demo-band h2 { max-width: 720px; margin: 0; font-size: clamp(42px, 6vw, 68px); line-height: .94; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 23px; border: 2px solid var(--green-950); background: var(--green-950); color: var(--white); font-size: 14px; font-weight: 900; text-decoration: none; white-space: nowrap; }
footer { padding: 42px 0; background: #061b13; color: rgba(255,253,248,.65); }
.footer-row { display: flex; justify-content: space-between; gap: 35px; font-size: 12px; }
.footer-row a { color: var(--green-500); }
@media (max-width: 860px) {
  .nav-links a:not(.cta) { display: none; }
  .hero-grid, .main-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-note { max-width: 620px; }
  .main-layout { padding-top: 58px; }
  .toc { position: static; }
  .feature-grid, .related-grid { grid-template-columns: 1fr; }
  .demo-row { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 30px, 1120px); }
  .hero { padding-bottom: 70px; }
  h1 { font-size: 53px; }
  .article h2 { font-size: 39px; }
  .feature-grid { grid-template-columns: 1fr; }
  .compare { display: block; overflow-x: auto; }
  .footer-row { flex-direction: column; }
}