:root {
  --background: #f5f5f2;
  --surface: #fff;
  --surface-dark: #171717;
  --text: #171717;
  --muted: #686860;
  --border: #deded8;
  --accent: #6b50b6;
  --accent-soft: #eee8ff;
  --success: #247252;
  --radius: 24px;
  --shadow: 0 22px 70px rgba(0, 0, 0, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.topbar, .hero, .section, .page, footer { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.topbar {
  min-height: 82px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}
.back-link, .topbar nav a, footer a { color: var(--muted); text-decoration: none; }
.back-link:hover, .topbar nav a:hover, footer a:hover { color: var(--text); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.025em; text-decoration: none; }
.lens-mark { width: 34px; height: 34px; border: 3px solid var(--text); border-radius: 50%; display: inline-block; position: relative; flex: 0 0 auto; }
.lens-mark::after { content: ""; width: 12px; height: 3px; border-radius: 2px; background: var(--text); position: absolute; right: -9px; bottom: 0; transform: rotate(45deg); transform-origin: left center; }
.topbar nav { display: flex; justify-content: flex-end; gap: 20px; }
.hero { min-height: 650px; padding: 70px 0 96px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); align-items: center; gap: clamp(40px, 6vw, 80px); }
.hero-copy, .page-copy { max-width: 760px; }
.eyebrow { margin: 0 0 14px; color: var(--muted); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(3.2rem, 7vw, 6rem); line-height: .96; letter-spacing: -.06em; }
h2 { margin-bottom: 18px; font-size: clamp(2.15rem, 5vw, 3.8rem); line-height: 1; letter-spacing: -.05em; }
h3 { margin-bottom: 10px; font-size: 1.2rem; letter-spacing: -.025em; }
.lede { margin-bottom: 30px; color: var(--muted); font-size: clamp(1.12rem, 2vw, 1.35rem); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 50px; padding: 0 21px; border: 1px solid var(--text); border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; font-weight: 750; text-decoration: none; }
.button.primary { color: #fff; background: var(--text); }
.button.secondary { background: transparent; }
.availability { margin-top: 18px; }
.installation-note { max-width: 650px; margin: 12px 0 0; color: var(--muted); font-size: .9rem; }
.release-note { margin-top: 18px; color: var(--muted); font-size: .9rem; }
.checksum { overflow-wrap: anywhere; word-break: break-all; }
.view-card { padding: 24px; border: 1px solid var(--border); border-radius: 32px; background: var(--surface); box-shadow: var(--shadow); }
.window-bar { padding: 2px 2px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: .78rem; }
.window-dot { width: 10px; height: 10px; border-radius: 50%; background: #d2d2cc; }
.window-title { margin-left: 7px; }
.view-body { min-height: 285px; padding: 42px 24px; display: grid; place-items: center; text-align: center; background: linear-gradient(145deg, #fafafa, #eeeaf8); }
.view-body strong { display: block; margin-bottom: 8px; font-size: 1.45rem; }
.view-body p { max-width: 370px; margin: 0; color: var(--muted); }
.status-row { padding-top: 18px; display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: .82rem; }
.status { display: inline-flex; align-items: center; gap: 7px; color: var(--success); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.section { padding: 100px 0; border-top: 1px solid var(--border); }
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading > p:last-child, .feature-grid p, .doc-card p, .note, .content-card p, .content-card li { color: var(--muted); }
.feature-grid, .doc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-grid article, .doc-card, .content-card { padding: 30px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.feature-grid article { min-height: 190px; }
.doc-card { min-height: 230px; display: flex; flex-direction: column; }
.doc-card a { margin-top: auto; font-weight: 750; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.distinction { padding: 72px; border: 0; border-radius: 32px; color: #fff; background: var(--surface-dark); }
.distinction .eyebrow, .distinction p { color: #bdbdb8; }
.comparison-grid { margin-top: 34px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.comparison-grid div { padding: 24px; border: 1px solid #393934; border-radius: 18px; }
.comparison-grid strong { display: block; margin-bottom: 8px; color: #fff; }
.page { min-height: 70vh; padding: 80px 0 110px; border-top: 1px solid var(--border); }
.page h1 { font-size: clamp(3.2rem, 8vw, 6.1rem); }
.breadcrumbs { margin-bottom: 32px; color: var(--muted); font-size: .9rem; }
.breadcrumbs a { text-underline-offset: 3px; }
.content-card { width: 100%; max-width: 860px; margin-top: 16px; }
.content-card h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
.content-card ul, .content-card ol { margin: 0; padding-left: 1.3rem; }
.content-card li + li { margin-top: 9px; }
.metadata { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
code { padding: .15em .4em; border-radius: 6px; background: #e8e8e4; font-size: .9em; }
.callout { border-left: 4px solid var(--accent); background: var(--accent-soft); }
.callout p { color: #44356c; }
.state-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.state-list div { padding: 18px; border: 1px solid var(--border); border-radius: 14px; }
.state-list strong { display: block; }
footer { min-height: 112px; padding: 30px 0; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 24px; }
.footer-brand { display: flex; align-items: center; gap: 10px; }
footer > p { margin: 0 auto; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
@media (max-width: 860px) {
  .topbar { grid-template-columns: 1fr auto; }
  .topbar .brand { grid-column: 2; }
  .topbar nav { grid-column: 1 / -1; justify-content: center; padding-bottom: 18px; flex-wrap: wrap; }
  .hero { grid-template-columns: 1fr; }
  .feature-grid, .doc-grid, .comparison-grid { grid-template-columns: 1fr; }
  .distinction { padding: 48px 30px; }
  footer { align-items: flex-start; flex-direction: column; }
  footer > p { margin: 0; }
}
@media (max-width: 560px) {
  .topbar, .hero, .section, .page, footer { width: min(100% - 28px, 1120px); }
  .topbar { grid-template-columns: 1fr; padding: 18px 0; }
  .topbar .brand { grid-column: 1; grid-row: 1; }
  .back-link { grid-row: 2; }
  .topbar nav { grid-row: 3; justify-content: flex-start; gap: 16px; }
  .hero { padding-top: 45px; }
  h1, .page h1 { font-size: clamp(2.75rem, 14vw, 3.5rem); overflow-wrap: anywhere; }
  .view-card { padding: 16px; }
  .status-row { align-items: flex-start; flex-direction: column; }
  .content-card { padding: 26px 21px; }
  .state-list { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }