:root {
  --bg: #ffffff;
  --bg-alt: #f6f7f9;
  --text: #16181d;
  --text-2: #454b57;
  --text-3: #6b7280;
  --rule: #e4e6eb;
  --accent: #2547c9;
  --accent-hover: #1c39a6;
  --code-bg: #f6f8fa;
  --max: 1140px;
  --font: 'IBM Plex Sans', -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 17px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0 0 12px; font-weight: 600; line-height: 1.2; color: var(--text); }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); letter-spacing: -0.01em; }
h3 { font-size: 1.12rem; }
p { margin: 0 0 16px; color: var(--text-2); }
ul { color: var(--text-2); padding-left: 20px; }
li { margin: 6px 0; }
code { font: 0.86em var(--mono); background: var(--code-bg); border: 1px solid var(--rule); border-radius: 4px; padding: 1px 5px; color: var(--text); }
pre { margin: 0; background: var(--code-bg); border: 1px solid var(--rule); border-radius: 6px; padding: 18px 20px; overflow-x: auto; font: 14px/1.6 var(--mono); color: #24292f; }
pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.kw { color: #cf222e; } .ty { color: #8250df; } .st { color: #0a3069; } .cm { color: #6e7781; } .nu { color: #0550ae; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.small { font-size: 0.9rem; color: var(--text-3); }

/* Header */
.site-header { border-bottom: 1px solid var(--rule); background: #fff; position: sticky; top: 0; z-index: 20; }
.header-in { display: flex; align-items: center; height: 60px; gap: 36px; }
.wordmark { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 1.08rem; }
.wordmark:hover { text-decoration: none; }
.wordmark svg { width: 22px; height: 22px; }
.nav { display: flex; gap: 24px; flex: 1; }
.nav a { color: var(--text-2); font-size: 0.95rem; }
.nav a:hover, .nav a.current { color: var(--text); text-decoration: none; }
.nav a.current { font-weight: 500; }
.header-actions { display: flex; gap: 16px; align-items: center; }
.header-actions .gh { color: var(--text-2); font-size: 0.95rem; }
.menu-btn { display: none; background: none; border: 1px solid var(--rule); border-radius: 6px; padding: 6px 10px; font: inherit; color: var(--text); cursor: pointer; }

/* Buttons */
.button { display: inline-block; padding: 10px 20px; border-radius: 6px; font-weight: 500; font-size: 0.97rem; border: 1px solid transparent; line-height: 1.4; }
.button:hover { text-decoration: none; }
.button.primary { background: var(--accent); color: #fff; }
.button.primary:hover { background: var(--accent-hover); }
.button.secondary { background: #fff; color: var(--text); border-color: #cfd3da; }
.button.secondary:hover { border-color: #aeb4be; }
.buttons { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 12px; }

/* Hero */
.hero { padding: 72px 0 0; }
.hero-text { max-width: 860px; }
.hero-text p { max-width: 700px; }
.hero-text p { font-size: 1.15rem; }
.hero-image { margin-top: 48px; }
.hero-image img, .figure img { border-radius: 6px; border: 1px solid var(--rule); }
figure { margin: 0; }
figcaption { margin-top: 10px; font-size: 0.88rem; color: var(--text-3); }

/* Sections */
.section { padding: 80px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.section-intro { max-width: 680px; margin-bottom: 40px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 48px; }
.cols-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px 56px; }
.item { border-top: 2px solid var(--text); padding-top: 18px; }
.item p { font-size: 0.97rem; margin: 0; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.row + .row { margin-top: 80px; }
.row.flip > :first-child { order: 2; }
.row > *, .cols-2 > *, .cols-3 > * { min-width: 0; }

/* Facts table */
.facts { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.facts th, .facts td { text-align: left; padding: 11px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.facts th { width: 38%; font-weight: 500; color: var(--text); padding-right: 16px; }
.facts td { color: var(--text-2); }

/* Data table */
.table-wrap { overflow-x: auto; }
.data { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.data th, .data td { text-align: left; padding: 12px 16px 12px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.data th { font-size: 0.82rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-3); border-bottom: 2px solid var(--text); }
.data td:first-child { font-weight: 500; color: var(--text); white-space: nowrap; }
.yes { color: #1a7f37; font-weight: 500; }
.no { color: #b42318; font-weight: 500; }
.planned { color: var(--text-3); font-weight: 500; }

/* News */
.news { list-style: none; padding: 0; margin: 0; }
.news li { display: grid; grid-template-columns: 160px 1fr; gap: 24px; padding: 22px 0; border-top: 1px solid var(--rule); margin: 0; }
.news li:last-child { border-bottom: 1px solid var(--rule); }
.news time { color: var(--text-3); font-size: 0.92rem; padding-top: 2px; }
.news h3 { margin-bottom: 6px; }
.news p { margin: 0; font-size: 0.97rem; }

/* Page header */
.page-header { padding: 56px 0 40px; border-bottom: 1px solid var(--rule); }
.page-header p { font-size: 1.1rem; max-width: 700px; margin: 0; }
.prose { max-width: 760px; }
.prose h2 { margin-top: 56px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 32px; }
.prose pre { margin: 16px 0 24px; }

/* Gallery */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.gallery .wide { grid-column: 1 / -1; }

/* Roadmap */
.milestones { list-style: none; padding: 0; margin: 0; }
.milestones > li { display: grid; grid-template-columns: 200px 1fr; gap: 32px; padding: 28px 0; border-top: 1px solid var(--rule); margin: 0; }
.milestones > li:last-child { border-bottom: 1px solid var(--rule); }
.milestones h3 { margin-bottom: 8px; }
.milestones ul { margin: 0; }
.state { font-size: 0.9rem; font-weight: 500; }

/* FAQ */
.faq h3 { margin: 40px 0 10px; font-size: 1.15rem; }
.faq h3:first-child { margin-top: 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--rule); padding: 48px 0 32px; font-size: 0.93rem; }
.footer-cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-cols h4 { margin: 0 0 12px; font-size: 0.85rem; font-weight: 600; color: var(--text); }
.footer-cols a { display: block; color: var(--text-2); margin: 6px 0; }
.footer-cols a.wordmark { display: flex; margin: 0 0 12px; color: var(--text); }
.footer-cols p { font-size: 0.93rem; }
.legal { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--rule); }
.legal p { font-size: 0.82rem; color: var(--text-3); margin: 0 0 6px; }

@media (max-width: 900px) {
  .cols-3 { grid-template-columns: 1fr 1fr; }
  .row, .cols-2 { grid-template-columns: 1fr; gap: 32px; }
  .row.flip > :first-child { order: 0; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .milestones > li, .news li { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--rule); padding: 8px 16px 12px; }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; border-bottom: 1px solid var(--rule); }
  .nav a:last-child { border-bottom: 0; }
  .menu-btn { display: block; }
  .header-in { justify-content: space-between; }
  .header-actions .gh { display: none; }
  .cols-3, .gallery { grid-template-columns: 1fr; }
  .gallery .wide { grid-column: auto; }
  .section { padding: 56px 0; }
  .hero { padding-top: 48px; }
  .footer-cols { grid-template-columns: 1fr; }
}