:root {
  --text: #191919;
  --text-2: #5f5e5b;
  --text-3: #91918e;
  --line: #e9e9e7;
  --hover: rgba(55, 53, 47, .06);
  --bg: #ffffff;
  --gray: #f1f1ef;
  --yellow: #fbf3db;
  --blue: #e7f3f8;
  --green: #edf3ec;
  --purple: #f6f3f9;
  --orange: #fbecdd;
  --t-yellow: #9f6b11;
  --t-blue: #2b6e94;
  --t-green: #3b7254;
  --t-purple: #7c56a0;
  --t-orange: #b3600f;
  --t-gray: #6b6a66;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }

.topbar { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.02em; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 4px; font-size: .92rem; }
.nav-links a:not(.btn) { padding: 6px 10px; border-radius: 6px; text-decoration: none; color: var(--text-2); }
.nav-links a:not(.btn):hover { background: var(--hover); color: var(--text); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 18px; border-radius: 8px; font-weight: 600; font-size: .95rem; text-decoration: none; transition: background .15s ease, transform .15s ease; }
.btn:active { transform: translateY(1px); }
.btn-sm { min-height: 34px; padding: 0 14px; font-size: .88rem; margin-left: 8px; }
.btn-dark { background: var(--text); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-light { background: var(--gray); color: var(--text); }
.btn-light:hover { background: #e6e6e3; }
a:focus-visible, summary:focus-visible { outline: 2px solid #2383e2; outline-offset: 3px; border-radius: 6px; }

.pill { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: .85rem; font-weight: 500; }
.pill-yellow { background: var(--yellow); color: var(--t-yellow); }

.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; padding: 72px 0 40px; }
h1 { margin: 20px 0 0; font-size: clamp(2.8rem, 6.4vw, 4.9rem); line-height: 1.02; letter-spacing: -.045em; font-weight: 700; }
.lead { margin: 22px 0 0; max-width: 520px; color: var(--text-2); font-size: 1.15rem; }
.lead strong { color: var(--text); font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-art { margin: 0; }

.preview { padding: 32px 0 24px; }
.page { border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 1px 2px rgba(15,15,15,.04), 0 12px 32px rgba(15,15,15,.06); overflow: hidden; max-width: 860px; margin: 0 auto; }
.page-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: #fbfbfa; font-size: .8rem; color: var(--text-3); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #e3e2e0; }
.crumb { margin-left: 10px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.page-body { padding: 28px clamp(16px, 5vw, 56px) 36px; }
.page-icon { font-size: 2.6rem; line-height: 1; }
.page-title { margin: 12px 0 4px; font-size: 1.9rem; letter-spacing: -.02em; }
.page-sub { margin: 0 0 20px; color: var(--text-3); font-size: .92rem; }
.caption { text-align: center; color: var(--text-3); font-size: .88rem; margin: 16px 0 0; }

.table { border-top: 1px solid var(--line); font-size: .92rem; }
.tr { display: grid; grid-template-columns: 2.2fr 1fr 1.1fr .6fr; align-items: center; border-bottom: 1px solid var(--line); }
.tr > span { padding: 9px 10px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tr > span + span { border-left: 1px solid var(--line); }
.th { color: var(--text-3); font-size: .82rem; }
.tr:not(.th):hover { background: var(--hover); }
.tag { display: inline-block; padding: 1px 7px; border-radius: 4px; font-style: normal; font-size: .82rem; }
.tag-yellow { background: var(--yellow); color: var(--t-yellow); }
.tag-blue { background: var(--blue); color: var(--t-blue); }
.tag-green { background: var(--green); color: var(--t-green); }
.tag-purple { background: var(--purple); color: var(--t-purple); }
.tag-orange { background: var(--orange); color: var(--t-orange); }
.tag-gray { background: var(--gray); color: var(--t-gray); }
.check { display: inline-block; width: 16px; height: 16px; border: 1.5px solid #9b9a97; border-radius: 3px; vertical-align: middle; position: relative; }
.check.on { background: #2383e2; border-color: #2383e2; }
.check.on::after { content: ""; position: absolute; left: 4px; top: 0; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }

.section { padding: 88px 0 24px; }
.section-head { max-width: 680px; margin-bottom: 36px; }
.kicker { display: inline-block; color: var(--text-3); font-size: .85rem; font-weight: 600; }
h2 { margin: 8px 0 0; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.08; letter-spacing: -.035em; }
.section-head p { margin: 14px 0 0; color: var(--text-2); font-size: 1.08rem; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { border-radius: 14px; padding: 18px 22px 26px; }
.card img { width: 78%; margin: 0 auto 6px; mix-blend-mode: multiply; }
.card h3 { margin: 0 0 6px; font-size: 1.2rem; letter-spacing: -.02em; }
.card p { margin: 0; color: var(--text-2); }
.bg-yellow { background: var(--yellow); }
.bg-blue { background: var(--blue); }
.bg-green { background: var(--green); }
.bg-gray { background: var(--gray); }

.board { max-width: 860px; }
.board .tr { grid-template-columns: 1.6fr .7fr 1.2fr 1.3fr; }
#roadmap .caption { text-align: left; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
blockquote { margin: 24px 0 0; font: italic 400 1.35rem/1.45 Newsreader, Georgia, serif; color: var(--text-2); }
cite { display: block; margin-top: 6px; font: 400 .85rem Inter, sans-serif; color: var(--text-3); }
.split-art { margin-top: 24px; }
.toggles { padding-top: 26px; }
details { border-bottom: 1px solid var(--line); }
summary { list-style: none; cursor: pointer; padding: 14px 4px 14px 28px; position: relative; font-weight: 600; border-radius: 6px; }
summary::-webkit-details-marker { display: none; }
summary::before { content: ""; position: absolute; left: 8px; top: 50%; border: 5px solid transparent; border-left: 7px solid var(--text-2); transform: translateY(-50%); transform-origin: 3px 50%; transition: transform .15s ease; }
details[open] summary::before { transform: translateY(-50%) rotate(90deg); }
summary:hover { background: var(--hover); }
details p { margin: 0; padding: 0 4px 16px 28px; color: var(--text-2); }
.callout { display: flex; gap: 12px; margin-top: 24px; padding: 16px 18px; border-radius: 8px; }
.callout span { font-size: 1.2rem; line-height: 1.5; }
.callout p { margin: 0; color: var(--text-2); }
.callout strong { color: var(--text); }

.props { margin: 0; max-width: 760px; border-top: 1px solid var(--line); }
.props div { display: grid; grid-template-columns: 220px 1fr; gap: 16px; padding: 11px 4px; border-bottom: 1px solid var(--line); }
.props dt { color: var(--text-3); }
.props dd { margin: 0; font-weight: 500; }
.props a { color: var(--text); text-underline-offset: 3px; }

.closing { padding: 88px 0 56px; }
.callout-big { border-radius: 16px; padding: clamp(28px, 5vw, 56px); text-align: center; }
.callout-big p { margin: 12px auto 24px; max-width: 460px; color: var(--text-2); font-size: 1.08rem; }

.footer { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding: 28px 0 48px; border-top: 1px solid var(--line); font-size: .88rem; color: var(--text-3); }
.footer p { margin: 8px 0 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: center; }
.footer-links a { color: var(--text-2); text-decoration: none; }
.footer-links a:hover { color: var(--text); text-decoration: underline; }

@media (max-width: 860px) {
  .hero, .split { grid-template-columns: 1fr; gap: 28px; }
  .hero { padding-top: 48px; }
  .hero-art { max-width: 520px; }
  .cards { grid-template-columns: 1fr; }
  .card img { width: 60%; }
  .section { padding-top: 64px; }
}
@media (max-width: 600px) {
  .nav-links a:not(.btn) { display: none; }
  .tr { grid-template-columns: 2fr 1fr 56px; font-size: .86rem; }
  .board .tr { grid-template-columns: 1.5fr .8fr 1.4fr; }
  .tr > span { padding: 8px 6px; white-space: normal; }
  .tr > span:nth-child(3) { display: none; }
  .tr > span:last-child { text-align: center; }
  .board .tr > span:last-child { text-align: left; }
  .props div { grid-template-columns: 1fr; gap: 2px; }
  .footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}