:root {
  --bg0: #0d0e11; --bg1: #14161a; --bg2: #1b1e23; --bg3: #23262c;
  --line: #2a2e35; --text: #eef0f3; --text2: #b4bac3; --text3: #7d8590;
  --accent: #44d62c; --accent-dark: #090e08;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg0); color: var(--text);
  font: 16px/1.7 "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

nav { position: sticky; top: 0; z-index: 10; background: rgba(13,14,17,.82); backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line); }
nav .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.brand img { width: 30px; height: 30px; }
.navlinks { display: flex; gap: 22px; margin-left: auto; color: var(--text2); font-size: 15px; }
.navlinks a:hover { color: var(--text); }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 12px; font-weight: 700;
       font-size: 15px; transition: transform .15s, background .15s; }
.btn-primary { background: var(--accent); color: var(--accent-dark); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-ghost { background: var(--bg2); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--bg3); }
.navcta { display: flex; gap: 10px; align-items: center; }

.doc { max-width: 760px; margin: 0 auto; padding: 64px 24px 80px; }
.doc .eyebrow { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.doc h1 { font-size: clamp(32px, 5vw, 44px); line-height: 1.15; margin: 10px 0 8px; letter-spacing: -0.01em; }
.doc .meta { color: var(--text3); font-size: 14px; margin: 0 0 28px; }
.doc .summary { background: var(--bg1); border: 1px solid var(--line); border-radius: 16px; padding: 18px 22px; margin: 0 0 36px; }
.doc .summary p { margin: 0 0 8px; color: var(--text2); }
.doc .summary ul { margin: 0; padding-left: 20px; color: var(--text2); }
.doc .summary strong { color: var(--text); }
.doc h2 { font-size: 21px; margin: 40px 0 10px; scroll-margin-top: 84px; }
.doc h3 { font-size: 17px; margin: 24px 0 6px; color: var(--text); }
.doc p, .doc li { color: var(--text2); }
.doc ul { padding-left: 22px; }
.doc li { margin: 4px 0; }
.doc strong { color: var(--text); }
.doc a { color: var(--accent); }
.doc a:hover { text-decoration: underline; }
.doc .caps { font-size: 14px; letter-spacing: .01em; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0 8px; font-size: 15px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--text2); }
.doc th { color: var(--text); font-weight: 600; background: var(--bg1); }
.doc code { background: var(--bg2); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; font-size: .9em; color: var(--text); }

footer { border-top: 1px solid var(--line); padding: 36px 0; color: var(--text3); font-size: 14px; }
footer .wrap { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
footer .links { margin-left: auto; display: flex; gap: 20px; flex-wrap: wrap; }
footer a:hover { color: var(--text); }

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .navlinks { display: none; }
  .navcta { margin-left: auto; }
  .navcta .btn { padding: 8px 12px; font-size: 14px; }
  .doc { padding: 40px 16px 64px; }
  .doc table, .doc thead, .doc tbody, .doc tr, .doc th, .doc td { display: block; }
  .doc thead { display: none; }
  .doc tr { border-bottom: 1px solid var(--line); padding: 8px 0; }
  .doc td { border: 0; padding: 4px 0; }
  footer .links { margin-left: 0; }
}