:root {
  --bg: #0a0a0b; --panel: #111113; --border: #222226; --border-strong: #2f2f35;
  --text: #ededef; --dim: #9a9aa3; --faint: #6c6c75; --accent: #7c85e0;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; color: var(--text); background: var(--bg);
  font: 16px/1.65 ui-sans-serif, -apple-system, "SF Pro Text", Inter, "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text); text-underline-offset: 3px; text-decoration-color: var(--border-strong); }
a:hover { text-decoration-color: var(--text); }
.wrap { width: min(720px, 100% - 40px); margin: 0 auto; }
header.top { border-bottom: 1px solid var(--border); }
header.top .wrap { display: flex; align-items: center; gap: 12px; height: 64px; }
header.top img { width: 30px; height: 30px; border-radius: 8px; }
header.top b { font-weight: 600; letter-spacing: -0.01em; flex: 1; }
header.top nav a { color: var(--dim); text-decoration: none; font-size: 14px; margin-left: 20px; }
header.top nav a:hover { color: var(--text); }
main { padding: 56px 0 72px; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.1; letter-spacing: -0.035em; margin: 0 0 16px; font-weight: 600; text-wrap: balance; }
h2 { font-size: 19px; letter-spacing: -0.015em; margin: 44px 0 10px; font-weight: 600; }
p, li { color: var(--dim); }
p { margin: 0 0 14px; }
ul { padding-left: 20px; margin: 0 0 14px; }
li { margin: 6px 0; }
strong { color: var(--text); font-weight: 500; }
.lead { font-size: 18px; max-width: 56ch; }
.meta { font-size: 14px; color: var(--faint); }
.cta { display: inline-block; margin-top: 12px; padding: 10px 18px; border-radius: 10px; background: var(--text); color: var(--bg); font-weight: 500; text-decoration: none; }
.cta:hover { background: #fff; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin-top: 40px; }
.card { border: 1px solid var(--border); border-radius: 14px; background: var(--panel); padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.card p { margin: 0; font-size: 14px; line-height: 1.55; }
.box { border: 1px solid var(--border); border-radius: 14px; background: var(--panel); padding: 18px 20px; margin: 22px 0; }
.box p:last-child { margin-bottom: 0; }
footer { border-top: 1px solid var(--border); padding: 22px 0 40px; font-size: 14px; color: var(--faint); }
footer a { color: var(--dim); margin-right: 18px; text-decoration: none; }
footer a:hover { color: var(--text); }