:root {
  --bg: #0f1218;
  --panel: #171c25;
  --text: #e3e6ec;
  --muted: #9aa3b2;
  --accent: #c8a45a;
  --link: #7fb0ff;
  --border: #262d3a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
header {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; letter-spacing: .5px; color: var(--accent); font-size: 20px; }
nav a { margin-left: 18px; color: var(--muted); }
main { padding: 36px 0 60px; }
h1 { font-size: 32px; line-height: 1.25; margin: 0 0 12px; }
h2 { font-size: 23px; margin: 34px 0 10px; }
h3 { font-size: 19px; margin: 24px 0 8px; color: var(--accent); }
.lead { color: var(--muted); font-size: 19px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin-top: 28px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
}
.card h3 { margin-top: 0; }
.card p { color: var(--muted); margin: 0 0 10px; font-size: 15px; }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
.tip {
  border-left: 3px solid var(--accent);
  background: var(--panel);
  padding: 12px 16px;
  margin: 20px 0;
  border-radius: 0 8px 8px 0;
}
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 15px; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
th { background: var(--panel); }
footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; padding: 22px 0 40px; }