:root {
  color-scheme: dark;
  --bg: #070b1a;
  --card: rgba(255,255,255,0.075);
  --line: rgba(255,255,255,0.14);
  --text: #f7f9ff;
  --muted: #aeb8d6;
  --accent: #70e1ff;
  --accent2: #b86cff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: radial-gradient(circle at 20% 10%, rgba(112,225,255,.20), transparent 32%),
              radial-gradient(circle at 80% 0%, rgba(184,108,255,.22), transparent 34%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(980px, calc(100% - 32px)); margin: 0 auto; }
header { padding: 28px 0; border-bottom: 1px solid var(--line); }
nav { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.logo { font-size: 22px; font-weight: 800; letter-spacing: .2px; }
.links { display: flex; gap: 14px; flex-wrap: wrap; }
.hero { padding: 70px 0 44px; }
.badge { display: inline-block; padding: 7px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.04); }
h1 { font-size: clamp(38px, 7vw, 76px); line-height: .98; margin: 18px 0; }
h2 { font-size: 26px; margin-top: 0; }
p { color: var(--muted); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin: 30px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 22px; box-shadow: 0 18px 50px rgba(0,0,0,.25); }
.btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn { padding: 12px 16px; border-radius: 14px; border: 1px solid var(--line); background: linear-gradient(135deg, rgba(112,225,255,.18), rgba(184,108,255,.18)); color: var(--text); font-weight: 700; }
.content { padding: 42px 0 70px; }
ul { color: var(--muted); }
footer { padding: 28px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.small { font-size: 14px; color: var(--muted); }
pre { white-space: pre-wrap; word-break: break-word; background: rgba(0,0,0,.25); border:1px solid var(--line); padding:16px; border-radius:16px; color:#fff; }