:root {
  --bg: #0f1115;
  --panel: #171b22;
  --panel2: #1f2530;
  --text: #e9edf4;
  --muted: #a7b0bf;
  --line: #2c3442;
  --accent: #7fb0ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: linear-gradient(180deg, #0d1016, #11151d 35%, #0f1115);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 32px 20px 56px; }
.hero { margin-bottom: 24px; }
.hero h1 { font-size: 2rem; margin: 0 0 10px; }
.hero p { color: var(--muted); font-size: 1.05rem; line-height: 1.6; max-width: 800px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 22px; }
.card { background: rgba(23,27,34,.96); border: 1px solid var(--line); border-radius: 16px; padding: 20px; box-shadow: 0 10px 28px rgba(0,0,0,.18); }
.card h2,.card h3 { margin-top: 0; }
.card p { color: var(--muted); line-height: 1.55; }
.button-row { display:flex; gap:12px; flex-wrap:wrap; margin-top:16px; }
.button { display:inline-block; padding:10px 14px; border-radius:10px; background: var(--panel2); border:1px solid var(--line); color:var(--text); }
.button.primary { background:#215cc9; border-color:#3d72d3; }
.button.disabled { opacity:0.45; cursor:default; pointer-events:none; font-style:italic; }
.list { margin: 12px 0 0; padding-left: 18px; color: var(--muted); }
.list li { margin: 8px 0; }
.headerlink { display:inline-block; margin-bottom:14px; color:var(--muted); }
.note { margin-top: 18px; padding: 14px 16px; border-left: 4px solid var(--accent); background: rgba(127,176,255,.08); color: var(--text); border-radius: 10px; }
.kicker { color: #8fa8cf; text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; margin-bottom: 8px; }
hr { border: none; border-top: 1px solid var(--line); margin: 26px 0; }
.small { color: var(--muted); font-size: .95rem; }