:root {
  --bg: #ffffff;
  --bg-soft: #f5f7fb;
  --text: #10131c;
  --muted: #5b6478;
  --line: #e3e8f0;
  --accent: #2563eb;
  --accent-soft: #eaf0ff;
  --grad: linear-gradient(135deg, #22a8f5 0%, #1b3fe0 100%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --bg-soft: #161a24;
    --text: #eef1f7;
    --muted: #9aa4b8;
    --line: #262c3a;
    --accent: #6ea2ff;
    --accent-soft: #18213a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 22px; }

header.site {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  z-index: 5;
}

header.site .wrap { display: flex; align-items: center; gap: 12px; }
header.site img { width: 30px; height: 30px; border-radius: 8px; }
header.site strong { font-size: 16px; letter-spacing: -0.2px; }
header.site nav { margin-left: auto; display: flex; gap: 20px; font-size: 14px; }
header.site nav a { color: var(--muted); }

.hero { text-align: center; padding: 66px 0 54px; }
.hero img { width: 108px; height: 108px; border-radius: 25px; box-shadow: 0 18px 44px rgba(27, 63, 224, 0.28); }
.hero h1 { font-size: 42px; line-height: 1.1; letter-spacing: -1.2px; margin: 26px 0 12px; }
.hero p { color: var(--muted); font-size: 18px; max-width: 520px; margin: 0 auto; }

.badge {
  display: inline-block;
  margin-top: 26px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.grid { display: grid; gap: 16px; grid-template-columns: repeat(2, 1fr); margin: 12px 0 46px; }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }

.card { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 15px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 12px 12px 0;
  padding: 16px 20px;
  margin: 30px 0;
}
.note p { margin: 0; font-size: 15px; }

.legal { padding: 44px 0 20px; }
.legal h1 { font-size: 32px; letter-spacing: -0.8px; margin: 0 0 6px; }
.legal .updated { color: var(--muted); font-size: 14px; margin: 0 0 34px; }
.legal h2 { font-size: 19px; margin: 38px 0 10px; letter-spacing: -0.3px; }
.legal p, .legal li { color: var(--text); font-size: 15.5px; }
.legal ul { padding-left: 20px; }
.legal li { margin-bottom: 7px; }

footer.site {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding: 30px 0 46px;
  color: var(--muted);
  font-size: 14px;
}
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
footer.site nav { margin-left: auto; display: flex; gap: 18px; }