:root {
  --accent: #6B4EFF;
  --accent-soft: rgba(107, 78, 255, 0.12);
  --bg: #F6F3EE;
  --card: #FFFFFF;
  --ink: #111111;
  --muted: #6E6A64;
  --line: rgba(17, 17, 17, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #8F79FF;
    --accent-soft: rgba(143, 121, 255, 0.16);
    --bg: #121113;
    --card: #1D1B20;
    --ink: #F3F1F6;
    --muted: #A39FA8;
    --line: rgba(255, 255, 255, 0.08);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header { padding: 28px 0 8px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 44px; height: 44px; border-radius: 11px; }
.brand span { font-weight: 700; font-size: 1.15rem; }
nav { display: flex; gap: 18px; margin-top: 14px; font-size: 0.95rem; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--muted); font-weight: 600; }
nav a.active, nav a:hover { color: var(--accent); }
.hero { padding: 36px 0 12px; }
.hero h1 { font-size: clamp(2rem, 6vw, 2.8rem); line-height: 1.1; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--muted); font-size: 1.1rem; margin: 0; }
.card {
  background: var(--card);
  border-radius: 20px;
  padding: 22px;
  margin: 18px 0;
  border: 1px solid var(--line);
}
.contact { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.contact .icon {
  width: 48px; height: 48px; border-radius: 14px; background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; font-size: 1.4rem; flex: none;
}
.contact h2 { margin: 0 0 2px; font-size: 1.15rem; }
.contact p { margin: 0; color: var(--muted); }
.button {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600;
  padding: 11px 20px; border-radius: 999px; margin-left: auto;
}
h2.section { font-size: 1.5rem; margin: 40px 0 6px; letter-spacing: -0.01em; }
.section-sub { color: var(--muted); margin: 0 0 8px; }
details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  margin: 10px 0;
  padding: 0 20px;
}
summary {
  cursor: pointer; list-style: none; padding: 16px 0; font-weight: 600;
  display: flex; justify-content: space-between; gap: 12px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details > div { padding: 0 0 16px; color: var(--muted); }
details > div p { margin: 0 0 10px; }
details > div ol, details > div ul { margin: 0 0 10px; padding-left: 20px; }
.policy h2 { font-size: 1.2rem; margin: 28px 0 6px; }
.policy p, .policy li { color: var(--muted); }
.policy strong { color: var(--ink); }
footer { padding: 40px 0 50px; color: var(--muted); font-size: 0.9rem; }
footer a { color: var(--muted); }