:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --ink: #1d1f1e;
  --muted: #5d625f;
  --line: #e2e0d8;
  --accent: #1f6f5c;
  --accent-ink: #ffffff;
  --warn-bg: #fff6e0;
  --warn-line: #ecd9a4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141615;
    --surface: #1d201f;
    --ink: #ecebe6;
    --muted: #a3a8a4;
    --line: #2f3331;
    --accent: #5cc3a6;
    --accent-ink: #0d1f1a;
    --warn-bg: #2b2616;
    --warn-line: #4a4122;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

header.top {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.brand img { width: 28px; height: 28px; }
.badge { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 99px; border: 1px solid var(--line); color: var(--muted); }
nav a { margin-left: 16px; font-size: 15px; color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--ink); }

.hero { padding: 64px 0 40px; }
.hero h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.12; margin: 0 0 16px; letter-spacing: -0.02em; }
.hero p.lead { font-size: 20px; color: var(--muted); margin: 0 0 28px; }
.button {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  padding: 12px 22px; border-radius: 8px; font-weight: 600; text-decoration: none;
}
.button + .small { display: block; margin-top: 10px; }
.small { font-size: 14px; color: var(--muted); }

section { padding: 36px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 26px; margin: 0 0 14px; letter-spacing: -0.01em; }
section h3 { font-size: 18px; margin: 24px 0 6px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 18px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.tile b { display: block; margin-bottom: 4px; }
.tile span { color: var(--muted); font-size: 15px; }

ol.steps { padding-left: 22px; }
ol.steps li { margin-bottom: 10px; }
code, kbd {
  font: 14px ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px;
}
.note { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: 10px; padding: 14px 16px; font-size: 15px; }

footer { padding: 32px 0 48px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
footer p { margin: 6px 0; }

.legal h2 { font-size: 21px; margin-top: 28px; }
.legal { padding-bottom: 40px; }
.legal h1 { font-size: 34px; margin: 40px 0 6px; }