:root {
  color-scheme: light;
  --background: #ffffff;
  --text: #111111;
  --muted: #666666;
  --tertiary: #8a8a8a;
  --border: #e6e6e6;
  --pressed: #f3f3f3;
  --focus: #111111;
  --max-width: 760px;
}

* { box-sizing: border-box; }
html { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

.site-header { border-bottom: 1px solid var(--border); }
.header-inner, main, .footer-inner {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}
.header-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
}
.brand-mark { width: 28px; height: 28px; display: block; }
nav { display: flex; align-items: center; gap: 20px; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"] { color: var(--text); }

main { padding-block: 64px 80px; }
.intro { padding-block: 12px 56px; }
h1, h2 { letter-spacing: -0.025em; }
h1 { margin: 0; font-size: clamp(36px, 8vw, 56px); line-height: 1.05; font-weight: 600; }
.kicker { margin: 14px 0 0; font-size: 18px; color: var(--muted); }
.lede { max-width: 620px; margin: 24px 0 0; font-size: 17px; }
.meta { margin: 18px 0 0; color: var(--tertiary); font-size: 14px; }
.section { padding-block: 32px; border-top: 1px solid var(--border); }
.section h2 { margin: 0 0 14px; font-size: 22px; line-height: 1.25; font-weight: 600; }
.section p { margin: 0 0 14px; }
.section p:last-child { margin-bottom: 0; }
.action-row { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--text);
  border-radius: 8px;
  background: var(--text);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}
.button:hover { opacity: 0.88; }
.status-text { color: var(--muted); font-size: 14px; }
.notice { padding: 14px 0; color: var(--muted); border-block: 1px solid var(--border); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }
ul { padding-left: 1.25rem; }
li + li { margin-top: 8px; }
.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.footer-inner { padding-block: 26px; display: flex; flex-wrap: wrap; gap: 10px 18px; justify-content: space-between; }
.footer-inner p { margin: 0; }

@media (max-width: 560px) {
  .header-inner, main, .footer-inner { width: min(calc(100% - 28px), var(--max-width)); }
  .header-inner { min-height: 60px; }
  .brand-mark { width: 25px; height: 25px; }
  nav { gap: 14px; font-size: 13px; }
  main { padding-block: 42px 60px; }
  .intro { padding-block: 8px 42px; }
}
