:root {
  --bg: #f6f7f9;
  --panel: #fff;
  --border: #dfe3e8;
  --text: #1c2229;
  --muted: #667085;
  --accent: #2f6fed;
  --accent-soft: #e6eefc;
  --ok: #15803d;
  --ok-soft: #dcfce7;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --panel: #1c2129;
    --border: #2c3440;
    --text: #e6e9ee;
    --muted: #9aa4b2;
    --accent: #4f83f0;
    --accent-soft: #1e2c4a;
    --ok: #4ade80;
    --ok-soft: #14321f;
    color-scheme: dark;
  }
}
* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    16px / 1.55 system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
}
a {
  color: var(--accent);
}
.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px;
}
header.top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 0;
}
header.top img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}
header.top strong {
  font-size: 17px;
}
header.top nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  font-size: 14px;
}
.hero {
  padding: 40px 0 28px;
}
.hero h1 {
  font-size: clamp(30px, 5vw, 44px);
  line-height: 1.15;
  margin: 12px 0 14px;
  letter-spacing: -0.01em;
}
.hero p.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 24px;
}
.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.btn {
  display: inline-block;
  padding: 11px 18px;
  border-radius: 9px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  min-height: 44px;
}
.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.note {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
}
section {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
section h2 {
  font-size: 24px;
  margin: 0 0 18px;
}
.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
}
.card.match {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.card h3 .pill {
  margin-left: 8px;
  vertical-align: middle;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.card p,
.card li {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}
.card ol {
  padding-left: 18px;
  margin: 10px 0 0;
  display: grid;
  gap: 6px;
}
.card .btn {
  margin-top: auto;
  padding-top: 11px;
  align-self: flex-start;
}
.card ol {
  margin-bottom: 16px;
}
.step {
  flex-direction: row;
  gap: 12px;
}
.step .n {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 700;
}
code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--accent-soft);
  padding: 1px 5px;
  border-radius: 5px;
}
.pill {
  display: inline-block;
  font: 600 12px / 1 var(--mono);
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--ok-soft);
  color: var(--ok);
}
dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 8px 16px;
  margin: 0;
}
dt {
  font-weight: 600;
}
dd {
  margin: 0;
  color: var(--muted);
}
footer {
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--border);
}
footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}
@media (max-width: 560px) {
  dl {
    grid-template-columns: 1fr;
    gap: 2px 0;
  }
  dd {
    margin-bottom: 8px;
  }
  header.top nav {
    display: none;
  }
}
body.plain main {
  padding: 60px 0;
}
.faq h3 {
  font-size: 17px;
  margin: 18px 0 6px;
}
.faq p {
  margin: 0;
  color: var(--muted);
}
.card.author p {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--text);
}
.card.author p:last-child {
  margin: 0;
}
#about dl {
  margin-top: 18px;
}
body.plain ul {
  padding-left: 20px;
  color: var(--muted);
}
body.plain h2 {
  font-size: 22px;
  margin: 28px 0 10px;
}
.note.intro {
  margin: 0 0 16px;
}