:root {
  color-scheme: light dark;
  --bg: #0c0f14;
  --bg-soft: #11151c;
  --fg: #e6edf3;
  --fg-soft: #9aa6b2;
  --accent: #ff9f43;
  --accent-soft: #ffb56b;
  --green: #5fc88f;
  --rule: #1c232d;
  --code-bg: #161b22;
  --max: 880px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafaf6;
    --bg-soft: #ffffff;
    --fg: #1a1a1a;
    --fg-soft: #555;
    --accent: #c05621;
    --accent-soft: #dd7a3d;
    --green: #2f855a;
    --rule: #e5e5dd;
    --code-bg: #f1ede4;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}
a:hover { color: var(--accent-soft); border-bottom-style: solid; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14.5px;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.45;
}
code { background: var(--code-bg); padding: 1px 5px; border-radius: 3px; }
pre code { background: transparent; padding: 0; }

header.site {
  border-bottom: 1px solid var(--rule);
  padding: 22px 24px;
}
header.site .inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
header.site .brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 18px;
  color: var(--fg);
  border-bottom: none;
}
header.site .brand .mark {
  color: var(--accent);
  margin-right: 6px;
}
header.site nav a {
  margin-left: 18px;
  color: var(--fg-soft);
  border-bottom: none;
  font-size: 14.5px;
}
header.site nav a:hover { color: var(--accent); }
header.site nav a.current { color: var(--fg); }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.hero {
  padding: 32px 0 8px;
  border-bottom: 1px dashed var(--rule);
  margin-bottom: 36px;
}
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12.5px;
  color: var(--accent);
  margin-bottom: 14px;
}
.hero h1 {
  font-size: 38px;
  line-height: 1.15;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.hero p.lede {
  font-size: 19px;
  color: var(--fg-soft);
  margin: 0 0 24px;
  max-width: 60ch;
}

h2 {
  font-size: 24px;
  margin: 40px 0 12px;
  letter-spacing: -0.005em;
}
h3 { font-size: 18px; margin: 28px 0 6px; }
p { margin: 0 0 14px; }
ul { margin: 6px 0 18px; padding-left: 22px; }
li { margin: 4px 0; }

.kicker-list li::marker {
  color: var(--accent);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 12px 0 32px;
}
.card {
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 16px 18px;
}
.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}
.card p {
  font-size: 14.5px;
  color: var(--fg-soft);
  margin: 0;
}

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin: 24px 0 36px;
}
.stat {
  flex: 1 1 140px;
}
.stat .num {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
}
.stat .label {
  display: block;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-soft);
  margin-top: 2px;
}

.cap-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 28px;
  font-size: 14.5px;
}
.cap-table th, .cap-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--rule);
}
.cap-table th {
  font-weight: 600;
  color: var(--fg-soft);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.cap-table tbody td:first-child { font-family: ui-monospace, monospace; }
.cap-table .tag {
  display: inline-block;
  font-size: 12px;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  color: var(--fg-soft);
}
.cap-table .tag.optional { color: var(--green); border-color: var(--green); }
.cap-table .tag.planned  { color: var(--accent); border-color: var(--accent); }
.cap-table .tag.required { color: var(--fg); border-color: var(--fg); }

footer.site {
  border-top: 1px solid var(--rule);
  padding: 22px 24px;
  color: var(--fg-soft);
  font-size: 13.5px;
}
footer.site .inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
footer.site a { color: var(--fg-soft); border-bottom-color: var(--fg-soft); }

.callout {
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
  border-radius: 0 6px 6px 0;
  margin: 18px 0;
}
.callout .label {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 4px;
}

.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 18px 0 28px;
}
.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 44px;
  margin: 18px 0;
}
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.gherkin {
  background: var(--code-bg);
  border-left: 3px solid var(--green);
  padding: 14px 18px;
  border-radius: 0 6px 6px 0;
  font-family: ui-monospace, monospace;
  font-size: 14px;
  white-space: pre-wrap;
  margin: 16px 0;
}
.gherkin .kw { color: var(--accent); font-weight: 700; }
.gherkin .tag { color: var(--green); }