:root {
  --bg: #323437;
  --card: #2c2e31;
  --text: #d1d0c5;
  --sub: #8a8c8f;
  --main: #e2b714;
  --line: rgba(209, 208, 197, 0.08);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #e1e1e3;
    --card: #ededef;
    --text: #323437;
    --sub: #6f7378;
    --main: #b08900;
    --line: rgba(50, 52, 55, 0.1);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--main); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}
.brand img { width: 30px; height: 30px; border-radius: 7px; }

nav a { margin-left: 18px; font-size: 15px; color: var(--sub); }
nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 56px 0 30px; text-align: center; }
.hero img.icon {
  width: 112px; height: 112px; border-radius: 25px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}
.hero h1 {
  font-family: var(--mono);
  font-size: clamp(40px, 8vw, 60px);
  margin: 26px 0 6px;
  letter-spacing: -1px;
}
.hero h1 .caret {
  display: inline-block; width: 0.08em; height: 0.9em; margin-left: 4px;
  background: var(--main); vertical-align: -0.08em;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero p.lede { font-size: 20px; color: var(--sub); margin: 0 auto; max-width: 520px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 22px 24px;
  margin: 18px 0;
}

.demo {
  max-width: 340px; margin: 36px auto 0; text-align: left;
  font-size: 17px; box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.demo .row { display: flex; align-items: center; gap: 12px; padding: 3px 0; }
.box {
  width: 18px; height: 18px; border-radius: 5px; border: 2px solid var(--main);
  flex: none; position: relative;
}
.box.done { background: var(--main); }
.box.done::after {
  content: ""; position: absolute; left: 4px; top: 0px; width: 5px; height: 10px;
  border: solid var(--card); border-width: 0 2.5px 2.5px 0; transform: rotate(45deg);
}
.row.done span { color: var(--sub); text-decoration: line-through; }
.demo h3 { font-family: var(--mono); margin: 0 0 8px; font-size: 18px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 40px 0; }
.features .card { margin: 0; }
.features h3 { margin: 0 0 6px; font-size: 17px; }
.features p { margin: 0; color: var(--sub); font-size: 15px; }

.swatches { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 14px 0 0; }
.swatch {
  font-family: var(--mono); font-size: 13px; padding: 7px 12px; border-radius: 999px;
  display: inline-flex; align-items: center; gap: 7px; border: 1px solid rgba(255,255,255,0.08);
}
.swatch i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

h2 { font-family: var(--mono); font-size: 24px; margin: 44px 0 10px; }
h3 { font-size: 18px; }
.doc h2 { font-size: 20px; margin-top: 34px; }
.doc p, .doc li { color: var(--text); }
.muted { color: var(--sub); }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
details summary { cursor: pointer; font-weight: 600; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::before { content: "+ "; color: var(--main); font-family: var(--mono); }
details[open] summary::before { content: "− "; }
details p, details ol, details ul { color: var(--sub); margin: 10px 0 0; }

.button {
  display: inline-block; background: var(--main); color: #1e1f21; font-weight: 600;
  padding: 12px 20px; border-radius: 999px; margin-top: 8px;
}
.button:hover { text-decoration: none; filter: brightness(1.06); }

footer.site {
  margin: 60px 0 30px; padding-top: 20px; border-top: 1px solid var(--line);
  color: var(--sub); font-size: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
footer.site a { color: var(--sub); }