:root {
  --bg:      #F9F6F0;
  --surface: #FFFFFF;
  --text:    #1C1917;
  --muted:   #6B6560;
  --accent:  #0C3A29;
  --accent2: #1A6B4A;
  --border:  #E5DFD5;
  --danger:  #9B2226;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:      #14110E;
    --surface: #1D1A16;
    --text:    #F2EDE5;
    --muted:   #A39C93;
    --accent:  #8FD6B4;
    --accent2: #6FC59B;
    --border:  #2E2922;
    --danger:  #E88A8D;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 1.25rem 5rem;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 45rem; margin: 0 auto; }
header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}
.brand {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent2);
  letter-spacing: -0.01em;
  margin: 0 0 .35rem;
}
.tagline { color: var(--muted); font-size: .95rem; margin: 0; }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 .5rem; letter-spacing: -0.01em; }
h2 {
  font-size: 1.15rem;
  margin: 2.5rem 0 .75rem;
  padding-top: .25rem;
  color: var(--accent2);
  letter-spacing: -0.005em;
}
h3 { font-size: 1rem; margin: 1.5rem 0 .4rem; }
p, li { color: var(--text); }
ul { padding-left: 1.25rem; }
li { margin: .4rem 0; }
a { color: var(--accent2); }
.updated { color: var(--muted); font-size: .9rem; margin: 0 0 2rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}
.card.warn { border-color: var(--danger); }
.card h3 { margin-top: 0; }
table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .95rem; }
th, td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .85rem; text-transform: uppercase; letter-spacing: .03em; }
.table-scroll { overflow-x: auto; }
footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2.5rem;
  margin: 1rem 0;
}
.steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: .1rem;
  width: 1.7rem; height: 1.7rem;
  border-radius: 50%;
  background: var(--accent2); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700;
}