:root {
  color-scheme: dark;
  --bg: #07080d; --bg2: #0d0f17; --fg: #f3f1ea; --muted: #9a9caa; --dim: #5f6272;
  --accent: #f5b942; --accent2: #4ade80; --danger: #fb7185; --line: #1d2030;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--sans); line-height: 1.55; }
a { color: var(--accent); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--fg); }
.mark { font-family: var(--mono); font-weight: 700; border: 1.5px solid var(--accent); color: var(--accent); border-radius: 8px; padding: 4px 7px; font-size: 14px; }
.brand b { letter-spacing: .08em; text-transform: uppercase; font-size: 14px; }
.brand small { display: block; color: var(--muted); font-size: 11px; letter-spacing: .02em; }
nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--fg); }
nav a.cta { color: var(--bg); background: var(--accent); padding: 6px 14px; border-radius: 999px; font-weight: 600; }

.hero { padding: 72px 0 48px; }
.eyebrow { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: .12em; text-transform: uppercase; }
h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(38px, 6vw, 68px); line-height: 1.04; margin: 14px 0 20px; letter-spacing: -.01em; }
h1 em { color: var(--accent); font-style: italic; }
.lead { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; text-decoration: none; font-weight: 600; font-size: 15px; }
.btn.primary { background: var(--accent); color: var(--bg); }
.btn.ghost { border: 1px solid var(--line); color: var(--fg); }
.btn.ghost:hover { border-color: var(--muted); }

.split { margin-top: 48px; border: 1px solid var(--line); border-radius: 14px; padding: 20px; background: var(--bg2); }
.split h3 { margin: 0 0 4px; font-size: 14px; color: var(--muted); font-weight: 500; }
.split .compare { display: grid; grid-template-columns: 110px 1fr; gap: 10px 14px; align-items: center; margin-top: 14px; font-size: 13px; }
.bar { height: 26px; border-radius: 6px; overflow: hidden; display: flex; background: #151826; font-family: var(--mono); font-size: 11px; }
.bar span { display: flex; align-items: center; padding: 0 8px; white-space: nowrap; }
.c { background: var(--accent); color: var(--bg); font-weight: 700; }
.p { background: #2a2e44; color: var(--fg); }
.x { background: #3a1c26; color: var(--danger); }
.note { font-size: 12px; color: var(--dim); margin-top: 12px; }

section { padding: 64px 0; border-top: 1px solid var(--line); }
h2 { font-family: var(--serif); font-weight: 500; font-size: clamp(28px, 4vw, 40px); margin: 0 0 10px; }
.sub { color: var(--muted); max-width: 680px; margin: 0 0 32px; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; counter-reset: s; }
.step { border: 1px solid var(--line); border-radius: 12px; padding: 20px; background: var(--bg2); }
.step::before { counter-increment: s; content: "0" counter(s); font-family: var(--mono); color: var(--accent); font-size: 13px; }
.step h4 { margin: 8px 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .two { grid-template-columns: 1fr; } }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 22px; background: var(--bg2); }
.card h3 { margin: 0 0 10px; font-size: 18px; }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 14.5px; }
.card li { margin-bottom: 7px; }
.card li b { color: var(--fg); font-weight: 600; }
.card.warn { border-color: #3a2a1a; }

.modes { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.mode { border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.mode .k { font-family: var(--mono); font-size: 12px; color: var(--accent2); }
.mode h4 { margin: 6px 0 4px; }
.mode p { margin: 0; font-size: 13.5px; color: var(--muted); }

.log { font-family: var(--mono); font-size: 12.5px; border: 1px solid var(--line); border-radius: 10px; overflow-x: auto; }
.log table { width: 100%; border-collapse: collapse; min-width: 640px; }
.log th, .log td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); white-space: nowrap; }
.log th { color: var(--dim); font-weight: 500; }
.tag { padding: 2px 8px; border-radius: 999px; font-size: 11px; }
.tag.on { background: #3a1c26; color: var(--danger); }
.tag.off { background: #14321f; color: var(--accent2); }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; font-size: 13px; color: var(--dim); }
footer p { margin: 0 0 8px; }
footer a { color: var(--muted); }
.doc { max-width: 760px; }
.doc h2 { margin-top: 8px; }
.rules { list-style: none; padding: 0; margin: 0; counter-reset: r; }
.rules li { border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px 18px 60px; margin-bottom: 12px; background: var(--bg2); position: relative; }
.rules li::before { counter-increment: r; content: counter(r); position: absolute; left: 20px; top: 16px; font-family: var(--mono); color: var(--accent); font-size: 18px; }
.rules h4 { margin: 0 0 4px; font-size: 17px; }
.rules p { margin: 0; color: var(--muted); font-size: 14.5px; }
.callout { border: 1px solid #3a2a1a; background: #1a140a; border-radius: 12px; padding: 18px 20px; margin: 24px 0; }
.callout b { color: var(--accent); }
.ttable { width: 100%; border-collapse: collapse; font-size: 14px; margin: 12px 0 24px; }
.ttable th, .ttable td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.ttable th { color: var(--dim); font-weight: 500; }