:root {
  --bg: #05070D; --bg-raised: #101A2C; --card: #16233A; --card-2: #0C1424;
  --border: rgba(150,180,240,0.14); --border-strong: rgba(150,180,240,0.28);
  --text: #F3F6FC; --text-dim: #93A3C4; --text-faint: #5E6E8F;
  --accent: #5B9BFF; --accent-dim: #3568D4;
  --green: #33E39B; --red: #FF6B7F; --amber: #FFB620;
  --sans: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --display: 'Bricolage Grotesque', 'Instrument Sans', -apple-system, 'Segoe UI', sans-serif;
  --safe-top: env(safe-area-inset-top, 0px); --safe-bottom: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: var(--sans);
  -webkit-font-smoothing: antialiased; padding-top: var(--safe-top); padding-bottom: var(--safe-bottom);
  background-image:
    radial-gradient(ellipse 900px 620px at 8% -8%, rgba(91,155,255,0.10), transparent 62%),
    radial-gradient(ellipse 800px 560px at 100% 0%, rgba(51,227,155,0.06), transparent 62%);
  background-attachment: fixed;
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; max-width: 760px; margin: 0 auto; }
.nav a.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 15px; color: var(--text); text-decoration: none; }
.nav a.logo .dot { width: 9px; height: 9px; border-radius: 3px; background: var(--accent); display: inline-block; }
.nav a.back { color: var(--text-dim); text-decoration: none; font-size: 13.5px; font-weight: 600; }
.nav a.back:hover { color: var(--text); }
main { max-width: 760px; margin: 0 auto; padding: 12px 24px 100px; }
h1 { font-family: var(--display); font-size: clamp(28px, 5vw, 38px); font-weight: 800; letter-spacing: -0.02em; margin: 12px 0 6px; }
.updated { color: var(--text-faint); font-size: 13px; margin: 0 0 36px; }
.callout { background: var(--card); border: 1px solid var(--border-strong); border-left: 3px solid var(--accent); border-radius: 4px 12px 12px 4px; padding: 16px 18px; font-size: 14px; line-height: 1.6; color: var(--text-dim); margin-bottom: 36px; }
.callout strong { color: var(--text); }
h2 { font-family: var(--display); font-size: 19px; font-weight: 700; letter-spacing: -0.01em; margin: 40px 0 10px; }
h2:first-of-type { margin-top: 0; }
h3 { font-size: 14.5px; font-weight: 700; color: var(--text); margin: 20px 0 6px; }
p { font-size: 14.5px; line-height: 1.7; color: var(--text-dim); margin: 0 0 14px; max-width: 68ch; }
ul { margin: 0 0 14px; padding-left: 20px; }
li { font-size: 14.5px; line-height: 1.7; color: var(--text-dim); margin: 4px 0; max-width: 66ch; }
li::marker { color: var(--accent); }
strong { color: var(--text); font-weight: 700; }
a { color: var(--accent); }
table { width: 100%; border-collapse: collapse; margin: 4px 0 20px; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); color: var(--text-dim); vertical-align: top; }
th { color: var(--text); font-weight: 700; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.placeholder { background: var(--red-dim, rgba(255,107,127,0.16)); color: var(--red); border-radius: 4px; padding: 1px 6px; font-weight: 700; font-size: 0.92em; }
.fine { color: var(--text-faint); font-size: 12.5px; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--border); }