*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #000000;
  --ink: #ffffff;
  --ink-soft: rgba(255,255,255,0.75);
  --ink-dim: rgba(255,255,255,0.55);
  --ink-faint: rgba(255,255,255,0.35);
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.15);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.005em;
}
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(600px 400px at 20% 0%, rgba(60, 40, 80, 0.18), transparent 60%),
    radial-gradient(500px 300px at 80% 100%, rgba(20, 40, 80, 0.12), transparent 60%);
}

.wrap { max-width: 820px; margin: 0 auto; padding: 0 32px; position: relative; z-index: 1; }
a { color: var(--ink); border-bottom: 1px solid var(--ink-faint); transition: border-color 0.2s; }
a:hover { border-color: var(--ink); }

.liquid-glass {
  background: rgba(255, 255, 255, 0.01);
  background-blend-mode: luminosity;
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  border: none;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}
.liquid-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.4px;
  background: linear-gradient(180deg,
    rgba(255,255,255,0.45) 0%, rgba(255,255,255,0.15) 20%,
    rgba(255,255,255,0) 40%, rgba(255,255,255,0) 60%,
    rgba(255,255,255,0.15) 80%, rgba(255,255,255,0.45) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

nav.topnav {
  position: relative; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 32px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 500; font-size: 17px;
  letter-spacing: -0.01em; color: var(--ink);
  border: none;
}
.logo:hover { border: none; }
.logo-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 12px rgba(255,255,255,0.6);
}
.back-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px;
  font-size: 13.5px; font-weight: 500;
  color: var(--ink); border: none;
}
.back-pill:hover { background: rgba(255,255,255,0.05); border: none; }

article { padding: 96px 0 120px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: var(--ink-dim);
  text-transform: uppercase; letter-spacing: 0.16em;
  margin-bottom: 28px;
}
.eyebrow::before {
  content: ''; width: 24px; height: 1px; background: var(--ink-soft);
}

h1 {
  font-size: clamp(48px, 7vw, 84px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}
h1 em { font-style: italic; font-weight: 400; opacity: 0.85; }

.last-updated {
  color: var(--ink-faint);
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 56px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.intro {
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink);
  margin-bottom: 56px;
  padding-left: 24px;
  border-left: 1px solid var(--ink-soft);
  font-weight: 300;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 28px;
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 56px 0 18px;
}
h2 .num {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
  font-weight: 500;
}
h3 {
  font-size: 16px;
  font-weight: 500;
  margin: 28px 0 10px;
  letter-spacing: -0.005em;
}

p, li {
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 1.75;
  margin-bottom: 14px;
}
strong { color: var(--ink); font-weight: 500; }
ul, ol { padding-left: 22px; margin-bottom: 18px; }
li { margin-bottom: 8px; }

footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--ink-faint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
footer a {
  color: var(--ink-dim); margin: 0 14px;
  border: none;
}
footer a:hover { color: var(--ink); border: none; }