:root {
  --paper: #f6f6f4;
  --raised: #fcfcfb;
  --ink: #1a1c20;
  --secondary: #46494f;
  --muted: #6d7076;
  --line: #dcddd8;
  --line-strong: #b8bab3;
  --accent: #16307f;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1120px; margin: auto; padding: 16px 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.wordmark { font: 600 .78rem var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink); text-decoration: none; }
nav { display: flex; gap: 26px; }
nav a { font: 500 .72rem var(--mono); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; color: var(--secondary); }
.page { max-width: 1120px; margin: auto; padding: 80px 24px 104px; }
.eyebrow, .label, .facts dt, .caption, .site-footer, .btn { font-family: var(--mono); }
.eyebrow { margin: 0 0 20px; font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
h1 { margin: 0 0 22px; font-size: clamp(2.6rem, 6.5vw, 5rem); line-height: 1.02; letter-spacing: -.04em; font-weight: 600; max-width: 900px; }
h2 { margin: 0 0 14px; font-size: clamp(1.4rem, 2.6vw, 1.9rem); line-height: 1.2; letter-spacing: -.025em; font-weight: 600; }
h3 { margin: 28px 0 8px; font-size: 1.08rem; font-weight: 600; letter-spacing: -.01em; }
.lede { max-width: 720px; margin: 0 0 28px; font-size: clamp(1.1rem, 2vw, 1.35rem); line-height: 1.55; color: var(--secondary); }
p, li { max-width: 740px; color: var(--secondary); font-size: .97rem; line-height: 1.75; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; }
.btn { display: inline-block; padding: 12px 20px; border: 1px solid var(--ink); border-radius: 2px; font-size: .78rem; font-weight: 600; letter-spacing: .04em; text-decoration: none; background: var(--ink); color: var(--paper); }
.btn:hover { background: #101215; color: var(--paper); }
.btn.secondary { background: transparent; color: var(--ink); }
.btn.secondary:hover { background: var(--raised); color: var(--ink); }
.section { margin-top: 72px; padding-top: 34px; border-top: 1px solid var(--line); }
.label { margin: 0 0 14px; font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 36px; align-items: center; border: 1px solid var(--line); background: var(--raised); border-radius: 4px; padding: 22px; }
.card img { display: block; width: 100%; height: auto; border: 1px solid var(--line-strong); border-radius: 3px; }
.card h2 { margin-top: 6px; }
.meta { font: 500 .68rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0; }
.ticks { list-style: none; padding: 0; margin: 14px 0 20px; display: grid; gap: 6px; }
.ticks li { position: relative; padding-left: 20px; font-size: .9rem; line-height: 1.6; }
.ticks li::before { content: "\2713"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }
.caps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; margin-top: 8px; }
.cap { padding: 18px 0; border-top: 1px solid var(--line); }
.cap h3 { margin: 0 0 4px; font-size: 1rem; }
.cap p { margin: 0; font-size: .9rem; line-height: 1.65; }
.facts { margin: 30px 0 0; max-width: 820px; }
.facts div { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.facts div:first-child { border-top: 1px solid var(--line); }
.facts dt { color: var(--muted); font-size: .7rem; font-weight: 500; text-transform: uppercase; letter-spacing: .06em; }
.facts dd { margin: 0; color: var(--secondary); font-size: .92rem; }
figure { margin: 26px 0 8px; }
figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line-strong); border-radius: 3px; }
.figs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 26px 0 8px; }
.figs figure { margin: 0; }
.caption { margin-top: 8px; font-size: .68rem; letter-spacing: .04em; color: var(--muted); line-height: 1.6; }
pre { margin: 22px 0 6px; padding: 18px 20px; overflow-x: auto; background: #14161a; color: #e6e8ec; border-radius: 4px; font: 400 .78rem/1.65 var(--mono); max-width: 860px; }
.note { margin: 28px 0 0; padding: 16px 20px; border-left: 3px solid var(--accent); background: var(--raised); max-width: 780px; }
.note p { margin: 0; font-size: .9rem; }
.crumb { display: inline-block; margin-bottom: 26px; font: 500 .72rem var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none; color: var(--secondary); }
.site-footer { max-width: 1120px; margin: auto; padding: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: .7rem; }
@media (max-width: 760px) {
  .page { padding: 52px 20px 80px; }
  .card { grid-template-columns: minmax(0, 1fr); gap: 22px; padding: 16px; }
  .caps, .figs { grid-template-columns: minmax(0, 1fr); }
  .facts div { grid-template-columns: 96px minmax(0, 1fr); gap: 10px; }
  nav { gap: 16px; }
}