:root {
  color-scheme: light;
  font-family: var(--prorail-font-body);
  color: var(--prorail-ink);
  background: var(--prorail-paper);
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.65; }
header { background: var(--prorail-ink); color: white; border-bottom: 6px solid var(--prorail-yellow); padding: 1rem max(1.5rem, calc((100% - 68rem) / 2)); }
header strong { font-weight: 800; letter-spacing: .02em; }
nav { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: .5rem; }
nav a { color: white; }
main { max-width: 68rem; margin: 0 auto; padding: 3rem 1.5rem 5rem; }
h1, h2 { font-family: var(--prorail-font-heading); font-weight: 800; line-height: 1.15; }
h1 { max-width: 18ch; font-size: clamp(2.4rem, 6vw, 4.8rem); margin: 0 0 1rem; }
h2 { margin-top: 2.5rem; color: var(--prorail-red); }
.eyebrow { color: var(--prorail-red); font-size: .8rem; font-weight: 700; text-transform: uppercase; }
.intro { max-width: 48rem; font-size: 1.2rem; }
.notice { border-left: .35rem solid var(--prorail-yellow); background: white; padding: 1rem 1.25rem; margin: 2rem 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1rem; }
.card { display: block; color: inherit; background: white; border: 1px solid var(--prorail-line); padding: 1.25rem; text-decoration: none; }
.card:hover { border-color: var(--prorail-red); }
code { background: var(--prorail-gray-soft); padding: .15rem .3rem; }
table { width: 100%; border-collapse: collapse; background: white; }
th, td { text-align: left; padding: .65rem; border-bottom: 1px solid #dce2de; }
footer { max-width: 68rem; margin: 0 auto; padding: 2rem 1.5rem; border-top: 1px solid #dce2de; }