:root {
  color-scheme: light;
  --paper: #f2f0ea;
  --ink: #17201f;
  --muted: #66706d;
  --line: #cfd1ca;
  --accent: #315d57;
}
* { box-sizing: border-box; }
html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--paper); color: var(--ink); }
body { margin: 0; min-height: 100vh; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .22em; }
.site-header, footer { max-width: 1120px; margin: 0 auto; padding: 28px 32px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header { border-bottom: 1px solid var(--line); }
.mark { font-weight: 720; letter-spacing: -.02em; text-decoration: none; }
nav { display: flex; gap: 22px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); }
main { max-width: 1120px; margin: 0 auto; padding: 84px 32px 96px; }
.hero { max-width: 820px; }
.eyebrow, .date { color: var(--accent); font-size: .76rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 12px 0 24px; font-family: ui-serif, Georgia, serif; font-size: clamp(3rem, 7vw, 6.8rem); font-weight: 500; letter-spacing: -.055em; line-height: .94; }
.lede { max-width: 660px; color: var(--muted); font-size: clamp(1.15rem, 2.2vw, 1.55rem); line-height: 1.55; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 100px; border-top: 1px solid var(--line); }
article { padding: 30px 28px 20px 0; border-right: 1px solid var(--line); }
article + article { padding-left: 28px; }
article:last-child { border-right: 0; }
h2 { font-family: ui-serif, Georgia, serif; font-size: 1.7rem; font-weight: 500; line-height: 1.15; letter-spacing: -.025em; }
article p:last-child, .prose p { color: var(--muted); line-height: 1.7; }
.prose { max-width: 760px; }
.prose h1 { font-size: clamp(3rem, 6vw, 5.6rem); }
.prose p { font-size: 1.16rem; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
@media (max-width: 760px) {
  .site-header, footer { padding: 22px 20px; }
  main { padding: 60px 20px 72px; }
  h1 { font-size: clamp(2.8rem, 15vw, 5rem); }
  .grid { grid-template-columns: 1fr; margin-top: 70px; }
  article, article + article { padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  footer { align-items: flex-start; flex-direction: column; }
}