:root {
  color: #203d32;
  background: #f8f5ea;
  font: 1rem/1.65 system-ui, sans-serif;
  --ink: #203d32;
  --muted: #4a6156;
  --line: #d9dcd0;
  --paper: #fffcf3;
  --serif: Georgia, "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: .25em; }
a:focus-visible { outline: 2px solid #a66c39; outline-offset: 5px; }
h1, h2, p { margin: 0; }
h1, h2 { font-family: var(--serif); font-weight: 400; line-height: 1.08; }

.wrap { width: min(100% - 2 * clamp(1.1rem, 5vw, 4rem), 72rem); margin-inline: auto; }
.skip { position: absolute; left: 1rem; top: -5rem; z-index: 2; background: var(--paper); padding: .5rem 1rem; }
.skip:focus { top: 1rem; }

.site-header { border-bottom: 1px solid var(--line); }
.header-inner, .footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .65rem 2rem;
  padding-block: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .65rem; color: inherit; font: 2rem/1 var(--serif); text-decoration: none; }
.brand svg { width: 2rem; height: 2rem; }
.site-nav { display: flex; flex-wrap: wrap; gap: .2rem .4rem; }
.site-nav a { padding: .36rem .68rem; font-size: .86rem; text-decoration: none; border-radius: 5rem; }
.site-nav a:hover, .site-nav a[aria-current="page"] { background: #e5eadb; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(1rem, 5vw, 4rem);
  padding-block: clamp(2.2rem, 6vw, 5rem) clamp(2rem, 4vw, 3.5rem);
}
.hero h1 { font-size: clamp(3.2rem, 6.9vw, 6.4rem); letter-spacing: -.068em; margin-bottom: 1.25rem; }
.hero h1 em { display: block; font-weight: 400; color: #47705a; }
.hero p { color: var(--muted); max-width: 40ch; }
.hero img { display: block; width: 100%; height: auto; }
.button {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  background: #274b3e;
  color: #fff9e7;
  padding: .68rem 1.12rem;
  border-radius: .55rem;
  font-weight: 600;
  text-decoration: none;
}
.button:hover { background: #37604e; }
.hero .button { margin-top: 1.5rem; }

.browse { padding-block: 1.5rem clamp(3.2rem, 6vw, 5.5rem); }
.browse > h2 { font-size: clamp(1.7rem, 3.7vw, 2.6rem); margin-bottom: 1rem; }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.tile {
  padding: .9rem clamp(1rem, 2.6vw, 1.55rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: .6rem;
  font: 1.35rem/1.2 var(--serif);
  text-decoration: none;
}
.tile:hover { border-color: #819c82; background: #fffdf8; }
.page-intro { padding-block: clamp(1.8rem, 5vw, 3.4rem); background: #e9eddd; border-bottom: 1px solid var(--line); }
.page-intro h1 { font-size: clamp(2.7rem, 6vw, 5rem); letter-spacing: -.06em; overflow-wrap: anywhere; }
.document { display: grid; grid-template-columns: minmax(10rem, .65fr) minmax(0, 2fr); align-items: start; gap: clamp(1.2rem, 5vw, 4.5rem); padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2.5rem, 6vw, 5rem); }
.contents { position: sticky; top: 1.2rem; padding-top: .9rem; font-size: .91rem; }
.contents > p { font-weight: 700; }
.contents ol { padding-left: 1.25rem; margin: .55rem 0 0; }
.contents li { padding-block: .24rem; }
.contents a { color: var(--muted); }
.reading { min-width: 0; padding: .1rem clamp(1.05rem, 4vw, 2.8rem); background: var(--paper); border: 1px solid var(--line); border-radius: 1rem; }
.reading section { padding-block: clamp(1.25rem, 3.8vw, 2.3rem); scroll-margin-top: 1.25rem; }
.reading section + section { border-top: 1px solid var(--line); }
.reading h2 { font-size: clamp(1.35rem, 3.5vw, 1.95rem); margin-bottom: .75rem; }
.reading p { max-width: 66ch; overflow-wrap: anywhere; }

.site-footer { background: #254438; color: #f9f0db; }
.footer-inner { padding-block: 1.4rem; }
.footer-inner > a:last-child { font-size: .9rem; }

@media (max-width: 700px) {
  .hero { grid-template-columns: 1fr; gap: .8rem; }
  .hero img { max-width: 26rem; margin: auto; }
  .tiles { grid-template-columns: 1fr; gap: .6rem; }
  .document { grid-template-columns: 1fr; gap: 1rem; }
  .contents { position: static; padding: 0; }
  .contents ol { display: grid; grid-template-columns: 1fr 1fr; column-gap: 1.6rem; }
}

@media (max-width: 420px) {
  .site-nav { width: 100%; gap: .2rem; }
  .site-nav a { padding-inline: .27rem; font-size: .76rem; }
  .contents ol { grid-template-columns: 1fr; }
}