:root {
  color-scheme: light;
  --ink: #14201f;
  --muted: #4d5f5d;
  --paper: #f7f5ef;
  --panel: #ffffff;
  --line: #d7ddd8;
  --accent: #075f55;
  --accent-dark: #03423b;
  --notice: #fff3cf;
  --notice-line: #b07a00;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

a { color: var(--accent-dark); }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #ed9f00; outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: .65rem 1rem;
  color: white;
  background: var(--accent-dark);
}
.skip-link:focus { top: 1rem; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
}

.brand {
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 850;
  letter-spacing: .04em;
  text-decoration: none;
}

nav { display: flex; flex-wrap: wrap; gap: .55rem 1.2rem; }
nav a { color: var(--muted); font-weight: 700; text-decoration: none; }
nav a[aria-current="page"] { color: var(--accent-dark); text-decoration: underline; text-underline-offset: .35rem; }

main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}

.document { max-width: 820px; }
.hero { padding: 2rem 0 3rem; }
section + section { margin-top: 3.5rem; }

h1, h2, h3 { line-height: 1.18; letter-spacing: -.025em; }
h1 { max-width: 900px; margin: .3rem 0 1rem; font-size: clamp(2.35rem, 7vw, 4.8rem); }
.document h1 { font-size: clamp(2.25rem, 6vw, 4rem); }
h2 { margin: 0 0 1rem; font-size: clamp(1.55rem, 4vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p, li, dd { color: var(--muted); }
strong, dt { color: var(--ink); }

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.lede { max-width: 760px; font-size: 1.24rem; }
.notice {
  margin: 2rem 0;
  padding: 1rem 1.2rem;
  border-left: 5px solid var(--notice-line);
  border-radius: .2rem;
  color: #584000;
  background: var(--notice);
}
.notice strong { color: #3b2b00; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.grid article {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: .45rem;
  background: var(--panel);
}
.grid article h3 { margin-top: 0; }

.check-list, .steps { padding-left: 1.35rem; }
.check-list li, .steps li { margin: .65rem 0; padding-left: .35rem; }
.text-link { font-weight: 750; }
code { padding: .1rem .25rem; border-radius: .2rem; background: #e9ece8; }

.facts { display: grid; gap: .7rem; }
.facts div {
  display: grid;
  grid-template-columns: minmax(145px, .7fr) 2fr;
  gap: 1rem;
  padding: .9rem 0;
  border-top: 1px solid var(--line);
}
.facts dt { font-weight: 800; }
.facts dd { margin: 0; }

footer {
  padding: 2.5rem 1.5rem;
  border-top: 1px solid var(--line);
  text-align: center;
  background: #edf0eb;
}
footer p { margin: .25rem; font-size: .9rem; }

@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: .75rem; }
  main { padding-top: 2rem; }
  .grid { grid-template-columns: 1fr; }
  .facts div { grid-template-columns: 1fr; gap: .15rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}