@font-face { font-family: "Atkinson Hyperlegible"; src: url("/fonts/atkinson-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Atkinson Hyperlegible"; src: url("/fonts/atkinson-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --bg: #ffffff;
  --band: #eaf1fa;
  --ink: #142033;
  --muted: #4f5d72;
  --rule: #d3dcea;
  --accent: #1a4f9c;
  --accent-ink: #ffffff;
  --mark: #ffe066;
  --mark-ink: #142033;
  --bad: #b3261e;
  --ok: #1d6b3a;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1623;
    --band: #16213a;
    --ink: #e5ebf4;
    --muted: #9fb0c8;
    --rule: #2a3854;
    --accent: #8db7ff;
    --accent-ink: #0f1623;
    --mark: #6b5a12;
    --mark-ink: #fff4c2;
    --bad: #ff9b92;
    --ok: #7fd49c;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 18px/1.6 "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-underline-offset: 3px; }

.wrap { max-width: 64rem; margin: 0 auto; padding: 0 16px; }

header.site { background: var(--band); border-bottom: 1px solid var(--rule); }
header.site .wrap { padding-top: 14px; padding-bottom: 14px; }
header.site a { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; }
header.site svg { width: 30px; height: 26px; }

.intro { background: var(--band); padding: 10px 0 30px; }
.intro h1 { font-size: 40px; line-height: 1.15; margin: 10px 0 14px; max-width: 22ch; }
.intro h1 mark { background: linear-gradient(transparent 55%, var(--mark) 55%); color: inherit; padding: 0 2px; }
.intro .lede { font-size: 20px; max-width: 40rem; margin: 0; }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 20rem; gap: 48px; padding: 28px 0 48px; align-items: start; }
.body h2 { font-size: 25px; line-height: 1.25; margin: 36px 0 10px; }
.body h2:first-child { margin-top: 0; }
.body h3 { font-size: 19px; margin: 22px 0 4px; }
p, ul, ol { margin: 0 0 14px; }
li { margin-bottom: 6px; }
.fine, .muted { color: var(--muted); font-size: 15.5px; }
kbd { font-family: inherit; font-size: 0.9em; font-weight: 700; border: 1px solid var(--rule); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; white-space: nowrap; }

.table-scroll { overflow-x: auto; margin: 0 0 18px; }
table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { text-align: left; padding: 9px 10px; border: 1px solid var(--rule); vertical-align: top; }
th { background: var(--band); }
td .yes { color: var(--ok); font-weight: 700; }
td .no { color: var(--bad); font-weight: 700; }

aside.side { position: sticky; top: 16px; border: 2px solid var(--accent); border-radius: 10px; padding: 18px 18px 16px; }
aside.side h2 { font-size: 21px; line-height: 1.25; margin: 0 0 8px; }
aside.side p { font-size: 16.5px; }
.status { display: inline-block; background: var(--mark); color: var(--mark-ink); font-weight: 700; font-size: 14px; padding: 1px 8px; border-radius: 4px; margin-bottom: 8px; }

form.signup label[for="email"] { display: block; font-weight: 700; margin-bottom: 6px; font-size: 16.5px; }
form.signup input[type="email"] {
  width: 100%; font: inherit; font-size: 16px; padding: 10px 12px; min-height: 48px;
  border: 2px solid var(--rule); background: var(--bg); color: var(--ink); border-radius: 8px;
}
form.signup button {
  width: 100%; margin-top: 8px; font: inherit; font-weight: 700; padding: 10px 16px; min-height: 48px; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px;
}
form.signup button:disabled { opacity: 0.6; cursor: default; }
form.signup.done .row, form.signup.done label[for="email"] { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.msg { margin: 10px 0 0; font-weight: 700; min-height: 1.6em; font-size: 16.5px; }
.msg.bad { color: var(--bad); }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.jump { display: none; margin: 12px 0 0; font-weight: 700; }
@media (max-width: 860px) { .jump { display: block; } }

main.solo .wrap > div { max-width: 44rem; padding: 28px 0 40px; }

footer.site { border-top: 1px solid var(--rule); padding: 22px 0 40px; color: var(--muted); font-size: 15px; }
footer.site p { margin-bottom: 8px; max-width: 46rem; }

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  aside.side { position: static; }
}
@media (max-width: 560px) {
  body { font-size: 17px; }
  .intro h1 { font-size: 31px; }
  .intro .lede { font-size: 18px; }
  .body h2 { font-size: 22px; }
}