/* One stylesheet for the whole site. System fonts, light/dark, no build step. */

:root {
  --ink: #17181c;
  --ink-dim: #5b5e66;
  --ink-faint: #8a8e97;
  --bg: #fbfbfd;
  --card: #fff;
  --line: rgba(0, 0, 0, 0.1);
  --tint: #0a5fd0;
  --warn-bg: #fff6e5;
  --warn-line: #e8b34a;
  --measure: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eceef2;
    --ink-dim: #a8acb5;
    --ink-faint: #7d818b;
    --bg: #0f1013;
    --card: #17181c;
    --line: rgba(255, 255, 255, 0.14);
    --tint: #64a8ff;
    --warn-bg: #2a2415;
    --warn-line: #7a6224;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", sans-serif;
  -webkit-text-size-adjust: 100%;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--card); padding: 10px 16px; border-radius: 8px; z-index: 10;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------------------------------------------------------------- chrome */

header.site {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  max-width: var(--measure); margin: 0 auto; padding: 22px 24px 0;
}
.brand { font-weight: 640; font-size: 16px; color: var(--ink); text-decoration: none; }
header nav { display: flex; gap: 16px; font-size: 15px; }
header nav a { color: var(--ink-dim); text-decoration: none; }
header nav a:hover { color: var(--tint); text-decoration: underline; }
header nav [aria-current] { color: var(--ink); font-weight: 560; }

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 20px 24px 64px;
}

footer.site {
  max-width: var(--measure); margin: 0 auto;
  padding: 24px 24px 56px;
  border-top: 1px solid var(--line);
  color: var(--ink-dim); font-size: 14px;
}
footer.site a { color: var(--ink-dim); }
footer .fine { color: var(--ink-faint); font-size: 13px; }

/* ---------------------------------------------------------------- text */

h1 { font-size: 32px; line-height: 1.2; letter-spacing: -0.02em; margin: 24px 0 8px; }
h2 { font-size: 21px; line-height: 1.3; margin: 40px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 26px 0 6px; }
.subtitle { color: var(--ink-dim); margin: 0 0 8px; font-size: 17px; }
.subtitle:empty { display: none; }

a { color: var(--tint); }
p, li { overflow-wrap: break-word; }
ul, ol { padding-left: 1.3em; }
li { margin: 6px 0; }
strong { font-weight: 620; }
code { font: 0.88em ui-monospace, "SF Mono", Menlo, monospace; background: var(--line); padding: 1px 5px; border-radius: 5px; }

.updated { color: var(--ink-faint); font-size: 14px; margin-top: 0; }

/* ---------------------------------------------------------------- blocks */

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 14px; padding: 18px 20px; margin: 20px 0;
}
.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }

.note {
  background: var(--warn-bg); border: 1px solid var(--warn-line);
  border-radius: 14px; padding: 16px 20px; margin: 22px 0; font-size: 16px;
}
.note > :first-child { margin-top: 0; }
.note > :last-child { margin-bottom: 0; }

.contact { font-size: 17px; }

/* tables scroll rather than pushing the page sideways */
.scroll { overflow-x: auto; margin: 18px 0; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 9px 12px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; color: var(--ink-dim); white-space: nowrap; }

dl.faq dt { font-weight: 600; margin-top: 22px; }
dl.faq dd { margin: 4px 0 0; color: var(--ink-dim); }
dl.faq dd p { margin: 6px 0; }

.lede { font-size: 19px; line-height: 1.55; }
.plans { list-style: none; padding: 0; }
.plans li { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; gap: 12px; flex-wrap: wrap; }
.plans b { min-width: 5.5em; }
.plans span { color: var(--ink-dim); }