/* Schoolhouse website. One stylesheet, no build step. System fonts, light and dark. */
:root {
  --ground: #f6f4ef;
  --surface: #ffffff;
  --ink: #1f2f42;
  --ink-soft: #55657a;
  --rule: #ddd8cc;
  --accent: #b88a00;
  --accent-ink: #6f5300;
  --accent-soft: #f6efd6;
  --pass: #2f6f4e;
  --pass-soft: #e2efe7;
  --code-ground: #1f2f42;
  --code-ink: #eef3f7;
  --shadow: 0 1px 2px rgba(31, 47, 66, 0.08), 0 8px 24px rgba(31, 47, 66, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #131a21;
    --surface: #1b242e;
    --ink: #e5ebf0;
    --ink-soft: #9fb0c0;
    --rule: #2d3a47;
    --accent: #e0b73a;
    --accent-ink: #f3d87a;
    --accent-soft: #2f2a14;
    --pass: #7fc59a;
    --pass-soft: #1b3126;
    --code-ground: #0d1218;
    --code-ink: #dde6ee;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}
* { box-sizing: border-box; }
html { color-scheme: light dark; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  padding-inline: 20px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ink); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.4em; }
h1 { font-size: clamp(30px, 5vw, 44px); font-weight: 700; }
h2 { font-size: clamp(22px, 3.2vw, 30px); font-weight: 650; margin-top: 1.6em; }
h3 { font-size: 19px; font-weight: 650; margin-top: 1.2em; }
p, li { max-width: 68ch; }
.wrap { max-width: 1080px; margin: 0 auto; }
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-block: 18px 12px; border-bottom: 1px solid var(--rule); margin-bottom: 8px;
}
.brand { font-weight: 700; font-size: 20px; text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.brand .mark { width: 28px; height: 28px; border-radius: 7px; background: var(--accent); display: inline-block; position: relative; }
.brand .mark::after { content: ""; position: absolute; left: 7px; top: 7px; width: 14px; height: 14px; border-radius: 3px; background: var(--surface); }
nav.site-nav { display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 15px; }
nav.site-nav a { text-decoration: none; color: var(--ink-soft); }
nav.site-nav a:hover, nav.site-nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }
main { padding-block: 24px 48px; }
.hero { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 32px; align-items: center; padding-block: 24px 12px; }
.hero .lede { font-size: 21px; color: var(--ink-soft); max-width: 52ch; }
.hero img { width: 100%; max-width: 360px; justify-self: center; border-radius: 28px; box-shadow: var(--shadow); }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-top: 18px; }
.button {
  display: inline-block; padding: 12px 20px; border-radius: 12px; font-weight: 650; text-decoration: none;
  background: var(--ink); color: var(--ground); border: 1px solid var(--ink);
}
.button:hover { color: var(--ground); opacity: 0.92; }
.button.secondary { background: transparent; color: var(--ink); }
.trust { color: var(--ink-soft); font-size: 15px; margin-top: 12px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 12px; }
.step { background: var(--surface); border: 1px solid var(--rule); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.step img { width: 100%; border-radius: 14px; border: 1px solid var(--rule); }
.step .n { display: inline-block; width: 28px; height: 28px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-ink); font-weight: 700; text-align: center; line-height: 28px; margin-bottom: 8px; }
.step h3 { margin-top: 0; }
.step p { color: var(--ink-soft); font-size: 16px; }
.strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 12px; }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: 16px; padding: 18px; }
.card h3 { margin-top: 0; font-size: 18px; }
.card p { font-size: 16px; color: var(--ink-soft); margin-bottom: 0; }
figure { margin: 18px 0; }
figure img { max-width: 100%; border-radius: 22px; box-shadow: var(--shadow); }
figure.phone img { max-width: 320px; }
figcaption { color: var(--ink-soft); font-size: 14px; margin-top: 8px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin-top: 14px; }
.plan { background: var(--surface); border: 1px solid var(--rule); border-radius: 18px; padding: 22px; position: relative; }
.plan.featured { border-color: var(--accent); box-shadow: var(--shadow); }
.plan .tag { position: absolute; top: -12px; left: 18px; background: var(--accent); color: #1f2f42; font-size: 12px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px; }
.plan .price { font-size: 34px; font-weight: 700; letter-spacing: -0.02em; margin: 6px 0 0; }
.plan .per { color: var(--ink-soft); font-size: 15px; margin: 0 0 12px; }
.plan ul { padding-left: 18px; margin: 0; color: var(--ink-soft); font-size: 16px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { color: var(--ink-soft); font-weight: 600; font-size: 14px; letter-spacing: 0.02em; text-transform: uppercase; }
.note { background: var(--accent-soft); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 0 12px 12px 0; color: var(--ink); font-size: 16px; }
.note p { margin: 0; }
details { border-top: 1px solid var(--rule); padding: 12px 0; }
details:last-of-type { border-bottom: 1px solid var(--rule); }
summary { cursor: pointer; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::after { content: "+"; color: var(--ink-soft); font-weight: 400; }
details[open] summary::after { content: "–"; }
details p { color: var(--ink-soft); margin: 8px 0 0; }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.92em; background: var(--surface); border: 1px solid var(--rule); border-radius: 6px; padding: 1px 5px; }
.site-footer { border-top: 1px solid var(--rule); padding-block: 22px 40px; color: var(--ink-soft); font-size: 14px; display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.site-footer a { color: var(--ink-soft); }
.legal p, .legal li { max-width: 74ch; }
.legal h2 { font-size: 22px; }
.updated { color: var(--ink-soft); font-size: 15px; }
.toc { padding-left: 18px; columns: 2; gap: 24px; font-size: 16px; }
@media (max-width: 760px) {
  .hero, .two { grid-template-columns: 1fr; }
  .hero img { max-width: 280px; }
  .steps { grid-template-columns: 1fr; }
  .toc { columns: 1; }
}