:root {
  color-scheme: light;
  --navy: #0b1533;
  --ink: #14223f;
  --muted: #52617a;
  --line: #d5deea;
  --canvas: #f4f6fa;
  --green: #12603e;
  --blue: #5c97e3;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: white; color: var(--ink); font: 16px/1.65 "Segoe UI", system-ui, sans-serif; }
a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--green); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 5px; }
p { margin: 0 0 1em; max-width: 70ch; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
h1 { font-size: clamp(2.8rem, 5vw, 4.7rem); line-height: 1.08; letter-spacing: -.035em; }
h2 { font-size: clamp(1.9rem, 3vw, 2.7rem); line-height: 1.18; letter-spacing: -.025em; }
h3 { font-size: 1.05rem; line-height: 1.35; font-weight: 650; }
.skip-link { position: absolute; z-index: 2; top: -100px; left: 16px; padding: 12px 20px; background: white; color: var(--navy); }
.skip-link:focus { top: 16px; }
.preview-notice { background: var(--navy); color: white; padding: 9px 24px; text-align: center; font-size: .82rem; }
.site-header, main, footer { max-width: 1320px; margin-inline: auto; padding-inline: clamp(24px, 5vw, 72px); }
.site-header { min-height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; gap: 14px; align-items: center; text-decoration: none; font: bold 2.1rem Georgia, serif; letter-spacing: -.04em; }
.brand-iq { font-weight: 400; }
.brand img { display: block; flex-shrink: 0; }
nav { display: flex; gap: 28px; flex-wrap: wrap; font-size: .88rem; font-weight: 600; }
nav a { text-decoration: none; }
nav a:hover { text-decoration: underline; }
.introduction { display: grid; grid-template-columns: 1.12fr 1fr; gap: clamp(36px, 5vw, 80px); align-items: center; padding-block: 72px; }
.intro-copy .lead { font-size: 1.17rem; margin-top: 28px; line-height: 1.55; }
.intro-copy>p:not(.lead) { color: var(--muted); }
.intro-copy .audience { font-size: .78rem; margin: 18px 0 0; }
.button { display: inline-flex; gap: 24px; align-items: center; padding: 13px 22px; background: var(--navy); color: white; font-weight: 600; border-radius: 5px; text-decoration: none; margin-top: 12px; }
.button:hover { background: var(--green); color: white; }
.downloads { padding: 30px; background: var(--canvas); border: 1px solid var(--line); border-top: 4px solid var(--blue); }
.download-heading { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.download-heading h2 { font-size: 2rem; }
.version { font-size: .76rem; font-weight: 650; background: #e2f4ea; color: var(--green); padding: 4px 10px; border-radius: 4px; white-space: nowrap; }
.downloads>p { font-size: .86rem; color: var(--muted); }
.download-list { list-style: none; margin: 24px 0 20px; padding: 0; }
.download-list li { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 19px 0; border-top: 1px solid var(--line); }
.download-list li:last-child { border-bottom: 1px solid var(--line); }
.download-list p { font-size: .77rem; color: var(--muted); margin: 4px 0 0; }
.download-list a { font-size: .84rem; font-weight: 650; white-space: nowrap; }
.downloads .download-hint { font-size: .76rem; line-height: 1.6; }
.downloads .beta-warning { color: #704b08; background: #fff1d2; padding: 12px 14px; font-size: .76rem; margin: 18px 0 0; }
.beta-warning strong { display: block; margin-bottom: 3px; }
.section-heading { display: flex; gap: 48px; align-items: end; justify-content: space-between; margin-bottom: 32px; }
.section-heading>p { max-width: 33ch; color: var(--muted); margin: 0; font-size: .9rem; }
.app-preview { padding-block: 26px 72px; }
figure { margin: 0; }
figure a { display: block; }
figure img { width: 100%; height: auto; display: block; border: 1px solid var(--line); box-shadow: 0 18px 38px #0b153315; }
figcaption { font-size: .76rem; color: var(--muted); max-width: 100ch; margin-top: 18px; }
.getting-started { padding-block: 64px; border-top: 1px solid var(--line); }
.steps { list-style: none; margin: 32px 0 0; padding: 0; counter-reset: steps; }
.steps li { counter-increment: steps; display: grid; grid-template-columns: 40px 220px 1fr; gap: 8px 20px; border-top: 1px solid var(--line); padding: 28px 0; }
.steps li::before { content: counter(steps); font: 1.75rem/1.2 Georgia, serif; color: var(--green); }
.steps p { font-size: .94rem; color: var(--muted); margin-bottom: 0; }
blockquote { grid-column: 3; margin: 8px 0 0; font-size: .93rem; color: var(--green); }
.help { display: grid; grid-template-columns: 1fr 1.4fr; gap: 72px; background: var(--canvas); padding: 48px; margin: 0 0 72px; }
.help h2 { margin-bottom: 24px; }
.help>div>p { color: var(--muted); font-size: .92rem; }
.text-link { font-weight: 600; font-size: .87rem; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary { padding: 18px 0; cursor: pointer; font-size: .92rem; font-weight: 600; }
details p { font-size: .86rem; color: var(--muted); padding-right: 20px; }
footer { border-top: 1px solid var(--line); padding-block: 36px; display: flex; gap: 24px; align-items: center; justify-content: space-between; font-size: .76rem; color: var(--muted); }
.footer-brand { font: bold 1.5rem Georgia, serif; color: var(--ink); }
footer p { margin: 5px 0 0; }
@media (max-width: 1000px) {
  .introduction { gap: 30px; }
  h1 { font-size: 3.2rem; }
  .downloads { padding: 22px; }
  .steps li { grid-template-columns: 32px 170px 1fr; gap: 8px 12px; }
  .help { gap: 32px; padding: 32px; }
}
@media (max-width: 760px) {
  .site-header { align-items: start; padding-block: 24px; flex-direction: column; gap: 18px; }
  nav { gap: 22px; }
  .introduction { grid-template-columns: 1fr; gap: 40px; padding-block: 44px; }
  h1 { font-size: clamp(2.7rem, 9.5vw, 4rem); }
  .downloads { padding: 24px; }
  .section-heading { display: block; }
  .section-heading>p { margin-top: 20px; max-width: 60ch; }
  .app-preview { padding-bottom: 40px; }
  .getting-started { padding-block: 40px; }
  .steps li { grid-template-columns: 32px 1fr; }
  .steps p, blockquote { grid-column: 2; }
  .help { grid-template-columns: 1fr; padding: 24px; gap: 24px; margin-bottom: 40px; }
  footer { align-items: start; flex-direction: column; }
}
@media (max-width: 380px) {
  nav { gap: 16px; }
  .download-list li { flex-wrap: wrap; gap: 12px; }
  .download-list a { padding-block: 4px; }
}
@media print {
  .preview-notice, nav, .button, .skip-link { display: none; }
  .introduction, .help { display: block; }
  .downloads { margin-top: 24px; }
  details>p { display: block !important; }
  figure img { box-shadow: none; }
}