:root {
  --bg: #fbfbfd; --panel: #ffffff; --ink: #1d1d1f; --ink-2: #6e6e73; --line: #e5e5ea;
  --accent: #0071e3; --accent-hover: #0077ed; --band: #000000; --step: #f5f5f7;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000000; --panel: #161617; --ink: #f5f5f7; --ink-2: #a1a1a6; --line: #2c2c2e;
          --accent: #2997ff; --accent-hover: #47a6ff; --band: #000000; --step: #1d1d1f; color-scheme: dark; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); display: flex; flex-direction: column;
       font: 17px/1.47 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
       -webkit-font-smoothing: antialiased; letter-spacing: -0.01em; }
header { background: var(--band); padding: 12px 24px; text-align: center; flex: none; }
.brand { color: #f5f5f7; text-decoration: none; font: 35px "Iowan Old Style", Georgia, serif; display: inline-flex; align-items: center; letter-spacing: 0; }
.brand img { margin-right: 15px; }
.brand sup { font-size: .4em; }
main { flex: 1; display: flex; align-items: center; justify-content: center; padding: 32px 24px; }
.layout { width: 100%; max-width: 1080px; display: grid; grid-template-columns: 1fr 1.05fr; gap: 64px; align-items: center;
          animation: rise .6s ease-out both; }
.layout.single { grid-template-columns: 1fr; max-width: 640px; text-align: center; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .layout { animation: none; } }
.app-icon { display: block; width: 144px; height: 144px; margin: -12px 0 6px -12px; filter: drop-shadow(0 8px 18px rgba(0,0,0,.18)); }
h1 { font: 600 56px/1.07 -apple-system, BlinkMacSystemFont, "SF Pro Display", sans-serif; letter-spacing: -0.03em; margin: 0; }
.tagline { font: italic 24px/1.3 "Iowan Old Style", Georgia, serif; color: var(--ink-2); margin: 10px 0 18px; letter-spacing: 0; }
.lede { font-size: 19px; line-height: 1.42; margin: 0 0 28px; max-width: 30em; }
.layout.single .lede { margin-left: auto; margin-right: auto; }
.button { display: inline-flex; align-items: center; gap: 9px; background: var(--accent); color: #fff; font-size: 17px; font-weight: 400; text-decoration: none;
          padding: 12px 28px; border-radius: 980px; transition: background .2s; }
.button:hover { background: var(--accent-hover); }
.button .glyph { flex: none; margin-left: -4px; }
.button.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.meta { color: var(--ink-2); font-size: 14px; line-height: 1.5; margin: 16px 0 0; }
.not-mac { font-size: 15px; margin: 12px 0 0; }
.verify { margin-top: 14px; font-size: 13px; color: var(--ink-2); max-width: 30em; }
.verify summary { cursor: pointer; color: var(--accent); list-style: none; display: inline-block; }
.verify summary::-webkit-details-marker { display: none; }
.verify summary::after { content: " ›"; }
.verify[open] summary::after { content: " ⌄"; }
.verify p { margin: 8px 0 4px; }
.verify code { font: 12px ui-monospace, "SF Mono", Menlo, monospace; word-break: break-all; }
.panel { background: var(--panel); border-radius: 22px; padding: 28px 30px;
         box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 40px rgba(0,0,0,.06); border: 1px solid var(--line); }
h2 { font-size: 21px; font-weight: 600; letter-spacing: -0.015em; margin: 0 0 16px; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 12px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 28px 1fr; column-gap: 12px; font-size: 14.5px; line-height: 1.45; }
.steps li::before { content: counter(step); grid-row: span 2; width: 26px; height: 26px; border-radius: 50%; background: var(--step);
                    color: var(--accent); font-weight: 600; font-size: 13px; display: grid; place-items: center; margin-top: 1px; }
.step-title { font-weight: 600; }
.step-text { color: var(--ink-2); }
.step-text em, .meta em, .note em, .lede em { font-style: normal; color: var(--ink); font-weight: 500; }
.note { font-size: 13px; color: var(--ink-2); margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--line); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.button:hover { text-decoration: none; }
.code-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 0 0 24px; }
.code { font: 600 24px ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .02em; }
.copy { font: inherit; font-size: 14px; background: var(--step); color: var(--accent); border: 0; border-radius: 980px; padding: 6px 14px; cursor: pointer; }
footer { flex: none; text-align: center; color: var(--ink-2); font-size: 12px; padding: 14px 16px 18px; }
footer a { color: inherit; }
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .lede, .verify { margin-left: auto; margin-right: auto; }
  .app-icon { margin: 0 auto 6px; }
  .steps li { text-align: left; }
  .panel h2 { text-align: left; }
  .note { text-align: left; }
  .code-row { justify-content: center; }
  main { align-items: flex-start; }
}
@media (max-width: 560px) {
  h1 { font-size: 40px; }
  .brand { font-size: 28px; } .brand img { width: 40px; height: 40px; }
  .panel { padding: 22px 20px; }
  .code { font-size: 19px; }
}
@media (max-height: 760px) and (min-width: 861px) {
  main { padding: 20px 24px; }
  h1 { font-size: 48px; }
  .app-icon { width: 112px; height: 112px; margin: -8px 0 4px -9px; }
  .lede { font-size: 17px; margin-bottom: 22px; }
  .steps { gap: 9px; }
  .steps li { font-size: 14px; }
  .panel { padding: 22px 26px; }
}