:root {
  color-scheme: light;
  --paper: #eaf2ff;
  --ink: #182b50;
  --blue: #164bde;
  --line: #c5d5ee;
  --white: #ffffff;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: 4px; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, iframe:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
[hidden] { display: none !important; }
.masthead, main, footer { max-width: 1440px; margin: auto; padding-inline: 48px; }
.masthead { display: flex; justify-content: space-between; align-items: center; padding-block: 30px; gap: 20px; }
.wordmark { text-decoration: none; font-size: 38px; font-weight: 900; letter-spacing: -2px; display: flex; align-items: center; gap: 14px; }
.wordmark span { font: 10px/1.4 ui-monospace, monospace; letter-spacing: .06em; max-width: 70px; }
.language-link { font-size: 14px; font-weight: 700; padding: 14px 0 14px 14px; }
.intro { padding-block: 54px 50px; max-width: 1050px; }
.proposal { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 24px; color: var(--blue); font-weight: 700; font-size: 14px; }
.proposal span { font-size: 24px; }
h1 { font-size: clamp(42px, 6.6vw, 88px); letter-spacing: -.065em; line-height: 1.03; margin: 0; font-weight: 800; max-width: 970px; text-wrap: balance; }
.lead { max-width: 700px; font-size: 19px; line-height: 1.6; margin: 26px 0 0; }
.toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; border-top: 1px solid var(--line); padding-top: 27px; }
.toolbar h2 { font-size: 18px; margin: 0; letter-spacing: -.02em; }
.device-controls { display: flex; flex-wrap: wrap; gap: 4px; border-radius: 12px; padding: 4px; background: #dce7fa; }
.device-controls button { border: 0; background: transparent; color: var(--ink); font: inherit; font-weight: 700; font-size: 13px; min-height: 44px; padding: 10px 15px; border-radius: 9px; cursor: pointer; }
.device-controls button span { font: 10px ui-monospace, monospace; margin-left: 5px; }
.device-controls button[aria-pressed="true"] { background: var(--ink); color: var(--white); }
.hint { color: #3d5276; font-size: 13px; line-height: 1.6; margin: 15px 0 26px; max-width: 720px; }
.designs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; align-items: start; scroll-margin-top: 20px; }
.design { background: var(--white); border: 1px solid var(--line); border-radius: 20px; overflow: hidden; min-width: 0; }
.design-copy { padding: 27px 28px 25px; min-height: 205px; }
.character { font: 11px/1.5 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 12px; color: #405578; }
.design h2 { font-size: 34px; line-height: 1.1; letter-spacing: -.045em; margin: 0 0 14px; }
.design-copy > p:last-child { font-size: 15px; line-height: 1.6; margin: 0; max-width: 470px; }
.preview { background: #dce7fa; border-block: 1px solid var(--line); overflow: auto; margin: 0 16px; height: 760px; position: relative; }
.preview iframe { display: block; border: 0; width: 390px; height: 760px; margin-inline: auto; transform-origin: top left; background: white; }
.preview.is-scaled { overflow: hidden; }
.preview.is-scaled iframe { position: absolute; margin: 0; }
.design-actions { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; align-items: center; padding: 17px 24px; }
.full-link { font-weight: 700; font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; gap: 10px; }
.languages { display: flex; gap: 16px; }
.languages a { font-size: 13px; min-height: 44px; display: inline-flex; align-items: center; }
.disclosure { border-top: 1px solid var(--line); margin-top: 52px; padding-block: 26px 30px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 40px; font-size: 13px; line-height: 1.7; }
.disclosure p { max-width: 700px; margin: 0; }
.disclosure a { min-height: 44px; display: inline-flex; align-items: center; gap: 6px; }
footer { border-top: 1px solid var(--line); padding-block: 26px 32px; display: flex; justify-content: space-between; gap: 20px; font-size: 12px; }
footer > span { font: 12px ui-monospace, monospace; white-space: nowrap; }
footer p { margin: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip { position: absolute; z-index: 2; top: 5px; left: 16px; padding: 14px; background: white; transform: translateY(-150%); }
.skip:focus { transform: none; }
@media (max-width: 900px) {
  .masthead, main, footer { padding-inline: 28px; }
  .intro { padding-block: 38px 40px; }
  .designs { gap: 20px; }
  .design-copy { padding: 23px 22px; min-height: 240px; }
  .design-actions { padding-inline: 20px; }
}
@media (max-width: 620px) {
  .masthead, main, footer { padding-inline: 20px; }
  .masthead { padding-block: 20px; }
  .wordmark { font-size: 32px; gap: 10px; }
  .wordmark span { font-size: 9px; }
  .intro { padding-block: 25px 32px; }
  .proposal { margin-bottom: 17px; font-size: 12px; }
  .lead { font-size: 16px; line-height: 1.6; margin-top: 20px; }
  .toolbar { gap: 17px; padding-top: 23px; }
  .device-controls { width: 100%; justify-content: space-between; }
  .device-controls button { flex: 1; padding-inline: 7px; font-size: 12px; }
  .device-controls button span { display: block; margin: 3px 0 0; }
  .designs { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .design-copy { min-height: 0; padding: 24px; }
  .design h2 { font-size: 32px; }
  .preview { margin-inline: 12px; }
  .design-actions { padding: 14px 20px; }
  .disclosure { margin-top: 34px; }
  footer { flex-direction: column; gap: 12px; }
}