:root {
  font-family: system-ui, sans-serif;
  color: #10232d;
  background: #f4f8f9;
  --teal: #164e63;
  --teal-hover: #0f4052;
  --line: #e1e9ed;
  --gutter: 20px;
}
* { box-sizing: border-box; }
body { margin: 0; height: 100dvh; display: flex; flex-direction: column; }
header { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 14px var(--gutter); background: #fff; border-bottom: 1px solid var(--line); }
a { color: var(--teal); text-underline-offset: 3px; }
a:hover { color: var(--teal-hover); }
.brand { display: flex; gap: 9px; align-items: center; color: var(--teal); font-size: 18px; font-weight: 760; font-variant-caps: all-small-caps; text-decoration: none; white-space: nowrap; }
.brand-light { font-weight: 450; color: #778892; margin: 0 1px; }
.brand-mark { flex: none; width: 34px; height: 34px; border-radius: 11px; background: var(--teal); display: grid; place-items: center; }
.brand-mark img { display: block; }
form { display: flex; flex: 1; gap: 10px; min-width: 280px; margin: 0; }
input { min-width: 0; flex: 1; height: 42px; border: 1px solid #bed0cd; border-radius: 8px; padding: 10px 12px; font: inherit; color: inherit; background: #fff; }
button, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; margin: 0; border: 1px solid var(--teal); border-radius: 8px; padding: 10px 14px; background: var(--teal); color: #fff; font: inherit; font-size: 14px; font-weight: 600; line-height: 20px; text-decoration: none; white-space: nowrap; cursor: pointer; }
button:hover, .button:hover { background: var(--teal-hover); border-color: var(--teal-hover); color: #fff; }
.button-secondary { background: #fff; color: var(--teal); }
.button-secondary:hover { background: #f4f8f9; color: var(--teal-hover); }
button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid #f1ae38; outline-offset: 3px; }
.demo-notice { margin: 0; padding: 5px var(--gutter); font-size: 10px; line-height: 1.4; background: #e7f4f0; }
.demo-notice a { font-weight: 600; }
footer { margin: 0; padding: 9px var(--gutter); font-size: 12px; line-height: 1.5; background: #fff; border-top: 1px solid var(--line); }
main { flex: 1; min-height: 0; position: relative; }
iframe { display: block; width: 100%; height: 100%; border: 0; background: #fff; }
#welcome { text-align: center; max-width: 620px; margin: 8vh auto; padding: 24px var(--gutter); }
h1 { margin: 0 0 16px; font-size: clamp(28px, 5vw, 48px); }
#welcome p { margin: 0; line-height: 1.6; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
@media (max-width: 650px) {
  :root { --gutter: 12px; }
  header { gap: 8px; padding-block: 12px; }
  form { flex-basis: 100%; min-width: 0; order: 3; gap: 8px; }
  input { font-size: 16px; }
  button, .button { padding-inline: 10px; font-size: 13px; }
  #welcome { margin-top: 5vh; }
}