@font-face {
  font-family: 'IBM Plex Serif';
  src: url('/assets/IBMPlexSerif-Regular.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Serif';
  src: url('/assets/IBMPlexSerif-Medium.woff2') format('woff2');
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/assets/IBMPlexSans-Regular.woff2') format('woff2');
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--op-paper);
  color: var(--op-ink);
  font: 400 18px/1.5 var(--op-sans);
  -webkit-font-smoothing: antialiased;
}
main {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 48px 24px;
}
.splash {
  width: min(100%, 800px);
  padding: 56px 64px 60px;
  background: var(--op-white);
  border: 1px solid var(--op-rule);
  border-top: 3px solid var(--op-accent);
}
a { color: inherit; text-decoration: none; touch-action: manipulation; }
a:focus-visible { outline: 2px solid var(--op-accent); outline-offset: 5px; }
.wordmark {
  display: inline-block;
  color: var(--op-accent);
  font: 500 32px/1.05 var(--op-serif);
  letter-spacing: var(--op-title-tracking);
}
h1 {
  max-width: 20ch;
  margin: 40px 0 24px;
  font: 400 60px/1.06 var(--op-serif);
  letter-spacing: var(--op-title-tracking);
  text-wrap: balance;
}
p { max-width: 52ch; margin: 0; text-wrap: pretty; color: var(--op-muted); }
.destination { margin-top: 36px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--op-radius);
  background: var(--op-accent);
  color: var(--op-on-accent);
  font-size: 16px;
  line-height: 1.4;
  transition: background var(--op-motion-fast);
}
.button:hover { background: var(--op-accent-hover); }
@media (max-width: 600px) {
  main { padding: 24px 20px; }
  .splash { padding: 32px 28px 36px; }
  .wordmark { font-size: 28px; }
  h1 { font-size: clamp(32px, 8.8vw, 48px); margin-top: 36px; }
  p { font-size: 16px; }
  .destination { align-items: flex-start; flex-direction: column; gap: 16px; margin-top: 28px; }
}