:root {
  --bg: oklch(98% 0.005 80);
  --fg: oklch(18% 0.01 80);
  --muted: oklch(55% 0.01 80);
  --rule: oklch(88% 0.008 80);
  --accent: oklch(62% 0.14 35);
  --sans: Helvetica, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

header, footer {
  padding: 28px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

header .mark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--fg);
}

header .dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
  display: inline-block;
}

header nav {
  display: flex;
  gap: 22px;
}

header nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 160ms ease;
}

header nav a:hover { color: var(--fg); }

main {
  display: grid;
  place-items: center;
  padding: 24px;
  position: relative;
}

.stage {
  text-align: center;
  max-width: 900px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.eyebrow .line {
  width: 28px;
  height: 1px;
  background: var(--rule);
  display: inline-block;
}

h1 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  font-size: clamp(56px, 12vw, 168px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

h1 .comma {
  color: var(--accent);
  display: inline;
}

h1 .comma::before { content: ","; }

h1 .caret {
  display: inline-block;
  width: 0.08em;
  height: 0.85em;
  margin-left: 0.05em;
  background: var(--fg);
  transform: translateY(0.08em);
  animation: blink 1.05s steps(1, end) infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.caption {
  margin-top: 28px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--rule);
}

footer .left, footer .right {
  display: flex;
  gap: 18px;
  align-items: center;
}

@media (max-width: 640px) {
  header, footer { padding: 20px; }
  header nav { display: none; }
}