:root {
  color-scheme: dark;
  --bg: #1a1c19;
  --surface: #242824;
  --text: #f4f1ea;
  --muted: #c4bfb4;
  --accent: #e0a23a;
  --border: #3a3e38;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2.5rem 1.5rem;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #1a1c19;
  padding: 10px 16px;
  font-weight: 600;
  z-index: 2;
}

.skip-link:focus { left: 0; }

main {
  width: min(36rem, 100%);
}

.mark {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 4rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.mark::after {
  content: "";
  display: block;
  width: 2.75rem;
  height: 0.28rem;
  margin-top: 0.7rem;
  background: var(--accent);
}

h1 {
  margin: 1.25rem 0 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 4vw, 2.15rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--muted);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}