:root {
  color-scheme: dark;
  --bg: #000000;
  --panel: #000000;
  --border: rgba(255, 255, 255, 0.06);
  --text: #f5f5f5;
  --muted: #8f8f8f;
  --line: rgba(255, 255, 255, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  font-family: "Inter", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 24px;
}

.hero__content {
  width: min(520px, 100%);
  padding: 0;
  border: 0;
  background: var(--panel);
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(3.2rem, 8vw, 5.1rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.08em;
  user-select: none;
}

.tagline {
  max-width: none;
  margin: 18px auto 0;
  font-size: clamp(0.78rem, 1.6vw, 1rem);
  line-height: 1.75;
  letter-spacing: 0;
  color: var(--muted);
  white-space: nowrap;
  user-select: none;
}

.page-copy {
  max-width: 28rem;
  margin: 18px auto 0;
  font-size: clamp(0.9rem, 1.8vw, 1rem);
  line-height: 1.75;
  color: var(--muted);
}

.links {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin-top: 34px;
}

.links a {
  color: rgba(245, 245, 245, 0.6);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition:
    color 150ms ease,
    opacity 150ms ease;
}

.links a:hover {
  color: var(--text);
  opacity: 1;
}

.links a:focus-visible {
  outline: 1px solid rgba(255, 255, 255, 0.35);
  outline-offset: 6px;
}

@media (max-width: 640px) {
  .hero {
    padding: 28px 20px;
  }

  .hero__content {
    width: 100%;
  }

  .links a {
    font-size: 0.9rem;
  }
}
