:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --panel: #12161c;
  --text: #f2f5f8;
  --muted: #9aa4b2;
  --line: #242a33;
  --accent: #8fd3ff;
  --accent-text: #071018;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(143, 211, 255, 0.12), transparent 34rem),
    linear-gradient(145deg, #0b0d10 0%, #11151b 48%, #080a0d 100%);
  color: var(--text);
}

a {
  color: inherit;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px;
}

.intro {
  width: min(100%, 720px);
  padding: clamp(28px, 6vw, 64px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(18, 22, 28, 0.76);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.36);
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 13vw, 7rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.subtitle {
  max-width: 32rem;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 3vw, 1.35rem);
  line-height: 1.5;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: rgba(143, 211, 255, 0.72);
  background: rgba(143, 211, 255, 0.08);
  transform: translateY(-1px);
}

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

.button.primary {
  border-color: transparent;
  background: var(--accent);
  color: var(--accent-text);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #b7e4ff;
}

@media (max-width: 520px) {
  .page {
    place-items: stretch;
    align-content: center;
  }

  .intro {
    padding: 28px 22px;
  }

  .links {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}