* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: #111111;
  background:
    radial-gradient(circle at 10% 20%, #efe7d8 0, transparent 42%),
    radial-gradient(circle at 90% 85%, #e2ebf7 0, transparent 36%),
    linear-gradient(140deg, #faf7f0 0%, #fdfdfd 100%);
}

main {
  width: min(680px, 100%);
  text-align: center;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 20px;
  padding: clamp(2rem, 6vw, 3.25rem);
  box-shadow:
    0 12px 30px rgba(0, 0, 0, 0.08),
    0 2px 8px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(4px);
}

h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(2.1rem, 5.2vw, 3.2rem);
  letter-spacing: 0.02em;
  line-height: 1.08;
}

a {
  color: #0f4dbb;
  text-decoration: none;
  font-size: clamp(1.05rem, 2.4vw, 1.2rem);
  font-weight: 600;
  border-bottom: 2px solid rgba(15, 77, 187, 0.35);
  padding-bottom: 0.15rem;
  transition: color 150ms ease, border-color 150ms ease;
}

a:hover,
a:focus-visible {
  color: #073285;
  border-color: #073285;
}