:root {
  --bg: #f6f1fb;
  --surface: rgba(255, 255, 255, 0.82);
  --text: #201b2c;
  --muted: #6f6781;
  --accent: #7c3aed;
  --accent-soft: #a855f7;
  --line: rgba(124, 58, 237, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, Geist, "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(168, 85, 247, 0.18), transparent 28%),
    radial-gradient(circle at bottom left, rgba(124, 58, 237, 0.12), transparent 30%),
    var(--bg);
  color: var(--text);
}

body {
  min-height: 100vh;
}

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

.card {
  width: min(100%, 760px);
  padding: 48px 40px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), var(--surface));
  box-shadow: 0 24px 60px rgba(124, 58, 237, 0.08);
  backdrop-filter: blur(12px);
  text-align: center;
}

.logo {
  width: min(100%, 300px);
  height: auto;
}

.eyebrow {
  margin: 24px 0 0;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 18px auto 0;
  max-width: 11ch;
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
}

.lead {
  margin: 20px auto 0;
  max-width: 42ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .card {
    padding: 32px 22px;
    border-radius: 24px;
  }

  .logo {
    width: min(100%, 220px);
  }
}