:root {
  color-scheme: light;
  --bg: #f6f7f8;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #667085;
  --border: #d9dee5;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.card {
  width: min(100%, 520px);
  padding: 48px 40px;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 3.5rem);
  line-height: 1.05;
  font-weight: 700;
}

.tagline {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--muted);
}

.footer {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}