:root {
  --bg-start: #071b2f;
  --bg-end: #0d2440;
  --card-bg: rgba(255, 255, 255, 0.08);
  --text: #edf6ff;
  --muted: #b7d8f8;
  --accent: #7dd3fc;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
  color: var(--text);
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.hero {
  width: min(90vw, 700px);
  padding: 3rem 2rem;
  border-radius: 24px;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
}

.content {
  text-align: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.1;
}

.subtitle {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.25rem);
}