:root {
  --background: #e8f4fd;
  --surface: #ffffff;
  --foreground: #0d1f3c;
  --muted: #4a6080;
  --accent: #38bdf8;
  --accent-foreground: #0d1f3c;
  --border: rgba(56, 189, 248, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--background);
  background-image:
    radial-gradient(ellipse at 20% 30%, rgba(56, 189, 248, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(13, 31, 60, 0.12) 0%, transparent 55%);
  color: var(--foreground);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 1.5rem;
  text-align: center;
}

.card {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 1.25rem;
  padding: 3rem 2.5rem;
  max-width: 34rem;
  width: 100%;
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow:
    0 4px 6px rgba(13, 31, 60, 0.04),
    0 12px 40px rgba(13, 31, 60, 0.10),
    0 0 0 1px rgba(255, 255, 255, 0.6) inset;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
}

.title {
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.subtitle {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 28rem;
  margin: 0 auto 2rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border-radius: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--accent);
  color: var(--accent-foreground);
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.45);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(56, 189, 248, 0.6);
}

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.4);
  color: var(--foreground);
  border: 1px solid rgba(13, 31, 60, 0.15);
}

.footer {
  font-size: 0.85rem;
  color: var(--muted);
}