:root {
  --bg: #0b1220;
  --card: #111a2b;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --accent: #22d3ee;
  --accent-2: #60a5fa;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu,
    Cantarell, Noto Sans, Helvetica Neue, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background: linear-gradient(135deg, #0b1220 0%, #0e1526 60%, #101828 100%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site {
  min-height: 100%;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: center;
  justify-items: center;
  padding: 2rem;
}

.card {
  width: 100%;
  max-width: 720px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.04),
    rgba(255, 255, 255, 0.02)
  );
  border: 1px solid rgba(148, 163, 184, 0.15);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 2.5rem;
  text-align: center;
  position: relative;
  backdrop-filter: blur(6px);
}

.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #001018;
  font-weight: 700;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  font-size: 0.875rem;
  box-shadow: 0 6px 18px rgba(34, 211, 238, 0.35);
}

.title {
  margin: 0.25rem 0 0.5rem 0;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
}

.domain {
  background: linear-gradient(90deg, #e2e8f0, #cbd5e1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  margin: 0.5rem 0 2rem 0;
  color: var(--muted);
  font-size: 1.125rem;
}

.cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

.btn-primary {
  display: inline-block;
  padding: 0.9rem 1.2rem;
  border-radius: 12px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #001018;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
  border: 0;
  box-shadow: 0 12px 30px rgba(96, 165, 250, 0.35);
  transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(96, 165, 250, 0.45);
  filter: saturate(1.1);
}

.hint {
  color: var(--muted);
  margin-top: 0.75rem;
  font-size: 0.95rem;
}

.footer {
  color: #64748b;
  font-size: 0.9rem;
  margin-top: 2rem;
}

@media (max-width: 420px) {
  .card {
    padding: 1.5rem;
  }
}