:root {
  --bg0: #0f1419;
  --bg1: #1a2332;
  --ink: #e8eef6;
  --muted: #8b9bb0;
  --accent: #3d8bfd;
  --line: rgba(232, 238, 246, 0.12);
}

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

html, body {
  min-height: 100%;
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg0);
}

.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(61, 139, 253, 0.22), transparent 60%),
    radial-gradient(700px 420px at 90% 110%, rgba(45, 212, 191, 0.12), transparent 55%),
    linear-gradient(160deg, var(--bg0), var(--bg1));
  z-index: 0;
}

.wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 40rem;
  padding: 3rem 1.5rem;
  margin: 0 auto;
}

.brand {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 650;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 34rem;
  margin-bottom: 2rem;
}

.meta {
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: no-preference) {
  .wrap { animation: rise 0.55s ease-out both; }
  .bg { animation: fade 1.1s ease-out both; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}