:root {
  --primary: #2e89c9;
  --accent: #264653;
  --bg: #0f172a;
  --fg: #325873;
  --muted: #9ca3af;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--fg);
  background: radial-gradient(1200px 800px at 10% 10%, rgba(46,137,201,0.18), transparent 60%),
              radial-gradient(1000px 600px at 90% 90%, rgba(31,74,99,0.22), transparent 50%),
              #0b1020;
}

.wrap {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 48px 16px;
}

.card {
  width: min(680px, 92vw);
  background: #fff;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 24px;
  padding: 48px 40px 52px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.06);
  backdrop-filter: blur(6px);
}

.logo {
  display: block;
  margin: 0 auto 16px;
  width: clamp(180px, 40vw, 320px);
  height: auto;
  /*filter: drop-shadow(0 4px 18px rgba(46,137,201,0.35));*/
}

h1 {
  margin: 6px 0 8px;
  font-size: clamp(28px, 6vw, 44px);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.tagline {
  margin: 0;
  font-size: clamp(16px, 3.2vw, 18px);
  color: var(--muted);
}

.card::after {
  /*content: "";*/
  display: block;
  margin: 28px auto 0;
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
  border-radius: 999px;
  opacity: 0.9;
}