:root {
  --bg-top: #172033;
  --bg-mid: #101a2b;
  --bg-bottom: #0a1220;
  --text: #dce7e4;
  --muted: #8ea39d;
  --accent: #8fe3b2;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(71, 217, 191, 0.08), transparent 32%),
    radial-gradient(circle at bottom, rgba(120, 148, 168, 0.08), transparent 28%),
    linear-gradient(145deg, var(--bg-top) 0%, var(--bg-mid) 52%, var(--bg-bottom) 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Aptos", sans-serif;
}

.hero {
  width: min(100%, 620px);
}

.brand-shell {
  text-align: center;
  filter: drop-shadow(var(--shadow));
}

.brand-shell > * + * {
  margin-top: 0.75rem;
}

.brand-logo {
  width: min(100%, 360px);
  height: auto;
  margin: 0 auto 1rem;
  display: block;
}

.tagline {
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.12rem);
  color: var(--accent);
  line-height: 1.6;
  letter-spacing: 0.01em;
  opacity: 0.88;
}

.tagline::before,
.tagline::after {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  margin: 0 12px 0 0;
  vertical-align: middle;
  background: rgba(71, 217, 191, 0.28);
}

.tagline::after {
  margin: 0 0 0 12px;
}

@media (max-width: 640px) {
  .brand-logo {
    width: min(100%, 300px);
  }
}