:root {
  --brand: #5a1a9c; /* deep purple */
  --brand-dark: #3d0f6b;
  --text-on-brand: #ffffff;
  --card-bg: rgba(255, 255, 255, 0.08);
  --radius: 16px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-on-brand);
  background: radial-gradient(1200px 800px at 20% 10%, var(--brand) 0%, var(--brand-dark) 60%, #1a0030 100%);
  display: grid;
  place-items: center;
}

.main {
  text-align: center;
  padding: clamp(2rem, 4vw, 3rem);
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2rem);
  max-width: 760px;
  margin-inline: auto;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.logo {
  width: min(92%, 560px);
  height: auto;
  display: block;
  margin: 0 auto 1.25rem auto;
  border-radius: 12px;
}

h1 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  margin: 0.2rem 0 0.4rem;
  letter-spacing: 0.3px;
}

p.tagline {
  margin: 0 0 1rem 0;
  opacity: 0.95;
}

.contact a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid rgba(255,255,255,0.55);
}
.contact a:hover {
  border-color: #fff;
}

footer {
  margin-top: 1rem;
  font-size: 0.9rem;
  opacity: 0.85;
}