:root {
  --accent1: #1E90FF;
  --accent2: #0078D7;
  --glass: rgba(255, 255, 255, 0.08);
  font-family: Inter, system-ui, Arial, sans-serif;
}

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

.splash-page {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: #fff;
}

.splash-card {
  width: min(920px, 92%);
  padding: 2.2rem 2.4rem;
  border-radius: 14px;
  background: var(--glass);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  text-align: center;
  backdrop-filter: blur(6px);
}

.splash-card h1 {
  margin: 0 0 .35rem;
  font-size: 2rem;
  letter-spacing: -0.5px;
}

.splash-card p {
  margin: 0 0 1.25rem;
  opacity: 0.95;
  font-size: 1rem;
}

#startBtn {
  background: white;
  color: var(--accent1);
  border: none;
  padding: 0.75rem 1.6rem;
  font-size: 1rem;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
  transition: transform .12s ease, box-shadow .12s ease;
}

#startBtn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.meta {
  margin-top: 1rem;
  font-size: 0.88rem;
  opacity: 0.9;
  color: rgba(255, 255, 255, 0.9);
}