:root {
  --dark-bg: #0f172a;
  --dark-card: #111827;
  --light-bg: #f8fafc;
  --light-card: #ffffff;
  --text-light: #e5e7eb;
  --text-dark: #0f172a;
  --muted-dark: #9ca3af;
  --muted-light: #475569;
  --border-light: #e2e8f0;
  --green: #22c55e;
  --green-hover: #16a34a;
  --blue: #2563eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
}

/* Home */
.home-page {
  min-height: 100vh;
  background: radial-gradient(circle at top, #1e293b, var(--dark-bg));
  color: var(--text-light);
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 640px;
  background: rgba(17, 24, 39, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

h1 {
  margin: 0 0 12px;
  font-size: 2.25rem;
  line-height: 1.1;
}

.tagline {
  margin: 0 auto 28px;
  color: var(--muted-dark);
  max-width: 460px;
  font-size: 1.05rem;
  line-height: 1.6;
}

.play-btn {
  display: inline-block;
  text-decoration: none;
  color: #fff;
  background: var(--green);
  padding: 14px 22px;
  border-radius: 10px;
  font-weight: bold;
  transition: background 0.2s ease;
}

.play-btn:hover {
  background: var(--green-hover);
}

.footer-link {
  display: block;
  margin-top: 22px;
  color: var(--muted-dark);
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-link:hover {
  color: var(--text-light);
}