:root {
  --bg: #0b0d10;
  --card: #1b1e23;
  --text: #f7f8fa;
  --secondary: #9ba1ab;
  --muted: #737a86;
  --accent: #348bff;
  --line: rgba(255, 255, 255, 0.09);
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));
  background:
    radial-gradient(60% 45% at 70% 18%, rgba(52, 139, 255, 0.28), rgba(52, 139, 255, 0) 100%),
    radial-gradient(40% 30% at 15% 90%, rgba(70, 212, 154, 0.1), rgba(70, 212, 154, 0) 100%),
    var(--bg);
  color: var(--text);
  font: 400 17px/1.5 -apple-system, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

main { width: 100%; max-width: 440px; }

.brand {
  margin: 0 0 56px;
  font: 800 26px/1 -apple-system, "SF Pro Display", "Helvetica Neue", sans-serif;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 14px;
  font: 800 40px/1.05 -apple-system, "SF Pro Display", "Helvetica Neue", sans-serif;
  letter-spacing: -0.035em;
}

.lead { margin: 0 0 32px; color: var(--secondary); font-size: 18px; }

.actions { display: grid; gap: 12px; }

.button {
  display: block;
  padding: 16px 20px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-weight: 650;
  text-align: center;
  text-decoration: none;
  transition: transform 120ms ease, opacity 120ms ease;
}
.button:active { transform: scale(0.98); opacity: 0.85; }
.button.primary { background: var(--accent); border-color: transparent; color: #fff; }
.button[hidden] { display: none; }

.soon { margin: 20px 0 0; color: var(--secondary); font-size: 15px; }
.note { margin: 28px 0 0; color: var(--muted); font-size: 14px; }

@media (prefers-reduced-motion: reduce) {
  .button { transition: none; }
}