/* Color tokens live in themes.css. This file owns layout + structure only. */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg-gradient);
  height: 100vh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  color: var(--ink);
  transition: background 1.2s ease;
}

.stage {
  position: relative;
  z-index: 2;
  width: 100%;
  min-height: 100vh;
  margin: 0 auto;
  text-align: center;
}

@media (max-width: 480px) {
  .envelope { transform: scale(0.85); }
  .letter { padding: 32px 22px 28px; }
  .letter h1 { font-size: 24px; }
  .letter .body { font-size: 16.5px; }
  .to-line { font-size: 22px; }
}