:root {
  --bg: #14120f;
  --frame: #1c1915;
  --line: #322d26;
  --shadow: rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6vh 5vw;
}

.page {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.frame {
  margin: 0;
  max-width: 420px;
  width: 100%;
  background: var(--frame);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px;
  box-shadow: 0 30px 60px -20px var(--shadow);
}

.frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 3px;
}

@media (max-width: 480px) {
  body { padding: 8vh 6vw; }
  .frame { padding: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
}