:root {
  --bg: #070b12;
  --surface: #111821;
  --text: #f1e7d7;
  --border: #6b5a45;
  --brand: #eadbc0;
  --brand-dark: #a9855e;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(234, 219, 192, 0.12), transparent 24rem),
    radial-gradient(circle at top left, rgba(223, 154, 102, 0.1), transparent 20rem),
    linear-gradient(180deg, #0a0e15 0%, var(--bg) 55%, #05070b 100%);
  color: var(--text);
}

img {
  display: block;
  max-width: 100%;
}

.plain-page {
  width: min(980px, 100%);
  text-align: center;
}

.plain-banner-wrap {
  padding: 1rem;
  border: 1px solid rgba(234, 219, 192, 0.16);
  border-radius: 1.5rem;
  background: linear-gradient(180deg, rgba(22, 30, 41, 0.9), rgba(10, 14, 21, 0.95));
  box-shadow: var(--shadow);
}

.plain-banner {
  width: 100%;
  height: auto;
}

.plain-link-wrap {
  margin: 1.5rem 0 0;
}

.plain-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  border: 1px solid var(--brand-dark);
  border-radius: 999px;
  background: linear-gradient(180deg, #f3e6cf 0%, #d8be96 100%);
  color: #090d13;
  padding: 0.85rem 1.25rem;
  font-weight: 800;
  text-decoration: none;
  box-shadow:
    0 14px 30px rgba(0, 0, 0, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.plain-link:hover {
  background: linear-gradient(180deg, #fbf1de 0%, #e1c79f 100%);
  color: #090d13;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  body {
    padding: 1rem;
  }

  .plain-banner-wrap {
    padding: 0.75rem;
    border-radius: 1rem;
  }

  .plain-link {
    width: 100%;
  }
}