/* Light reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; }

/* Theme & layout */
:root {
  --maroon: #2a0f12;
  --maroon-dark: #1c0b0f;
  --lime: #b7ff6e;
  --lime-strong: #a6ff2a;
  --text: #e7ffe8;
  --glass: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
  --shadow: 0 12px 40px rgba(0,0,0,.4);
}

body {
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial;
  background: 
    radial-gradient(circle at 20% 10%, rgba(120,255,180,.25) 0 60px, transparent 60px),
    radial-gradient(circle at 80% 70%, rgba(90,255,130,.25) 0 70px, transparent 70px),
    linear-gradient(135deg, #141215 0%, #23070e 100%);
  background-size: 260px 260px, 320px 320px, 100% 100%;
  animation: waveMove 14s linear infinite;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@keyframes waveMove {
  0% { background-position: 0 0, 0 0, 0 0; }
  50% { background-position: -60px 60px, 40px -40px, 0 0; }
  100% { background-position: 0 0, 0 0, 0 0; }
}

main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 140px);
}

.image-frame {
  width: min(92vw, 680px);
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
}

footer {
  padding: 1.5rem 1rem;
  text-align: center;
  color: rgba(232, 255, 232, 0.95);
  background: rgba(0,0,0,.08);
  border-top: 1px solid rgba(255,255,255,.15);
}

.product-ad {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  padding: .6rem;
  border-radius: 12px;
  background: rgba(42, 6, 8, 0.68); /* maroon frosted base */
  border: 1px solid rgba(210, 60, 60, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04), 0 8px 28px rgba(0,0,0,.4);
  margin: 0 auto 0.75rem;
}

.product-ad h3 {
  font-size: 0.95rem;
  color: #eaffcc;
  margin: 0 0 .25rem;
  letter-spacing: .4px;
}

.product-ad a { text-decoration: none; color: inherit; }

.product-ad p {
  margin: 0;
  display: inline-block;
  padding: .55rem 1.1rem;
  border-radius: 999px;
  background: rgba(0,0,0,.25);
  color: #e6ffd9;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.25);
  transition: transform .2s ease;
}
.product-ad p:hover { transform: translateY(-1px); }

/* Focus accessibility */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
  border-radius: 6px;
}

/* Responsiveness (mobile-first) */
@media (min-width: 768px) {
  main { padding: 3rem 2rem; min-height: calc(100vh - 200px); }
  .product-ad { flex-direction: row; align-items: center; gap: 1rem; }
  .product-ad h3 { font-size: 1.05rem; }
}