/* Light reset */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #0a0a0f;
  --fg: #e9e2b8;
  --card: rgba(18,18,18,.6);
  --accent: #ffd54f;
  --accent-dark: #f2c400;
  --text: #f8f4d2;
  --muted: #d6cea7;
}

html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(135deg, rgba(0,0,0,.25) 25%, transparent 25%), 
    linear-gradient(225deg, rgba(0,0,0,.25) 25%, transparent 25%), 
    linear-gradient(315deg, rgba(0,0,0,.15) 25%, transparent 25%), 
    linear-gradient(45deg, rgba(0,0,0,.15) 25%, transparent 25%);
  background-size: 40px 40px;
  background-position: 0 0, 0 0, 0 0, 0 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  letter-spacing: .2px;
}

main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 120px);
}

.image-frame {
  width: min(92vw, 860px);
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(0,0,0,.25);
  box-shadow: 0 10px 40px rgba(0,0,0,.6);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  /* slight cyber glow to the image */
  filter: saturate(1.05);
}

footer {
  width: 100%;
  padding: 1.25rem;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  background: transparent;
}

.product-ad {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(92vw, 560px);
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: rgba(16,16,16,.6);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  gap: 1rem;
}

.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  color: #ffd666; /* neon yellow */
  text-shadow: 0 0 6px rgba(255,214,102,.6);
}

.product-ad a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.1rem;
  border-radius: 9px;
  background: linear-gradient(#ffd347, #f0c000);
  color: #0a0a0a;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid rgba(0,0,0,.25);
  box-shadow: 0 6px 12px rgba(0,0,0,.4), 0 0 12px rgba(255,214,102,.5);
  transition: transform .15s ease, filter .15s ease;
}
.product-ad a:hover { transform: translateY(-1px); filter: brightness(1.03); }
.product-ad a:focus-visible { outline: 3px solid #ffe082; outline-offset: 2px; }

.product-ad a p { margin: 0; font-weight: 800; } /* inside anchor note */

footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Focus for all interactive elements (if any) */
a:focus-visible {
  outline: 3px solid #ffe082;
  outline-offset: 2px;
}

@media (min-width: 720px) {
  main { padding: 3rem 2rem; min-height: calc(100vh - 140px); }
  .image-frame { border-radius: 18px; }
}

@media (min-width: 960px) {
  .product-ad { width: 720px; }
  .product-ad h3 { font-size: 1.05rem; }
}