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

:root {
  --yellow: #ffd400;
  --bg: #0b0b16;
  --card: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.25);
  --text: #eae6ff;
}

html, body { height: 100%; }
html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  /* violet diagonal lines background + subtle hacker glow */
  background-image:
    linear-gradient(135deg, rgba(26,0,60,.95), rgba(16,0,40,.95)),
    repeating-linear-gradient(-45deg,
      rgba(180, 0, 255, .25) 0 8px,
      rgba(180, 0, 255, 0) 8px 16px);
  background-blend-mode: overlay;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.image-frame {
  width: min(92vw, 720px);
  border-radius: 20px;
  padding: 1rem;
  background: rgba(255, 255, 255, .08); /* frosted glass base */
  border: 1px solid var(--border);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  box-shadow: 0 12px 40px rgba(0,0,0,.45);
}

.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 2px solid rgba(255,255,255,.25);
  /* subtle neon edge for cyberpunk feel */
  box-shadow: 0 0 14px rgba(255, 215, 0, .25);
}

footer {
  width: 100%;
  margin-top: 2rem;
  padding: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  color: #e8dfff;
}

.product-ad {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: .6rem 1rem;
  border-radius: 12px;
  background: rgba(0,0,0,.25);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  border: 1px solid rgba(255,255,255,.25);
}

.product-ad h3 {
  margin: 0;
  font-size: .95rem;
  font-weight: 700;
  color: var(--yellow);
  text-shadow: 0 0 8px rgba(255, 212, 0, .8);
  letter-spacing: .5px;
}

.product-ad a {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  padding: .55rem 1rem;
  border-radius: 9px;
  /* bright hacker-yellow button */
  background: linear-gradient(135deg, #ffd400 0%, #ffcf00 100%);
  color: #1a0f00;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(0,0,0,.25);
  border: 1px solid rgba(0,0,0,.15);
}
.product-ad a:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}
.product-ad a p {
  margin: 0;
  padding: 0;
  color: inherit;
}

/* Footer small text line */
footer p {
  text-align: center;
  margin: .25rem 0 0;
  font-size: .9rem;
  color: #d8cfff;
}

.image-frame:hover {
  box-shadow: 0 18px 60px rgba(0,0,0,.6), 0 0 40px rgba(255,215,0,.25);
}

@media (min-width: 640px) {
  main { padding: 3rem 2rem; }
  .image-frame { padding: 1.5rem; }
}

@media (min-width: 1024px) {
  .image-frame { width: 720px; }
  footer { padding-bottom: 2rem; }
}