* { box-sizing: border-box; padding: 0; margin: 0; }

:root {
  --bg1: #556b2f;
  --bg2: #6b8e3e;
  --bg3: #d97706;
  --turq: #2ee8e3;
  --fg: #eaffff;
  --glass: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.25);
  --focus: #2ee8d7;
  --shadow: 0 14px 40px rgba(0,0,0,.25);
}

html, body { height: 100%; }

body {
  min-height: 100dvh;
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: var(--fg);
  /* olive sunset gradient background with turquoise accents for hacker vibe */
  background: linear-gradient(135deg, var(--bg1) 0%, var(--bg2) 40%, var(--bg3) 100%);
  background-attachment: fixed;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.image-frame {
  width: min(92vw, 860px);
  padding: 1rem;
  border-radius: 22px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.22);
  backface-visibility: hidden;
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  backdrop-filter: blur(8px) saturate(120%);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(0,0,0,.15);
  image-rendering: auto;
}

footer {
  width: 100%;
  padding: 1rem 0;
  display: grid;
  place-items: center;
  background: linear-gradient(to top, rgba(0,0,0,.25), rgba(0,0,0,.05));
  color: rgba(234,255,255,.95);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,.15);
}

.product-ad {
  padding: .6rem 1rem;
  border-radius: 12px;
  background: rgba(15, 24, 40, 0.55);
  border: 1px solid rgba(125, 255, 230, 0.25);
  display: inline-block;
  text-align: center;
  margin-bottom: .75rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.product-ad h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: .5px;
  margin-bottom: .25rem;
}

.product-ad a {
  display: inline-block;
  padding: .5rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  color: #d6fffb;
  background: rgba(46, 232, 214, 0.25);
  border: 1px solid rgba(46, 232, 214, 0.6);
  transition: transform .2s ease, background .2s;
}
.product-ad a:hover {
  transform: translateY(-1px);
  background: rgba(46, 232, 214, 0.45);
}
.product-ad a:focus-visible, a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 999px;
}

footer p {
  margin: .25rem 0 0;
  color: rgba(234,255,255,.9);
  font-size: .9rem;
}

@media (min-width: 768px) {
  main { padding: 3rem 2rem; }
  .image-frame { padding: 1.25rem; }
  .image-frame img { border-radius: 18px; }
  footer { padding: 1.25rem 0; }
}

@media (min-width: 1024px) {
  body { background-size: cover; }
  .image-frame { transform: scale(1.02); }
}