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

html, body { height: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: #1a1a1a;
  background: #f7f2e1;
  background-image:
    linear-gradient(rgba(0,0,0,.02), rgba(0,0,0,.02)),
    linear-gradient(90deg, rgba(0,0,0,.02) 1px, transparent 1px);
  background-size: 60px 60px, 60px 60px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* frosted glass utility */
.frost { background: rgba(255,255,255,.18); backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.65);
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(0,0,0,.25);
}

/* hero image frame (parchment + neon hints) */
.image-frame {
  width: min(92vw, 960px);
  margin: 40px auto;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.65);
  box-shadow: 0 14px 40px rgba(0,0,0,.25);
}

/* image inside frame */
.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* footer and ad card */
footer {
  padding: 26px 16px;
  text-align: center;
  color: #3a3a3a;
}

/* product ad card (CTA) */
.product-ad {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: 12px;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.65);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8),
              0 6px 20px rgba(0,0,0,.18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .4px;
  color: #111;
}

/* CTA button */
.product-ad a {
  text-decoration: none;
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffd400 0%, #ffbf00 100%);
  color: #1a1a1a;
  font-weight: 700;
  border: 1px solid rgba(0,0,0,.15);
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
  transition: transform .18s ease, box-shadow .18s ease;
}
.product-ad a:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0,0,0,.25); }
.product-ad a:focus-visible {
  outline: 3px solid #ffd400;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(0,0,0,.12);
}

/* copyright text */
footer > p { margin: 12px 0 0; font-size: .9rem; color: #555; }

/* responsive, mobile-first tweaks */
@media (min-width: 768px) {
  .image-frame { width: min(60vw, 860px); padding: 22px; }
  .product-ad { flex-direction: row; gap: 16px; align-items: center; padding: 16px 22px; }
  .product-ad h3 { font-size: 1.05rem; }
  footer { padding: 32px 16px; }
}

@media (min-width: 1024px) {
  body { background-attachment: fixed; }
  .image-frame { margin: 64px auto; }
}