*,
*::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, "Helvetica Neue", Arial;
  color: #1b1b1b;
  background-color: #f6ecd8; /* beige base */
  background-image:
    radial-gradient(rgba(0,0,0,.04) 1px, transparent 1px),
    radial-gradient(rgba(255,0,255,.08) 1px, transparent 1px);
  background-size: 6px 6px, 24px 24px;
  background-position: 0 0, 0 0;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  isolation: isolate;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .25;
  mix-blend-mode: overlay;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0,0,0,.04) 1px, transparent 1px),
    radial-gradient(circle at 3px 2px, rgba(0,0,0,.04) 1px, transparent 1px);
  background-size: 4px 4px, 8px 8px;
  z-index: 0;
}

main {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: 60vh;
}

.image-frame {
  width: min(92vw, 720px);
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255,255,255,.22);
  border: 1px solid rgba(255,255,255,.45);
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  position: relative;
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  filter: saturate(1.05);
}

footer {
  position: relative;
  z-index: 1;
  padding: 2rem 1rem;
  display: grid;
  gap: .75rem;
  justify-items: center;
  color: #2f2a2a;
  background: linear-gradient(#f6efe0, #efe0ca);
  border-top: 1px solid rgba(0,0,0,.05);
}

.product-ad {
  display: grid;
  gap: .5rem;
  align-items: center;
  justify-items: center;
  padding: .75rem 1rem;
  border-radius: 14px;
  background: rgba(255, 0, 180, .15);
  border: 1px solid rgba(255, 0, 180, .4);
  box-shadow: 0 8px 24px rgba(255,0,180,.25);
  width: min(92vw, 420px);
  text-align: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  color: #3d1b3d;
  letter-spacing: .2px;
}

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

.product-ad p {
  margin: 0;
  padding: .6rem 1.2rem;
  border-radius: 999px;
  background: #ff0bd3;
  color: #fff;
  font-weight: 700;
  display: inline-block;
  transition: transform .2s ease, background .2s ease;
}
.product-ad p:hover {
  transform: translateY(-1px);
  background: #ff38d1;
}
.product-ad p:focus-visible, a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
  border-radius: 999px;
}

footer p {
  margin: 0;
  color: #6b5757;
  font-size: .9rem;
  opacity: .95;
}

@media (min-width: 600px) {
  main { padding: 3rem 2rem; }
  .image-frame { border-radius: 28px; }
  .product-ad { padding: 1rem 1.25rem; }
}

@media (min-width: 900px) {
  body { background-position: center; }
  main { padding: 4rem; }
  .image-frame { width: min(720px, 80vw); }
  footer { padding-bottom: 3rem; }
}