:root {
  --bg: #e0fbf7;
  --card: rgba(255, 255, 255, 0.28);
  --orange: #ff7a1a;
  --orange-dark: #d05600;
  --text: #1a1a1a;
}

* { box-sizing: border-box; }

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

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color: var(--text);
  background: var(--bg);
  background-image: radial-gradient(circle at 10px 10px, rgba(255,255,255,.75) 2px, transparent 2px);
  background-size: 20px 20px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: grid;
  place-items: center;
  padding: 1.5rem 1rem;
  min-height: calc(100vh - 120px);
}

.image-frame {
  width: min(92vw, 720px);
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.5);
  display: grid;
  place-items: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  backdrop-filter: saturate(1.05);
  -webkit-backdrop-filter: saturate(1.05);
}

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

footer {
  padding: 1.25rem;
  text-align: center;
}

.product-ad {
  display: inline-block;
  text-align: left;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #0a1c17;
  max-width: calc(100% - 2rem);
}

.product-ad h3 {
  font-size: 0.95rem;
  margin: 0 0 0.25rem;
  color: #0b2e28;
}

.product-ad a {
  display: inline-block;
  text-decoration: none;
  margin-top: 0.25rem;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  background: var(--orange);
  color: #1a140f;
  font-weight: 700;
  border: 1px solid rgba(0,0,0,0.15);
  box-shadow: 0 4px 0 rgba(0,0,0,0.15), 0 0 12px rgba(255,122,26,0.6);
  transition: transform 0.08s ease, box-shadow 0.2s ease;
}

.product-ad a:hover, .product-ad a:focus {
  transform: translateY(-1px);
  outline: none;
  box-shadow: 0 6px 14px rgba(255,122,26,0.9);
}

.product-ad a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
}

footer p {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: rgba(0,0,0,0.75);
}

@media (min-width: 600px) {
  main { padding: 2rem 0; }
  .image-frame { width: min(80vw, 900px); }
}