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

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

:root {
  --green: #2bdc82;
  --green-dark: #0f9e59;
  --text: #eafff5;
  --glass: rgba(255,255,255,0.08);
  --glass-border: rgba(0,0,0,0.25);
  --shadow: rgba(0,0,0,0.5);
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(135deg, rgba(43, 255, 160, 0.08) 0%, rgba(43,255,160,0.02) 40%, rgba(0,0,0,0) 70%),
    linear-gradient(180deg, #041a0b 0%, #04110a 100%),
    repeating-linear-gradient(45deg, rgba(0,255,128,.08) 0 6px, transparent 6px 12px);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.image-frame {
  width: min(92vw, 1100px);
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(5, 60, 25, 0.6);
  border: 1px solid rgba(0, 255, 128, 0.45);
  display: block;
  margin: 0 auto;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow:
    inset 0 0 40px rgba(0, 255, 128, 0.25),
    0 20px 40px rgba(0, 0, 0, 0.5);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

footer {
  padding: 1.5rem 1rem;
  text-align: center;
}

/* Frosted glass CTA area in the footer region */
.product-ad {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  margin: 0.5rem 0 0.25rem;
  background: rgba(0,0,0,0.28);
  border: 1px solid rgba(0, 255, 128, 0.4);
  border-radius: 10px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.product-ad h3 {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #b8ffd3;
  font-weight: 700;
}

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

.product-ad a p {
  margin: 0;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #31e48a, #0cbf65);
  color: #041f11;
  font-weight: 700;
  border: 1px solid rgba(0,0,0,.15);
  box-shadow: 0 6px 14px rgba(0,0,0,.25), 0 0 12px rgba(49,228,138,.8);
  transition: transform 0.2s ease;
  display: inline-block;
}

.product-ad a p:hover {
  transform: translateY(-1px);
}

.product-ad a:focus-visible {
  outline: 3px solid #9dffbf;
  outline-offset: 2px;
}

/* Accessibility: ensure focus ring for any focusable element in the page */
a:focus-visible {
  outline: 3px solid #9dffbf;
  outline-offset: 2px;
}

@media (min-width: 768px) {
  .image-frame { border-radius: 20px; }
  .product-ad h3 { font-size: 0.85rem; }
}

@media (min-width: 1024px) {
  main { padding: 3rem 2rem; }
  .product-ad h3 { font-size: 0.9rem; }
}