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

:root {
  --bg: #04131a;
  --line: rgba(0, 235, 255, 0.25);
  --grid: rgba(0, 255, 255, 0.22);
  --coral: #ff6f61;
  --coral-dark: #e65a49;
  --fg: #eaffff;
  --glass: rgba(12, 20, 32, 0.6);
  --shadow: 0 8px 26px rgba(0,0,0,.45);
}

html, body { height: 100%; }

body {
  margin: 0;
  padding: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: #eaffff;
  background: var(--bg);
  /* Cyan grid paper background */
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  min-height: 100%;
}

main {
  padding: 28px 16px;
  display: grid;
  place-items: center;
}

.image-frame {
  width: min(92vw, 720px);
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(12, 20, 32, 0.6);
  border: 1px solid rgba(0, 255, 255, 0.28);
  backdrop-filter: saturate(120%) blur(6px);
  -webkit-backdrop-filter: saturate(120%) blur(6px);
  box-shadow: var(--shadow);
}

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

footer {
  margin-top: 28px;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: #c8ffff;
  background: linear-gradient(to bottom, rgba(4,10,18,0.8), rgba(4,10,18,0.4));
}

.product-ad {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(12, 22, 34, 0.6);
  border: 1px solid rgba(0, 255, 255, 0.28);
  backdrop-filter: saturate(120%) blur(6px);
  -webkit-backdrop-filter: saturate(120%) blur(6px);
}
.product-ad h3 {
  font-size: 1rem;
  margin: 0;
  color: #eaffff;
}
.product-ad a { text-decoration: none; }
.product-ad a p {
  margin: 0;
  color: #fff;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(#ff7b64, #ff5b3a);
  box-shadow: 0 6px 16px rgba(255,111,97,0.6);
}
footer p { margin: 0; font-size: 0.92rem; color: #a6f0ff; }

/* Focus styles for accessibility */
a:focus-visible, button:focus-visible {
  outline: 3px solid #00e5ff;
  outline-offset: 2px;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}