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

:root {
  --turq: #2be0cc;
  --turq-dark: #10b8a9;
  --silver: #c9c9c9;
  --bg: #0b0f14;
  --text: #e7faff;
  --glass: rgba(255,255,255,.12);
  --glass-border: rgba(255,255,255,.25);
}

html, body { height: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: var(--text);
  background: var(--bg);
  background-image: url("data:image/svg+xml;utf8,\
<svg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'>\
<polyline points='0,30 15,15 30,30 45,15 60,30' fill='none' stroke='%23c9c9c9' stroke-width='2'/>\
<polyline points='0,60 15,45 30,60 45,45 60,60' fill='none' stroke='%23c9c9c9' stroke-width='2'/>\
</svg>");
  background-size: 60px 60px;
  background-repeat: repeat;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

main {
  width: 100%;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  flex: 1 0 auto;
}

.image-frame {
  width: min(92vw, 980px);
  aspect-ratio: 16 / 9;
  border-radius: 22px;
  padding: .75rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 18px 60px rgba(0,0,0,.6), inset 0 0 0 1px rgba(255,255,255,.15);
  overflow: hidden;
  backdrop-filter: blur(6px) saturate(1.2);
  -webkit-backdrop-filter: blur(6px) saturate(1.2);
  position: relative;
  isolation: isolate;
  transition: transform .25s ease;
}
.image-frame::before {
  content: "";
  position: absolute;
  left: -20px;
  top: -20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(0,255,212,.9), transparent 60%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}
.image-frame img {
  width: 100%; height: 100%; object-fit: cover;
  display: block;
  border-radius: 18px;
  z-index: 1;
  position: relative;
  filter: saturate(1.05) contrast(1.05);
}
.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
  pointer-events: none;
}
.image-frame:hover { transform: translateY(-1px); }

.image-frame:focus-within {
  outline: 2px solid var(--turq);
  outline-offset: 4px;
  border-radius: 22px;
}

footer {
  width: 100%;
  padding: 1.75rem 1rem;
  display: grid;
  place-items: center;
  background: linear-gradient(to top, rgba(2,6,20,.95), rgba(2,6,20,.65));
  border-top: 1px solid rgba(0,0,0,.25);
  margin-top: auto;
}

.product-ad {
  display: inline-block;
  padding: .75rem 1rem;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  text-align: center;
  margin-bottom: .75rem;
}
.product-ad h3 {
  font-size: .95rem;
  margin-bottom: .4rem;
  color: #d8feff;
}
.product-ad a { text-decoration: none; display: inline-block; }

.product-ad a p {
  font-weight: 700;
  padding: .65rem 1.1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0,255,255,.25), rgba(0,153,153,.75));
  color: #eaffff;
  border: 1px solid rgba(200,255,255,.9);
  box-shadow: 0 6px 18px rgba(0,255,204,.6);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover p { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(0,255,204,.75); }

.product-ad a:focus-visible { outline: 2px solid var(--turq); outline-offset: 2px; border-radius: 999px; }

footer p { color: #b5d7dc; text-align: center; font-size: .85rem; }

@media (min-width: 640px) {
  main { padding: 3rem 1rem; }
  .image-frame { width: min(92vw, 1100px); }
}
@media (min-width: 1024px) {
  main { padding: 4rem 2rem; }
  footer { padding: 2rem 2rem; }
  .product-ad h3 { font-size: 1.05rem; }
} 

/* Focus-visible for accessibility on all focusable elements */
:focus-visible { outline: 2px solid var(--turq); outline-offset: 2px; border-radius: 4px; }