/* Frosted glass cyberpunk landing page - single stylesheet */

/* Light reset & base tokens */
:root{
  --bg: #0b0f2a;            /* deep indigo background */
  --card: rgba(255,255,255,0.08);
  --border: rgba(0,255,255,0.38);
  --text: #e6fbff;
  --cyan: #00e6ff;
  --cyan-dark: #00b8d6;
  --shadow: 0 12px 40px rgba(0,0,0,.45);
  --blur: 8px;
}

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

/* Mobile-first base */
html, body { height: 100%; }
html { font-synthesis: none; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  padding: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.5;
  background-image:
    radial-gradient(circle at 20% -10%, rgba(0,255,255,.15), transparent 40%),
    radial-gradient(circle at 100% 10%, rgba(0,255,255,.10), transparent 40%);
  background-size: cover;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 1rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Layout containers */
main {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 4vmin 0;
  display: grid;
  place-items: center;
}

.image-frame {
  width: min(96vw, 1040px);
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow);
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.image-frame:before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 20px;
  padding: 2px;
  background: linear-gradient(45deg, rgba(0,255,255,.28), rgba(0,0,0,0) 60%);
  pointer-events: none;
  mix-blend-mode: overlay;
}
.image-frame:after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(0,255,255,.08) 0px,
    rgba(0,255,255,.08) 2px,
    transparent 2px,
    transparent 4px
  );
  opacity: 0.25;
  pointer-events: none;
  mix-blend-mode: overlay;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.02);
  transition: transform .4s ease;
}
.image-frame:hover img {
  transform: scale(1.04);
}

/* Footer / CTA cluster (prominent CTA styling) */
footer {
  width: 100%;
  padding: 1.5rem 0 2rem;
  display: grid;
  place-items: center;
}
.product-ad {
  width: min(92vw, 520px);
  padding: 1rem 1.25rem;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(0,255,255,.38);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 6px 24px rgba(0,0,0,.25);
}
.product-ad h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: #c9fbff;
}
.product-ad a {
  display: inline-block;
  padding: 0.65rem 1.05rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  color: #002033;
  background: linear-gradient(135deg, #12f2ff 0%, #00d3ff 100%);
  border: 1px solid rgba(0, 255, 255, 0.6);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 255, 255, 0.6);
}
.product-ad a:focus-visible {
  outline: 3px solid #00ffe4;
  outline-offset: 3px;
}
footer p {
  margin: 0.75rem 0 0;
  text-align: center;
  color: #aabbd0;
  font-size: 0.9rem;
}

/* Focus + accessibility helpers for keyboard users */
:focus-visible {
  outline: 3px solid #00ffe4;
  outline-offset: 2px;
  border-radius: 6px;
}
a, button {
  -webkit-tap-highlight-color: transparent;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .image-frame { width: 100%; }
  .product-ad { width: calc(100% - 2rem); }
}
@media (min-width: 1024px) {
  main { padding: 6vmin 0; }
}