/* Mobile-first cyberpunk landing: brown metallic with frosted glass, silver accents */

:root {
  --bg1: #2a1b12;
  --bg2: #3a2a1a;
  --metal: #cbd6e3;
  --glass: rgba(255,255,255,.14);
  --glass-border: rgba(230,240,255,.4);
  --shadow: 0 6px 20px rgba(0,0,0,.5);
  --glow: 0 0 8px rgba(0,255,255,.35);
}

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

html, body { height: 100%; }
body {
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  color: #e9f2ff;
  background: linear-gradient(135deg, #2a1b12 0%, #3a2a1a 50%, #1e1410 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

/* Frosted glass + subtle metallic sheen for hero frame */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  width: 100%;
}

.image-frame {
  width: 100%;
  max-width: 1100px;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(220,235,255,.4);
  box-shadow: 0 20px 60px rgba(0,0,0,.5), inset 0 1px rgba(255,255,255,.15);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  position: relative;
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.0) 40%, rgba(255,255,255,.08) 60%, rgba(0,0,0,.25) 100%);
  mix-blend-mode: overlay;
  pointer-events: none;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) brightness(0.98);
}

/* Footer with a prominent CTA styled as a silver button */
footer {
  padding: 1rem;
  width: 100%;
  display: grid;
  justify-items: center;
  background: linear-gradient(to top, rgba(0,0,0,.25), rgba(0,0,0,0));
  color: #dbe6f7;
}

.product-ad {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem;
  border-radius: 999px;
  background: rgba(15,15,15,.55);
  border: 1px solid rgba(220,240,255,.55);
  box-shadow: 0 6px 20px rgba(0,0,0,.6), inset 0 1px rgba(255,255,255,.18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  margin: 0 auto;
}

.product-ad h3 {
  font-size: 0.95rem;
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: #f0f6ff;
}

.product-ad a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .55rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  color: #e8fbff;
  background: linear-gradient(#1f232d, #151923);
  border: 1px solid rgba(200,220,255,.6);
  box-shadow: 0 2px 6px rgba(0,0,0,.6);
  font-weight: 600;
}
.product-ad a:hover {
  transform: translateY(-1px);
  background: linear-gradient(#232834, #1a1f28);
}
.product-ad a:focus-visible {
  outline: 2px solid #6ef0ff;
  outline-offset: 2px;
  border-radius: 999px;
}

.product-ad p {
  margin: 0;
  padding: 0;
  display: inline;
  font-weight: 600;
  color: #e2f4ff;
  /* keep text within the CTA; text is inside the anchor element */
}

/* Accessible focus for links */
a:focus-visible { outline: 2px solid #6ef0ff; outline-offset: 2px; border-radius: 6px; }

/* Responsive tweaks */
@media (min-width: 600px) {
  .image-frame { border-radius: 20px; }
  .product-ad { padding: .75rem 1rem; }
}

@media (min-width: 900px) {
  :root { font-size: 18px; }
  .image-frame { aspect-ratio: 16 / 9; }
  .product-ad h3 { font-size: 1rem; }
}