/* Simple, mobile-first CSS for a blue parchment, hacker-cyberpunk landing */

:root{
  --bg1: #0a1a2b;
  --bg2: #0b2a58;
  --card: rgba(255,255,255,.08);
  --card-border: rgba(255,255,255,.22);
  --text: #f6fbff;
  --cta: #e6fbff;
  --focus: 0 0 0 4px rgba(110,230,255,.6);
  --shadow: 0 12px 40px rgba(0,0,0,.45);
}

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

html, body { height: 100%; }
html { -webkit-font-smoothing: antialiased; }
body {
  margin: 0;
  padding: 0;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  background: linear-gradient(135deg, rgba(9,22,58,.95) 0%, rgba(15,45,96,.95) 60%, rgba(9,22,58,.95) 100%);
  background-image:
    radial-gradient(circle at 20% -10%, rgba(0,180,255,.12) 0 20px, transparent 21px),
    radial-gradient(circle at 80% 0%, rgba(0,180,255,.08) 0 30px, transparent 31px),
    repeating-linear-gradient(45deg, rgba(255,255,255,.04) 0 2px, transparent 2px 6px);
  background-blend-mode: overlay;
  min-height: 100vh;
}

main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 180px);
}

.image-frame {
  width: 100%;
  max-width: 760px;
  border-radius: 14px;
  padding: 1rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.22);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  overflow: hidden;
}

.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  filter: saturate(1.05);
}

footer {
  margin-top: 2rem;
  padding: 1.75rem;
  text-align: center;
  color: #eaf6ff;
  background: rgba(0,0,0,.18);
  border-top: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.product-ad {
  display: inline-block;
  padding: .5rem .75rem;
  border-radius: 999px;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(255,255,255,.22);
  box-shadow: inset 0 0 8px rgba(0,0,0,.4);
  margin-bottom: .75rem;
}

.product-ad h3 {
  font-size: .95rem;
  margin: 0;
  font-weight: 700;
  color: #e8fbff;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-shadow: 0 0 6px rgba(0,255,230,.9);
}

.product-ad a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .55rem .95rem;
  border-radius: 999px;
  color: #041021;
  background: linear-gradient(135deg, #a8f0ff 0%, #70eaff 100%);
  border: 1px solid rgba(255,255,255,.9);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: .08em;
  box-shadow: 0 6px 12px rgba(0,0,0,.25);
  transition: transform .15s ease, box-shadow .15s ease;
}
.product-ad a:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(0,0,0,.35);
}
.product-ad a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(110,230,255,.6);
}

.product-ad a p { margin: 0; }

/* Global focus ring for keyboard navigation on focusable elements inside the page */
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 8px;
}

/* Subtle cyberpunk glow on the page title area (if a title exists via external HTML) */
@media (min-width: 768px) {
  main { padding: 3rem 2rem; }
  .image-frame { max-width: 860px; border-radius: 18px; padding: 1.25rem; }
}