/* Hacker/cyberpunk, green neon, frosted glass, mobile-first, single stylesheet */

/* Light reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { padding: 0; margin: 0; height: 100%; }
:root {
  --bg: #0b0f12;
  --surface: rgba(16, 22, 20, 0.65);
  --surface-2: rgba(18, 25, 22, 0.6);
  --green: #39ff9a;
  --green-dark: #0f8a50;
  --text: #eafff0;
  --muted: #b6f2d3;
  --glow: 0 0 12px rgba(57,255,154,.75);
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  line-height: 1.5;
  position: relative;
}

/* Gray abstract blur background - decorative layer */
body::before {
  content: "";
  position: fixed;
  inset: -20vmax;
  background:
    radial-gradient(circle at 25% 15%, rgba(80,80,80,.40) 0 25%, transparent 25%),
    radial-gradient(circle at 70% 60%, rgba(0,0,0,.28) 0 40%, transparent 40%),
    linear-gradient(#0b0f12, #0b0f12);
  filter: blur(60px);
  z-index: -1;
  pointer-events: none;
}

/* Global typography helpers */
h1, h2, h3 { margin: 0 0 .25rem 0; }
p { margin: 0; }

/* Layout containers (styled via existing HTML elements) */
header {
  padding: 2.25rem 1rem 1rem;
  text-align: center;
  position: relative;
}
header h1 {
  font-weight: 800;
  font-size: clamp(1.8rem, 2.6vw + 1rem, 3.2rem);
  color: #e7ffef;
  text-shadow: 0 0 14px rgba(57,255,154,.75);
  letter-spacing: .3px;
}
main {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 1rem 1.5rem;
}
.image-frame {
  width: min(92vw, 760px);
  padding: 1rem;
  margin: 1rem auto;
  border-radius: 16px;
  background: rgba(12, 16, 20, 0.55);
  border: 1px solid rgba(57, 255, 154, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 20px 40px rgba(0,0,0,.25);
}
.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid rgba(57,255,154,.6);
}
footer {
  padding: 1.5rem 1rem 2rem;
  text-align: center;
  background: transparent;
}
.product-ad {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: .8rem 1rem;
  border-radius: 12px;
  background: rgba(8,12,14,.6);
  border: 1px solid rgba(57,255,154,.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  margin: 0 auto 0.75rem;
}
.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  color: #d9ffd9;
}
.product-ad a {
  display: inline-block;
  text-decoration: none;
  padding: .55rem 1.05rem;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(57,255,154,.95) 0%, rgba(0,200,120,.95) 100%);
  color: #04220f;
  font-weight: 700;
  border: 1px solid rgba(57,255,154,.9);
  transition: transform .15s ease, box-shadow .2s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
}
.product-ad a:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0,0,0,.28);
}
.product-ad a:focus-visible {
  outline: 2px solid #00ff88;
  outline-offset: 2px;
}
footer p {
  margin: 0.25rem 0 0;
  color: #a9ffd6;
  font-size: .9rem;
  opacity: .9;
}

/* Focus visibility for accessibility on all interactive elements by default */
a, button {
  outline: none;
}
a:focus-visible, button:focus-visible {
  outline: 2px solid #00ff88;
  outline-offset: 2px;
  border-radius: 6px;
}

/* Responsive tweaks */
@media (min-width: 640px) {
  header { padding-top: 2.5rem; }
  .image-frame { padding: 1.25rem; }
}
@media (min-width: 1024px) {
  main { padding: 2rem 0 2.5rem; }
  .image-frame { transform: translateZ(0); }
}