/* Mineshaft Cyberpunk Landing – CSS (single stylesheet) */
/* Mobile-first, responsive, hacker-neon theme with frosted glass and noise texture */

:root{
  --fg: #d7ffd7;
  --bg: #0b0f0a;
  --green: #2cff89;
  --green-deep: #0a8f4e;
  --glass: rgba(0,0,0,.28);
  --glass-border: rgba(0,255,120,.5);
  --shadow: 0 20px 40px rgba(0,0,0,.4);
}

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

html, body { height: 100%; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
  color: var(--fg);
  background-color: var(--bg);
  /* Light “white noise” texture (crosshatch) for cyberpunk feel */
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 2px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.04) 0 1px, transparent 1px 2px),
    linear-gradient(#0b0f0a, #0b0f0a);
  background-blend-mode: overlay;
}

/* Global reset for margins/padding on content containers (light reset) */
main, footer, .image-frame, .product-ad {
  margin: 0;
  padding: 0;
}

/* Layout: mobile-first, hero centered, with frosted glass framing the image */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: calc(100vh - 140px);
}

.image-frame {
  width: min(92%, 720px);
  padding: 1rem;
  border-radius: 16px;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(0,255,120,.5);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.image-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  outline: none;
}

/* Footer with frosted glass feel and neon-green accents */
footer {
  padding: 1.5rem;
  text-align: center;
  background: rgba(0,0,0,.25);
  border-top: 1px solid rgba(0,255,120,.4);
  color: var(--fg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.product-ad {
  display: inline-block;
  text-align: center;
  padding: .6rem;
  border-radius: 14px;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(0,255,120,.4);
  width: min(92%, 720px);
}

.product-ad h3 {
  margin: 0 0 .25rem;
  font-size: 1.05rem;
  color: #aaffcc;
  text-shadow: 0 0 6px rgba(40,255,180,.9);
}
.product-ad a {
  display: inline-block;
  padding: .75rem 1.25rem;
  border-radius: 999px;
  background: #19e082;
  color: #041f0a;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 6px 14px rgba(25,224,130,.6);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover { transform: translateY(-1px); box-shadow: 0 10px 18px rgba(25,224,130,.8); }
.product-ad a:focus-visible { outline: 2px solid #9cff6b; outline-offset: 2px; }

footer p {
  color: #a8f7c2;
  font-size: .92rem;
  margin-top: .6rem;
}

/* Larger screens: fine-tune spacing for a cyberpunk layout */
@media (min-width: 700px) {
  main { padding: 3rem 2rem; min-height: calc(100vh - 120px); }
  .image-frame { width: 720px; }
  footer { padding: 2rem; }
}