/* Cyberpunk hacker landing: green metallic sheen, violet accents, frosted glass, mobile-first */

:root {
  --text: #e8e6ff;
  --glass: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.18);
  --violet: #8a2be2;
  --violet-dark: #5a0d66;
  --green: #2bd18a;
  --green-dark: #0f6b45;
  --focus: 0 0 0 4px rgba(119, 255, 224, 0.65);
}

*,
*::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;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: #02140d;
  /* green metallic gradient base */
  background-image:
    radial-gradient(circle at 20% 0%, rgba(0,255,170,.12), transparent 25%),
    radial-gradient(circle at 80% 10%, rgba(128,0,255,.12), transparent 25%),
    linear-gradient(135deg, rgba(2,48,18,.95) 0%, rgba(6,60,25,.95) 60%, rgba(3,20,14,.95) 100%);
  background-blend-mode: screen, screen, normal;
}

/* moving green sheen overlay for metallic feel */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}
body::before {
  background: linear-gradient(120deg, rgba(0,255,170,.12) 0%, rgba(0,255,170,.02) 40%, rgba(0,0,0,0) 60%);
  mix-blend-mode: overlay;
  animation: sheen 8s linear infinite;
}
body::after {
  background: radial-gradient(circle at 60% 25%, rgba(0,255,150,.08), transparent 30%),
              radial-gradient(circle at 20% 70%, rgba(120,0,180,.08), transparent 30%);
  mix-blend-mode: overlay;
  animation: drift 12s linear infinite;
}
@keyframes sheen { 0% { transform: translateX(-2%); } 100% { transform: translateX(2%); } }
@keyframes drift { 0% { transform: translateY(0); } 50% { transform: translateY(-2%); } 100% { transform: translateY(0); } }

main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  flex: 1 0 auto;
}

.image-frame {
  width: min(100%, 720px);
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
}

footer {
  width: 100%;
  padding: 1.25rem 1rem 2rem;
  display: flex;
  justify-content: center;
  border-top: 1px solid rgba(255,255,255,.08);
}
.product-ad {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
}
.product-ad h3 {
  margin: 0;
  font-size: 0.95rem;
  color: #d7ffe6;
  font-weight: 600;
  letter-spacing: .3px;
}
.product-ad a {
  display: inline-block;
  text-decoration: none;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(120,0,180,.95), rgba(0,255,170,.95));
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(0,0,0,.32); }
.product-ad a:focus-visible { outline: none; box-shadow: 0 0 0 4px rgba(119, 255, 224, 0.65); }

@media (min-width: 640px) {
  .image-frame { border-radius: 24px; }
  .product-ad { font-size: 1rem; }
}

@media (min-width: 1024px) {
  main { padding: 3rem 2rem; }
  .image-frame { max-width: 860px; }
}