/* Minimal reset and CSS for a turbocharged cyberpunk landing page */

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

html, body {
  height: 100%;
}

:root {
  --navy: #0b1b2a;
  --navy-dark: #08101d;
  --turq: #2ff0e6;
  --turq-ink: #0dcbd3;
  --silver: #d8e6f5;
  --glass: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
  --text: #eaf4ff;
  --muted: #b8c9e8;
  --radius: 14px;
  --shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
  --glow: 0 0 14px rgba(47, 240, 230, 0.75);
}

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Helvetica Neue", sans-serif;
  line-height: 1.5;
  min-height: 100vh;

  /* Turquoise metallic sheen + navy hacker vibe */
  background:
    radial-gradient(circle at 20% 0%, rgba(0, 255, 230, 0.25), transparent 40%),
    radial-gradient(circle at 100% 0%, rgba(0, 180, 255, 0.15), transparent 40%),
    linear-gradient(135deg, #051428 0%, #0b1b2a 60%, #041226 100%);
  background-blend-mode: screen, screen, normal;
  /* subtle cyber-sheen stripes */
  background-image:
    radial-gradient(circle at 20% 0%, rgba(0,255,235,.25) 0 40%, rgba(0,0,0,0) 40%),
    repeating-linear-gradient(45deg,
      rgba(0,0,0,.04) 0px,
      rgba(0,0,0,.04) 2px,
      rgba(0,0,0,0) 2px,
      rgba(0,0,0,0) 6px);
  background-size: cover;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout container (mobile-first) */
main {
  display: grid;
  place-items: center;
  padding: 2rem 1rem 0;
  min-height: 60vh;
}

/* Frosted glass image frame / hero */
.image-frame {
  width: min(92vw, 720px);
  aspect-ratio: 16 / 9;
  border-radius: 18px;
  overflow: hidden;
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: saturate(1.25) blur(8px);
  -webkit-backdrop-filter: saturate(1.25) blur(8px);
  box-shadow: var(--shadow);
}

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

/* Footer / product ad area with frosted glass feel */
footer {
  margin-top: 2rem;
  padding: 1.75rem 1rem 2rem;
  text-align: center;
  color: var(--text);
  background: linear-gradient(to bottom, rgba(2, 6, 20, 0.0), rgba(2, 6, 20, 0.25) 60%);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.product-ad {
  display: grid;
  gap: 0.5rem;
  justify-items: center;
  padding: 0.75rem;
  width: min(92%, 700px);
  margin: 0 auto 1rem;
  border-radius: 12px;
  background: rgba(3, 18, 32, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px) saturate(1.3);
  -webkit-backdrop-filter: blur(6px) saturate(1.3);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
  color: var(--text);
}

.product-ad h3 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: .3px;
  margin: 0.2rem 0;
}

.product-ad a {
  text-decoration: none;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .8rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  color: #041b2a;
  background: linear-gradient(135deg, rgba(42, 241, 230, 0.95), rgba(0, 207, 230, 0.95) 60%, rgba(0, 128, 205, 0.85));
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 0 6px 14px rgba(0,0,0,.25);
  text-shadow: 0 1px 0 rgba(255,255,255,.25);
  transition: transform .15s ease, box-shadow .2s ease;
  cursor: pointer;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(0,0,0,.32);
}

.cta:focus-visible {
  outline: 3px solid #2fe6ff;
  outline-offset: 2px;
}

@media (min-width: 640px) {
  main { padding-top: 3rem; }

  .image-frame {
    width: min(88vw, 860px);
  }

  footer { padding: 2rem 1rem; }

  .product-ad h3 { font-size: 1.25rem; }
}