:root {
  --bg: #041012;
  --bg-2: #041b12;
  --text: #eafff0;
  --muted: #bde9c3;
  --accent: #a3ff5a;
  --accent-2: #7dff44;
  --card: rgba(10, 255, 180, 0.14);
  --card-2: rgba(10, 255, 180, 0.22);
  --border: rgba(0, 0, 0, 0.25);
  --shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
  --focus: 0 0 0 3px rgba(163, 255, 90, 0.6);
}

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

html, body { height: 100%; }

html {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Helvetica Neue", sans-serif;
  font-size: clamp(14px, 1.4vw, 16px);
  color: var(--text);
  background: #000;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100%;
  /* Layered backdrop: gradient + scanlines + soft neon glow */
  background-image:
    radial-gradient(circle at 20% 0%, rgba(0,255,120,0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 10%, rgba(120,255,140,0.08) 0%, transparent 40%),
    linear-gradient(135deg, #040f0a 0%, #021014 40%, #041014 100%),
    repeating-linear-gradient(to bottom,
      rgba(0,255,140,0.04) 0px, rgba(0,255,140,0.04) 2px, transparent 2px, transparent 4px);
  background-blend-mode: screen, screen, normal, overlay;
}

header { padding: 2rem 1rem; text-align: center; }

header h1 {
  margin: 0.25rem auto;
  font-size: clamp(1.6rem, 3.2vw + 0.5rem, 2.8rem);
  line-height: 1.15;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .3px;
}

nav { margin-top: .75rem; }

nav a {
  color: var(--accent-2);
  text-decoration: none;
  padding: .5rem .75rem;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,.25);
  background: rgba(0,0,0,.25);
}
nav a:hover, nav a:focus-visible {
  text-decoration: underline;
  outline: none;
}
main { display: block; }
.container { width: 100%; max-width: clamp(320px, 86vw, 1200px); margin-inline: auto; padding: 1rem; }

.image-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,.25);
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
  background: #000;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.05);
  will-change: transform;
  transition: transform .3s ease;
}
.image-frame:hover img { transform: scale(1.02); }

.content { padding: 0.75rem 0; }

footer {
  padding: 1.25rem;
  display: grid;
  gap: .75rem;
  place-items: center;
  color: var(--text);
  text-align: center;
}

/* Glass panels (with fallback) */
.product-ad,
.sponsored-page {
  width: min(720px, 90%);
  padding: .75rem;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.35);
  background: rgba(5, 10, 12, 0.28);
  box-shadow: var(--shadow);
  text-align: center;
  backdrop-filter: blur(8px);
}
@supports not (backdrop-filter: blur(8px)) {
  .product-ad,
  .sponsored-page { background: rgba(5, 10, 12, 0.66); }
}
.product-ad a { color: var(--text); text-decoration: none; display: inline-block; padding: .5rem 1rem; border-radius: 6px; border: 1px solid rgba(0,0,0,.25); background: rgba(0,0,0,.25); }
.product-ad a:hover, .product-ad a:focus-visible { text-decoration: underline; }

.sponsored-page a { color: var(--text); text-decoration: none; display: inline-block; padding: .5rem 1rem; border-radius: 6px; border: 1px solid rgba(0,0,0,.25); background: rgba(0,0,0,.25); }
.sponsored-page a:hover, .sponsored-page a:focus-visible { text-decoration: underline; }

/* Interactive controls */
a, button, .btn, .cta {
  color: var(--text);
  text-decoration: none;
  border: 1px solid rgba(0,0,0,.25);
  background: rgba(0,0,0,.25);
  padding: .5rem 1rem;
  border-radius: 6px;
  display: inline-block;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
a:hover, button:hover, .btn:hover, .cta:hover,
a:focus-visible, button:focus-visible, .btn:focus-visible, .cta:focus-visible {
  text-decoration: underline;
  outline: none;
}
a:focus-visible, button:focus-visible, .btn:focus-visible, .cta:focus-visible {
  box-shadow: var(--focus);
  transform: translateY(-1px);
  outline: none;
}
.btn { font-weight: 600; }

.btn--solid {
  background: linear-gradient(135deg, rgba(30, 255, 150, 0.95), rgba(0, 255, 140, 0.9));
  border: 1px solid rgba(0,0,0,.2);
  color: #041;
}
.btn--outline {
  background: rgba(0,0,0,.2);
  border: 1px solid rgba(120,255,100,.8);
  color: var(--text);
}
.cta { font-weight: 700; }

/* Utility grids and cards */
ul, li { margin: 0; padding: 0; list-style: none; }
ul li { padding-left: 1.2rem; }

.container .grid { display: grid; gap: 1rem; }
@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
}
.card {
  background: var(--card);
  border: 1px solid rgba(0,0,0,.25);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
}
.tag {
  display: inline-block;
  padding: .25rem .5rem;
  border-radius: 999px;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(0,0,0,.25);
  font-size: .75rem;
  color: var(--muted);
}

/* Layout helpers (if used) */
aside { display: none; }

/* Accessibility: respect user motion preference */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .btn, a { transition: none; }
}

/* Print styles */
@media print {
  body { background: #fff; color: #000; }
  a { text-decoration: underline; }
}