:root {
  --bg: #000000;
  --bg-2: #041012;
  --text: #eafff7;
  --muted: #9ce6cc;
  --accent: #00f5a6;
  --accent-2: #00d2a0;
  --glass: rgba(9, 12, 12, 0.22);
  --glass-fallback: rgba(9, 12, 12, 0.40);
  --border: rgba(0, 255, 180, 0.35);
  --shadow: 0 8px 24px rgba(0,0,0,.45);
  --radius: 14px;
  --text-on-glass: #eafff7;
}

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

html, body {
  height: 100%;
  margin: 0;
  color: var(--text);
  background: 
    linear-gradient(to bottom right, rgba(0,0,0,.92), rgba(0,0,0,.96)),
    linear-gradient(0deg, rgba(0,255,180,.04) 0 2px, transparent 2px 4px),
    radial-gradient(circle at 20% 0%, rgba(0,255,180,.12), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(0,0,0,.25), transparent 40%);
  background-color: #000;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header, main, footer, aside { display: block; }

.container {
  width: 100%;
  max-width: clamp(320px, 92vw, 1100px);
  margin-inline: auto;
  padding-inline: 1rem;
}

header {
  text-align: center;
  padding-block: 1.75rem;
  position: relative;
}

header h1 {
  font-size: clamp(1.75rem, 2.6vw + 0.8rem, 3rem);
  line-height: 1.15;
  margin: 0.25rem 0 0;
  letter-spacing: .2px;
  color: var(--text);
  text-shadow: 0 1px 0 rgba(0,0,0,.4);
}

nav {
  margin-top: .75rem;
}

nav a {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 600;
  padding: .35rem .75rem;
  border-radius: 999px;
  border: 1px solid rgba(0,255,180,.25);
  background: rgba(0,0,0,.15);
}
nav a:hover, nav a:focus-visible {
  outline: none;
  background: rgba(0,255,180,.22);
  color: #041;
  text-decoration: underline;
  text-underline-offset: 3px;
}

main {
  padding: 1rem 0 2rem;
}

article {
  display: grid;
  gap: 1rem;
  align-items: start;
  justify-items: center;
}

.image-frame {
  width: 100%;
  max-width: 720px;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0,255,180,.35);
  background: #0b0b0b;
  box-shadow: 0 8px 28px rgba(0,0,0,.45), inset 0 0 12px rgba(0,255,180,.15);
  display: block;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.image-frame:hover img { transform: scale(1.03); }

.content {
  padding: 0.75rem 0;
  max-width: 720px;
  color: var(--text);
}
.content h2 {
  font-size: clamp(1.25rem, 1vw + 1rem, 1.75rem);
  margin: .25rem 0 0.5rem;
}
.content p {
  margin: .25rem 0;
  color: var(--muted);
  font-size: clamp(1rem, .75vw + .9rem, 1.15rem);
}

.product-ad {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  align-items: center;
  justify-items: center;
  padding: .9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  width: min(100%, 720px);
}
.product-ad a {
  text-decoration: none;
  color: var(--text-on-glass);
  padding: .5rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(0,255,180,.35);
  background: rgba(0,0,0,.15);
}
.product-ad a:hover, .product-ad a:focus-visible {
  outline: none;
  background: rgba(0,255,180,.22);
  text-decoration: underline;
}
.product-ad p { margin: 0; font-weight: 600; }

.sponsored-page {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  align-items: center;
  justify-items: center;
  padding: .9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--glass-fallback);
  box-shadow: var(--shadow);
}
.sponsored-page a { text-decoration: none; color: var(--text-on-glass); padding: .5rem 1rem; border-radius: 8px; border: 1px solid rgba(0,255,180,.4); background: rgba(0,0,0,.18); }
.sponsored-page a:hover, .sponsored-page a:focus-visible { background: rgba(0,255,180,.25); text-decoration: underline; }

footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid rgba(0,255,180,.15);
}

ul, li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.btn, .cta, a.btn {
  display: inline-block;
  padding: .55rem .95rem;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid rgba(0,255,180,.4);
  text-decoration: none;
  color: #00170f;
  background: var(--accent);
  transition: transform .18s ease, background .2s ease;
}
.btn:hover, .cta:hover, a.btn:hover {
  transform: translateY(-1px);
  background: #0be099;
}
.btn:focus-visible, .cta:focus-visible, a.btn:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  text-decoration: none;
}
.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(0,255,180,.4);
}
.btn.secondary:hover {
  background: rgba(0,255,180,.15);
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.card h3 { margin: .25rem 0; font-size: 1.1rem; }
.card p { margin: .25rem 0; color: var(--muted); }

.tag {
  display: inline-block;
  padding: .15em .5em;
  border-radius: 999px;
  font-size: .75rem;
  border: 1px solid rgba(0,255,180,.4);
  color: #a6fff0;
  background: rgba(0,255,180,.08);
}

.grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 600px) {
  .grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Print styles: basic readability */
@media print {
  html, body { background: #fff; color: #000; }
  header, nav, footer, .image-frame { display: none; }
  .container { padding: 0; }
}