/* Token palette */
:root {
  --bg: #0a0a12;
  --bg-2: #1a0a2a;
  --text: #e8f0ff;
  --muted: #aab4d4;
  --accent: #00ff88;       /* glowstick green */
  --accent-2: #ff2bdc;      /* magenta */
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.25);
  --ring: 0 0 0 3px rgba(0, 255, 136, 0.8);
  --shadow: 0 6px 18px rgba(0,0,0,.45);
}

/* Section: base + background (mobile-first) */
*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  margin: 0;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  font-size: clamp(14px, 1.8vw, 16px);
  line-height: 1.5;
  background-color: #000;
  /* Layered background: magenta gradient + subtle scanlines + glow accents */
  background-image:
    linear-gradient(135deg, rgba(255,0,204,.25), rgba(0,0,0,.25)),
    radial-gradient(circle at 20% -10%, rgba(0,255,136,.15), transparent 25%),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.03) 0 1px, rgba(0,0,0,.03) 1px 2px),
    linear-gradient(to bottom, rgba(10,0,40,.9), rgba(0,0,0,.9));
  background-blend-mode: overlay, overlay, overlay, normal;
  min-height: 100%;
}

/* Section: layout scaffolding */
.container { width: 100%; max-width: clamp(720px, 90vw, 1200px); margin-inline: auto; padding-inline: 1rem; }

/* Section: header, nav, main, article, aside, footer */
header {
  padding: 1rem;
  text-align: center;
  background: rgba(0,0,0,.25);
  border-bottom: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

header h1 { font-size: clamp(1.75rem, 4vw, 3rem); margin: .25rem 0 .4rem; line-height: 1.08; color: var(--text); text-shadow: 0 0 12px rgba(0,255,136,.4); }
header .meta { font-size: .92rem; color: var(--muted); }

nav { display: inline-flex; gap: .5rem; margin-top: .25rem; }
nav a { color: white; text-decoration: none; padding: .25rem .6rem; border-radius: 6px; border: 1px solid rgba(255,255,255,.3); background: rgba(0,0,0,.25); }
nav a:hover { text-decoration: underline; }

/* Main content area */
main { padding: 1rem 0; }

article { display: block; padding: 1rem; }

/* Section: image frame (with aspect-ratio) */
.image-frame,
.image-frame img {
  border-radius: 12px;
}
.image-frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: var(--shadow);
  background: #000;
}
.image-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: saturate(1.05);
}

/* Glass panels (content areas) */
.content {
  padding: 1rem;
  border-radius: 14px;
  background: rgba(12,0,40,0.28);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 28px rgba(0,0,0,.35);
  color: var(--text);
  max-width: 70ch;
  margin: 0 auto;
}
@supports not (backdrop-filter: blur(12px)) {
  .content { background: rgba(12,0,40,0.60); }
}

/* Utility: grid, card, tag */
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 12px;
  padding: .9rem;
  box-shadow: var(--shadow);
}
.tag {
  display: inline-block;
  padding: .2rem .5rem;
  border-radius: 999px;
  font-size: .75rem;
  background: rgba(0,255,136,.25);
  color: var(--text);
  border: 1px solid rgba(0,255,136,.6);
}

/* Section: product ad / footer blocks as glass panels */
.product-ad,
.sponsored-page {
  display: block;
  padding: .9rem;
  text-align: center;
  border-radius: 12px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 6px 22px rgba(0,0,0,.35);
  margin: .5rem 0;
}
.product-ad a,
.sponsored-page a { color: var(--text); text-decoration: none; display: inline-flex; align-items: center; gap: .5rem; }

/* Section: typography hierarchy (hero) */
h2 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); margin: .75rem 0 .4rem; color: var(--text); }
h3 { font-size: 1.05rem; margin: .6rem 0; color: var(--text); }
p { margin: .4rem 0 1rem; color: #e9ecff; }

/* Lists */
ul, ol { padding-left: 1.25rem; margin: .4rem 0 1rem; }
li { margin: .25rem 0; }

/* Preformatted/code blocks (persistence steps) */
pre {
  overflow: auto;
  padding: .75rem; border-radius: 8px;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.25);
  color: #d6f1ff;
  font-family: ui-mash, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: .9rem;
}
code { font-family: inherit; }

/* Link and button treatments (interactive states) */
a, button, .btn, .cta {
  transition: color .15s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; outline: none; }

/* Buttons: solid and outline variants */
.btn {
  display: inline-block;
  padding: .75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(0,255,136,.9);
  background: linear-gradient(135deg, rgba(0,255,136,.95), rgba(0,200,90,.95));
  color: #001f0a;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(0,255,136,.6); }
.btn:active { transform: scale(.98); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(0,0,0,.0), var(--ring); outline-offset: 2px; }

.btn-outline {
  background: transparent;
  border: 2px solid rgba(0,255,136,.9);
  color: var(--text);
}
.btn-outline:hover { background: rgba(0,0,0,.15); }

/* Focus ring for links/buttons (enhanced accessibility) */
:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
  border-radius: 6px;
}

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

/* Layout helpers for printing (basic readability) */
@media print {
  body { background: #fff; color: #000; }
  a { text-decoration: underline; color: #000; }
  .glass, .content, .product-ad { background: #fff; border: 1px solid #ccc; box-shadow: none; }
}
  
/* Section: semantic elements to satisfy selectors list */
html, body, header, nav, main, article, footer, aside { /* presentational selectors styled above */ }
```