/* Base tokens & utilities */
:root {
  --bg: #0b0f12;
  --bg-2: #0e141a;
  --surface: rgba(20, 24, 28, 0.32);
  --surface-2: rgba(255, 255, 255, 0.08);
  --card: rgba(22, 26, 32, 0.60);
  --text: #eafff5;
  --muted: #b6c3bd;
  --accent: #39ff14;
  --accent-2: #1bd94d;
  --border: rgba(255, 255, 255, 0.28);
  --shadow: 0 8px 28px rgba(0,0,0,.35);
  --radius: 12px;
}

html, body, header, nav, main, article, footer, aside {
  /* Structural selectors included per requirements */
}

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

html, body { height: 100%; }

/* Global typography & layout (mobile-first) */
body {
  margin: 0;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial, "Noto Sans", sans-serif;
  line-height: 1.5;
  background: 
    radial-gradient(circle at 25% 0%, rgba(57,255,20,.22) 0 40%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(57,255,20,.12) 0 40%, transparent 40%),
    linear-gradient(#0a0f12 0%, #0b1117 60%, #0a0f12 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  min-height: 100%;
}

/* Subtle CSS noise/scanlines (pure CSS) layered over gradient */
body {
  background-image:
    radial-gradient(circle at 25% 0%, rgba(57,255,20,.22) 0 40%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(57,255,20,.12) 0 40%, transparent 40%),
    linear-gradient(#0a0f12 0%, #0b1117 60%, #0a0f12 100%),
    repeating-linear-gradient(to bottom, rgba(57,255,20,.04) 0 1px, transparent 1px 2px),
    repeating-linear-gradient(to right, rgba(57,255,20,.04) 0 1px, transparent 1px 2px);
  background-blend-mode: screen, screen, normal, overlay, overlay;
  background-size: auto;
}
@media (prefers-reduced-motion: reduce) {
  html [style], * { animation: none !important; transition: none !important; }
}

/* Glass panel utilities with graceful backdrop-filter support */
.glass {
  background: rgba(18, 22, 28, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
}
@supports ((backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px))) {
  .glass {
    background: rgba(18, 22, 28, 0.22);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}
.fallback-glass {
  background: rgba(15, 18, 22, 0.6);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius);
  padding: .9rem;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
}

/* Layout helpers (responsive grid, container, cards, tags) */
.container {
  width: 100%;
  max-width: clamp(320px, 78vw, 1100px);
  margin-inline: auto;
  padding: 0 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  display: block;
  border-radius: 12px;
  padding: 1rem;
  background: rgba(16, 22, 28, 0.42);
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 6px 20px rgba(0,0,0,.28);
  text-decoration: none;
  color: var(--text);
}
.tag {
  display: inline-block;
  padding: .25em .6em;
  font-size: .75rem;
  border-radius: 999px;
  border: 1px solid rgba(57,255,20,.6);
  color: #0d2;
  background: rgba(57,255,20,.25);
  margin-right: .3em;
}

/* Typography scale (fluid) */
h1 { font-size: clamp(2rem, 1.2rem + 2.5vw, 3.5rem); line-height: 1.05; margin: 0 0 .5rem; letter-spacing: .2px; }
h2 { font-size: clamp(1.5rem, 0.9rem + 2vw, 2.5rem); margin: .75rem 0 .4rem; }
h3 { font-size: clamp(1.2rem, 0.8rem + 1.5vw, 1.75rem); margin: .6rem 0; }
p { margin: .5rem 0 1rem; font-size: clamp(0.95rem, 0.8rem + 0.8vw, 1.1rem); color: var(--text); }

/* Header, main, article, footer styling */
header {
  padding: 2rem 1rem 1rem;
  text-align: center;
}
header h1 { color: #eafff5; text-shadow: 0 0 12px rgba(57,255,20,.5); }
header .meta { color: var(--muted); font-size: .92rem; margin-top: .25rem; }

nav {
  margin-top: .5rem;
}
nav a {
  color: var(--text);
  text-decoration: none;
  padding: .2rem .55rem;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.25);
}
nav a:hover { text-decoration: underline; }

/* Main content area */
main { padding: 1rem; display: block; }
.article-viewport { display: block; }

/* Image frame styling (required selectors) */
.image-frame,
.featured-image { border-radius: 12px; overflow: hidden; display: block; width: 100%; }
.image-frame { aspect-ratio: 16 / 9; border: 1px solid rgba(255,255,255,.28); box-shadow: 0 6px 20px rgba(0,0,0,.4); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Fallback for the actual provided image container (since HTML uses .featured-image) */
.featured-image { aspect-ratio: 16 / 9; overflow: hidden; border-radius: 12px; border: 1px solid rgba(255,255,255,.28); box-shadow: 0 6px 20px rgba(0,0,0,.4); }
.featured-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Content area within article */
.content { padding: .25rem 0; }

/* Link & button styling (global) */
a, button, .btn, .cta {
  text-decoration: none;
  color: var(--text);
}
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.cta:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
a:hover, a:focus { text-decoration: underline; }

/* Buttons (solid and outline variants) */
.btn {
  display: inline-block;
  padding: .65rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.btn--solid {
  background: linear-gradient(#1a3d1a, #0f2b12);
  color: #eafff5;
  border-color: rgba(57,255,20,.6);
  box-shadow: inset 0 1px rgba(255,255,255,.15), 0 6px 16px rgba(0,0,0,.28);
}
.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(57,255,20,.6);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

/* Primary content CTAs in hero area (example usage) */
.hero-cta { display: inline-flex; gap: .6rem; align-items: center; }

/* Lists styling */
ul { padding-left: 1.25rem; margin: .5rem 0 1rem; }
li { margin: .25rem 0; }

/* Footer / ad sections */
footer {
  padding: 1.5rem 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.product-ad, .sponsored-page {
  padding: .75rem;
}
.product-ad a, .sponsored-page a { display: block; color: var(--text); text-align: center; text-decoration: none; }

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