/* Base tokens */
:root {
  --bg: #0b111a;
  --bg-2: #0e1620;
  --text: #eaf4ff;
  --muted: #a6b6cf;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-2: rgba(255, 255, 255, 0.14);
  --accent: #4ef0ff;
  --accent-2: #80baff;
  --card: rgba(255, 255, 255, 0.08);
  --shadow: 0 8px 24px rgba(0,0,0,0.25);
  --radius: 14px;
}

/* Reset & base layout */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial; }
body {
  margin: 0;
  color: var(--text);
  /* Layered background: gradient dawn sky + subtle glow */
  background:
    linear-gradient(135deg, rgba(15,18,32,0.92) 0%, rgba(9,12,22,0.92) 60%, rgba(6,9,18,0.92) 100%),
    radial-gradient(1200px circle at 12% -5%, rgba(80,180,255,0.15), transparent 40%),
    radial-gradient(900px circle at 90% 0%, rgba(110,140,255,0.12), transparent 40%);
  background-attachment: fixed;
  min-height: 100vh;
  position: relative;
  z-index: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body::before {
  /* subtle scanning noise / lines overlay (pure CSS) */
  content:"";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: 
    repeating-linear-gradient(to bottom, rgba(255,255,255,0.04) 0 1px, transparent 1px 2px);
  mix-blend-mode: overlay;
}
@media (prefers-reduced-motion: reduce) {
  body::before { display: none; }
}
a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; outline: none; color: var(--accent-2); }

/* Structural sections to satisfy selectors */
html, body, header, nav, main, article, footer, aside {
  display: block;
}
header, main, footer { width: 100%; }

/* Utility layout primitives */
.container {
  width: 100%;
  max-width: clamp(680px, 88vw, 1120px);
  margin-inline: auto;
  padding-inline: 1rem;
}
.grid { display: grid; gap: 1rem; }

/* Hero / header styling (glass-like treatment via density on header) */
header {
  margin: 1.25rem auto;
  padding: clamp(1rem, 2.5vw, 1.75rem);
  width: clamp(320px, 90vw, 1120px);
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid rgba(140, 180, 255, 0.25);
  box-shadow: var(--shadow);
  z-index: 1;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
header h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.6rem, 4.5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: .2px;
}
header .meta {
  margin: 0;
  font-size: clamp(12px, 2.8vw, 14px);
  color: var(--muted);
}

/* Main content area with glass panels and content flow */
main {
  position: relative;
  z-index: 1;
  padding: 0 0.5rem;
}
article {
  max-width: clamp(680px, 88vw, 1100px);
  margin: 0 auto;
  padding: 1rem;
  color: var(--text);
}
.featured-image, .image-frame {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(170, 190, 255, 0.25);
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
  margin: 0 0 1rem;
}
.featured-image img, .image-frame img {
  width: 100%; height: auto; display: block;
  object-fit: cover;
}
.image-frame {
  aspect-ratio: 16 / 9;
  background: #000;
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; }

/* Content blocks and typography */
.content { line-height: 1.6; color: var(--text); }
h2, h3 { color: #eaf6ff; margin: 1rem 0 .5rem; }
h2 { font-size: clamp(1.4rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 3vw, 1.35rem); }
p { margin: .6em 0; color: var(--text); }
ol, ul { margin: .6em 0 1em 1.15em; padding: 0; }
li { margin: .25em 0; }

/* Glass card / panel utility (used for content blocks) */
.card {
  background: var(--card);
  border: 1px solid rgba(140, 180, 255, 0.25);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
@supports not (backdrop-filter: blur(6px)) {
  .card { background: rgba(255,255,255,0.12); border-color: rgba(140,180,255,0.4); }
}

/* Product/ad sections in footer */
.product-ad, .sponsored-page {
  display: block;
  text-align: center;
  padding: .75rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(140, 180, 255, 0.25);
  transition: transform .15s ease;
}
.product-ad:focus-within, .sponsored-page:focus-within, .product-ad:hover, .sponsored-page:hover {
  transform: translateY(-1px);
}
.product-ad a, .sponsored-page a {
  color: var(--text);
  text-decoration: none;
  display: inline-block;
  padding: .25rem 0;
}
footer {
  padding: 1.25rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  align-items: start;
  margin-top: 1.25rem;
  border-top: 1px solid rgba(140,180,255,0.25);
  background: linear-gradient(to top, rgba(0,0,0,0.0), rgba(0,0,0,0.15) 80%);
}
footer p {
  margin: .25rem 0 0;
  color: var(--muted);
  text-align: center;
}

/* Buttons (solid + outline) and links focus states */
.btn, button, .cta {
  font-family: inherit;
  font-weight: 600;
  font-size: clamp(14px, 2.6vw, 16px);
  padding: .65em 1.15em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  text-decoration: none;
  user-select: none;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
button, .btn, .cta { background: var(--accent); color: #03151a; }
.btn:hover, .cta:hover { transform: translateY(-1px); background: color-mix(in oklab, var(--accent) 90%, black 10%); }
.btn:active, .cta:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--accent);
}
.btn-outline:hover { background: rgba(78,240,255,0.08); }
a.btn, a.cta { text-decoration: none; }

/* Focus rings for accessibility */
:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
  border-radius: 999px;
}

/* Utility typography helpers for responsive text sizing */
@media (max-width: 640px) {
  header { padding: 1rem; border-radius: 12px; }
  footer { grid-template-columns: 1fr; }
}
@media print {
  body { background: #fff; color: #000; }
  a { text-decoration: underline; color: #000; }
}
```