html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background-attachment: fixed;
  color-scheme: dark;
}

/* Token palette: copper + navy */
:root {
  --bg: #0b162a;          /* deep navy base */
  --bg-2: #152046;        /* navy accent */
  --text: #e9f1ff;          /* high-contrast text over dark */
  --muted: #a9b6d6;         /* secondary text */
  --accent: #b5692a;        /* copper */
  --accent-2: #d07a2b;      /* brighter copper for accents */
  --glass: rgba(8, 12, 24, 0.22);
  --glass-2: rgba(255, 255, 255, 0.28);
  --shadow: 0 8px 20px rgba(0,0,0,.28);
  --radius: 12px;
}

/* Layered background: gradient + scanlines/noise (pure CSS) */
html, body {
  background: var(--bg);
  background-image:
    linear-gradient(135deg, rgba(20,28,55,.85), rgba(8,12,28,.85) 60%, rgba(8,12,28,.0) 100%),
    repeating-linear-gradient(to bottom,
      rgba(255,255,255,.04) 0px, rgba(255,255,255,.04) 1px, transparent 1px, transparent 3px),
    radial-gradient(circle at 50% 0%, rgba(255,255,255,.04), rgba(255,255,255,0) 40px),
    radial-gradient(circle at 25% 10%, rgba(0,0,0,.08), rgba(0,0,0,0) 40px);
  background-blend-mode: overlay, overlay, normal, normal;
}

/* Layout helpers */
.container {
  max-width: clamp(320px, 92vw, 1100px);
  margin: 0 auto;
  padding: 0 1rem;
}

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

.card {
  background: rgba(8,12,28,.22);
  border: 1px solid rgba(255,255,255,.32);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  transition: transform .2s ease, opacity .2s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
}

.content {
  padding: 1rem;
  color: var(--text);
  font-size: clamp(14px, 2.2vw, 16px);
  line-height: 1.6;
  background: rgba(0,0,0,.0);
}

.header,
main,
footer,
aside {
  margin: 0 auto;
  padding: 1rem;
  border-radius: var(--radius);
  background: rgba(8,12,28,.22);
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
header { text-align: center; padding-top: 1.25rem; padding-bottom: 0.75rem; }

header h1 {
  font-size: clamp(1.6rem, 5vw, 3rem);
  margin: 0.25rem 0 0.25rem;
  letter-spacing: .4px;
  color: var(--text);
}

header .meta {
  font-size: clamp(.8rem, 2.5vw, .95rem);
  color: var(--muted);
  margin: .25rem 0 0;
}

main { padding: 1rem 0; }

.image-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: 0 6px 16px rgba(0,0,0,.25);
  background: #111;
  display: block;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
}

h2 {
  font-size: clamp(1.25rem, 4.5vw, 2rem);
  margin: .75rem 0 .25rem;
  color: var(--text);
}

ul {
  padding-left: 1.25rem;
  margin: .5rem 0 1rem;
}

li {
  margin: .25rem 0;
  color: var(--text);
}

/* Glass panels/blocks for in-content areas */
.glass {
  background: rgba(8,12,28,.22);
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 12px;
  padding: .75rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.fallback-glass {
  background: rgba(8,12,28,.48); /* higher opacity if backdrop-filter unavailable */
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 12px;
  padding: .75rem;
  box-shadow: var(--shadow);
}

.product-ad {
  display: block;
  text-align: center;
  padding: .5rem;
  margin: .5rem 0;
  text-decoration: none;
  color: var(--text);
}
.product-ad a {
  text-decoration: none;
  color: inherit;
}
.product-ad p {
  margin: 0;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(184,105,42,.9), rgba(208,138,43,.9));
  border: 1px solid rgba(255,255,255,.5);
  box-shadow: 0 6px 14px rgba(0,0,0,.25);
}
.sponsored-page {
  text-align: center;
  padding: .5rem;
}
.sponsored-page a {
  text-decoration: none;
  color: var(--text);
}
footer {
  display: grid;
  gap: .75rem;
  padding: 1rem;
  text-align: center;
}

/* Links and interactive controls */
a,
button,
.btn,
.cta {
  color: var(--text);
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
  outline: none;
}
a:hover { text-decoration: underline; text-underline-offset: 3px; color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; border-radius: 4px; text-decoration: underline; }

/* Button variants and focus */
.btn,
.cta,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .65rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.45);
  background: linear-gradient(135deg, rgba(182,105,42,.95), rgba(208,138,43,.95));
  color: white;
  font-weight: 600;
  cursor: pointer;
  text-shadow: 0 1px 0 rgba(0,0,0,.25);
}
.btn.secondary,
.cta.secondary {
  background: rgba(0,0,0,.0);
  border: 1px solid rgba(255,255,255,.55);
  color: var(--text);
}
.btn:hover,
.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,0,0,.28);
}
.btn:active,
.cta:active {
  transform: translateY(0);
  filter: brightness(.98);
}
@media (prefers-reduced-motion: reduce) {
  .btn, .cta { transition: none; transform: none; }
}

/* Typography scales and hierarchy for hero pattern */
.hero { padding: 1rem 0 0; text-align: center; }
.hero h1 { font-size: clamp(1.75rem, 6vw, 3.25rem); line-height: 1.05; margin: .25rem 0 0.5rem; color: var(--text); }
.hero p { max-width: 56ch; margin: 0 auto; color: var(--muted); }

/* Print-friendly tweaks */
@media print {
  html, body { background: white; color: #000; }
  header, main, footer { background: transparent; border: none; box-shadow: none; }
  a { color: #000; text-decoration: underline; }
}
  
/* Nav (present in some layouts) */
nav {
  display: flex;
  justify-content: center;
  gap: .75rem;
  flex-wrap: wrap;
  padding: .5rem 0;
}
nav a {
  padding: .25rem .5rem;
  border-radius: 6px;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.28);
}
nav a:hover { color: var(--accent-2); border-color: rgba(255,255,255,.5); text-decoration: none; }
nav a:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

/* Misc utilities you may expect in a landing page */
.tag {
  display: inline-block;
  padding: .15em .5em;
  font-size: .75rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.08);
  color: var(--text);
  margin-right: .25em;
}
```