:root {
  --bg: #0a1020;
  --bg-2: #0b1a2b;
  --text: #e8f4ff;
  --muted: #a9b8d0;
  --accent: #7bd6ff;
  --accent-2: #b8e6ff;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-2: rgba(255, 255, 255, 0.14);
  --border: rgba(255, 255, 255, 0.28);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: clamp(720px, 82vw, 1100px);
  --fg: #e8fbff;
}

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

html, body { height: 100%; }

html {
  color-scheme: dark;
}

body {
  margin: 0;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial, sans-serif;
  line-height: 1.5;
  background: 
    radial-gradient(circle at 60% -10%, rgba(120,180,255,.15), transparent 25%),
    radial-gradient(circle at 0% 60%, rgba(60,120,255,.10), transparent 25%),
    linear-gradient(135deg, #0a1020 0%, #0b1a2b 60%, #0a1020 100%);
  background-blend-mode: screen, normal, normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

body::after {
  /* subtle CSS scanlines overlay (non-intrusive) */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, transparent 1px 2px);
  mix-blend-mode: overlay;
  opacity: .6;
  z-index: 0;
  /** Reduced motion preference respected below **/
}

@media (prefers-reduced-motion: reduce) {
  body::after { display: none; }
}

:focus-visible { outline: none; }

.wrapper { min-height: 100%; display: grid; grid-template-rows: auto 1fr auto; }

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

/* Base layout primitives */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 1rem;
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  box-shadow: var(--shadow);
}

.tag {
  display: inline-block;
  padding: .2em .6em;
  font-size: .75rem;
  border-radius: 999px;
  color: var(--fg);
  background: rgba(123,214,255,.25);
  border: 1px solid rgba(123,214,255,.6);
}

/* Header / hero styling */
header {
  padding: clamp(1.75rem, 4vw, 3rem) 1rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.header-glass {
  display: grid;
  gap: .6rem;
  justify-items: center;
  align-items: center;
  width: min(100%, var(--maxw));
  margin-inline: auto;
  padding: 1.25rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

header h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw + 0.5rem, 3.5rem);
  line-height: 1.05;
  letter-spacing: .2px;
  color: var(--text);
}

header .meta {
  color: var(--muted);
  font-size: clamp(0.8rem, 1vw, 0.95rem);
}

/* Navigation */
nav {
  display: flex;
  gap: .5rem;
  justify-content: center;
  padding-top: .25rem;
}

nav a {
  color: var(--text);
  text-decoration: none;
  padding: .25rem .6rem;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(0,0,0,.10);
  transition: transform .15s ease, background .2s ease;
}
nav a:hover { text-decoration: underline; background: rgba(0,0,0,.14); }
nav a:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }

/* Main content */
main {
  padding: 1rem 0 2rem;
  position: relative;
  z-index: 1;
}

article {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1rem;
  color: var(--text);
}

.featured-image {
  margin: 1rem 0;
}

.image-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
  background: #000;
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

h2 { font-size: clamp(1.6rem, 2.6vw, 2rem); margin: .75rem 0; }

h3 { font-size: clamp(1.05rem, 1.8vw, 1.25rem); margin: .75rem 0; }

/* Paragraphs / lists */
p, li { color: var(--text); font-size: clamp(0.95rem, 1vw + 0.2rem, 1rem); }

ul, ol { padding-left: 1.25em; margin: .5em 0; }
li { margin: .5em 0; }

/* Block quotes / notes */
blockquote {
  margin: .75em 0;
  padding-left: .75em;
  border-left: 3px solid rgba(123,214,255,.8);
  color: var(--muted);
  font-style: italic;
}
blockquote em { font-style: normal; }

/* Content wrapper for typography scale */
.content {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1rem;
}

/* Product ad / sponsored blocks (glass panels) */
.product-ad,
.sponsored-page {
  display: inline-block;
  padding: .75rem 1rem;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.25);
  text-align: center;
  color: var(--text);
  text-decoration: none;
  transition: transform .15s ease;
}
.product-ad:hover,
.sponsored-page:hover { transform: translateY(-1px); }
.product-ad a,
.sponsored-page a { color: var(--text); text-decoration: none; }

/* Footer */
footer {
  padding: 1.25rem;
  border-top: 1px solid rgba(255,255,255,.15);
  display: grid;
  gap: 0.75rem;
  justify-items: center;
  align-items: center;
  z-index: 1;
  background: rgba(0,0,0,.05);
  backdrop-filter: saturate(0.9);
}
footer p { color: var(--muted); font-size: .9rem; }

/* Buttons & links (base tokens) */
a, button, .btn, .cta {
  -webkit-tap-highlight-color: transparent;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; outline: none; }

/* Primary / outline buttons */
.btn {
  display: inline-block;
  padding: .6rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.45);
  color: #001018;
  font-weight: 700;
  text-decoration: none;
  background: linear-gradient(135deg, rgba(123,214,255,.95), rgba(120,170,255,.95));
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(0,0,0,.25); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }

.btn.outline {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(123,214,255,.8);
}
.cta { padding: .6rem 1rem; }

/* Glass panel utility for any section needing frosted look */
.glass {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
@supports not (backdrop-filter: blur(12px)) {
  .glass { background: rgba(255,255,255,.18); }
}

/* Print styles (basic readability) */
@media print {
  body { background: white; color: black; }
  nav, footer { display: none; }
  header { display: none; }
  article { padding: 0; }
  .container { padding: 0; max-width: 100%; }
}

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

/* Structural helpers for semantic selectors (no layout reliance) */
html, body, header, nav, main, article, footer, aside { min-block-size: 0; }
aside { display: block; }

/* Minor responsive tweaks */
@media (max-width: 720px) {
  header { padding: 1.25rem; }
  .image-frame { border-radius: 12px; }
}