html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  line-height: 1.5;
  background-color: #0a0b14;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Layered background: gradient + pastel zigzag + subtle scanlines (pure CSS) */
  background-image:
    linear-gradient(135deg, rgba(251,240,120,.12) 0%, rgba(135,206,235,.12) 60%, rgba(251,240,120,.12) 100%),
    linear-gradient(45deg, rgba(251,240,120,.08) 0 25%, transparent 25% 50%, rgba(251,240,120,.08) 50% 75%, transparent 75% 100%),
    linear-gradient(315deg, rgba(251,240,120,.08) 0 25%, transparent 25% 50%, rgba(251,240,120,.08) 50% 75%, transparent 75% 100%),
    repeating-linear-gradient(135deg, rgba(251,240,120,.12) 0 6px, transparent 6px 12px);
  background-blend-mode: overlay, overlay, overlay, normal;
}
html { overflow-y: auto; }

/* CSS tokens */
:root {
  --bg: #0a0b14;
  --bg-2: #0e1627;
  --text: #e8f2ff;
  --muted: #b9c8e8;
  --accent: #ffd86b;      /* pastel yellow */
  --accent-2: #a4d6ff;    /* pastel blue */
  --glass: rgba(255, 255, 255, 0.08);
  --glass-2: rgba(255, 255, 255, 0.14);
  --glass-border: rgba(255, 255, 255, 0.25);
  --shadow: 0 12px 28px rgba(0,0,0,.32);
  --radius: 14px;
  --radius-sm: 10px;
  --focus-ring: 0 0 0 3px rgba(168, 214, 255, .75);
}

* { box-sizing: border-box; }

/* Focus management for accessibility */
:focus { outline: none; }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: 6px; }

/* Layout scaffolding */
.container {
  width: 100%;
  max-width: clamp(640px, 86vw, 1100px);
  margin-inline: auto;
  padding-inline: clamp(12px, 4vw, 28px);
}

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

.card {
  background: linear-gradient(to bottom right, rgba(255,255,255,.12), rgba(255,255,255,.08));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  color: var(--text);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
@supports not ((backdrop-filter: blur(8px)) or (-webkit-backdrop-filter: blur(8px))) {
  .card { background: rgba(255,255,255,.14); }
}

.header, header {
  display: block;
  text-align: center;
  padding: clamp(14px, 4vw, 28px) 12px;
  position: relative;
  isolation: isolate;
  background: linear-gradient(to bottom right, rgba(15, 22, 40, .55), rgba(15, 22, 40, .25) 60%, rgba(15,22,40,.55));
  border-bottom: 1px solid rgba(255,255,255,.15);
  z-index: 1;
}
header h1 {
  font-size: clamp(1.6rem, 4vw, 3rem);
  margin: 0;
  letter-spacing: .4px;
  color: #f6fbff;
  text-shadow: 0 2px 8px rgba(0,0,0,.5);
}
.meta {
  margin: .25rem 0 0;
  font-size: clamp(0.9rem, 2.4vw, 1.05rem);
  color: var(--muted);
}
nav {
  margin-top: .75rem;
}
nav a {
  color: var(--accent-2);
  text-decoration: none;
  padding: .35rem .6rem;
  border-radius: 6px;
  border: 1px solid rgba(163,210,255,.6);
  background: rgba(15,26,40,.35);
}
a { color: var(--accent-2); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; color: #d8ecff; }

/* Hero / content hero structure */
main { padding: clamp(12px, 4vw, 28px) 0; }
article { padding: 0; margin: 0 auto; max-width: clamp(640px, 86vw, 1000px); }
.featured-image { margin: 0 0 12px; border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,.25); box-shadow: 0 8px 22px rgba(0,0,0,.25); }
.image-frame { display: block; width: 100%; aspect-ratio: 16/9; overflow: hidden; border-radius: 12px; border: 1px solid rgba(255,255,255,.25); box-shadow: 0 6px 18px rgba(0,0,0,.25); }
.image-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Glass content panel for articles */
.content {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  color: var(--text);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 6px 22px rgba(0,0,0,.25);
}
@supports not (backdrop-filter: blur(8px)) and not (-webkit-backdrop-filter: blur(8px)) {
  .content { background: rgba(255,255,255,.12); }
}
h2 { font-size: clamp(1.25rem, 3vw, 1.75rem); margin: .75rem 0 0.25rem; color: #e7f2ff; }
p { margin: .5rem 0 1rem; color: #eaffff; }
blockquote {
  margin: .5rem 0 1rem;
  padding: .5rem 1rem;
  border-left: 3px solid var(--accent-2);
  color: #f5fbff;
  background: rgba(0,0,0,.15);
  border-radius: 6px;
  font-style: italic;
}
ul { padding-left: 1.1rem; margin: .5rem 0 1rem; }
li { margin: .25rem 0; }

/* mini utility elements */
.tag {
  display:inline-block;
  padding: .15rem .5rem;
  border-radius: 999px;
  font-size: .75rem;
  background: rgba(162, 216, 255, .25);
  color: #eaffff;
  border: 1px solid rgba(163,210,255,.6);
}
.container > .grid { margin-top: .75rem; }

/* Buttons & CTAs */
button, .btn, .cta {
  font: inherit;
  font-weight: 600;
  border-radius: 999px;
  padding: .8rem 1rem;
  border: 1px solid rgba(255,255,255,.4);
  cursor: pointer;
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(230,246,255,.92));
  color: #002233;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn.primary, .cta {
  background: linear-gradient(135deg, rgba(180,210,255,.95), rgba(255,255,255,.95));
  border: 1px solid rgba(170,210,255,.9);
  color: #04141e;
}
.btn.secondary {
  background: rgba(255,255,255,.14);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.25);
}
button:hover, .btn:hover, .cta:hover { transform: translateY(-1px); }

/* Focus visibility tweaks for links and controls */
a:focus-visible, button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(168,214,255,.9);
  border-radius: 6px;
  position: relative;
  z-index: 1;
}

/* Footer / product ad sections as glass panels */
footer {
  padding: 1rem;
  margin-top: 2rem;
  display: grid;
  gap: .9rem;
  align-items: stretch;
  justify-items: center;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(255,255,255,.15);
  background: linear-gradient(to top, rgba(0,0,0,.0), rgba(0,0,0,.15));
}
.product-ad, .sponsored-page {
  width: 100%;
  max-width: 420px;
}
.product-ad a, .sponsored-page a {
  display: block;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  padding: .85rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08);
  transition: transform .2s;
}
.product-ad a:hover, .sponsored-page a:hover {
  transform: translateY(-2px);
}
footer p { text-align: center; color: var(--muted); margin: .4rem 0 0; }

/* Print-friendly tweaks */
@media print {
  body { background: white; color: #000; }
  header, footer { background: none; border: none; }
  .content { background: none; border: none; box-shadow: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .card { transition: none; }
}
@media (min-width: 860px) {
  footer { grid-template-columns: 1fr 1fr 1fr; padding: 1rem 2rem; }
}