/* Theme tokens */
/* Palette derived from violet marble + beige accents */
:root {
  --bg: #0a041a;
  --bg-2: #1a0a2a;
  --text: #f5efe3;
  --muted: #d9c5aa;
  --accent: #a676e6;
  --accent-2: #e6d1b8;
  --card: rgba(255, 255, 255, 0.08);
  --card-2: rgba(255, 255, 255, 0.18);
  --ring: 0 0 0 3px rgba(166, 118, 217, 0.65);
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
  --radius: 12px;
  --text-contrast: 1;
  --container-pad: 1rem;
}

/* Global resets and base typography (mobile-first) */
* { box-sizing: border-box; }

html, body { height: auto; min-height: 100%; }

html {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
               Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: clamp(14px, 1.6vw, 16px);
  /* Layered background: gradient + subtle noise/scanline (pure CSS) */
  background:
    linear-gradient(135deg, rgba(120,0,170,0.85) 0%, rgba(60,0,90,0.95) 60%, rgba(10,0,40,0.95) 100%),
    linear-gradient(to bottom right, rgba(255,255,255,0.05), rgba(255,255,255,0.02)),
    repeating-linear-gradient(to bottom, rgba(0,0,0,0.04) 0 1px, transparent 1px 2px);
  background-attachment: fixed;
}

body {
  margin: 0;
  color: var(--text);
  background: none; /* layered on html for compatibility */
  min-block-size: 100%;
}

/* Layout utilities */
.container {
  width: 100%;
  max-width: clamp(640px, 92vw, 1100px);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

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

.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}

/* Glass panels with backing
   Backdrop-filter is applied for frosted glass; provide graceful fallback via color and border already present */
.glass, .panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.no-glass {
  background: rgba(255, 255, 255, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* Image frame styling (and legacy .image-frame compatibility) */
.image-frame, .featured-image {
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
}
.image-frame {
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 6px 14px rgba(0,0,0,0.25);
}
.image-frame img, .featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 12px;
  will-change: transform;
  transition: transform 0.25s ease;
}
.image-frame img:hover, .featured-image img:hover {
  transform: scale(1.02);
}

/* Content blocks and text hierarchy */
.content { padding: 0; }

/* Header, navigation, and hero pattern */
header {
  padding-block: clamp(14px, 4vw, 28px);
  text-align: center;
  background: rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
header h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 .25rem;
  letter-spacing: .2px;
}
header .meta {
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.88rem, 2vw, 1.05rem);
}
nav {
  margin-top: .5rem;
}
nav a {
  color: var(--text);
  text-decoration: none;
  padding: .45rem .75rem;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(0,0,0,0);
  transition: transform .15s ease, background .2s ease;
}
nav a:hover { background: rgba(255,255,255,0.12); }
nav a:focus-visible { outline: none; box-shadow: var(--ring); outline: none; }

/* Hero content styling within main/article */
main { padding-block: clamp(16px, 4vw, 40px); }
article { max-width: 860px; margin: 0 auto; }

/* Headings and body text inside article */
article h2 { font-size: clamp(1.25rem, 2.2vw, 1.75rem); margin: .75rem 0 .5rem; color: var(--text); }
article h3 { font-size: clamp(1.05rem, 1.8vw, 1.25rem); margin: .6rem 0; color: var(--text); }
article p { font-size: clamp(14px, 2vw, 18px); margin: .4rem 0 1rem; color: var(--text); }
article ul { margin: .4rem 0 1rem 1.15rem; padding: 0; }
article li { margin: .25rem 0; }

/* Blockquote styling for emphasis */
article blockquote {
  margin: 1rem 0;
  padding: .75rem 1rem;
  border-left: 4px solid rgba(166, 118, 217, 0.8);
  background: rgba(0,0,0,0.15);
  border-radius: 6px;
  color: var(--text);
}

/* Links and inline emphasis */
a, button, .btn, .cta {
  color: var(--text);
  text-decoration: none;
  display: inline-block;
  padding: .65em 1em;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
  transition: transform .15s ease, background .2s ease, border-color .2s;
  font-weight: 600;
}
a:hover, button:hover, .btn:hover, .cta:hover { background: rgba(255,255,255,0.14); transform: translateY(-1px); }
a:focus-visible, button:focus-visible, .btn:focus-visible, .cta:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  transform: translateY(-1px);
}
.btn { background: rgba(167, 139, 213, 0.95); border-color: rgba(255,255,255,0.4); }
.btn.secondary { background: rgba(255,255,255,0.08); }
.cta { background: rgba(230, 210, 184, 0.95); border-color: rgba(255,255,255,0.5); }

/* Image area preparation for focus/visual balance on features */
.featured-image { margin: 0 auto 1rem; }

/* Footer and product ad sections (glass panels) */
footer { padding: clamp(14px, 4vw, 28px); text-align: center; color: var(--muted); }
footer .product-ad, footer .sponsored-page {
  display: inline-block;
  vertical-align: top;
  min-width: 240px;
  max-width: 420px;
  width: 100%;
  margin: .5rem;
}
footer .product-ad a, footer .sponsored-page a {
  display: block;
  padding: .9rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  text-decoration: none;
}
footer p { margin: .25rem 0; color: var(--muted); }

/* Print styles: basic readability */
@media print {
  html, body {
    background: #fff;
    -webkit-print-color-adjust: exact;
  }
  header, nav, main, footer { background: none; color: #000; }
  a { color: #00f; text-decoration: underline; }
  img { max-width: 100%; page-break-inside: avoid; }
}

/* Accessibility: respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .image-frame img, .featured-image img { transform: none !important; }
}

/* Small screens - adjust typography and spacing */
@media (max-width: 720px) {
  header { padding-block: 14px; }
  nav a { padding: .4rem .6rem; }
  .container { padding-inline: 0.75rem; }
  .grid { gap: 0.75rem; }
  .image-frame, .featured-image { border-radius: 10px; }
}