/* Base palette & layout tokens */
:root {
  --bg: #1a001a;               /* aubergine core */
  --bg-2: #0f0010;             /* darker layer */
  --surface: rgba(12, 0, 28, 0.40);
  --text: #eafaf0;              /* accessible light text over glass */
  --muted: #b7ffd9;
  --accent: #4bd58e;            /* jade */
  --accent-2: #2bd4a7;            /* secondary jade */
  --glass: rgba(9, 0, 20, 0.38);  /* frosted glass panels */
  --shadow: 0 8px 28px rgba(0,0,0,.25);
  --radius: 14px;
  --radius-sm: 10px;
  --ring: 2px solid rgba(75,211,160,.9);
}

/* Reset & base typography (mobile-first) */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { font-family: system-ui, -apple-system, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial; }
body {
  margin: 0;
  color: var(--text);
  background: 
    linear-gradient(135deg, #2a001a 0%, #180024 60%, #0b0010 100%),
    repeating-linear-gradient(to right, rgba(0,255,140,.08) 0 2px, transparent 2px 12px),
    radial-gradient(circle at 10% 0%, rgba(0,0,0,.15), transparent 40%);
  background-blend-mode: normal;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: none;
  scroll-behavior: smooth;
}

/* Layered background specifics for matrix-like streams (CSS-only) */
:root { --bg-streams: rgba(0, 255, 140, .10); }

/* Layout helpers */
.container {
  width: 100%;
  max-width: clamp(420px, 90vw, 1100px);
  padding-inline: 1rem;
  margin-inline: auto;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }

/* Glass panels (with fallback) */
header, main, footer, aside {
  background: var(--glass);
  border: 1px solid rgba(0, 255, 210, .35);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
@supports not (backdrop-filter: blur(12px)) {
  header, main, footer, aside { background: rgba(9,0,20,.75); }
}
header { text-align: center; padding: 1rem 1rem; margin: 1rem auto; }
header h1 { font-size: clamp(1.6rem, 2.5vw + 1rem, 2.6rem); line-height: 1.15; margin: 0 0 .25rem; color: var(--text); }
header .meta { font-size: 0.85rem; color: rgba(234,255,246,.88); margin-top: .25rem; }

/* Nav */
nav { margin-top: .5rem; padding: .25rem; display: inline-flex; gap: .5rem; }
nav a { color: var(--accent-2); text-decoration: none; font-weight: 600; padding: .4rem .6rem; border-radius: 6px; border: 1px solid rgba(75,211,160,.4); }
nav a:hover, nav a:focus-visible { text-decoration: underline; outline: none; }

/* Main content & typography */
main { padding: 1rem; }
article { padding: 1rem; border-radius: var(--radius); background: rgba(0,0,0,.0); }
article h2 { font-size: clamp(1.4rem, 1.4vw + 1rem, 2.2rem); margin: .75rem 0 .5rem; color: var(--text); }
article h3 { font-size: clamp(1.1rem, .8vw + .9rem, 1.25rem); margin: .75rem 0 0.25rem; }
article p { font-size: clamp(0.95rem, 1vw + .4rem, 1.05rem); line-height: 1.55; color: var(--text); margin: .4rem 0 1rem; }
article ul, article ol { margin: .25rem 0 1rem 1.25rem; padding: 0; }
article li { margin: .25rem 0; }

/* Image frame styling */
.image-frame { width: 100%; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 12px; border: 1px solid rgba(0,0,0,.25); box-shadow: 0 6px 16px rgba(0,0,0,.25); margin: .5rem 0 1rem; }
.image-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Content wrapper (generic) */
.content { padding: .75rem; }

/* Product/ad blocks in footer */
.product-ad, .sponsored-page {
  display: inline-block;
  padding: .5rem .75rem;
  margin: .25rem;
  border-radius: 999px;
  background: rgba(0,0,0,.28);
  border: 1px solid rgba(0,255,210,.4);
}
.product-ad a, .sponsored-page a { color: var(--text); text-decoration: none; display: inline-block; padding: .25rem .5rem; }

/* Footer & small print */
footer { padding: 1rem; text-align: center; color: var(--muted); }

/* Button & link styles (interactive states) */
a, button, .btn, .cta {
  font-family: inherit;
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .65rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(0,0,0,.25);
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
a:focus-visible, button:focus-visible, .btn:focus-visible, .cta:focus-visible {
  outline: var(--ring);
  outline-offset: 3px;
}
a:hover, button:hover, .btn:hover, .cta:hover { transform: translateY(-1px); text-decoration: underline; }

/* Solid and outline variants */
.btn { background: rgba(0,0,0,.28); color: #fff; border: 1px solid rgba(255,255,255,.28); }
.btn--solid { background: rgba(75, 211, 160, 0.98); border-color: rgba(0,0,0,.15); color: #041a0a; }
.btn--outline { background: transparent; border: 1px solid var(--accent-2); color: var(--text); }

/* Links with accessible emphasis by default */
a { color: var(--accent-2); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

/* Lists spacing normalization for accessibility */
ul, ol { padding-left: 1.25rem; }

/* Print styles (basic readability) */
@media print {
  body { background: #fff; color: #000; }
  header, main, footer { background: transparent; border: none; box-shadow: none; }
}
  
/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}