/* Base */
:root{
  --bg: #0a1020;
  --bg-2: #0b1220;
  --surface: rgba(9,12,28,0.72);
  --card: rgba(15,23,42,0.86);
  --text: #eaffff;
  --muted: #89e9f5;
  --accent: #00e5ff;
  --accent-2: #6a5cff;
  --shadow: 0 8px 22px rgba(0, 229, 255, 0.25);
  --radius: 14px;
  --focus: 0 0 0 3px rgba(0,229,255,.5);
}
html, body, header, nav, main, article, aside, footer { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif; height: 100%; }
* { box-sizing: inherit; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* Layered background: gradient + galaxy-ish accents + subtle scanlines/noise */
body {
  min-height: 100%;
  margin: 0;
  color: var(--text);
  background: 
    /* base gradient */ linear-gradient(135deg, #0a1020 0%, #0b1320 60%, #04182a 100%),
    /* cyan/indigo accents (stars) */ radial-gradient(circle at 15% 25%, rgba(0,229,255,.25) 0 12px, transparent 13px),
    radial-gradient(circle at 70% 40%, rgba(106,92,255,.25) 0 18px, transparent 19px),
    /* scanline/noise overlay */ repeating-linear-gradient(0deg, rgba(255,255,255,.04) 0 1px, transparent 1px 2px);
  background-blend-mode: screen, overlay, overlay, normal;
  background-attachment: fixed;
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Light-mode fallback for legibility */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fb;
    --bg-2: #eaeff9;
    --surface: rgba(255,255,255,0.92);
    --card: rgba(255,255,255,0.96);
    --text: #0b1220;
    --muted: #4b5a70;
    --accent: #006c6f;
    --accent-2: #3742d6;
    --shadow: 0 6px 16px rgba(0,0,0,.08);
  }
  body {
    background: linear-gradient(180deg, #f6f9ff 0%, #e9f1ff 100%);
    color-scheme: light;
  }
  .card { backdrop-filter: saturate(1.1); }
}

/* Layout helpers & typography */
.container {
  width: 100%;
  max-width: clamp(680px, 86vw, 1120px);
  margin-inline: auto;
  padding-inline: 1rem;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }

/* Header / main scaffolding */
header {
  text-align: center;
  padding: 1.25rem 1rem 0.75rem;
  border-bottom: 1px solid rgba(0,255,255,.25);
  position: relative;
}

header h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin: 0.25rem 0 0.25rem;
  letter-spacing: .3px;
  text-shadow: 0 0 14px rgba(0, 229, 255, .35);
}
header .meta {
  color: var(--muted);
  font-size: clamp(0.85rem, 1.6vw, 1rem);
  margin-top: .25rem;
}

/* Nav (styling present even if not used in page) */
nav { display: flex; justify-content: center; gap: .75rem; padding: .25rem 0; }

/* Content regions */
main { padding: 1rem 0 2rem; }
article { display: block; }

/* Image frame styling */
.image-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0, 230, 255, .4);
  box-shadow: 0 8px 22px rgba(0, 230, 255, .25);
  margin: 0 auto 1rem;
  background: #000;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
  transform: scale(1.01);
}

/* Glass panels (fallback if backdrop-filter unsupported) */
.card, .content, .product-ad {
  background: rgba(9,12,28,.72);
  border: 1px solid rgba(0,255,255,.28);
  border-radius: var(--radius);
  padding: 1rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
@supports not (backdrop-filter: blur(8px)) {
  .card, .content, .product-ad { background: rgba(9,12,28,.92); }
}

/* Content sections and lists */
.content { padding: 0; color: var(--text); }
h2, h3 { margin-top: .75rem; margin-bottom: .25rem; }
p { margin: .5rem 0; line-height: 1.6; }
ul { padding-left: 1.25rem; margin: .25rem 0; }
li { margin: .25rem 0; }

/* Product ad / sponsor sections in footer */
.product-ad, .sponsored-page { display: block; margin: .5rem 0; padding: .75rem; }
.product-ad a, .sponsored-page a {
  display: block;
  text-align: center;
  padding: .75rem 1rem;
  border-radius: 8px;
  background: rgba(0, 230, 255, .12);
  border: 1px solid rgba(0, 230, 255, .4);
  color: var(--text);
  text-decoration: none;
  transition: transform .15s ease, background .2s ease;
}
.product-ad a:hover { background: rgba(0,230,255,.20); transform: translateY(-1px); }
.product-ad a:focus-visible { outline: var(--focus); }

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

/* Interactive controls (buttons/links) */
a { color: var(--accent-2); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; color: #7af0ff; outline: none; }
.btn, .cta {
  display: inline-block;
  padding: .55rem 1rem;
  border-radius: 8px;
  border: 0;
  cursor: pointer;
  font-weight: 600;
  color: #001018;
  text-decoration: none;
  transition: transform .15s ease, background .2s ease, color .2s ease;
}
.btn { background: var(--accent); color: #001018; }
.btn:hover { background: #00d5ff; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-outline:hover { background: rgba(0,229,255,.08); }

/* Utilities (minor helpers) */
.tag { display: inline-block; padding: .15rem .5rem; border-radius: 999px; font-size: .75rem; background: rgba(0,255,255,.15); color: #eaffff; border: 1px solid rgba(0,255,255,.4); }

/* Form elements (presentational styling) */
input, textarea, select {
  background: rgba(255,255,255,.08);
  color: var(--text);
  border: 1px solid rgba(0,255,255,.35);
  padding: .5rem .75rem;
  border-radius: 6px;
  outline: none;
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Print styles (basic readability) */
@media print {
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
}

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