/* Tokens: future cyberpunk palette (red + gold) */
:root {
  --bg: #0a0a0a;
  --bg-2: #141414;
  --text: #f7f7f7;
  --muted: #cbd5e1;
  --accent: #e50914;      /* red */
  --accent-2: #d4af37;    /* gold */
  --glass: rgba(255,255,255,.08);
  --glass-strong: rgba(255,255,255,.16);
  --border: rgba(255,255,255,.25);
  --shadow: 0 8px 20px rgba(0,0,0,.4);
  --radius: 12px;
}

/* Base reset + accessibility helpers */
*,
*::before,
*::after { box-sizing: border-box; }
html, body { height: 100%; }
html { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif; }
body {
  margin: 0;
  color: var(--text);
  background: 
    linear-gradient(135deg, rgba(245,0,0,.28) 0%, rgba(20,0,0,.75) 60%, rgba(0,0,0,.95) 100%),
    radial-gradient(circle at 20% -10%, rgba(255,255,255,.08) 0 20%, transparent 60%),
    var(--bg);
  background-blend-mode: normal, overlay, normal;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  isolation: isolate;
  position: relative;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  /* subtle noise/scanline effect (pure CSS) */
  background-image:
    repeating-linear-gradient(to bottom, rgba(0,0,0,.08) 0 2px, transparent 2px 4px),
    repeating-linear-gradient(to right, rgba(0,0,0,.04) 0 2px, transparent 2px 4px);
  opacity: .6;
  mix-blend-mode: overlay;
}
img { max-width: 100%; display: block; }

/* Layout primitives */
.container { width: 100%; max-width: clamp(320px, 90vw, 1100px); margin-inline: auto; padding-inline: 1rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* Glass panels (with fallback) */
.glass {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.no-backdrop { /* fallback when backdrop-filter isn't supported */
  background: rgba(255,255,255,.12);
}
@supports not (backdrop-filter: blur(12px)) and not (-webkit-backdrop-filter: blur(12px)) {
  .glass { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.25); }
}
.section { padding: 1rem 0; }

/* Core typography */
h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.15; font-weight: 700; }
p { margin: 0 0 1rem; color: var(--muted); }
strong { color: var(--text); }

/* Header / Hero pattern */
header {
  padding: 1.5rem 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,.15);
  background: rgba(0,0,0,.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
header h1 { font-size: clamp(1.6rem, 2vw + 1rem, 2.8rem); margin: .25rem 0 0.25rem; letter-spacing: .2px; }

/* Navigation (compact) */
nav { margin-top: .25rem; }
nav a {
  color: var(--text);
  text-decoration: none;
  padding: .4rem .75rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(0,0,0,.25);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
nav a:hover, nav a:focus { text-decoration: underline; outline: none; }

/* Main content area */
main { padding: 2rem 1rem; display: grid; place-items: center; }
article { width: min(100%, 1100px); }

/* Image frame styling */
.image-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(0,0,0,.25);
  box-shadow: 0 8px 26px rgba(0,0,0,.5), inset 0 0 0 1px rgba(255,255,255,.15);
}
.image-frame img {
  width: 100%; height: 100%; object-fit: cover;
  display: block;
  /* subtle glow border */
  filter: saturate(1.05);
}

/* Content readability panels (optional content region) */
.content { padding: 1rem; color: var(--muted); }

/* Product ad / footer callouts (glass panels) */
footer { padding: 1.5rem; display: grid; gap: .75rem; justify-items: center; text-align: center; color: var(--muted); background: rgba(0,0,0,.2); }
.product-ad, .sponsored-page { width: min(100%, 860px); }

/* Interactive controls (buttons/links) */
a, button, .btn, .cta {
  -webkit-tap-highlight-color: transparent;
}
.btn {
  display: inline-block;
  padding: .65rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,.25);
  background: linear-gradient(135deg, var(--accent), #b20b1e);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.cta {
  display: inline-block;
  padding: .65rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(212, 175, 55, .8);
  background: rgba(212, 175, 55, .12);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}
.cta:hover { background: rgba(212, 175, 55, .22); }

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

/* Lists (utilities) */
ul { padding: 0; margin: 0; list-style: none; }
li { margin: 0; }

/* Utility classes (grid/card/tag) */
.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  color: var(--text);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.tag {
  display: inline-block;
  font-size: 12px;
  padding: .15rem .4rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.3);
  color: var(--text);
  background: rgba(0,0,0,.15);
}

/* Layout helpers for accessibility focus outlines */
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 6px; }

/* Layout scaling helpers (mobile-first) */
@media (min-width: 640px) {
  .container { padding-inline: 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* Print styles (basic readability) */
@media print {
  body { background: white; color: black; }
  header, main, footer { background: none; display: block; }
}