:root{
  --bg: #0b001a;
  --bg-2: #2a0050;
  --text: #f8f7ff;
  --muted: #c8b8e8;
  --accent: #8a5cff;
  --accent-2: #9b4dff;
  --card: rgba(255,255,255,.08);
  --card-strong: rgba(255,255,255,.15);
  --border: rgba(255,255,255,.28);
  --shadow: 0 6px 20px rgba(0,0,0,.25);
  --radius: 14px;
  --radius-sm: 10px;
  --focus: 0 0 0 3px rgba(138,90,255,.6);
}
*{box-sizing:border-box}
html,body{height:100%}
html{font-family: system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
body{
  margin:0;
  color:var(--text);
  min-height:100%;
  /* Layered background: gradient + glow + scanline noise */
  background:
    radial-gradient(circle at 20% -10%, rgba(138,90,255,.18), transparent 40%),
    linear-gradient(135deg, #120028 0%, #280058 40%, #0b001a 100%),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, transparent 1px 2px);
  background-size: cover;
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@supports not (backdrop-filter: blur(12px)){
  body{ background-blend-mode: normal; }
}
body:before{
  content:"";
  position:fixed;inset:0;
  pointer-events:none;
  /* subtle per-pixel glow layer for depth (GPU-friendly) */
  background: radial-gradient(circle at 70% 20%, rgba(138,90,255,.15), transparent 40%);
  mix-blend-mode: screen;
}
header, main, footer, aside, nav, article{
  display:block;
}
header{ text-align:center; padding:3rem 1rem 2rem; }
header h1{ margin:0 0 .25rem; font-size: clamp(1.6rem, 2.8vw + 1rem, 2.8rem); line-height:1.15; font-weight:700; letter-spacing:.2px;
  color:var(--text);
  text-shadow: 0 0 12px rgba(138,90,255,.6);
}
header .meta{ color:var(--muted); font-size: clamp(.8rem, 1vw, 1rem); }
main{ padding: 0 1rem 2rem; }
.container{ width:100%; max-width: clamp(720px, 64vw, 1100px); margin-inline:auto; padding-inline:1rem; }
.grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap:1rem; }

.image-frame{ aspect-ratio:16/9; border-radius:var(--radius); overflow:hidden;
  border:1px solid rgba(255,255,255,.28);
  background:#000;
  box-shadow: inset 0 0 20px rgba(0,0,0,.25);
}
.image-frame img{ width:100%; height:100%; object-fit:cover; display:block; }

.content{ padding: .25rem 0 0; }

article{
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.28);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
@supports not (backdrop-filter: blur(12px)){
  article{ background: rgba(255,255,255,.18); }
}
h2{ font-size: clamp(1.25rem, 1.8vw + 1rem, 2.25rem); margin:.75rem 0 .5rem; color:#fff; }
h3{ font-size: clamp(1.05rem, 1.6vw + .6rem, 1.4rem); margin:.6rem 0; color:#fff; }
h4{ font-size: clamp(.95rem, 1.4vw + .4rem, 1.1rem); margin:.5rem 0; color:#fff; }
p{ margin:.5rem 0 1rem; color:#e9e3ff; }
ul{ margin: .5rem 0 1rem 1.25rem; padding:0; }
li{ margin:.25rem 0; line-height:1.5; }
blockquote{ margin: .75rem 0; padding:.75rem 1rem; border-left:4px solid var(--accent-2); background: rgba(0,0,0,.18); border-radius:8px; }
.product-ad{ display:block; padding:1rem; margin:1rem 0; text-align:center;
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.28);
  border-radius:12px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
@supports not (backdrop-filter: blur(12px)){
  .product-ad{ background: rgba(255,255,255,.18); }
}
.product-ad h3{ margin:.25rem 0 0; font-size:1.1rem; }
.product-ad a{ display:inline-block; margin-top:.5rem; padding:.65rem 1rem; border-radius:999px;
  background: linear-gradient(135deg, rgba(138,90,255,.95), rgba(110,40,200,.95));
  color:#fff; text-decoration:none; border:1px solid rgba(255,255,255,.4);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover{ transform: translateY(-1px); box-shadow: 0 6px 16px rgba(0,0,0,.25); }
.product-ad p{ margin:0; padding:0; color:#eaf0ff; font-weight:600; }

a, button, .btn, .cta{ cursor:pointer; color:inherit; text-decoration:none; }
a:focus-visible, button:focus-visible{ outline: var(--focus); outline-offset: 2px; border-radius:4px; }
a:hover{ text-decoration: underline; color: var(--accent-2); }

.btn{ display:inline-flex; align-items:center; justify-content:center;
  padding:.75rem 1.15rem; border-radius:999px; border:1px solid rgba(255,255,255,.42);
  background: linear-gradient(135deg, rgba(138,90,255,.95), rgba(120,50,180,.95));
  color:#fff; font-weight:600; line-height:1; white-space:nowrap;
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn.secondary{ background: rgba(255,255,255,.08); color:#fff; border:1px solid rgba(255,255,255,.36); }
.btn:hover{ transform: translateY(-1px); box-shadow: 0 8px 18px rgba(0,0,0,.25); }
.btn:active{ transform: translateY(0); filter: brightness(.98); }
.btn:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }

.cta{ display:inline-block; padding:.75rem 1rem; border-radius:8px; }
.tag{ display:inline-block; padding:.25rem .5rem; border-radius:999px;
  background: rgba(138,90,255,.25); color:#fff; border:1px solid rgba(138,90,255,.5);
  font-size:.75rem;
}
ul, li{ /* ensure accessibility defaults */ }

footer{ padding:2rem 1rem; text-align:center; color:var(--muted); }
@media (min-width: 720px){
  .container{ padding-inline:0; }
  header{ padding:4rem 1rem 2rem; }
}
@media (prefers-reduced-motion:safe){
  *{ animation: none !important; transition: none !important; }
}
@page{ margin: 0.5cm; }
@media print{
  body{ background: #fff; color:#000; }
  header, footer{ display:block; }
  article{ background: #fff; border: none; box-shadow:none; }
  a, .btn{ color:#000; text-decoration: underline; }
}
```