:root {
  --bg: #040b15;
  --bg-2: #0a1a2a;
  --text: #eaf6ff;
  --muted: #b9d6ff;
  --accent: #4bd6ff;
  --accent-2: #8af7ff;
  --panel: rgba(12, 24, 48, 0.50);
  --panel-border: rgba(120, 210, 255, 0.40);
  --border: rgba(120, 210, 255, 0.40);
  --shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
  --radius: 14px;
  --radius-sm: 10px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
html { font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif; }
body {
  margin: 0;
  color: var(--text);
  line-height: 1.5;
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 0%, rgba(0,180,255,.20), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(0,255,255,.12), transparent 40%),
    linear-gradient(#051024 0%, #030a16 60%, #020611 100%);
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to right, rgba(255,255,255,.04) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(0,180,255,.08), transparent 40%);
  background-size: 100% 2px, 2px 100%, 100% 100%;
  mix-blend-mode: overlay;
  opacity: .9;
}
.header, .nav, main, article, aside, footer { display: block; }
.container {
  width: 100%;
  max-width: clamp(320px, 90vw, 1100px);
  margin-inline: auto;
  padding-inline: 1rem;
}
header {
  padding: 1.25rem 0 0;
}
header h1 {
  font-size: clamp(1.75rem, 2.5vw + 1rem, 3.5rem);
  line-height: 1.08;
  margin: 0 0 .25rem;
  letter-spacing: .4px;
  text-shadow: 0 0 18px rgba(0, 210, 255, .65);
}
header .meta {
  margin: 0;
  font-size: clamp(0.9rem, .8vw + .6rem, 1.05rem);
  color: var(--muted);
  opacity: .95;
}
main { padding: 0.75rem 0 2rem; position: relative; z-index: 1; }
.featured-image { margin: 1rem 0 0; border-radius: 12px; overflow: hidden; border: 1px solid rgba(120,210,255,.4); box-shadow: inset 0 0 12px rgba(0,0,0,.25); }
.featured-image img { width: 100%; height: auto; display: block; }

.image-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(120,210,255,.45);
  box-shadow: 0 8px 28px rgba(0,180,255,.25);
  background: #000;
  display: block;
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

.featured-image, .image-frame { background: rgba(2, 6, 20, 0.25); }

.content {
  padding: 0.75rem 0 0;
  color: var(--text);
  font-size: clamp(1rem, 0.85rem + 0.6vw, 1.125rem);
  line-height: 1.6;
}
.content h2 {
  font-size: clamp(1.25rem, 1vw + 1rem, 2rem);
  margin: .6rem 0;
  color: #e9f6ff;
}
.content p { margin: .5rem 0; }
ul, li { margin: 0 0 0.5rem 1.5rem; padding: 0; }
ul { list-style: disc; }
li { margin: .25rem 0; }

.tag {
  display: inline-block;
  font-size: .75rem;
  padding: .25rem .5rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.45);
  background: rgba(0,180,255,.25);
  color: #fff;
}

.product-ad {
  margin: 1rem 0.25rem 0;
  padding: .75rem;
  border-radius: var(--radius);
  background: rgba(2, 20, 46, 0.44);
  border: 1px solid rgba(120,210,255,.4);
}
.product-ad a { display: block; padding: .75rem; border-radius: .75rem; text-align: left; color: #fff; text-decoration: none; background: rgba(2, 140, 255, 0.35); border: 1px solid rgba(255,255,255,.4); transition: transform .2s ease, background .2s ease; }
.product-ad a:hover { transform: translateY(-1px); background: rgba(2,140,255,0.55); }
.product-ad a:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

.sponsored-page { margin: .5rem 0 0; padding: .75rem; border-radius: var(--radius); background: rgba(2, 20, 46, 0.36); border: 1px solid rgba(120,210,255,.4); }
.sponsored-page a { display: block; padding: .6rem; border-radius: .6rem; color: #fff; text-decoration: none; background: rgba(0, 180, 255, 0.25); border: 1px solid rgba(255,255,255,.4); }
.sponsored-page a:hover { background: rgba(0,180,255,.40); }

footer { padding: 1rem 0 2rem; }

a, button, .btn, .cta {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  cursor: pointer;
  outline: none;
}
a { color: #fff; }

.btn {
  padding: .65rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.5);
  background: rgba(0, 180, 255, .9);
  color: #00131a;
  text-align: center;
  transition: transform .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-1px); background: rgba(0,180,255,.95); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }

.btn--outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.8);
  color: #fff;
}
.btn--outline:hover { background: rgba(255,255,255,.08); }

.cta { padding: .6rem 1rem; border-radius: 999px; border: 1px solid rgba(120,210,255,.7); background: rgba(0,0,0,.25); color: #fff; }
.cta:hover { background: rgba(0,0,0,.4); }

.content a, .content a:focus-visible { text-decoration: underline; text-underline-offset: .2em; }

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.card:focus { outline: none; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

@media (min-width: 768px) {
  .container { padding-inline: 2rem; }
  header { padding-top: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  .btn, .cta { transition: none; transform: none; }
  body::before { background-position: 0 0, 0 0, 0 0; }
}
@media print {
  body { background: white; color: black; }
  .card, .image-frame { background: white; border: 0; box-shadow: none; }
}