/* Base */
:root{
  --bg: #0a1020;
  --bg-2: #061027;
  --text: #e9f2ff;
  --muted: #a6b6d4;
  --accent: #00baff;
  --accent-2: #1e90ff;
  --glass: rgba(10, 18, 40, 0.22);
  --glass-2: rgba(10, 18, 40, 0.12);
  --border: rgba(110, 180, 255, 0.40);
  --focus: 0 0 0 3px rgba(0, 180, 255, 0.6);
  --shadow-soft: 0 6px 20px rgba(0,0,0,.25);
  --radius: 12px;
}
html, body { height: 100%; }
html { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif; }
body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(135deg, rgba(6,10,30,.95) 0%, rgba(6,14,40,.95) 60%, rgba(4,8,30,.95) 100%), 
              radial-gradient(circle at 20% 0%, rgba(0,180,255,.15), transparent 40%),
              radial-gradient(circle at 80% 20%, rgba(0,100,255,.08), transparent 40%);
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 4px 4px, 4px 4px;
  mix-blend-mode: overlay;
  opacity: 0.25;
}
@supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)) {
  body::before { opacity: 0.25; }
}
@supports not (backdrop-filter: blur(12px)) {
  body::before { opacity: 0.0; }
}

/* Layout primitives */
.container { max-width: clamp(320px, 92vw, 1100px); margin-inline: auto; padding-inline: 1rem; }

/* Glass panels for major regions (header/nav/main/article/aside/footer) */
header, nav, main, article, aside, footer {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin: 0.75rem auto;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
@supports not (backdrop-filter: blur(12px)) {
  header, nav, main, article, aside, footer {
    background: var(--glass-2);
    border-color: rgba(110,180,255,.55);
    backdrop-filter: none;
  }
}
header { text-align: center; padding: 1rem 1rem 0.5rem; }
header h1 { margin: 0.25rem 0 0.5rem; font-size: clamp(1.4rem, 2vw + 1rem, 2.4rem); line-height: 1.15; letter-spacing: .2px; color: var(--text); }
header .meta { color: var(--muted); font-size: 0.92rem; margin: 0 0 0.5rem; }
nav { display: flex; justify-content: center; gap: .5rem; padding: .5rem 0; margin-top: .25rem; }
nav a { color: var(--accent); text-decoration: none; font-weight: 600; padding: .25rem .5rem; border-radius: 6px; }
nav a:focus-visible { outline: var(--focus); outline-offset: 2px; }

/* Hero/content area */
main { display: block; padding: 1rem 0; }
article { max-width: 760px; margin-inline: auto; padding: 1rem; }
.featured-image { margin: 0 0 1rem; }
.image-frame { aspect-ratio: 16/9; width: 100%; overflow: hidden; border-radius: 12px; border: 1px solid rgba(255,255,255,.25); box-shadow: inset 0 0 12px rgba(0,0,0,.25), 0 6px 20px rgba(0,255,255,.15); background: #111; }
.image-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Typography helpers for content */
.content { color: var(--text); }
h1, h2 { color: var(--text); margin: 1rem 0 .5rem; line-height: 1.25; }
h2 { font-size: clamp(1.1rem, 1.2vw + 0.8rem, 1.6rem); }
p { color: var(--text); margin: .75rem 0; font-size: clamp(0.95rem, 0.4vw + 0.95rem, 1.05rem); line-height: 1.6; }
ul { padding-left: 1.25rem; margin: .6rem 0; color: var(--text); }
li { margin: .25rem 0; }

/* Links and interactive elements */
a, button, .btn, .cta { text-decoration: none; color: var(--accent); font-weight: 600; }
a:hover, a:focus-visible { text-decoration: underline; text-underline-offset: 3px; outline: none; }
button, .btn { cursor: pointer; border: none; border-radius: 8px; padding: .75rem 1rem; display: inline-block; font-size: 1rem; }
.btn { background: linear-gradient(135deg, rgba(0,180,255,.75), rgba(0,100,255,.75)); color: #fff; border: 1px solid rgba(180,240,255,.9); transition: transform .15s ease, box-shadow .15s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(0,180,255,.4); }
.btn:active { transform: translateY(0); }
.btn-outline { background: transparent; border: 1px solid rgba(180,240,255,.8); color: var(--text); }
.cta { background: linear-gradient(135deg, rgba(0,200,255,.95), rgba(0,120,255,.95)); color: #041226; border: 1px solid rgba(180,240,255,.95); }

/* Utility classes (layout) */
.container { max-width: clamp(320px, 92vw, 1100px); margin-inline: auto; padding-inline: 1rem; }
/* Lightweight responsive grid utility */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }

/* Cards and tags (for potential sections) */
.card { background: var(--glass); border: 1px solid var(--border); border-radius: 12px; padding: 1rem; box-shadow: var(--shadow-soft); }

/* Section-specific items present in markup */
.product-ad { display: block; text-align: center; padding: .75rem; margin: .25rem 0; }
.product-ad a { display: block; padding: .5rem; border-radius: 8px; background: rgba(0, 0, 0, 0.15); }
.sponsored-page { text-align: center; padding: .75rem; }

/* Tag helper (when used) */
.tag { display: inline-block; padding: .25em .5em; border-radius: 999px; border: 1px solid rgba(0,180,255,.6); color: var(--text); background: rgba(0,180,255,.15); font-size: .8rem; }

/* Print styles (basic readability) */
@media print {
  body { background: #fff; color: #000; }
  header, nav, main, article, aside, footer { background: transparent; border: none; box-shadow: none; }
  a, button { color: #06f; text-decoration: underline; }
}

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