/* Base */
:root {
  --bg: #05060d;
  --bg-2: #0b1020;
  --text: #eaf4ff;
  --muted: #a9badd;
  --accent: #4bd8ff;       /* electric blue */
  --accent-2: #ffb1d9;     /* pastel pink */
  --surface: rgba(255, 255, 255, 0.08);      /* frosted look */
  --surface-2: rgba(255, 255, 255, 0.18);
  --border: rgba(255, 255, 255, 0.28);
  --shadow: 0 8px 24px rgba(0,0,0,.35);
  --radius: 14px;
  --radius-sm: 10px;
  --focus: 2px solid #7af0ff;
}

*, *::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;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text);
  background: linear-gradient(135deg, rgba(0,212,255,.12) 0%, rgba(255,0,140,.12) 60%, rgba(0,0,0,.0) 100%), 
              radial-gradient(circle at 15% 0%, rgba(0,180,255,.22), transparent 40%), 
              radial-gradient(circle at 90% 10%, rgba(255,180,210,.20), transparent 35%), 
              var(--bg);
}

/* Layered noise/scanline (pure CSS) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: 
    repeating-linear-gradient(to bottom, rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 1px, transparent 1px, transparent 2px),
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.04), transparent 40%);
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 0;
  mask: none;
  opacity: 0.25;
}

/* Layout primitives */
header, nav, main, article, aside, footer {
  position: relative;
  z-index: 1;
}

.container, .grid { width: 100%; padding-inline: 1rem; margin-inline: auto; }

/* Container helper (responsive max-width) */
.container { max-width: clamp(720px, 90vw, 1120px); }

/* Grid utility (responsive) */
.grid { display: grid; gap: 1rem; }

/* Typography scale (fluid) */
h1, h2, h3 { line-height: 1.25; margin: .35rem 0; }
p { margin: .75rem 0; color: var(--text); }
ul { margin: .75rem 0 1rem 1.25rem; color: var(--text); }
li { margin: .25rem 0; }

/* Glass panels (with graceful fallback) */
.article-glass, article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}
@supports not (backdrop-filter: blur(12px)) {
  article {
    background: rgba(255,255,255,0.22);
  }
}
.image-frame, .content, .product-ad, .sponsored-page {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.image-frame { overflow: hidden; border-radius: 12px; border: 1px solid rgba(255,255,255,0.25); }

/* Image styling (frame + image) */
.image-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.image-frame { aspect-ratio: 16 / 9; }

/* Content area (article body) */
.content { color: var(--text); }

/* Specific section elements (targeted selectors) */
header { padding: 1rem; text-align: center; border-bottom: 1px solid rgba(255,255,255,.25); background: rgba(5,6,13,0.25); }
header h1 { font-size: clamp(1.25rem, 2.6vw + 1rem, 2.25rem); margin: .25rem 0 0.25rem; color: #e8f5ff; letter-spacing: .2px; }
header .meta { font-size: .88rem; color: var(--muted); margin-top: .25rem; }

nav { margin-top: .5rem; display: inline-block; padding: .25rem 0; }
nav a { color: var(--accent); text-decoration: none; padding: .25rem .5rem; border-radius: 6px; border: 1px solid rgba(75,216,255,.5); }
nav a:focus-visible { outline: 3px solid #7af0ff; outline-offset: 2px; }

/* Main content layout */
main { padding: 1rem 0; }
article { margin: 0 auto; max-width: 900px; }

/* Headline and content hierarchy within article */
article h2 { font-size: clamp(1.25rem, 1vw + 1.25rem, 2rem); margin-top: .25rem; color: #e9f2ff; }
article h3 { font-size: clamp(1rem, 0.8vw + 1rem, 1.25rem); color: #e8f0ff; margin-top: .75rem; }
article p { color: color-m-mix(in oklab, white 88%, black 12%); color: var(--text); }

/* Feature image wrapper (rename-friendly) */
.featured-image { margin: 1rem 0; }

/* Actionable elements (a, button, .btn, .cta) */
a, button, .btn, .cta {
  color: #061027;
  text-decoration: none;
}
a { color: var(--accent); }
a:hover, a:focus-visible { text-decoration: underline; color: var(--accent-2); outline: none; }

/* Button styles (solid and outline variants) */
button, .btn, .cta {
  display: inline-block;
  padding: .65rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(75,216,255,.6);
  background: linear-gradient(135deg, rgba(75,216,255,.28), rgba(255,176,208,.28));
  color: #02112a;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease;
}
button:hover, .btn:hover, .cta:hover { transform: translateY(-1px); }
button:active, .btn:active, .cta:active { transform: translateY(0); }

/* Focus visibility (accessible) */
:focus-visible { outline: 3px solid #7af0ff; outline-offset: 2px; border-radius: 6px; }

/* Lists and small emphasis tags */
ul { padding-left: 1rem; }
.tag {
  display: inline-block;
  padding: .15rem .5rem;
  font-size: .75rem;
  border-radius: 999px;
  color: #04182c;
  background: rgba(75,216,255,.55);
  border: 1px solid rgba(75,216,255,.9);
}

/* Layout utilities (for potential sections) */
.card { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.25); padding: .75rem; border-radius: 12px; }

/* Footer and ad blocks */
footer { padding: 1rem; text-align: center; color: var(--muted); }
.product-ad, .sponsored-page { display: inline-block; padding: .4rem 0; width: auto; margin: .25rem; }
.product-ad a, .sponsored-page a { display: block; padding: .75rem 1rem; border-radius: 10px; text-decoration: none; color: #02233f; background: rgba(75,216,255,.25); border: 1px solid rgba(75,216,255,.6);}
.product-ad a:hover, .sponsored-page a:hover { background: rgba(255, 180, 210, .25); }

/* Print styles (basic readability) */
@media print {
  body { background: white; color: #000; }
  a, a:visited { text-decoration: underline; color: #000; }
  .image-frame, .content, .product-ad { background: transparent; border: none; box-shadow: none; }
  header, nav, main, article, footer { page-break-inside: avoid; }
}

/* Responsive refinements */
@media (min-width: 640px) {
  .container { padding-inline: 1.25rem; }
  article { padding: 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}