/* Global tokens */
:root {
  /* Palette: forest green base with cosmic blue accents */
  --bg: #05240f;
  --bg-2: #0b3d2e;
  --text: #eafaf1;
  --muted: #a6d4c2;
  --accent: #3b82f6;       /* cosmic blue (primary) */
  --accent-2: #22d3ee;     /* secondary blue-green glow */
  --glass: rgba(255,255,255,0.08);
  --glass-2: rgba(255,255,255,0.18);
  --border: rgba(255,255,255,0.28);
  --shadow: 0 8px 28px rgba(0,0,0,0.35);
  --radius: 14px;
  --radius-sm: 10px;
}

/* Global layout & typography */
html, body {
  height: 100%;
}
* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  color: var(--text);
  background: linear-gradient(135deg, rgba(2,36,16,0.95) 0%, rgba(6,18,12,0.95) 60%, rgba(3,9,7,0.95) 100%);
  background-blend-mode: normal;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  font-size: clamp(14px, 1.2vw + 12px, 18px);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  isolation: isolate;
}
body::before {
  /* Subtle scanline/noise overlay (pure CSS) */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: soft-light;
  background-image:
    linear-gradient(to bottom, rgba(0,0,0,0) 0 60%, rgba(0,0,0,0.25) 60% 100%),
    repeating-linear-gradient(to bottom, rgba(255,255,255,0.04) 0 1px, rgba(255,255,255,0.0) 1px 2px);
  opacity: 0.25;
}
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid #a5f3fc; outline-offset: 3px; text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid #a5f3fc; outline-offset: 2px; }

/* Global utility containers & grid */
.container {
  width: 100%;
  max-width: clamp(320px, 90vw, 1100px);
  padding-inline: 1rem;
  margin-inline: auto;
}
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
@supports not ((backdrop-filter: blur(8px))) {
  .card { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.25); }
}
.content { display: block; }

/* Layout elements */
header, nav, main, article, aside, footer {
  display: block;
}
header {
  padding: 1.75rem 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.18);
  background: linear-gradient(to bottom right, rgba(4,30,16,0.6), rgba(2,12,8,0.4));
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
}
header h1 {
  margin: 0.25rem auto 0.25rem;
  font-size: clamp(1.6rem, 4vw + 0.5rem, 2.75rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: .2px;
}
header .meta {
  margin: .25rem auto 0;
  font-size: clamp(0.8rem, 0.4vw + 0.8rem, 1rem);
  color: var(--muted);
}
nav {
  margin-top: .75rem;
}
nav a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.28);
  background: rgba(255,255,255,0.08);
  color: var(--text);
}
nav a:hover { background: rgba(255,255,255,0.14); transform: translateY(-1px); }

/* Hero / main content */
main { padding: 2rem 0 3rem; }
.article { display: grid; gap: 1.25rem; }
.featured-image { border-radius: calc(var(--radius) - 2px); overflow: hidden; border: 1px solid rgba(255,255,255,0.28); box-shadow: 0 6px 22px rgba(0,0,0,0.25); }
.featured-image img { width: 100%; height: auto; display: block; object-fit: cover; aspect-ratio: 16/9; }

h2 { font-size: clamp(1.4rem, 2.5vw + 0.6rem, 2rem); margin: 0.25rem 0; color: #e6fff7; }
p { color: #e7fff4; margin: .5rem 0; }
blockquote {
  margin: .5rem 0;
  padding: .75rem 1rem;
  border-left: 4px solid var(--accent);
  color: #eaffff;
  background: rgba(59,130,246,0.08);
  border-radius: 6px;
}
ul { margin: .5rem 0 1rem 1.25rem; color: #eaffff; }
li { margin: .25rem 0; }

/* Image frame styling (image-frame selector) */
.image-frame {
  aspect-ratio: 16/9;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow:
    inset 0 0 20px rgba(0,0,0,0.25),
    0 4px 18px rgba(0,0,0,0.25);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Product ad / footer callouts (glass panels) */
.product-ad, .sponsored-page, .glass-panel {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  text-align: center;
  backdrop-filter: blur(6px);
}
.product-ad a, .sponsored-page a { display: inline-flex; align-items: center; justify-content: center; width: 100%; height: 100%; color: var(--text); text-decoration: none; font-weight: 600; }
footer {
  padding: 1.5rem;
  display: grid;
  gap: .75rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  align-items: center;
  background: linear-gradient(to top right, rgba(2,12,8,0.6), rgba(0,0,0,0.0));
  border-top: 1px solid rgba(255,255,255,0.15);
}
footer p { margin: 0; text-align: center; color: var(--muted); }

/* CTA / button styles */
a.btn, button.btn, .cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, border-color .2s ease;
}
a.btn.primary, button.btn.primary, .cta.primary {
  background: linear-gradient(135deg, var(--accent) 0%, #1e3a8a 100%);
  border: 1px solid rgba(59,130,246,0.95);
  color: white;
}
a.btn.secondary, button.btn.secondary {
  background: rgba(0,0,0,0);
  border-color: rgba(59,130,246,0.9);
  color: var(--accent);
}
a.btn:hover, button.btn:hover, .cta:hover {
  transform: translateY(-1px);
}
a.btn:focus-visible, button.btn:focus-visible, .cta:focus-visible {
  outline: 2px solid #a5f3fc;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(59,130,246,0.25);
}
.tag {
  display: inline-block;
  padding: .25em .6em;
  border-radius: 999px;
  font-size: .8rem;
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

/* Lists for accessibility: ensure readability on glass */
ul, li { -webkit-font-smoothing: antialiased; }

/* Print styles (basic readability) */
@media print {
  body { background: #fff; color: #000; }
  header, nav, footer { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
}

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