/* Section: Tokens & Base */
:root{
  --bg: #0b0620;
  --bg-2: #1a1030;
  --surface: rgba(255,255,255,0.08);
  --surface-2: rgba(255,255,255,0.14);
  --text: #e8e1ff;
  --muted: #b9b3cf;
  --accent: #7ac08a;          /* sage green */
  --accent-2: #5f9f79;
  --focus: #a2f0ff;
  --border: rgba(255,255,255,0.25);
  --shadow: 0 6px 18px rgba(0,0,0,.25);
  --radius: 14px;
  --radius-sm: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --size-base: 1rem;
  --btn-text: #ffffff;
  --btn-bg: var(--accent);
  --btn-outline: rgba(255,255,255,0.65);
  --btn-outline-bg: rgba(255,255,255,0.08);
}

/* Section: Reset & Layout */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(14px, 1vw + 12px, 16px);
  line-height: 1.5;
  color: var(--text);
  background: linear-gradient(135deg, #1a1030 0%, #0b0720 60%, #0a0616 100%);
  position: relative;
  isolation: isolate;
  min-height: 100%;
}
html, body, header, nav, main, article, aside, footer { scroll-behavior: smooth; }

/* Section: Layered background (gradient + subtle scanlines) */
body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  /* gradient base + subtle scanlines */
  background:
    linear-gradient(135deg, rgba(140,110,200,.25), rgba(20,40,20,.0) 60%),
    linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, transparent 1px 4px);
  background-size: 100% 100%, 100% 4px;
  mix-blend-mode: overlay;
  opacity: .95;
  will-change: transform;
}

/* Section: Glass panel fallback (base) */
.glass {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
@supports (backdrop-filter: blur(8px)) {
  .glass {
    background: rgba(255,255,255,0.12);
  }
  .glass.soft {
    background: rgba(255,255,255,0.16);
  }
}
@supports not (backdrop-filter: blur(8px)) {
  .glass {
    background: rgba(255,255,255,0.10);
  }
}

/* Section: Typography & helpers */
header, main, footer, nav, article, aside { display: block; }
header { padding: 1rem; text-align: center; }
header h1 { margin: 0; font-size: clamp(1.6rem, 2vw + 1.8rem, 3rem); line-height: 1.15; letter-spacing: .4px; color: var(--text); }
p { color: var(--muted); margin: 0 0 0.75rem; }

/* Section: Container & grid utilities */
.container {
  width: 100%;
  max-width: clamp(320px, 90vw, 1200px);
  margin-inline: auto;
  padding-inline: 1rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 12px;
  padding: 1rem;
}
.tag {
  display: inline-block;
  padding: .15rem .6rem;
  border-radius: 999px;
  font-size: .75rem;
  line-height: 1;
  color: #e9fff1;
  background: rgba(122, 200, 138, 0.20);
  border: 1px solid rgba(122,200,138,0.45);
}

/* Section: Image frame styling */
.image-frame {
  width: min(90%, 720px);
  aspect-ratio: 16/9;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: 0 6px 22px rgba(0,0,0,.25);
  background: #000;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
  transform: scale(1.00);
}
@media (min-width: 720px) {
  .image-frame { margin: 0.5rem auto 1rem; }
}

/* Section: Content utility (for potential .content usage) */
.content { padding: 0.75rem; }

/* Section: Links, buttons & interactive controls */
a, button, .btn, .cta {
  cursor: pointer;
  text-decoration: none;
  color: #fff;
  outline: none;
}
a { color: #e6e1ff; text-decoration: none; }
a:hover, a:focus { text-decoration: underline; color: #f2ebff; }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }

/* Button styles: solid & outline variants */
.btn, .cta {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.4);
  background: var(--btn-bg);
  color: var(--btn-text);
  font-weight: 600;
  transition: transform .15s ease, background .2s ease;
  text-align: center;
}
.btn:hover, .cta:hover { transform: translateY(-1px); }
.btn:active, .cta:active { transform: translateY(0); }
.btn:focus-visible, .cta:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}
.btn.outline, .cta.outline {
  background: transparent;
  color: #e8e1ff;
  border: 1px solid var(--btn-outline);
}
.btn.outline:hover, .cta.outline:hover {
  background: rgba(255,255,255,0.08);
}

/* Section: Lists */
ul { padding-left: 1.25rem; margin: .5rem 0; }
li { margin: .25rem 0; }

/* Section: Footer / product-ad blocks */
.product-ad, .sponsored-page {
  display: block;
  padding: .75rem;
  margin: .5rem 0;
  text-align: center;
  border-radius: 12px;
}
.product-ad { background: rgba(122, 200, 138, 0.22); border: 1px solid rgba(122,200,138,0.5); }
.sponsored-page { background: rgba(0,0,0,0.25); border: 1px solid rgba(255,255,255,0.25); }

/* Section: Layout scaffolding (header/main/article/footer) */
header { background: transparent; }
main { padding: 1rem 0; }
footer { padding: 1rem 0; text-align: center; color: var(--muted); }

/* Section: Print (basic readability) */
@media print {
  body { background: #fff; color: #000; }
  .glass, .image-frame { background: #fff !important; border: none; box-shadow: none; }
  a, button { color: #000; text-decoration: none; }
}

/* Section: Accessibility & motion preferences */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; transform: none !important; }
} 

/* Section: Nav/utility defaults (neutral for minimal markup) */
nav { padding: 0.5rem 1rem; }
nav a { color: var(--text); padding: .25rem .5rem; border-radius: 6px; }
nav a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* Section: State compatibility helpers (ensure selectors exist even if unused) */
:where(html, body, header, nav, main, article, aside, footer) { /* presentational */ }