/* 1) Theme & Foundations */
:root {
  --bg: #041616;
  --bg-2: #021414;
  --text: #eafff4;
  --muted: #a5f2d1;
  --accent: #7CFF00;        /* chartreuse */
  --accent-2: #2DE07B;
  --glass: rgba(6, 28, 28, 0.22);
  --glass-2: rgba(6, 28, 28, 0.40);
  --border: rgba(110, 255, 210, 0.28);
  --shadow: 0 6px 20px rgba(0,0,0,.28);
  --radius: 12px;
  --focus: 2px solid var(--accent);
  --focus-offset: 2px;
  --gap: 1rem;
  --content-pad: 1rem;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Layered background: gradient + subtle scanlines for CRT feel */
  background-image:
    linear-gradient(to bottom right, rgba(0, 100, 90, 0.60), rgba(0, 40, 40, 0.70)),
    repeating-linear-gradient(to bottom, rgba(0,255,128,0.04) 0 1px, transparent 1px 2px),
    radial-gradient(circle at 20% 0%, rgba(0, 180, 120, 0.14), transparent 40%);
  background-blend-mode: normal, overlay, normal;
  background-size: cover;
  box-sizing: border-box;
  min-height: 100dvh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

/* 2) Layout utilities */
.container {
  width: 100%;
  max-width: clamp(320px, 92vw, 1100px);
  margin-inline: auto;
  padding-inline: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--gap);
}

.card {
  background: rgba(6, 28, 28, 0.28);
  border: 1px solid rgba(110, 255, 210, 0.32);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.tag {
  display: inline-block;
  padding: .15em .55em;
  font-size: .75rem;
  border-radius: 999px;
  background: rgba(124, 255, 0, 0.15);
  color: #eaffd7;
  border: 1px solid rgba(124, 255, 0, 0.35);
}

/* 3) Core elements styling (required selectors) */
html, body, header, nav, main, article, footer, aside {
  /* ensure these exist with sane default rendering when missing in HTML */
  /* (no extra layout here; handled by section rules below) */
}

header {
  padding: 1rem;
  text-align: center;
}

header h1 {
  margin: 0.25rem 0 0.75rem;
  font-size: clamp(1.25rem, 1rem + 2vw, 2rem);
  letter-spacing: .2px;
}

nav {
  display: flex;
  justify-content: center;
  gap: .75rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  padding: .25rem .5rem;
  border-radius: 6px;
  transition: color .2s ease;
}
nav a:hover,
nav a:focus-visible {
  text-decoration: underline;
  outline: none;
  color: #baffc4;
}
nav a:focus-visible {
  outline: var(--focus);
  outline-offset: var(--focus-offset);
  border-radius: 6px;
}

/* Main content area */
main {
  padding: 0.5rem 0 1rem;
}

article {
  display: grid;
  place-items: center;
  padding: 0;
}

.image-frame {
  width: min(92vw, 1000px);
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
  margin: 1rem auto;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 255, 170, 0.28);
  box-shadow: 0 10px 28px rgba(0,0,0,.25);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
}

/* Glass panel pattern (content area) */
.content {
  background: var(--glass);
  border: 1px solid rgba(110, 255, 210, 0.30);
  border-radius: var(--radius);
  padding: var(--content-pad);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text);
  box-shadow: var(--shadow);
}
@supports not (backdrop-filter: blur(12px)) {
  .content {
    background: rgba(6,28,28,0.50);
    border: 1px solid rgba(110, 255, 210, 0.60);
  }
}

.footer-glass {
  background: rgba(6, 28, 28, 0.25);
  border: 1px solid rgba(110, 255, 210, 0.30);
  border-radius: var(--radius);
  padding: 0.75rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}
@supports not (backdrop-filter: blur(8px)) {
  .footer-glass {
    background: rgba(6,28,28,0.50);
  }
}

/* 4) Links, buttons, CTA treatments (interactive) */
a, button, .btn, .cta {
  font-family: inherit;
  color: inherit;
  text-decoration: none;
  border: 0;
  background: none;
  cursor: pointer;
}
a {
  color: var(--accent-2);
}
a:hover, a:focus-visible {
  text-decoration: underline;
}
a:focus-visible {
  outline: var(--focus);
  outline-offset: var(--focus-offset);
}
.btn, .cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-weight: 700;
  letter-spacing: .2px;
  transition: transform .15s ease, background .2s ease, color .2s ease;
}
.btn { background: var(--accent); color: #041a0b; }
.btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn:active { transform: translateY(0); }
.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn:focus-visible, .cta:focus-visible {
  outline: var(--focus);
  outline-offset: var(--focus-offset);
}

/* 5) Layout primitives & responsive behavior */
.container { width: 100%; max-width: clamp(320px, 92vw, 1100px); margin-inline: auto; padding-inline: 1rem; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--gap); }

/* 6) Special sections (footer blocks, ads, etc.) */
.product-ad {
  display: block;
  text-align: center;
  padding: 0.75rem;
  border-radius: var(--radius);
  background: rgba(6, 28, 28, 0.28);
  border: 1px solid rgba(110, 255, 210, 0.30);
  box-shadow: var(--shadow);
}
.product-ad a { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem 1rem; border-radius: 999px; border: 1px solid rgba(110,255,210,.35); }
.product-ad a:hover { background: rgba(110,255,210,.08); }

/* 7) List styling (ul/li) */
ul { padding-left: 1.25rem; }
li { margin: 0.25rem 0; }

/* 8) Typography helpers (responsive) */
h1, h2, h3 { line-height: 1.25; margin: .4em 0; }
p { margin: 0.5em 0; line-height: 1.55; }

@media (min-width: 640px) {
  .container { padding-inline: 1.25rem; }
  article { padding: 0 0.5rem; }
}
@media (min-width: 900px) {
  .grid { gap: 1.25rem; }
  .content { padding: 1.25rem; }
}

/* 9) Print styles (basic readability) */
@media print {
  body { background: white; color: #000; }
  header, nav, main, article, footer { display: block; }
  a { text-decoration: underline; color: #000; }
  .image-frame { page-break-inside: avoid; }
}
 
/* 10) Motion preferences */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}