/* CSS: Future Cyberpunk Landing Theme (Chartreuse x Peach) */

/* Tokens */
:root{
  --bg: #0a0f14;
  --bg-2: #0b1a16;
  --text: #e6ffef;
  --muted: #a9c8b3;
  --accent: #b7ff00;     /* chartreuse */
  --accent-2: #ffb07c;    /* peach */
  --glass: rgba(10, 18, 16, 0.28);
  --glass-border: rgba(183, 255, 0, 0.55);
  --shadow: 0 8px 26px rgba(0,0,0,.25);
  --radius: 14px;
}

/* Base */
* { box-sizing: border-box; }
html, body { height: 100%; }
html { color-scheme: dark; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  /* Layered background: gradient + starfield (pure CSS) + subtle scanlines */
  background-image:
    radial-gradient(circle at 10px 20px, rgba(183, 255, 0, 0.95) 1px, transparent 2px),
    radial-gradient(circle at 60px 60px, rgba(183, 255, 0, 0.75) 1px, transparent 2px),
    radial-gradient(circle at 120px 40px, rgba(183, 255, 0, 0.5) 1px, transparent 2px),
    linear-gradient(#0a0f14, #0a0f14),
    repeating-linear-gradient(to bottom,
      rgba(255,255,255,0.04) 0px, rgba(255,255,255,0.04) 1px,
      transparent 1px, transparent 3px);
  background-size: 140px 140px, 180px 180px, 220px 220px, 100% 100%, 100% 100%;
  background-blend-mode: screen, screen, screen, normal, overlay;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  isolation: isolate;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #0b0f14; }
}

/* Layout helpers (compact utilities) */
.container {
  width: 100%;
  max-width: clamp(720px, 92vw, 1100px);
  margin-inline: auto;
  padding-inline: 1rem;
}
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 12px;
  padding: 1rem;
  transition: transform .2s ease, background .2s ease;
}
.card:hover { transform: translateY(-1px); background: rgba(255,255,255,0.12); }

/* Typography (fluid) */
h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.15; color: var(--text); }
h1 { font-size: clamp(1.75rem, 2.6vw + 1rem, 2.75rem); letter-spacing: .2px; }
p { margin: 0 0 0.75rem; color: var(--muted); }

/* Header / hero (glass panel) */
header {
  padding: 2rem 1rem;
  display: grid;
  place-items: center;
  text-align: center;
  border-radius: var(--radius);
  margin: 1.25rem auto;
  width: min(1024px, 92vw);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}
header h1 { color: var(--text); }

/* Main content area */
main { display: block; padding: 1rem; }

/* Image frame (with aspect-ratio and glow) */
.image-frame {
  width: min(90vw, 760px);
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(183, 255, 0, 0.45);
  box-shadow: 0 14px 40px rgba(0,0,0,.32), inset 0 0 0 1px rgba(0,0,0,.05);
  margin: 0 auto;
  background: rgba(0,0,0,.25);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.05);
}

/* Content area glow panels (optional glass on content blocks) */
.content {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 12px;
  background: rgba(12, 24, 20, 0.28);
  border: 1px solid rgba(184, 255, 0, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
@supports not (backdrop-filter: blur(8px)) {
  .content { background: rgba(12, 24, 20, 0.88); }
}

/* Product ad / footer sections (glass panels) */
.product-ad {
  display: inline-block;
  margin: 0.75rem auto;
  padding: .5rem;
  border-radius: 12px;
  background: rgba(8, 20, 16, 0.28);
  border: 1px solid rgba(183, 255, 0, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.product-ad a {
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(183, 255, 0, 0.55);
  background: rgba(183, 255, 0, 0.15);
  font-weight: 600;
}
.product-ad a:hover { background: rgba(183, 255, 0, 0.25); text-decoration: none; }

/* Sponsored section (helper glass) */
.sponsored-page {
  display: inline-block;
  padding: .5rem;
  border-radius: 12px;
  margin: .25rem auto;
  background: rgba(8, 20, 16, 0.28);
  border: 1px solid rgba(183, 255, 0, 0.55);
  backdrop-filter: blur(8px);
}
.sponsored-page a { color: var(--text); text-decoration: none; padding: .6rem 1rem; }

/* Links and CTAs (emphasize accessibility) */
a, button, .btn, .cta {
  color: var(--text);
  text-decoration: none;
  outline: none;
}
a:hover, a:focus { text-decoration: underline; color: var(--accent-2); }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

/* Buttons (solid and outline variants) */
.btn {
  display: inline-block;
  padding: .6rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,.2);
  font-weight: 700;
  background: var(--accent);
  color: #0b0f0a;
  transition: transform .2s ease, background .2s ease;
}
.btn.secondary, .cta {
  background: transparent;
  border: 1px solid rgba(183, 255, 0, 0.55);
  color: var(--text);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Lists (ul/li) */
ul { margin: 0; padding-left: 1.25rem; color: var(--muted); }
li { margin: 0.25rem 0; }

/* Aside (optional for layout) */
aside { display: none; }

/* Print styles: readability */
@media print {
  body { background: #fff; color: #000; }
  header, main, footer { background: transparent; border: none; box-shadow: none; }
  .image-frame { width: 100%; height: auto; aspect-ratio: auto; }
}

/* Small screens: tighten typography and spacing */
@media (max-width: 640px) {
  header { padding: 1.25rem; }
  .image-frame { width: 100%; border-radius: 12px; }
  .container { padding-inline: 0.5rem; }
  .btn { width: auto; padding: .5rem .9rem; }
}

/* No external fonts / assets beyond page requirements. */