/* Palette & System Tokens */
:root {
  --bg: #1b0924;           /* aubergine base */
  --bg-2: #2a0f40;         /* void purple accent */
  --text: #eae0f6;          /* high-contrast light text */
  --muted: #c8bdce;         /* muted body text */
  --accent: #7b3bd9;        /* primary accent (hacker/cyber) */
  --accent-2: #9a6aff;      /* secondary accent */
  --surface: rgba(255,255,255,.08);      /* glass panel fill */
  --surface-2: rgba(255,255,255,.14);    /* fallback glass */
  --border: rgba(255,255,255,.25);
  --shadow: 0 6px 20px rgba(0,0,0,.25);
  --radius: 14px;
  --focus: 0 0 0 3px rgba(123, 99, 255, .55);
  --tag: rgba(123, 50, 255, .25);
  --grid-gap: 1rem;
}

/* Base & reset-lite (mobile-first) */
* { 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; }
body {
  margin: 0;
  color: var(--text);
  line-height: 1.5;
  background:
    radial-gradient(circle at 15% 0%, rgba(255,255,255,.05), transparent 25%),
    radial-gradient(circle at 85% 10%, rgba(0,0,0,.08), transparent 25%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-2) 60%, var(--bg) 100%),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, transparent 1px 2px);
  /* No fixed attachment for performance on mobile */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Layout helpers (utility-like) */
.container {
  width: 100%;
  max-width: clamp(320px, 92vw, 1100px);
  margin-inline: auto;
  padding-inline: 1rem;
}
.grid {
  display: grid;
  gap: var(--grid-gap);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 2px);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--tag);
  color: #fff;
}
.content { padding: 0.75rem 0; color: var(--text); }

/* Typography & hero basics */
header { padding: 0.75rem 0; text-align: center; }
header h1 {
  margin: 0;
  font-size: clamp(1.6rem, 4vw + 0.5rem, 2.8rem);
  font-weight: 700;
  letter-spacing: .2px;
}
main { display: grid; place-items: start; padding: 1rem 0; }

/* Image frame (with glass effect) */
.image-frame {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08);
  box-shadow: 0 8px 28px rgba(0,0,0,.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@supports not (backdrop-filter: blur(12px)) {
  .image-frame { background: rgba(255,255,255,.16); }
}

/* Footer / sections */
footer {
  padding: 1rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  align-items: start;
  justify-items: center;
}
.product-ad, .sponsored-page {
  width: min(100%, 420px);
  padding: 0.75rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08);
  text-align: center;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.product-ad a, .sponsored-page a { color: var(--text); text-decoration: none; display: block; padding: .25rem; }
.product-ad p, .sponsored-page p { margin: 0; font-weight: 600; }

/* Interactive elements (buttons/links) */
a { color: var(--accent-2); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; outline: 0; }
button, .btn, .cta {
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  padding: 0.65rem 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  transition: transform .18s ease, background-color .2s ease, border-color .2s ease;
}
.btn.secondary, .cta {
  background: transparent;
  color: var(--text);
  border-color: rgba(255,255,255,.4);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible, .cta:focus-visible {
  outline: 0;
  box-shadow: var(--focus);
}
footer p { margin: .25rem 0 0; color: var(--muted); font-size: .875rem; }

/* Navigation / Aside (presentational defaults) */
nav { display: block; }
aside { display: none; }

/* Print accessibility (basic readability) */
@media print {
  body {
    background: #fff;
    color: #000;
  }
  a { text-decoration: underline; }
  .image-frame { page-break-inside: avoid; }
}

/* Reduced motion (respect user preference) */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}