/* Tokens */
:root{
  --bg: #0b1020;
  --bg-2: #0a1a3a;
  --surface: rgba(255,255,255,0.08);
  --surface-2: rgba(255,255,255,0.12);
  --surface-3: rgba(255,255,255,0.22);
  --text: #eaf2ff;
  --muted: #a0afcc;
  --accent: #4169e1;
  --accent-2: #7bd1ff;
  --border: rgba(255,255,255,0.25);
  --shadow: 0 6px 20px rgba(0,0,0,0.25);
  --radius: 12px;
  --radius-lg: 14px;
}

/* Base & Background (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", "Liberation Sans", sans-serif; }
body {
  margin: 0;
  color: var(--text);
  background: 
    linear-gradient(135deg, rgba(20,24,60,0.95) 0%, rgba(8,14,34,0.95) 60%, rgba(6,10,26,0.95) 100%),
    repeating-linear-gradient(to bottom, rgba(255,255,255,0.04) 0 1px, transparent 1px 2px),
    repeating-linear-gradient(to right, rgba(255,255,255,0.04) 0 1px, transparent 1px 2px);
  background-blend-mode: overlay, overlay, overlay;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
  line-height: 1.5;
  padding: 0;
  margin: 0;
}

/* Glass panels & cards */
.glass, .card, .product-ad, .sponsored-page {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.fallback-solid {
  background: rgba(255,255,255,0.14);
}

/* Layout helpers */
.container { width: 100%; max-width: clamp(320px, 88vw, 1100px); margin-inline: auto; padding-inline: 1rem; }
.grid { display: grid; gap: 1rem; }
.card { padding: 1rem; }

/* Image frame */
.image-frame {
  aspect-ratio: 16 / 9;
  width: min(100%, 720px);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.4);
  box-shadow: inset 0 0 20px rgba(0,0,0,0.25);
  background: #000;
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(1.05); }

/* Core typography & content */
.content { padding: 1rem; color: var(--text); }

/* Hero / header */
header {
  text-align: center;
  padding: 1.25rem 0 0.75rem;
}
header h1 {
  font-size: clamp(1.6rem, 4vw + 0.5rem, 3.2rem);
  line-height: 1.15;
  margin: 0.25rem 0 0.5rem;
  color: #eaf2ff;
}
nav { display: flex; justify-content: center; gap: 0.75rem; padding-top: 0.25rem; }
nav a {
  color: var(--accent-2);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(122, 177, 255, 0.25);
  transition: transform 0.2s ease, background 0.2s ease;
}
nav a:hover { text-decoration: underline; background: rgba(255,255,255,0.04); transform: translateY(-1px); }

/* Links & controls accessibility */
a, button, .btn, .cta {
  color: var(--accent);
  text-decoration: none;
  outline: none;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
a[href]:focus-visible, button:focus-visible, .btn:focus-visible, .cta:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  text-decoration: underline;
}
a:hover { color: var(--accent-2); text-decoration: underline; }

/* Buttons (solid and outline variants) */
.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(65,105,225,0.9);
  background: linear-gradient(to bottom, rgba(65,105,225,1), rgba(40,80,180,0.95));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); opacity: 0.95; }

.btn.outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(65,105,225,0.9);
}
.cta { padding: 0.65rem 1rem; border-radius: 999px; }

/* Utility: containers, grid, cards, tags */
.tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  border-radius: 999px;
  background: rgba(65,105,225,0.15);
  color: #e8f0ff;
  border: 1px solid rgba(65,105,225,0.45);
}
.card { display: block; }

/* Lists */
ul { margin: 0.5rem 0; padding-left: 1.25rem; color: var(--muted); }
li { margin: 0.25rem 0; }

/* Footer / ads sections */
footer { padding: 1.75rem 0 2rem; display: grid; gap: 1rem; justify-items: center; align-items: center; color: var(--muted); }

/* Ad blocks styled as glass panels */
.product-ad, .sponsored-page {
  width: min(100%, 1100px);
  padding: 0.9rem;
  text-align: center;
}
.product-ad a, .sponsored-page a { color: var(--text); display: block; padding: 0.4rem; }
.product-ad:hover, .sponsored-page:hover { background: rgba(255,255,255,0.12); }

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

/* Typography helpers (fluid) */
h1, h2, h3 { line-height: 1.15; letter-spacing: 0.2px; }
p { margin: 0.25rem 0 0.75rem; }

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