:root {
  --bg: #0a1020;
  --bg-2: #0e1a2b;
  --text: #e8f4ff;
  --muted: #a9b8d6;
  --accent: #7bd6ff;
  --accent-2: #4bc4ff;
  --card: rgba(255,255,255,0.08);
  --card-2: rgba(255,255,255,0.12);
  --border: rgba(255,255,255,0.25);
  --shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* Base / Reset (mobile-first) */
html, body {
  height: 100%;
}
html, body {
  margin: 0;
  padding: 0;
  color: var(--text);
  background: 
    linear-gradient(135deg, rgba(5,10,25,.95), rgba(3,9,25,.95) 60%, rgba(5,8,20,.95)),
    linear-gradient(to bottom, rgba(123,214,255,.08), rgba(123,214,255,.04)),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, transparent 1px 2px);
  background-blend-mode: overlay, overlay, normal;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  color-scheme: dark;
}

* { box-sizing: border-box; }

/* Layout helpers */
.container {
  max-width: clamp(320px, 92vw, 1120px);
  margin-inline: auto;
  padding-inline: 1rem;
}
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .2s ease, background .2s ease;
}
.card:hover { transform: translateY(-2px); }
.tag {
  display: inline-block;
  padding: .25rem .5rem;
  border-radius: 999px;
  font-size: .75rem;
  background: rgba(123,214,255,.9);
  color: #041018;
  border: 1px solid rgba(255,255,255,.75);
}

/* Typography hierarchy (responsive) */
h1 {
  font-size: clamp(1.9rem, 4.5vw, 3.5rem);
  line-height: 1.04;
  margin: 0 0 .5rem;
  color: #fff;
  letter-spacing: .2px;
}
h2 { font-size: clamp(1.25rem, 3vw, 1.5rem); margin: .75rem 0 .5rem; color: #eaf4ff; }
p { color: var(--muted); margin: .5rem 0 1rem; }
blockquote {
  margin: 1rem 0;
  padding: .75rem 1rem;
  border-left: 4px solid var(--accent);
  background: rgba(123,214,255,.08);
  border-radius: 6px;
}
ul { margin: .5rem 0 1rem 1.25rem; color: var(--muted); }

/* Header & navigation styling (glassy, high contrast) */
header {
  padding: 1.25rem;
  position: relative;
}
header h1 { font-weight: 700; }
header .meta {
  color: var(--muted);
  font-size: .9rem;
  margin: .25rem 0 0;
}
nav {
  margin-top: .5rem;
}
nav a {
  color: var(--accent-2);
  text-decoration: none;
  padding: .25rem .5rem;
  border-radius: 6px;
  border: 1px solid rgba(123,214,255,.6);
  background: rgba(123,214,255,.15);
}
nav a:hover, nav a:focus-visible { text-decoration: underline; outline: none; }

/* Glass panels (fallback + backdrop-filter) */
.backdrop {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
}
@supports (backdrop-filter: blur(8px)) or (-webkit-backdrop-filter: blur(8px)) {
  .backdrop {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
}

/* Image framing rules */
.image-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.25);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.04), 0 6px 18px rgba(0,0,0,.25);
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.04);
  transition: transform .4s ease;
}
.image-frame:hover img { transform: scale(1.04); }

/* Content area */
.content { padding: 1rem 0; color: var(--text); }

/* Product ad blocks (footer) */
.product-ad {
  display: inline-block;
  margin: .25rem;
  vertical-align: middle;
  width: calc(50% - .5rem);
}
.product-ad a {
  display: block;
  text-decoration: none;
  padding: .75rem 1rem;
  border-radius: 12px;
  background: rgba(123,214,255,.18);
  color: #eaffff;
  border: 1px solid rgba(123,214,255,.6);
  text-align: center;
}
.product-ad a:hover { background: rgba(123,214,255,.28); }

/* Footer & general text styling */
footer {
  padding: 1rem;
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
}
footer p { color: var(--muted); margin: .5rem 0; }

/* Links & buttons (interactive states) */
a, button, .btn, .cta {
  font: inherit;
  color: var(--text);
}
a { text-decoration: none; color: var(--accent-2); }
a:hover, a:focus { text-decoration: underline; color: #bfeaff; }
a:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* Button variants */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .55rem .95rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.75);
  background: rgba(123,214,255,.95);
  color: #041018;
  cursor: pointer;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}
.btn.primary { background: rgba(123,214,255,.95); color: #041018; }
.btn.secondary {
  background: rgba(0,0,0,.0);
  color: var(--accent-2);
  border: 1px solid rgba(123,214,255,.8);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }

/* Forms (present in theme, minimal styling) */
input, textarea, select {
  width: 100%;
  padding: .5rem;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.4);
  background: rgba(255,255,255,.06);
  color: var(--text);
}
input::placeholder, textarea::placeholder { color: #a9b8d6; }

/* Accessibility: print-friendly defaults */
@media print {
  body { background: #fff; color: #000; }
  a { text-decoration: underline; }
}

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