/* Base + Palette */
:root {
  --bg: #04060b;
  --bg-2: #02101a;
  --text: #eaffff;
  --muted: #a3f0ff;
  --accent: #00e5ff;        /* cyan */
  --accent-2: #ff2a57;      /* red */
  --surface: rgba(255,255,255,0.12);
  --surface-2: rgba(255,255,255,0.18);
  --border: rgba(255,255,255,0.28);
  --shadow: 0 8px 28px rgba(0,0,0,.28);
  --radius: 14px;
  --radius-sm: 10px;
  --focus: 0 0 0 3px rgba(0,229,255,.65);
}

html, body { height: 100%; }
* { box-sizing: border-box; }

html, body, header, nav, main, article, aside, footer {
  /* ensure predictable layout behavior across elements */
  display: block;
}

/* Layered background: gradient + subtle scanlines + cyan/red accents */
html, body {
  background:
    linear-gradient(135deg, rgba(0,238,255,0.08) 0%, rgba(255,0,60,0.08) 60%, rgba(0,238,255,0.08) 100%),
    radial-gradient(circle at 20% 0%, rgba(0,238,255,0.18), transparent 25%),
    repeating-linear-gradient(0deg, rgba(0,0,0,0.05) 0 2px, transparent 2px 4px),
    #03060b;
  color: var(--text);
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Arial;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

/* Layout utilities */
.container { width: min(92%, 1200px); margin-inline: auto; padding-block: 1rem; }
.grid { display: grid; gap: 1rem; }
.card { padding: 1rem; border-radius: var(--radius); background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.25); }

/* Glass panels with fallback */
.glass {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
@supports not (backdrop-filter: blur(12px)) {
  .glass { background: rgba(255,255,255,0.22); }
}

/* Page sections */
header, main, footer, aside { width: 100%; }

/* Header / hero */
header {
  padding: 1.25rem;
  display: grid;
  place-items: center;
  text-align: center;
}
header h1 {
  font-size: clamp(1.6rem, 1.2rem + 4vw, 3rem);
  line-height: 1.15;
  margin: 0.25rem 0 0.25rem;
  letter-spacing: .2px;
  text-shadow: 0 1px 0 rgba(0,0,0,.4);
}
header nav {
  margin-top: .5rem;
}
header nav a {
  color: var(--text);
  text-decoration: none;
  padding: .35rem .6rem;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.25);
}
header nav a:hover { background: rgba(255,255,255,.08); }

/* Main content + hero content area */
main { padding: 1rem 0; }
.article { display: grid; place-items: center; }

.image-frame {
  width: min(100%, 860px);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: calc(var(--radius) * 0.75);
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 8px 28px rgba(0,0,0,.28);
  background: #111;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.02);
  transition: transform .4s ease;
}
.image-frame:hover img { transform: scale(1.02); }

/* Content blocks and typography */
.content {
  max-width: clamp(280px, 78vw, 720px);
  padding: 1rem;
}
.content h2 {
  font-size: clamp(1.25rem, 1rem + 2vw, 1.75rem);
  margin: .25rem 0 0.5rem;
}
.content p { color: rgba(234,245,255,.92); margin: .25rem 0 0.75rem; }

/* Actions (buttons/CTAs) */
a, button, .btn, .cta {
  text-decoration: none;
  font-family: inherit;
  font-weight: 600;
  letter-spacing: .2px;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
a:focus-visible, button:focus-visible, .btn:focus-visible, .cta:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
a:hover, button:hover, .btn:hover, .cta:hover { transform: translateY(-1px); }

/* Solid primary button + outline secondary */
.btn.primary {
  background: linear-gradient(135deg, var(--accent), #00a7c2);
  color: #001018;
  border-color: rgba(0,0,0,.15);
}
.btn.secondary {
  background: rgba(255,255,255,.08);
  color: var(--text);
  border-color: rgba(255,255,255,.28);
}
.btn, .cta {
  padding: .75rem 1.15rem;
  font-size: 1rem;
}
.cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.btn + .btn { margin-inline-start: .5rem; }

/* Links */
a { color: var(--text); }
a:focus-visible { outline: 3px solid rgba(0,229,255,.9); outline-offset: 2px; }
a:hover { text-decoration: underline; }

/* Lists */
ul, li { margin: 0; padding: 0; list-style: none; }
ul { padding-left: 1.25rem; }
li { margin: .25rem 0; }

/* Product ad panel in footer (glass-style) */
.product-ad { width: min(100%, 860px); padding: .75rem; border-radius: 12px; background: rgba(0,0,0,.22); border: 1px solid rgba(255,255,255,.25); }
.product-ad a { display: block; padding: .75rem; text-align: center; color: var(--text); text-decoration: none; }
.product-ad a:hover { background: rgba(255,255,255,.08); }

/* Footer text + layout */
footer { padding: 1.5rem; display: grid; gap: 1rem; justify-items: center; }

/* Aside (optional for future content) */
aside { padding: 1rem; }

/* Form controls (if present) */
input, textarea, select, button {
  font: inherit;
  color: inherit;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 8px;
  padding: .5rem .75rem;
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
::placeholder { color: rgba(234,245,255,.6); }

/* Print-friendly tweaks */
@media print {
  body { background: #fff; color: #000; }
  a { text-decoration: underline; }
  .glass { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .image-frame { page-break-inside: avoid; }
}

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