/* Base */
:root{
  --bg: #0b1b2a;
  --bg-2: #0e2a56;
  --text: #eaf6ff;
  --muted: #a9c6dc;
  --jade: #2bd37a;
  --jade-dark: #15a06b;
  --cobalt: #3b82f6;
  --accent-2: #2bd2a5;
  --glass: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.25);
  --shadow: 0 8px 24px rgba(0,0,0,.28);
  --radius: 14px;
}
*,
*::before,
*::after { box-sizing: border-box; }
html, body { height: 100%; }
html { font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial; font-size: clamp(14px, 0.5vw + 12px, 18px); }
body {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
  background: linear-gradient(135deg, rgba(6,25,58,1) 0%, rgba(10,40,85,1) 60%, rgba(4,12,25,1) 100%);
  background-image:
    linear-gradient(135deg, rgba(43,145,230,0.15), rgba(43,145,230,0.0) 60%),
    repeating-linear-gradient(45deg, rgba(0,0,0,0.04) 0 2px, rgba(0,0,0,0.0) 2px 4px);
  background-blend-mode: overlay;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-width: 320px;
}

/* Layout helpers */
.container { width: 100%; max-width: clamp(320px, 78ch, 1100px); margin-inline: auto; padding-inline: 1rem; }

/* Header */
header {
  margin: 1rem auto;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}
header h1 {
  font-size: clamp(1.6rem, 2.2vw + 1rem, 2.8rem);
  line-height: 1.08;
  margin: 0 0 .25rem;
  font-weight: 700;
}
header .meta { font-size: .9rem; color: var(--muted); margin-bottom: .5rem; }

/* Nav */
nav { display: inline-flex; gap: .5rem; }
nav a {
  color: var(--text);
  text-decoration: none;
  padding: .4rem .7rem;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,.25);
}
nav a:hover, nav a:focus-visible { text-decoration: underline; outline: none; }

/* Main content */
main { padding: 0.5rem 0 1rem; }
article { display: block; }

/* Featured image frame (supporting .image-frame) */
.image-frame {
  aspect-ratio: 16/9;
  width: 100%;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.25);
  box-shadow: 0 6px 18px rgba(0,0,0,.35);
  background: #000;
}
.image-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.3s ease;
}
.image-frame:hover img { transform: scale(1.03); }

/* Glass panel style for .content and other frosted blocks */
.content {
  padding: 1rem;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.28);
  border: 1px solid rgba(255,255,255,.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin: .5rem 0 1rem;
  color: var(--text);
}
.content p { margin: .5rem 0; }

/* Blockquote emphasis */
blockquote {
  margin: .75rem 0;
  padding: .75rem 1rem;
  border-left: 3px solid var(--jade);
  background: rgba(3,16,32,0.28);
  border-radius: 6px;
  color: var(--text);
}
blockquote em { font-style: italic; }

/* Headings */
h2 { font-size: clamp(1.25rem, 1.6vw + 0.5rem, 1.75rem); margin: .9rem 0 .5rem; color: #eaf6ff; }

/* Lists */
ul, ol { padding-left: 1.25rem; margin: .5rem 0 1rem; }
li { margin: .25rem 0; }

/* Image helper (legacy) */
.image-frame, .image-frame img { /* included for completeness; actual usage above */ }

/* Product ads / footer cards */
.product-ad, .sponsored-page {
  display: block;
  padding: .95rem 1rem;
  border-radius: 12px;
  background: rgba(5, 30, 49, 0.32);
  border: 1px solid rgba(0,0,0,.4);
  text-align: center;
  color: #fff;
  text-decoration: none;
}
.product-ad a, .sponsored-page a { color: inherit; text-decoration: none; display: block; }

/* Link/button styles (global) */
a, button, .btn, .cta {
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  padding: .75rem 1.15rem;
  text-decoration: none;
  color: #fff;
  background: rgba(0,0,0,0.0);
  transition: transform .2s ease, background-color .2s ease, color .2s ease;
}
a:hover, button:hover, .btn:hover, .cta:hover { text-decoration: underline; transform: translateY(-1px); }
a:focus-visible, button:focus-visible, .btn:focus-visible, .cta:focus-visible {
  outline: 3px solid var(--jade);
  outline-offset: 2px;
  transform: translateY(-1px);
}
.btn.primary {
  background: linear-gradient(135deg, #2bd37a 0%, #1faa75 100%);
  color: #02170b;
  border: 1px solid rgba(43,211,122,.95);
  text-shadow: 0 1px 0 rgba(255,255,255,.25);
}
.btn.secondary {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.4);
}
.cta {
  display:inline-flex; align-items:center; justify-content:center;
  gap:.5rem;
}
.tag {
  font-size: .7rem;
  padding: .15rem .5rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(43,211,122,0.15);
  color: #eafff4;
}

/* Grid utilities */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.card {
  padding: .9rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text);
  transition: transform .2s ease;
}
.card:hover { transform: translateY(-2px); }

/* Footer layout */
footer {
  margin-top: 1rem;
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: .75rem;
  align-items: start;
  border-top: 1px solid rgba(255,255,255,.25);
  background: rgba(4,12,28,0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
footer p { text-align: center; grid-column: 1 / -1; color: var(--muted); }

/* Aside (if used) */
aside { display: block; }

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

/* Print */
@media print {
  body { background: #fff; color: #000; }
  header, footer { background: transparent; border: none; box-shadow: none; }
  a { text-decoration: underline; }
}