/* NEO site — shared styles. Dark by default, light via system preference. */
:root {
  --bg: #0B1120; --surface: #1E293B; --border: #2D3A52;
  --text: #E2E8F0; --text-bright: #F1F5F9; --muted: #64748B; --muted-2: #94A3B8;
  --accent: #06B6D4; --accent-hover: #22D3EE;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #F1F5F9; --surface: #FFFFFF; --border: #CBD5E1;
    --text: #334155; --text-bright: #0F172A; --muted: #64748B; --muted-2: #475569;
    --accent: #0891B2; --accent-hover: #06B6D4;
  }
}
* { box-sizing: border-box; margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.7; min-height: 100vh;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
nav { border-bottom: 1px solid var(--border); }
nav .wrap { display: flex; align-items: center; gap: 18px; padding: 14px 20px; flex-wrap: wrap; }
nav .brand { font-weight: 700; color: var(--text-bright); text-decoration: none; font-size: 17px; letter-spacing: -0.02em; }
nav .brand span { color: var(--accent); }
nav a { color: var(--muted-2); text-decoration: none; font-size: 13px; }
nav a:hover { color: var(--accent); }
nav .cta { margin-left: auto; background: var(--accent); color: var(--bg); font-weight: 600; padding: 7px 16px; border-radius: 999px; font-size: 13px; }
nav .cta:hover { background: var(--accent-hover); color: var(--bg); }
main { padding: 40px 0 60px; }
h1 { color: var(--text-bright); font-size: 32px; letter-spacing: -0.02em; line-height: 1.25; margin-bottom: 12px; }
h2 { color: var(--text-bright); font-size: 21px; margin: 34px 0 10px; letter-spacing: -0.01em; }
h3 { color: var(--text-bright); font-size: 16px; margin: 24px 0 8px; }
p { margin: 0 0 16px; }
a { color: var(--accent); }
.lede { font-size: 18px; color: var(--muted-2); margin-bottom: 28px; }
.meta-line { font-size: 12px; color: var(--muted); margin-bottom: 28px; }
ul, ol { margin: 0 0 16px 22px; }
li { margin-bottom: 8px; }
blockquote { border-left: 3px solid var(--accent); padding: 4px 16px; color: var(--muted-2); margin: 0 0 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; margin: 0 0 18px; }
.btn-big { display: inline-block; background: var(--accent); color: var(--bg); font-weight: 700; padding: 12px 28px; border-radius: 999px; text-decoration: none; font-size: 15px; }
.btn-big:hover { background: var(--accent-hover); }
.badge { display: inline-block; font-size: 11px; padding: 3px 12px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted-2); margin-right: 6px; }
/* ad slots — after AdSense approval, paste your ad unit inside and add the
   "show" class. Until then they render as nothing. */
.ad-slot { display: none; }
.ad-slot.show { display: block; text-align: center; margin: 28px 0; min-height: 90px;
  border: 1px dashed var(--border); border-radius: 10px; color: var(--muted);
  font-size: 11px; padding: 12px; }
footer { border-top: 1px solid var(--border); padding: 0 0 40px; }
footer .wrap { font-size: 12px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 14px; padding-top: 18px; }
footer a { color: var(--muted-2); text-decoration: none; }
footer a:hover { color: var(--accent); }