/* Absentinsight — Operator Brief shell v1 */
:root {
  --bg: #0e1014;
  --bg-elev: #161a22;
  --fg: #e9ecf1;
  --muted: #9aa3b2;
  --line: #2a3140;
  --accent: #8ec5ff;
  --accent-dim: #3d6f9c;
  --ok: #7dcea0;
  --warn: #e6b84d;
  --radius: 10px;
  --max: 44rem;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 17px/1.6 var(--sans);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: #c5e0ff; }
.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem 0; flex-wrap: wrap;
}
.brand {
  font-weight: 700; letter-spacing: 0.02em; color: var(--fg); text-decoration: none;
}
.brand span { color: var(--muted); font-weight: 500; margin-left: 0.35rem; font-size: 0.85rem; }
.nav { display: flex; flex-wrap: wrap; gap: 0.35rem 0.9rem; align-items: center; }
.nav a {
  color: var(--muted); text-decoration: none; font-size: 0.95rem;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); }
.nav-toggle {
  display: none; background: var(--bg-elev); border: 1px solid var(--line);
  color: var(--fg); border-radius: 8px; padding: 0.4rem 0.7rem; cursor: pointer;
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; }
  .nav.is-open { display: flex; padding-bottom: 0.5rem; }
}
main { padding: 2rem 0 3rem; }
.hero h1 { font-size: clamp(1.7rem, 4vw, 2.25rem); line-height: 1.2; margin: 0 0 0.75rem; }
.lede { color: var(--muted); font-size: 1.08rem; margin: 0 0 1.25rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.25rem 0 0.5rem; }
.btn {
  display: inline-block; background: var(--accent); color: #0b1220;
  font-weight: 650; text-decoration: none; padding: 0.65rem 1rem;
  border-radius: 8px; border: none;
}
.btn:hover { color: #0b1220; filter: brightness(1.05); }
.btn-ghost {
  display: inline-block; color: var(--fg); text-decoration: none;
  padding: 0.65rem 1rem; border-radius: 8px; border: 1px solid var(--line);
}
.grid {
  display: grid; gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  margin: 1.5rem 0;
}
.card {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.1rem;
}
.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card a { text-decoration: none; color: inherit; display: block; }
.card a:hover h3 { color: var(--accent); }
section { margin: 2.25rem 0; padding-top: 0.25rem; border-top: 1px solid var(--line); }
section > h2 { margin-top: 1.25rem; font-size: 1.25rem; }
.note {
  background: color-mix(in srgb, var(--accent-dim) 22%, var(--bg-elev));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.9rem 1rem; color: var(--muted); font-size: 0.95rem;
}
.note strong { color: var(--fg); }
.pill {
  display: inline-block; font-size: 0.75rem; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 40%, var(--line));
  border-radius: 999px; padding: 0.15rem 0.55rem; margin-bottom: 0.75rem;
}
.list-plain { padding-left: 1.1rem; }
.list-plain li { margin: 0.35rem 0; }
.site-footer {
  border-top: 1px solid var(--line); color: var(--muted);
  font-size: 0.88rem; padding: 1.5rem 0 2.5rem;
}
.site-footer nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin-bottom: 0.75rem; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--fg); }
.prose h2 { margin-top: 1.75rem; }
.prose h3 { margin-top: 1.25rem; }
.prose p, .prose li { color: #d5dae3; }
.crumb { color: var(--muted); font-size: 0.9rem; margin-bottom: 0.75rem; }
.crumb a { color: var(--muted); }