/* ------------------------------------------------------------------ */
/*  Aria Sentinel — shared site chrome                                 */
/*  Nav, wordmark, buttons, footer. Each page imports tokens.css       */
/*  first, then this file.                                             */
/* ------------------------------------------------------------------ */

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 11, 0.78);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: 14px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-strong);
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.005em;
}
.wordmark .glyph {
  display: inline-flex;
  width: 22px; height: 22px;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  background: var(--text-strong);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0;
  font-weight: 600;
}
.wordmark .small {
  color: var(--text-dim);
  font-weight: 400;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-tag);
  text-transform: uppercase;
  margin-left: 4px;
}
.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  transition: color .12s;
}
.nav-links a:hover { color: var(--text-strong); }
.nav-links a.active { color: var(--text-strong); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14.5px;
  letter-spacing: 0;
  text-decoration: none;
  transition: background .12s, border-color .12s, color .12s;
  cursor: pointer;
}
.btn-primary {
  background: var(--text-strong);
  color: var(--bg);
  border-color: var(--text-strong);
}
.btn-primary:hover { background: var(--text); border-color: var(--text); }
.btn-ghost {
  background: transparent;
  color: var(--text-strong);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--rule); background: var(--bg-panel); }
.btn-small { padding: 8px 14px; font-size: 13px; }
.btn .arrow { font-family: var(--font-mono); font-size: 12px; }

/* ---------- Page header (used by inner pages) ---------- */
.page-head {
  border-bottom: 1px solid var(--border-soft);
}
.page-head-inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: 64px 32px 48px;
}
.page-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: var(--tracking-tag);
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.page-eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--rule);
}
.page-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 48px;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--text-strong);
  margin: 0 0 18px;
  max-width: 28ch;
  text-wrap: pretty;
}
.page-lede {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 72ch;
  margin: 0;
  line-height: 1.6;
}

/* ---------- Section frame ---------- */
.section {
  border-bottom: 1px solid var(--border-soft);
}
.section-inner {
  max-width: var(--page);
  margin: 0 auto;
  padding: 96px 32px;
}
.section-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: var(--tracking-tag);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-tag::before {
  content: "";
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--rule);
}
.section-h {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-strong);
  margin: 0 0 18px;
  max-width: 26ch;
  text-wrap: pretty;
}
.section-lede {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 72ch;
  margin: 0 0 36px;
  line-height: 1.6;
}

/* ---------- Footer ---------- */
footer.foot {
  background: var(--bg);
  padding: 64px 32px 48px;
}
.foot-inner {
  max-width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
}
.foot-brand .install-block {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
}
.foot-brand .install-block button {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: var(--tracking-tag);
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  transition: color .12s, border-color .12s;
}
.foot-brand .install-block button:hover { color: var(--text); border-color: var(--rule); }
.foot-brand .install-block button.ok { color: var(--teal); border-color: var(--teal-line); }
.foot-brand p.bw {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--text-muted);
  max-width: 36ch;
  line-height: 1.55;
}
.foot-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: var(--tracking-tag);
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 16px;
  font-weight: 500;
}
.foot-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.foot-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  transition: color .12s;
}
.foot-col a:hover { color: var(--text); }
.foot-rule {
  max-width: var(--page);
  margin: 56px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid var(--border-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}
.foot-rule .built {
  color: var(--text-muted);
}
.foot-rule .built b { color: var(--text); font-weight: 500; }

/* ---------- Severity / outcome chips (shared by receipts, /receipts) ---------- */
.sev {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}
.sev.crit { background: var(--red-bg); color: var(--red); border: 1px solid var(--red); }
.sev.high { background: var(--amber-bg); color: var(--amber); border: 1px solid var(--amber-line); }
.sev.med  { background: var(--bg-sunk); color: var(--text-muted); border: 1px solid var(--border); }
.sev.low  { background: var(--bg-sunk); color: var(--text-dim); border: 1px solid var(--border-soft); }

.outcome {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0;
  color: var(--text);
}
.outcome.routed { color: var(--amber); }
.outcome.proposed { color: var(--amber); }
.outcome.applied { color: var(--text); }
.outcome.verified { color: var(--teal); }
.outcome.rolled-back { color: var(--red); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .page-title { font-size: 36px; }
  .section-h { font-size: 28px; }
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .nav-inner { padding: 12px 18px; gap: 12px; }
  .nav-links { gap: 14px; }
  .nav-links .hide-sm { display: none; }
  .page-head-inner { padding: 48px 24px 32px; }
  .section-inner { padding: 64px 24px; }
  .page-title { font-size: 30px; }
}