/* ARC public-ready patch.
   Keeps ARC as the advisory umbrella while aligning navigation and page readability.
*/
:root {
  --paper: #fafaf8;
  --ink: #25211f;
  --muted: #6a625c;
  --soft: #efe9df;
  --rule: #ded6ca;
  --accent: #6b1f1f;
  --accent-dark: #4f1717;
  --gold: #b08a3c;
  --navy: #1f3146;
  --card: #ffffff;
  --shadow: 0 18px 45px rgba(36, 33, 31, 0.08);
  --radius: 24px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(176, 138, 60, 0.14), transparent 30rem),
    radial-gradient(circle at top right, rgba(107, 31, 31, 0.10), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
}

a { color: inherit; }
.arc-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.arc-fallback-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,250,248,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 24px;
}
.arc-fallback-nav .nav-name {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}
.arc-fallback-nav .nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
}
.arc-fallback-nav .nav-links a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}
.arc-fallback-nav .nav-links a:hover,
.arc-fallback-nav .nav-links a.active {
  color: var(--accent);
}

.arc-hero { padding: 70px 0 36px; }
.arc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 30px;
  align-items: stretch;
}
.arc-logo {
  width: min(380px, 100%);
  height: auto;
  display: block;
  margin: 0 0 24px;
}
.arc-eyebrow {
  color: var(--gold);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 800;
  margin: 0 0 12px;
}
.arc-title {
  font-family: var(--serif);
  font-size: clamp(42px, 7vw, 74px);
  line-height: 0.96;
  letter-spacing: -0.045em;
  margin: 0 0 20px;
  color: var(--accent);
}
.arc-subtitle {
  font-size: 19px;
  color: var(--muted);
  max-width: 820px;
  margin: 0;
}
.arc-panel {
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.arc-panel.dark {
  background: linear-gradient(135deg, var(--accent-dark), var(--navy));
  color: #fff;
  border-color: rgba(255,255,255,0.12);
}
.arc-panel.dark .arc-eyebrow,
.arc-panel.dark h2,
.arc-panel.dark h3 { color: #fff; }
.arc-panel.dark p,
.arc-panel.dark li,
.arc-panel.dark .arc-small { color: rgba(255,255,255,0.78); }

.arc-section { padding: 28px 0; }
.arc-section h2,
.arc-panel h2 {
  font-family: var(--serif);
  color: var(--accent);
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 14px;
}
.arc-section-intro {
  color: var(--muted);
  max-width: 860px;
  margin: 0 0 24px;
  font-size: 17px;
}
.arc-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.arc-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.arc-service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.arc-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.arc-card.service {
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.arc-card h3 {
  font-family: var(--serif);
  color: var(--accent);
  font-size: 22px;
  line-height: 1.12;
  margin: 0 0 10px;
}
.arc-card p,
.arc-small {
  color: var(--muted);
  font-size: 14px;
}
.arc-band {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 800;
  margin-bottom: 10px;
}
.arc-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.arc-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border-radius: 999px;
  padding: 9px 15px;
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
}
.arc-button.primary {
  background: var(--accent);
  color: #fff;
}
.arc-button.gold {
  border-color: var(--gold);
  color: var(--gold);
}
.arc-button:hover { transform: translateY(-1px); }

.arc-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}
.arc-subnav a {
  text-decoration: none;
  border: 1px solid var(--rule);
  background: rgba(255,255,255,0.72);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.arc-subnav a:hover,
.arc-subnav a.active {
  border-color: var(--accent);
  color: var(--accent);
}
.arc-kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}
.arc-kpi {
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 18px;
  padding: 15px;
  background: rgba(255,255,255,0.07);
}
.arc-kpi strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}
.arc-kpi span {
  display: block;
  margin-top: 7px;
  color: rgba(255,255,255,0.72);
  font-size: 12px;
}
.arc-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}
.arc-list li { margin-bottom: 9px; }
.arc-callout {
  background: linear-gradient(135deg, rgba(107,31,31,0.10), rgba(176,138,60,0.12));
  border: 1px solid rgba(107,31,31,0.18);
  border-radius: var(--radius);
  padding: 24px;
}
.arc-footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 13px;
  padding: 28px 0 48px;
  margin-top: 26px;
}
.arc-footer a { text-decoration: none; color: var(--accent); }

@media (max-width: 1080px) {
  .arc-service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 900px) {
  .arc-fallback-nav {
    padding: 12px 20px;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
  .arc-fallback-nav .nav-links {
    justify-content: flex-start;
    gap: 12px 16px;
  }
  .arc-hero-grid,
  .arc-grid-2,
  .arc-grid-3,
  .arc-service-grid {
    grid-template-columns: 1fr;
  }
  .arc-hero { padding-top: 44px; }
}