:root {
  --canvas: #f6f4ef;
  --paper: #fffdf8;
  --ink: #171a20;
  --muted: #656b76;
  --line: #ded8cd;
  --line-strong: #bfb5a5;
  --accent: #bd5639;
  --accent-soft: #f5e2d9;
  --green: #277356;
  --green-soft: #e1eee8;
  --blue: #285f89;
  --blue-soft: #e1edf5;
  --warn: #9a651a;
  --warn-soft: #f3ead7;
  --danger: #9f332b;
  --danger-soft: #f1dfdc;
  --display: Charter, "Iowan Old Style", Georgia, serif;
  --body: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 15px/1.6 var(--body);
}
a { color: inherit; }
.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.18s ease;
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246,244,239,0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 13px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}
.brand {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}
.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 4px 0;
  text-decoration: none;
}
.shell {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 0;
  min-height: calc(100vh - 58px);
}
.side, .toc {
  padding: 34px 22px;
  position: sticky;
  top: 58px;
  align-self: start;
  max-height: calc(100vh - 58px);
  overflow: auto;
  color: var(--muted);
  font-size: 13px;
}
.side { border-right: 1px solid var(--line); }
.shell > .toc { display: none; }
.side-label, .toc-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--muted);
}
.side a, .toc a {
  display: block;
  text-decoration: none;
  padding: 7px 9px;
  border-radius: 7px;
  margin-bottom: 2px;
}
.side a.active, .toc a.active {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 700;
}
main {
  padding: 38px 44px 84px;
}
.brief-header {
  border-bottom: 2px solid var(--ink);
  padding-bottom: 26px;
  margin-bottom: 26px;
}
.crumb {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 13px;
}
h1 {
  font-family: var(--display);
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin: 0;
  max-width: 12ch;
}
.dek {
  font-family: var(--display);
  color: var(--muted);
  font-size: 22px;
  line-height: 1.42;
  max-width: 710px;
  margin: 22px 0 0;
}
.meta-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.meta {
  padding: 15px 17px;
  border-left: 1px solid var(--line);
}
.meta:first-child { border-left: 0; }
.meta strong {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 600;
}
section { margin-top: 46px; }
h2 {
  font-family: var(--display);
  font-size: 30px;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
}
p { margin: 12px 0; }
.lede-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
}
.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 24px;
}
.call-card {
  background: #11151c;
  color: #f8f3ea;
  border-radius: 12px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.12);
}
.call-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--mono);
  font-size: 11px;
  color: #b9c0cc;
  margin-bottom: 15px;
}
.bubble {
  padding: 11px 13px;
  border-radius: 9px;
  background: rgba(255,255,255,0.08);
  margin-top: 9px;
  font-size: 13px;
}
.bubble.ai {
  background: rgba(189,86,57,0.2);
  border: 1px solid rgba(189,86,57,0.38);
}
.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.kpi {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 17px 18px;
}
.kpi .label {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.kpi .value {
  font-family: var(--display);
  font-size: 32px;
  line-height: 1;
  margin-top: 9px;
  letter-spacing: -0.02em;
}
.kpi .note {
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 7px;
}
.decision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.decision h3, .module h3 {
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: -0.005em;
}
.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 9px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
}
.tag.good { background: var(--green-soft); color: var(--green); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.tag.danger { background: var(--danger-soft); color: var(--danger); }
.tag.info { background: var(--blue-soft); color: var(--blue); }
ul.clean {
  padding-left: 18px;
  margin: 10px 0 0;
}
ul.clean li { margin: 7px 0; }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  font-size: 13.5px;
}
th, td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: #f1eee7;
}
tr:last-child td { border-bottom: 0; }
.status {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.status.yes { background: var(--green-soft); color: var(--green); }
.status.check { background: var(--warn-soft); color: var(--warn); }
.status.no { background: var(--danger-soft); color: var(--danger); }
.workflow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 10px;
  overflow: hidden;
}
.step {
  padding: 18px;
  border-left: 1px solid var(--line);
}
.step:first-child { border-left: 0; }
.num {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.step h3 {
  font-family: var(--display);
  font-size: 20px;
  margin: 0 0 8px;
  line-height: 1.1;
}
.step p { color: var(--muted); font-size: 13.5px; margin: 0; }
.note {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 18px 20px;
  border-radius: 8px;
  font-family: var(--display);
  font-size: 19px;
  line-height: 1.4;
}
.cta-band {
  background: var(--ink);
  color: var(--paper);
  border-radius: 14px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.cta-band h2 { margin-bottom: 8px; }
.cta-band p { color: #c9c4bb; margin: 0; }
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 42px;
  border-radius: 8px;
  padding: 11px 16px;
  font-weight: 800;
  text-decoration: none;
  background: var(--accent);
  color: white;
  white-space: nowrap;
}

@media (max-width: 1050px) {
  .shell { grid-template-columns: 1fr; }
  .side, .toc { display: none; }
  main { padding: 30px 24px 70px; }
  .meta-strip, .kpis, .workflow { grid-template-columns: 1fr 1fr; }
  .meta:nth-child(odd), .step:nth-child(odd) { border-left: 0; }
  .lede-grid, .decision-grid, .cta-band { grid-template-columns: 1fr; }
}
    @media (max-width: 620px) {
      .topbar-inner { padding: 12px 18px; }
      .nav { display: none; }
      main { padding: 24px 18px 60px; }
      .meta-strip, .kpis, .workflow { grid-template-columns: 1fr; }
      .meta, .step { border-left: 0; border-top: 1px solid var(--line); }
      .meta:first-child, .step:first-child { border-top: 0; }
      h1 { font-size: 43px; }
    }

/* Legacy page compatibility: applies the briefing visual system to existing inner pages. */
.wrap {
  width: min(1160px, calc(100% - 44px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246,244,239,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.site-header .nav {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-header .brand {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.nav-links a {
  color: inherit;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}

.breadcrumbs {
  padding-top: 28px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.breadcrumbs a {
  color: var(--accent);
  text-decoration: none;
}

.hero {
  padding: 38px 0 34px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 22px;
  align-items: start;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
}

.hero .lede,
.hero-copy,
.lede {
  font-family: var(--display);
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.44;
  max-width: 760px;
  margin: 18px 0 0;
}

.hero-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 22px 24px;
  align-self: start;
}

.hero-panel h2 {
  font-size: 24px;
}

.button-row,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button,
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 42px;
  border-radius: 8px;
  padding: 11px 16px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
}

.button.secondary,
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.section {
  padding: 44px 0;
}

.section.alt {
  background: rgba(255,253,248,0.44);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 760px;
  margin-bottom: 20px;
}

.section-head p {
  color: var(--muted);
  font-size: 16px;
}

.grid,
.cards,
.check-section,
.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.grid.two,
.intro-grid {
  grid-template-columns: repeat(2, 1fr);
}

.card,
.panel,
.check-card,
.ask,
.legal-note {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
}

.card h3,
.panel h3,
.check-card h3 {
  margin-top: 0;
}

.card p,
.panel p,
.check-card p,
.legal-note p,
.card li,
.panel li {
  color: var(--muted);
}

.warning,
.note,
.legal-note {
  background: var(--warn-soft);
  border-left: 3px solid var(--warn);
}

.danger {
  background: var(--danger-soft);
  border-left: 3px solid var(--danger);
}

.check-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.number {
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-weight: 800;
  font-size: 12px;
}

.ask-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.ask strong {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 5px;
}

.toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.toc a {
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  background: var(--paper);
}

.table-wrap {
  overflow-x: auto;
  border-radius: 10px;
}

.table-wrap table {
  min-width: 760px;
}

.site-footer {
  margin-top: 54px;
  border-top: 1px solid var(--line);
  padding: 34px 0 42px;
  background: var(--paper);
  color: var(--muted);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.footer-disclaimer {
  max-width: 760px;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.site-footer a {
  color: var(--accent);
  font-weight: 750;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

@media (max-width: 920px) {
  .hero-grid,
  .grid,
  .cards,
  .check-section,
  .intro-grid,
  .grid.two,
  .ask-box {
    grid-template-columns: 1fr;
  }

  .site-header .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 13px 0;
  }

  .nav-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 560px) {
  .wrap {
    width: min(100% - 28px, 1160px);
  }

  .section {
    padding: 32px 0;
  }

  .check-card {
    flex-direction: column;
  }
}