:root {
  --ink:        #262626;
  --ink-2:      #404040;
  --ink-soft:   #595959;
  --ink-mute:   #8a8a8a;
  --paper:      #ffffff;
  --paper-2:    #f4f7f9;
  --paper-3:    #e8eef2;
  --rule:       #d6dde2;
  --primary:    #176490;
  --primary-d:  #0e3f5e;
  --primary-2:  #0187AC;
  --accent:     #1AA4BE;
  --accent-2:   #52C3CB;
  --accent-3:   #168EA6;
  --lime:       #84CC16;
  --lime-l:     #c8ec5a;
  --lime-d:     #3f6212;
  --grant:      #2f8a4a;
  --deny:       #b3261e;
  --warn:       #b8860b;
  --sans:       system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:       ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --max:        1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─────────────── top nav ─────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--primary-d);
  text-transform: uppercase;
}
.nav-brand img { width: 32px; height: 32px; display: block; }
.nav-brand .gtb { color: var(--lime); font-weight: 800; letter-spacing: 0.32em; }
.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  margin-left: auto;
  font-size: 14px;
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.nav-links a { color: var(--ink-soft); font-weight: 500; }
.nav-links a.cta {
  background: var(--primary);
  color: #fff;
  padding: 8px 14px;
  border-radius: 4px;
  letter-spacing: 0.08em;
}
.nav-links a.cta:hover { background: var(--primary-d); text-decoration: none; }

/* ─────────────── page chrome ─────────────── */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 24px 8px;
}
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--primary);
}
.section-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-weight: 600;
  margin-bottom: 8px;
}
h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 8px 0 10px;
  color: var(--ink);
}
h1 b, h1 strong { font-weight: 600; color: var(--primary); }
h2 {
  font-size: 1.55rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 40px 0 12px;
}
h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 24px 0 10px;
}
p { margin: 12px 0; color: var(--ink-2); }
.lede {
  font-size: 1.2rem;
  font-weight: 300;
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 800px;
}

/* ─────────────── cards ─────────────── */
.card-grid {
  display: grid;
  gap: 20px;
  margin: 28px 0;
}
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--primary);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card.alt { border-top-color: var(--accent); }
.card.fill { background: var(--paper-2); border: 1px solid var(--rule); border-top: 4px solid var(--accent); }
.card-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
}
.card.alt .card-num { color: var(--accent-3); }
.card-title {
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.2;
  margin: 0;
  color: var(--ink);
}
.card p { margin: 0; font-size: 0.97rem; color: var(--ink-soft); }

/* ─────────────── KPI strip ─────────────── */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  border-top: 2px solid var(--primary);
  border-bottom: 1px solid var(--rule);
  margin: 32px 0;
}
.kpi {
  padding: 24px 18px;
  border-right: 1px solid var(--rule);
}
.kpi:last-child { border-right: none; }
.kpi-num {
  font-weight: 300;
  font-size: 2.6rem;
  line-height: 1;
  margin: 0 0 8px;
  color: var(--primary);
}
.kpi-num b { font-weight: 600; }
.kpi-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ─────────────── tables ─────────────── */
.t-wrap { overflow-x: auto; margin: 24px 0; }
table.t {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.97rem;
}
table.t th, table.t td {
  text-align: left;
  padding: 14px 14px;
  vertical-align: top;
  border-bottom: 1px solid var(--rule);
}
table.t thead th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--primary);
  font-weight: 600;
  border-bottom: none;
}
table.t tbody tr:nth-child(even) td { background: var(--paper-2); }
table.t .lead { font-weight: 600; color: var(--ink); }

/* ─────────────── pills ─────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.pill::before { content: ""; width: 5px; height: 5px; background: currentColor; border-radius: 50%; }
.pill.allow   { color: var(--grant); background: rgba(47,138,74,0.08); }
.pill.deny    { color: var(--deny); background: rgba(179,38,30,0.08); }
.pill.monitor { color: var(--warn); background: rgba(184,134,11,0.08); }
.pill.primary { color: var(--primary); background: rgba(23,100,144,0.08); }

/* ─────────────── flow diagram (responsive) ─────────────── */
.flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 24px 0;
}
.flow-node {
  border: 1px solid var(--rule);
  border-top: 4px solid var(--primary);
  background: var(--paper);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.flow-node.dim { border-top-color: var(--ink-mute); background: var(--paper-2); }
.flow-node small {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
}
.flow-node.dim small { color: var(--ink-mute); }
.flow-node h4 { margin: 0; font-size: 1.05rem; font-weight: 600; }
.flow-node p { margin: 0; font-size: 0.92rem; color: var(--ink-soft); }
.flow-arrow {
  text-align: center;
  font-family: var(--mono);
  color: var(--primary);
  font-size: 1.2rem;
  line-height: 1;
}
@media (min-width: 720px) {
  .flow {
    grid-template-columns: 1fr 28px 1.3fr 28px 1.3fr 28px 1fr;
    gap: 0;
    align-items: stretch;
  }
  .flow-arrow {
    align-self: center;
    height: 2px;
    background: var(--primary);
    position: relative;
    margin: 0 6px;
    color: transparent;
  }
  .flow-arrow::after {
    content: "";
    position: absolute;
    right: -2px; top: -6px;
    border-left: 12px solid var(--primary);
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
  }
}

/* ─────────────── locations ─────────────── */
.loc-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin: 24px 0;
}
.loc {
  padding: 22px;
  background: var(--paper-2);
  border-left: 4px solid var(--primary);
}
.loc-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.loc h4 { margin: 8px 0 12px; font-size: 1.4rem; font-weight: 600; }
.loc-roles {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.loc-roles span { display: block; }
.loc-roles .ombud { color: var(--accent-3); }

/* ─────────────── pillars (5-up) ─────────────── */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 24px 0;
}
.pillar {
  background: var(--paper-2);
  border-top: 4px solid var(--primary);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pillar-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--primary);
  font-weight: 600;
}
.pillar-name { margin: 0; font-size: 1.05rem; font-weight: 600; line-height: 1.2; }
.pillar-body { margin: 0; font-size: 0.92rem; color: var(--ink-soft); flex: 1; }
.pillar-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-top: 1px solid var(--rule);
  padding-top: 8px;
  font-weight: 600;
}

/* ─────────────── checklist ─────────────── */
ul.check { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 10px; }
ul.check li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 0.97rem;
  color: var(--ink-2);
}
ul.check li::before {
  content: "✓";
  font-weight: 700;
  color: var(--primary);
}

/* ─────────────── numbered list ─────────────── */
ol.num { list-style: none; padding: 0; margin: 16px 0; counter-reset: nl; display: grid; gap: 14px; }
ol.num li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 14px;
  counter-increment: nl;
}
ol.num li::before {
  content: counter(nl, decimal-leading-zero);
  grid-row: 1 / span 2;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--primary);
  font-size: 1.05rem;
}
ol.num .li-title { font-weight: 600; font-size: 1rem; color: var(--ink); grid-column: 2; }
ol.num .li-body { font-size: 0.9rem; color: var(--ink-soft); grid-column: 2; }

/* ─────────────── concealment side-by-side ─────────────── */
.conceal {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 24px 0;
  align-items: stretch;
}
.conceal-card {
  background: var(--paper-2);
  border-top: 4px solid var(--ink-mute);
  padding: 22px 24px;
}
.conceal-card.real {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--primary);
}
.conceal-arrow {
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
}
.conceal-arrow::before {
  content: "↓";
  display: block;
  font-size: 1.4rem;
  margin-bottom: 4px;
}
@media (min-width: 720px) {
  .conceal { grid-template-columns: 1fr 60px 1fr; }
  .conceal-arrow::before { content: "→"; font-size: 1.6rem; }
}

/* ─────────────── highlight banner ─────────────── */
.banner {
  background: var(--paper-2);
  border-left: 4px solid var(--primary);
  padding: 18px 22px;
  margin: 24px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}
.banner .tag {
  font-family: var(--mono);
  color: var(--primary);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.banner .body { color: var(--ink-soft); font-size: 0.95rem; }

/* ─────────────── ask box ─────────────── */
.ask {
  background: var(--primary);
  color: #fff;
  padding: 28px 32px;
  margin: 32px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 720px) {
  .ask { grid-template-columns: 1fr auto; align-items: center; gap: 28px; }
}
.ask .tag { font-family: var(--mono); color: var(--accent-2); font-weight: 700; font-size: 1.3rem; letter-spacing: 0.06em; }
.ask h3 { color: #fff; margin: 4px 0 8px; font-size: 1.1rem; }
.ask p { color: rgba(255,255,255,0.9); margin: 0; }
.ask .invest {
  font-family: var(--mono);
  color: var(--accent-2);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.ask .invest-body { font-size: 0.95rem; line-height: 1.4; }

/* ─────────────── hero (landing) ─────────────── */
.hero {
  background: linear-gradient(135deg, var(--primary-d) 0%, var(--primary) 55%, var(--accent-3) 100%);
  color: #fff;
  padding: 28px 24px 32px;
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
@media (min-width: 820px) {
  .hero-inner { grid-template-columns: 1fr 240px; }
}
.hero h1 {
  color: #fff;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  margin: 8px 0 10px;
}
.hero h1 b, .hero h1 strong { color: #fff; }
.hero h1 .lime { color: var(--lime-l); font-weight: 600; }
.hero .lede { color: rgba(255,255,255,0.9); max-width: 820px; }
.hero .kicker { color: rgba(255,255,255,0.85); }
.hero .kicker::before { background: rgba(255,255,255,0.85); }
.hero img { width: 100%; max-width: 160px; display: block; margin-left: auto; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
  border-top: 1px solid rgba(255,255,255,0.25);
  margin-top: 16px;
  padding-top: 14px;
}
.hero-meta .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.hero-meta .value { color: #fff; font-weight: 500; }
.hero-cta {
  display: inline-block;
  margin-top: 14px;
  background: var(--lime);
  color: var(--lime-d);
  padding: 10px 20px;
  border-radius: 4px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero-cta:hover { background: var(--lime-l); text-decoration: none; }

/* ─────────────── TOC ─────────────── */
.toc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  margin: 32px 0;
}
@media (min-width: 720px) {
  .toc-grid { grid-template-columns: 1fr 1fr; column-gap: 48px; }
}
.toc-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
  transition: padding-left 120ms ease;
}
.toc-row:hover {
  padding-left: 8px;
  text-decoration: none;
  background: var(--paper-2);
}
.toc-num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary);
}
.toc-label { font-size: 1.02rem; line-height: 1.3; }

/* ─────────────── prev/next footer ─────────────── */
.pager {
  border-top: 1px solid var(--rule);
  margin-top: 20px;
  padding: 16px 0 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pager a {
  color: var(--ink-soft);
  display: block;
  padding: 12px 16px;
  border: 1px solid var(--rule);
  background: var(--paper);
  transition: background 120ms ease;
}
.pager a:hover { background: var(--paper-2); text-decoration: none; }
.pager .label { display: block; font-size: 10px; color: var(--ink-mute); letter-spacing: 0.16em; margin-bottom: 4px; }
.pager .title { color: var(--ink); font-weight: 600; font-size: 0.92rem; }
.pager .next { text-align: right; }

/* ─────────────── footer ─────────────── */
.site-foot {
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 14px 24px;
  margin-top: 12px;
}
.site-foot-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.site-foot a { color: var(--primary); }

/* ── screenshot thumbnail ── */
.thumb-wrap { margin: 12px 0; }
.thumb-wrap img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  border: 1px solid var(--rule);
  cursor: zoom-in;
  transition: opacity 0.15s;
}
.thumb-wrap img:hover { opacity: 0.88; }
.thumb-caption {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 4px 0 0;
}

/* ── lightbox overlay ── */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  place-items: center;
  cursor: zoom-out;
}
#lightbox.open { display: grid; }
#lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.6);
}
#lightbox-close {
  position: absolute;
  top: 20px; right: 28px;
  color: #fff;
  font-size: 32px;
  line-height: 1;
  cursor: pointer;
  opacity: 0.7;
  font-family: var(--sans);
  user-select: none;
}
#lightbox-close:hover { opacity: 1; }

/* ── graphic placeholder ── */
.ph {
  background: repeating-linear-gradient(135deg,
    rgba(23,100,144,0.05) 0 14px,
    rgba(23,100,144,0.02) 14px 28px);
  border: 1px solid var(--primary);
  color: var(--primary);
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 20px;
  margin: 12px 0;
  aspect-ratio: 16 / 9;
}
.ph small {
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-mute);
  text-transform: none;
  letter-spacing: 0;
  margin-top: 6px;
}

/* ── operator icon grid ── */
.op-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 16px 0 28px;
}
.op-cell {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  border-top: 3px solid var(--primary);
  padding: 20px 12px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.op-cell .material-symbols-rounded {
  font-size: 38px;
  color: var(--primary);
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 40;
}
.op-name {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.05em;
}
.op-desc {
  font-size: 11.5px;
  color: var(--ink-soft);
  line-height: 1.35;
}

/* ─────────────── utilities ─────────────── */
.mono { font-family: var(--mono); }
.muted { color: var(--ink-mute); }
.center { text-align: center; }
.tight p { margin: 4px 0; }