.paper-body {
  min-width: 320px;
  color: #13212b;
  background: #e8eef0;
}

.paper-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(28px, calc((100vw - 1320px) / 2));
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: #fff;
  background: rgba(7,23,34,.97);
}
.paper-header .brand { font-size: 18px; }
.paper-header .brand b {
  margin-left: 3px;
  padding-left: 14px;
  border-left: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.5);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.paper-header nav { display: flex; align-items: center; gap: 25px; }
.paper-header nav a { color: rgba(255,255,255,.67); font-size: 12px; font-weight: 650; }
.paper-header nav a:hover { color: #fff; }
.paper-header .paper-download {
  padding: 10px 13px;
  border: 1px solid rgba(115,239,246,.38);
  border-radius: 6px;
  color: #fff;
  background: rgba(61,215,231,.08);
}

.white-paper {
  width: min(1180px, calc(100% - 48px));
  margin: 38px auto;
  background: #fff;
}

.paper-cover {
  position: relative;
  display: flex;
  min-height: 760px;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 68px 74px 58px;
  color: #fff;
  background: #071722;
}
.paper-cover::after {
  position: absolute;
  right: -130px;
  bottom: -220px;
  width: 570px;
  height: 570px;
  border: 1px solid rgba(115,239,246,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 75px rgba(115,239,246,.035), 0 0 0 150px rgba(115,239,246,.02);
  content: "";
}
.cover-grid {
  position: absolute;
  inset: 0;
  opacity: .09;
  background-image:
    linear-gradient(rgba(115,239,246,.45) 1px, transparent 1px),
    linear-gradient(90deg, rgba(115,239,246,.45) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom right, #000, transparent 75%);
}
.cover-mark {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 13px;
  color: #73eff6;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
}
.cover-mark .brand-mark { width: 34px; height: 34px; }
.cover-copy { position: relative; z-index: 2; max-width: 810px; margin-top: 92px; }
.paper-label {
  margin-bottom: 22px;
  color: rgba(255,255,255,.48);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
}
.cover-copy h1 {
  max-width: 800px;
  margin: 0;
  color: #fff;
  font-size: clamp(54px, 7vw, 86px);
  font-weight: 630;
  letter-spacing: -.06em;
  line-height: .96;
}
.cover-subtitle {
  max-width: 760px;
  margin: 28px 0 0;
  color: #73eff6;
  font-size: 25px;
  font-weight: 520;
  letter-spacing: -.02em;
  line-height: 1.28;
}
.cover-positioning {
  max-width: 670px;
  margin: 23px 0 0;
  color: rgba(255,255,255,.61);
  font-size: 15px;
  line-height: 1.65;
}
.cover-boundary {
  position: relative;
  z-index: 2;
  display: flex;
  width: min(660px, 100%);
  align-items: center;
  gap: 15px;
  margin-top: 70px;
  color: rgba(255,255,255,.5);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: .14em;
}
.cover-boundary i { height: 1px; flex: 1; background: rgba(115,239,246,.32); }
.cover-meta {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 48px;
  border-top: 1px solid rgba(255,255,255,.14);
}
.cover-meta div { display: flex; flex-direction: column; gap: 7px; padding: 20px 20px 0; border-left: 1px solid rgba(255,255,255,.14); }
.cover-meta div:first-child { padding-left: 0; border-left: 0; }
.cover-meta span { color: rgba(255,255,255,.39); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.cover-meta strong { color: rgba(255,255,255,.86); font-family: var(--mono); font-size: 11px; font-weight: 600; }

.paper-section {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 32px;
  padding: 82px 74px;
  border-bottom: 1px solid #dce5e7;
}
.section-number {
  padding-top: 4px;
  color: #87a0aa;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
}
.section-kicker {
  margin: 0 0 13px;
  color: #168b9b;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .14em;
}
.paper-section h2 {
  max-width: 850px;
  margin: 0 0 25px;
  color: #08131d;
  font-size: 39px;
  font-weight: 640;
  letter-spacing: -.045em;
  line-height: 1.08;
}
.paper-section h3 { color: #0c1c27; }
.paper-section p {
  max-width: 880px;
  margin: 0 0 18px;
  color: #425966;
  font-size: 15px;
  line-height: 1.74;
}
.paper-section .lead {
  color: #203743;
  font-size: 20px;
  line-height: 1.55;
}
.paper-section .fine { color: #71838c; font-size: 12px; line-height: 1.58; }
.paper-section code { font-size: .92em; }

.thesis {
  max-width: 900px;
  margin-top: 34px;
  padding: 25px 28px;
  border-left: 3px solid #2bc9d9;
  background: #edf9fa;
}
.thesis strong { color: #08798a; font-size: 11px; letter-spacing: .11em; text-transform: uppercase; }
.thesis p { margin: 8px 0 0; color: #173540; font-size: 17px; line-height: 1.55; }

.problem-grid,
.integration-grid,
.control-notes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 35px 0;
  border: 1px solid #dce5e7;
  background: #dce5e7;
}
.problem-grid article,
.integration-grid article,
.control-notes article { padding: 27px; background: #fff; }
.problem-grid span,
.integration-grid > article > span {
  color: #168b9b;
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
}
.problem-grid h3,
.integration-grid h3,
.control-notes h3 { margin: 12px 0 7px; font-size: 17px; }
.problem-grid p,
.integration-grid p,
.control-notes p { margin: 0; font-size: 13px; line-height: 1.55; }

.nonclaims-section { background: #f7fafb; }
.boundary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 32px; }
.boundary-grid > div { padding: 30px; border: 1px solid #d8e3e5; background: #fff; }
.boundary-yes { border-top: 4px solid #22aa85 !important; }
.boundary-no { border-top: 4px solid #de6262 !important; }
.boundary-grid h3 { margin: 0 0 20px; font-size: 18px; }
.boundary-grid ul,
.review-checklist ol,
.roadmap ul,
.limitations-columns ul { margin: 0; padding-left: 19px; color: #425966; }
.boundary-grid li,
.review-checklist li,
.roadmap li,
.limitations-columns li { margin: 10px 0; font-size: 13px; line-height: 1.5; }
.boundary-yes li::marker { color: #22aa85; }
.boundary-no li::marker { color: #de6262; }

.principle-list { border-top: 1px solid #dce5e7; }
.principle-list article {
  display: grid;
  grid-template-columns: 55px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid #dce5e7;
}
.principle-list b { color: #19a7b9; font-family: var(--mono); font-size: 11px; }
.principle-list h3 { margin: 0 0 5px; font-size: 17px; }
.principle-list p { margin: 0; font-size: 13px; }

.architecture-section,
.privacy-paper-section,
.governance-section {
  color: #fff;
  background: #071722;
  border-color: rgba(255,255,255,.1);
}
.architecture-section .section-number,
.privacy-paper-section .section-number,
.governance-section .section-number { color: rgba(255,255,255,.35); }
.architecture-section h2,
.privacy-paper-section h2,
.governance-section h2 { color: #fff; }
.architecture-section p,
.privacy-paper-section p,
.governance-section p { color: rgba(255,255,255,.63); }
.architecture-section .section-kicker,
.privacy-paper-section .section-kicker,
.governance-section .section-kicker { color: #73eff6; }

.diagram { margin: 38px 0 0; break-inside: avoid; }
.diagram svg { display: block; width: 100%; height: auto; }
.diagram figcaption { margin-top: 17px; color: #60747e; font-size: 11px; line-height: 1.55; }
.architecture-section .diagram figcaption,
.privacy-paper-section .diagram figcaption,
.governance-section .diagram figcaption { color: rgba(255,255,255,.48); }
.diagram .lane { fill: rgba(255,255,255,.02); stroke: rgba(115,239,246,.22); stroke-dasharray: 7 7; }
.diagram .lane-title { fill: #54d8e5; font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 1.1px; }
.diagram .node rect { fill: #fff; stroke: #d3e0e3; stroke-width: 1.4; }
.architecture-section .diagram .node rect,
.privacy-paper-section .diagram .node rect,
.governance-section .diagram .node rect { fill: #102936; stroke: rgba(255,255,255,.18); }
.diagram .node text { fill: #152b36; font-family: var(--sans); font-size: 14px; font-weight: 680; text-anchor: middle; }
.architecture-section .diagram .node text,
.privacy-paper-section .diagram .node text,
.governance-section .diagram .node text { fill: #f5ffff; }
.diagram .node .sub { fill: #718691; font-family: var(--mono); font-size: 9px; font-weight: 500; }
.architecture-section .diagram .node .sub,
.privacy-paper-section .diagram .node .sub,
.governance-section .diagram .node .sub { fill: rgba(255,255,255,.46); }
.diagram .node.primary rect { fill: #dff8fa; stroke: #4dd6e2; }
.diagram .node.primary text { fill: #073640; }
.architecture-section .diagram .node.primary rect,
.governance-section .diagram .node.primary rect { fill: #123b48; stroke: #5de5ee; }
.architecture-section .diagram .node.primary text,
.governance-section .diagram .node.primary text { fill: #fff; }
.diagram .node.caution rect { fill: #173645; stroke: #e6bd69; }
.diagram .node.reject rect { fill: #321f26; stroke: #d76971; }
.diagram .node.audit rect { fill: #14332f; stroke: #39b28d; }
.diagram .node.review rect { fill: #2e2b1d; stroke: #d9bd5f; }
.diagram .arrow { fill: none; stroke: #55cfd9; stroke-width: 1.7; }
.diagram .branch { fill: none; stroke: #cf7e83; stroke-width: 1.5; stroke-dasharray: 5 5; }
.diagram marker path { fill: #55cfd9; }

.authority-boundary { fill: #f7fbfc; stroke: #56cbd7; stroke-width: 1.5; stroke-dasharray: 8 7; }
.authority-diagram .lane-title { fill: #168b9b; }
.agent-box rect { fill: #fff; stroke: #d8e3e5; }
.agent-box text { fill: #536a75; font-family: var(--mono); font-size: 10px; }
.agent-box .agent-name { fill: #102630; font-family: var(--sans); font-size: 15px; font-weight: 700; }
.agent-box .agent-id { fill: #168b9b; font-size: 8.5px; }
.prohibited text { fill: #8d9ca3; font-family: var(--mono); font-size: 8.5px; }
.prohibited text:first-child { fill: #d2545d; font-weight: 700; }

.agent-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 40px; }
.agent-detail-grid article { padding: 25px; border: 1px solid #dce5e7; background: #fff; }
.agent-tag { color: #168b9b; font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.agent-detail-grid h3 { margin: 13px 0 7px; font-size: 18px; }
.agent-detail-grid code { display: block; overflow-wrap: anywhere; color: #168b9b; font-size: 9px; }
.agent-detail-grid p { margin: 17px 0 0; font-size: 12px; line-height: 1.6; }
.agent-detail-grid .exclusion { padding-top: 14px; border-top: 1px solid #e2eaec; color: #7b5a5d; font-size: 11px; }

.method-block { margin-top: 30px; padding: 34px; border: 1px solid #dce5e7; break-inside: avoid; }
.method-heading { display: flex; align-items: center; gap: 16px; margin-bottom: 15px; }
.method-heading > span { color: #19a7b9; font-family: var(--mono); font-size: 10px; }
.method-heading h3 { margin: 0; font-size: 20px; }
.method-block > p { font-size: 13px; }
.formula-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 24px 0; }
.formula-row.two { grid-template-columns: repeat(2, 1fr); }
.formula {
  padding: 20px;
  color: #1a3c48;
  background: #f0f6f7;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  text-align: center;
}
.formula span { display: block; margin-bottom: 12px; color: #6c8089; font-family: var(--sans); font-size: 9px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.formula.featured { color: #053641; background: #dff7f9; }
.thresholds { display: grid; grid-template-columns: repeat(4, 1fr); margin: 23px 0 14px; border: 1px solid #dce5e7; }
.thresholds div { display: flex; flex-direction: column; gap: 4px; padding: 17px; border-left: 1px solid #dce5e7; }
.thresholds div:first-child { border-left: 0; }
.thresholds b { color: #0a6e7d; font-family: var(--mono); font-size: 16px; }
.thresholds span { color: #73858e; font-size: 9px; text-transform: uppercase; }
.weight-bars { display: grid; gap: 11px; margin: 25px 0; }
.weight-bars > div { display: grid; grid-template-columns: 145px 1fr 44px; gap: 12px; align-items: center; }
.weight-bars span { color: #425966; font-size: 11px; }
.weight-bars i { position: relative; display: block; height: 7px; background: #e3ebed; }
.weight-bars i::after { display: block; width: var(--w); height: 100%; background: #28b7c7; content: ""; }
.weight-bars b { color: #176b77; font-family: var(--mono); font-size: 10px; }
.risk-scale { display: grid; grid-template-columns: 40fr 30fr 30fr; margin: 24px 0 15px; color: #fff; }
.risk-scale div { display: flex; justify-content: space-between; padding: 14px 16px; }
.risk-scale b,
.risk-scale span { font-family: var(--mono); font-size: 9px; }
.risk-scale .lower { background: #315c6b; }
.risk-scale .moderate { background: #85743a; }
.risk-scale .higher { background: #7d454b; }
.formula-list { margin-top: 24px; border-top: 1px solid #dce5e7; }
.formula-list > div { display: grid; grid-template-columns: 180px 1fr 1fr; gap: 18px; padding: 17px 0; border-bottom: 1px solid #dce5e7; align-items: center; }
.formula-list span { color: #263e49; font-size: 12px; font-weight: 700; }
.formula-list code { color: #0d7887; font-size: 11px; }
.formula-list small { color: #778992; font-size: 10px; }

.source-diagram .source-box rect { fill: #eef9fa; stroke: #66cad4; }
.source-diagram .source-box text { fill: #0c5f6a; font-family: var(--mono); font-size: 11px; font-weight: 700; }
.source-diagram .source-box .sub { fill: #66808a; font-size: 9px; font-weight: 500; }
.source-diagram .source-box .note { fill: #9a777a; font-size: 8px; }
.source-diagram .record-box rect { fill: #fff; stroke: #d4e0e2; }
.source-diagram .record-box text { fill: #1c323d; font-family: var(--sans); font-size: 13px; font-weight: 680; text-anchor: middle; }
.source-diagram .record-box .sub { fill: #74868f; font-family: var(--mono); font-size: 8px; font-weight: 500; }
.validation-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 22px; border: 1px solid #dce5e7; }
.validation-strip span { padding: 15px; border-left: 1px solid #dce5e7; color: #47606b; font-size: 10px; text-align: center; }
.validation-strip span:first-child { border-left: 0; }

.privacy-diagram .risk-boundary { fill: rgba(255,255,255,.02); stroke: rgba(115,239,246,.22); stroke-dasharray: 7 7; }
.privacy-step rect { fill: #102936; stroke: rgba(255,255,255,.17); }
.privacy-step text { fill: rgba(255,255,255,.5); font-family: var(--mono); font-size: 9px; }
.privacy-step .step-no { fill: #55d4df; font-size: 9px; font-weight: 700; }
.privacy-step .step-title { fill: #fff; font-family: var(--sans); font-size: 14px; font-weight: 700; }
.privacy-legend text { fill: rgba(255,255,255,.47); font-family: var(--mono); font-size: 9px; }
.reject-path { fill: none; stroke: #cf7e83; stroke-width: 1.6; stroke-dasharray: 5 5; }
.privacy-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 30px; background: rgba(255,255,255,.12); }
.privacy-facts div { display: flex; flex-direction: column; gap: 6px; padding: 20px; background: #0d2430; }
.privacy-facts strong { color: #73eff6; font-size: 10px; text-transform: uppercase; }
.privacy-facts span { color: rgba(255,255,255,.61); font-size: 11px; }

.receipt-shell { margin-top: 32px; border: 1px solid #ccdadd; }
.receipt-header { display: flex; justify-content: space-between; padding: 17px 20px; color: #fff; background: #102b38; }
.receipt-header span { font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: .12em; }
.receipt-header code { color: #73eff6; font-size: 9px; }
.receipt-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.receipt-grid div { display: flex; min-height: 76px; flex-direction: column; gap: 8px; padding: 17px; border-right: 1px solid #dce5e7; border-bottom: 1px solid #dce5e7; }
.receipt-grid div:nth-child(4n) { border-right: 0; }
.receipt-grid span { color: #7b8c94; font-size: 9px; text-transform: uppercase; }
.receipt-grid b { color: #263e49; font-size: 11px; font-weight: 650; }
.receipt-excluded { padding: 17px 20px; color: #775a5d; font-family: var(--mono); font-size: 9px; background: #fff5f5; }
.receipt-excluded span { margin-right: 12px; color: #c64953; font-weight: 800; }

.decision-diagram .decision-line { stroke: rgba(115,239,246,.42); stroke-width: 1.5; stroke-dasharray: 9 7; }
.decision-diagram .decision-label { fill: #73eff6; }
.decision-diagram .decision-label-text { fill: #052733; font-family: var(--mono); font-size: 9px; font-weight: 800; letter-spacing: 1.1px; text-anchor: middle; }
.decision-diagram .review-required { fill: #e2ca77 !important; font-family: var(--mono) !important; font-size: 9px !important; }
.decision-owner text { fill: rgba(255,255,255,.42); font-family: var(--mono); font-size: 9px; }
.decision-owner text:first-child,
.decision-owner text:nth-child(4) { fill: #73eff6; font-weight: 800; letter-spacing: 1px; }
.review-checklist { margin-top: 35px; padding: 28px; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.035); }
.review-checklist h3 { margin: 0 0 16px; color: #fff; font-size: 17px; }
.review-checklist ol { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 30px; color: rgba(255,255,255,.63); }
.review-checklist li { padding-left: 4px; }
.review-checklist li::marker { color: #73eff6; font-family: var(--mono); }

.api-paths { margin-top: 30px; border: 1px solid #dce5e7; }
.api-paths > div { display: grid; grid-template-columns: 90px 1fr; padding: 14px 17px; border-bottom: 1px solid #dce5e7; }
.api-paths > div:last-child { border-bottom: 0; }
.api-paths span { color: #168b9b; font-family: var(--mono); font-size: 9px; font-weight: 700; }
.api-paths code { color: #28434f; font-size: 11px; }

.control-metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin: 32px 0; border: 1px solid #dce5e7; }
.control-metrics div { display: flex; min-height: 108px; flex-direction: column; justify-content: center; padding: 22px; border-right: 1px solid #dce5e7; border-bottom: 1px solid #dce5e7; }
.control-metrics div:nth-child(3n) { border-right: 0; }
.control-metrics div:nth-last-child(-n+3) { border-bottom: 0; }
.control-metrics b { color: #087888; font-family: var(--mono); font-size: 22px; }
.control-metrics span { margin-top: 7px; color: #758991; font-size: 10px; text-transform: uppercase; }

.evaluation-section { background: #f3f7f8; }
.roadmap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 32px; }
.roadmap article { position: relative; min-height: 245px; padding: 27px; border-top: 3px solid #28aebe; background: #fff; }
.roadmap article > span { color: #168b9b; font-family: var(--mono); font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.roadmap h3 { margin: 12px 0 17px; font-size: 17px; }
.roadmap li { margin: 7px 0; font-size: 11px; }
.roadmap li::marker { color: #28aebe; }

.limitations-columns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; }
.limitations-columns h3 { margin: 25px 0 10px; padding-bottom: 9px; border-bottom: 1px solid #dce5e7; font-size: 16px; }
.limitations-columns h3:first-child { margin-top: 0; }
.limitations-columns li { font-size: 12px; }

.conclusion-section { color: #fff; background: #0b2a37; }
.conclusion-section .section-number { color: rgba(255,255,255,.35); }
.conclusion-section .section-kicker { color: #73eff6; }
.conclusion-section h2 { color: #fff; }
.conclusion-section p,
.conclusion-section .lead { color: rgba(255,255,255,.7); }
.conclusion-line { display: flex; align-items: center; gap: 14px; margin-top: 45px; color: #73eff6; font-family: var(--mono); font-size: 9px; font-weight: 700; letter-spacing: .11em; }
.conclusion-line i { height: 1px; flex: 1; background: rgba(115,239,246,.33); }

.appendix-section { background: #f7fafb; }
.response-example { margin: 30px 0; padding: 25px; overflow-x: auto; color: #d9f7f8; background: #071722; }
.response-example pre { margin: 0; }
.response-example code { font-size: 10px; line-height: 1.7; }
.reference-list { border-top: 1px solid #dce5e7; }
.reference-list > div { display: grid; grid-template-columns: 285px 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid #dce5e7; }
.reference-list code { color: #087888; font-size: 10px; }
.reference-list span { color: #617680; font-size: 11px; }
.legal-note { margin-top: 35px; padding: 24px; border: 1px solid #e4d8bb; background: #fffaf0; }
.legal-note strong { color: #816b2d; font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.legal-note p { margin: 8px 0 0; color: #6e684f; font-size: 11px; }

.paper-footer {
  display: flex;
  width: min(1180px, calc(100% - 48px));
  align-items: center;
  justify-content: space-between;
  margin: 0 auto 38px;
  padding: 32px 34px;
  color: #fff;
  background: #071722;
}
.paper-footer .brand { font-size: 17px; }
.paper-footer p { color: rgba(255,255,255,.48); font-size: 11px; }
.paper-footer > div { display: flex; gap: 18px; }
.paper-footer > div a { color: rgba(255,255,255,.65); font-size: 10px; }

@media (max-width: 900px) {
  .paper-header nav a:not(.paper-download) { display: none; }
  .white-paper { width: 100%; margin: 0; }
  .paper-cover { min-height: 720px; padding: 55px 36px 42px; }
  .paper-section { grid-template-columns: 1fr; gap: 12px; padding: 62px 36px; }
  .section-number { padding: 0; }
  .problem-grid,
  .boundary-grid,
  .agent-detail-grid,
  .formula-row,
  .formula-row.two,
  .integration-grid,
  .control-notes,
  .roadmap,
  .limitations-columns,
  .privacy-facts { grid-template-columns: 1fr; }
  .receipt-grid,
  .control-metrics { grid-template-columns: repeat(2, 1fr); }
  .receipt-grid div:nth-child(4n) { border-right: 1px solid #dce5e7; }
  .receipt-grid div:nth-child(2n) { border-right: 0; }
  .control-metrics div:nth-child(3n) { border-right: 1px solid #dce5e7; }
  .control-metrics div:nth-child(2n) { border-right: 0; }
  .control-metrics div:nth-last-child(-n+3) { border-bottom: 1px solid #dce5e7; }
  .control-metrics div:nth-last-child(-n+2) { border-bottom: 0; }
  .review-checklist ol { grid-template-columns: 1fr; }
  .formula-list > div { grid-template-columns: 1fr; gap: 5px; }
  .paper-footer { width: 100%; flex-direction: column; gap: 18px; text-align: center; }
}

@media (max-width: 560px) {
  .paper-header { padding: 0 18px; }
  .paper-header .brand b { display: none; }
  .paper-header .paper-download { padding: 9px 10px; font-size: 10px; }
  .paper-cover { min-height: 680px; padding: 44px 24px 34px; }
  .cover-copy h1 { font-size: 49px; }
  .cover-subtitle { font-size: 20px; }
  .cover-meta { grid-template-columns: 1fr; }
  .cover-meta div { padding: 12px 0; border-top: 1px solid rgba(255,255,255,.12); border-left: 0; }
  .paper-section { padding: 52px 24px; }
  .paper-section h2 { font-size: 31px; }
  .paper-section .lead { font-size: 17px; }
  .thresholds,
  .validation-strip { grid-template-columns: repeat(2, 1fr); }
  .thresholds div:nth-child(3),
  .validation-strip span:nth-child(3) { border-top: 1px solid #dce5e7; border-left: 0; }
  .thresholds div:nth-child(4),
  .validation-strip span:nth-child(4) { border-top: 1px solid #dce5e7; }
  .receipt-grid,
  .control-metrics { grid-template-columns: 1fr; }
  .receipt-grid div,
  .control-metrics div { border-right: 0 !important; border-bottom: 1px solid #dce5e7 !important; }
  .receipt-grid div:last-child,
  .control-metrics div:last-child { border-bottom: 0 !important; }
  .weight-bars > div { grid-template-columns: 110px 1fr 38px; }
  .risk-scale { grid-template-columns: 1fr; }
  .diagram { margin-right: -15px; margin-left: -15px; overflow-x: auto; }
  .diagram svg { min-width: 760px; }
}

@page {
  size: A4;
  margin: 14mm 13mm 16mm;
}

@media print {
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  .screen-only { display: none !important; }
  html, body { width: 100%; margin: 0; background: #fff; }
  .white-paper { width: auto; margin: 0; }
  .paper-cover {
    min-height: 267mm;
    margin: -14mm -13mm -16mm;
    padding: 22mm 20mm 18mm;
    break-after: page;
  }
  .cover-copy { margin-top: 35mm; }
  .cover-copy h1 { font-size: 54pt; }
  .cover-subtitle { font-size: 18pt; }
  .paper-section {
    display: block;
    position: relative;
    padding: 12mm 3mm;
    break-before: auto;
  }
  .section-number {
    position: static;
    width: auto;
    margin-bottom: 2mm;
    padding: 0;
  }
  .paper-section > div:last-child { margin-left: 0; }
  .paper-section h2 { font-size: 24pt; }
  .paper-section p { font-size: 9.5pt; line-height: 1.55; }
  .paper-section .lead { font-size: 13pt; }
  .architecture-section,
  .privacy-paper-section,
  .governance-section,
  .conclusion-section { margin-right: -13mm; margin-left: -13mm; padding-right: 16mm; padding-left: 16mm; }
  .architecture-section,
  .runtime-section,
  .methodology-section,
  .source-section,
  .privacy-paper-section,
  .governance-section,
  .evaluation-section,
  .limitations-section,
  .appendix-section { break-before: page; }
  .diagram { break-inside: avoid; }
  .diagram figcaption { font-size: 7.5pt; }
  .problem-grid article,
  .integration-grid article,
  .control-notes article { padding: 14px; }
  .agent-detail-grid { display: block !important; }
  .agent-detail-grid article { margin-top: 3mm; padding: 15px; break-inside: avoid; }
  .agent-detail-grid p { font-size: 8pt; }
  .method-block { padding: 20px; break-inside: auto; }
  .method-block:nth-of-type(3) { break-before: page; }
  .roadmap { display: block !important; }
  .roadmap article { min-height: 0; margin-bottom: 3mm; padding: 16px; break-inside: avoid; }
  .evaluation-section { break-after: page; }
  .limitations-columns { display: block !important; }
  .receipt-shell,
  .review-checklist,
  .boundary-grid,
  .control-metrics,
  .legal-note { break-inside: avoid; }
}