.route-case-page {
  --route-paper: #f3f0e8;
  --route-paper-2: #e9e4d9;
  --route-white: #fffefa;
  --route-ink: #171614;
  --route-blue: #2548cf;
  --route-red: #bd4738;
  --route-amber: #efb82d;
  --route-muted: #6e6961;
  --route-line: #c9c2b5;
  background: var(--route-paper);
  color: var(--route-ink);
}

.route-case-page .section-shell {
  width: min(1120px, calc(100% - 44px));
}

.route-case-page .site-header {
  border-color: rgba(23, 22, 20, 0.12);
  background: rgba(243, 240, 232, 0.94);
}

.route-case-page section[id] {
  scroll-margin-top: 88px;
}

.route-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--route-ink);
  padding: clamp(64px, 8vw, 112px) 0 clamp(72px, 9vw, 122px);
  background:
    linear-gradient(90deg, rgba(23, 22, 20, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, var(--route-white) 0%, var(--route-paper) 100%);
  background-size: 68px 68px, auto;
}

.route-hero::after {
  position: absolute;
  top: 76px;
  right: max(28px, calc((100vw - 1120px) / 2 - 46px));
  width: 15px;
  height: 15px;
  transform: rotate(45deg);
  background: var(--route-red);
  content: "";
}

.route-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
  gap: clamp(42px, 6vw, 82px);
  align-items: center;
}

.route-status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 15px;
  align-items: center;
  color: var(--route-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.route-status {
  display: inline-flex;
  border: 1px solid var(--route-ink);
  border-radius: 999px;
  background: var(--route-white);
  color: var(--route-red);
  padding: 5px 10px;
  font-weight: 900;
}

.route-hero h1 {
  display: block;
  max-width: 720px;
  margin: 24px 0 0;
  font-family:
    "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: clamp(42px, 4.55vw, 62px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.17;
}

.route-hero-lead {
  max-width: 680px;
  margin: 26px 0 0;
  color: #3f3b35;
  font-size: clamp(17px, 1.45vw, 20px);
  font-weight: 620;
  line-height: 1.72;
}

.route-hero-thesis {
  max-width: 650px;
  margin: 21px 0 0;
  border-left: 4px solid var(--route-red);
  padding-left: 17px;
  color: var(--route-ink);
  font-size: 16px;
  font-weight: 820;
  line-height: 1.65;
}

.route-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.route-primary {
  border-color: var(--route-ink);
  background: var(--route-ink);
  color: #ffffff;
}

.route-ghost {
  border-color: var(--route-ink);
  background: var(--route-white);
  color: var(--route-ink);
}

.two-step-map {
  position: relative;
  margin: 0;
  border: 1px solid var(--route-ink);
  background: var(--route-white);
  box-shadow: 17px 19px 0 rgba(23, 22, 20, 0.11);
}

.two-step-map::before {
  position: absolute;
  top: -11px;
  right: 24px;
  width: 72px;
  height: 22px;
  transform: rotate(2deg);
  background: rgba(239, 184, 45, 0.8);
  content: "";
}

.two-step-map-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  min-height: 68px;
  padding: 18px 22px;
  background: var(--route-blue);
  color: #ffffff;
}

.two-step-map-head span {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.two-step-map-head strong {
  font-family:
    "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: 25px;
}

.two-step-map ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.two-step-map li {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  min-height: 156px;
  align-items: center;
  border-bottom: 1px solid var(--route-ink);
  padding: 25px 22px;
}

.two-step-map li:first-child::after {
  position: absolute;
  z-index: 2;
  bottom: -8px;
  left: 39px;
  width: 14px;
  height: 14px;
  transform: rotate(45deg);
  border-right: 1px solid var(--route-ink);
  border-bottom: 1px solid var(--route-ink);
  background: var(--route-white);
  content: "";
}

.two-step-map li > span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 2px solid var(--route-red);
  border-radius: 50%;
  color: var(--route-red);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.two-step-map li:nth-child(2) > span {
  border-color: var(--route-blue);
  color: var(--route-blue);
}

.two-step-map h2 {
  margin: 0;
  font-size: clamp(20px, 1.7vw, 24px);
  line-height: 1.35;
}

.two-step-map p {
  margin: 8px 0 0;
  color: var(--route-muted);
  font-size: 14px;
  line-height: 1.6;
}

.two-step-map figcaption {
  padding: 12px 22px;
  color: var(--route-muted);
  font-size: 11px;
  font-weight: 760;
}

.route-fact-strip {
  border-bottom: 1px solid var(--route-ink);
  background: var(--route-ink);
  color: #ffffff;
}

.route-fact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.route-fact-grid div {
  display: grid;
  min-height: 116px;
  align-content: center;
  gap: 7px;
  border-right: 1px solid rgba(255, 255, 255, 0.21);
  padding: 21px clamp(14px, 2vw, 27px);
}

.route-fact-grid div:last-child {
  border-right: 0;
}

.route-fact-grid span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.04em;
}

.route-fact-grid strong {
  font-size: clamp(16px, 1.55vw, 20px);
  line-height: 1.35;
}

.route-bridge {
  border-bottom: 1px solid var(--route-ink);
  background: var(--route-amber);
}

.route-bridge-grid {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
  padding-block: clamp(42px, 5vw, 66px);
}

.route-bridge-grid > span {
  border-top: 1px solid var(--route-ink);
  padding-top: 10px;
  font-size: 12px;
  font-weight: 900;
}

.route-bridge-grid p {
  max-width: 850px;
  margin: 0;
  font-family:
    "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: clamp(21px, 2.25vw, 30px);
  font-weight: 760;
  line-height: 1.62;
}

.route-section {
  border-bottom: 1px solid var(--route-ink);
  padding: clamp(82px, 9vw, 124px) 0;
}

.route-recommendation-one {
  background: var(--route-paper);
}

.route-recommendation-two {
  background: var(--route-white);
}

.recommendation-heading {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.recommendation-number {
  display: inline-flex;
  width: max-content;
  border: 1px solid var(--route-ink);
  background: var(--route-white);
  padding: 8px 11px;
  color: var(--route-red);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.route-recommendation-two .recommendation-number {
  color: var(--route-blue);
}

.recommendation-heading h2 {
  max-width: 850px;
  margin: 0;
  font-family:
    "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: clamp(37px, 4vw, 54px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.recommendation-heading p {
  margin: 18px 0 0;
  color: var(--route-muted);
  font-size: 17px;
  font-weight: 690;
}

.direct-answer {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  margin-top: clamp(42px, 5vw, 66px);
  border-top: 8px solid var(--route-red);
  background: var(--route-ink);
  padding: clamp(25px, 4vw, 42px);
  color: #ffffff;
}

.direct-answer-blue {
  border-top-color: var(--route-blue);
}

.direct-answer > span {
  color: var(--route-amber);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.direct-answer p {
  max-width: 850px;
  margin: 0;
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 730;
  line-height: 1.68;
}

.content-block {
  margin-top: clamp(72px, 9vw, 116px);
}

.block-heading {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  max-width: 900px;
  margin-bottom: 34px;
}

.block-heading > span {
  border-top: 2px solid var(--route-red);
  padding-top: 8px;
  color: var(--route-red);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.route-recommendation-two .block-heading > span {
  border-color: var(--route-blue);
  color: var(--route-blue);
}

.block-heading h3 {
  margin: 0;
  font-size: clamp(27px, 3vw, 39px);
  line-height: 1.28;
}

.block-heading p {
  max-width: 700px;
  margin: 11px 0 0;
  color: var(--route-muted);
  font-size: 16px;
  line-height: 1.65;
}

.workstream-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--route-ink);
  background: var(--route-ink);
  gap: 1px;
}

.workstream-card {
  display: flex;
  min-height: 345px;
  flex-direction: column;
  background: var(--route-white);
  padding: clamp(24px, 3vw, 34px);
}

.workstream-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.workstream-card-head b {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 50%;
  background: var(--route-blue);
  color: #ffffff;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 19px;
}

.workstream-b .workstream-card-head b {
  background: var(--route-red);
}

.workstream-c .workstream-card-head b {
  background: var(--route-amber);
  color: var(--route-ink);
}

.workstream-card-head span {
  color: var(--route-muted);
  font-size: 11px;
  font-weight: 850;
  text-align: right;
}

.workstream-card h4 {
  margin: 28px 0 0;
  font-size: clamp(22px, 2vw, 27px);
  line-height: 1.35;
}

.workstream-card p {
  margin: 16px 0 0;
  color: var(--route-muted);
  font-size: 15px;
  line-height: 1.72;
}

.workstream-card strong {
  margin-top: auto;
  border-top: 1px solid var(--route-line);
  padding-top: 17px;
  color: var(--route-blue);
  font-size: 13px;
  line-height: 1.5;
}

.workstream-b strong {
  color: var(--route-red);
}

.workstream-c strong {
  color: #765811;
}

.decision-chain {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--route-ink);
  border-left: 1px solid var(--route-ink);
}

.decision-chain article {
  min-height: 156px;
  border-right: 1px solid var(--route-ink);
  border-bottom: 1px solid var(--route-ink);
  background: var(--route-white);
  padding: 25px;
}

.decision-chain span {
  color: var(--route-red);
  font-size: 13px;
  font-weight: 900;
}

.decision-chain p {
  margin: 18px 0 0;
  color: #3e3a34;
  font-size: 16px;
  font-weight: 720;
  line-height: 1.6;
}

.insertion-rule {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 58px);
  margin-top: 16px;
  border: 1px solid var(--route-red);
  background: #f4e3dd;
  padding: 25px;
}

.insertion-rule span {
  color: var(--route-red);
  font-size: 13px;
  font-weight: 900;
}

.insertion-rule p {
  margin: 0;
  color: #583d37;
  font-size: 16px;
  font-weight: 720;
  line-height: 1.65;
}

.pilot-timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border: 1px solid var(--route-ink);
  background: var(--route-ink);
  gap: 1px;
  list-style: none;
}

.pilot-timeline li {
  position: relative;
  min-height: 255px;
  background: var(--route-white);
  padding: clamp(25px, 3vw, 34px);
}

.pilot-timeline li::after {
  position: absolute;
  z-index: 2;
  top: 38px;
  right: -8px;
  width: 14px;
  height: 14px;
  transform: rotate(45deg);
  border-top: 1px solid var(--route-ink);
  border-right: 1px solid var(--route-ink);
  background: var(--route-white);
  content: "";
}

.pilot-timeline li:last-child::after {
  display: none;
}

.pilot-timeline span {
  color: var(--route-red);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.pilot-timeline h4 {
  margin: 31px 0 0;
  font-size: 23px;
  line-height: 1.35;
}

.pilot-timeline p {
  margin: 16px 0 0;
  color: var(--route-muted);
  font-size: 15px;
  line-height: 1.7;
}

.annual-timeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--route-ink);
  border-left: 1px solid var(--route-ink);
  list-style: none;
}

.annual-timeline li {
  min-height: 166px;
  border-right: 1px solid var(--route-ink);
  border-bottom: 1px solid var(--route-ink);
  background: var(--route-paper);
  padding: 22px 18px;
}

.annual-timeline span {
  color: var(--route-blue);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.annual-timeline p {
  margin: 24px 0 0;
  font-size: 15px;
  font-weight: 760;
  line-height: 1.55;
}

.product-roles {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-bottom: 17px;
  border: 1px solid var(--route-ink);
  background: var(--route-ink);
  gap: 1px;
}

.product-roles span {
  display: grid;
  min-height: 66px;
  place-items: center;
  background: var(--route-paper);
  padding: 10px;
  font-size: 13px;
  font-weight: 850;
  text-align: center;
}

.master-sheet {
  border: 1px solid var(--route-ink);
  background: var(--route-white);
  box-shadow: 15px 17px 0 rgba(23, 22, 20, 0.09);
}

.master-sheet-title {
  display: flex;
  min-height: 68px;
  align-items: baseline;
  justify-content: space-between;
  gap: 22px;
  background: var(--route-blue);
  padding: 19px 23px;
  color: #ffffff;
}

.master-sheet-title span {
  font-size: 19px;
  font-weight: 900;
}

.master-sheet-title small {
  color: rgba(255, 255, 255, 0.67);
  font-size: 11px;
  font-weight: 800;
}

.master-sheet-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.master-sheet-fields article {
  min-height: 170px;
  border-right: 1px solid var(--route-line);
  border-bottom: 1px solid var(--route-line);
  padding: 23px;
}

.master-sheet-fields article:nth-child(3n) {
  border-right: 0;
}

.master-sheet-fields article:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.master-sheet-fields article > span {
  color: var(--route-blue);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
}

.master-sheet-fields h4 {
  margin: 20px 0 0;
  font-size: 21px;
}

.master-sheet-fields p {
  margin: 9px 0 0;
  color: var(--route-muted);
  font-size: 14px;
  line-height: 1.6;
}

.operating-loop {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.operating-loop li {
  position: relative;
  display: grid;
  min-height: 84px;
  place-items: center;
  border: 1px solid var(--route-ink);
  border-right: 0;
  background: var(--route-white);
  padding: 14px 20px;
  text-align: center;
}

.operating-loop li:last-child {
  border-right: 1px solid var(--route-ink);
}

.operating-loop li:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  right: -8px;
  width: 14px;
  height: 14px;
  transform: rotate(45deg);
  border-top: 1px solid var(--route-ink);
  border-right: 1px solid var(--route-ink);
  background: var(--route-white);
  content: "";
}

.operating-loop span {
  font-size: 13px;
  font-weight: 820;
  line-height: 1.45;
}

.validation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--route-ink);
  border-left: 1px solid var(--route-ink);
}

.validation-grid article {
  min-height: 200px;
  border-right: 1px solid var(--route-ink);
  border-bottom: 1px solid var(--route-ink);
  background: var(--route-paper);
  padding: clamp(23px, 3vw, 34px);
}

.validation-grid article > span {
  display: inline-flex;
  border: 1px solid var(--route-blue);
  color: var(--route-blue);
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 900;
}

.validation-grid article:nth-child(2) > span {
  border-color: var(--route-red);
  color: var(--route-red);
}

.validation-grid article:nth-child(3) > span {
  border-color: #806016;
  color: #806016;
}

.validation-grid h4 {
  margin: 24px 0 0;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.35;
}

.validation-grid p {
  margin: 13px 0 0;
  color: var(--route-muted);
  font-size: 15px;
  line-height: 1.65;
}

.evidence-rule {
  margin: 18px 0 0;
  border: 1px solid var(--route-ink);
  border-left: 8px solid var(--route-amber);
  background: #fff6d8;
  padding: clamp(22px, 3vw, 32px);
  font-family:
    "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: clamp(19px, 2vw, 26px);
  font-weight: 780;
  line-height: 1.55;
}

.tool-rule {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 28px;
  margin-top: 17px;
  border-top: 1px solid var(--route-line);
  padding: 22px 2px 0;
}

.tool-rule span {
  color: var(--route-blue);
  font-size: 12px;
  font-weight: 900;
}

.tool-rule p {
  margin: 0;
  color: var(--route-muted);
  font-size: 15px;
  line-height: 1.65;
}

.route-document {
  border-bottom: 1px solid var(--route-ink);
  background: var(--route-ink);
  padding: clamp(66px, 8vw, 104px) 0;
  color: #ffffff;
}

.route-document-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 0.42fr);
  gap: clamp(44px, 8vw, 105px);
  align-items: end;
}

.document-kicker {
  color: var(--route-amber);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.route-document h2 {
  max-width: 760px;
  margin: 18px 0 0;
  font-family:
    "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.25;
}

.route-document p {
  max-width: 760px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 16px;
  line-height: 1.7;
}

.document-action {
  display: grid;
  gap: 13px;
}

.route-download {
  width: 100%;
  border-color: var(--route-amber);
  background: var(--route-amber);
  color: var(--route-ink);
}

.document-action small {
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  text-align: center;
}

.route-fit {
  border-bottom: 1px solid var(--route-ink);
  background: var(--route-amber);
  padding: clamp(70px, 8vw, 108px) 0;
}

.route-fit-grid {
  display: grid;
  grid-template-columns: minmax(270px, 0.45fr) minmax(0, 1fr);
  gap: clamp(42px, 8vw, 108px);
  align-items: start;
}

.route-fit header > span {
  font-size: 12px;
  font-weight: 900;
}

.route-fit h2 {
  margin: 18px 0 0;
  font-family:
    "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: clamp(33px, 3.6vw, 48px);
  line-height: 1.24;
}

.fit-list {
  border-top: 1px solid var(--route-ink);
}

.fit-list p {
  display: grid;
  grid-template-columns: minmax(150px, 0.42fr) minmax(0, 1fr);
  gap: 22px;
  margin: 0;
  border-bottom: 1px solid rgba(23, 22, 20, 0.35);
  padding: 20px 0;
}

.fit-list strong {
  font-size: 16px;
}

.fit-list span {
  color: #5a4513;
  font-size: 15px;
}

.route-boundary {
  border-bottom: 1px solid var(--route-line);
  background: var(--route-paper-2);
  padding: 34px 0;
}

.route-boundary-grid {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: clamp(26px, 5vw, 72px);
}

.route-boundary span {
  color: var(--route-red);
  font-size: 12px;
  font-weight: 900;
}

.route-boundary p {
  max-width: 850px;
  margin: 0;
  color: var(--route-muted);
  font-size: 13px;
  line-height: 1.72;
}

.route-cta {
  background: var(--route-blue);
  padding: clamp(74px, 9vw, 116px) 0;
  color: #ffffff;
}

.route-cta-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 0.44fr);
  gap: clamp(46px, 8vw, 112px);
  align-items: end;
}

.route-cta-index {
  color: var(--route-amber);
  font-size: 12px;
  font-weight: 900;
}

.route-cta h2 {
  max-width: 730px;
  margin: 18px 0 0;
  font-family:
    "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-size: clamp(38px, 4.5vw, 60px);
  line-height: 1.2;
}

.route-cta p {
  max-width: 700px;
  margin: 21px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
  line-height: 1.7;
}

.bring-list {
  display: grid;
  gap: 14px;
}

.bring-list ol {
  margin: 0 0 8px;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.55);
  list-style: none;
}

.bring-list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  padding: 14px 0;
}

.bring-list li span {
  color: var(--route-amber);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
}

.bring-list li strong {
  font-size: 16px;
}

.route-cta .route-primary {
  width: 100%;
  border-color: var(--route-amber);
  background: var(--route-amber);
  color: var(--route-ink);
}

.route-back {
  display: inline-flex;
  width: max-content;
  border-bottom: 1px solid rgba(255, 255, 255, 0.75);
  padding-bottom: 2px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  font-weight: 850;
}

.route-footer {
  border-color: var(--route-ink);
  background: var(--route-ink);
  color: rgba(255, 255, 255, 0.6);
}

.route-footer a {
  color: #ffffff;
}

@media (max-width: 980px) {
  .route-hero-grid,
  .route-document-grid,
  .route-fit-grid,
  .route-cta-grid {
    grid-template-columns: 1fr;
  }

  .two-step-map {
    width: min(720px, 100%);
  }

  .route-document-grid,
  .route-cta-grid {
    align-items: start;
  }

  .document-action {
    width: min(430px, 100%);
  }

  .annual-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .annual-timeline li {
    min-height: 135px;
  }

  .product-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .operating-loop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--route-ink);
  }

  .operating-loop li,
  .operating-loop li:last-child {
    border: 0;
  }

  .operating-loop li::after {
    display: none;
  }
}

@media (max-width: 760px) {
  .route-hero-grid {
    grid-template-columns: 1fr;
  }

  .route-bridge-grid,
  .recommendation-heading,
  .direct-answer,
  .insertion-rule,
  .tool-rule,
  .route-boundary-grid {
    grid-template-columns: 1fr;
  }

  .recommendation-heading,
  .direct-answer {
    gap: 20px;
  }

  .workstream-grid,
  .decision-chain,
  .pilot-timeline {
    grid-template-columns: 1fr;
  }

  .workstream-card {
    min-height: 0;
  }

  .workstream-card strong {
    margin-top: 28px;
  }

  .pilot-timeline li {
    min-height: 0;
  }

  .pilot-timeline li::after {
    top: auto;
    right: auto;
    bottom: -8px;
    left: 34px;
    transform: rotate(135deg);
  }

  .master-sheet-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .master-sheet-fields article:nth-child(3n) {
    border-right: 1px solid var(--route-line);
  }

  .master-sheet-fields article:nth-child(even) {
    border-right: 0;
  }

  .master-sheet-fields article:nth-last-child(-n + 3) {
    border-bottom: 1px solid var(--route-line);
  }

  .master-sheet-fields article:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .operating-loop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fit-list p {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 600px) {
  .route-case-page .section-shell {
    width: min(1120px, calc(100% - 32px));
  }

  .route-case-nav a:not(:nth-child(3)) {
    display: none;
  }

  .route-case-nav {
    font-size: 12px;
  }

  .route-hero {
    padding: 48px 0 62px;
  }

  .route-hero::after {
    display: none;
  }

  .route-status-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-hero h1 {
    margin-top: 20px;
    font-size: clamp(36px, 10.2vw, 42px);
    letter-spacing: -0.025em;
    line-height: 1.2;
  }

  .route-hero-lead {
    margin-top: 22px;
    font-size: 17px;
    line-height: 1.68;
  }

  .route-hero-thesis {
    font-size: 15px;
  }

  .route-hero-actions,
  .route-hero-actions .button {
    width: 100%;
  }

  .two-step-map {
    box-shadow: 8px 10px 0 rgba(23, 22, 20, 0.1);
  }

  .two-step-map li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 13px;
    min-height: 0;
    padding: 23px 18px;
  }

  .two-step-map li > span {
    width: 38px;
    height: 38px;
  }

  .two-step-map h2 {
    font-size: 20px;
  }

  .route-fact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .route-fact-grid div {
    min-height: 100px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.21);
    padding: 17px 15px;
  }

  .route-fact-grid div:nth-child(even) {
    border-right: 0;
  }

  .route-fact-grid div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .route-fact-grid strong {
    font-size: 16px;
  }

  .route-bridge-grid {
    gap: 18px;
    padding-block: 40px;
  }

  .route-bridge-grid > span {
    width: max-content;
  }

  .route-bridge-grid p {
    font-size: 21px;
    line-height: 1.58;
  }

  .route-section {
    padding: 58px 0;
  }

  .recommendation-heading h2 {
    font-size: clamp(32px, 8.8vw, 38px);
    line-height: 1.22;
  }

  .recommendation-heading p {
    margin-top: 13px;
    font-size: 15px;
  }

  .direct-answer {
    margin-top: 34px;
    border-top-width: 6px;
    padding: 23px 20px;
  }

  .direct-answer p {
    font-size: 19px;
    line-height: 1.62;
  }

  .content-block {
    margin-top: 58px;
  }

  .block-heading {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 14px;
    margin-bottom: 25px;
  }

  .block-heading h3 {
    font-size: 27px;
  }

  .block-heading p {
    font-size: 15px;
  }

  .workstream-card,
  .decision-chain article,
  .pilot-timeline li {
    padding: 22px 20px;
  }

  .workstream-card h4 {
    margin-top: 22px;
    font-size: 23px;
  }

  .decision-chain article {
    min-height: 0;
  }

  .decision-chain p {
    margin-top: 11px;
  }

  .insertion-rule {
    gap: 10px;
    padding: 21px 19px;
  }

  .pilot-timeline h4 {
    margin-top: 22px;
    font-size: 22px;
  }

  .annual-timeline {
    grid-template-columns: 1fr;
  }

  .annual-timeline li {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 18px;
    min-height: 0;
    align-items: center;
    padding: 18px;
  }

  .annual-timeline p {
    margin: 0;
  }

  .product-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-roles span {
    min-height: 56px;
  }

  .master-sheet {
    box-shadow: 7px 9px 0 rgba(23, 22, 20, 0.08);
  }

  .master-sheet-title {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
    padding: 17px 18px;
  }

  .master-sheet-fields {
    grid-template-columns: 1fr;
  }

  .master-sheet-fields article,
  .master-sheet-fields article:nth-child(3n),
  .master-sheet-fields article:nth-child(even),
  .master-sheet-fields article:nth-last-child(-n + 3),
  .master-sheet-fields article:nth-last-child(-n + 2) {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--route-line);
    padding: 19px;
  }

  .master-sheet-fields article:last-child {
    border-bottom: 0;
  }

  .master-sheet-fields h4 {
    margin-top: 10px;
    font-size: 20px;
  }

  .master-sheet-fields p {
    margin-top: 5px;
  }

  .operating-loop {
    grid-template-columns: 1fr;
    margin-top: 30px;
  }

  .operating-loop li {
    min-height: 62px;
  }

  .validation-grid {
    grid-template-columns: 1fr;
  }

  .validation-grid article {
    min-height: 0;
    padding: 22px 20px;
  }

  .validation-grid h4 {
    margin-top: 18px;
    font-size: 22px;
  }

  .evidence-rule {
    font-size: 19px;
  }

  .tool-rule {
    gap: 7px;
  }

  .route-document,
  .route-fit,
  .route-cta {
    padding: 58px 0;
  }

  .route-document h2,
  .route-fit h2 {
    font-size: 34px;
  }

  .route-boundary-grid {
    gap: 8px;
  }

  .route-cta h2 {
    font-size: 38px;
  }

  .route-cta p {
    font-size: 16px;
  }
}

@media (max-width: 380px) {
  .route-case-page .site-header {
    padding-inline: 16px;
  }

  .route-case-page .brand-text small {
    display: none;
  }

  .route-hero h1 {
    font-size: 35px;
  }

  .route-fact-grid {
    grid-template-columns: 1fr;
  }

  .route-fact-grid div,
  .route-fact-grid div:nth-last-child(-n + 2) {
    min-height: 78px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.21);
  }

  .route-fact-grid div:last-child {
    border-bottom: 0;
  }

  .two-step-map li {
    grid-template-columns: 1fr;
  }

  .two-step-map li:first-child::after {
    left: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .two-step-map,
  .master-sheet {
    box-shadow: none;
  }
}