/* Article-only operating handoff for NOR-131. */
.uf4-finding { border-left-color: #5e646e; }

.uf4-cuts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 34px 0 44px;
  border-block: 1px solid #9ea4b0;
}
.uf4-cuts > div { padding: 21px 14px; }
.uf4-cuts > div + div { border-left: 1px solid #9ea4b0; }
.uf4-cuts strong {
  display: block;
  color: #0d0f12;
  font-size: clamp(24px, 4.5vw, 36px);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.045em;
  line-height: 1;
}
.uf4-cuts span {
  display: block;
  margin-top: 10px;
  color: #5e646e;
  font-size: 11px;
  line-height: 1.5;
}

.uf4-explainer {
  margin: 36px 0 46px;
  padding: 29px 0 14px;
  border-block: 1px solid #9ea4b0;
  outline: none;
}
.uf4-explainer:focus-visible { outline: 3px solid #5e646e; outline-offset: 5px; }
.uf4-explainer-head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(230px, .85fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 23px;
}
.uf4-eyebrow {
  display: block;
  margin-bottom: 9px;
  color: #5e646e;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .11em;
}
.blog-article .uf4-explainer h3 {
  margin: 0;
  color: #0d0f12;
  font-size: clamp(23px, 4vw, 33px);
  letter-spacing: -.025em;
  line-height: 1.18;
}
.uf4-explainer-head p,
.uf4-figure figcaption {
  margin: 0;
  color: #5e646e;
  font-size: 13px;
  line-height: 1.65;
}
.uf4-figure { margin: 0; }

.uf4-stage {
  position: relative;
  min-height: 292px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid #9ea4b0;
  background-color: #eaecef;
  background-image: radial-gradient(#e2e5ea .75px, transparent .75px);
  background-size: 18px 18px;
}
.uf4-road { position: relative; padding-top: 29px; }
.uf4-road-label {
  position: absolute;
  top: 0;
  left: 0;
  color: #5e646e;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .12em;
}
.uf4-road-line {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  height: 36px;
  border: 1px solid #6e747e;
  background: #e2e5ea;
}
.uf4-road-line i { position: relative; border-right: 1px dashed #9ea4b0; }
.uf4-road-line i:last-child { border-right: 0; }
.uf4-road-line i::after {
  position: absolute;
  top: 16px;
  right: 8px;
  left: 8px;
  height: 2px;
  content: '';
  background: #9ea4b0;
}
.uf4-segment {
  position: absolute;
  top: 29px;
  left: 0;
  display: flex;
  width: 20%;
  height: 36px;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  color: #16191d;
  background: #9ea4b0;
  border: 1px solid #5e646e;
  transform: scaleX(.76);
  transform-origin: left center;
  transition: width 650ms cubic-bezier(.22,.8,.25,1), transform 450ms ease, background-color 320ms ease;
}
.uf4-segment span { font-size: 11px; font-weight: 700; letter-spacing: .08em; }
.uf4-segment small { font-size: 10px; }
.uf4-explainer[data-step="2"] .uf4-segment,
.uf4-explainer[data-step="3"] .uf4-segment,
.uf4-explainer[data-step="4"] .uf4-segment,
.uf4-explainer[data-step="5"] .uf4-segment { width: 64%; transform: scaleX(1); background: #e2e5ea; }

.uf4-lanes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}
.uf4-lanes > div {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 13px;
  background: rgba(255, 255, 255, .9);
  border: 1px solid #9ea4b0;
}
.uf4-lanes span { color: #5e646e; font-size: 9px; font-weight: 700; letter-spacing: .11em; }
.uf4-lanes b { color: #16191d; font-size: 11px; font-weight: 600; text-align: right; }
.uf4-explainer[data-step="2"] .uf4-lanes > div:first-child,
.uf4-explainer[data-step="3"] .uf4-lanes > div:first-child,
.uf4-explainer[data-step="4"] .uf4-lanes > div:first-child,
.uf4-explainer[data-step="5"] .uf4-lanes > div:first-child { border-color: #107c55; background: #eaecef; }
.uf4-explainer[data-step="3"] .uf4-lanes > div:last-child { border-color: #b44343; background: #f4e6e6; }
.uf4-explainer[data-step="4"] .uf4-lanes > div:last-child,
.uf4-explainer[data-step="5"] .uf4-lanes > div:last-child { border-color: #5e646e; background: #e2e5ea; }

.uf4-documents {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
  margin-top: 17px;
}
.uf4-documents span {
  position: relative;
  min-height: 41px;
  padding: 9px 7px 8px 26px;
  color: #5e646e;
  font-size: 9px;
  line-height: 1.35;
  background: rgba(255, 255, 255, .9);
  border: 1px solid #9ea4b0;
}
.uf4-documents span::before { position: absolute; left: 8px; content: '—'; font-weight: 700; }
.uf4-documents span.is-done { color: #0d0f12; background: #e2e5ea; border-color: #6e747e; }
.uf4-documents span.is-done::before { content: '✓'; }
.uf4-documents span.is-blocked { color: #b44343; border-color: #b44343; background: #f4e6e6; }
.uf4-documents span.is-blocked::before { content: '!'; }

.uf4-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.uf4-track li {
  min-height: 84px;
  padding: 10px;
  border-top: 2px solid #9ea4b0;
  background: #f7f8fa;
  transition: border-color 220ms ease, background-color 220ms ease, transform 220ms ease;
}
.uf4-track li.is-past { border-color: #107c55; }
.uf4-track li.is-current { border-color: #5e646e; background: #e2e5ea; transform: translateY(-4px); }
.uf4-track span, .uf4-track strong, .uf4-track small { display: block; }
.uf4-track span { margin-bottom: 8px; color: #5e646e; font-size: 9px; letter-spacing: .1em; }
.uf4-track strong { font-size: 12px; line-height: 1.35; }
.uf4-track small { margin-top: 5px; color: #5e646e; font-size: 10px; line-height: 1.4; }

.uf4-live {
  display: grid;
  grid-template-columns: 105px minmax(170px, .7fr) minmax(0, 1.3fr);
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid #e2e5ea;
}
.uf4-state-label { color: #5e646e; font-size: 9px; font-weight: 700; letter-spacing: .1em; }
.uf4-live strong { font-size: 13px; line-height: 1.45; }
.uf4-live > span:last-child { color: #16191d; font-size: 12px; line-height: 1.55; }

.uf4-controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 14px 0 10px; }
.uf4-controls button {
  min-height: 40px;
  padding: 8px 11px;
  color: #0d0f12;
  font: inherit;
  font-size: 12px;
  background: transparent;
  border: 1px solid #9ea4b0;
  border-radius: 5px;
  cursor: pointer;
}
.uf4-controls button:hover { background: #eaecef; }
.uf4-controls button:disabled { cursor: not-allowed; opacity: .55; }
.uf4-controls button:focus-visible { outline: 3px solid #5e646e; outline-offset: 3px; }
.uf4-counter { margin-left: auto; color: #5e646e; font-size: 11px; font-variant-numeric: tabular-nums; }
.uf4-figure figcaption { padding: 2px 0 18px; }

.uf4-state-copy {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0 0 22px;
  list-style: none;
}
.uf4-state-copy li { padding-top: 11px; border-top: 1px solid #9ea4b0; }
.uf4-state-copy li.is-current { padding-top: 9px; border-top: 3px solid #5e646e; }
.uf4-state-copy strong, .uf4-state-copy span { display: block; }
.uf4-state-copy strong { font-size: 11px; line-height: 1.45; }
.uf4-state-copy span { margin-top: 7px; color: #5e646e; font-size: 10px; line-height: 1.55; }

#simulation,
#source-1, #source-2, #source-3, #source-4, #source-5,
#source-6, #source-7, #source-8, #source-9, #source-10 { scroll-margin-top: 100px; }

.uf4-explainer[data-motion="running"] .uf4-segment { animation: uf4-service 1.8s ease-in-out infinite; }

@keyframes uf4-service {
  0%, 100% { box-shadow: 0 0 0 rgba(13, 15, 18, 0); }
  50% { box-shadow: 0 0 0 5px rgba(13, 15, 18, .14); }
}

@media (max-width: 800px) {
  .uf4-cuts { grid-template-columns: 1fr 1fr; }
  .uf4-cuts > div:nth-child(3) { border-top: 1px solid #9ea4b0; border-left: 0; }
  .uf4-cuts > div:nth-child(4) { border-top: 1px solid #9ea4b0; }
  .uf4-explainer-head, .uf4-live { grid-template-columns: 1fr; gap: 10px; }
  .uf4-stage { min-height: 365px; padding: 14px; }
  .uf4-lanes { grid-template-columns: 1fr; }
  .uf4-documents { grid-template-columns: 1fr 1fr; }
  .uf4-track, .uf4-state-copy { grid-template-columns: 1fr; }
  .uf4-track li { min-height: 0; }
  .uf4-counter { width: 100%; margin: 4px 0 0; }
}

@media (max-width: 520px) {
  .uf4-cuts { grid-template-columns: 1fr; }
  .uf4-cuts > div { display: flex; align-items: baseline; gap: 16px; padding: 17px 4px; border-top: 1px solid #9ea4b0; border-left: 0 !important; }
  .uf4-cuts > div:first-child { border-top: 0; }
  .uf4-cuts strong { min-width: 100px; }
  .uf4-cuts span { margin-top: 0; }
  .uf4-controls button { min-height: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  .uf4-segment, .uf4-track li { transition: none; animation: none !important; }
}

@media print {
  .uf4-controls { display: none; }
  .uf4-state-copy li { color: #0d0f12; }
}