:root {

  --node-size: 7px;
  --tick-size: 10px;
}

.seam {
  position: relative;
  height: var(--space-8);
  margin-top: calc(var(--space-8) * -1);
  pointer-events: none;
  z-index: var(--z-above);
}

.seam--to-secondary {
  background: linear-gradient(to bottom,
    var(--seam-secondary-0) 0%,
    var(--seam-secondary-1) 55%,
    var(--color-surface-secondary) 100%);
}

.seam--to-primary {
  background: linear-gradient(to bottom,
    var(--seam-primary-0) 0%,
    var(--seam-primary-1) 55%,
    var(--color-surface-primary) 100%);
}

.seam__line {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(to right,
    transparent 0%,
    var(--line-hair) 12%,
    var(--line-hair) 88%,
    transparent 100%);
}

.seam__node {
  position: absolute;
  bottom: calc(var(--node-size) / -2 + 0.5px);
  left: var(--container-padding);
  width: var(--node-size);
  height: var(--node-size);
  background: var(--color-surface-primary);
  border: 1px solid var(--color-border-hover);
}

.data-set {
  border-top: 1px solid var(--line-hair);
}

.datum {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line-hair);
}

.datum__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding-top: 2px;
  white-space: nowrap;
}

.datum__value {
  font-family: var(--font-body);
  font-size: clamp(0.875rem, 0.853rem + 0.094vw, 0.9375rem);
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.datum__value strong {
  font-weight: 400;
  color: var(--color-text-primary);
}

.card .datum {
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-2) 0;
}

.card .data-set { border-top-color: var(--color-border-subtle); }

.tech {
  font-family: var(--font-mono);
  font-size: 0.9em;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.panel {
  position: relative;
  padding: var(--space-6);
  background: var(--tint-faint);
  border: 1px solid var(--line-hair);
}

.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: var(--tick-size);
  height: var(--tick-size);
  border-color: var(--color-border-hover);
  border-style: solid;
  pointer-events: none;
}

.panel::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.panel::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.sysdiagram {
  width: 100%;
  overflow: visible;
}

.sysdiagram text {
  font-family: var(--font-mono);
  fill: var(--color-text-tertiary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.sysdiagram .sd-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  fill: var(--color-text-primary);
}

.sysdiagram .sd-path {
  fill: none;
  stroke: var(--color-border-visible);
  stroke-width: 1;
}

.sysdiagram .sd-path--live {
  stroke: var(--line-live);
}

.sysdiagram .sd-node {
  fill: var(--color-surface-primary);
  stroke: var(--color-border-hover);
  stroke-width: 1;
}

.sysdiagram .sd-node--live {
  fill: var(--color-accent);
  stroke: var(--color-accent);
}

.sysdiagram .sd-flow {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  stroke-linecap: round;
}

.js .sysdiagram .sd-path,
.js .sysdiagram .sd-flow {
  stroke-dasharray: var(--dash, 1200);
  stroke-dashoffset: var(--dash, 1200);
  transition: stroke-dashoffset 1400ms var(--ease-decelerate);
}

.js .sysdiagram.is-revealed .sd-path,
.js .sysdiagram.is-revealed .sd-flow {
  stroke-dashoffset: 0;
}

.js .sysdiagram .sd-node,
.js .sysdiagram text {
  opacity: 0;
  transition: opacity 600ms ease;
}

.js .sysdiagram.is-revealed .sd-node,
.js .sysdiagram.is-revealed text {
  opacity: 1;
  transition-delay: 700ms;
}

.kinsys__statement { margin-top: var(--space-6); }
.kinsys__statement > span { display: block; }

.kinsys__stage {
  position: relative;
  margin-top: var(--space-6);
}

.kinsys__field {
  position: relative;
  z-index: 1;
  aspect-ratio: 64 / 33;
  container-type: inline-size;
}

.kinsys__words {
  margin: 0;
  padding: 0;
  list-style: none;
}

.kinsys__word,
.kinsys__project {
  position: absolute;
  margin: 0;
  font-family: var(--font-display);
  line-height: 1;
  white-space: nowrap;
  transition: opacity 1600ms var(--ease-standard),
              transform 1600ms var(--ease-standard);
}

.kinsys__word--near { font-size: 54px; font-size: 4.2cqw; font-weight: 400; letter-spacing: -0.025em; color: var(--color-text-primary); }
.kinsys__word--mid  { font-size: 41px; font-size: 3.2cqw; font-weight: 400; letter-spacing: -0.02em;  color: var(--color-text-secondary); }

.kinsys__word--far  { font-size: 32px; font-size: max(24px, 2.5cqw); font-weight: 300; letter-spacing: -0.01em;  color: var(--color-text-tertiary); }

.kinsys__word[data-k="grid"]         { left: 66%; top: 2%;  }
.kinsys__word[data-k="land"]         { left: 38%; top: 14%; }
.kinsys__word[data-k="operations"]   { left: 80%; top: 24%; }
.kinsys__word[data-k="capital"]      { left: 52%; top: 38%; }
.kinsys__word[data-k="equipment"]    { left: 16%; top: 44%; }
.kinsys__word[data-k="construction"] { left: 60%; top: 58%; }

.kinsys__project {
  left: 0;
  top: 77%;
  padding-bottom: 0.18em;
  font-size: 84px;
  font-size: 6.6cqw;
  font-weight: 500;
  letter-spacing: -0.035em;
  color: var(--color-text-primary);
}

.kinsys__project::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(to right,
    var(--color-accent-strong) 0 0.9em,
    var(--color-border-visible) 0.9em);
}

.kinsys__meta {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  column-gap: var(--space-6);
  align-items: baseline;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--line-hair);
}

.kinsys__list {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.kinsys__line {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-text-secondary);
}

.kinsys__toggle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  cursor: pointer;
  transition: color var(--duration-fast) ease;
}

.kinsys__toggle:hover { color: var(--color-text-secondary); }
.kinsys__toggle:focus-visible { outline: 2px solid var(--color-accent-text); outline-offset: 4px; }
.kinsys__toggle[hidden] { display: none; }

.kinsys.is-sequenced [data-k]:not(.is-in) {
  opacity: 0;
  transform: translate(var(--from-x, 0px), var(--from-y, 0px)) scale(0.985);
}

.kinsys [data-from="left"]  { --from-x: -16px; }
.kinsys [data-from="right"] { --from-x: 16px; }
.kinsys [data-from="above"] { --from-y: -16px; }
.kinsys [data-from="below"] { --from-y: 16px; }

@media (prefers-reduced-motion: reduce) {
  .kinsys__word,
  .kinsys__project,
}

.chain {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: var(--space-8);
  align-items: start;
}

.chain__rail {
  position: sticky;
  top: calc(var(--space-8) + var(--space-3));
  padding-left: var(--space-5);
}

.chain__track {
  position: absolute;
  left: 3px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line-hair);
}

.chain__progress {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  background: var(--color-accent);
  height: 0;
  transition: height 500ms var(--ease-decelerate);
}

.chain__step {
  position: relative;
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--space-3) 0;
}

.chain__step::before {
  content: "";
  position: absolute;
  left: calc(var(--space-5) * -1);
  top: 50%;
  transform: translateY(-50%);
  width: var(--node-size);
  height: var(--node-size);
  background: var(--color-surface-primary);
  border: 1px solid var(--color-border-visible);
  transition: background 300ms ease, border-color 300ms ease;
}

.chain__step[aria-current="step"]::before,
.chain__step.is-done::before {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.chain__step-ordinal {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-text-tertiary);
  transition: color 300ms ease;
}

.chain__step-name {
  display: block;
  margin-top: 2px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  color: var(--color-text-tertiary);
  transition: color 300ms ease;
}

.chain__step:hover .chain__step-name,
.chain__step.is-done .chain__step-name { color: var(--color-text-secondary); }

.chain__step[aria-current="step"] .chain__step-ordinal { color: var(--color-accent-text); }
.chain__step[aria-current="step"] .chain__step-name { color: var(--color-text-primary); }

.chain__panels > * + * { margin-top: var(--space-8); }

.chain__panel {
  scroll-margin-top: var(--space-8);
}

.chain__panel-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border-visible);
}

.chain__panel-ordinal {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--color-accent-text);
}

.chain__panel-body { margin-top: var(--space-5); }

.geo {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line-hair);
  background:
    linear-gradient(var(--line-hair) 1px, transparent 1px) 0 0 / 100% 12.5%,
    linear-gradient(90deg, var(--line-hair) 1px, transparent 1px) 0 0 / 8.333% 100%;
  background-color: var(--tint-faint);
}

.geo__marker {
  position: absolute;
  transform: translate(-50%, -50%);
  text-align: left;
}

.geo__dot {
  position: relative;
  display: block;
  width: 11px;
  height: 11px;
  border: 1px solid var(--color-accent);
  background: var(--color-surface-primary);
}

.geo__dot::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity 300ms ease;
}

.geo__marker:hover .geo__dot::after,
.geo__marker:focus-within .geo__dot::after { opacity: 1; }

.geo__label {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.geo__meta {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.geo__link { display: block; }
.geo__link:hover .geo__label { color: var(--color-text-primary); }

.geo__legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.pull {
  position: relative;
  padding-left: var(--space-6);
  border-left: 1px solid var(--color-accent);
  max-width: 780px;
}

.pull p {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.375rem, 1.15rem + 0.94vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--color-text-primary);
  text-wrap: balance;
}

.pull cite {
  display: block;
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 12px;
  font-style: normal;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.figure-offset { position: relative; }

.figure-offset figcaption {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.page-hero--split { padding-bottom: var(--space-9); }

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: var(--space-8);
  align-items: center;
}

.hero-split__lead .page-hero__title { margin-top: var(--space-4); }

.hero-split__visual {
  border-left: 1px solid var(--line-hair);
  padding-left: var(--space-7);
}

:where([id]) { scroll-margin-top: calc(var(--space-8) + var(--space-5)); }