/* Concept pages extend the established editorial system. */
.intro-purpose {
  font: 11px/1.8 var(--mono);
  color: var(--accent);
  margin-top: 28px;
}
.why-contents {
  display: flex;
  gap: 16px 28px;
  flex-wrap: wrap;
  border-block: 1px solid var(--line);
  padding: 18px 0;
  margin-bottom: 40px;
  font-size: 12px;
}
.why-contents a {
  text-decoration: none;
  color: var(--muted);
}
.why-contents a:hover {
  color: var(--ink);
}
.concept-section {
  border-top: 1px solid var(--line);
  padding: 56px 0;
}
.concept-heading {
  max-width: 760px;
  margin-bottom: 36px;
}
.concept-heading h2 {
  font-size: clamp(34px, 4.6vw, 60px);
}
.concept-heading h2 em {
  font-family: var(--sans);
  color: var(--accent);
  font-weight: 400;
}
.concept-heading > p:not(.eyebrow) {
  max-width: 64ch;
}
.intelligence-lenses {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--line);
}
.intelligence-lenses article {
  padding: 0 24px 28px;
  min-width: 0;
}
.intelligence-lenses article:first-child {
  padding-left: 0;
}
.intelligence-lenses article:last-child {
  padding-right: 0;
}
.intelligence-lenses article + article {
  border-left: 1px solid var(--line);
}
.intelligence-lenses img {
  width: 100%;
  height: 210px;
  object-fit: contain;
  margin: 8px 0 20px;
}
.intelligence-lenses h3 {
  font-size: 26px;
  margin: 16px 0;
}
.intelligence-lenses p {
  font-size: 14px;
  line-height: 1.7;
}
.intelligence-lenses .lens-question {
  font-size: 13px;
  color: var(--accent);
  margin: 28px 0 0;
  max-width: 25ch;
}
.concept-note {
  color: var(--muted);
  font-size: 12px;
  max-width: 100ch;
  margin: 24px 0 0;
}
.concept-note a {
  color: var(--ink);
}
.concept-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  margin-top: 48px;
}
.concept-pair p {
  font-size: 15px;
}
.concept-pair a {
  font-size: 12px;
}
.instrument-diagram {
  padding: 32px;
  border: 1px solid var(--line);
  background: #151a13;
  margin: 40px 0;
}
.instrument-flow {
  display: grid;
  grid-template-columns: 1fr 32px 1fr 32px 1fr;
  gap: 16px;
  align-items: center;
}
.instrument-part {
  min-width: 0;
}
.instrument-part h3 {
  font-size: 24px;
  margin: 14px 0;
}
.instrument-part p {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}
.instrument-icon {
  width: 100px;
  height: 70px;
  display: block;
  margin-bottom: 28px;
  position: relative;
}
.controller-icon {
  border: 1px solid var(--accent);
  padding: 10px;
}
.controller-icon i {
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid var(--muted);
  background:
    linear-gradient(
      90deg,
      transparent 49%,
      #89c5af40 49%,
      #89c5af40 51%,
      transparent 51%
    ),
    linear-gradient(
      transparent 49%,
      #89c5af40 49%,
      #89c5af40 51%,
      transparent 51%
    );
}
.wall-icon {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  width: 70px;
}
.wall-icon i {
  border: 1px solid var(--accent);
  background: #89c5af0d;
}
.observer-icon {
  stroke: var(--accent);
  stroke-width: 1.2;
  fill: none;
}
.flow-arrow {
  color: var(--accent);
  font-size: 24px;
  text-align: center;
}
.instrument-return {
  display: flex;
  gap: 24px;
  align-items: center;
  border-top: 1px solid var(--line);
  margin-top: 32px;
  padding-top: 20px;
}
.instrument-return > span {
  font-size: 30px;
  color: var(--accent);
}
.instrument-return p {
  font: 11px/1.8 var(--mono);
  margin: 0;
  color: var(--ink);
}
.instrument-diagram figcaption {
  margin-top: 24px;
}
.component-roles {
  margin: 40px 0 0;
}
.component-roles > div {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.component-roles dt {
  font: 21px/1.4 var(--sans);
  letter-spacing: -0.025em;
  color: var(--ink);
}
.component-roles dt span {
  display: block;
  font: 10px/1.8 var(--mono);
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-top: 8px;
}
.component-roles dd p {
  font-size: 15px;
  margin: 0 0 12px;
}
.component-roles dd a {
  font-size: 12px;
}
.observation-example {
  border-left: 1px solid var(--accent);
  padding-left: 24px;
  margin: 36px 0;
}
.observation-example h3 {
  margin: 16px 0;
}
.observation-example ol {
  padding-left: 18px;
  color: #c3c5bc;
  font-size: 14px;
}
.observation-example li {
  padding-left: 8px;
  margin-bottom: 16px;
}
.observation-example .note {
  font-size: 11px;
}
.nature-examples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
}
.nature-examples article {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding: 32px 0;
}
.nature-examples img {
  width: 100%;
  height: auto;
}
.nature-examples h3 {
  font-size: 24px;
  margin: 16px 0;
}
.nature-examples p {
  font-size: 14px;
}
.nature-examples a {
  font-size: 12px;
}
.concept-lead-figure {
  margin: 0 0 56px;
  padding: 24px 0;
  border-block: 1px solid var(--line);
}
.concept-lead-figure img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
  display: block;
}
.concept-lead-figure figcaption {
  max-width: 80ch;
  margin: 20px 0 0;
}
.proposal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  border-top: 1px solid var(--line);
  padding: 48px 0;
  align-items: start;
}
.proposal figure {
  margin: 0;
  position: sticky;
  top: 110px;
}
.proposal img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #141912;
}
.proposal figcaption {
  margin-top: 16px;
}
.proposal h2 {
  font-size: 36px;
}
.proposal dl {
  margin: 24px 0;
}
.proposal dl > div {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.proposal dt {
  font-size: 10px;
  margin-bottom: 8px;
  letter-spacing: 0.1em;
}
.proposal dd {
  font-size: 14px;
  line-height: 1.7;
}
.proposal dd p {
  margin: 0;
}
.proposal .status {
  font: 10px/1.8 var(--mono);
  color: var(--accent);
  border-left: 1px solid var(--accent);
  padding-left: 16px;
  margin-top: 28px;
}
.proposal a {
  font-size: 12px;
}
.attack-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.attack-types > div {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}
.attack-types h3 {
  margin-top: 14px;
}
.attack-types p {
  font-size: 14px;
}
.attack-types .eyebrow {
  color: #cf987e;
}
.kulira-page .concept-lead-figure {
  background: #171712;
}
.development-loop {
  border: 1px solid var(--line);
  margin: 0 0 48px;
  padding: 28px;
}
.development-loop ol {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 24px;
}
.development-loop li {
  min-width: 0;
  position: relative;
}
.development-loop li + li:before {
  content: "→";
  color: var(--accent);
  position: absolute;
  left: -22px;
  top: 28px;
}
.development-loop img {
  width: 100%;
  height: 90px;
  object-fit: contain;
}
.development-loop h3 {
  font-size: 18px;
  margin: 20px 0 12px;
  letter-spacing: -0.02em;
}
.development-loop p {
  font-size: 12px;
  line-height: 1.7;
}
.development-loop .loop-back {
  font: 11px/1.8 var(--mono);
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin: 8px 0 0;
  color: var(--accent);
}
.development-loop figcaption {
  margin-top: 20px;
}
@media (max-width: 1000px) {
  .nature-examples article {
    grid-template-columns: 1fr;
  }
  .nature-examples img {
    max-width: 200px;
  }
  .instrument-flow {
    gap: 12px;
  }
  .instrument-diagram {
    padding: 24px;
  }
  .instrument-part h3 {
    font-size: 21px;
  }
  .development-loop ol {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 760px) {
  .why-contents {
    gap: 12px 20px;
    font-size: 11px;
    margin-bottom: 24px;
  }
  .concept-section {
    padding: 36px 0;
  }
  .intelligence-lenses {
    grid-template-columns: 1fr;
  }
  .intelligence-lenses article {
    padding: 20px 0 28px !important;
  }
  .intelligence-lenses article + article {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .intelligence-lenses img {
    max-width: 320px;
    margin: 0 auto 16px;
    display: block;
  }
  .intelligence-lenses p {
    font-size: 15px;
  }
  .intelligence-lenses .lens-question {
    max-width: none;
    margin-top: 20px;
  }
  .concept-pair,
  .nature-examples,
  .component-roles > div {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .concept-pair {
    gap: 16px;
    margin-top: 36px;
  }
  .instrument-flow {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .instrument-part {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 0 20px;
  }
  .instrument-icon {
    grid-row: 1/4;
    width: 70px;
    height: 50px;
    margin: 4px 0 0;
  }
  .wall-icon {
    width: 50px;
  }
  .instrument-part .eyebrow {
    font-size: 9px;
    margin: 0;
  }
  .instrument-part h3 {
    font-size: 22px;
    margin: 10px 0;
  }
  .instrument-part p {
    grid-column: 2;
    font-size: 13px;
  }
  .flow-arrow {
    transform: rotate(90deg);
    margin-left: 90px;
  }
  .instrument-return {
    gap: 16px;
  }
  .component-roles > div {
    gap: 16px;
  }
  .nature-examples article {
    grid-template-columns: 95px 1fr;
    gap: 16px;
    padding: 28px 0;
  }
  .nature-examples h3 {
    font-size: 23px;
  }
  .observation-example {
    padding-left: 18px;
  }
  .proposal {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 36px 0;
  }
  .proposal figure {
    position: static;
  }
  .proposal h2 {
    font-size: 32px;
  }
  .attack-types {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .concept-lead-figure {
    margin-bottom: 36px;
    padding: 12px 0;
  }
  .development-loop {
    padding: 20px;
  }
  .development-loop ol {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .development-loop li {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 0 20px;
  }
  .development-loop li + li {
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }
  .development-loop li + li:before {
    display: none;
  }
  .development-loop img {
    width: 70px;
    height: 60px;
    grid-row: 1/3;
  }
  .development-loop h3 {
    margin: 0 0 12px;
  }
  .development-loop p {
    grid-column: 2;
    margin: 0;
  }
  .development-loop .loop-back {
    margin-top: 24px;
  }
}
@media (max-width: 380px) {
  .nature-examples article {
    grid-template-columns: 1fr;
  }
  .nature-examples img {
    max-width: 160px;
  }
  .instrument-part {
    display: block;
  }
  .instrument-icon {
    margin-bottom: 20px;
  }
  .flow-arrow {
    margin: 0;
  }
  .development-loop li {
    grid-template-columns: 50px 1fr;
    gap: 0 16px;
  }
  .development-loop img {
    width: 50px;
  }
}
@media print {
  .proposal figure {
    position: static;
  }
  .concept-section,
  .proposal {
    break-inside: auto;
  }
  .concept-note,
  .concept-pair p,
  .component-roles dd p {
    color: #333;
  }
}