/* Editorial layout pass: concise copy, compact rhythm, no hollow containers. */

/* Global section rhythm */
.section {
  padding-block: clamp(70px, 8vw, 112px);
}

.section-heading {
  margin-bottom: clamp(34px, 4vw, 52px);
}

.split-heading {
  grid-template-columns: minmax(0, 1.6fr) minmax(260px, .68fr);
  gap: clamp(30px, 5vw, 76px);
}

.split-heading > p {
  max-width: 36rem;
  font-size: clamp(.92rem, 1vw, 1.04rem);
  line-height: 1.58;
}

/* Hero supporting text */
.release-line > span:last-child {
  display: none;
}

.release-line {
  grid-template-columns: auto auto;
  justify-content: start;
}

/* Overview: one balanced two-column composition */
#overview {
  display: grid;
  grid-template-columns: minmax(0, 1.72fr) minmax(330px, .88fr);
  grid-template-rows: auto auto;
  column-gap: clamp(56px, 8vw, 120px);
  align-items: start;
}

#overview > .section-heading {
  grid-column: 1;
  grid-row: 1;
  max-width: 790px;
  margin-bottom: 32px;
}

#overview > .section-heading h2 {
  font-size: clamp(2.55rem, 4.45vw, 4.7rem);
  line-height: 1.01;
}

#overview > .overview-grid {
  display: contents;
}

#overview .abstract {
  grid-column: 1;
  grid-row: 2;
  max-width: 720px;
}

#overview .abstract > p {
  display: none;
}

#overview .abstract > .lead,
#overview .abstract > p:nth-child(2) {
  display: block;
}

#overview .abstract .lead {
  margin-bottom: 18px;
  font-size: clamp(1.25rem, 1.75vw, 1.7rem);
  line-height: 1.38;
}

#overview .abstract > p:nth-child(2) {
  max-width: 650px;
  margin: 0;
  font-size: clamp(.94rem, 1vw, 1.03rem);
  line-height: 1.65;
}

#overview .utility-card {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  width: 100%;
  padding: clamp(28px, 3vw, 38px);
  border-color: rgba(119, 242, 178, .19);
  background:
    radial-gradient(circle at 95% 0, rgba(119, 242, 178, .085), transparent 13rem),
    var(--surface);
}

#overview .utility-label {
  margin-bottom: 13px;
  color: var(--action);
}

#overview .utility-card li {
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 21px 0;
}

#overview .utility-card strong {
  color: var(--ink-soft);
  font-size: .98rem;
}

#overview .utility-card li p {
  display: block;
  max-width: 250px;
  margin-top: 5px;
  font-size: .75rem;
  line-height: 1.45;
}

/* Method cards: one idea per card, no inherited empty footer */
.pillar-grid {
  gap: 16px;
}

.pillar-card {
  min-height: 270px;
  padding: clamp(24px, 2.4vw, 32px);
}

.pillar-card h3 {
  margin: clamp(42px, 5vw, 64px) 0 15px;
}

.pillar-card > p {
  max-width: 25rem;
  line-height: 1.58;
}

.pillar-detail {
  display: none;
}

/* Evidence: stable copy/visual split */
.evidence-card {
  grid-template-columns: minmax(300px, .62fr) minmax(0, 1.38fr);
  gap: clamp(32px, 4.5vw, 64px);
  padding: clamp(28px, 3.5vw, 46px);
}

.evidence-copy > p:not(.claim-number),
.evaluation-copy > p:not(.claim-number) {
  font-size: clamp(.94rem, 1vw, 1.03rem);
  line-height: 1.6;
}

.evidence-callout > span {
  display: block;
}

/* Action fidelity: 62/38 copy split with one-large/two-small metric matrix */
.action-evidence .evidence-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(205px, .58fr) minmax(230px, .72fr);
  grid-template-rows: auto auto auto;
  column-gap: 12px;
  row-gap: 0;
  align-items: stretch;
}

.action-evidence .evidence-copy > .claim-number,
.action-evidence .evidence-copy > h3,
.action-evidence .evidence-copy > p:not(.claim-number) {
  grid-column: 1;
}

.action-evidence .evidence-copy > h3 {
  max-width: 760px;
}

.action-evidence .evidence-copy > p:not(.claim-number) {
  max-width: 620px;
  margin-top: 21px;
  font-size: clamp(1rem, 1.15vw, 1.12rem);
  line-height: 1.55;
}

.action-evidence .benchmark-proof {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 11px;
  min-height: 228px;
  margin: 0;
  padding: clamp(22px, 2.4vw, 30px);
  border-color: rgba(119, 242, 178, .28);
  background:
    radial-gradient(circle at 16% 18%, rgba(119, 242, 178, .13), transparent 9rem),
    rgba(119, 242, 178, .035);
}

.action-evidence .benchmark-proof strong {
  color: var(--action);
  font-size: clamp(2.15rem, 3vw, 3.2rem);
  line-height: .95;
}

.action-evidence .benchmark-proof span {
  max-width: 12rem;
  color: var(--ink-soft);
  font-size: .62rem;
  line-height: 1.45;
}

.action-evidence .micro-stats {
  grid-column: 3;
  grid-row: 1 / span 3;
  align-self: stretch;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-height: 228px;
  margin: 0;
}

.action-evidence .micro-stats > div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 0;
  padding: clamp(18px, 2vw, 24px);
}

.action-evidence .micro-stats dt {
  font-size: .58rem;
}

.action-evidence .micro-stats dd {
  margin-top: 10px;
  font-size: clamp(1.45rem, 2vw, 2rem);
}

.action-evidence .micro-stats dd small {
  margin-top: 5px;
  font-size: .56rem;
}

/* Restore one useful sentence per video and reduce repeated heading bands */
.demo-section {
  padding-block: clamp(76px, 8vw, 112px);
}

.demo-band-heading {
  display: block;
  margin-bottom: 20px;
}

.demo-band-heading > p {
  display: none;
}

.demo-copy {
  min-height: 0;
  padding: 21px 23px 24px;
}

.demo-copy > span {
  margin-bottom: 12px;
}

.demo-copy h3 {
  font-size: 1.42rem;
}

.demo-copy > p {
  display: block;
  margin-top: 8px;
  font-size: .79rem;
  line-height: 1.5;
}

.projection-grid {
  margin-bottom: clamp(42px, 5vw, 64px);
}

.rollout-band-heading {
  padding-top: clamp(26px, 3vw, 40px);
}

/* Evaluation and resources regain a single supporting sentence */
.evaluation-grid {
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, .55fr);
  gap: clamp(34px, 5vw, 68px);
}

.evaluation-copy > p:not(.claim-number),
.resource-copy > p:not(.section-index) {
  display: block;
}

.resource-panel {
  padding: clamp(32px, 5vw, 62px);
}

.resource-copy {
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  gap: 38px;
  align-items: center;
}

.resource-links {
  margin-top: clamp(34px, 4vw, 52px);
}

/* Closed-loop headline metrics: one compact rail instead of a sparse 2 × 2 block. */
.closed-loop-metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 28px;
  border-color: rgba(255, 179, 107, .18);
  background: rgba(255, 179, 107, .16);
}

.closed-loop-metrics > div {
  position: relative;
  min-height: 148px;
  padding: 22px 20px;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 0%, rgba(255, 179, 107, .13), transparent 58%),
    linear-gradient(145deg, rgba(255, 179, 107, .075), rgba(255, 255, 255, .018));
}

.closed-loop-metrics > div:nth-child(2) {
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 179, 107, .11), transparent 58%),
    linear-gradient(145deg, rgba(255, 179, 107, .055), rgba(255, 255, 255, .02));
}

.closed-loop-metrics > div:nth-child(3) {
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 179, 107, .15), transparent 60%),
    linear-gradient(145deg, rgba(255, 179, 107, .065), rgba(255, 255, 255, .018));
}

.closed-loop-metrics > div:nth-child(4) {
  background:
    radial-gradient(circle at 12% 12%, rgba(255, 179, 107, .12), transparent 60%),
    linear-gradient(145deg, rgba(255, 179, 107, .045), rgba(255, 255, 255, .018));
}

.closed-loop-metrics > div::before {
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  content: '';
  opacity: .7;
  background: linear-gradient(90deg, transparent, var(--alignment), transparent);
}

.closed-loop-metrics strong {
  font-size: clamp(2rem, 2.8vw, 3rem);
}

.closed-loop-metrics span {
  max-width: 170px;
  color: #c1c5cb;
  font-size: .76rem;
  line-height: 1.4;
}

/* Chart subtitles: only compact measurement context. */
.arwm-data-subtitle:not(:empty) {
  display: block;
}

/*
 * Desktop density matches Chrome at 85% while preserving every component's
 * internal grid. Chrome's root layout already compensates the zoomed viewport,
 * so the body keeps its automatic width to remain perfectly centered.
 */
:root {
  --arwm-desktop-density: .85;
}

@media (min-width: 1100px) {
  @supports (zoom: 1) {
    body {
      width: auto;
      zoom: var(--arwm-desktop-density);
    }
  }
}

@media (max-width: 1099px) {
  body {
    width: auto;
    zoom: 1;
  }
}

/* Data-card headings use the empty right half as a concise measurement rail. */
.arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-header > div:first-child {
  display: grid;
  grid-template-columns: minmax(210px, 1fr) minmax(250px, .85fr);
  grid-template-rows: auto auto;
  column-gap: clamp(34px, 6vw, 92px);
  align-items: end;
  width: 100%;
}

.arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 12px;
}

.arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-title {
  grid-column: 1;
  grid-row: 2;
}

.arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-subtitle {
  grid-column: 2;
  grid-row: 2;
  justify-self: end;
  max-width: 420px;
  margin: 0;
  padding-left: 24px;
  border-left: 1px solid rgba(148, 150, 255, .18);
  text-align: right;
  font-family: IBM Plex Mono, SFMono-Regular, Consolas, monospace;
  font-size: .7rem;
  line-height: 1.45;
}

/* Alignment: give the claim more width and keep every result badge inside. */
.alignment-evidence > .evidence-copy {
  grid-template-columns: minmax(410px, 1.02fr) minmax(0, .98fr);
  grid-template-rows: minmax(30px, 1fr) auto auto auto minmax(30px, 1fr);
  column-gap: clamp(26px, 3.5vw, 52px);
  align-items: start;
}

.alignment-evidence .claim-number {
  grid-column: 1;
  grid-row: 2;
}

.alignment-evidence .evidence-copy h3 {
  grid-column: 1;
  grid-row: 3;
  max-width: 700px;
  font-size: clamp(2rem, 2.75vw, 3.15rem);
}

.alignment-evidence .evidence-copy > p:not(.claim-number) {
  grid-column: 1;
  grid-row: 4;
}

.alignment-evidence .delta-list {
  grid-column: 2;
  grid-row: 1 / -1;
  gap: 8px;
}

.alignment-evidence .delta-list > div {
  padding: 19px;
}

.alignment-evidence .delta-list dd {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.alignment-evidence .delta-list .delta-badge {
  max-width: 100%;
  padding: 7px 9px;
  white-space: normal;
  text-align: center;
  font-size: clamp(.62rem, .72vw, .74rem);
}

.delta-summary-label {
  min-width: 0;
  font-size: .6rem;
  line-height: 1.35;
}

@media (max-width: 1050px) {
  #overview {
    grid-template-columns: minmax(0, 1.35fr) minmax(300px, .85fr);
    column-gap: 46px;
  }

  .action-evidence .evidence-copy {
    grid-template-columns: minmax(0, 1.25fr) minmax(180px, .62fr) minmax(205px, .72fr);
  }
}

@media (max-width: 900px) {
  #overview {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    row-gap: 30px;
  }

  #overview > .section-heading,
  #overview .abstract,
  #overview .utility-card {
    grid-column: 1;
    grid-row: auto;
  }

  #overview .utility-card {
    max-width: none;
  }

  .action-evidence .evidence-copy {
    grid-template-columns: minmax(0, 1fr) minmax(220px, .8fr);
    column-gap: 14px;
  }

  .action-evidence .evidence-copy > .claim-number,
  .action-evidence .evidence-copy > h3,
  .action-evidence .evidence-copy > p:not(.claim-number) {
    grid-column: 1 / -1;
  }

  .action-evidence .benchmark-proof {
    grid-column: 1;
    grid-row: 4;
    margin-top: 24px;
  }

  .action-evidence .micro-stats {
    grid-column: 2;
    grid-row: 4;
    margin-top: 24px;
  }

  .evidence-card,
  .evaluation-grid,
  .resource-copy {
    grid-template-columns: 1fr;
  }

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

  .alignment-evidence > .evidence-copy {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .alignment-evidence .claim-number,
  .alignment-evidence .evidence-copy h3,
  .alignment-evidence .evidence-copy > p:not(.claim-number),
  .alignment-evidence .delta-list {
    grid-column: 1;
    grid-row: auto;
  }

  .arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-header > div:first-child {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    row-gap: 6px;
  }

  .arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-eyebrow,
  .arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-title,
  .arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-subtitle {
    grid-column: 1;
    grid-row: auto;
  }

  .arwm-data-card:not([data-kind="closed-loop"]) .arwm-data-subtitle {
    justify-self: start;
    padding-left: 0;
    border-left: 0;
    text-align: left;
  }
}

@media (max-width: 620px) {
  .section {
    padding-block: 72px;
  }

  .closed-loop-metrics {
    grid-template-columns: 1fr;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  #overview > .section-heading h2 {
    font-size: clamp(2.35rem, 12vw, 3.4rem);
  }

  #overview .utility-card {
    padding: 22px;
  }

  .pillar-card {
    min-height: 245px;
  }

  .action-evidence .evidence-copy {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .action-evidence .evidence-copy > .claim-number,
  .action-evidence .evidence-copy > h3,
  .action-evidence .evidence-copy > p:not(.claim-number),
  .action-evidence .benchmark-proof {
    grid-column: 1 / -1;
  }

  .action-evidence .benchmark-proof {
    grid-row: 4;
    min-height: 155px;
    margin-top: 22px;
  }

  .action-evidence .micro-stats {
    grid-column: 1 / -1;
    grid-row: 5;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr;
    min-height: 145px;
    margin-top: 0;
  }

  .action-evidence .micro-stats > div {
    min-height: 145px;
  }
}