/* Homepage product-story refresh: proof-first hero, current slop patterns,
   and the two steering surfaces. Loaded after home-rebuild.css. */

/* --------------------------------------------------------------------------
   Annotated before / after hero proof
   -------------------------------------------------------------------------- */

.home-kinpaku .hero-rebuild-container {
  grid-template-columns: minmax(0, 0.95fr) minmax(500px, 1.05fr);
  gap: clamp(42px, 5vw, 76px);
}

.home-kinpaku .hero-rebuild-left {
  max-width: 660px;
}

.home-kinpaku .hero-rebuild-title {
  font-size: clamp(3.4rem, 5.6vw, 5rem);
  text-wrap: balance;
}

.hero-proof {
  --proof-position: 54%;
  --proof-lacquer: oklch(7% 0.006 95);
  --proof-deep: oklch(4% 0.004 95);
  --proof-raised: oklch(11% 0.006 95);
  --proof-graphite: oklch(19% 0.008 95);
  --proof-text: oklch(91% 0 0);
  --proof-body: oklch(88% 0 0);
  --proof-muted: oklch(72% 0 0);
  --proof-rule: oklch(78% 0 0 / 0.16);
  width: 100%;
  color: var(--proof-text);
  background: var(--proof-lacquer);
  box-shadow: 0 24px 70px oklch(2% 0.004 95 / 0.42);
}

.hero-proof-topline {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 14px;
  border-bottom: 1px solid var(--proof-rule);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-eyebrow-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-proof-result {
  color: var(--ks-patina-pale);
}

.hero-proof-result::before {
  content: "✓";
  margin-right: 7px;
  color: var(--ks-patina);
}

.hero-proof-instruction {
  color: var(--proof-muted);
}

.hero-proof-stage {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--proof-deep);
}

.hero-proof-panel,
.hero-proof-layer {
  position: absolute;
  inset: 0;
}

.hero-proof-panel[hidden] {
  display: none;
}

.hero-proof-layer {
  overflow: hidden;
  background: var(--proof-deep);
}

.hero-proof-layer--after {
  z-index: 2;
  clip-path: inset(0 0 0 var(--proof-position));
}

.hero-proof-canvas {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(30px, 4vw, 52px);
}

.hero-proof-canvas > article {
  width: min(400px, calc(100% - 54px));
  height: clamp(184px, 30vw, 236px);
  overflow: hidden;
}

.hero-proof-state {
  position: absolute;
  z-index: 6;
  top: 12px;
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 9px;
  color: var(--proof-text);
  background: oklch(4% 0.004 95 / 0.94);
  border: 1px solid var(--proof-rule);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-eyebrow-size);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-proof-state--before {
  left: 12px;
  color: oklch(94% 0.035 35);
  border-color: var(--ks-vermilion);
}

.hero-proof-state--after {
  right: 12px;
  color: var(--ks-patina-pale);
  border-color: var(--ks-patina-deep);
}

.hero-proof-callouts {
  position: absolute;
  z-index: 5;
  inset: 0;
  pointer-events: none;
}

.hero-proof-callout {
  position: absolute;
  left: 16px;
  top: var(--callout-y);
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 0 9px;
  white-space: nowrap;
  color: oklch(100% 0 0);
  background: oklch(4% 0.004 95 / 0.96);
  border: 1px solid var(--ks-vermilion);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-eyebrow-size);
  font-weight: 600;
  line-height: 1;
  box-shadow: 0 5px 16px oklch(0% 0 0 / 0.38);
  transform: translateY(-50%);
}

.hero-proof-callout::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -25px;
  width: 25px;
  height: 1px;
  background: var(--ks-vermilion);
}

.hero-proof-seam {
  position: absolute;
  z-index: 7;
  top: -7%;
  left: var(--proof-position);
  width: 118px;
  height: 114%;
  background: url("/assets/neo-kinpaku/before-after-seam.png") center / auto 100% no-repeat;
  filter: drop-shadow(0 0 14px oklch(77% 0.14 82 / 0.42)) saturate(1.2);
  transform: translateX(-50%);
  pointer-events: none;
}

.hero-proof-panel:focus-within .hero-proof-seam {
  filter: drop-shadow(0 0 18px oklch(77% 0.14 82 / 0.58)) saturate(1.35);
}

.hero-proof-range {
  position: absolute;
  z-index: 8;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  cursor: ew-resize;
  opacity: 0;
  touch-action: pan-y;
}

/* Focused proof fragments. The left side intentionally demonstrates current
   AI defaults; the right side stays inside the Impeccable design system. */
.proof-polish {
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--proof-rule);
}

.proof-polish-head {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid currentColor;
  font-size: 0.68rem;
}

.proof-polish--before {
  color: oklch(31% 0.026 60);
  background: oklch(92% 0.028 73);
  border-color: oklch(70% 0.025 65 / 0.42);
  border-radius: 14px;
}

.proof-polish--before .proof-polish-head {
  border-bottom-color: oklch(63% 0.025 65 / 0.24);
}

.proof-polish-pulse,
.proof-polish-track {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.proof-polish-pulse i {
  width: 8px;
  height: 8px;
  display: block;
  background: oklch(61% 0.17 150);
  border-radius: 50%;
  box-shadow: 0 0 0 0 oklch(61% 0.17 150 / 0.5);
  animation: hero-proof-pulse 1.8s ease-out infinite;
}

.proof-polish-menu {
  letter-spacing: 0.12em;
}

.proof-polish-body {
  display: grid;
  align-content: center;
  gap: 9px;
  padding: clamp(14px, 2.4vw, 24px);
}

.proof-polish-kicker,
.proof-polish-sprint {
  font-family: var(--ks-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.proof-polish h3 {
  max-width: 14ch;
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 2.1rem);
  line-height: 0.98;
  text-wrap: balance;
}

.proof-polish--before h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.035em;
}

.proof-polish--before h3 em {
  color: oklch(49% 0.09 40);
}

.proof-polish-body > p {
  max-width: 42ch;
  margin: 0;
  font-size: clamp(0.68rem, 1.1vw, 0.8rem);
  line-height: 1.45;
}

.proof-polish-cta {
  width: max-content;
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  margin-top: 3px;
  padding: 0 15px;
  color: oklch(96% 0.012 73);
  background: oklch(33% 0.035 58);
  border-radius: 999px;
  font-size: 0.68rem;
}

.proof-polish--after {
  color: var(--proof-body);
  background: var(--proof-raised);
  border-color: var(--ks-gold-hairline-strong);
  border-radius: 2px;
}

.proof-polish--after .proof-polish-head {
  border-bottom-color: var(--proof-rule);
}

.proof-polish--after h3 {
  color: var(--proof-text);
  font-family: var(--ks-font);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.proof-polish-sprint {
  color: var(--ks-kinpaku);
}

.proof-polish-track {
  color: var(--ks-patina-pale);
}

.proof-polish-track::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--ks-patina);
}

.proof-polish-progress {
  height: 2px;
  margin-top: 3px;
  background: var(--proof-graphite);
}

.proof-polish-progress i {
  width: 72%;
  height: 100%;
  display: block;
  background: var(--ks-kinpaku);
}

.proof-polish--after footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--proof-muted);
  font-size: 0.64rem;
}

.proof-polish--after footer b {
  color: var(--ks-patina-pale);
  font-weight: 500;
}

.proof-distill {
  padding: clamp(14px, 2.4vw, 22px);
  border: 1px solid var(--proof-rule);
}

.proof-distill > header,
.proof-clarify > header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.proof-distill > header strong,
.proof-clarify > header span {
  font-size: 0.82rem;
  font-weight: 500;
}

.proof-distill > header span,
.proof-clarify > header small {
  font-family: var(--ks-mono);
  font-size: 0.62rem;
}

.proof-distill--before {
  color: oklch(89% 0.015 260);
  background: oklch(18% 0.025 260);
  border-color: oklch(72% 0.2 285 / 0.34);
  border-radius: 12px;
}

.proof-distill--before > header span {
  padding: 4px 8px;
  color: oklch(88% 0.02 260);
  background: oklch(67% 0.19 285 / 0.22);
  border-radius: 999px;
}

.proof-distill-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 12px;
}

.proof-distill-grid > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3px;
  padding: 8px;
  background: oklch(24% 0.027 260);
  border: 1px solid oklch(80% 0.03 260 / 0.12);
  border-radius: 8px;
}

.proof-distill-grid small {
  grid-column: 1 / -1;
  color: oklch(70% 0.02 260);
  font-size: 0.56rem;
}

.proof-distill-grid b {
  font-size: 0.74rem;
}

.proof-distill-grid i {
  color: oklch(73% 0.15 150);
  font-size: 0.55rem;
  font-style: normal;
}

.proof-distill-nested {
  display: grid;
  gap: 7px;
  margin-top: 8px;
  padding: 8px;
  background: oklch(23% 0.025 260);
  border: 1px solid oklch(80% 0.03 260 / 0.12);
  border-radius: 8px;
  font-size: 0.58rem;
}

.proof-distill-nested > div {
  display: flex;
  align-items: end;
  gap: 4px;
  height: 20px;
  padding: 4px;
  background: oklch(27% 0.025 260);
  border-radius: 5px;
}

.proof-distill-nested i {
  width: 28%;
  display: block;
  background: oklch(67% 0.19 285);
}

.proof-distill-nested i:nth-child(1) { height: 40%; }
.proof-distill-nested i:nth-child(2) { height: 72%; }
.proof-distill-nested i:nth-child(3) { height: 100%; }

.proof-distill--after {
  color: var(--proof-body);
  background: var(--proof-raised);
  border-color: var(--ks-gold-hairline-strong);
  border-radius: 2px;
}

.proof-distill--after > header span {
  color: var(--proof-muted);
}

.proof-distill-primary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 14px;
}

.proof-distill-primary b {
  color: var(--proof-text);
  font-family: var(--ks-font-display);
  font-size: clamp(1.8rem, 3.6vw, 3rem);
  font-weight: 300;
  line-height: 1;
}

.proof-distill-primary span {
  color: var(--ks-patina-pale);
  font-size: 0.64rem;
}

.proof-distill-chart {
  height: 76px;
  display: flex;
  align-items: end;
  gap: 6px;
  margin-top: 10px;
  border-bottom: 1px solid var(--proof-rule);
}

.proof-distill-chart i {
  flex: 1;
  display: block;
  background: var(--ks-patina-deep);
}

.proof-distill-chart i:nth-child(1) { height: 28%; }
.proof-distill-chart i:nth-child(2) { height: 42%; }
.proof-distill-chart i:nth-child(3) { height: 38%; }
.proof-distill-chart i:nth-child(4) { height: 57%; }
.proof-distill-chart i:nth-child(5) { height: 66%; }
.proof-distill-chart i:nth-child(6) { height: 62%; }
.proof-distill-chart i:nth-child(7) { height: 88%; background: var(--ks-kinpaku); }

.proof-distill--after footer {
  display: flex;
  gap: 20px;
  padding-top: 9px;
  color: var(--proof-muted);
  font-size: 0.62rem;
}

.proof-distill--after footer b {
  color: var(--proof-text);
  font-weight: 500;
}

.proof-clarify {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(14px, 2.4vw, 22px);
  border: 1px solid var(--proof-rule);
}

.proof-clarify h3 {
  max-width: 19ch;
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.45rem);
  line-height: 1.12;
}

.proof-clarify--before {
  color: oklch(24% 0.02 95);
  background: oklch(96% 0.01 95);
  border-color: oklch(72% 0.02 95 / 0.4);
  border-radius: 12px;
}

.proof-clarify--before > header small {
  color: oklch(50% 0.012 95);
}

.proof-clarify--before h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-weight: 400;
}

.proof-clarify-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}

.proof-clarify-fields i {
  height: 26px;
  background: oklch(100% 0 0);
  border: 1px solid oklch(72% 0.02 95 / 0.38);
  border-radius: 6px;
}

.proof-clarify-cta {
  min-height: 29px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  font-size: 0.68rem;
}

.proof-clarify--before .proof-clarify-cta {
  color: oklch(98% 0 0);
  background: oklch(28% 0.02 95);
  border-radius: 7px;
}

.proof-clarify--after {
  color: var(--proof-body);
  background: var(--proof-raised);
  border-color: var(--ks-gold-hairline-strong);
  border-radius: 2px;
}

.proof-clarify--after > header span {
  color: var(--ks-kinpaku);
}

.proof-clarify--after > header small,
.proof-clarify--after > p {
  color: var(--proof-muted);
}

.proof-clarify--after > p {
  margin: -3px 0 0;
  font-size: 0.68rem;
}

.proof-clarify-options {
  display: flex;
  gap: 6px;
}

.proof-clarify-options span {
  padding: 6px 9px;
  color: var(--proof-muted);
  border: 1px solid var(--proof-rule);
  font-size: 0.61rem;
}

.proof-clarify-options span:first-child {
  color: var(--ks-patina-pale);
  border-color: var(--ks-patina-deep);
}

.proof-clarify--after .proof-clarify-cta {
  width: max-content;
  justify-content: flex-start;
  padding: 0;
  color: var(--ks-kinpaku);
}

@keyframes hero-proof-pulse {
  70%, 100% { box-shadow: 0 0 0 10px oklch(61% 0.17 150 / 0); }
}

.hero-proof-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--proof-rule);
}

.hero-proof-tab {
  min-height: 66px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 10px 14px;
  color: var(--proof-muted);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--proof-rule);
  text-align: left;
  cursor: pointer;
  transition: color 160ms var(--ks-ease), background-color 160ms var(--ks-ease);
}

.hero-proof-tab:last-child {
  border-right: 0;
}

.hero-proof-tab:hover,
.hero-proof-tab:focus-visible {
  color: var(--proof-text);
  background: oklch(100% 0 0 / 0.04);
}

.hero-proof-tab:focus-visible {
  outline: 2px solid var(--ks-patina);
  outline-offset: -3px;
}

.hero-proof-tab.is-active {
  color: var(--proof-text);
  background: oklch(84% 0.19 80.46 / 0.1);
}

.hero-proof-command {
  color: var(--ks-kinpaku);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-mono-size);
}

.hero-proof-tab-label {
  overflow: hidden;
  font-size: var(--ks-type-mono-size);
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Current slop patterns — specimens, not page thumbnails
   -------------------------------------------------------------------------- */

.home-kinpaku .slop-pattern-section {
  max-width: 1500px;
  margin: 0 auto;
  padding: clamp(96px, 11vw, 160px) clamp(22px, 4vw, 56px);
}

.slop-pattern-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(36px, 7vw, 110px);
  align-items: end;
  margin-bottom: 54px;
}

.slop-pattern-head > div:first-child {
  display: grid;
  gap: 22px;
  max-width: 880px;
}

.home-kinpaku .slop-pattern-head .slop-teaser-title {
  max-width: 15ch;
  font-size: clamp(3rem, 5.6vw, 5.5rem);
  font-weight: 100;
  text-wrap: balance;
}

.home-kinpaku .slop-pattern-head .slop-teaser-body {
  max-width: 68ch;
  margin: 0;
}

.slop-pattern-actions {
  display: grid;
  justify-items: start;
  gap: 16px;
  padding-bottom: 3px;
}

.slop-pattern-count {
  color: var(--ks-muted);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-eyebrow-size);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.slop-pattern-count strong {
  margin-right: 5px;
  color: var(--ks-patina);
  font-size: var(--ks-type-wordmark-size);
  font-weight: 500;
}

.slop-pattern-board {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  background: var(--ks-rule);
  border: 1px solid var(--ks-rule);
  gap: 1px;
}

.slop-pattern-item {
  grid-column: span 5;
  display: grid;
  grid-template-rows: minmax(230px, auto) auto;
  min-width: 0;
  background: var(--ks-lacquer);
}

.slop-pattern-item--wide {
  grid-column: span 7;
}

.slop-pattern-item:nth-child(3),
.slop-pattern-item:nth-child(4),
.slop-pattern-item:nth-child(5) {
  grid-column: span 4;
}

.slop-pattern-specimen {
  position: relative;
  min-height: 230px;
  overflow: hidden;
  border-bottom: 1px solid var(--ks-rule);
}

.slop-pattern-meta {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 170px;
  padding: 24px 26px 28px;
}

.slop-pattern-index {
  color: var(--ks-patina);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-eyebrow-size);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.slop-pattern-meta h3 {
  margin: 0;
  color: var(--ks-champagne);
  font-size: var(--ks-type-title-size);
  font-weight: 500;
}

.slop-pattern-meta p {
  max-width: 48ch;
  margin: 0;
  color: var(--ks-muted);
  font-size: var(--ks-type-body-size);
  line-height: var(--ks-type-body-line);
}

.slop-pattern-specimen--serif {
  display: grid;
  align-content: center;
  gap: 18px;
  padding: clamp(26px, 5vw, 62px);
  color: oklch(26% 0.024 70);
  background: oklch(93.5% 0.026 73);
}

.slop-pattern-kicker {
  font-size: var(--ks-type-eyebrow-size);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.slop-pattern-serif-line {
  max-width: 12ch;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(2.5rem, 4.8vw, 5.5rem);
  line-height: 0.88;
  letter-spacing: -0.055em;
}

.slop-pattern-serif-line em {
  color: oklch(50% 0.09 40);
  font-weight: 400;
}

.slop-pattern-specimen--beige {
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 15px;
  padding: 30px;
  color: oklch(30% 0.025 60);
  background: oklch(91.5% 0.03 72);
}

.slop-beige-wordmark {
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

.slop-beige-copy {
  color: oklch(47% 0.025 60);
  font-size: 0.82rem;
}

.slop-beige-button {
  margin-top: 10px;
  padding: 9px 22px;
  color: oklch(92% 0.02 72);
  background: oklch(33% 0.035 58);
  border-radius: 999px;
  font-size: 0.72rem;
}

.slop-pattern-specimen--sidetab {
  display: grid;
  place-items: center;
  padding: 30px;
  background: oklch(20% 0.018 260);
}

.slop-side-card {
  width: min(100%, 300px);
  display: grid;
  gap: 11px;
  padding: 23px 24px;
  color: oklch(94% 0.01 260);
  background: oklch(27% 0.025 260);
  border: 1px solid oklch(80% 0.03 260 / 0.14);
  border-left: 7px solid oklch(68% 0.2 280);
  border-radius: 14px;
  box-shadow: 0 18px 35px oklch(0% 0 0 / 0.24);
}

.home-kinpaku .slop-side-card strong {
  color: oklch(94% 0 0);
  font-size: 0.9rem;
}

.slop-side-card span {
  color: oklch(78% 0.02 260);
  font-size: 0.74rem;
  line-height: 1.5;
}

.slop-pattern-specimen--pulse {
  display: grid;
  place-content: center;
  gap: 26px;
  padding: 32px;
  color: oklch(91% 0.012 155);
  background: oklch(18% 0.025 155);
}

.slop-pulse-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
}

.slop-pulse-dot {
  width: 9px;
  height: 9px;
  background: oklch(76% 0.18 150);
  border-radius: 50%;
  box-shadow: 0 0 0 0 oklch(76% 0.18 150 / 0.55);
  animation: slop-pattern-pulse 1.7s ease-out infinite;
}

.slop-pulse-lines {
  width: 190px;
  display: grid;
  gap: 9px;
}

.slop-pulse-lines i {
  height: 7px;
  display: block;
  background: oklch(82% 0.035 155 / 0.16);
  border-radius: 999px;
}

.slop-pulse-lines i:nth-child(2) {
  width: 78%;
}

.slop-pulse-lines i:nth-child(3) {
  width: 52%;
}

@keyframes slop-pattern-pulse {
  72%, 100% { box-shadow: 0 0 0 12px oklch(76% 0.18 150 / 0); }
}

.slop-pattern-specimen--nested {
  display: grid;
  place-items: center;
  padding: 25px;
  background: oklch(15% 0.008 95);
}

.slop-nested-shell,
.slop-nested-card {
  display: grid;
  gap: 12px;
  padding: 17px;
  color: oklch(91% 0.012 95);
  background: oklch(21% 0.008 95);
  border: 1px solid oklch(88% 0.014 95 / 0.14);
  border-radius: 10px;
  font-size: 0.72rem;
}

.slop-nested-shell {
  width: min(100%, 340px);
}

.slop-nested-card {
  background: oklch(25% 0.008 95);
}

.slop-nested-card--inner {
  min-height: 64px;
  place-items: center;
  color: oklch(70% 0.012 95);
  background: oklch(29% 0.008 95);
}

.slop-pattern-foot {
  padding: 20px 0 0;
}

.slop-pattern-foot p {
  margin: 0;
  color: var(--ks-muted);
  font-size: var(--ks-type-body-size);
}

.slop-pattern-foot a {
  color: var(--ks-patina);
  text-underline-offset: 4px;
}

/* --------------------------------------------------------------------------
   Commands + the two steering surfaces
   -------------------------------------------------------------------------- */

.language-steering {
  margin-top: clamp(80px, 10vw, 140px);
  padding-top: clamp(54px, 7vw, 92px);
  border-top: 1px solid var(--ks-rule);
}

.language-steering-head {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 1fr);
  gap: clamp(32px, 8vw, 120px);
  align-items: end;
  margin-bottom: 50px;
}

.language-steering-head h3 {
  max-width: 11ch;
  margin: 0;
  color: var(--ks-champagne);
  font-family: var(--ks-font-display);
  font-size: clamp(2.8rem, 5vw, 5rem);
  font-weight: 100;
  line-height: 0.98;
  text-wrap: balance;
}

.language-steering-head p {
  max-width: 56ch;
  margin: 0;
  color: var(--ks-muted);
  font-size: var(--ks-type-body-size);
  line-height: var(--ks-type-body-line);
}

.language-steering-grid {
  display: grid;
  grid-template-columns: minmax(300px, 4fr) minmax(0, 8fr);
  background: var(--ks-rule);
  border-top: 1px solid var(--ks-rule);
  border-bottom: 1px solid var(--ks-rule);
  gap: 1px;
}

.language-steering-chat,
.language-steering-live {
  min-width: 0;
  padding: clamp(24px, 3vw, 42px);
  background: var(--ks-lacquer);
}

.language-steering-live {
  padding-right: 0;
}

.language-method-head {
  min-height: 72px;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 28px;
}

.language-method-number {
  padding-top: 4px;
  color: var(--ks-patina);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-eyebrow-size);
}

.language-method-head h4 {
  margin: 0 0 6px;
  color: var(--ks-champagne);
  font-size: var(--ks-type-title-size);
  font-weight: 500;
}

.language-method-head p {
  margin: 0;
  color: var(--ks-muted);
  font-size: var(--ks-type-body-size);
  line-height: var(--ks-type-body-line);
}

.chat-proof {
  display: grid;
  gap: 18px;
  font-size: var(--ks-type-body-size);
}

.chat-proof-user,
.chat-proof-agent {
  display: grid;
  gap: 8px;
}

.chat-proof-user > span,
.chat-proof-agent > span {
  color: var(--ks-text-faint);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-eyebrow-size);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.chat-proof-user > p {
  margin: 0;
  padding: 16px;
  color: var(--ks-text);
  background: var(--ks-lacquer-raised);
  border-left: 2px solid var(--ks-kinpaku);
  line-height: 1.65;
}

.chat-proof-scan {
  border-top: 1px solid var(--ks-rule);
}

.chat-proof-scan p {
  display: grid;
  gap: 3px;
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--ks-rule);
}

.chat-proof-scan strong {
  color: var(--ks-champagne);
  font-size: var(--ks-type-mono-size);
  font-weight: 500;
}

.chat-proof-scan small {
  color: var(--ks-muted);
  font-size: var(--ks-type-eyebrow-size);
  line-height: 1.45;
}

.language-live-demo {
  width: 100%;
  max-width: none;
}

.language-live-demo .live-demo-frame {
  max-height: none;
}

/* The bento rail should use the same paper as the page in light theme. The
   one-pixel grid background remains a rule, not a separate gray surface. */
html.light .home-kinpaku .why-bento {
  background: var(--ks-rule);
  border-top-color: var(--ks-rule);
  border-bottom-color: var(--ks-rule);
}

html.light .home-kinpaku .why-bento .ks-bento-tile {
  background: var(--ks-lacquer);
}

html.light .home-kinpaku .slop-pattern-item,
html.light .home-kinpaku .language-steering-chat,
html.light .home-kinpaku .language-steering-live {
  background: var(--ks-lacquer);
}

@media (max-width: 1180px) {
  .home-kinpaku .hero-rebuild-container {
    grid-template-columns: minmax(0, 1fr);
  }

  .home-kinpaku .hero-rebuild-left {
    max-width: 760px;
  }

  .home-kinpaku .hero-rebuild-right {
    max-width: 820px;
    justify-self: start;
  }

  .slop-pattern-item,
  .slop-pattern-item--wide,
  .slop-pattern-item:nth-child(3),
  .slop-pattern-item:nth-child(4),
  .slop-pattern-item:nth-child(5) {
    grid-column: span 6;
  }

  .slop-pattern-item:last-child {
    grid-column: 1 / -1;
  }

  .language-steering-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .language-steering-live {
    padding-right: clamp(24px, 3vw, 42px);
  }

  .language-live-demo.hero-live-demo {
    max-width: 720px;
    margin-inline: auto;
  }
}

@media (max-width: 760px) {
  .home-kinpaku .hero-rebuild-container {
    gap: 40px;
  }

  .home-kinpaku .hero-rebuild-title {
    font-size: clamp(3rem, 15vw, 4.4rem);
  }

  .hero-proof-topline {
    min-height: 34px;
  }

  .hero-proof-instruction {
    display: none;
  }

  .hero-proof-callout {
    font-size: var(--ks-type-eyebrow-size);
  }

  .hero-proof-callout:nth-child(n + 3) {
    display: none;
  }

  .hero-proof-tab {
    min-height: 58px;
    padding: 8px 9px;
  }

  .hero-proof-tab-label {
    display: none;
  }

  .slop-pattern-head,
  .language-steering-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .slop-pattern-head {
    margin-bottom: 36px;
  }

  .slop-pattern-actions {
    justify-items: stretch;
  }

  .slop-pattern-board {
    grid-template-columns: minmax(0, 1fr);
  }

  .slop-pattern-item,
  .slop-pattern-item--wide,
  .slop-pattern-item:nth-child(3),
  .slop-pattern-item:nth-child(4),
  .slop-pattern-item:nth-child(5),
  .slop-pattern-item:last-child {
    grid-column: 1;
  }

  .slop-pattern-item {
    grid-template-rows: minmax(210px, auto) auto;
  }

  .slop-pattern-meta {
    min-height: 0;
  }

  .language-steering {
    margin-top: 72px;
  }

  .language-steering-head {
    margin-bottom: 34px;
  }

  .language-steering-chat,
  .language-steering-live {
    padding: 24px 0;
  }

  .language-steering-grid {
    background: transparent;
    border-bottom: 0;
  }

  .language-steering-live {
    border-top: 1px solid var(--ks-rule);
  }

  .language-live-demo .hotel-nav-links {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .slop-pulse-dot {
    animation: none;
  }
}