/* Agent-SIREN paper page -------------------------------------------------- */

.agent-page {
  --agent-red: #ea526b;
  --agent-red-bright: #ff6a80;
  --agent-red-soft: rgba(234, 82, 107, 0.16);
  --agent-teal: #5ac9bd;
  --agent-teal-bright: #75ded2;
  --agent-teal-soft: rgba(90, 201, 189, 0.14);
  --agent-blue: #8290ff;
  --agent-paper: #f2f3f6;
  --agent-paper-raised: #ffffff;
  --agent-dark: #070911;
  --agent-dark-raised: #0d111c;
  --agent-dark-soft: #121725;
  --agent-radius: 4px;
  background: var(--agent-dark);
  color: #f3f4f9;
  overflow-x: hidden;
}

.agent-page [hidden] {
  display: none !important;
}

.agent-page button,
.agent-page input,
.agent-page select {
  font: inherit;
}

.agent-page button {
  color: inherit;
}

.agent-page :focus-visible {
  outline: 3px solid var(--agent-teal-bright);
  outline-offset: 4px;
}

.agent-page .shell {
  max-width: 1240px;
}

.agent-page .section-label {
  margin: 0 0 1.35rem;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: clamp(0.76rem, 1vw, 0.88rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  line-height: 1.3;
  text-transform: uppercase;
}

.agent-page .section-label::before {
  content: "";
  display: inline-block;
  width: 2.2rem;
  height: 1px;
  margin: 0 0.75rem 0.25rem 0;
  background: currentColor;
  opacity: 0.6;
}

.agent-page .agent-demo-kicker,
.agent-page .agent-chart-kicker,
.agent-page .agent-card-kicker {
  margin: 0;
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1.4;
  text-transform: uppercase;
}

/* Navigation ------------------------------------------------------------- */

.agent-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  min-height: 4.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.075);
  background: rgba(7, 9, 17, 0.82);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
  backdrop-filter: blur(18px) saturate(130%);
}

.agent-nav-inner {
  min-height: 4.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.agent-nav-home,
.agent-nav-links a {
  font-family: var(--mono);
  letter-spacing: 0.06em;
  text-decoration: none;
}

.agent-nav-home {
  color: #b4bbcc;
  font-size: 0.82rem;
  font-weight: 600;
}

.agent-nav-home span {
  display: inline-block;
  margin-right: 0.5rem;
  color: var(--agent-red);
  transition: transform 180ms ease;
}

.agent-nav-home:hover span {
  transform: translateX(-3px);
}

.agent-nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.agent-nav-links a {
  color: #747d94;
  font-size: 0.76rem;
  font-weight: 500;
  transition: color 180ms ease;
}

.agent-nav-links a:hover {
  color: #f2f4f8;
}

/* Hero ------------------------------------------------------------------- */

.agent-masthead {
  position: relative;
  min-height: 100svh;
  padding: clamp(7.6rem, 11vw, 10rem) 0 clamp(4.4rem, 7vw, 6.8rem);
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 20%, rgba(90, 201, 189, 0.09), transparent 27rem),
    radial-gradient(circle at 13% 85%, rgba(234, 82, 107, 0.09), transparent 30rem),
    var(--agent-dark);
}

.agent-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(110deg, transparent 3%, #000 45%, transparent 92%);
  mask-image: linear-gradient(110deg, transparent 3%, #000 45%, transparent 92%);
}

.agent-masthead::after {
  content: "";
  position: absolute;
  width: 30rem;
  height: 30rem;
  right: -15rem;
  top: 18%;
  z-index: -1;
  border: 1px solid rgba(130, 144, 255, 0.1);
  border-radius: 50%;
  box-shadow:
    0 0 0 7rem rgba(130, 144, 255, 0.018),
    0 0 0 14rem rgba(130, 144, 255, 0.012);
}

.agent-masthead-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(22rem, 0.92fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.agent-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 46rem;
}

.agent-hero-copy .eyebrow {
  margin-bottom: 1.4rem;
}

.agent-hero-copy .eyebrow b {
  color: var(--agent-red-bright);
}

.agent-hero-copy h1 {
  margin: 0;
  color: #f7f7fa;
  font-family: var(--display);
  font-size: clamp(4.25rem, 8.2vw, 7.6rem);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.agent-hero-claim {
  max-width: 19ch;
  margin: 1.5rem 0 0;
  color: #f3f4f8;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3.3vw, 2.55rem);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.13;
}

.agent-hero-deck {
  max-width: 37rem;
  margin: 1rem 0 0;
  color: #b7becf;
  font-size: clamp(1rem, 1.45vw, 1.12rem);
  line-height: 1.65;
}

.agent-authors {
  max-width: 42rem;
  margin: 1.65rem 0 0;
  color: #858fa5;
  font-family: var(--mono);
  font-size: 0.77rem;
  letter-spacing: 0.03em;
  line-height: 1.65;
}

.agent-authors b {
  color: #cdd2dd;
}

.agent-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
}

.agent-page .agent-hero-links .chip {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.58rem;
  padding: 0.64rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.025);
  color: #bac1d0;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease, transform 180ms ease;
}

.agent-page .agent-hero-links .chip:hover {
  transform: translateY(-2px);
  border-color: rgba(90, 201, 189, 0.62);
  background: rgba(90, 201, 189, 0.07);
  color: #f5f7fa;
}

.agent-page .agent-hero-links .chip-primary {
  border-color: rgba(234, 82, 107, 0.58);
  background: rgba(234, 82, 107, 0.11);
  color: #fff1f4;
}

.agent-page .agent-hero-links svg {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
}

.agent-resource-mark {
  min-width: 1.48rem;
  height: 1.25rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-size: 0.55rem;
  letter-spacing: 0;
}

/* Hero illustration */

.agent-hero-art {
  position: relative;
  min-height: 31rem;
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  align-items: center;
  gap: 1.25rem;
}

.agent-hero-route {
  position: relative;
  height: 21rem;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 2.5rem 0 1rem;
}

.agent-hero-route::before {
  content: "";
  position: absolute;
  left: 0.7rem;
  top: 4.5rem;
  bottom: 2.6rem;
  width: 1px;
  background: linear-gradient(var(--agent-teal), rgba(130, 144, 255, 0.35), var(--agent-red));
}

.agent-route-label {
  position: absolute;
  top: 0;
  left: 0;
  color: #6f788e;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.agent-route-event {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: #929bad;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.agent-route-event i {
  position: relative;
  z-index: 1;
  width: 1.45rem;
  height: 1.45rem;
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.21);
  border-radius: 50%;
  background: var(--agent-dark);
  box-shadow: inset 0 0 0 0.32rem var(--agent-dark);
}

.event-user i { background: var(--agent-teal); }
.event-tool i { background: var(--agent-blue); }
.event-action i { background: var(--agent-red); }

.agent-hero-model {
  position: relative;
  min-height: 27.5rem;
  padding: 3.8rem 2rem 3rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.035), transparent 45%),
    rgba(10, 13, 23, 0.78);
  box-shadow: 0 2.5rem 8rem rgba(0, 0, 0, 0.28);
}

.agent-model-top {
  position: absolute;
  top: 1.25rem;
  left: 1.35rem;
  right: 1.35rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: #687188;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.agent-layer-stack {
  position: absolute;
  inset: 4rem 2.2rem 5.7rem;
  display: flex;
  align-items: flex-end;
  gap: clamp(0.2rem, 0.8vw, 0.42rem);
}

.agent-layer-stack span {
  position: relative;
  flex: 1 1 0;
  min-width: 3px;
  height: calc(35% + (var(--rise) * 1%));
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 2px 2px 0 0;
  background: rgba(130, 144, 255, 0.1);
  transition: height 420ms cubic-bezier(.2,.8,.2,1), background 240ms ease;
}

.agent-layer-stack span::after {
  content: "";
  position: absolute;
  inset: auto 20% 0;
  height: calc(var(--signal) * 1%);
  border-radius: 2px 2px 0 0;
  background: linear-gradient(var(--agent-red-bright), rgba(234, 82, 107, 0.12));
  opacity: 0.9;
  animation: agentSignalPulse 2.8s ease-in-out infinite alternate;
  animation-delay: calc(var(--index) * -90ms);
}

.agent-layer-stack span:nth-child(8),
.agent-layer-stack span:nth-child(9),
.agent-layer-stack span:nth-child(10),
.agent-layer-stack span:nth-child(11) {
  border-color: rgba(90, 201, 189, 0.45);
  background: rgba(90, 201, 189, 0.09);
  box-shadow: 0 0 1.4rem rgba(90, 201, 189, 0.08);
}

@keyframes agentSignalPulse {
  from { opacity: 0.45; }
  to { opacity: 0.95; }
}

.agent-visible-readout,
.agent-internal-readout {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid;
  background: rgba(7, 9, 17, 0.93);
  font-family: var(--mono);
  line-height: 1;
}

.agent-visible-readout span,
.agent-internal-readout span {
  color: #818a9d;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-visible-readout strong,
.agent-internal-readout strong {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.agent-visible-readout {
  right: 1.25rem;
  bottom: 1.1rem;
  width: 10.8rem;
  border-color: rgba(130, 144, 255, 0.28);
}

.agent-visible-readout strong { color: #8d97ad; }

.agent-internal-readout {
  left: -1.2rem;
  bottom: 7.8rem;
  width: 11.5rem;
  border-color: rgba(234, 82, 107, 0.58);
  box-shadow: 0 0 2.4rem rgba(234, 82, 107, 0.1);
}

.agent-internal-readout::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  width: 4rem;
  height: 1px;
  background: linear-gradient(90deg, var(--agent-red), transparent);
}

.agent-internal-readout strong { color: var(--agent-red-bright); }

.agent-proof-rail {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.agent-proof {
  min-height: 8.7rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.6rem clamp(1rem, 2.4vw, 2rem);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-proof:first-child { border-left: 0; padding-left: 0; }

.agent-proof strong {
  color: #f6f6f9;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  font-weight: 750;
  letter-spacing: -0.055em;
  line-height: 1;
}

.agent-proof:first-child strong { color: var(--agent-red-bright); }

.agent-proof span {
  max-width: 13rem;
  margin-top: 0.75rem;
  color: #929bad;
  font-size: 0.9rem;
  line-height: 1.38;
}

/* Shared section structure ---------------------------------------------- */

.agent-section {
  position: relative;
  padding: clamp(5.5rem, 10vw, 8.5rem) 0;
  scroll-margin-top: 4.25rem;
}

.agent-section.light {
  --agent-red: #c83f58;
  --agent-red-bright: #c83f58;
  --agent-teal: #187f77;
  --agent-teal-bright: #126d67;
  --agent-blue: #5666d2;
  background: var(--agent-paper);
}

.agent-section-head {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(15rem, 0.7fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: end;
  margin-bottom: clamp(2.8rem, 5vw, 4.5rem);
}

.agent-section-head h2 {
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.07;
  text-wrap: balance;
}

.agent-section-head p {
  max-width: 38ch;
  margin: 0;
  color: var(--ink-2);
  font-size: 1.02rem;
  line-height: 1.65;
}

.agent-section-head-dark h2 { color: #f2f3f7; }
.agent-section-head-dark p { color: #9fa8bc; }

/* Mechanistic story ------------------------------------------------------ */

.agent-mechanism {
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 12%, rgba(86, 102, 210, 0.075), transparent 29rem),
    radial-gradient(circle at 8% 80%, rgba(200, 63, 88, 0.06), transparent 27rem),
    var(--agent-paper);
}

.agent-evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.agent-evidence-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(20, 24, 36, 0.14);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 55px rgba(20, 24, 36, 0.065);
}

.agent-evidence-heading {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0.2rem 0.75rem;
  padding: 1.35rem 1.5rem 1.2rem;
  border-bottom: 1px solid rgba(20, 24, 36, 0.1);
}

.agent-evidence-heading > span {
  grid-row: 1 / 3;
  color: var(--agent-red);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
}

.agent-evidence-card.is-tool .agent-evidence-heading > span { color: var(--agent-blue); }

.agent-evidence-heading h3 {
  margin: 0;
  color: #202531;
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.agent-evidence-heading p {
  margin: 0;
  color: #6c7484;
  font-size: 0.82rem;
}

.agent-evidence-flow {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) auto minmax(0, 0.95fr) auto minmax(0, 0.72fr);
  align-items: stretch;
  gap: 0.45rem;
  padding: 1.25rem;
}

.agent-evidence-flow > i {
  align-self: center;
  color: #939aaa;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-style: normal;
}

.agent-evidence-node {
  min-width: 0;
  min-height: 8.7rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.8rem;
  border: 1px solid rgba(20, 24, 36, 0.11);
  border-radius: 4px;
  background: #f8f9fa;
}

.agent-evidence-node > span {
  margin-bottom: 0.6rem;
  color: #8a91a0;
  font-family: var(--mono);
  font-size: 0.57rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.agent-evidence-node p,
.agent-evidence-node code {
  margin: 0;
  color: #2e3440;
  font-size: clamp(0.72rem, 1.05vw, 0.84rem);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.agent-evidence-node code {
  font-family: var(--mono);
  font-size: clamp(0.61rem, 0.82vw, 0.72rem);
}

.agent-evidence-node mark {
  padding: 0 0.08em;
  background: rgba(200, 63, 88, 0.12);
  color: #a92840;
  box-shadow: inset 0 -1px #c83f58;
}

.agent-evidence-card.is-tool .agent-evidence-node mark {
  background: rgba(86, 102, 210, 0.11);
  color: #3f4db4;
  box-shadow: inset 0 -1px #5666d2;
}

.agent-evidence-rule {
  min-height: 4.9rem;
  margin: 0;
  padding: 1rem 1.35rem;
  border-top: 1px solid rgba(20, 24, 36, 0.1);
  color: #656d7d;
  font-size: 0.82rem;
  line-height: 1.55;
}

.agent-evidence-rule b { color: #a92840; }
.agent-evidence-card.is-tool .agent-evidence-rule b { color: #3f4db4; }

.agent-mechanism-board {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(20rem, 0.85fr);
  margin-top: 1rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 8px;
  background: var(--agent-dark-raised);
  box-shadow: 0 24px 70px rgba(18, 22, 35, 0.15);
}

.agent-expression-panel,
.agent-proposal-panel {
  padding: clamp(1.6rem, 4vw, 3rem);
}

.agent-expression-panel {
  border-right: 1px solid rgba(255, 255, 255, 0.09);
}

.agent-expression-panel h3,
.agent-proposal-panel h3 {
  margin: 0.75rem 0 0;
  color: #f1f2f6;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.agent-expression-rows {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

.agent-expression-row {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr) minmax(0, 1fr);
  align-items: end;
  gap: 0.9rem;
}

.agent-expression-row > b {
  color: #cdd2dd;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.35;
}

.agent-expression-row > div {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.45rem;
}

.agent-expression-row span,
.agent-expression-row strong {
  color: #7e879b;
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 600;
}

.agent-expression-row > div > i {
  height: 0.42rem;
  overflow: hidden;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.06);
}

.agent-expression-row em {
  display: block;
  width: var(--evidence);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #be3d55, #ff6a80);
}

.agent-expression-row.is-tool em {
  background: linear-gradient(90deg, #4f5fca, #8290ff);
}

.agent-expression-row.is-tool > div:last-child em { opacity: 0.48; }

.agent-expression-note {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.6rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #687287;
  font-family: var(--mono);
  font-size: 0.58rem;
  line-height: 1.45;
}

.agent-expression-note span { color: #929bad; }

.agent-proposal-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.agent-proposal-flow {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.55rem;
  margin-top: 1.6rem;
}

.agent-proposal-flow > b {
  align-self: center;
  color: #5ac9bd;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  transform: rotate(90deg);
}

.agent-proposal-input,
.agent-proposal-model,
.agent-proposal-score {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.025);
}

.agent-proposal-input {
  display: grid;
  grid-template-columns: 1fr repeat(3, minmax(1.5rem, 0.34fr));
  gap: 0.35rem;
  align-items: center;
  padding: 0.75rem;
}

.agent-proposal-input span,
.agent-proposal-model > span,
.agent-proposal-score span {
  color: #a1a9b9;
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.agent-proposal-input i {
  height: 0.4rem;
  background: rgba(130, 144, 255, 0.18);
}

.agent-proposal-model {
  padding: 0.75rem;
}

.agent-proposal-model > div {
  display: flex;
  gap: 0.28rem;
  margin-top: 0.65rem;
}

.agent-proposal-model i {
  flex: 1 1 0;
  height: 2rem;
  border: 1px solid rgba(130, 144, 255, 0.2);
  background: rgba(130, 144, 255, 0.07);
}

.agent-proposal-model i.is-selected {
  border-color: var(--agent-teal-bright);
  background: rgba(90, 201, 189, 0.2);
  box-shadow: 0 0 1rem rgba(90, 201, 189, 0.18);
}

.agent-proposal-model small {
  display: block;
  margin-top: 0.5rem;
  color: #6f798f;
  font-family: var(--mono);
  font-size: 0.54rem;
  text-align: center;
}

.agent-proposal-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem;
  border-color: rgba(90, 201, 189, 0.42);
  background: rgba(90, 201, 189, 0.08);
}

.agent-proposal-score strong {
  color: var(--agent-teal-bright);
  font-family: var(--display);
  font-size: 1.15rem;
}

.agent-proposal-panel > p:last-child {
  margin: 1.15rem 0 0;
  color: #8e98ab;
  font-size: 0.84rem;
  line-height: 1.6;
}

/* Context pair ----------------------------------------------------------- */

.agent-context-demo {
  max-width: 69rem;
  margin-top: clamp(3.4rem, 7vw, 6rem);
  border: 1px solid rgba(20, 24, 36, 0.14);
  background: #fff;
  box-shadow: 0 2.2rem 6rem rgba(28, 33, 50, 0.08);
}

.agent-context-topline {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 1.3rem 1.1rem 1.6rem;
  border-bottom: 1px solid rgba(20, 24, 36, 0.11);
  background: #f7f8fa;
}

.agent-context-topline p {
  margin: 0;
  color: #596172;
  font-size: 0.94rem;
  line-height: 1.45;
}

.agent-context-topline p b { color: #171b26; }

.agent-context-switch,
.agent-signal-switch,
.agent-mode-switch,
.agent-direction-controls,
.agent-exit-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.22rem;
  border: 1px solid rgba(20, 24, 36, 0.13);
  border-radius: 3px;
  background: #edeff3;
}

.agent-context-switch button,
.agent-signal-switch button,
.agent-mode-switch button,
.agent-direction-controls button,
.agent-exit-switch button {
  min-height: 2.55rem;
  padding: 0.58rem 0.85rem;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: #697183;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.025em;
  line-height: 1.2;
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.agent-context-switch button {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
}

.agent-context-switch button span,
.agent-direction-controls button span {
  width: 0.48rem;
  height: 0.48rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #5cae88;
}

.agent-context-switch button:last-child span { background: var(--agent-red); }

.agent-context-switch button.is-active,
.agent-direction-controls button.is-active {
  background: #fff;
  color: #181c27;
  box-shadow: 0 1px 4px rgba(20, 24, 36, 0.1);
}

.agent-context-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4rem minmax(0, 1fr);
  align-items: stretch;
  padding: clamp(1.5rem, 4vw, 3rem);
  background:
    linear-gradient(rgba(27, 32, 46, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 32, 46, 0.03) 1px, transparent 1px),
    #fff;
  background-size: 32px 32px;
}

.agent-transcript-card,
.agent-schema-card {
  position: relative;
  min-height: 23rem;
  padding: 1.4rem;
  border: 1px solid rgba(20, 24, 36, 0.14);
  background: rgba(250, 251, 252, 0.96);
}

.agent-card-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.agent-card-kicker span {
  padding: 0.28rem 0.45rem;
  border-radius: 2px;
  background: rgba(86, 102, 210, 0.09);
  color: #5666d2;
  font-size: 0.58rem;
}

.agent-schema-card .agent-card-kicker span {
  background: rgba(24, 127, 119, 0.1);
  color: #187f77;
}

.agent-schema-card.is-unsafe .agent-card-kicker span {
  background: rgba(200, 63, 88, 0.1);
  color: #c83f58;
}

.agent-message {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 2px solid rgba(86, 102, 210, 0.46);
  background: #f1f3f7;
}

.agent-message-code {
  border-left-color: rgba(200, 63, 88, 0.52);
  background: #f8f1f3;
}

.agent-role {
  display: block;
  margin-bottom: 0.6rem;
  color: #70798a;
  font-family: var(--mono);
  font-size: 0.61rem;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.agent-message p {
  margin: 0;
  color: #272c38;
  font-size: 0.95rem;
  line-height: 1.5;
}

.agent-message code,
.agent-schema-code code {
  color: #343a49;
  font-family: var(--mono);
  font-size: clamp(0.71rem, 1.1vw, 0.83rem);
  line-height: 1.78;
  overflow-wrap: anywhere;
}

.agent-context-arrow {
  display: grid;
  place-items: center;
}

.agent-context-arrow span {
  position: relative;
  width: 100%;
  height: 1px;
  background: rgba(30, 35, 48, 0.27);
}

.agent-context-arrow span::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 0.48rem;
  height: 0.48rem;
  border-top: 1px solid rgba(30, 35, 48, 0.42);
  border-right: 1px solid rgba(30, 35, 48, 0.42);
  transform: translateY(-50%) rotate(45deg);
}

.agent-schema-code {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(24, 127, 119, 0.2);
  background: rgba(24, 127, 119, 0.055);
  transition: border-color 180ms ease, background 180ms ease;
}

.agent-schema-card.is-unsafe .agent-schema-code {
  border-color: rgba(200, 63, 88, 0.25);
  background: rgba(200, 63, 88, 0.055);
}

.agent-schema-code p {
  display: grid;
  grid-template-columns: 5.6rem 1fr;
  gap: 0.7rem;
  margin: 0.8rem 0 0;
  color: #6b7382;
  font-size: 0.76rem;
  line-height: 1.4;
}

.agent-schema-code p span {
  color: #2f3542;
  font-family: var(--mono);
  font-size: 0.7rem;
}

.agent-context-verdict {
  position: absolute;
  left: 1.4rem;
  right: 1.4rem;
  bottom: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(20, 24, 36, 0.11);
}

.agent-context-verdict span {
  color: #71798a;
  font-size: 0.76rem;
}

.agent-context-verdict strong {
  color: #187f77;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

.agent-schema-card.is-unsafe .agent-context-verdict strong { color: #c83f58; }

.agent-context-thesis {
  margin: 0;
  padding: 1.5rem clamp(1.5rem, 4vw, 3rem);
  border-top: 1px solid rgba(20, 24, 36, 0.11);
  background: #171b26;
  color: #f1f2f5;
  font-family: var(--display);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.4;
}

.agent-source-note,
.agent-measure-note,
.agent-efficiency-note {
  margin: 0;
  padding: 1rem clamp(1.5rem, 4vw, 3rem);
  color: #737b8c;
  font-size: 0.78rem;
  line-height: 1.55;
}

/* Internal signal -------------------------------------------------------- */

.agent-inside {
  background:
    radial-gradient(circle at 18% 45%, rgba(234, 82, 107, 0.07), transparent 27rem),
    radial-gradient(circle at 82% 70%, rgba(90, 201, 189, 0.055), transparent 30rem),
    var(--agent-dark);
}

.agent-signal-demo {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(13, 17, 28, 0.88);
  box-shadow: 0 2.5rem 7rem rgba(0, 0, 0, 0.25);
}

.agent-signal-switch,
.agent-mode-switch,
.agent-exit-switch {
  margin: 1.2rem;
  border-color: rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.045);
}

.agent-signal-switch button,
.agent-mode-switch button,
.agent-exit-switch button {
  color: #7e879c;
}

.agent-signal-switch button.is-active,
.agent-mode-switch button.is-active,
.agent-exit-switch button.is-active {
  background: #f1f3f7;
  color: #121622;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.22);
}

.agent-signal-stage {
  display: grid;
  grid-template-columns: minmax(18rem, 0.84fr) minmax(28rem, 1.16fr);
  min-height: 27rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-signal-copy {
  padding: clamp(2rem, 5vw, 4rem);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-signal-copy h3 {
  margin: 1rem 0 1.35rem;
  color: #f3f4f8;
  font-family: var(--display);
  font-size: clamp(2rem, 3.45vw, 3.05rem);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.agent-signal-copy > p:last-child {
  margin: 0;
  color: #969fb3;
  font-size: 1rem;
  line-height: 1.65;
}

.agent-signal-bars {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2.8rem;
  padding: clamp(2rem, 5vw, 4rem);
}

.agent-signal-row {
  position: relative;
}

.agent-signal-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 0.75rem;
}

.agent-signal-label span {
  color: #adb4c4;
  font-size: 0.95rem;
}

.agent-signal-label strong {
  color: #b2b9c9;
  font-family: var(--display);
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.agent-signal-row.is-internal .agent-signal-label strong { color: var(--agent-red-bright); }

.agent-signal-track {
  position: relative;
  height: 1.1rem;
  overflow: hidden;
  border-radius: 1px;
  background: rgba(255, 255, 255, 0.055);
}

.agent-signal-track > span {
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--score) * 1%);
  background: linear-gradient(90deg, #687185, #939daf);
  transition: width 480ms cubic-bezier(.2,.8,.2,1), opacity 180ms ease;
}

.agent-signal-row.is-internal .agent-signal-track > span {
  background: linear-gradient(90deg, var(--agent-red), var(--agent-red-bright));
  box-shadow: 0 0 1.4rem rgba(234, 82, 107, 0.25);
}

.chance-line {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: -0.35rem;
  bottom: -0.35rem;
  width: 1px;
  border-left: 1px dashed rgba(255, 255, 255, 0.62);
}

.agent-signal-row small {
  display: block;
  margin-top: 0.65rem;
  color: #737d92;
  font-size: 0.75rem;
  line-height: 1.45;
}

.agent-signal-scale {
  display: flex;
  justify-content: space-between;
  margin-top: -1.9rem;
  color: #606a80;
  font-family: var(--mono);
  font-size: 0.62rem;
}

.agent-signal-scale span:nth-child(2) { transform: translateX(0.9rem); }

.agent-signal-demo > .agent-measure-note {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #717b90;
}

/* Results ---------------------------------------------------------------- */

.agent-results {
  overflow: hidden;
}

.agent-result-card {
  margin-top: 0;
  overflow: hidden;
  border: 1px solid rgba(20, 24, 36, 0.14);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 2.2rem 6rem rgba(28, 33, 50, 0.08);
}

.agent-chart-head {
  min-height: 5.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(20, 24, 36, 0.11);
  background: #f8f9fa;
}

.agent-chart-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem 1.2rem;
  color: #535b6c;
  font-size: 0.83rem;
  font-weight: 600;
}

.agent-chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

.agent-chart-legend i {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
}

.legend-qwen { background: #9ba2b0; }
.legend-llama { background: #707a92; }
.legend-dog { background: #5666d2; }
.legend-agent { background: #c83f58; box-shadow: 0 0 0 3px rgba(200, 63, 88, 0.1); }

.agent-result-chart-wrap {
  position: relative;
  min-width: 58rem;
  padding: 1rem 1.1rem 0.3rem;
}

.agent-result-chart {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.agent-svg-fallback {
  fill: #6b7280;
  font-family: var(--sans);
  font-size: 16px;
}

.agent-chart-grid {
  stroke: rgba(30, 35, 49, 0.1);
  stroke-width: 1;
}

.agent-chart-axis {
  fill: #8a91a0;
  font-family: var(--mono);
  font-size: 11px;
}

.agent-chart-row-label {
  fill: #333947;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
}

.agent-chart-row-label.is-tool {
  fill: #a83a50;
}

.agent-chart-row-sub {
  fill: #969dab;
  font-family: var(--mono);
  font-size: 8.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.agent-chart-row-line {
  stroke: rgba(30, 35, 49, 0.075);
  stroke-width: 1;
}

.agent-chart-range {
  stroke: rgba(82, 92, 119, 0.22);
  stroke-width: 2;
}

.agent-chart-dot {
  stroke: #fff;
  stroke-width: 2;
  transition: r 160ms ease, opacity 160ms ease;
}

.agent-chart-dot.qwen { fill: #9ba2b0; }
.agent-chart-dot.llama { fill: #707a92; }
.agent-chart-dot.dog { fill: #5666d2; }
.agent-chart-dot.agent { fill: #c83f58; }

.agent-chart-value {
  fill: #a52e47;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
}

.agent-chart-hit {
  fill: transparent;
  cursor: pointer;
}

.agent-chart-system-group.is-muted .agent-chart-dot,
.agent-result-chart.has-focus .agent-chart-system-group:not(.is-focused) .agent-chart-dot {
  opacity: 0.18;
}

.agent-chart-system-group.is-focused .agent-chart-dot {
  r: 8px;
}

.agent-chart-mean-band {
  fill: rgba(200, 63, 88, 0.045);
}

.agent-chart-tooltip {
  position: absolute;
  z-index: 5;
  min-width: 11rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(20, 24, 36, 0.16);
  border-radius: 3px;
  background: rgba(18, 21, 30, 0.96);
  color: #f5f6f8;
  font-size: 0.75rem;
  line-height: 1.45;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.agent-chart-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.agent-chart-tooltip b {
  display: block;
  color: #fff;
  font-family: var(--mono);
  font-size: 0.72rem;
}

.agent-result-story {
  max-width: 67rem;
  display: grid;
  grid-template-columns: minmax(14rem, 0.65fr) minmax(20rem, 1.35fr);
  gap: clamp(2rem, 7vw, 6rem);
  align-items: start;
  margin: clamp(4rem, 8vw, 7rem) auto 0;
}

.agent-result-story h3,
.agent-compound-copy h3,
.agent-direction-thesis h3 {
  margin: 0;
  color: #171b26;
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.4vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.agent-result-story p {
  margin: 0;
  color: #51596a;
  font-size: clamp(1.05rem, 1.65vw, 1.26rem);
  line-height: 1.75;
}

.agent-compound {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(17rem, 0.85fr) minmax(30rem, 1.15fr);
  gap: clamp(2rem, 5vw, 4rem);
  margin: clamp(2.8rem, 5vw, 4.5rem) auto 0;
  padding: clamp(2rem, 4vw, 3.2rem);
  border: 1px solid rgba(20, 24, 36, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.agent-compound-copy h3 {
  margin-top: 0.8rem;
  font-size: clamp(1.8rem, 3.2vw, 2.65rem);
}

.agent-compound-copy > p:last-child {
  margin: 1rem 0 0;
  color: #5b6374;
  font-size: 1rem;
  line-height: 1.65;
}

.agent-compound-rows {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
}

.agent-compound-row {
  display: grid;
  grid-template-columns: 6.3rem 1fr 1.5rem 1fr 1.5rem 1.15fr;
  align-items: center;
  gap: 0.45rem;
}

.agent-compound-model {
  color: #697182;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  line-height: 1.4;
}

.agent-compound-row > div {
  min-height: 5.2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0.8rem;
  border: 1px solid rgba(20, 24, 36, 0.12);
  background: #fff;
  text-align: center;
}

.agent-compound-row > div span {
  color: #7a8292;
  font-size: 0.62rem;
  line-height: 1.35;
}

.agent-compound-row > div strong {
  margin-top: 0.3rem;
  color: #2b303d;
  font-family: var(--display);
  font-size: 1.7rem;
  letter-spacing: -0.04em;
  line-height: 1;
}

.agent-compound-row > div.is-best {
  border-color: rgba(200, 63, 88, 0.34);
  background: rgba(200, 63, 88, 0.045);
}

.agent-compound-row > div.is-best strong { color: #c83f58; }

.agent-compound-row > i {
  position: relative;
  height: 1px;
  background: rgba(20, 24, 36, 0.2);
}

.agent-compound-row > i::after {
  content: "";
  position: absolute;
  right: 0;
  top: -0.2rem;
  width: 0.35rem;
  height: 0.35rem;
  border-top: 1px solid rgba(20, 24, 36, 0.36);
  border-right: 1px solid rgba(20, 24, 36, 0.36);
  transform: rotate(45deg);
}

.agent-raw-results {
  max-width: 69rem;
  margin: clamp(3.5rem, 7vw, 6rem) auto 0;
  border-top: 1px solid rgba(20, 24, 36, 0.16);
  border-bottom: 1px solid rgba(20, 24, 36, 0.16);
}

.agent-raw-results summary {
  position: relative;
  padding: 1.4rem 3rem 1.4rem 0;
  color: #242a36;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.055em;
  list-style: none;
}

.agent-raw-results summary::-webkit-details-marker { display: none; }

.agent-raw-results summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 50%;
  color: #c83f58;
  font-family: var(--sans);
  font-size: 1.7rem;
  font-weight: 400;
  transform: translateY(-52%);
}

.agent-raw-results[open] summary::after { content: "−"; }

.agent-table-group {
  padding: 1.5rem 0 2.4rem;
}

.agent-table-group + .agent-table-group {
  border-top: 1px solid rgba(20, 24, 36, 0.12);
}

.agent-table-group h3 {
  margin: 0;
  color: #252a36;
  font-size: 1.15rem;
}

.agent-table-group > p {
  margin: 0.45rem 0 1.2rem;
  color: #6b7384;
  font-size: 0.85rem;
}

.agent-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.agent-table-scroll table {
  width: 100%;
  min-width: 61rem;
  border-collapse: collapse;
  color: #3b4250;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
}

.agent-table-scroll th,
.agent-table-scroll td {
  padding: 0.75rem 0.6rem;
  border-bottom: 1px solid rgba(20, 24, 36, 0.09);
  text-align: right;
  white-space: nowrap;
}

.agent-table-scroll th:first-child,
.agent-table-scroll td:first-child,
.agent-table-scroll th:nth-child(2),
.agent-table-scroll td:nth-child(2) {
  text-align: left;
}

.agent-table-scroll thead th {
  color: #727a89;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.02em;
}

.agent-table-scroll tbody th { color: #303643; font-weight: 600; }

.agent-table-highlight { background: rgba(200, 63, 88, 0.042); }
.agent-table-highlight b { color: #b92e48; }

.agent-matched-table {
  table-layout: fixed;
}

.agent-matched-table .agent-col-backbone { width: 14%; }
.agent-matched-table .agent-col-readout { width: 18%; }

.agent-matched-table .agent-table-highlight td:nth-child(n+2) {
  text-align: right;
}

/* Method ----------------------------------------------------------------- */

.agent-method {
  background:
    linear-gradient(115deg, rgba(130, 144, 255, 0.045), transparent 36%),
    var(--agent-dark);
}

.agent-readout-demo {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(13, 17, 28, 0.88);
}

.agent-readout-board {
  min-height: 29rem;
  padding: clamp(0.5rem, 2vw, 1.5rem);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-readout-board svg {
  width: 100%;
  height: auto;
  display: block;
}

.readout-node {
  fill: rgba(255, 255, 255, 0.025);
  stroke: rgba(255, 255, 255, 0.16);
  stroke-width: 1;
}

.readout-trajectory-row {
  fill: rgba(130, 144, 255, 0.1);
  stroke: rgba(130, 144, 255, 0.25);
}

.readout-small-label {
  fill: #758097;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.readout-main-label {
  fill: #c5cad5;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
}

.readout-layer {
  fill: rgba(130, 144, 255, 0.07);
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 1;
}

.readout-layer.is-selected {
  fill: rgba(90, 201, 189, 0.13);
  stroke: rgba(90, 201, 189, 0.8);
  stroke-width: 2;
}

.readout-layer.is-final {
  fill: rgba(130, 144, 255, 0.13);
  stroke: rgba(130, 144, 255, 0.65);
}

.readout-wire {
  fill: none;
  stroke: rgba(255, 255, 255, 0.18);
  stroke-width: 1.5;
}

.readout-wire.is-active {
  stroke: var(--agent-teal);
  stroke-width: 2;
  filter: drop-shadow(0 0 5px rgba(90, 201, 189, 0.3));
}

.readout-wire.is-generated {
  stroke: var(--agent-blue);
  stroke-width: 2;
}

.readout-probe {
  fill: rgba(90, 201, 189, 0.11);
  stroke: rgba(90, 201, 189, 0.68);
  stroke-width: 1.5;
}

.readout-output {
  fill: rgba(234, 82, 107, 0.1);
  stroke: rgba(234, 82, 107, 0.65);
  stroke-width: 1.5;
}

.readout-score {
  fill: #ff7589;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 700;
}

.readout-token {
  fill: rgba(130, 144, 255, 0.11);
  stroke: rgba(130, 144, 255, 0.52);
}

.agent-readout-caption {
  margin: 0;
  padding: 1.3rem clamp(1.3rem, 3vw, 2rem);
  color: #8e98ac;
  font-size: 0.93rem;
  line-height: 1.55;
}

.agent-readout-caption b { color: #dfe2e9; }

.agent-method-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(4rem, 8vw, 7rem);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.agent-method-steps article {
  padding: 2rem clamp(1rem, 3vw, 2.2rem) 0;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-method-steps article:first-child {
  padding-left: 0;
  border-left: 0;
}

.agent-method-steps article > span {
  color: var(--agent-red-bright);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.agent-method-steps h3 {
  margin: 1rem 0 0.75rem;
  color: #eff1f5;
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.agent-method-steps p {
  max-width: 17rem;
  margin: 0;
  color: #8791a7;
  font-size: 0.92rem;
  line-height: 1.6;
}

.agent-parameter-line {
  display: grid;
  grid-template-columns: 1fr auto 1fr 0.8fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: center;
  margin-top: clamp(3.5rem, 7vw, 6rem);
  padding: 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.agent-parameter-line > div {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
}

.agent-parameter-line strong {
  color: #f4f5f8;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.agent-parameter-line span,
.agent-parameter-line p {
  color: #7e889e;
  font-size: 0.78rem;
  line-height: 1.45;
}

.agent-parameter-line > i {
  width: 1px;
  height: 2.8rem;
  background: rgba(255, 255, 255, 0.12);
}

.agent-parameter-line p { margin: 0; }

/* Risk directions -------------------------------------------------------- */

.agent-directions-demo {
  margin-top: clamp(3.5rem, 7vw, 6rem);
  border: 1px solid rgba(20, 24, 36, 0.14);
  background: #fff;
  box-shadow: 0 2.2rem 6rem rgba(28, 33, 50, 0.08);
}

.agent-direction-controls {
  margin: 1.2rem;
}

.agent-direction-controls .risk-tool-dot { background: #187f77; }
.agent-direction-controls .risk-content-dot { background: #c83f58; }

.agent-directions-stage {
  display: grid;
  grid-template-columns: minmax(27rem, 1.3fr) minmax(18rem, 0.7fr);
  min-height: 34rem;
  border-top: 1px solid rgba(20, 24, 36, 0.11);
  border-bottom: 1px solid rgba(20, 24, 36, 0.11);
}

.agent-axis-plot {
  position: relative;
  min-height: 34rem;
  overflow: hidden;
  border-right: 1px solid rgba(20, 24, 36, 0.11);
  background: #f8f9fa;
}

.agent-axis-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(24, 30, 43, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 30, 43, 0.055) 1px, transparent 1px);
  background-size: 38px 38px;
}

.agent-axis {
  position: absolute;
  left: 21%;
  top: 62%;
  width: 59%;
  height: 1px;
  transform-origin: left center;
  transition: opacity 220ms ease, filter 220ms ease;
}

.agent-axis i {
  position: absolute;
  inset: 0;
  background: currentColor;
}

.agent-axis i::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 0.7rem;
  height: 0.7rem;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.agent-axis span {
  position: absolute;
  right: 0;
  bottom: 0.8rem;
  color: currentColor;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.axis-tool {
  color: #187f77;
  transform: rotate(-17deg);
}

.axis-tool span { transform: rotate(17deg); transform-origin: right bottom; }

.axis-content {
  color: #c83f58;
  transform: rotate(-105deg);
}

.axis-content span { transform: rotate(105deg); transform-origin: right bottom; }

.agent-axis-origin {
  position: absolute;
  left: calc(21% - 0.42rem);
  top: calc(62% - 0.42rem);
  width: 0.84rem;
  height: 0.84rem;
  border: 2px solid #353b49;
  border-radius: 50%;
  background: #fff;
}

.agent-axis-point {
  position: absolute;
  width: 1.05rem;
  height: 1.05rem;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 1px currentColor, 0 0 1.3rem currentColor;
  transition: opacity 220ms ease, transform 220ms ease;
}

.point-tool {
  left: 63%;
  top: 48%;
  color: rgba(24, 127, 119, 0.45);
  background: #187f77;
}

.point-content {
  left: 10%;
  top: 20%;
  color: rgba(200, 63, 88, 0.45);
  background: #c83f58;
}

.agent-axis-plot[data-active-risk="tool"] .axis-content,
.agent-axis-plot[data-active-risk="tool"] .point-content,
.agent-axis-plot[data-active-risk="content"] .axis-tool,
.agent-axis-plot[data-active-risk="content"] .point-tool {
  opacity: 0.17;
}

.agent-axis-plot[data-active-risk="tool"] .axis-tool,
.agent-axis-plot[data-active-risk="content"] .axis-content {
  filter: drop-shadow(0 0 5px currentColor);
}

.agent-cosine-badge {
  position: absolute;
  right: 8%;
  bottom: 8%;
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(20, 24, 36, 0.14);
  background: rgba(255, 255, 255, 0.88);
}

.agent-cosine-badge strong {
  color: #242a37;
  font-family: var(--display);
  font-size: 1.8rem;
  letter-spacing: -0.04em;
}

.agent-cosine-badge span {
  color: #767e8f;
  font-size: 0.7rem;
}

.agent-direction-readout {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem);
}

.agent-direction-readout h3 {
  margin: 1rem 0;
  color: #202531;
  font-family: var(--display);
  font-size: clamp(2rem, 3.6vw, 3.3rem);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.agent-direction-readout > p:not(.agent-demo-kicker) {
  margin: 0;
  color: #5d6575;
  font-size: 0.96rem;
  line-height: 1.65;
}

.agent-risk-mass {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(20, 24, 36, 0.12);
}

.agent-risk-mass strong {
  color: #187f77;
  font-family: var(--display);
  font-size: 3.7rem;
  letter-spacing: -0.06em;
  line-height: 1;
}

.agent-axis-plot[data-active-risk="content"] + .agent-direction-readout .agent-risk-mass strong {
  color: #c83f58;
}

.agent-risk-mass span {
  max-width: 11rem;
  color: #697182;
  font-size: 0.78rem;
  line-height: 1.45;
}

.agent-directions-demo > .agent-measure-note {
  color: #737b8c;
}

.agent-direction-thesis {
  max-width: 67rem;
  display: grid;
  grid-template-columns: minmax(19rem, 1fr) minmax(20rem, 1fr);
  gap: clamp(2rem, 7vw, 6rem);
  margin: clamp(4rem, 8vw, 7rem) auto 0;
}

.agent-direction-thesis h3 {
  font-size: clamp(2rem, 3.4vw, 3rem);
}

.agent-direction-thesis p {
  margin: 0;
  color: #535b6b;
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.7;
}

/* Efficiency ------------------------------------------------------------- */

.agent-efficiency {
  background:
    radial-gradient(circle at 75% 20%, rgba(90, 201, 189, 0.065), transparent 26rem),
    var(--agent-dark);
}

.agent-deployment-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.agent-deployment-rail article {
  min-height: 8.7rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.7rem clamp(1rem, 2.2vw, 1.8rem);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-deployment-rail article:first-child {
  padding-left: 0;
  border-left: 0;
}

.agent-deployment-rail strong {
  color: #f3f4f8;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.agent-deployment-rail article:first-child strong { color: var(--agent-teal-bright); }

.agent-deployment-rail span {
  max-width: 19ch;
  margin-top: 0.6rem;
  color: #8b95a9;
  font-size: 0.86rem;
  line-height: 1.45;
}

.agent-exit-demo {
  display: grid;
  grid-template-columns: minmax(18rem, 0.68fr) minmax(31rem, 1.32fr);
  min-height: 31rem;
  margin-top: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(13, 17, 28, 0.9);
}

.agent-exit-copy {
  padding: clamp(2rem, 5vw, 4rem);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-exit-tag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(90, 201, 189, 0.36);
  border-radius: 3px;
  background: rgba(90, 201, 189, 0.08);
  color: var(--agent-teal-bright);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.agent-exit-copy h3 {
  margin: 1.25rem 0 1rem;
  color: #f0f2f5;
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.4vw, 2.65rem);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.agent-exit-copy > p {
  margin: 0;
  color: #8e98ac;
  font-size: 0.96rem;
  line-height: 1.65;
}

.agent-exit-visual {
  display: grid;
  grid-template-rows: 1fr auto;
  padding: clamp(2rem, 5vw, 4rem);
}

.agent-exit-stack {
  position: relative;
  min-height: 16rem;
  display: flex;
  align-items: flex-end;
  gap: 0.28rem;
  padding-top: 2rem;
}

.agent-exit-stack::before {
  content: "LAYER 1";
  position: absolute;
  left: 0;
  top: 0;
  color: #647087;
  font-family: var(--mono);
  font-size: 0.61rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.agent-exit-stack::after {
  content: "LAYERS 24–36 · NOT NEEDED";
  position: absolute;
  right: 0;
  top: 0;
  color: #647087;
  font-family: var(--mono);
  font-size: 0.61rem;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.agent-exit-stack span {
  position: relative;
  flex: 1 1 0;
  height: 70%;
  border: 1px solid rgba(130, 144, 255, 0.2);
  background: rgba(130, 144, 255, 0.08);
  transition: opacity 260ms ease, transform 260ms ease, background 260ms ease;
}

.agent-exit-stack span.is-used {
  border-color: rgba(90, 201, 189, 0.42);
  background: rgba(90, 201, 189, 0.14);
}

.agent-exit-stack span.is-stop {
  border-color: var(--agent-red-bright);
  background: rgba(234, 82, 107, 0.25);
  box-shadow: 0 0 1rem rgba(234, 82, 107, 0.18);
  transform: translateY(-0.55rem);
}

.agent-exit-stack span.is-stop::after {
  content: "EXIT 23";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.8rem);
  padding: 0.25rem 0.4rem;
  border: 1px solid rgba(234, 82, 107, 0.42);
  background: #17111b;
  color: var(--agent-red-bright);
  font-family: var(--mono);
  font-size: 0.54rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transform: translateX(-50%);
}

.agent-exit-stack.is-early span:not(.is-used) {
  opacity: 0.13;
}

.agent-exit-readouts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

.agent-exit-readouts > div {
  min-height: 7.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 1.2rem;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.agent-exit-readouts > div:first-child { border-left: 0; padding-left: 0; }

.agent-exit-readouts strong {
  color: #f1f3f6;
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.agent-exit-readouts span {
  margin-top: 0.55rem;
  color: #778198;
  font-size: 0.72rem;
  line-height: 1.35;
}

.agent-exit-readouts .agent-exit-gain strong { color: var(--agent-teal-bright); }

.agent-cost-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.agent-cost-grid article {
  padding: clamp(1.7rem, 4vw, 3rem);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.025);
}

.agent-cost-grid h3 {
  margin: 0.65rem 0 2rem;
  color: #e9ebf0;
  font-family: var(--display);
  font-size: clamp(1.55rem, 2.8vw, 2.25rem);
  font-weight: 650;
  letter-spacing: -0.035em;
}

.agent-cost-bars {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.agent-cost-bars > div {
  display: grid;
  grid-template-columns: 6.7rem 1fr 4.1rem;
  gap: 0.8rem;
  align-items: center;
}

.agent-cost-bars span {
  color: #8b95a9;
  font-size: 0.72rem;
}

.agent-cost-bars i {
  height: 0.7rem;
  width: calc(var(--bar) * 1%);
  min-width: 3px;
  background: #5e687e;
}

.agent-cost-bars > div:first-child i {
  background: var(--agent-teal);
  box-shadow: 0 0 1rem rgba(90, 201, 189, 0.17);
}

.agent-cost-bars strong {
  color: #d8dce5;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-align: right;
}

.agent-efficiency-note {
  max-width: 59rem;
  padding: 1.3rem 0 0;
  color: #707a90;
}

/* Progressive reveal ----------------------------------------------------- */

.agent-enhanced .agent-page [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(.2,.75,.2,1);
}

.agent-enhanced .agent-page [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive ------------------------------------------------------------- */

@media (max-width: 1050px) {
  .agent-masthead-grid {
    grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.72fr);
    gap: 2.5rem;
  }

  .agent-hero-art {
    grid-template-columns: 5.5rem 1fr;
  }

  .agent-route-event span { display: none; }

  .agent-section-head {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .agent-section-head p { max-width: 39rem; }

  .agent-evidence-grid,
  .agent-mechanism-board {
    grid-template-columns: 1fr;
  }

  .agent-expression-panel {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  }

  .agent-signal-stage,
  .agent-directions-stage,
  .agent-exit-demo {
    grid-template-columns: 1fr;
  }

  .agent-signal-copy,
  .agent-axis-plot,
  .agent-exit-copy {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .agent-axis-plot {
    min-height: 30rem;
    border-bottom-color: rgba(20, 24, 36, 0.11);
  }

  .agent-signal-stage { min-height: 0; }

  .agent-compound {
    grid-template-columns: 1fr;
  }

  .agent-compound-copy { max-width: 37rem; }
}

@media (max-width: 850px) {
  .agent-nav-links a:nth-child(1),
  .agent-nav-links a:nth-child(4) { display: none; }

  .agent-masthead {
    min-height: 0;
  }

  .agent-masthead-grid {
    grid-template-columns: 1fr;
  }

  .agent-hero-copy { max-width: 46rem; }

  .agent-hero-art {
    grid-row: 3;
    max-width: 36rem;
    width: 100%;
    margin: 1.8rem auto 0;
  }

  .agent-proof-rail {
    grid-row: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-proof:nth-child(3) {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-left: 0;
  }

  .agent-proof:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .agent-deployment-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-deployment-rail article:nth-child(3) {
    padding-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 0;
  }

  .agent-deployment-rail article:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .agent-context-topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .agent-context-stage {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .agent-context-arrow {
    height: 2rem;
  }

  .agent-context-arrow span {
    width: 1px;
    height: 2rem;
  }

  .agent-context-arrow span::after {
    right: 50%;
    top: auto;
    bottom: 0;
    transform: translateX(50%) rotate(135deg);
  }

  .agent-transcript-card,
  .agent-schema-card { min-height: 21rem; }

  .agent-chart-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .agent-chart-legend { justify-content: flex-start; }

  .agent-result-card {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .agent-chart-head {
    position: sticky;
    left: 0;
    width: min(100vw - 2.5rem, 69rem);
  }

  .agent-result-story,
  .agent-direction-thesis {
    grid-template-columns: 1fr;
  }

  .agent-compound-row {
    grid-template-columns: 1fr 1.5rem 1fr 1.5rem 1.15fr;
  }

  .agent-compound-model {
    grid-column: 1 / -1;
  }

  .agent-method-steps {
    grid-template-columns: 1fr;
  }

  .agent-method-steps article,
  .agent-method-steps article:first-child {
    padding: 1.8rem 0;
    border-left: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .agent-method-steps p { max-width: 34rem; }

  .agent-parameter-line {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-parameter-line > i { display: none; }

  .agent-parameter-line p { grid-column: 1 / -1; }
}

@media (max-width: 660px) {
  .agent-nav { min-height: 4rem; }

  .agent-nav-inner {
    min-height: 4rem;
    gap: 0.75rem;
  }

  .agent-nav-links { gap: 0.65rem; }

  .agent-nav-home,
  .agent-nav-links a {
    font-size: 0.66rem;
  }

  .agent-masthead {
    padding-top: 7rem;
  }

  .agent-hero-copy h1 {
    font-size: clamp(3.35rem, 17vw, 5rem);
  }

  .agent-hero-claim {
    font-size: clamp(1.65rem, 7.5vw, 2.35rem);
  }

  .agent-proof {
    min-height: 8rem;
    padding: 1.35rem 0.85rem;
  }

  .agent-proof:nth-child(2),
  .agent-proof:nth-child(4) { padding-right: 0; }

  .agent-proof strong,
  .agent-proof:first-child strong { font-size: clamp(1.65rem, 8vw, 2.35rem); }
  .agent-proof span { font-size: 0.78rem; }

  .agent-hero-art {
    min-height: 27rem;
    grid-template-columns: 2rem 1fr;
  }

  .agent-hero-route { height: 18rem; }
  .agent-route-label { display: none; }
  .agent-route-event i { width: 1rem; height: 1rem; }
  .agent-hero-route::before { left: 0.48rem; top: 3.8rem; bottom: 2.4rem; }

  .agent-hero-model {
    min-height: 23rem;
    padding-inline: 1rem;
  }

  .agent-layer-stack { inset-inline: 1.2rem; }
  .agent-model-top { font-size: 0.5rem; }
  .agent-internal-readout { left: -1rem; width: 9.8rem; }
  .agent-visible-readout { right: 0.8rem; width: 9.5rem; }
  .agent-visible-readout span,
  .agent-internal-readout span { font-size: 0.5rem; }

  .agent-section-head h2 {
    font-size: clamp(2.15rem, 10vw, 3.25rem);
  }

  .agent-evidence-flow {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .agent-evidence-flow > i {
    justify-self: center;
    transform: rotate(90deg);
  }

  .agent-evidence-node {
    min-height: 0;
  }

  .agent-expression-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-expression-row > b {
    grid-column: 1 / -1;
  }

  .agent-expression-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .agent-context-switch,
  .agent-direction-controls,
  .agent-exit-switch {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-direction-controls {
    grid-template-columns: 1fr;
    margin: 0;
    padding: 1rem;
    border: 0;
    border-radius: 0;
  }

  .agent-direction-controls button { justify-content: center; }

  .agent-context-switch button,
  .agent-signal-switch button,
  .agent-mode-switch button,
  .agent-direction-controls button,
  .agent-exit-switch button {
    padding-inline: 0.55rem;
    font-size: 0.62rem;
  }

  .agent-context-stage { padding: 1rem; }

  .agent-signal-switch,
  .agent-mode-switch,
  .agent-exit-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-signal-stage { display: block; }

  .agent-signal-copy,
  .agent-signal-bars { padding: 1.6rem; }
  .agent-signal-bars { gap: 2.4rem; }

  .agent-result-story,
  .agent-compound,
  .agent-direction-thesis {
    margin-top: 3.5rem;
  }

  .agent-compound {
    padding: 1.3rem;
  }

  .agent-compound-row {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .agent-compound-row > i {
    width: 1px;
    height: 1rem;
    justify-self: center;
  }

  .agent-compound-row > i::after {
    right: -0.17rem;
    top: auto;
    bottom: 0;
    transform: rotate(135deg);
  }

  .agent-readout-board {
    min-height: 0;
    overflow-x: auto;
  }

  .agent-readout-board svg { min-width: 46rem; }

  .agent-result-card { overflow-x: visible; }

  .agent-result-chart-wrap {
    min-width: 0;
    padding-inline: 0.35rem;
  }

  .agent-chart-head {
    position: static;
    width: auto;
  }

  .agent-readout-board.is-compact {
    overflow-x: visible;
  }

  .agent-readout-board svg.is-compact {
    min-width: 0;
  }

  .readout-compact-label {
    font-size: 6px;
  }

  .agent-parameter-line {
    grid-template-columns: 1fr;
  }

  .agent-parameter-line > div {
    align-items: flex-start;
    flex-direction: column;
  }

  .agent-parameter-line p { grid-column: auto; }

  .agent-axis-plot { min-height: 24rem; }

  .agent-axis {
    left: 24%;
    top: 64%;
    width: 58%;
  }

  .agent-axis-origin {
    left: calc(24% - 0.42rem);
    top: calc(64% - 0.42rem);
  }

  .agent-axis span { font-size: 0.56rem; }
  .agent-cosine-badge { right: 4%; bottom: 4%; }

  .agent-direction-readout { padding: 1.8rem; }

  .agent-exit-visual { padding: 1.5rem; }

  .agent-exit-stack {
    min-height: 13rem;
    gap: 0.12rem;
  }

  .agent-exit-stack::after {
    max-width: 9rem;
    text-align: right;
  }

  .agent-exit-readouts {
    grid-template-columns: 1fr 1fr;
  }

  .agent-exit-readouts .agent-exit-gain {
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-left: 0;
  }

  .agent-cost-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 400px) {
  .agent-hero-links .chip {
    flex: 1 1 auto;
    justify-content: center;
  }

  .agent-proof span { font-size: 0.72rem; }

  .agent-context-topline,
  .agent-source-note,
  .agent-measure-note { padding-inline: 1rem; }

  .agent-context-thesis { padding-inline: 1rem; }

  .agent-context-switch { grid-template-columns: 1fr; }

  .agent-message code,
  .agent-schema-code code { font-size: 0.66rem; }

  .agent-signal-label span { font-size: 0.79rem; }

  .agent-cost-bars > div {
    grid-template-columns: 5.8rem 1fr 3.7rem;
    gap: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .agent-page *,
  .agent-page *::before,
  .agent-page *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Academic editorial skin -------------------------------------------------
   This final layer preserves the existing modules and interaction geometry
   while replacing the launch-page treatment with a restrained research-page
   language: warm paper, serif hierarchy, thin rules, and flat figures. */

.agent-page {
  --bg: #fbfaf7;
  --bg-raise: #ffffff;
  --ink: #242524;
  --ink-2: #515651;
  --ink-3: #666865;
  --line: #d5d7d2;
  --line-soft: #e4e5e0;
  --agent-red: #b44f60;
  --agent-red-bright: #b44f60;
  --agent-red-soft: #f3e5e8;
  --agent-teal: #397c73;
  --agent-teal-bright: #397c73;
  --agent-teal-soft: #e3efec;
  --agent-blue: #6673ad;
  --agent-paper: #fbfaf7;
  --agent-paper-raised: #ffffff;
  --agent-dark: #fbfaf7;
  --agent-dark-raised: #ffffff;
  --agent-dark-soft: #f1f2ef;
  --agent-radius: 2px;
  background: #fbfaf7;
  color: var(--ink);
}

.agent-page ::selection {
  background: #eadadd;
  color: #332428;
}

.agent-page :focus-visible {
  outline: 2px solid var(--agent-teal);
  outline-offset: 3px;
}

.agent-page .shell {
  max-width: 1160px;
}

.agent-page .section-label {
  margin-bottom: 2rem;
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.1em;
}

.agent-page .section-label::before {
  display: none;
}

.agent-page .section-label::after {
  background: var(--line);
}

.agent-page .agent-demo-kicker,
.agent-page .agent-chart-kicker,
.agent-page .agent-card-kicker {
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

/* Opaque academic navigation. */
.agent-nav {
  min-height: 3.9rem;
  border-bottom-color: var(--line-soft);
  background: rgba(255, 255, 255, 0.97);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.agent-nav-inner {
  min-height: 3.9rem;
}

.agent-nav-home,
.agent-nav-links a {
  font-family: var(--sans);
  letter-spacing: 0.01em;
}

.agent-nav-home {
  color: var(--ink-2);
  font-size: 0.84rem;
  font-weight: 600;
}

.agent-nav-home span {
  color: var(--agent-red);
}

.agent-nav-links a {
  color: var(--ink-3);
  font-size: 0.81rem;
  font-weight: 500;
}

.agent-nav-links a:hover,
.agent-nav-home:hover {
  color: var(--agent-red);
}

/* Title page. */
.agent-masthead {
  min-height: 0;
  padding: clamp(7.5rem, 11vw, 9rem) 0 clamp(3.5rem, 6vw, 5rem);
  background: #e8ebec;
  border-bottom: 1px solid var(--line);
  overflow: visible;
}

.agent-masthead::before,
.agent-masthead::after {
  display: none;
}

.agent-masthead-grid {
  grid-template-columns: minmax(0, 1fr) minmax(24rem, 0.9fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: center;
}

.agent-hero-copy .eyebrow {
  margin-bottom: 1.15rem;
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.agent-hero-copy .eyebrow b {
  color: var(--agent-red);
}

.agent-hero-copy h1 {
  color: var(--ink);
  font-size: clamp(3.9rem, 7vw, 6.4rem);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.agent-hero-claim {
  max-width: 22ch;
  margin-top: 1.35rem;
  color: var(--ink);
  font-size: clamp(1.55rem, 2.8vw, 2.2rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.17;
}

.agent-hero-deck {
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.68;
}

.agent-authors {
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0;
  line-height: 1.65;
}

.agent-authors b {
  color: var(--ink-2);
}

.agent-page .agent-hero-links .chip {
  min-height: 2.45rem;
  padding: 0.52rem 0.82rem;
  border-color: #c8cbc5;
  border-radius: 2px;
  background: transparent;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
}

.agent-page .agent-hero-links .chip:hover {
  border-color: var(--agent-red);
  background: #f7edef;
  color: var(--agent-red);
  transform: none;
}

.agent-page .agent-hero-links .chip-primary,
.agent-page .agent-hero-links .chip-primary:hover {
  border-color: var(--agent-red);
  background: var(--agent-red);
  color: #fff;
}

/* Hero diagram: a flat, captioned-figure treatment. */
.agent-hero-art {
  min-height: 29rem;
}

.agent-hero-route::before {
  background: linear-gradient(var(--agent-teal), var(--agent-blue), var(--agent-red));
}

.agent-route-label,
.agent-route-event,
.agent-model-top {
  color: var(--ink-3);
}

.agent-route-event i {
  border-color: #cbd0ca;
  background: #fbfaf7;
  box-shadow: inset 0 0 0 0.32rem #fbfaf7;
}

.event-user i {
  background: var(--agent-teal);
}

.event-tool i {
  background: var(--agent-blue);
}

.event-action i {
  background: var(--agent-red);
}

.agent-hero-model {
  min-height: 26rem;
  border-color: var(--line);
  background: #f2f3ef;
  box-shadow: none;
}

.agent-layer-stack span {
  border-color: #d1d5cf;
  background: #e1e3df;
}

.agent-layer-stack span::after {
  background: linear-gradient(var(--agent-red), #ead8dc);
}

.agent-layer-stack span:nth-child(8),
.agent-layer-stack span:nth-child(9),
.agent-layer-stack span:nth-child(10),
.agent-layer-stack span:nth-child(11) {
  border-color: #8eb8b0;
  background: #dceae6;
  box-shadow: none;
}

.agent-visible-readout,
.agent-internal-readout {
  border-radius: 1px;
  background: #fff;
  box-shadow: none;
}

.agent-visible-readout {
  border-color: #aeb5ce;
}

.agent-internal-readout {
  border-color: #c98c98;
}

.agent-visible-readout span,
.agent-internal-readout span {
  color: var(--ink-3);
}

.agent-visible-readout strong {
  color: #606a91;
}

.agent-internal-readout strong {
  color: var(--agent-red);
}

.agent-internal-readout::after {
  background: linear-gradient(90deg, var(--agent-red), transparent);
}

.agent-proof-rail {
  margin-top: clamp(2.7rem, 5vw, 4rem);
  border-color: var(--line);
}

.agent-proof {
  min-height: 7.8rem;
  border-left-color: var(--line-soft);
}

.agent-proof strong,
.agent-proof:first-child strong {
  color: var(--ink);
  font-size: clamp(1.55rem, 2.5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.agent-proof:first-child strong {
  color: var(--agent-red);
}

.agent-proof span {
  color: var(--ink-3);
  font-size: 0.82rem;
}

/* Editorial section rhythm. */
.agent-section,
.agent-section.light {
  --agent-red: #b44f60;
  --agent-red-bright: #b44f60;
  --agent-teal: #397c73;
  --agent-teal-bright: #397c73;
  --agent-blue: #6673ad;
  padding: clamp(4.8rem, 8vw, 7rem) 0;
  color: var(--ink);
}

.agent-mechanism {
  background: #fff;
}

.agent-results {
  background: #fbfaf7;
}

.agent-efficiency {
  background: #f4f3ef;
  border-top: 1px solid var(--line-soft);
}

.agent-section-head {
  grid-template-columns: minmax(0, 1.15fr) minmax(17rem, 0.85fr);
  align-items: start;
  margin-bottom: clamp(2.4rem, 4.5vw, 3.8rem);
}

.agent-section-head h2,
.agent-section-head-dark h2 {
  color: var(--ink);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.agent-section-head p,
.agent-section-head-dark p {
  color: var(--ink-2);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* Mechanistic evidence as two paper figures followed by a method figure. */
.agent-evidence-grid {
  gap: 1.15rem;
}

.agent-evidence-card,
.agent-mechanism-board,
.agent-result-card,
.agent-compound,
.agent-exit-demo {
  border-color: var(--line);
  border-radius: 2px;
  box-shadow: none;
}

.agent-evidence-card {
  background: #fff;
}

.agent-evidence-heading {
  border-bottom-color: var(--line-soft);
  background: #f6f6f3;
}

.agent-evidence-heading h3 {
  color: var(--ink);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 650;
}

.agent-evidence-heading p,
.agent-evidence-rule {
  color: var(--ink-3);
}

.agent-evidence-node {
  border-color: var(--line-soft);
  border-radius: 1px;
  background: #fafaf8;
}

.agent-evidence-node > span {
  color: var(--ink-3);
}

.agent-evidence-node p,
.agent-evidence-node code {
  color: var(--ink-2);
}

.agent-evidence-rule {
  border-top-color: var(--line-soft);
}

.agent-mechanism-board {
  background: #f4f4f1;
}

.agent-expression-panel {
  border-right-color: var(--line);
}

.agent-expression-panel h3,
.agent-proposal-panel h3 {
  color: var(--ink);
  font-size: clamp(1.55rem, 2.7vw, 2.15rem);
  font-weight: 650;
  letter-spacing: -0.035em;
}

.agent-expression-row > b {
  color: var(--ink-2);
}

.agent-expression-row span,
.agent-expression-row strong,
.agent-expression-note,
.agent-proposal-input span,
.agent-proposal-model > span,
.agent-proposal-score span,
.agent-proposal-model small,
.agent-proposal-panel > p:last-child {
  color: var(--ink-3);
}

.agent-expression-row > div > i {
  background: #dddfda;
}

.agent-expression-row em,
.agent-expression-row.is-tool em {
  background: var(--agent-red);
}

.agent-expression-row.is-tool em {
  background: var(--agent-blue);
}

.agent-expression-note {
  border-top-color: var(--line);
}

.agent-expression-note span {
  color: var(--ink-3);
}

.agent-proposal-flow > b {
  color: var(--agent-teal);
}

.agent-proposal-input,
.agent-proposal-model,
.agent-proposal-score {
  border-color: var(--line);
  border-radius: 1px;
  background: #fff;
}

.agent-proposal-model i {
  border-color: #ccd0dc;
  background: #e8eaf0;
}

.agent-proposal-model i.is-selected {
  border-color: #7faea5;
  background: #d8e9e4;
  box-shadow: none;
}

.agent-proposal-score {
  border-color: #a9c8c1;
  background: #edf5f2;
}

.agent-proposal-score strong {
  color: var(--agent-teal);
}

/* Results figure and tables. */
.agent-result-card {
  background: #fff;
}

.agent-chart-head {
  border-bottom-color: var(--line-soft);
  background: #f6f6f3;
}

.agent-chart-legend {
  color: var(--ink-2);
  font-size: 0.79rem;
  font-weight: 550;
}

.legend-agent {
  box-shadow: none;
}

.agent-chart-tooltip {
  border-color: #353b37;
  border-radius: 1px;
  background: rgba(35, 39, 36, 0.96);
}

.agent-result-story h3,
.agent-compound-copy h3 {
  color: var(--ink);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
}

.agent-result-story p,
.agent-compound-copy > p:last-child {
  color: var(--ink-2);
  font-size: 1rem;
}

.agent-compound {
  background: #f3f3f0;
}

.agent-compound-row > div {
  border-color: var(--line);
  background: #fff;
}

.agent-compound-row > div.is-best {
  border-color: #d3a4ac;
  background: #f8edef;
}

.agent-compound-model,
.agent-compound-row > div span {
  color: var(--ink-3);
}

.agent-compound-row > div strong {
  color: var(--ink);
}

.agent-compound-row > div.is-best strong {
  color: var(--agent-red);
}

.agent-raw-results,
.agent-table-group + .agent-table-group,
.agent-table-scroll th,
.agent-table-scroll td {
  border-color: var(--line-soft);
}

.agent-raw-results summary {
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.agent-table-scroll tbody tr:nth-child(odd) {
  background: #f6f6f3;
}

.agent-table-highlight {
  background: #f6e9ec !important;
}

/* Deployment section. */
.agent-deployment-rail {
  border-color: var(--line);
}

.agent-deployment-rail article {
  min-height: 7.8rem;
  border-left-color: var(--line-soft);
}

.agent-deployment-rail strong,
.agent-deployment-rail article:first-child strong {
  color: var(--ink);
  font-size: clamp(1.55rem, 2.5vw, 2.1rem);
}

.agent-deployment-rail article:first-child strong {
  color: var(--agent-teal);
}

.agent-deployment-rail span {
  color: var(--ink-3);
  font-size: 0.82rem;
}

.agent-exit-demo {
  background: #fff;
}

.agent-exit-copy {
  border-right-color: var(--line);
}

.agent-exit-tag {
  border-color: #a9c8c1;
  border-radius: 1px;
  background: #e8f2ef;
  color: var(--agent-teal);
  font-family: var(--sans);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
}

.agent-exit-copy h3 {
  color: var(--ink);
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  font-weight: 650;
  letter-spacing: -0.035em;
}

.agent-exit-copy > p,
.agent-efficiency-note {
  color: var(--ink-2);
}

.agent-exit-stack::before,
.agent-exit-stack::after {
  color: var(--ink-3);
}

.agent-exit-stack span {
  border-color: #ced2dc;
  background: #e8e9ed;
}

.agent-exit-stack span.is-used {
  border-color: #91b9b1;
  background: #dcebe7;
}

.agent-exit-stack span.is-stop {
  border-color: var(--agent-red);
  background: #e9cfd5;
  box-shadow: none;
}

.agent-exit-stack span.is-stop::after {
  border-color: #cc8c98;
  background: #fff;
  color: var(--agent-red);
}

.agent-exit-readouts {
  border-top-color: var(--line);
}

.agent-exit-readouts > div {
  border-left-color: var(--line-soft);
}

.agent-exit-readouts strong {
  color: var(--ink);
  font-size: clamp(1.55rem, 2.5vw, 2.1rem);
}

.agent-exit-readouts span {
  color: var(--ink-3);
}

.agent-exit-readouts .agent-exit-gain strong {
  color: var(--agent-teal);
}

/* Responsive: restate the intended stacking after the theme overrides. */
@media (max-width: 1050px) {
  .agent-section-head,
  .agent-evidence-grid,
  .agent-mechanism-board,
  .agent-exit-demo {
    grid-template-columns: 1fr;
  }

  .agent-expression-panel,
  .agent-exit-copy {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 850px) {
  .agent-masthead-grid {
    grid-template-columns: 1fr;
  }

  .agent-hero-art {
    grid-row: 3;
    max-width: 36rem;
    width: 100%;
    margin: 1.8rem auto 0;
  }

  .agent-proof-rail,
  .agent-deployment-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-proof:nth-child(3),
  .agent-proof:nth-child(4),
  .agent-deployment-rail article:nth-child(3),
  .agent-deployment-rail article:nth-child(4) {
    border-top: 1px solid var(--line-soft);
  }
}

@media (max-width: 660px) {
  .agent-nav,
  .agent-nav-inner {
    min-height: 3.75rem;
  }

  .agent-masthead {
    padding-top: 6.8rem;
  }

  .agent-hero-copy h1 {
    font-size: clamp(3.2rem, 16vw, 4.8rem);
  }

  .agent-hero-claim {
    font-size: clamp(1.45rem, 7vw, 2rem);
  }

  .agent-proof,
  .agent-deployment-rail article {
    min-height: 7.4rem;
  }

  .agent-evidence-flow {
    grid-template-columns: 1fr;
  }

  .agent-expression-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .agent-compound {
    padding: 1.3rem;
  }

  .agent-compound-row {
    grid-template-columns: 1fr;
  }

  .agent-exit-readouts .agent-exit-gain {
    border-top-color: var(--line-soft);
  }
}

/* SPIN-aligned paper structure ------------------------------------------
   Keep the paper's evidence and terminology in the foreground: a compact
   cover, restrained section hierarchy, and figures that carry the detail. */

.agent-masthead {
  padding: clamp(6.5rem, 9vw, 7.75rem) 0 clamp(3.25rem, 5vw, 4.5rem);
}

.agent-masthead-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(22rem, 0.9fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
}

.agent-hero-copy h1 {
  margin-bottom: 0.85rem;
  font-size: clamp(2.6rem, 4vw, 3.3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.045em;
}

.agent-hero-claim {
  max-width: 35ch;
  margin: 0 0 1.05rem;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.018em;
}

.agent-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0;
  margin: 0 0 1rem;
  padding: 0;
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.6;
  list-style: none;
}

.agent-keywords li + li::before {
  content: "\00b7";
  margin-inline: 0.55rem;
  color: var(--line);
}

.agent-authors {
  margin-top: 0;
  font-size: 0.8rem;
}

.agent-hero-links {
  gap: 0.45rem;
  margin-top: 1.45rem;
}

.agent-page .agent-hero-links .chip {
  min-height: 0;
  padding: 0.5rem 0.78rem;
  font-size: 0.72rem;
}

.agent-hero-art {
  min-height: clamp(22rem, 32vw, 27rem);
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0.9rem;
}

.agent-hero-route {
  height: 18rem;
  padding-top: 1rem;
}

.agent-hero-route::before {
  top: 2.5rem;
  bottom: 2.5rem;
}

.agent-hero-model {
  min-height: clamp(20rem, 29vw, 24rem);
  padding: 2.5rem 1.5rem 2rem;
}

.agent-layer-stack {
  inset: 2.5rem 1.6rem 5rem;
}

.agent-visible-readout,
.agent-internal-readout {
  width: auto;
  min-width: 5.4rem;
  justify-content: center;
  padding: 0.62rem 0.75rem;
}

.agent-visible-readout {
  right: 1rem;
  bottom: 0.9rem;
}

.agent-internal-readout {
  left: -0.85rem;
  bottom: 6.5rem;
}

.agent-section,
.agent-section.light {
  padding-block: clamp(3.75rem, 6vw, 5.5rem);
}

.agent-section-head {
  align-items: start;
  margin-bottom: clamp(1.8rem, 3vw, 2.6rem);
}

.agent-section-head-single {
  grid-template-columns: minmax(0, 1fr);
}

.agent-section-head h2,
.agent-section-head-dark h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.3rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.agent-section-head p,
.agent-section-head-dark p {
  max-width: 43ch;
  padding-top: 0.2rem;
  font-size: 0.98rem;
  line-height: 1.7;
}

.agent-motivation {
  border-bottom: 1px solid var(--line-soft);
}

.agent-evidence-heading {
  grid-template-columns: 1fr;
  gap: 0.35rem;
  padding: 1.15rem 1.25rem 1rem;
}

.agent-evidence-heading h3 {
  font-size: 1.15rem;
}

.agent-evidence-flow {
  grid-template-columns: minmax(0, 1.2fr) auto minmax(0, 0.9fr);
  gap: 0.55rem;
  padding: 1rem;
}

.agent-evidence-node {
  min-height: 7rem;
}

.agent-findings {
  border-bottom: 1px solid var(--line-soft);
  background: #f4f3ef;
}

.agent-findings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(16rem, 0.75fr);
  gap: 1rem;
}

.agent-finding-table,
.agent-direction-finding {
  border: 1px solid var(--line);
  background: #fff;
}

.agent-finding-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.agent-finding-table article {
  padding: clamp(1.2rem, 2.5vw, 1.8rem);
}

.agent-finding-table article + article {
  border-left: 1px solid var(--line-soft);
}

.agent-finding-table h3,
.agent-direction-finding h3 {
  margin: 0 0 1.2rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: -0.018em;
}

.agent-finding-table article > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.7rem;
  padding: 0.72rem 0;
  border-top: 1px solid var(--line-soft);
}

.agent-finding-table span {
  color: var(--ink-3);
  font-size: 0.78rem;
}

.agent-finding-table strong {
  color: var(--agent-red);
  font-family: var(--sans);
  font-size: 0.86rem;
  font-weight: 650;
  white-space: nowrap;
}

.agent-direction-finding {
  padding: clamp(1.2rem, 2.5vw, 1.8rem);
}

.agent-direction-finding > strong {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--agent-teal);
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  line-height: 1;
}

.agent-direction-finding h3 {
  margin-bottom: 0.7rem;
}

.agent-direction-finding p,
.agent-findings-note {
  color: var(--ink-2);
  font-size: 0.88rem;
  line-height: 1.65;
}

.agent-direction-finding p {
  margin: 0;
}

.agent-findings-note {
  max-width: 75ch;
  margin: 1.1rem 0 0;
}

.agent-method {
  border-bottom: 1px solid var(--line-soft);
  background: #fbfaf7;
}

.agent-method-intro {
  max-width: 68ch;
  margin: -1rem 0 2rem;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 1.03rem;
  line-height: 1.78;
}

.agent-method-figure {
  min-height: 15rem;
  display: grid;
  grid-template-columns: minmax(7rem, 0.7fr) auto minmax(18rem, 1.5fr) auto 5rem auto 4.5rem;
  align-items: center;
  gap: clamp(0.5rem, 1.5vw, 1.15rem);
  padding: clamp(1.35rem, 3.5vw, 2.5rem);
  border: 1px solid var(--line);
  background: #fff;
}

.agent-method-figure > b {
  color: var(--ink-3);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 400;
}

.agent-method-trajectory {
  display: grid;
  gap: 0.45rem;
}

.agent-method-trajectory i {
  display: block;
  height: 0.72rem;
  border: 1px solid #cfd2cd;
  background: #ecece8;
}

.agent-method-trajectory i:nth-child(2) {
  width: 86%;
}

.agent-method-trajectory i:nth-child(3) {
  width: 94%;
  border-color: #b6c9c4;
  background: #e4efec;
}

.agent-method-trajectory i:nth-child(4) {
  width: 72%;
}

.agent-method-layer-stack {
  display: flex;
  align-items: stretch;
  gap: clamp(0.18rem, 0.7vw, 0.4rem);
  min-height: 8.5rem;
}

.agent-method-layer-stack > span {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.35rem;
  padding: 0.35rem 0.2rem;
  border: 1px solid #d6d8d3;
  background: #f0f1ee;
}

.agent-method-layer-stack i {
  display: block;
  height: 0.28rem;
  background: #d5d8d3;
}

.agent-method-layer-stack > span:nth-child(3) i:nth-child(2),
.agent-method-layer-stack > span:nth-child(5) i:first-child,
.agent-method-layer-stack > span:nth-child(6) i:nth-child(3),
.agent-method-layer-stack > span:nth-child(8) i:nth-child(2) {
  background: var(--agent-red);
}

.agent-method-layer-stack > span:nth-child(3),
.agent-method-layer-stack > span:nth-child(5),
.agent-method-layer-stack > span:nth-child(6),
.agent-method-layer-stack > span:nth-child(8) {
  border-color: #cba9af;
  background: #f7edef;
}

.agent-method-head,
.agent-method-score {
  min-height: 5rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: #f5f5f2;
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 650;
}

.agent-method-score {
  border-color: #a9c8c1;
  background: #edf5f2;
  color: var(--agent-teal);
  font-size: 1.05rem;
}

.agent-method-steps {
  margin-top: 0;
  border: 1px solid var(--line-soft);
  border-top: 0;
  background: #fff;
}

.agent-method-steps article,
.agent-method-steps article:first-child {
  padding: 1.35rem;
  border-color: var(--line-soft);
}

.agent-method-steps article > span {
  display: none;
}

.agent-method-steps h3 {
  margin: 0 0 0.5rem;
  color: var(--ink);
  font-size: 1.05rem;
}

.agent-method-steps p {
  color: var(--ink-2);
  font-size: 0.84rem;
}

.agent-results {
  background: #fff;
}

.agent-results .agent-proof-rail {
  grid-column: auto;
  grid-row: auto;
  margin: 0 0 clamp(2.5rem, 4vw, 3.6rem);
  border-block: 1px solid var(--line);
}

.agent-result-card {
  border-radius: 2px;
}

.agent-chart-head {
  min-height: 0;
  justify-content: flex-end;
  padding-block: 1rem;
}

.legend-agent-llama {
  background: var(--agent-teal);
}

.agent-chart-dot.agent-llama {
  fill: var(--agent-teal);
}

.agent-result-story {
  max-width: 68ch;
  display: block;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
}

.agent-result-story p {
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.75;
}

.agent-compound {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border-radius: 2px;
}

.agent-compound-copy h3 {
  margin-top: 0;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
}

.agent-raw-results {
  margin-top: clamp(2.5rem, 4.5vw, 4rem);
}

.agent-efficiency {
  background: #f4f3ef;
}

.agent-efficiency-comparison {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line-soft);
  border-top: 0;
  background: #fff;
}

.agent-efficiency-comparison article {
  padding: clamp(1.15rem, 2.5vw, 1.7rem);
}

.agent-efficiency-comparison article + article {
  border-left: 1px solid var(--line-soft);
}

.agent-efficiency-comparison h3 {
  margin: 0 0 0.55rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 650;
}

.agent-efficiency-comparison p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.83rem;
  line-height: 1.65;
}

.agent-exit-demo {
  min-height: 25rem;
  margin-top: 1rem;
  border-radius: 2px;
}

.agent-exit-copy h3 {
  margin-top: 0;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
}

.agent-exit-stack::after {
  content: "LAYERS 24\2013 36 \00b7  SKIPPED";
}

.agent-exit-stack span.is-stop::after {
  content: "EXIT 23";
}

@media (max-width: 1050px) {
  .agent-findings-grid,
  .agent-efficiency-comparison {
    grid-template-columns: 1fr;
  }

  .agent-efficiency-comparison article + article {
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }
}

@media (max-width: 850px) {
  .agent-nav-links a {
    display: block;
  }

  .agent-nav-links a:nth-child(1),
  .agent-nav-links a:nth-child(4) {
    display: block;
  }

  .agent-masthead-grid {
    grid-template-columns: 1fr;
  }

  .agent-hero-art {
    grid-row: 2;
  }

  .agent-finding-table {
    grid-template-columns: 1fr;
  }

  .agent-finding-table article + article {
    border-top: 1px solid var(--line-soft);
    border-left: 0;
  }

  .agent-method-figure {
    grid-template-columns: minmax(5rem, 0.6fr) auto minmax(14rem, 1.4fr) auto 4.5rem auto 4rem;
    gap: 0.5rem;
    padding-inline: 1rem;
  }
}

@media (max-width: 660px) {
  .agent-masthead {
    padding-top: 6.5rem;
  }

  .agent-hero-copy h1 {
    font-size: clamp(2.6rem, 14vw, 3.5rem);
  }

  .agent-hero-claim {
    font-size: clamp(1.25rem, 6.5vw, 1.6rem);
  }

  .agent-nav-links a {
    display: none;
  }

  .agent-nav-links a:nth-child(1),
  .agent-nav-links a:nth-child(3),
  .agent-nav-links a:nth-child(4) {
    display: block;
  }

  .agent-hero-art {
    min-height: 24rem;
  }

  .agent-section-head h2 {
    font-size: clamp(1.65rem, 8vw, 2.15rem);
  }

  .agent-method-intro {
    margin-top: -0.5rem;
  }

  .agent-method-figure {
    min-height: 0;
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .agent-method-figure > b {
    justify-self: center;
    transform: rotate(90deg);
  }

  .agent-method-trajectory {
    width: 8rem;
    justify-self: center;
  }

  .agent-method-layer-stack {
    width: 100%;
    min-height: 7rem;
  }

  .agent-method-head,
  .agent-method-score {
    width: 7rem;
    min-height: 3.6rem;
    justify-self: center;
  }

  .agent-result-chart-wrap {
    min-width: 0;
  }

  .agent-chart-legend {
    justify-content: flex-start;
  }
}