/* Homepage refinement based on the content ledger (2026-08-12). */
.nav-contact {
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.nav nav {
  align-items: center;
}

.nav nav a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  line-height: 1;
}

.hero {
  padding-top: 28px;
}

.hero-top {
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .75fr);
  align-items: stretch;
}

.portrait-stage {
  position: relative;
  min-height: 350px;
  max-height: 390px;
  overflow: hidden;
  background: #a8c3c6;
}

.portrait-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 43%;
  display: block;
  filter: saturate(.85) contrast(1.03);
}

.portrait-stage::after {
  content: "";
  position: absolute;
  inset: 42% 0 0;
  background: linear-gradient(transparent, rgba(12, 24, 30, .58));
  pointer-events: none;
}

.hero .portrait-stage h1 {
  position: absolute;
  left: 22px;
  bottom: 18px;
  z-index: 1;
  color: #f7f3e9;
  font-size: clamp(62px, 7.5vw, 112px);
  line-height: .78;
  text-shadow: 0 3px 24px rgba(0, 0, 0, .35);
}

.hero-intro {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px 2px 7px;
}

.fact-link {
  text-decoration: none;
}

.fact-link:hover b {
  color: var(--red);
}

.factbar {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.agent-console {
  background: #263f4e;
  padding: 28px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.agent-thread {
  width: 100%;
  display: grid;
  gap: 10px;
  font: 10px/1.55 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.agent-status {
  margin-bottom: 5px;
  color: #91a7b2;
  letter-spacing: .08em;
}

.agent-line {
  width: fit-content;
  max-width: 92%;
  padding: 10px 12px;
  border: 1px solid #ffffff2c;
  background: #172d3dcc;
  color: #d9e2e6;
  opacity: 0;
  transform: translateY(7px);
  transition: opacity .32s ease, transform .32s ease;
}

.agent-line.visible {
  opacity: 1;
  transform: none;
}

.agent-line.user {
  justify-self: end;
  background: #f1eee6;
  color: var(--ink);
  border-color: transparent;
}

.agent-line.tool {
  color: var(--gold);
  border-color: #e4cc7250;
}

.agent-cursor::after {
  content: "_";
  animation: cursor-blink .7s steps(1) infinite;
}

@keyframes cursor-blink { 50% { opacity: 0; } }

.feature-caption {
  grid-template-columns: repeat(3, 1fr);
}

.p-agent {
  display: grid;
  place-items: center;
  padding: 10px;
  background: #d7ddd9;
}

.p-agent::before,
.p-agent::after {
  content: none;
}

.floorplan {
  width: 100%;
  height: 100%;
}

.floor-shell,
.floor-wall {
  fill: #e8e7df;
  stroke: #566865;
  stroke-width: 3;
  stroke-linecap: square;
}

.floor-wall { fill: none; }

.floor-door {
  fill: none;
  stroke: #8b9691;
  stroke-width: 1;
}

.floor-bed,
.floor-table,
.floor-cabinet {
  fill: #c3cbc6;
  stroke: #687874;
  stroke-width: 1;
}

.floor-bed { fill: #cbbfa8; }
.floor-chair { fill: #9ba9a5; }

.floor-label {
  fill: #7b8783;
  font: 7px ui-monospace, monospace;
  letter-spacing: .08em;
}

.agent-route {
  fill: none;
  stroke: var(--red);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 6 5;
}

.point { stroke: #f1eee6; stroke-width: 2; }
.point-a { fill: var(--red); }
.point-b { fill: var(--navy); }

.point-text {
  fill: white;
  text-anchor: middle;
  font: 8px ui-monospace, monospace;
}

.p-undergrad {
  background: #d9d1bd;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  padding: 18px;
}

.p-trajectory {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  padding: 12px;
  background: #a7a197;
}

.manip-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(#d1d8d5 0 20%, #eeeae1 20%);
}

.manip-frame span {
  position: absolute;
  left: 8px;
  bottom: 6px;
  color: #77746d;
  font: 7px ui-monospace, monospace;
}

.gripper {
  position: absolute;
  width: 37px;
  height: 24px;
  left: 52%;
  top: 0;
  background: #53636a;
  border-radius: 0 0 7px 7px;
  box-shadow: inset -7px -5px #39474d;
}

.gripper::before,
.gripper::after {
  content: "";
  position: absolute;
  top: 19px;
  width: 7px;
  height: 25px;
  background: #53636a;
}

.gripper::before { left: 3px; transform: rotate(18deg); }
.gripper::after { right: 3px; transform: rotate(-18deg); }

.peg {
  position: absolute;
  left: 18%;
  bottom: 22px;
  width: 14px;
  height: 35px;
  border-radius: 7px 7px 4px 4px;
  background: linear-gradient(90deg, #526269, #9ca8a7 55%, #526269);
}

.fixture {
  position: absolute;
  right: 14%;
  bottom: 23px;
  width: 37px;
  height: 37px;
  border: 8px solid #a87531;
  transform: rotate(9deg);
  box-shadow: 0 5px 0 #65451f;
}

.edited .gripper { left: 60%; top: 5px; }
.edited .peg { left: 22%; }
.edited .fixture { right: 21%; transform: rotate(-4deg); }

.p-math {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  padding: 20px;
  background: #ded3b0;
}

.math-problem {
  text-align: center;
  font: 500 22px var(--serif);
}

.math-chain {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.math-chain span {
  padding: 7px 8px;
  border: 1px solid #786f57;
  background: #f3ecda;
  font: 8px ui-monospace, monospace;
  white-space: nowrap;
}

.math-chain b { color: var(--red); font-weight: 400; }

.p-dapo {
  position: relative;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 15px;
  padding: 18px;
  background: #c9d5d9;
}

.p-dapo strong {
  font: 500 23px var(--serif);
  color: var(--navy);
}

.dapo-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.dapo-flow span {
  padding: 7px 6px;
  border: 1px solid #607781;
  background: #eef1ed;
  font: 7px ui-monospace, monospace;
}

.dapo-flow b { color: var(--red); font-weight: 400; }

.p-dapo > i {
  color: #607781;
  font: 7px ui-monospace, monospace;
  letter-spacing: .08em;
}

.p-router {
  position: relative;
  display: grid;
  place-items: center;
  background: #b7c4c6;
}

.router {
  position: relative;
  width: 58%;
  height: 44px;
  margin-top: 34px;
  border: 2px solid var(--navy);
  border-radius: 9px 9px 14px 14px;
  background: #dfe4e1;
  box-shadow: 0 8px 0 #819296;
}

.antenna {
  position: absolute;
  bottom: 34px;
  width: 3px;
  height: 60px;
  background: var(--navy);
  transform-origin: bottom;
}

.antenna.left { left: 18px; transform: rotate(-14deg); }
.antenna.right { right: 18px; transform: rotate(14deg); }

.router-face {
  position: absolute;
  left: 16px;
  bottom: 10px;
  display: flex;
  gap: 7px;
}

.router-face i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 2px #ba3d2c20;
}

.wifi {
  position: absolute;
  left: 50%;
  top: 5px;
  width: 70px;
  height: 45px;
  transform: translateX(-50%);
}

.wifi i {
  position: absolute;
  left: 50%;
  bottom: 0;
  border: 2px solid var(--navy);
  border-bottom: 0;
  border-left-color: transparent;
  border-right-color: transparent;
  border-radius: 50% 50% 0 0;
  transform: translateX(-50%);
}

.wifi i:nth-child(1) { width: 18px; height: 10px; }
.wifi i:nth-child(2) { width: 39px; height: 21px; }
.wifi i:nth-child(3) { width: 64px; height: 34px; }

.p-router > small {
  position: absolute;
  right: 12px;
  bottom: 9px;
  color: #42575f;
  font: 7px ui-monospace, monospace;
}

.p-undergrad span {
  display: grid;
  place-items: center;
  background: #f1eee6;
  border: 1px solid #8f8a7e;
  font: 9px ui-monospace, monospace;
}

.contact {
  padding-top: 36px;
}

.contact h2 {
  font-size: clamp(30px, 5vw, 64px);
  margin-bottom: 28px;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  place-items: center;
  padding: 24px;
  background: #10191de8;
}

.contact-modal.show { display: grid; }

.contact-card {
  width: min(560px, 100%);
  background: var(--paper);
  color: var(--ink);
  border-top: 7px solid var(--red);
  padding: 30px;
  box-shadow: 0 30px 90px #0008;
}

.contact-card header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 28px;
}

.contact-card h2 {
  margin: 0;
  font: 400 38px/1 var(--serif);
}

.contact-close {
  border: 1px solid var(--ink);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.contact-list {
  display: grid;
  gap: 0;
  margin: 0;
}

.contact-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--soft);
}

.contact-item dt {
  color: var(--red);
  font: 9px ui-monospace, monospace;
}

.contact-item dd {
  margin: 0;
  font: 17px var(--serif);
}

.contact-item a { text-underline-offset: 5px; }

@media (max-width: 800px) {
  .nav nav {
    display: flex;
    margin: 0 0 0 auto;
  }

  .nav nav a:not(.nav-timeline) { display: none; }

  .nav-timeline {
    padding: 7px 11px;
    border: 1px solid var(--ink);
    border-radius: 999px;
  }

  .nav-contact { margin-left: 10px; }

  .hero { padding: 20px 16px 24px; }
  .hero-top { display: block; }
  .portrait-stage {
    height: 230px;
    min-height: 0;
    max-height: none;
  }
  .portrait-stage img { object-position: center 42%; }
  .portrait-stage::after {
    inset: 55% 0 0;
    background: linear-gradient(transparent, rgba(12, 24, 30, .68));
  }
  .hero .portrait-stage h1 {
    left: 14px;
    bottom: 11px;
    font-size: clamp(50px, 15vw, 64px);
    line-height: .82;
  }
  .hero-intro { margin-top: 18px; padding: 18px 0 0; }
  .factbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact-recruit { grid-column: 1 / -1; }
  .agent-console { min-height: 380px; padding: 20px; }
  .agent-line { max-width: 96%; }
  .contact-card { padding: 24px 20px; }
  .contact-item { grid-template-columns: 60px 1fr; gap: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .agent-line { opacity: 1; transform: none; transition: none; }
  .agent-cursor::after { animation: none; }
}