:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5e6a78;
  --soft: #eef2f7;
  --paper: #f7f9fc;
  --panel: rgba(255, 255, 255, 0.9);
  --line: rgba(23, 32, 42, 0.12);
  --blue: #2f6fed;
  --green: #18a058;
  --amber: #d9801f;
  --red: #d94841;
  --violet: #7657d6;
  --cyan: #138aa6;
  --shadow: 0 22px 60px rgba(27, 44, 67, 0.14);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: var(--font);
  background:
    linear-gradient(90deg, rgba(47, 111, 237, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(47, 111, 237, 0.07) 1px, transparent 1px),
    linear-gradient(135deg, #fbfcff 0%, #edf3f8 48%, #f9fbf7 100%);
  background-size: 42px 42px, 42px 42px, auto;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 14px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 18px;
  width: min(1180px, calc(100% - 28px));
  margin: 14px auto 0;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 14px 42px rgba(27, 44, 67, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: white;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--green));
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 14px;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 1px;
}

.deck-nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex: 1;
}

.deck-nav a,
.paper-link {
  border-radius: 8px;
  padding: 10px 12px;
  color: #465263;
  font-size: 13px;
  font-weight: 700;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.deck-nav a:hover,
.paper-link:hover {
  color: var(--ink);
  background: rgba(23, 32, 42, 0.07);
}

.paper-link {
  color: white;
  background: #17202a;
  white-space: nowrap;
}

.paper-link:hover {
  color: white;
  background: #000;
  transform: translateY(-1px);
}

.deck {
  width: min(1180px, calc(100% - 28px));
  margin: 18px auto 48px;
}

.slide {
  min-height: calc(100vh - 104px);
  margin: 0 0 22px;
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  scroll-margin-top: 94px;
  overflow: hidden;
}

.overview-slide {
  background:
    linear-gradient(135deg, rgba(47, 111, 237, 0.12), transparent 36%),
    linear-gradient(315deg, rgba(24, 160, 88, 0.12), transparent 42%),
    rgba(255, 255, 255, 0.82);
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(330px, 0.75fr);
  gap: 18px;
  min-height: calc(100vh - 172px);
}

.title-panel,
.identity-panel,
.thesis-panel,
.metric-card,
.pipeline-node,
.model-card,
.chart-panel,
.scoreboard,
.gain-card,
.takeaway-card,
.closing-band {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.title-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 5vw, 70px);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.72)),
    repeating-linear-gradient(135deg, rgba(47, 111, 237, 0.12) 0 1px, transparent 1px 16px);
}

.kicker {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 840px;
  margin-bottom: 20px;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 4vw, 50px);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.lede {
  max-width: 720px;
  margin-bottom: 0;
  color: #354153;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.45;
}

.metric-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  min-height: 150px;
  padding: 20px;
}

.metric-card.large {
  grid-column: span 2;
  min-height: 190px;
  background: #17202a;
  color: white;
}

.metric-card.winner {
  border-color: rgba(24, 160, 88, 0.45);
  background: linear-gradient(135deg, rgba(24, 160, 88, 0.16), rgba(255, 255, 255, 0.88));
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.metric-card.large .metric-label,
.metric-card.large span:last-child {
  color: rgba(255, 255, 255, 0.74);
}

.metric-card strong {
  display: block;
  margin: 14px 0 4px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 0.95;
  letter-spacing: 0;
}

.metric-card span:last-child {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.identity-panel,
.thesis-panel {
  padding: 22px;
}

.panel-heading,
.slide-header,
.chart-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.panel-heading {
  justify-content: flex-start;
  margin-bottom: 22px;
}

.section-number {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: white;
  background: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.identity-bars {
  display: grid;
  gap: 14px;
}

.identity-row {
  display: grid;
  grid-template-columns: 78px minmax(96px, 1fr) 58px;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 750;
}

.identity-row.muted {
  color: var(--muted);
}

.mini-track {
  height: 10px;
  border-radius: 999px;
  background: #dfe6ee;
  overflow: hidden;
}

.mini-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--green));
}

.note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.thesis-panel {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff8e9;
  border-color: rgba(217, 128, 31, 0.3);
}

.quote-mark {
  color: var(--amber);
  font-size: 74px;
  line-height: 0.8;
  font-family: Georgia, serif;
}

.thesis-panel p {
  margin: 0;
  font-size: 23px;
  font-weight: 800;
  line-height: 1.18;
}

.slide-header {
  margin-bottom: 28px;
  justify-content: flex-start;
}

.pipeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  position: relative;
}

.pipeline-node {
  position: relative;
  min-height: 244px;
  padding: 18px;
}

.pipeline-node::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -14px;
  width: 14px;
  height: 2px;
  background: var(--line);
}

.pipeline-node:last-child::after {
  display: none;
}

.pipeline-node.highlight {
  border-color: rgba(24, 160, 88, 0.42);
  background: linear-gradient(180deg, rgba(24, 160, 88, 0.14), rgba(255, 255, 255, 0.92));
}

.node-tag {
  display: inline-flex;
  margin-bottom: 42px;
  border-radius: 999px;
  padding: 6px 10px;
  color: #17202a;
  background: #e8eef7;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pipeline-node h3,
.model-card h3 {
  margin-bottom: 8px;
}

.pipeline-node p,
.model-card p,
.takeaway-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

code {
  font-family: var(--mono);
  font-size: 12px;
  color: #284b81;
}

.model-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.model-card {
  padding: 20px;
  min-height: 154px;
}

.model-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.model-card strong {
  display: block;
  margin: 12px 0 8px;
  font-size: 27px;
}

.model-card.baseline {
  border-top: 5px solid #687385;
}

.model-card.cda {
  border-top: 5px solid var(--green);
}

.model-card.adversarial {
  border-top: 5px solid var(--amber);
}

.config-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.config-ribbon span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 13px;
  background: rgba(255, 255, 255, 0.72);
  color: #344050;
  font-size: 13px;
  font-weight: 800;
}

.results-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.8fr);
  gap: 16px;
}

.chart-panel,
.scoreboard,
.gain-card {
  padding: 20px;
}

.chart-header {
  margin-bottom: 16px;
}

.chart-header h3 {
  margin-bottom: 0;
}

.chart-header span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.fairness-chart {
  display: grid;
  gap: 14px;
}

.metric-group {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.metric-name {
  color: #334052;
  font-size: 13px;
  font-weight: 850;
}

.bar-stack {
  display: grid;
  gap: 8px;
}

.bar-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) 52px;
  align-items: center;
  gap: 10px;
}

.bar-label,
.bar-value {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.bar-value {
  text-align: right;
}

.bar-track {
  height: 16px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  transform-origin: left;
  animation: grow 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.bar-fill.baseline {
  background: #687385;
}

.bar-fill.cda {
  background: var(--green);
}

.bar-fill.adversarial {
  background: var(--amber);
}

@keyframes grow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.scoreboard {
  align-self: start;
  overflow: auto;
}

.scoreboard table {
  width: 100%;
  border-collapse: collapse;
  min-width: 430px;
}

th,
td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  font-size: 13px;
}

th:first-child,
td:first-child {
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

td {
  font-weight: 800;
}

tr.best-row {
  background: rgba(24, 160, 88, 0.08);
}

.model-pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 6px 9px;
  color: white;
  font-size: 11px;
  font-weight: 850;
}

.model-pill.baseline {
  background: #687385;
}

.model-pill.cda {
  background: var(--green);
}

.model-pill.adversarial {
  background: var(--amber);
}

.gain-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-column: 1 / -1;
  gap: 14px;
}

.gain-card {
  background: #f0fbf4;
  border-color: rgba(24, 160, 88, 0.28);
}

.gain-card.warning {
  background: #fff5e8;
  border-color: rgba(217, 128, 31, 0.28);
}

.gain-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.gain-card strong {
  display: block;
  margin: 10px 0 4px;
  color: var(--green);
  font-size: clamp(38px, 5vw, 62px);
  line-height: 0.95;
}

.gain-card.warning strong {
  color: var(--amber);
}

.gain-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 750;
}

.analysis-graphs {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 16px;
  margin-top: 16px;
}

.chart-panel.compact {
  min-height: 320px;
}

.group-chart {
  display: grid;
  grid-template-columns: 82px repeat(3, minmax(0, 1fr));
  gap: 10px 12px;
  align-items: end;
}

.group-head,
.group-name,
.group-cell {
  font-size: 12px;
  font-weight: 850;
}

.group-head {
  color: var(--muted);
  text-align: center;
}

.group-name {
  color: #334052;
}

.group-cell {
  display: grid;
  align-items: end;
  height: 46px;
  border-radius: 8px;
  padding: 5px;
  color: #17202a;
  background: #e8edf4;
  overflow: hidden;
  position: relative;
}

.group-cell i {
  position: absolute;
  inset: auto 0 0;
  height: var(--h);
  opacity: 0.75;
}

.group-cell span {
  position: relative;
  z-index: 1;
  justify-self: center;
}

.group-cell.baseline i {
  background: rgba(104, 115, 133, 0.58);
}

.group-cell.cda i {
  background: rgba(24, 160, 88, 0.62);
}

.group-cell.adversarial i {
  background: rgba(217, 128, 31, 0.6);
}

.tradeoff-chart {
  position: relative;
  height: 244px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(23, 32, 42, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(23, 32, 42, 0.08) 1px, transparent 1px),
    #f8fafc;
  background-size: 20% 20%;
}

.axis-label {
  position: absolute;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
  text-transform: uppercase;
}

.axis-label.x {
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
}

.axis-label.y {
  top: 50%;
  left: -30px;
  transform: rotate(-90deg) translateX(50%);
}

.point {
  position: absolute;
  transform: translate(-50%, -50%);
}

.point-dot {
  display: block;
  width: 18px;
  height: 18px;
  border: 3px solid white;
  border-radius: 50%;
  box-shadow: 0 8px 18px rgba(27, 44, 67, 0.25);
}

.point-label {
  position: absolute;
  left: 22px;
  top: -8px;
  padding: 5px 7px;
  border-radius: 6px;
  background: white;
  box-shadow: 0 8px 22px rgba(27, 44, 67, 0.12);
  font-size: 11px;
  font-weight: 850;
  white-space: nowrap;
}

.point.baseline .point-dot {
  background: #687385;
}

.point.cda .point-dot {
  background: var(--green);
}

.point.adversarial .point-dot {
  background: var(--amber);
}

.takeaway-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.takeaway-card {
  min-height: 280px;
  padding: 22px;
}

.takeaway-card.primary {
  background: #17202a;
  color: white;
}

.takeaway-card span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 54px;
  border-radius: 8px;
  color: white;
  background: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.takeaway-card.primary span {
  color: #17202a;
  background: #9af0bd;
}

.takeaway-card h3 {
  font-size: 24px;
  line-height: 1.08;
}

.takeaway-card.primary p {
  color: rgba(255, 255, 255, 0.74);
}

.closing-band {
  margin-top: 16px;
  padding: 26px 30px;
  background: linear-gradient(90deg, #fff8e9, #eefbf3);
}

.closing-band p {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
}

@media (max-width: 1040px) {
  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .deck-nav {
    order: 3;
    justify-content: flex-start;
    width: 100%;
    overflow-x: auto;
  }

  .overview-grid,
  .results-layout,
  .analysis-graphs {
    grid-template-columns: 1fr;
  }

  .pipeline,
  .takeaway-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pipeline-node::after {
    display: none;
  }
}

@media (max-width: 720px) {
  .deck,
  .topbar {
    width: calc(100% - 16px);
  }

  .topbar {
    top: 8px;
  }

  .brand {
    min-width: 0;
  }

  .paper-link {
    margin-left: auto;
  }

  .slide {
    min-height: auto;
    padding: 18px;
  }

  .metric-wall,
  .model-strip,
  .gain-stack,
  .pipeline,
  .takeaway-grid {
    grid-template-columns: 1fr;
  }

  .metric-card.large {
    grid-column: auto;
  }

  .identity-row {
    grid-template-columns: 72px minmax(80px, 1fr) 54px;
  }

  .group-chart {
    grid-template-columns: 72px repeat(3, minmax(72px, 1fr));
    overflow-x: auto;
  }

  .metric-group {
    grid-template-columns: 1fr;
  }

  .bar-row {
    grid-template-columns: 80px minmax(120px, 1fr) 48px;
  }
}