:root {
  --speaker-accent: #c84a38;
  --speaker-accent-soft: rgba(200, 74, 56, 0.08);
  --speaker-type-small: 12px;
  --speaker-type-micro: 10px;
}

.site-header {
  font-size: var(--speaker-type-small);
}

.speaker-hero {
  padding: 12px 0 108px;
}

.speaker-meta {
  display: flex;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  color: var(--muted);
  font-size: var(--speaker-type-micro);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.speaker-introduction {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(290px, 0.65fr);
  gap: clamp(44px, 7vw, 112px);
  align-items: end;
  margin-top: 48px;
}

.speaker-kicker {
  margin-bottom: 22px;
  color: var(--speaker-accent);
  font-size: var(--speaker-type-micro);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.speaker-introduction h1 {
  max-width: 1040px;
  margin: 0;
  font-size: clamp(54px, 6.8vw, 102px);
  letter-spacing: -0.045em;
  line-height: 0.91;
}

.speaker-deck {
  max-width: 420px;
  padding-bottom: 8px;
  color: var(--muted);
  font-family: var(--display);
  font-size: clamp(21px, 1.8vw, 28px);
  letter-spacing: -0.018em;
  line-height: 1.2;
}

.speaker-highlights {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  margin-top: 72px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.speaker-highlights > div {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px;
  align-items: baseline;
  min-height: 94px;
  padding: 18px 32px 18px 0;
}

.speaker-highlights > div + div {
  padding-left: 36px;
  border-left: 1px solid var(--rule);
}

.speaker-highlights strong {
  color: var(--speaker-accent);
  font-family: var(--display);
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.speaker-highlights span {
  max-width: 210px;
  color: var(--muted);
  font-size: var(--speaker-type-small);
  letter-spacing: 0.07em;
  line-height: 1.45;
  text-transform: uppercase;
}

.identity-field {
  display: grid;
  grid-template-columns: minmax(180px, 0.3fr) minmax(0, 0.7fr);
  margin-top: 18px;
  min-height: 294px;
  border-bottom: 1px solid var(--rule);
}

.identity-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px 32px 24px 0;
  color: var(--muted);
  font-size: var(--speaker-type-micro);
  letter-spacing: 0.06em;
  line-height: 1.35;
  text-transform: uppercase;
}

.identity-copy p:last-child {
  max-width: 150px;
}

.identity-visual {
  position: relative;
  overflow: hidden;
  border-left: 1px solid var(--rule);
  background:
    linear-gradient(rgba(27, 27, 24, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 27, 24, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
}

.identity-visual::after {
  position: absolute;
  top: 50%;
  left: 13%;
  width: 72%;
  border-top: 1px dashed rgba(27, 27, 24, 0.25);
  content: "";
}

.voice {
  position: absolute;
  z-index: 2;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid #9b9991;
  border-radius: 50%;
  background: var(--paper);
}

.voice i {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #77756d;
}

.voice--target {
  top: calc(50% - 31px);
  left: 10%;
  width: 62px;
  height: 62px;
  border-color: var(--speaker-accent);
  box-shadow: 0 0 0 12px var(--speaker-accent-soft), 0 0 0 27px rgba(200, 74, 56, 0.035);
}

.voice--target i {
  width: 11px;
  height: 11px;
  background: var(--speaker-accent);
}

.voice--one {
  top: 19%;
  left: 42%;
}

.voice--two {
  right: 27%;
  bottom: 14%;
}

.voice--three {
  top: 14%;
  right: 8%;
}

.noise-line {
  position: absolute;
  z-index: 1;
  height: 1px;
  background: rgba(27, 27, 24, 0.2);
  transform-origin: left;
}

.noise-line--one {
  top: 29%;
  left: 47%;
  width: 42%;
  transform: rotate(11deg);
}

.noise-line--two {
  right: 26%;
  bottom: 25%;
  width: 38%;
  transform: rotate(-19deg);
}

.noise-line--three {
  top: 58%;
  right: 7%;
  width: 35%;
  transform: rotate(27deg);
}

.identity-visual > p {
  position: absolute;
  z-index: 3;
  top: calc(50% - 12px);
  right: 9%;
  padding: 4px 8px;
  background: var(--paper);
  color: var(--speaker-accent);
  font-size: var(--speaker-type-micro);
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.speaker-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 56px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.speaker-details div {
  min-height: 102px;
  padding: 20px 22px 20px 0;
  border-right: 1px solid var(--rule);
}

.speaker-details div + div {
  padding-left: 22px;
}

.speaker-details div:last-child {
  border-right: 0;
}

.speaker-details dt {
  margin-bottom: 13px;
  color: var(--muted);
  font-size: var(--speaker-type-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.speaker-details dd {
  margin: 0;
  font-size: var(--speaker-type-small);
  line-height: 1.45;
}

.speaker-section {
  display: grid;
  grid-template-columns: minmax(180px, 22%) minmax(0, 1fr);
  gap: 5%;
  padding-block: 112px;
  border-top: 1px solid var(--rule);
  scroll-margin-top: 20px;
}

.section-label {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.section-label > p {
  padding-top: 5px;
  color: var(--muted);
  font-size: var(--speaker-type-micro);
  letter-spacing: 0.08em;
}

.section-label h2 {
  font-family: var(--display);
  font-size: clamp(28px, 2.7vw, 40px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.02;
}

.speaker-body {
  min-width: 0;
  max-width: 1080px;
}

.speaker-lead {
  max-width: 900px;
  font-family: var(--display);
  font-size: clamp(30px, 3.5vw, 50px);
  letter-spacing: -0.027em;
  line-height: 1.08;
}

.speaker-lead em {
  color: var(--speaker-accent);
  font-style: normal;
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.challenge-grid article {
  min-height: 330px;
  padding: 22px 30px 28px 0;
}

.challenge-grid article + article {
  padding-left: 30px;
  border-left: 1px solid var(--rule);
}

.challenge-grid span,
.dataset-eyebrow {
  display: block;
  margin-bottom: 78px;
  color: var(--speaker-accent);
  font-size: var(--speaker-type-micro);
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.challenge-grid h3,
.dataset-card h3 {
  max-width: 260px;
  font-family: var(--display);
  font-size: clamp(25px, 2.2vw, 32px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

.challenge-grid p {
  margin-top: 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.evaluation-intro {
  display: grid;
  grid-template-columns: 1fr minmax(230px, 0.42fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: end;
}

.evaluation-intro > p:last-child {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.condition-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 70px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.condition-grid > button {
  display: grid;
  min-width: 0;
  min-height: 104px;
  padding: 16px 20px 18px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.condition-grid > button + button {
  padding-left: 20px;
  border-left: 1px solid var(--rule);
}

.condition-grid > button:hover,
.condition-grid > button[aria-selected="true"] {
  background: var(--speaker-accent-soft);
}

.condition-grid > button:focus-visible {
  position: relative;
  z-index: 1;
  outline: 1px solid var(--speaker-accent);
  outline-offset: -4px;
}

.condition-grid span {
  color: var(--muted);
  font-size: var(--speaker-type-micro);
  letter-spacing: 0.08em;
}

.condition-grid strong {
  align-self: end;
  font-family: var(--display);
  font-size: clamp(18px, 1.7vw, 24px);
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.1;
}

.condition-grid > button[aria-selected="true"] strong {
  color: var(--speaker-accent);
}

.benchmark-preview {
  margin-top: 54px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.benchmark-preview-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.benchmark-preview-header p {
  font-family: var(--display);
  font-size: 21px;
  line-height: 1.1;
}

.benchmark-preview-header div > span {
  color: var(--muted);
  font-size: var(--speaker-type-micro);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.benchmark-preview-header div > span b {
  color: var(--speaker-accent);
  font-weight: 500;
}

.status-pill {
  padding: 5px 9px;
  border: 1px solid var(--rule);
  border-radius: 99px;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.benchmark-lines {
  padding-block: 8px;
}

.benchmark-line {
  display: grid;
  grid-template-columns: minmax(130px, 0.36fr) minmax(140px, 0.64fr) 24px;
  gap: 18px;
  align-items: center;
  min-height: 43px;
  color: var(--muted);
  font-size: var(--speaker-type-small);
}

.benchmark-line > span {
  line-height: 1.3;
}

.benchmark-line i {
  display: block;
  width: var(--value);
  height: 7px;
  background: #aaa89f;
  opacity: 0.62;
}

.benchmark-line--aircaps {
  color: var(--speaker-accent);
}

.benchmark-line--aircaps i {
  background: var(--speaker-accent);
  opacity: 1;
}

.benchmark-line strong {
  font-weight: 500;
  text-align: right;
}

.pending-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: var(--speaker-type-micro);
  line-height: 1.5;
}

.dataset-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 60px;
  align-items: end;
  padding: 38px 42px;
  border: 1px solid var(--rule);
  background: var(--speaker-accent-soft);
}

.dataset-eyebrow {
  margin-bottom: 52px;
}

.dataset-card h3 {
  max-width: 520px;
  font-size: clamp(34px, 4vw, 56px);
}

.dataset-card p:last-child {
  max-width: 650px;
  margin-top: 30px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.dataset-link {
  display: flex;
  gap: 48px;
  min-width: 225px;
  justify-content: space-between;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  font-size: 12px;
  text-decoration: none;
}

.dataset-link:hover,
.dataset-link:focus-visible {
  border-color: var(--speaker-accent);
  color: var(--speaker-accent);
}

.speaker-cta {
  display: grid;
  grid-template-columns: minmax(180px, 22%) minmax(0, 1fr);
  gap: 5%;
  padding-block: 112px 132px;
  border-top: 1px solid var(--rule);
}

.speaker-cta > p {
  color: var(--muted);
  font-size: var(--speaker-type-micro);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.speaker-cta h2 {
  max-width: 820px;
  font-family: var(--display);
  font-size: clamp(43px, 5.2vw, 76px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 0.98;
}

.speaker-cta a {
  display: flex;
  justify-content: space-between;
  width: min(100%, 330px);
  margin-top: 58px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  text-decoration: none;
}

.site-footer > div {
  display: flex;
  gap: 28px;
}

@media (max-width: 900px) {
  .speaker-introduction {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .speaker-deck {
    max-width: 540px;
  }

  .speaker-section,
  .speaker-cta {
    grid-template-columns: 160px minmax(0, 1fr);
  }

  .challenge-grid {
    grid-template-columns: 1fr;
  }

  .challenge-grid article {
    min-height: auto;
    padding: 28px 0 34px;
  }

  .challenge-grid article + article {
    padding-left: 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .challenge-grid span {
    margin-bottom: 44px;
  }
}

@media (max-width: 800px) {
  .speaker-hero {
    padding: 60px 0 88px;
  }

  .speaker-meta {
    display: none;
  }

  .speaker-introduction {
    margin-top: 0;
  }

  .speaker-introduction h1 {
    font-size: clamp(51px, 13vw, 82px);
  }

  .speaker-highlights {
    margin-top: 62px;
  }

  .identity-field {
    grid-template-columns: 1fr;
  }

  .identity-copy {
    display: none;
  }

  .identity-visual {
    min-height: 250px;
    border-left: 0;
  }

  .speaker-section,
  .speaker-cta {
    grid-template-columns: 1fr;
    gap: 42px;
    padding-block: 82px;
  }

  .section-label {
    max-width: 330px;
  }

  .evaluation-intro {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .dataset-card {
    grid-template-columns: 1fr;
  }

  .condition-grid {
    grid-template-columns: 1fr 1fr;
  }

  .condition-grid > button:nth-child(3) {
    padding-left: 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .condition-grid > button:nth-child(4) {
    border-top: 1px solid var(--rule);
  }

}

@media (max-width: 560px) {
  .site-header {
    display: grid;
    gap: 18px;
  }

  .site-nav {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 8px 16px;
    font-size: var(--speaker-type-micro);
  }

  .speaker-highlights,
  .speaker-details {
    grid-template-columns: 1fr;
  }

  .speaker-highlights > div,
  .speaker-highlights > div + div {
    min-height: auto;
    padding: 24px 0;
    border-left: 0;
  }

  .speaker-highlights > div + div {
    border-top: 1px solid var(--rule);
  }

  .speaker-details div,
  .speaker-details div + div {
    min-height: auto;
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .speaker-details div:last-child {
    border-bottom: 0;
  }

  .voice--one {
    left: 50%;
  }

  .benchmark-line {
    grid-template-columns: minmax(112px, 0.55fr) minmax(80px, 0.45fr) 20px;
    gap: 10px;
  }

  .condition-grid {
    grid-template-columns: 1fr;
  }

  .condition-grid > button,
  .condition-grid > button + button,
  .condition-grid > button:nth-child(3),
  .condition-grid > button:nth-child(4) {
    min-height: 76px;
    padding: 14px 0;
    border-top: 1px solid var(--rule);
    border-left: 0;
  }

  .condition-grid > button:first-child {
    border-top: 0;
  }

  .dataset-card {
    gap: 50px;
    padding: 28px 24px;
  }

  .dataset-eyebrow {
    margin-bottom: 38px;
  }

  .site-footer > div {
    display: grid;
    gap: 7px;
    text-align: right;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}