.tc-extra {
  max-width: 1140px;
  margin: 58px auto 0;
  padding: 0 44px 64px;
  color: var(--ink);
  font-family: "Space Grotesk", sans-serif;
}

.tc-extra * {
  box-sizing: border-box;
}

.tc-extra a {
  color: var(--accent);
}

.tc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--soft);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.tc-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.tc-section-title {
  margin: 0 0 18px;
  font-size: clamp(25px, 3.4vw, 38px);
  line-height: 1.08;
  font-weight: 400;
  letter-spacing: 0;
}

.tc-section-lede {
  margin: 0;
  max-width: 67ch;
  color: var(--soft);
  font-size: 18px;
  line-height: 1.58;
}

.tc-panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.62fr);
  gap: 26px;
  align-items: stretch;
  margin-top: 32px;
}

.tc-card,
.tc-artifact,
.tc-media-card,
.tc-script,
.tc-slide-card,
.tc-video-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--paper2) 64%, transparent);
}

.tc-card {
  padding: 22px;
}

.tc-card h3,
.tc-artifact h3,
.tc-media-card h3,
.tc-script h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0;
}

.tc-card p,
.tc-script p,
.tc-media-card p {
  margin: 0;
  color: var(--soft);
  line-height: 1.55;
}

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

.tc-proof {
  padding: 17px;
  border-top: 1px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 58%, transparent);
}

.tc-proof span {
  display: block;
  margin-bottom: 7px;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tc-proof p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
}

.tc-artifact {
  min-height: 336px;
  padding: 22px;
  overflow: hidden;
  position: relative;
}

.tc-artifact h3 {
  max-width: 17ch;
}

.tc-artifact p {
  margin: 0 0 20px;
  max-width: 28ch;
  color: var(--soft);
  font-size: 14.5px;
}

.tc-node-map {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.tc-node-map::before {
  content: "";
  position: absolute;
  inset: 20% 10%;
  border-top: 1px solid color-mix(in srgb, var(--soft) 35%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--soft) 20%, transparent);
  transform: rotate(-8deg);
  pointer-events: none;
}

.tc-node {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 74px;
  padding: 11px;
  border: 1px solid color-mix(in srgb, var(--line) 78%, var(--ink));
  border-radius: 50%;
  background: var(--paper);
  text-align: center;
  font-size: 12.5px;
  line-height: 1.18;
}

.tc-node:nth-child(3n + 1)::before,
.tc-node:nth-child(3n + 2)::before,
.tc-node:nth-child(3n)::before {
  content: "";
  position: absolute;
  top: 8px;
  right: 11px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.tc-node:nth-child(3n + 1)::before {
  background: #14a2ae;
}

.tc-node:nth-child(3n + 2)::before {
  background: #e1a81e;
}

.tc-node:nth-child(3n)::before {
  background: #e24a3b;
}

.tc-timeline {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.tc-time-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: start;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.tc-time-step strong {
  color: var(--accent);
  font-size: 18px;
  font-weight: 600;
}

.tc-time-step span {
  color: var(--soft);
  line-height: 1.45;
}

.tc-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--ink);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 18px;
}

.tc-split div {
  min-height: 128px;
  padding: 18px;
}

.tc-split div:nth-child(2) {
  background: #d45245;
  color: #fff;
}

.tc-split strong {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tc-score {
  display: grid;
  place-items: center;
  min-height: 190px;
  margin-top: 18px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 32% 35%, #14a2ae 0 8px, transparent 9px),
    radial-gradient(circle at 64% 40%, #e24a3b 0 7px, transparent 8px),
    radial-gradient(circle at 52% 62%, #e1a81e 0 11px, transparent 12px),
    color-mix(in srgb, var(--paper) 72%, transparent);
}

.tc-score strong {
  font-size: clamp(54px, 8vw, 88px);
  line-height: 1;
  color: #c86836;
}

.tc-score span {
  color: var(--soft);
  font-size: 19px;
}

.tc-media-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.tc-media-card {
  min-height: 190px;
  padding: 18px;
  position: relative;
  overflow: hidden;
}

.tc-media-card::after {
  content: "";
  position: absolute;
  inset: auto 18px 18px auto;
  width: 62px;
  height: 62px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--soft) 36%, transparent);
  background:
    linear-gradient(135deg, transparent 0 48%, color-mix(in srgb, var(--soft) 28%, transparent) 49% 51%, transparent 52%),
    radial-gradient(circle at 34% 34%, var(--accent) 0 5px, transparent 6px),
    var(--paper);
  opacity: 0.72;
}

.tc-media-card span,
.tc-slide-card span,
.tc-video-card span {
  display: block;
  margin-bottom: 12px;
  color: var(--soft);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tc-talk-media {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 18px;
  margin-top: 30px;
}

.tc-video-card {
  min-height: 290px;
  padding: 22px;
  display: grid;
  align-content: end;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 42%, color-mix(in srgb, var(--accent) 44%, transparent) 0 44px, transparent 45px),
    linear-gradient(135deg, var(--ink), #26323b);
  color: var(--paper);
}

.tc-video-card::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 74px;
  height: 74px;
  transform: translate(-50%, -50%);
  border: 1px solid color-mix(in srgb, var(--paper) 58%, transparent);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 0 37%, var(--paper) 38% 62%, transparent 63%),
    transparent;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  opacity: 0.9;
}

.tc-video-card h3,
.tc-video-card p {
  position: relative;
}

.tc-video-card p {
  color: color-mix(in srgb, var(--paper) 72%, transparent);
}

.tc-slide-deck {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.tc-slide-card {
  min-height: 138px;
  padding: 16px;
  background: var(--paper);
}

.tc-slide-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.16;
}

.tc-slide-card p {
  margin: 12px 0 0;
  color: var(--soft);
  font-size: 13.5px;
  line-height: 1.4;
}

.tc-script {
  margin-top: 26px;
  padding: 26px;
}

.tc-script-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.tc-script h4 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
}

.tc-script p {
  font-size: 15px;
}

.tc-next-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 26px 0 0;
}

.tc-next-list div {
  padding: 18px;
  border-top: 1px solid var(--ink);
  background: color-mix(in srgb, var(--paper) 58%, transparent);
}

.tc-next-list strong {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.tc-next-list p {
  margin: 0;
  color: var(--soft);
  font-size: 14.5px;
  line-height: 1.45;
}

@media (max-width: 820px) {
  body > div > div[style*="position:sticky"] > div:first-child {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    padding: 12px 20px !important;
  }

  body > div > div[style*="position:sticky"] > div:first-child > div:last-child {
    justify-self: start !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    gap: 18px !important;
    padding-bottom: 3px !important;
  }

  body > div > div[style*="position:sticky"] > div:first-child > div:nth-child(2) {
    justify-self: start !important;
  }

  body > div > div[style*="position:sticky"] > div:last-child {
    padding-left: 20px !important;
    padding-right: 20px !important;
  }

  body > div > div[style*="grid-template-columns:1.15fr 1fr"],
  body > div > div[style*="grid-template-columns:1.3fr 1fr"],
  body > div > div[style*="grid-template-columns:260px 1fr"],
  body > div > div[style*="grid-template-columns:1fr 260px"],
  body > div > div[style*="grid-template-columns:1.5fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  body > div [style*="grid-template-columns:repeat(3,1fr)"],
  body > div [style*="grid-template-columns:repeat(4,1fr)"],
  body > div [style*="grid-template-columns:repeat(5,1fr)"] {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  body > div [style*="padding:56px 44px"],
  body > div [style*="padding:52px 44px"],
  body > div [style*="padding:44px 44px"],
  body > div [style*="padding:0 44px"],
  body > div [style*="padding:34px 44px"],
  body > div [style*="padding:64px 44px"] {
    padding-left: 22px !important;
    padding-right: 22px !important;
  }

  .tc-extra {
    padding: 0 22px 48px;
    margin-top: 42px;
  }

  .tc-panel-grid,
  .tc-talk-media,
  .tc-proof-grid,
  .tc-media-grid,
  .tc-script-columns,
  .tc-next-list {
    grid-template-columns: 1fr;
  }

  .tc-slide-deck {
    grid-template-columns: 1fr;
  }

  .tc-artifact {
    min-height: auto;
  }

  .tc-node-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tc-split {
    grid-template-columns: 1fr;
  }
}