/* case study pages */

.cs-head {
  padding-top: clamp(130px, 20vh, 200px);
}

.cs-title {
  margin-top: 28px;
  width: fit-content;
  font-size: clamp(min(68px, 17.5vw), 13vw, 196px);
  line-height: 0.88;
  letter-spacing: -0.065em;
  font-weight: 450;
}

.cs-lede {
  margin-top: 44px;
  max-width: 34ch;
  font-size: clamp(22px, 2.5vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.cs-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 64px;
}

.cs-meta > div {
  position: relative;
  padding-top: 14px;
}

.cs-meta > div::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: var(--line);
  transform-origin: 0 50%;
  transition: transform 1.3s var(--ease) calc(var(--d, 0s) + 0.1s);
}

.js .cs-meta > div:not(.in)::before {
  transform: scaleX(0);
}

.cs-meta dt {
  font-size: 13px;
  color: var(--ink-3);
}

.cs-meta dd {
  margin-top: 4px;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.cs-head .row {
  margin-top: 28px;
}

@media (max-width: 860px) {
  .cs-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.cs-figure {
  --r: 44px;
  margin-top: clamp(56px, 10vh, 112px);
  padding: clamp(24px, 5vw, 64px);
  background: var(--surface);
}

.cs-figure .fig-title {
  font-size: 15px;
  color: var(--ink-2);
  margin-bottom: 20px;
}

/* the body: sticky little headings on the left, writing on the right */

.cs-body {
  margin-top: clamp(64px, 12vh, 140px);
}

.cs-sec {
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: clamp(20px, 5vw, 64px);
  padding: clamp(48px, 8vh, 88px) 0;
  border-top: 1px solid var(--line);
}

.cs-h {
  position: sticky;
  top: 100px;
  align-self: start;
  font-size: 15px;
  font-weight: 400;
  color: var(--ink-3);
}

.cs-text {
  min-width: 0;
  max-width: 40rem;
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.65;
  color: var(--ink-2);
}

.cs-text > * + * {
  margin-top: 1.15em;
}

.cs-text strong {
  color: var(--ink);
  font-weight: 450;
}

.cs-text a:not(.btn) {
  color: var(--ink);
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 100% 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.4s var(--ease);
}

.cs-text a:not(.btn):hover {
  background-size: 0% 1px;
  background-position: 100% 100%;
}

.cs-text .fig {
  margin-top: 40px;
  margin-bottom: 40px;
}

.cs-text code:not(.cmd) {
  font-family: var(--sans);
  font-size: 0.82em;
  color: var(--ink);
  background: var(--surface);
  padding: 2px 7px;
  border-radius: 6px;
}

.cmd {
  --r: 18px;
  display: block;
  padding: 16px 20px;
  background: var(--ink);
  color: #eaeaea;
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre;
}

@media (max-width: 760px) {
  .cs-sec {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .cs-h {
    position: static;
  }
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
  font-size: 15px;
}

.specs div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.specs dt {
  color: var(--ink-3);
}

.specs dd {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

@media (max-width: 520px) {
  .specs {
    grid-template-columns: 1fr;
  }
}

/* one training step, split over the 8 chips */

.chips8 {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
}

.chips8 span {
  --r: 14px;
  position: relative;
  aspect-ratio: 1;
  background: var(--surface);
  overflow: hidden;
}

.chips8 span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform 0.9s var(--ease);
  transition-delay: calc(var(--k) * 70ms + 200ms);
}

.live .chips8 span::after,
html:not(.js) .chips8 span::after {
  transform: none;
}

.chips8-note {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-3);
}

/* numbers you can open up as a table */

.table-view {
  margin-top: 28px;
  font-size: 14px;
}

.table-view summary {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px var(--line);
  color: var(--ink-2);
  cursor: pointer;
  list-style: none;
  transition: box-shadow 0.2s ease, color 0.2s ease;
}

.table-view summary::-webkit-details-marker {
  display: none;
}

.table-view summary:hover {
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink-3);
}

.table-view[open] summary {
  margin-bottom: 12px;
}

.table-view table,
.cs-text table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.table-view th,
.table-view td,
.cs-text th,
.cs-text td {
  padding: 9px 12px 9px 0;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
}

.table-view th,
.cs-text th {
  color: var(--ink-3);
}

.cs-text td {
  color: var(--ink);
}

.num {
  text-align: right !important;
}

tr.hi td {
  font-weight: 500;
}

/* before and after numbers */

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

.pair > div {
  --r: 28px;
  padding: clamp(20px, 3vw, 32px);
  background: var(--bg);
}

.pair .big {
  display: block;
  margin-top: 10px;
  font-size: clamp(48px, 8vw, 112px);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.pair .was {
  color: var(--ink-4);
}

.pair .track {
  margin-top: 24px;
  height: 6px;
  border-radius: 6px;
  background: var(--surface);
  overflow: hidden;
}

.pair .track b {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 6px;
  transition: width 1.4s var(--ease) 0.3s;
}

.live .pair .track b,
html:not(.js) .pair .track b {
  width: var(--w);
}

.pair p {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-2);
}

@media (max-width: 560px) {
  .pair {
    grid-template-columns: 1fr;
  }
}

/* the chat format, taken apart */

.fmt {
  --r: 24px;
  padding: 24px;
  background: var(--surface);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 2.2;
  color: var(--ink);
}

.fmt span {
  padding: 3px 6px;
  border-radius: 6px;
  white-space: nowrap;
}

.fmt .ctl {
  background: var(--surface-2);
  color: var(--ink-2);
}

.fmt .you {
  background: var(--ink);
  color: #fff;
}

.fmt .bot {
  white-space: normal;
  box-shadow: inset 0 -2px 0 var(--ink);
  border-radius: 0;
  padding: 3px 0;
}

.fmt-key {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--ink-3);
}

/* a bar that shows how much of something got used */

.meter {
  display: grid;
  gap: 10px;
  font-size: 14px;
}

.meter-track {
  height: 12px;
  border-radius: 999px;
  background: var(--surface);
  overflow: hidden;
}

.meter-track b {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--ink);
  transition: width 1.4s var(--ease) 0.2s;
}

.live .meter-track b,
html:not(.js) .meter-track b {
  width: var(--w);
}

.meter-key {
  display: flex;
  justify-content: space-between;
  color: var(--ink-3);
}

/* out of 12 tries, how many said something normal */

.tries {
  display: grid;
  gap: 18px;
}

.tries-row {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) 64px;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}

.tries-row .cap {
  color: var(--ink-3);
}

.tries-dots {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 6px;
  max-width: 360px;
}

.tries-dots i {
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--surface-2);
  transform: scale(0.5);
  transition: transform 0.5s var(--ease), background-color 0.3s ease;
  transition-delay: calc(var(--k) * 60ms + 200ms);
}

.live .tries-dots i.ok,
html:not(.js) .tries-dots i.ok {
  background: var(--ink);
  transform: none;
}

.live .tries-dots i.no,
html:not(.js) .tries-dots i.no {
  background: var(--ink-3);
  transform: scale(0.72);
}

.tries-row .score {
  text-align: right;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* images from the paper are dark, so they sit in a dark frame */

.dark-fig {
  --r: 28px;
  padding: 16px;
  background: #111;
}

.dark-fig img {
  height: auto;
  width: 100%;
  border-radius: 12px;
}

figcaption {
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-3);
}

/* next one */

.cs-next {
  margin-top: clamp(64px, 12vh, 140px);
}

.next-card {
  --r: 44px;
  display: grid;
  gap: 18px;
  padding: clamp(28px, 5vw, 64px);
  background: var(--surface);
  transition: background-color 0.4s ease;
}

.next-card:hover {
  background: var(--surface-2);
}

.next-title {
  width: fit-content;
  font-size: clamp(56px, 10vw, 150px);
  line-height: 0.9;
  letter-spacing: -0.06em;
  font-weight: 450;
  transition: transform 0.8s var(--ease);
}

.next-card:hover .next-title {
  transform: translateX(12px);
}

.next-card p {
  max-width: 34rem;
  color: var(--ink-2);
}

/* tokens read per parameter, one tick each */

.ratio {
  display: grid;
  gap: 14px;
}

.ratio-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 16px;
  font-size: 14px;
}

.ratio-row b {
  font-weight: 400;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.ratio-row.muted span,
.ratio-row.muted b {
  color: var(--ink-3);
}

.ratio-ticks {
  --tick: var(--ink);
  height: 18px;
  width: calc(var(--n) / 24 * 100%);
  background: repeating-linear-gradient(90deg, var(--tick) 0 2px, transparent 2px calc(100% / var(--n)));
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.4s var(--ease) 0.2s;
}

.ratio-ticks.hot {
  --tick: var(--accent);
}

.ratio-ticks.faint {
  --tick: #c9c9c6;
}

.live .ratio-ticks,
html:not(.js) .ratio-ticks {
  clip-path: inset(0 0 0 0);
}

/* sprout: the data mix */

.mix-bar {
  display: flex;
  gap: 2px;
  height: 14px;
}

.mix-bar b {
  display: block;
  width: var(--w);
  background: var(--c);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.9s var(--ease);
  transition-delay: calc(var(--k) * 140ms + 150ms);
}

.mix-bar b:first-child {
  border-radius: 4px 0 0 4px;
}

.mix-bar b:last-child {
  border-radius: 0 4px 4px 0;
}

.live .mix-bar b,
html:not(.js) .mix-bar b {
  transform: none;
}

.mix-key {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 28px;
  margin-top: 22px;
}

.mix-key dt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--ink);
}

.mix-key dt i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.mix-key dt span {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.mix-key dd {
  margin-top: 4px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-3);
}

@media (max-width: 560px) {
  .mix-key {
    grid-template-columns: 1fr;
  }
}

/* sprout: sharded optimizer state */

.shards {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
}

.shards span {
  --r: 14px;
  position: relative;
  aspect-ratio: 0.8;
  border-radius: 14px;
  background: var(--ink);
  overflow: hidden;
}

.shards i {
  position: absolute;
  left: 0;
  right: 0;
  height: 12.5%;
  top: calc(var(--s) * 12.5%);
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.7s var(--ease);
  transition-delay: calc(var(--s) * 90ms + 250ms);
}

.live .shards i,
html:not(.js) .shards i {
  transform: none;
}

/* sprout: the wsd schedule shape */

.wsd svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.wsd-axis {
  stroke: var(--line);
  stroke-width: 1;
}

.wsd-mark {
  stroke: var(--ink-4);
  stroke-width: 1;
}

.wsd-line {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke-dashoffset 1.6s var(--ease) 0.2s;
}

.wsd-line.faint {
  stroke: #c9c9c6;
  transition-delay: 0.6s;
}

.live .wsd-line,
html:not(.js) .wsd-line {
  stroke-dashoffset: 0;
}

.wsd text {
  font-family: var(--sans);
  font-size: 12px;
  fill: var(--ink-3);
}

.wsd line,
.wsd path {
  vector-effect: non-scaling-stroke;
}

/* the svg scales down on phones, so the labels scale up to stay readable */
@media (max-width: 600px) {
  .wsd text {
    font-size: 22px;
  }
}

.wsd .cap {
  margin-top: 6px;
}

/* things a model wrote, set like quotes so they read as its words, not mine */
.samples {
  display: grid;
  gap: 12px;
}

.samples p {
  margin: 0;
  padding: 16px 18px;
  border-left: 2px solid var(--ink);
  background: var(--surface);
  border-radius: 0 14px 14px 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
}

.samples p::after {
  content: "…";
  color: var(--ink-3);
}

.gen .g {
  opacity: 0;
}

.gen .g.on {
  opacity: 1;
  transition: opacity 0.2s ease;
}

.gen p:not(.done)::after {
  content: none;
}