:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #faf4f1;
  --surface-strong: #f3e5de;
  --ink: #292321;
  --muted: #746a65;
  --quiet: #7f736d;
  --line: #e8ddd7;
  --line-bright: #cfbdb4;
  --signal: #b25741;
  --signal-on-surface: #aa533e;
  --signal-ink: #ffffff;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --max: 1360px;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", Baskerville, "Times New Roman", serif;
  font-family: var(--sans);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
  scrollbar-color: var(--line-bright) var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(178, 87, 65, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(178, 87, 65, 0.025) 1px, transparent 1px),
    var(--bg);
  background-size: 5rem 5rem;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

a {
  color: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 50;
  padding: 0.75rem 1rem;
  color: var(--signal-ink);
  background: var(--signal);
  font-size: 0.75rem;
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.5rem 2rem;
  width: min(100%, var(--max));
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  padding: 0.875rem var(--gutter) 0.75rem;
}

.masthead__copy {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  min-width: 0;
}

.eyebrow {
  margin: 0;
  color: var(--signal);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.masthead h1 {
  margin: 0;
  font-size: clamp(1.9rem, 2.25vw, 2.6rem);
  font-family: "Inter Tight", var(--sans);
  font-weight: 780;
  letter-spacing: -0.045em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.masthead__edition {
  margin: 0;
  border-left: 2px solid var(--signal);
  padding-left: 0.8rem;
  color: var(--quiet);
  font-size: 0.68rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.masthead__edition strong {
  color: var(--signal);
  font-size: 0.82rem;
  font-weight: 820;
}

.masthead__utility {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  min-width: 0;
}

.update-stamp {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0;
  color: var(--quiet);
  font-size: 0.82rem;
  white-space: nowrap;
}

.update-stamp span {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.update-stamp time {
  color: var(--ink);
  font-weight: 680;
}

.masthead__benchmarks {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
  border-left: 1px solid var(--line);
  padding-left: 1rem;
}

.benchmark-label {
  color: var(--signal);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.benchmark-name--compact {
  display: none;
}

.leaderboard-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  min-height: 2.75rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 720;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease;
}

.leaderboard-link:hover {
  color: var(--signal);
}

.leaderboard-link svg,
.model-link svg {
  width: 1.1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.year-signals {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  width: min(100%, var(--max));
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  padding: 0.6rem var(--gutter);
  background: var(--surface);
}

.year-signals .eyebrow {
  color: var(--signal-on-surface);
}

.signal-list {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.82rem;
  list-style: none;
  white-space: nowrap;
}

.signal-list li {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.signal-list li + li::before {
  margin: 0 0.8rem;
  color: var(--line-bright);
  content: "·";
}

.signal-list strong {
  color: var(--ink);
  font-weight: 760;
}

.share-page-link {
  min-height: 2.75rem;
  border: 0;
  border-bottom: 1px solid var(--signal);
  padding: 0.35rem 0;
  color: var(--signal);
  background: transparent;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
}

.share-page-link:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.timeline-section {
  width: min(100%, var(--max));
  margin: 0 auto;
  padding: 0 var(--gutter) 6rem;
}

.july-signal {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin: -0.5rem 0 3rem calc(var(--date-column) + var(--rail-column) + 1.25rem);
  border-top: 1px solid var(--line);
  padding: 0.8rem 0;
}

.july-signal[hidden] {
  display: none;
}

.july-signal p {
  margin: 0;
}

.july-signal > p:last-child {
  max-width: 60rem;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 0.92rem;
  line-height: 1.5;
}

.filter-shell {
  position: sticky;
  top: 0;
  z-index: 10;
  margin: 0 calc(var(--gutter) * -1) 1rem;
  border-bottom: 1px solid var(--line);
  padding: 0 var(--gutter);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
}

.filters {
  display: flex;
  width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.filters::-webkit-scrollbar {
  display: none;
}

.filter-list {
  display: contents;
}

.filter {
  flex: 1 1 0;
  min-width: 0;
  min-height: 2.75rem;
  border: 0;
  padding: 0 0.9rem;
  color: var(--quiet);
  background: transparent;
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
}

.filter span {
  margin-left: 0.35rem;
  color: var(--quiet);
  font-size: 0.75rem;
}

.filter:hover {
  color: var(--ink);
}

.filter.is-active {
  color: var(--signal);
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--signal);
}

.filter.is-active span {
  color: var(--signal);
}

.timeline-list {
  --date-column: 8.5rem;
  --rail-column: 3rem;
}

.timeline-month {
  position: relative;
  margin-bottom: 4rem;
}

.timeline-month:first-child {
  margin-bottom: 1.5rem;
}

.timeline-month:first-child::before {
  bottom: -1.5rem;
}

.timeline-month[hidden],
.launch-entry[hidden] {
  display: none;
}

.timeline-month::before {
  position: absolute;
  top: 4.75rem;
  bottom: -4rem;
  left: calc(var(--date-column) + var(--rail-column) / 2);
  width: 1px;
  background: var(--line);
  content: "";
}

.timeline-month:last-child::before {
  bottom: 0;
}

.month-heading {
  display: grid;
  grid-template-columns: calc(var(--date-column) + var(--rail-column)) 1fr;
  align-items: baseline;
  margin-bottom: 0.75rem;
}

.month-heading h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 780;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.month-heading span {
  color: var(--quiet);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.launch-entry {
  position: relative;
  display: grid;
  grid-template-columns: var(--date-column) var(--rail-column) minmax(0, 1fr);
  align-items: start;
  min-height: 9.5rem;
  scroll-margin-top: 4.75rem;
}

.launch-entry:target .entry-card {
  border-color: var(--signal);
  background: linear-gradient(90deg, color-mix(in srgb, var(--signal) 7%, transparent), transparent 52%);
}

.entry-date {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 1.5rem 1.5rem 0 0;
  color: var(--muted);
}

.entry-date strong {
  color: var(--ink);
  font-size: 2rem;
  font-weight: 720;
  letter-spacing: -0.06em;
}

.entry-date span,
.entry-date small {
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.entry-date small {
  color: var(--quiet);
}

.entry-rail {
  position: relative;
  z-index: 1;
  display: grid;
  padding-top: 2rem;
  place-items: start center;
}

.entry-dot {
  width: 0.7rem;
  height: 0.7rem;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 0 0.35rem var(--bg);
}

.launch-entry.is-latest .entry-dot {
  background: var(--accent);
  box-shadow: 0 0 0 0.35rem var(--bg), 0 0 1.5rem color-mix(in srgb, var(--accent) 55%, transparent);
}

.entry-card {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(12rem, 0.65fr);
  gap: clamp(2rem, 4vw, 4rem);
  min-height: 8.5rem;
  border-top: 1px solid var(--line);
  padding: 1.25rem 0 1.5rem 1.25rem;
  transition: border-color 180ms ease, background 180ms ease;
}

.launch-entry:hover .entry-card {
  border-color: var(--accent);
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 3%, transparent), transparent 42%);
}

.entry-card__main {
  min-width: 0;
}

.entry-company {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.latest-badge {
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.25rem 0.45rem;
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.entry-card h4 {
  margin: 0;
  font-size: clamp(1.55rem, 2vw, 2.35rem);
  font-weight: 710;
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.model-link {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.4rem;
  min-height: 1.5rem;
  color: inherit;
  text-decoration: none;
}

.model-link svg {
  color: var(--signal);
  margin-top: 0.1rem;
  transition: color 180ms ease, transform 180ms ease;
}

.model-link:hover {
  color: var(--accent);
}

.model-link:hover svg {
  transform: translate(0.12rem, -0.12rem);
}

.model-link:hover span,
.model-link:focus-visible span {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

.entry-summary {
  max-width: 42rem;
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
}

.entry-insight {
  max-width: 42rem;
  margin: 0.75rem 0 0;
  border-left: 2px solid var(--signal);
  padding-left: 0.75rem;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 0.92rem;
  line-height: 1.5;
}

.entry-insight span,
.entry-comparison span {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--signal);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.entry-card__aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 1.5rem;
  padding-top: 0.1rem;
}

.entry-status {
  border-left: 2px solid var(--signal);
  padding-left: 0.5rem;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.entry-comparison {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

.entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.entry-tags span {
  border: 1px solid var(--line-bright);
  border-radius: 999px;
  padding: 0.35rem 0.55rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.04em;
}

.evidence-link {
  display: inline-flex;
  margin-left: 0.2rem;
  color: inherit;
  font-size: 0.85em;
  text-decoration: none;
}

.evidence-link:hover {
  color: var(--signal);
}

.empty-state {
  border: 1px solid var(--line);
  padding: 4rem;
  text-align: center;
}

.empty-state p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.empty-state button {
  border: 0;
  border-bottom: 1px solid var(--signal);
  padding: 0.4rem 0;
  color: var(--signal);
  background: transparent;
  cursor: pointer;
}

.methodology {
  display: grid;
  grid-template-columns: 0.35fr 0.65fr 1.5fr;
  align-items: start;
  gap: clamp(2rem, 5vw, 6rem);
  border-top: 1px solid var(--line);
  padding: 3rem var(--gutter);
  background: var(--surface);
}

.methodology h2,
.methodology p {
  margin: 0;
}

.methodology h2 {
  font-size: 1.45rem;
  letter-spacing: -0.04em;
}

.methodology p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.methodology__copy {
  display: grid;
  gap: 1rem;
  max-width: 68ch;
}

.methodology__key {
  border-top: 1px solid var(--line-bright);
  padding-top: 0.75rem;
}

.methodology__key strong {
  color: var(--ink);
}

.methodology__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.rss-link,
.methodology-link {
  width: fit-content;
  color: var(--signal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.rss-link:hover,
.methodology-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 5rem;
  border-top: 1px solid var(--line);
  padding: 2rem var(--gutter);
  color: var(--muted);
}

.site-footer__credit {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.site-footer__credit a {
  color: var(--ink);
  font-weight: 760;
  text-underline-offset: 0.2rem;
}

.site-footer__credit a:hover {
  color: var(--signal);
}

.site-footer > a:last-child {
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

@media (max-width: 1024px) {
  .entry-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .entry-card__aside {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem;
  }

  .entry-status {
    grid-column: 1;
    grid-row: 1;
  }

  .entry-tags {
    grid-column: 2;
    grid-row: 1;
  }

  .entry-comparison {
    grid-column: 1 / -1;
    grid-row: 2;
    max-width: 42rem;
  }

  .methodology {
    grid-template-columns: 0.4fr 0.6fr 1fr;
  }
}

@media (max-width: 880px) {
  .masthead {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .masthead__utility {
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .filter-shell::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: calc(var(--gutter) + 1.75rem);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.98) 72%);
    content: "";
    pointer-events: none;
  }

  .filters {
    padding-right: 1.75rem;
  }

  .filter {
    flex: 0 0 auto;
    min-width: 5.5rem;
  }
}

@media (max-width: 760px) {
  .masthead {
    grid-template-columns: 1fr;
    gap: 0.4rem;
    padding-top: 0.875rem;
    padding-bottom: 0.6rem;
  }

  .masthead h1 {
    font-size: clamp(1.65rem, 5vw, 1.9rem);
  }

  .masthead__utility {
    display: grid;
    grid-template-columns: auto auto minmax(0, 1fr);
    justify-content: stretch;
    gap: 0.75rem;
  }

  .update-stamp span {
    display: none;
  }

  .masthead__benchmarks {
    display: flex;
    gap: 0.25rem;
    min-width: 0;
    padding-left: 0.75rem;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .masthead__benchmarks::-webkit-scrollbar {
    display: none;
  }

  .benchmark-label {
    display: none;
  }

  .benchmark-name--full {
    display: none;
  }

  .benchmark-name--compact {
    display: inline;
  }

  .leaderboard-link {
    flex: 0 0 auto;
    min-height: 2.75rem;
    gap: 0.15rem;
    font-size: 0.75rem;
  }

  .leaderboard-link svg {
    width: 0.75rem;
  }

  .year-signals {
    position: relative;
    display: grid;
    gap: 0.4rem;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    overflow: hidden;
  }

  .year-signals .eyebrow {
    white-space: nowrap;
  }

  .year-signals::after {
    position: absolute;
    right: 0;
    bottom: 0.5rem;
    width: calc(var(--gutter) + 1.5rem);
    height: 1.5rem;
    background: linear-gradient(90deg, transparent, var(--surface) 72%);
    content: "";
    pointer-events: none;
  }

  .signal-list {
    width: 100%;
    min-width: 0;
    padding-right: 1.5rem;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .signal-list::-webkit-scrollbar {
    display: none;
  }

  .timeline-section {
    padding-top: 0;
    padding-bottom: 5rem;
  }

  .filter-shell {
    margin-bottom: 2rem;
  }

  .timeline-list {
    --date-column: 0rem;
    --rail-column: 2rem;
  }

  .timeline-month {
    margin-bottom: 3rem;
  }

  .timeline-month::before {
    top: 4rem;
    bottom: -3rem;
    left: calc(var(--rail-column) / 2);
  }

  .july-signal {
    display: block;
    margin: -0.25rem 0 2.5rem calc(var(--rail-column) + 0.8rem);
    padding: 0.75rem 0;
  }

  .july-signal > p:last-child {
    margin-top: 0.4rem;
  }

  .month-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-left: calc(var(--rail-column) + 0.75rem);
  }

  .launch-entry {
    grid-template-columns: var(--rail-column) minmax(0, 1fr);
    min-height: 0;
    margin-bottom: 1.25rem;
  }

  .entry-date {
    grid-column: 2;
    gap: 0.3rem;
    padding: 0 0 0.6rem 0.8rem;
  }

  .entry-date strong {
    font-size: 1.15rem;
  }

  .entry-rail {
    grid-row: 1 / 3;
    padding-top: 0.35rem;
  }

  .entry-card {
    grid-column: 2;
    min-height: 0;
    gap: 1.25rem;
    padding: 1rem 0 1.25rem 0.8rem;
  }

  .entry-card h4 {
    font-size: clamp(1.6rem, 7vw, 2.15rem);
  }

  .entry-card__aside {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem;
  }

  .entry-status {
    grid-column: 1;
    grid-row: 1;
    line-height: 1.25;
  }

  .entry-comparison {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .entry-tags {
    grid-column: 2;
    grid-row: 1;
  }

  .entry-insight {
    font-size: 0.95rem;
  }

  .methodology {
    display: block;
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .methodology h2 {
    margin: 1rem 0 1.5rem;
  }

  .methodology p:last-child {
    margin-top: 1.5rem;
  }

  .site-footer {
    align-items: center;
    min-height: 5rem;
    gap: 1rem;
  }
}

@media (max-width: 360px) {
  .entry-card__aside {
    grid-template-columns: 1fr;
  }

  .entry-status {
    grid-column: 1;
    grid-row: 1;
  }

  .entry-tags {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .entry-comparison {
    grid-column: 1 / -1;
    grid-row: 3;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}