:root {
  --ink: #14243d;
  --ink-soft: #263852;
  --navy-deep: #071a33;
  --paper: #e4e9ef;
  --paper-deep: #edf1f5;
  --card: #f5f7fa;
  --white: #ffffff;
  --muted: #65748b;
  --annotation: #8a97a9;
  --line: #dce3ea;
  --blue: #7fa8ff;
  --highlight: #5574c7;
  --mint: #72e1be;
  --mint-deep: #2d8b72;
  --orange: #ff775c;
  --shadow: 0 18px 46px rgba(20, 36, 61, 0.08);
  --display: "Inter", sans-serif;
  --mono: "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--display);
  font-size: 15px;
  line-height: 1.6;
}

button,
a {
  font: inherit;
}

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

button {
  color: inherit;
}

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

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.page-shell {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 82px;
  padding: 10px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 247, 250, 0.96);
  backdrop-filter: blur(16px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  width: max-content;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 8px;
  background: var(--white);
}

.brand span,
.footer-brand span {
  display: grid;
  line-height: 1.1;
}

.brand strong,
.footer-brand strong {
  font-size: 13px;
  font-weight: 700;
}

.brand small,
.footer-brand small {
  margin-top: 4px;
  color: var(--annotation);
  font: 500 10px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.primary-nav {
  align-self: stretch;
  display: flex;
  align-items: stretch;
  gap: 30px;
}

.nav-link {
  position: relative;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: 600 11px/1 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.nav-link::after {
  position: absolute;
  right: 0;
  bottom: -10px;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mint), var(--blue));
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition: 180ms ease;
}

.nav-link.is-active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-links {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.header-links > a:hover {
  color: var(--ink);
}

.rules-link {
  margin-right: 8px;
}

.header-github {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
}

.header-github svg,
.repo-lockup svg {
  width: 17px;
  height: 17px;
  fill: currentColor;
}

.header-github:hover {
  border-color: var(--ink);
  background: var(--white);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 3px 3px 0 rgba(20, 36, 61, 0.18);
}

.view[hidden] {
  display: none !important;
}

.view.is-active {
  animation: view-in 300ms ease both;
}

@keyframes view-in {
  from { opacity: 0; transform: translateY(7px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(380px, 0.82fr);
  gap: clamp(40px, 7vw, 92px);
  align-items: center;
  min-height: 660px;
  margin-block: 24px;
  padding: 76px clamp(28px, 4vw, 58px) 84px;
  border: 1px solid rgba(20, 36, 61, 0.09);
  border-radius: 12px;
  background: var(--card);
}

.hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  background: url("assets/aml-textile-light.png") center / cover no-repeat;
  content: "";
  opacity: 0.5;
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 9%;
  bottom: 9%;
  left: 0;
  width: 3px;
  background: var(--mint);
  content: "";
}

.eyebrow,
.section-index,
.challenge-topline,
.benchmark-tag,
.release-pill,
.result-panel-head > div > span,
.category-panel > span {
  font: 600 11px/1.2 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 24px;
  color: var(--highlight);
}

.eyebrow > span {
  width: 30px;
  height: 2px;
  background: currentColor;
}

.hero h1,
.leaderboard-hero h1 {
  margin: 0;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero h1 {
  font-size: clamp(44px, 4.8vw, 68px);
}

.hero h1 > span {
  white-space: nowrap;
}

.hero h1 em,
.leaderboard-hero h1 em {
  color: var(--ink);
  font-style: normal;
  box-shadow: inset 0 -0.16em rgba(127, 168, 255, 0.34);
}

.hero-lede {
  max-width: 680px;
  margin: 28px 0 0;
  color: #3f4d60;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.7;
}

.hero-actions,
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translate(-2px, -2px);
}

.button-primary {
  color: var(--white);
  background: var(--ink);
  box-shadow: 4px 4px 0 rgba(114, 225, 190, 0.72);
}

.button-primary:hover {
  box-shadow: 7px 7px 0 rgba(114, 225, 190, 0.72);
}

.button-secondary {
  background: transparent;
}

.button-secondary:hover {
  background: var(--white);
  box-shadow: 4px 4px 0 var(--ink);
}

.hero-note {
  margin: 18px 0 0;
  color: var(--muted);
  font: 500 11px/1.5 var(--mono);
}

.challenge-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 466px;
  padding: 27px;
  border: 1px solid var(--ink);
  border-radius: 10px;
  color: var(--white);
  background:
    linear-gradient(rgba(114, 225, 190, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(114, 225, 190, 0.07) 1px, transparent 1px),
    var(--navy-deep);
  background-size: 36px 36px;
  box-shadow: 10px 10px 0 rgba(114, 225, 190, 0.62);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.challenge-card::before,
.challenge-card::after {
  position: absolute;
  border: 1px solid rgba(114, 225, 190, 0.32);
  border-radius: 50%;
  content: "";
}

.challenge-card::before {
  top: 46px;
  right: -84px;
  width: 250px;
  height: 250px;
}

.challenge-card::after {
  top: 77px;
  right: -53px;
  width: 186px;
  height: 186px;
}

.challenge-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 14px 14px 0 rgba(114, 225, 190, 0.62);
}

.challenge-topline,
.challenge-footer,
.challenge-title,
.countdown {
  position: relative;
  z-index: 1;
}

.challenge-topline,
.challenge-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.challenge-topline {
  color: #b6c4d8;
}

.challenge-topline > span:first-child {
  display: flex;
  align-items: center;
  gap: 8px;
}

.challenge-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.challenge-brand > img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 7px;
  background: var(--white);
}

.challenge-brand > span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.challenge-topline i,
.release-pill i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(114, 225, 190, 0.14);
}

.challenge-title {
  margin-top: 56px;
}

.challenge-title p {
  margin: 0 0 10px;
  color: var(--mint);
  font: 600 12px/1.3 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.challenge-title h2 {
  margin: 0;
  font-size: clamp(28px, 3.1vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.countdown {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 36px;
}

.countdown > span {
  display: grid;
  gap: 7px;
  min-width: 54px;
}

.countdown strong {
  font: 600 clamp(27px, 3vw, 40px)/1 var(--mono);
  letter-spacing: -0.05em;
}

.countdown small,
.challenge-footer small {
  color: #9cacbf;
  font: 500 9px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.countdown b {
  padding-top: 2px;
  color: var(--orange);
  font: 500 28px/1 var(--mono);
}

.challenge-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.challenge-footer > span:first-child {
  display: grid;
  gap: 8px;
}

.challenge-footer strong {
  font: 600 14px/1 var(--mono);
}

.challenge-arrow {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--mint);
  color: var(--mint);
  font-size: 19px;
}

.signal-strip {
  border-block: 1px solid var(--line);
  background: var(--card);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.signal-grid > span {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 24px 20px;
  border-right: 1px solid var(--line);
}

.signal-grid > span::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 0;
  width: 3px;
  background: var(--mint);
  content: "";
}

.signal-grid > span:first-child {
  border-left: 1px solid var(--line);
}

.signal-grid strong {
  font-size: 25px;
  line-height: 1;
  letter-spacing: -0.05em;
}

.signal-grid small {
  font: 500 10px/1.4 var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section {
  padding-block: 116px;
}

.section-heading {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 46px;
  align-items: start;
}

.section-index {
  margin: 8px 0 0;
  color: var(--highlight);
}

.section-heading h2,
.protocol-grid h2,
.capability-heading h2,
.closing-grid h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-heading > div > p {
  max-width: 760px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.78;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 70px;
}

.principle-grid article {
  position: relative;
  min-height: 250px;
  padding: 30px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--mint);
  border-radius: 8px;
  background: var(--card);
}

.principle-grid article > span,
.benchmark-number {
  color: var(--highlight);
  font: 600 12px/1 var(--mono);
}

.principle-grid h3 {
  margin: 58px 0 12px;
  font-size: 21px;
}

.principle-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.protocol-section {
  position: relative;
  overflow: hidden;
  padding-block: 112px;
  color: var(--white);
  background: var(--navy-deep);
}

.protocol-section::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(114, 225, 190, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(114, 225, 190, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
}

.protocol-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 76px;
  align-items: center;
}

.section-index-light {
  color: var(--mint);
}

.protocol-grid h2 {
  margin-top: 24px;
}

.protocol-grid h2 em {
  color: var(--mint);
  font-style: normal;
}

.protocol-grid > div > p:not(.section-index) {
  margin: 26px 0 0;
  color: #b9c6d6;
  font-size: 16px;
}

.protocol-grid > div > a {
  display: inline-flex;
  gap: 10px;
  margin-top: 30px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--mint);
  color: var(--mint);
  font: 600 12px/1.5 var(--mono);
}

.protocol-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.protocol-flow li {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 255px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.protocol-flow li:not(:last-child)::after {
  position: absolute;
  z-index: 1;
  top: 50%;
  right: -15px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: var(--ink);
  background: var(--white);
  content: "→";
  font-size: 11px;
}

.protocol-flow li > span,
.protocol-flow li > small {
  font: 500 9px/1.35 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.protocol-flow li > span {
  margin-bottom: auto;
  color: #8fa2b9;
}

.protocol-flow li > strong {
  margin-bottom: 11px;
  font-size: 24px;
}

.candidate-step {
  border-top-color: var(--mint) !important;
}

.platform-step {
  border-top-color: var(--orange) !important;
}

.compact-heading {
  margin-bottom: 64px;
}

.benchmark-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.benchmark-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 610px;
  padding: 34px;
  border: 1px solid var(--ink);
  border-left: 3px solid var(--mint);
  border-radius: 10px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.benchmark-card::after {
  position: absolute;
  top: -70px;
  right: -70px;
  width: 220px;
  height: 220px;
  border: 34px solid rgba(49, 94, 251, 0.08);
  border-radius: 50%;
  content: "";
}

.coding-card::after {
  border-color: rgba(255, 107, 66, 0.1);
}

.benchmark-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.benchmark-tag {
  padding: 7px 10px;
  border: 1px solid currentColor;
  color: var(--highlight);
}

.coding-card .benchmark-tag,
.coding-card .benchmark-number {
  color: var(--orange);
}

.benchmark-card h3 {
  margin: 76px 0 12px;
  font-size: clamp(30px, 3.2vw, 45px);
  letter-spacing: -0.045em;
}

.benchmark-card > p {
  max-width: 530px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.benchmark-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 34px;
  border-block: 1px solid var(--line);
}

.benchmark-metrics > span {
  display: grid;
  gap: 5px;
  padding: 21px 0;
}

.benchmark-metrics > span + span {
  padding-left: 23px;
  border-left: 1px solid var(--line);
}

.benchmark-metrics strong {
  font-size: 22px;
}

.benchmark-metrics small,
.coding-types small {
  color: var(--muted);
  font: 500 10px/1.4 var(--mono);
  text-transform: uppercase;
}

.dataset-list,
.coding-types {
  margin: 29px 0 0;
  padding: 0;
  list-style: none;
}

.dataset-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dataset-list li {
  padding: 7px 9px;
  border: 1px solid var(--line);
  background: var(--paper);
  font: 500 10px/1 var(--mono);
}

.coding-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.coding-types li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 10px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.coding-types li > span {
  grid-row: 1 / 3;
  color: var(--orange);
  font: 600 10px/1.4 var(--mono);
}

.coding-types strong {
  font-size: 12px;
}

.coding-types small {
  font-size: 8px;
}

.benchmark-card > button {
  align-self: flex-start;
  margin-top: auto;
  padding: 10px 0 5px;
  border: 0;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  cursor: pointer;
  font: 600 11px/1 var(--mono);
}

.capability-section {
  padding-block: 110px 118px;
  border-block: 1px solid var(--line);
  background: var(--paper-deep);
}

.capability-heading {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 80px;
  align-items: end;
}

.capability-heading h2 {
  margin-top: 25px;
}

.capability-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.capability-groups {
  display: grid;
  grid-template-columns: 1.18fr 0.91fr 0.91fr;
  gap: 12px;
  margin-top: 60px;
}

.capability-groups > section {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--card);
}

.capability-groups header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid var(--line);
  background: var(--navy-deep);
  color: var(--white);
}

.capability-groups header span,
.capability-groups header small,
.capability-groups article b {
  font: 600 10px/1 var(--mono);
}

.capability-groups header span { color: var(--mint); }
.capability-groups header small { color: #8fa2b9; text-transform: uppercase; }

.capability-groups article {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: center;
  padding: 17px;
}

.capability-groups article + article {
  border-top: 1px solid var(--line);
}

.capability-groups article b {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--ink);
  color: var(--blue);
  background: var(--paper);
}

.capability-groups article > span {
  display: grid;
  gap: 3px;
}

.capability-groups article strong {
  font-size: 12px;
}

.capability-groups article small {
  color: var(--muted);
  font-size: 10px;
}

.open-contract-section {
  position: relative;
  overflow: hidden;
  padding-block: 112px;
  color: var(--white);
  background: var(--navy-deep);
}

.open-contract-section::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(114, 225, 190, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(114, 225, 190, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
}

.open-contract-section::after {
  position: absolute;
  right: -120px;
  bottom: -210px;
  width: 520px;
  height: 520px;
  border: 72px solid rgba(127, 168, 255, 0.09);
  border-radius: 50%;
  content: "";
}

.open-contract-section > .page-shell {
  position: relative;
  z-index: 1;
}

.open-contract-heading {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 46px;
  align-items: start;
}

.open-contract-heading > div {
  max-width: 850px;
}

.repo-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--mint);
  font: 600 11px/1.4 var(--mono);
  letter-spacing: 0.08em;
}

.open-contract-heading h2 {
  max-width: 760px;
  margin: 24px 0 0;
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.open-contract-heading > div > p {
  max-width: 790px;
  margin: 28px 0 0;
  color: #b9c6d6;
  font-size: 16px;
  line-height: 1.75;
}

.repo-button {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  min-height: 48px;
  margin-top: 30px;
  padding: 12px 18px;
  border: 1px solid var(--mint);
  border-radius: 6px;
  color: var(--ink);
  background: var(--mint);
  font-size: 12px;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.repo-button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(127, 168, 255, 0.65);
}

.open-contract-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 64px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.18);
}

.open-contract-grid article {
  min-height: 205px;
  padding: 25px;
  background: rgba(7, 26, 51, 0.94);
}

.open-contract-grid article > span {
  color: var(--mint);
  font: 600 10px/1 var(--mono);
}

.open-contract-grid strong {
  display: block;
  margin-top: 54px;
  font-size: 17px;
}

.open-contract-grid p {
  margin: 8px 0 0;
  color: #aebdce;
  font-size: 12px;
  line-height: 1.65;
}

.divisions-section {
  padding-bottom: 126px;
}

.division-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.division-grid article {
  min-height: 260px;
  padding: 30px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--card);
}

.division-grid article:first-child {
  box-shadow: inset 3px 0 0 var(--mint);
}

.division-grid article:last-child {
  box-shadow: inset 3px 0 0 var(--blue);
}

.division-grid article > span {
  color: var(--highlight);
  font: 600 10px/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.division-grid article:last-child > span { color: var(--highlight); }

.division-grid h3 {
  margin: 80px 0 10px;
  font-size: 25px;
}

.division-grid p {
  max-width: 510px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.closing-cta {
  padding-block: 75px;
  border-top: 1px solid var(--ink);
  color: var(--white);
  background: var(--navy-deep);
}

.closing-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.closing-grid > div:first-child > p,
.closing-grid > div:first-child > span {
  font: 500 10px/1.5 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.closing-grid > div:first-child > p {
  margin: 0 0 13px;
  color: var(--mint);
}

.closing-grid > div:first-child > span {
  display: block;
  margin-top: 12px;
  color: #d5defd;
}

.closing-actions {
  margin-top: 0;
}

.button-mint {
  border-color: var(--mint);
  color: var(--ink);
  background: var(--mint);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--white);
  background: transparent;
}

.leaderboard-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 0.78fr;
  gap: 90px;
  align-items: end;
  padding-block: 90px 65px;
}

.leaderboard-hero::before {
  position: absolute;
  top: 90px;
  bottom: 65px;
  left: -18px;
  width: 3px;
  background: var(--mint);
  content: "";
}

.leaderboard-hero h1 {
  font-size: clamp(48px, 6vw, 76px);
}

.leaderboard-intro {
  padding-bottom: 6px;
}

.release-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
}

.leaderboard-intro p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.leaderboard-workspace {
  width: min(1760px, calc(100% - 48px));
  padding-bottom: 110px;
}

.control-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px;
  border: 1px solid var(--ink);
  border-left: 3px solid var(--mint);
  border-radius: 8px;
  background: var(--card);
  box-shadow: var(--shadow);
}

.segmented-control,
.division-control {
  display: flex;
  gap: 7px;
}

.segmented-control button,
.division-control button,
.category-tabs button {
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
}

.segmented-control button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 45px;
  padding: 9px 15px;
  font-size: 12px;
  font-weight: 700;
}

.segmented-control button span {
  color: var(--blue);
  font: 600 10px/1 var(--mono);
}

.segmented-control button.is-active {
  color: var(--white);
  background: var(--ink);
}

.segmented-control button.is-active span { color: var(--mint); }

.division-control button {
  padding: 10px 13px;
  color: var(--muted);
  font: 600 10px/1 var(--mono);
}

.division-control button.is-active {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--paper);
}

.result-note {
  margin: 10px 0 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.category-panel {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  align-items: start;
  padding: 32px 0 25px;
}

.category-panel > span {
  padding-top: 10px;
  color: var(--muted);
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.category-tabs button {
  padding: 8px 10px;
  border-color: var(--line);
  border-radius: 4px;
  color: var(--muted);
  background: rgba(255, 254, 249, 0.66);
  font: 500 10px/1.2 var(--mono);
}

.category-tabs button:hover,
.category-tabs button.is-active {
  border-color: var(--highlight);
  color: var(--highlight);
  background: #edf2ff;
}

.result-panel {
  border: 1px solid rgba(20, 36, 61, 0.18);
  border-top-color: rgba(20, 36, 61, 0.34);
  border-bottom-color: rgba(20, 36, 61, 0.34);
  border-radius: 8px;
  overflow: hidden;
  background: var(--card);
}

.result-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: flex-start;
  padding: 28px 30px;
  border-bottom: 1px solid var(--line);
}

.result-panel-head > div > span {
  color: var(--highlight);
}

.result-panel-head h2 {
  margin: 10px 0 5px;
  font-size: 29px;
  letter-spacing: -0.035em;
}

.result-panel-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.medal-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  max-width: 390px;
  color: var(--muted);
  font: 700 10px/1.2 var(--mono);
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.medal-legend span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 8px;
  border: 1px solid rgba(220, 227, 234, 0.82);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
}

.medal-legend b {
  font-size: 13px;
  line-height: 1;
}

.table-shell {
  overflow-x: auto;
}

.table-scroll-hint {
  display: none;
  padding: 9px 18px 0;
  color: var(--muted);
  font: 700 10px/1.2 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.table-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 70px 220px repeat(var(--metric-count), minmax(132px, 1fr));
  min-width: calc(290px + var(--metric-count) * 168px);
  border-bottom: 1px solid rgba(220, 227, 234, 0.78);
  background: rgba(237, 241, 245, 0.82);
}

.table-header button.header-link {
  appearance: none;
  border: 0;
  color: inherit;
  font: 800 10.5px/1.28 var(--mono);
  letter-spacing: 0.025em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0;
  text-align: center;
}

.table-header button.header-link:not(:nth-child(-n + 3)) {
  background: transparent;
}

.table-header button.header-link:hover,
.table-header button.header-link:focus-visible {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.table-header > span,
.table-header > button {
  display: grid;
  align-items: center;
  justify-items: center;
  min-height: 74px;
  padding: 14px 14px;
  border-right: 1px solid rgba(220, 227, 234, 0.62);
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: normal;
  font: 800 10.5px/1.28 var(--mono);
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.leaderboard-table {
  display: grid;
  min-width: calc(290px + var(--metric-count) * 168px);
}

.leaderboard-row {
  display: grid;
  grid-template-columns: 70px 220px repeat(var(--metric-count), minmax(132px, 1fr));
  align-items: stretch;
  min-height: 74px;
  position: relative;
  border-bottom: 1px solid rgba(220, 227, 234, 0.56);
  background: transparent;
  transition: background 160ms ease, box-shadow 160ms ease;
}

.leaderboard-row::before {
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 0;
  width: 3px;
  border-radius: 999px;
  background: var(--blue);
  content: "";
  opacity: 0;
  transform: scaleY(0.55);
  transition: opacity 160ms ease, transform 160ms ease;
}

.leaderboard-row:hover {
  background: rgba(127, 168, 255, 0.07);
  box-shadow: inset 0 0 0 1px rgba(127, 168, 255, 0.12);
}

.leaderboard-row:hover::before {
  opacity: 1;
  transform: scaleY(1);
}

.leaderboard-row:nth-child(even) {
  background: transparent;
}

.leaderboard-row:nth-child(even):hover {
  background: rgba(127, 168, 255, 0.07);
}

.leaderboard-row > span {
  display: grid;
  align-content: center;
  padding: 15px 16px;
  border-right: 1px solid rgba(220, 227, 234, 0.62);
}

.table-header > :nth-child(-n + 2),
.leaderboard-row > span:nth-child(-n + 2) {
  position: sticky;
  z-index: 6;
  background: #fff;
}

.table-header > :nth-child(-n + 2) {
  z-index: 24;
  background: #eef3f7 !important;
}

.table-header > :nth-child(1),
.leaderboard-row > span:nth-child(1) {
  left: 0;
}

.table-header > :nth-child(2),
.leaderboard-row > span:nth-child(2) {
  left: 70px;
}

.leaderboard-row:hover > span:nth-child(-n + 2),
.leaderboard-row:nth-child(even):hover > span:nth-child(-n + 2) {
  background: rgb(246, 249, 255);
}


.rank-cell {
  justify-items: center;
  color: var(--highlight);
  font: 800 15px/1 var(--mono);
  letter-spacing: 0.08em;
}


.rank-medal {
  place-items: center;
  font-size: 25px;
  letter-spacing: 0;
  filter: saturate(0.96);
}

.rank-medal-1 {
  font-size: 27px;
  filter: saturate(1.18) brightness(1.05);
  text-shadow: 0 5px 14px rgba(176, 124, 20, 0.28);
}

.rank-medal-2,
.rank-medal-3 {
  transform: translateY(1px);
}

.leaderboard-row > .system-cell {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 6px;
}

.system-meta {
  display: flex;
  min-width: 0;
  max-width: 100%;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
}

.system-meta > small {
  min-width: 0;
}

.leaderboard-row > .system-cell strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  color: var(--ink);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.25;
  text-align: left;
  text-decoration: none;
  text-overflow: ellipsis;
}

.github-icon-link {
  display: inline-flex;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
  color: rgba(31, 42, 55, 0.58);
  transition: color 140ms ease, transform 140ms ease;
}

.github-icon-link svg {
  display: block;
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.github-icon-link:hover,
.github-icon-link:focus-visible {
  color: var(--ink);
  transform: translateY(-1px);
}

.is-podium-row > .system-cell strong {
  color: var(--navy-deep);
  font-weight: 800;
}

.leaderboard-row > .system-cell small {
  overflow: hidden;
  color: var(--muted);
  font: 600 10px/1.3 var(--mono);
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.system-cate {
  max-width: 100%;
  overflow: hidden;
  border: 1px solid rgba(31, 42, 55, 0.12);
  border-radius: 999px;
  background: rgba(245, 247, 250, 0.92);
  padding: 3px 7px;
  cursor: help;
  outline: none;
}


.system-version {
  max-width: clamp(64px, 8.5vw, 132px);
  overflow: hidden;
  border: 1px solid rgba(38, 97, 156, 0.15);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(237, 246, 255, 0.98), rgba(248, 251, 255, 0.96));
  color: #315a80 !important;
  padding: 3px 7px;
  cursor: help;
  outline: none;
  text-overflow: ellipsis;
  text-transform: none !important;
}

.badge-floating-tooltip {
  position: fixed;
  z-index: 1000;
  max-width: min(320px, 72vw);
  padding: 8px 10px;
  border: 1px solid rgba(38, 97, 156, 0.16);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 30px rgba(20, 39, 77, 0.16);
  color: var(--ink);
  font: 600 12px/1.35 var(--sans);
  pointer-events: none;
  white-space: normal;
}

.score-cell {
  justify-items: center;
  text-align: center;
  color: var(--ink-soft);
  font: 650 15px/1 var(--mono);
}

.text-cell {
  justify-items: center;
  text-align: center;
  color: var(--ink);
  font: 650 12px/1.25 var(--mono);
  letter-spacing: 0.01em;
}

.score-value {
  display: inline-grid;
  place-items: center;
  min-width: 52px;
  min-height: 30px;
  border-radius: 999px;
  font-weight: 650;
}

.score-rank-1 {
  color: #4f3100;
  background: linear-gradient(135deg, rgba(255, 210, 64, 0.9), rgba(255, 246, 184, 0.58));
  box-shadow: 0 0 0 1px rgba(176, 124, 20, 0.34), 0 9px 20px rgba(176, 124, 20, 0.18);
  font-weight: 900;
}

.score-rank-2 {
  color: #263852;
  background: linear-gradient(135deg, rgba(194, 207, 226, 0.92), rgba(241, 245, 249, 0.62));
  box-shadow: 0 0 0 1px rgba(92, 108, 132, 0.32), 0 7px 16px rgba(92, 108, 132, 0.12);
  font-weight: 900;
}

.score-rank-3 {
  color: var(--ink-soft);
  background: linear-gradient(135deg, rgba(190, 126, 78, 0.22), rgba(246, 214, 188, 0.14));
  box-shadow: 0 0 0 1px rgba(150, 84, 39, 0.08);
  font-weight: 800;
}

.speed-cell {
  font-size: 13px;
}

.speed-inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 26px;
  padding: 0;
  color: #111827;
  font-weight: 720;
  letter-spacing: 0.01em;
}

.speed-inline span:last-child {
  color: #111827;
}

.speed-divider {
  display: inline-block;
  width: 4px;
  height: 19px;
  overflow: hidden;
  flex: 0 0 4px;
  border-radius: 3px;
  background: var(--speed-accent);
  color: transparent;
  opacity: 0.92;
  font-size: 0;
  line-height: 0;
}

.speed-value {
  --speed-accent: var(--muted);
  --speed-bg: rgba(101, 116, 139, 0.08);
  --speed-border: rgba(101, 116, 139, 0.18);
  --speed-gap: 5px;
  --speed-pad: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--speed-gap);
  min-width: 82px;
  min-height: 26px;
  padding: 0 var(--speed-pad);
  border: 1px solid var(--speed-border);
  border-radius: 999px;
  color: var(--speed-accent);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76), var(--speed-bg));
  box-shadow: inset 0 -1px 0 rgba(20, 36, 61, 0.04);
  font-weight: 760;
  letter-spacing: 0.01em;
}

.speed-value::before {
  display: none;
}

.volume-cell .speed-value {
  min-width: 92px;
}

.volume-value {
  min-width: 92px;
}

.speed-fast {
  --speed-accent: #237a47;
  --speed-bg: rgba(53, 164, 96, 0.13);
  --speed-border: rgba(42, 135, 78, 0.22);
}

.speed-medium {
  --speed-accent: #9a6a00;
  --speed-bg: rgba(232, 178, 56, 0.16);
  --speed-border: rgba(180, 126, 17, 0.22);
}

.speed-slow {
  --speed-accent: #a34242;
  --speed-bg: rgba(203, 88, 88, 0.12);
  --speed-border: rgba(165, 67, 67, 0.2);
}

.volume-compact {
  --speed-accent: #237a47;
  --speed-bg: rgba(53, 164, 96, 0.12);
  --speed-border: rgba(42, 135, 78, 0.2);
}

.volume-balanced {
  --speed-accent: #8a650d;
  --speed-bg: rgba(232, 178, 56, 0.14);
  --speed-border: rgba(180, 126, 17, 0.2);
}

.volume-verbose {
  --speed-accent: #9b3f3f;
  --speed-bg: rgba(203, 88, 88, 0.11);
  --speed-border: rgba(165, 67, 67, 0.19);
}

.speed-unknown {
  --speed-accent: var(--muted);
  --speed-bg: rgba(101, 116, 139, 0.06);
  --speed-border: rgba(101, 116, 139, 0.14);
}

.empty-state {
  display: grid;
  justify-items: center;
  min-width: 820px;
  min-height: 450px;
  padding: 70px 24px;
  text-align: center;
}

.coding-coming-soon {
  min-width: 0;
  width: 100%;
}

.empty-orbit {
  position: relative;
  display: grid;
  place-items: center;
  width: 100px;
  height: 100px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.empty-orbit::before,
.empty-orbit::after {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  content: "";
}

.empty-orbit::before { width: 68px; height: 68px; }
.empty-orbit::after { width: 36px; height: 36px; background: var(--ink); }

.empty-orbit span {
  position: absolute;
  top: 11px;
  right: 9px;
  z-index: 2;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px var(--white);
}

.empty-orbit i {
  position: absolute;
  z-index: 3;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
}

.empty-state > span {
  color: var(--highlight);
  font: 600 10px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.empty-state h3 {
  margin: 13px 0 8px;
  font-size: clamp(31px, 4vw, 48px);
  letter-spacing: -0.04em;
}

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

.empty-state a {
  margin-top: 24px;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--ink);
  font: 600 11px/1.4 var(--mono);
}

.commercial-ack {
  display: grid;
  grid-template-columns: minmax(250px, 0.58fr) 1.42fr;
  gap: 28px;
  align-items: center;
  margin: 22px 0 0;
  padding: 24px;
  border: 1px solid rgba(20, 36, 61, 0.14);
  border-radius: 14px;
  background:
    radial-gradient(circle at 8% 18%, rgba(69, 121, 184, 0.10), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(246, 249, 252, 0.94));
  box-shadow: 0 18px 38px rgba(20, 39, 77, 0.07);
}

.commercial-ack[hidden] {
  display: none;
}

.commercial-ack-copy > span {
  color: var(--highlight);
  font: 850 18px/1.15 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.commercial-ack-copy h3 {
  margin: 9px 0 0;
  max-width: 42ch;
  color: var(--navy-deep);
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: 0;
}

.commercial-logo-marquee {
  position: relative;
  overflow: hidden;
  padding: 4px 0;
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.commercial-logo-track {
  display: flex;
  width: max-content;
  gap: 12px;
  animation: logoMarquee 28s linear infinite;
}

.commercial-logo-marquee:hover .commercial-logo-track {
  animation-play-state: paused;
}

.logo-tile {
  display: grid;
  width: 178px;
  height: 70px;
  flex: 0 0 auto;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(20, 36, 61, 0.10);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(20, 39, 77, 0.055), inset 0 1px 0 rgba(255, 255, 255, 0.86);
}

.logo-tile img {
  display: block;
  width: auto;
  height: auto;
  max-width: 82%;
  max-height: 46px;
  object-fit: contain;
}

.logo-tile-memorax img {
  max-width: 70%;
  max-height: 42px;
}

.logo-tile-mempalace img {
  max-width: 92%;
  max-height: 49px;
}

.logo-tile-dongjian img {
  max-width: 66%;
  max-height: 38px;
}

.logo-tile-memtensor img {
  max-width: 108%;
  max-height: 56px;
}

.logo-tile-supermemory img {
  max-width: 108%;
  max-height: 54px;
}

.logo-tile-text {
  color: #c81e1e;
  font: 850 19px/1 var(--sans);
  letter-spacing: -0.03em;
}

@keyframes logoMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 6px)); }
}

@media (prefers-reduced-motion: reduce) {
  .commercial-logo-track { animation: none; flex-wrap: wrap; width: auto; }
  .commercial-logo-track [aria-hidden="true"] { display: none; }
}

.ranking-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 28px;
  border: 1px solid var(--line);
  background: var(--line);
}

.ranking-notes article {
  padding: 22px;
  background: var(--card);
}

.ranking-notes article > span {
  color: var(--highlight);
  font: 600 10px/1 var(--mono);
}

.ranking-notes strong {
  display: block;
  margin-top: 29px;
  font-size: 13px;
}

.ranking-notes p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.leaderboard-footer-cta {
  padding-block: 32px;
  border-block: 1px solid var(--line);
  border-top: 3px solid var(--mint);
  background: var(--card);
}

.leaderboard-footer-cta > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-weight: 700;
}

.leaderboard-footer-cta > div > div {
  display: flex;
  gap: 22px;
  font: 600 10px/1 var(--mono);
  text-transform: uppercase;
}

.site-footer {
  padding-block: 35px;
  color: var(--white);
  background: var(--navy-deep);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
}

.footer-brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 8px;
  background: var(--white);
}

.footer-brand small { color: #8fa2b9; }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: #b9c6d6;
  font: 500 10px/1 var(--mono);
  text-transform: uppercase;
}

.footer-links a:hover { color: var(--mint); }

.reveal {
  animation: reveal-in 650ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.reveal-delay-1 { animation-delay: 100ms; }

@keyframes reveal-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .primary-nav {
    order: 3;
    grid-column: 1 / -1;
    justify-content: center;
    min-height: 43px;
    margin: 8px -28px -10px;
    border-top: 1px solid var(--line);
  }

  .nav-link::after { bottom: -9px; }
  .rules-link { display: none; }

  .hero,
  .leaderboard-hero,
  .protocol-grid,
  .capability-heading,
  .open-contract-heading {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 56px;
    padding-top: 68px;
  }

  .challenge-card { max-width: 660px; }
  .protocol-grid { gap: 55px; }
  .capability-heading { gap: 26px; }
  .capability-groups { grid-template-columns: 1fr; }
  .open-contract-heading { gap: 28px; }
  .open-contract-grid { grid-template-columns: repeat(2, 1fr); }
  .leaderboard-hero { gap: 36px; }
}

@media (max-width: 760px) {
  .page-shell { width: min(100% - 30px, 1180px); }
  .site-header { padding-inline: 15px; }
  .primary-nav { margin-inline: -15px; }
  .header-cta { padding: 9px 10px; font-size: 0; }
  .header-cta span { font-size: 14px; }
  .header-github {
    justify-content: center;
    width: 42px;
    min-height: 42px;
    padding: 0;
  }
  .header-github span { display: none; }

  .hero {
    min-height: auto;
    padding-block: 58px 68px;
  }

  .hero h1 { font-size: clamp(34px, 9vw, 46px); }
  .leaderboard-hero h1 { font-size: clamp(40px, 12vw, 62px); }
  .hero-lede { font-size: 15px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }

  .challenge-card {
    min-height: 430px;
    padding: 22px;
    box-shadow: 7px 7px 0 var(--mint);
  }

  .challenge-title { margin-top: 64px; }
  .countdown { gap: 5px; }
  .countdown > span { min-width: 48px; }
  .countdown b { font-size: 23px; }

  .signal-grid { grid-template-columns: repeat(2, 1fr); }
  .signal-grid > span { border-bottom: 1px solid var(--line); }
  .signal-grid > span:nth-child(odd) { border-left: 1px solid var(--line); }

  .section { padding-block: 82px; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .section-heading h2,
  .protocol-grid h2,
  .capability-heading h2,
  .closing-grid h2 { font-size: clamp(31px, 9vw, 46px); }
  .section-heading > div > p { font-size: 15px; }

  .principle-grid,
  .benchmark-grid,
  .division-grid,
  .ranking-notes {
    grid-template-columns: 1fr;
  }

  .principle-grid article { min-height: 220px; }
  .protocol-section { padding-block: 84px; }
  .protocol-flow { grid-template-columns: repeat(2, 1fr); }
  .protocol-flow li { min-height: 190px; }
  .protocol-flow li:nth-child(2)::after { display: none; }

  .benchmark-card { min-height: 580px; padding: 26px; }
  .benchmark-card h3 { margin-top: 62px; }
  .coding-types { grid-template-columns: 1fr; }
  .capability-section { padding-block: 80px; }
  .capability-groups { margin-top: 40px; }
  .open-contract-section { padding-block: 82px; }
  .open-contract-heading h2 { font-size: clamp(31px, 9vw, 46px); }
  .open-contract-heading > div > p { font-size: 15px; }
  .open-contract-grid { grid-template-columns: 1fr; margin-top: 46px; }
  .open-contract-grid article { min-height: 170px; }
  .open-contract-grid strong { margin-top: 40px; }
  .compact-heading { margin-bottom: 44px; }
  .closing-grid,
  .footer-grid,
  .leaderboard-footer-cta > div {
    flex-direction: column;
    align-items: flex-start;
  }

  .closing-actions { width: 100%; }
  .leaderboard-hero { padding-block: 65px 46px; }
  .control-row { flex-direction: column; }
  .segmented-control,
  .division-control { display: grid; grid-template-columns: repeat(2, 1fr); }
  .commercial-ack { grid-template-columns: 1fr; padding: 18px; }
  .logo-tile { width: 150px; height: 62px; }
  .category-panel { grid-template-columns: 1fr; gap: 10px; }
  .category-panel > span { padding-top: 0; }
  .result-panel-head { flex-direction: column; }
  .table-scroll-hint { display: block; }
  .ranking-notes { gap: 0; }
  .leaderboard-footer-cta > div > div { flex-wrap: wrap; }
  .footer-links { gap: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}