:root {
  --ink: #142124;
  --ink-soft: #4a5a5d;
  --night: #0d1b1e;
  --night-2: #13272a;
  --paper: #f3f5f2;
  --paper-2: #e7ebe7;
  --white: #fcfdfa;
  --line: #d6ddd8;
  --mint: #72d6ba;
  --mint-dark: #246f60;
  --amber: #f0ad53;
  --amber-dark: #965217;
  --shadow: 0 24px 70px rgba(13, 27, 30, 0.12);
  --radius: 18px;
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image: radial-gradient(rgba(16, 33, 38, 0.055) 0.7px, transparent 0.7px);
  background-size: 10px 10px;
  content: "";
  pointer-events: none;
}

button,
input,
select {
  font: inherit;
}

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

:where(a, button, input, select):focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

a {
  color: inherit;
}

img,
svg {
  display: block;
}

code,
pre,
.eyebrow,
.method-number,
.run-number,
.card-kicker,
.dialog-kicker {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

.section {
  padding: 112px 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  background: var(--mint);
  color: var(--night);
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  color: var(--white);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  border-bottom-color: rgba(255, 255, 255, 0.1);
  background: rgba(13, 27, 30, 0.96);
  box-shadow: 0 10px 35px rgba(5, 14, 17, 0.18);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: inherit;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand img {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 11px;
}

.brand b {
  color: var(--mint);
  font-weight: 750;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 31px;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.site-nav .nav-github {
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9px;
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 0;
  background: transparent;
}

.nav-toggle > span:not(.sr-only) {
  display: block;
  width: 21px;
  height: 2px;
  margin: 4px 0;
  background: var(--white);
}

.hero {
  overflow: hidden;
  background:
    radial-gradient(circle at 9% 12%, rgba(114, 214, 186, 0.1), transparent 23%),
    radial-gradient(circle at 89% 18%, rgba(255, 255, 255, 0.035), transparent 21%),
    var(--night);
  color: var(--white);
}

.hero::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 48vw;
  height: 690px;
  background-image:
    linear-gradient(rgba(114, 214, 186, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(114, 214, 186, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom left, #000, transparent 72%);
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  min-height: 765px;
  padding-top: 128px;
  padding-bottom: 90px;
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(390px, 0.78fr);
  gap: 86px;
}

.eyebrow {
  display: flex;
  margin: 0 0 20px;
  align-items: center;
  gap: 10px;
  color: var(--mint-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow span {
  display: inline-block;
  width: 25px;
  height: 2px;
  background: currentColor;
}

.hero .eyebrow,
.eyebrow-light {
  color: var(--mint);
}

.hero h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(48px, 5.3vw, 75px);
  font-weight: 690;
  letter-spacing: -0.06em;
  line-height: 0.99;
}

.hero h1 em {
  display: block;
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.hero-lede {
  max-width: 635px;
  margin: 29px 0 0;
  color: rgba(255, 255, 255, 0.67);
  font-size: 18px;
  line-height: 1.72;
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 19px;
  border: 1px solid transparent;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  gap: 11px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 780;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.button-primary {
  background: var(--amber);
  color: var(--night);
}

.button-primary:hover {
  background: #f5bc70;
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.18);
  background: transparent;
  color: inherit;
}

.hero-proof {
  display: flex;
  padding: 0;
  margin: 35px 0 0;
  flex-wrap: wrap;
  gap: 21px;
  list-style: none;
}

.hero-proof li {
  color: rgba(255, 255, 255, 0.55);
  font-size: 12px;
  font-weight: 650;
}

.hero-proof .proof-mark {
  display: inline-grid;
  width: 14px;
  height: 14px;
  margin-right: 5px;
  border: 1px solid rgba(114, 214, 186, 0.55);
  border-radius: 3px;
  color: var(--mint);
  vertical-align: -2px;
  place-items: center;
}

.proof-mark svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.hero-console {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(114, 214, 186, 0.16);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(114, 214, 186, 0.035), transparent 42%),
    #0a1519;
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.36),
    inset 0 1px rgba(255, 255, 255, 0.025);
}

.console-bar {
  display: flex;
  min-height: 50px;
  padding: 0 17px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
  align-items: center;
  gap: 15px;
  color: rgba(255, 255, 255, 0.6);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  text-transform: uppercase;
}

.console-dots {
  display: flex;
  gap: 5px;
}

.console-dots i {
  width: 7px;
  height: 7px;
  border-radius: 100%;
  background: rgba(255, 255, 255, 0.25);
}

.console-dots i:nth-child(3) {
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(114, 214, 186, 0.08);
}

.console-live {
  margin-left: auto;
  color: var(--mint);
}

.console-live::before {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-radius: 50%;
  background: currentColor;
  content: "";
  box-shadow: 0 0 0 4px rgba(114, 214, 186, 0.09);
}

.console-body {
  padding: 24px 26px 22px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.console-runline {
  display: flex;
  gap: 10px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 12px;
  line-height: 1.6;
}

.console-runline code {
  min-width: 0;
  overflow-wrap: anywhere;
}

.console-runline .prompt {
  color: var(--mint);
}

.console-rule {
  height: 1px;
  margin: 18px 0;
  background: rgba(255, 255, 255, 0.11);
}

.console-label,
.console-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 10px;
  letter-spacing: 0.09em;
}

.console-value {
  margin: 4px 0 16px;
  color: var(--mint);
  font-size: 12px;
}

.trace-row {
  display: flex;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.11);
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.66);
  font-size: 11px;
}

.trace-row b {
  color: var(--mint);
  font-size: 10px;
  letter-spacing: 0.05em;
}

.score-preview {
  display: grid;
  padding: 18px 0 12px;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
}

.score-preview small {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.score-preview strong {
  display: block;
  margin-top: 4px;
  color: var(--white);
  font-size: 20px;
  font-weight: 550;
  line-height: 1.25;
}

.review-state {
  min-width: 84px;
  padding: 8px 10px;
  border: 1px solid rgba(244, 184, 96, 0.3);
  border-radius: 9px;
  background: rgba(244, 184, 96, 0.07);
  text-align: center;
}

.review-state b {
  display: block;
  margin-top: 2px;
  color: var(--amber);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.console-note {
  line-height: 1.6;
  letter-spacing: 0;
}

.stats-band {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.025);
}

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

.stats-grid > div {
  display: flex;
  min-height: 112px;
  padding: 24px 30px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  align-items: center;
  gap: 13px;
}

.stats-grid > div:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.stats-grid strong {
  color: var(--white);
  font-family: Georgia, serif;
  font-size: 37px;
  font-weight: 500;
  line-height: 1;
}

.stats-grid span {
  max-width: 90px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.35;
  text-transform: uppercase;
}

.section-heading {
  margin-bottom: 58px;
}

.section-heading h2,
.grading-intro h2,
.closing-inner h2 {
  margin: 0;
  font-size: clamp(37px, 4vw, 56px);
  font-weight: 670;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

.split-heading {
  display: grid;
  align-items: end;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.65fr);
  gap: 80px;
}

.split-heading > p,
.grading-intro > p {
  margin: 0 0 4px;
  color: var(--ink-soft);
  font-size: 17px;
}

.method-section {
  background: var(--paper);
}

.method-flow {
  display: grid;
  padding: 0;
  margin: 0;
  counter-reset: none;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
}

.method-flow li {
  position: relative;
  min-height: 280px;
  padding: 23px 26px 30px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.method-flow li + li {
  border-left: 1px solid var(--line);
}

.method-flow li::after {
  position: absolute;
  z-index: 2;
  top: 89px;
  right: -7px;
  width: 13px;
  height: 13px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background: var(--paper);
  content: "";
  transform: rotate(45deg);
}

.method-flow li:last-child::after {
  display: none;
}

.method-number {
  color: var(--mint-dark);
  font-size: 11px;
  font-weight: 800;
}

.method-icon {
  display: grid;
  width: 55px;
  height: 55px;
  margin: 25px 0 23px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  color: var(--mint-dark);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 16px;
  font-weight: 800;
  place-items: center;
}

.method-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.method-icon-label {
  font-size: 16px;
  line-height: 1;
}

.method-flow h3,
.principles-grid h3,
.run-step h3,
.after-run h3 {
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: -0.02em;
}

.method-flow p,
.principles-grid p,
.run-step p,
.after-run p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}

.principles-grid {
  display: grid;
  margin-top: 80px;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
}

.principles-grid article {
  position: relative;
  padding-left: 27px;
}

.principle-mark {
  position: absolute;
  top: 5px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  box-shadow: 0 0 0 5px rgba(0, 0, 0, 0.035);
}

.principle-mark.amber,
.principle-mark.mint,
.principle-mark.coral { background: var(--mint-dark); }

.task-section {
  background: var(--paper);
}

.task-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
}

.text-link {
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.filter-bar {
  display: grid;
  margin-bottom: 20px;
  align-items: center;
  grid-template-columns: minmax(260px, 1fr) auto 210px;
  gap: 18px;
}

.search-box,
.select-box {
  display: flex;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--white);
  align-items: center;
}

.search-box {
  padding: 0 17px;
  gap: 10px;
}

.search-box svg {
  width: 19px;
  fill: none;
  stroke: #78878a;
  stroke-linecap: round;
  stroke-width: 1.7;
}

.search-box input,
.select-box select {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
}

.search-box input::placeholder {
  color: #859194;
}

.select-box {
  position: relative;
  padding: 0 13px;
}

.select-box select {
  cursor: pointer;
}

.suite-tabs {
  display: flex;
  min-height: 50px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--paper-2);
  gap: 2px;
}

.suite-tabs button {
  padding: 0 13px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 720;
}

.suite-tabs button.is-active {
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 2px 9px rgba(13, 27, 30, 0.08);
}

.suite-tabs span {
  margin-left: 3px;
  color: #8b9799;
  font-size: 10px;
}

.results-line {
  margin: 22px 0;
  color: var(--ink-soft);
  font-size: 12px;
}

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

.task-grid {
  display: grid;
  min-width: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.task-card {
  display: flex;
  min-width: 0;
  min-height: 295px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  flex-direction: column;
  transition: border-color 170ms ease, box-shadow 170ms ease, transform 170ms ease;
}

.task-card:hover {
  border-color: #aeb8b2;
  box-shadow: 0 18px 42px rgba(13, 27, 30, 0.08);
  transform: translateY(-3px);
}

.task-card-top,
.task-card-meta {
  display: flex;
  align-items: center;
  gap: 7px;
}

.task-card-top {
  justify-content: space-between;
}

.task-suite,
.task-category,
.task-profile {
  display: inline-flex;
  border-radius: 999px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.07em;
  line-height: 1;
  text-transform: uppercase;
}

.task-suite {
  padding: 7px 9px;
  background: #dff4eb;
  color: #226b5b;
}

.task-suite.auxiliary {
  background: #e5eaec;
  color: #496268;
}

.task-id {
  max-width: 56%;
  overflow: hidden;
  color: #8b9799;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-card h3 {
  margin: 23px 0 11px;
  font-size: 20px;
  font-weight: 710;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.task-card > p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.62;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.task-card-footer {
  display: flex;
  padding-top: 20px;
  margin-top: auto;
  border-top: 1px solid var(--line);
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.task-card-meta {
  overflow: hidden;
}

.task-category,
.task-profile {
  padding: 0;
  color: #697a7d;
  font-size: 8px;
  white-space: nowrap;
}

.task-category::after {
  margin-left: 7px;
  color: #bdc2bf;
  content: "/";
}

.task-open {
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.task-open span {
  color: var(--mint-dark);
}

.empty-state {
  padding: 80px 24px;
  border: 1px dashed #b5beb8;
  border-radius: var(--radius);
  text-align: center;
}

.empty-state h3 {
  margin: 0 0 5px;
}

.empty-state p {
  margin: 0 0 20px;
  color: var(--ink-soft);
}

.empty-state .button-secondary {
  border-color: var(--line);
  color: var(--ink);
}

.grading-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 18%, rgba(114, 214, 186, 0.065), transparent 31%),
    var(--night);
  color: var(--white);
}

.grading-intro {
  display: grid;
  margin-bottom: 70px;
  align-items: start;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  gap: 72px;
}

.grading-intro > *,
.grading-layout > * {
  min-width: 0;
}

.grading-intro > p {
  padding-inline: 36px;
  margin-top: 36px;
  color: rgba(255, 255, 255, 0.57);
}

.grading-intro code {
  color: var(--amber);
}

.grading-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  gap: 72px;
}

.dimension-list {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.dimension-list article {
  display: grid;
  padding: 19px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  align-items: baseline;
  grid-template-columns: 45px 1fr;
}

.dimension-list article > span {
  color: var(--mint);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
}

.dimension-list h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 680;
}

.dimension-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.47);
  font-size: 12px;
}

.grading-card {
  position: relative;
  align-self: start;
  padding: 36px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.grading-card::before {
  position: absolute;
  top: -1px;
  left: 36px;
  width: 72px;
  height: 2px;
  border-radius: 0 0 2px 2px;
  background: var(--amber);
  content: "";
  box-shadow: 0 0 18px rgba(240, 173, 83, 0.22);
}

.card-kicker {
  margin: 0;
  color: var(--mint);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.grading-card blockquote {
  margin: 17px 0 27px;
  color: var(--amber);
  font-family: Georgia, serif;
  font-size: 25px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
  overflow-wrap: break-word;
}

.grade-rule {
  display: grid;
  padding: 13px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  grid-template-columns: 35px 1fr;
}

.grade-rule span {
  color: rgba(255, 255, 255, 0.35);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.grade-rule p {
  margin: 0;
  color: rgba(255, 255, 255, 0.61);
  font-size: 12px;
  line-height: 1.55;
}

.button-light {
  width: 100%;
  margin-top: 25px;
  background: var(--white);
  color: var(--night);
}

.hil-section {
  background: var(--paper-2);
}

.hil-policy {
  display: grid;
  overflow: hidden;
  margin: -8px 0 28px;
  border: 1px solid rgba(13, 27, 30, 0.12);
  border-radius: 13px;
  background: var(--night);
  color: var(--white);
  grid-template-columns: repeat(3, 1fr);
}

.hil-policy > div {
  display: flex;
  min-width: 0;
  padding: 19px 22px;
  flex-direction: column;
  gap: 3px;
}

.hil-policy > div + div {
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.hil-policy strong,
.hil-vendor,
.hil-target-id,
.hil-target-card dt {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.hil-policy strong {
  color: var(--mint);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hil-policy span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.hil-target-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 18px;
}

.hil-target-card {
  display: flex;
  min-width: 0;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(13, 27, 30, 0.035);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.hil-target-card:hover {
  border-color: #a8b7b0;
  box-shadow: 0 18px 42px rgba(13, 27, 30, 0.08);
  transform: translateY(-3px);
}

.hil-card-top {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hil-vendor {
  color: var(--mint-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hil-target-id {
  color: #758285;
  font-size: 9px;
  overflow-wrap: anywhere;
}

.hil-target-card h3 {
  margin: 25px 0 1px;
  font-size: 26px;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.hil-mcu {
  margin: 0 0 25px;
  color: var(--amber-dark);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  font-weight: 750;
}

.hil-target-card dl {
  margin: 0 0 27px;
}

.hil-target-card dl > div {
  display: grid;
  padding: 11px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 10px;
}

.hil-target-card dt {
  color: #7a8789;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hil-target-card dd {
  min-width: 0;
  margin: 0;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.hil-card-links {
  display: flex;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  margin-top: auto;
  flex-wrap: wrap;
  gap: 9px 17px;
}

.hil-card-links a {
  color: var(--mint-dark);
  font-size: 11px;
  font-weight: 780;
  text-decoration: none;
}

.hil-card-links a:hover,
.hil-card-links a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hil-footer {
  display: flex;
  margin-top: 29px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.hil-footer > p {
  max-width: 580px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.hil-footer code {
  color: var(--ink);
  font-size: 0.92em;
  font-weight: 700;
}

.hil-actions {
  display: flex;
  flex-shrink: 0;
  gap: 10px;
}

.hil-catalog-button {
  border-color: #aeb9b3;
  background: var(--white);
  color: var(--ink);
}

.run-section {
  background: var(--paper);
}

.run-grid {
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 90px;
}

.steps-column,
.command-stack {
  min-width: 0;
}

.steps-column {
  border-top: 1px solid var(--line);
}

.run-step {
  display: grid;
  padding: 25px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 48px 1fr;
}

.run-step a {
  color: var(--mint-dark);
  font-weight: 720;
}

.run-step code,
.after-run p code {
  color: var(--ink);
  font-size: 0.9em;
}

.run-number {
  color: var(--mint-dark);
  font-size: 11px;
  font-weight: 800;
}

.command-stack {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.code-window {
  overflow: hidden;
  min-width: 0;
  max-width: 100%;
  border: 1px solid #20363c;
  border-radius: 13px;
  background: var(--night);
  box-shadow: 0 15px 35px rgba(13, 27, 30, 0.09);
}

.code-title {
  display: flex;
  min-height: 41px;
  padding: 0 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.43);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.code-title button {
  padding: 3px 0 3px 8px;
  border: 0;
  background: transparent;
  color: var(--mint);
  cursor: pointer;
  font-size: 9px;
  font-weight: 750;
  text-transform: uppercase;
}

.code-window pre {
  padding: 18px 20px 20px;
  margin: 0;
  overflow-x: auto;
  color: #d9e5e2;
  font-size: 11px;
  line-height: 1.7;
}

.code-muted {
  color: #70858a;
}

.after-run {
  display: grid;
  margin-top: 85px;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.after-run article {
  display: grid;
  min-height: 210px;
  padding: 27px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  grid-template-columns: 42px 1fr;
}

.after-run article > div {
  min-width: 0;
}

.after-run-icon {
  display: grid;
  width: 24px;
  height: 24px;
  color: var(--mint-dark);
  place-items: center;
}

.after-run-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.after-run article > .after-run-icon {
  color: var(--mint-dark);
}

.after-run pre {
  max-width: 100%;
  padding: 9px 10px;
  margin: 17px 0 0;
  overflow-x: auto;
  border-radius: 5px;
  background: var(--paper);
  line-height: 1.65;
}

.after-run pre code {
  display: block;
  color: var(--ink);
  font-size: 10px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.after-run .code-comment {
  color: #7a898b;
}

.closing-section {
  position: relative;
  overflow: hidden;
  padding: 95px 0;
  background: var(--night);
  color: var(--white);
}

.closing-section::after {
  position: absolute;
  right: -80px;
  bottom: -150px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(114, 214, 186, 0.13);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 55px rgba(114, 214, 186, 0.035), 0 0 0 110px rgba(114, 214, 186, 0.025);
}

.closing-inner {
  position: relative;
  z-index: 1;
  display: grid;
  align-items: end;
  grid-template-columns: 1fr auto;
  gap: 60px;
}

.closing-inner h2 {
  max-width: 760px;
}

.closing-actions {
  display: flex;
  padding-bottom: 4px;
  flex-wrap: wrap;
  gap: 10px;
}

.button-accent {
  background: var(--amber);
  color: var(--night);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--white);
}

.site-footer {
  padding: 25px 0;
  background: #091317;
  color: rgba(255, 255, 255, 0.47);
}

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

.footer-brand {
  color: var(--white);
}

.footer-inner p,
.footer-inner a {
  font-size: 11px;
}

.footer-inner > div {
  display: flex;
  gap: 22px;
}

.footer-inner > div a {
  text-decoration: none;
}

.footer-inner > div a:hover {
  color: var(--white);
}

.task-dialog {
  width: min(760px, calc(100% - 32px));
  max-height: calc(100vh - 40px);
  padding: 0;
  overflow: auto;
  border: 0;
  border-radius: 19px;
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 35px 100px rgba(2, 10, 12, 0.45);
}

.task-dialog::backdrop {
  background: rgba(7, 17, 20, 0.78);
  backdrop-filter: blur(5px);
}

.dialog-close {
  position: sticky;
  z-index: 2;
  top: 18px;
  float: right;
  width: 36px;
  height: 36px;
  margin: 18px 18px 0 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  font-size: 23px;
  line-height: 1;
}

.dialog-content {
  padding: 50px 52px 45px;
}

.dialog-kicker {
  margin: 0 0 10px;
  color: var(--mint-dark);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dialog-content h2 {
  max-width: 610px;
  margin: 0;
  font-size: 35px;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.dialog-objective {
  margin: 17px 0 23px;
  color: var(--ink-soft);
  font-size: 15px;
}

.dialog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.dialog-meta span {
  padding: 7px 9px;
  border-radius: 7px;
  background: var(--paper);
  color: #526467;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 9px;
}

.dialog-divider {
  height: 1px;
  margin: 29px 0;
  background: var(--line);
}

.dialog-scoring-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.dialog-scoring-head h3 {
  margin: 0 0 12px;
  font-size: 17px;
}

.dialog-scoring-head span {
  color: #7b898b;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.score-criterion {
  display: grid;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  grid-template-columns: 150px 1fr 30px;
  gap: 13px;
}

.score-criterion strong {
  font-size: 11px;
}

.score-criterion p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.55;
}

.score-criterion b {
  color: var(--amber-dark);
  font-family: Georgia, serif;
  font-size: 18px;
  font-weight: 500;
  text-align: right;
}

.dialog-note {
  padding: 13px 15px;
  margin: 19px 0 0;
  border-left: 3px solid var(--amber);
  border-radius: 0 7px 7px 0;
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 11px;
  line-height: 1.6;
}

.dialog-actions {
  display: flex;
  margin-top: 29px;
  gap: 10px;
}

.dialog-actions .button-secondary {
  border-color: var(--line);
  color: var(--ink);
}

@media (max-width: 1020px) {
  .hero-grid {
    gap: 48px;
    grid-template-columns: 1fr 0.75fr;
  }

  .hero h1 {
    font-size: clamp(47px, 6vw, 65px);
  }

  .filter-bar {
    grid-template-columns: 1fr auto;
  }

  .select-box {
    grid-column: 1 / -1;
  }

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

  .grading-intro,
  .grading-layout,
  .run-grid {
    gap: 48px;
  }

  .closing-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .site-nav {
    gap: 12px;
  }

  .site-nav a {
    white-space: nowrap;
  }

  .hero-grid {
    min-height: auto;
    padding-top: 145px;
    padding-bottom: 90px;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero-console {
    width: min(100%, 520px);
    margin: 10px auto 0;
  }
}

@media (max-width: 800px) {
  .shell {
    width: min(calc(100% - 34px), var(--shell));
  }

  .section {
    padding: 82px 0;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    display: none;
    padding: 15px 17px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(13, 27, 30, 0.98);
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 13px 8px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid > div:nth-child(3) {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .stats-grid > div:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .split-heading,
  .grading-intro,
  .grading-layout,
  .run-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .hil-policy {
    grid-template-columns: 1fr;
  }

  .hil-policy > div + div {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 0;
  }

  .hil-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .method-flow {
    grid-template-columns: repeat(2, 1fr);
  }

  .method-flow li:nth-child(3) {
    border-left: 0;
  }

  .method-flow li::after {
    display: none;
  }

  .principles-grid {
    gap: 30px;
  }

  .grading-intro {
    margin-bottom: 55px;
  }

  .grading-intro > p {
    padding-inline: 0;
    margin-top: 0;
  }

  .grading-layout {
    gap: 55px;
  }

  .after-run {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 580px) {
  .section {
    padding: 68px 0;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero-lede {
    font-size: 16px;
  }

  .hero-console {
    transform: none;
  }

  .console-body {
    padding: 22px 19px;
  }

  .stats-grid > div {
    min-height: 94px;
    padding: 20px 15px;
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
  }

  .stats-grid strong {
    font-size: 31px;
  }

  .stats-grid span {
    max-width: none;
  }

  .section-heading h2,
  .grading-intro h2,
  .closing-inner h2 {
    font-size: 39px;
  }

  .method-flow,
  .principles-grid,
  .task-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .method-flow li + li {
    border-left: 0;
    border-top: 0;
  }

  .principles-grid {
    margin-top: 55px;
  }

  .task-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  .filter-bar {
    grid-template-columns: 1fr;
  }

  .suite-tabs {
    overflow-x: auto;
  }

  .suite-tabs button {
    flex: 1;
  }

  .select-box {
    grid-column: auto;
  }

  .grading-card {
    padding: 28px 23px;
  }

  .grading-card blockquote {
    font-size: 22px;
  }

  .closing-actions,
  .hil-actions,
  .dialog-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .closing-actions .button,
  .hil-actions .button,
  .dialog-actions .button {
    width: 100%;
  }

  .hil-actions {
    width: 100%;
  }

  .footer-inner > div {
    flex-wrap: wrap;
  }

  .dialog-content {
    padding: 49px 23px 30px;
  }

  .dialog-content h2 {
    font-size: 29px;
  }

  .score-criterion {
    grid-template-columns: 1fr 28px;
  }

  .score-criterion p {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .score-criterion b {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (max-width: 420px) {
  .score-preview {
    align-items: start;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .review-state {
    justify-self: start;
  }
}

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