/* PERTS Elevate Resource Library */

:root {
  --primary: #167bb1;
  --primary-hover: #12699a;
  --primary-dark: #061d2a;
  --primary-light: #acdbf4;
  --primary-tint: #eaf5fb;
  --primary-wash: #f4f9fd;
  --math: #b45309;
  --math-tint: #fdf1e3;
  --text: #2b3138;
  --text-muted: #5b6672;
  --border: #e2e8ee;
  --border-strong: #cdd6df;
  --surface: #ffffff;
  --bg: #f7f9fb;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(6, 29, 42, 0.06);
  --shadow: 0 1px 2px rgba(6, 29, 42, 0.05), 0 4px 16px rgba(6, 29, 42, 0.06);
  --shadow-hover: 0 2px 4px rgba(6, 29, 42, 0.06), 0 12px 28px rgba(6, 29, 42, 0.12);
  --header-h: 68px;
  --font: 'Open Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
}

a:hover {
  color: var(--primary-hover);
}

:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
  border-radius: 4px;
}

h1,
h2,
h3 {
  color: var(--primary-dark);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 100;
  padding: 8px 14px;
  background: var(--primary-dark);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 12px;
}

/* ------------------------------------------------------------- header -- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: var(--primary-dark);
  min-width: 0;
}

.brand img {
  width: 126px;
  flex: none;
}

.brand-name {
  padding-left: 16px;
  border-left: 1px solid var(--border-strong);
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: 4px;
}

.site-nav a {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.site-nav a:hover {
  background: var(--primary-tint);
  color: var(--primary-dark);
}

/* --------------------------------------------------------------- hero -- */

.hero {
  background:
    radial-gradient(900px 400px at 90% -10%, rgba(172, 219, 244, 0.55), transparent 60%),
    linear-gradient(180deg, var(--primary-wash) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 56px;
  align-items: center;
  padding-top: 56px;
  padding-bottom: 56px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(32px, 4.2vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0;
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 62ch;
}

.hero-icons {
  display: grid;
  grid-template-columns: repeat(7, 40px);
  gap: 8px;
  margin-top: 28px;
}

.hero-icons img {
  width: 40px;
  border-radius: 9px;
  box-shadow: var(--shadow-sm);
}

/* ---------------------------------------------------------- doc cards -- */

.doc-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.doc-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  color: inherit;
}

.doc-thumb {
  display: block;
  background: var(--primary-tint);
  border-bottom: 1px solid var(--border);
  aspect-ratio: 463 / 600;
  overflow: hidden;
}

.doc-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.doc-text {
  display: block;
  padding: 12px 14px 14px;
}

.doc-kicker {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
}

.doc-title {
  display: block;
  margin-top: 2px;
  font-weight: 700;
  font-size: 14px;
  line-height: 1.35;
  color: var(--primary-dark);
}

.doc-card--hero {
  transform: rotate(1.5deg);
}

.doc-card--hero:hover {
  transform: rotate(0deg) translateY(-3px);
}

.doc-row {
  display: grid;
  grid-template-columns: repeat(2, 200px);
  gap: 20px;
  margin-top: 20px;
}

/* --------------------------------------------------------------- tabs -- */

.tabs {
  display: flex;
  gap: 4px;
  margin: 32px 0 0;
  border-bottom: 1px solid var(--border);
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  margin-bottom: -1px;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
}

.tab:hover {
  color: var(--primary-dark);
}

.tab[aria-selected='true'] {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

.tab-count {
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--border);
  color: var(--text-muted);
}

.tab[aria-selected='true'] .tab-count {
  background: var(--primary-tint);
  color: var(--primary);
}

.tab-panel {
  padding: 24px 0 72px;
}

/* ------------------------------------------------------------ filters -- */

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px 16px;
  margin-bottom: 24px;
}

.filter {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 200px;
}

.filter-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.filter select {
  appearance: none;
  font: inherit;
  font-size: 15px;
  color: var(--text);
  padding: 9px 38px 9px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5' fill='none' stroke='%235b6672' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
      no-repeat right 10px center / 18px,
    var(--surface);
  cursor: pointer;
}

.filter select:hover {
  border-color: var(--primary);
}

.filter-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  padding-bottom: 9px;
  color: var(--text-muted);
  font-size: 14px;
}

.filter-status strong {
  color: var(--primary-dark);
}

.link-button {
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
}

/* -------------------------------------------------------------- cards -- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
  color: inherit;
}

.card[hidden] {
  display: none;
}

.card-media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.card-media--video img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.card:hover .card-media--video img {
  transform: scale(1.03);
}

.card-media--icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.7), transparent 55%),
    linear-gradient(135deg, var(--primary-tint), #d6ecf8);
}

.card-media--icons img {
  width: 56px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(6, 29, 42, 0.12);
}

.play-badge {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 52px;
  height: 52px;
  margin: -26px 0 0 -26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  color: var(--primary);
  box-shadow: 0 6px 18px rgba(6, 29, 42, 0.25);
  transition: transform 0.15s ease;
}

.play-badge svg {
  width: 24px;
  height: 24px;
  margin-left: 3px;
}

.card:hover .play-badge,
.video-poster:hover .play-badge {
  transform: scale(1.08);
}

.duration {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(6, 29, 42, 0.78);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.card-body {
  display: block;
  padding: 18px 20px 8px;
  flex: 1;
}

.card-title {
  display: block;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary-dark);
}

.card-text {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-muted);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 12px 20px 18px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
  vertical-align: middle;
}

.tag--math {
  background: var(--math-tint);
  border-color: #f6d9b5;
  color: var(--math);
}

.tag--video {
  background: var(--primary-tint);
  border-color: var(--primary-light);
  color: var(--primary);
}

.tag--video svg {
  width: 13px;
  height: 13px;
}

/* Learning condition cards */

.lc-card {
  padding: 20px;
  gap: 12px;
}

.lc-card-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lc-card-head img {
  width: 56px;
  flex: none;
  border-radius: 12px;
}

.lc-card .card-text {
  margin: 0;
  flex: 1;
}

.lc-card .card-meta {
  padding: 4px 0 0;
}

.card-arrow {
  margin-left: auto;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--primary-tint);
  color: var(--primary);
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.card-arrow svg {
  width: 16px;
  height: 16px;
}

.lc-card:hover .card-arrow {
  background: var(--primary);
  color: #fff;
  transform: translateX(2px);
}

/* -------------------------------------------------------- page header -- */

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 24px 0 0;
  font-size: 14px;
  color: var(--text-muted);
}

.breadcrumbs li + li::before {
  content: '/';
  margin-right: 6px;
  color: var(--border-strong);
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.page-header {
  padding: 20px 0 32px;
}

.page-header h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 3.6vw, 42px);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-header h1 .tag {
  font-size: 14px;
  letter-spacing: 0;
  margin-left: 6px;
  position: relative;
  top: -4px;
}

.page-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-tags .tag {
  font-size: 13px;
  padding: 4px 12px;
  background: var(--surface);
}

.page-tags .tag--math {
  background: var(--math-tint);
}

.page-tags .tag--video {
  background: var(--primary-tint);
}

.page-header--lc {
  display: flex;
  gap: 28px;
  align-items: center;
}

.lc-hero-icon {
  width: 108px;
  flex: none;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

/* ------------------------------------------------------ practice page -- */

.practice-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
  align-items: start;
  padding-bottom: 80px;
}

.article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.video {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--primary-dark);
}

.video-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.video-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-poster::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6, 29, 42, 0.35));
}

.play-badge--large {
  width: 80px;
  height: 80px;
  margin: -40px 0 0 -40px;
  z-index: 1;
}

.play-badge--large svg {
  width: 34px;
  height: 34px;
}

.video .duration {
  z-index: 1;
  right: 16px;
  bottom: 16px;
  font-size: 13px;
}

.video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* Prose from Markdown */

.prose {
  padding: 36px 44px 44px;
  font-size: 17px;
  line-height: 1.7;
}

.prose > :first-child {
  margin-top: 0;
}

.prose h2 {
  margin: 2em 0 0.6em;
  padding-top: 1.4em;
  border-top: 1px solid var(--border);
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
}

.prose h2:first-child {
  padding-top: 0;
  border-top: 0;
}

.prose h3 {
  margin: 1.6em 0 0.4em;
  font-size: 20px;
  font-weight: 700;
}

.prose p {
  margin: 0 0 1em;
}

.prose ul,
.prose ol {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
}

.prose li {
  margin: 0.35em 0;
}

.prose li::marker {
  color: var(--primary);
}

/* Numbered steps */
.prose > ol {
  list-style: none;
  counter-reset: step;
  padding-left: 0;
}

.prose > ol > li {
  counter-increment: step;
  position: relative;
  padding-left: 48px;
  margin: 0 0 1.1em;
}

.prose > ol > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  min-width: 30px;
  height: 30px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--primary-dark);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
}

.prose ul ul {
  list-style-type: circle;
}

.prose blockquote {
  margin: 1.2em 0;
  padding: 14px 20px;
  border-left: 4px solid var(--primary-light);
  background: var(--primary-wash);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}

.prose a {
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose strong {
  color: var(--primary-dark);
}

.prose table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2em 0;
  font-size: 15px;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}

.checklist ul {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  position: relative;
  padding-left: 32px;
}

.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 18px;
  height: 18px;
  border: 2px solid var(--primary);
  border-radius: 4px;
}

/* Sidebar */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.side-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 18px;
}

.side-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.side-card .side-title:not(:first-child) {
  margin-top: 20px;
}

.resource-list,
.lc-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.resource {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.resource:hover {
  border-color: var(--primary-light);
  background: var(--primary-wash);
  color: inherit;
}

.resource-icon {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--primary-tint);
  color: var(--primary);
}

.resource-icon svg {
  width: 20px;
  height: 20px;
}

.resource-name {
  display: block;
  font-weight: 600;
  font-size: 14.5px;
  line-height: 1.3;
  color: var(--primary-dark);
}

.resource-kind {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.lc-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  margin: 0 -8px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--primary-dark);
  font-weight: 600;
  font-size: 14.5px;
}

.lc-links a:hover {
  background: var(--primary-wash);
  color: var(--primary);
}

.lc-links img {
  width: 30px;
  border-radius: 7px;
  flex: none;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: background 0.15s ease;
}

.button:hover {
  background: var(--primary-hover);
  color: #fff;
}

.button svg {
  width: 18px;
  height: 18px;
}

.button--block {
  width: 100%;
}

.toc {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  padding: 4px 4px 4px 18px;
  border-left: 2px solid var(--border);
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
}

.toc li {
  margin: 0;
}

.toc a {
  display: block;
  padding: 4px 0;
  color: var(--text-muted);
  text-decoration: none;
}

.toc a:hover,
.toc a.is-current {
  color: var(--primary);
}

.toc a.is-current {
  font-weight: 700;
}

/* -------------------------------------------- learning condition page -- */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 36px;
}

.panel h2,
.lc-practices h2 {
  margin: 0 0 20px;
  font-size: 24px;
  font-weight: 700;
}

.survey-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.survey-items blockquote {
  position: relative;
  height: 100%;
  margin: 0;
  padding: 24px 22px 22px;
  border-radius: var(--radius);
  background: var(--primary-wash);
  border: 1px solid #d9ebf6;
  font-size: 17px;
  font-style: italic;
  line-height: 1.5;
  color: var(--primary-dark);
}

.measure-docs {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.measure-docs p {
  margin: 0;
  max-width: 52ch;
  font-size: 17px;
  color: var(--text-muted);
}

.measure-docs .doc-row {
  grid-template-columns: repeat(2, 176px);
  margin-top: 0;
}

.measure-docs .doc-card {
  box-shadow: var(--shadow-sm);
}

.lc-practices {
  padding: 48px 0 80px;
}

/* -------------------------------------------------------------- misc -- */

.not-found {
  padding: 96px 24px 120px;
  text-align: center;
}

.not-found .lede {
  margin: 0 auto 28px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 28px;
  padding-bottom: 28px;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-inner p {
  margin: 0;
}

/* ------------------------------------------------------------ narrow -- */

@media (max-width: 960px) {
  .practice-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .practice-layout {
    gap: 20px;
  }

  /* Key resources stay above the article; the rest follows it. */
  .sidebar {
    display: contents;
  }

  .side-card--resources {
    order: -1;
  }

  .toc {
    display: none;
  }
}

@media (max-width: 760px) {
  .wrap {
    padding: 0 16px;
  }

  :root {
    --header-h: 60px;
  }

  .brand img {
    width: 96px;
  }

  .brand {
    gap: 12px;
  }

  .brand-name {
    padding-left: 12px;
    font-size: 14px;
  }

  .site-nav {
    display: none;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding-top: 36px;
    padding-bottom: 40px;
  }

  .doc-card--hero {
    transform: none;
    flex-direction: row;
    align-items: center;
  }

  .doc-card--hero .doc-thumb {
    width: 92px;
    flex: none;
    border-bottom: 0;
    border-right: 1px solid var(--border);
  }

  .doc-card--hero:hover {
    transform: translateY(-2px);
  }

  .lede {
    font-size: 17px;
  }

  .tab {
    padding: 12px 10px;
    font-size: 15px;
  }

  .filter {
    min-width: 0;
    flex: 1 1 100%;
  }

  .filter-status {
    margin-left: 0;
    padding-bottom: 0;
  }

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

  .prose {
    padding: 24px 20px 28px;
    font-size: 16px;
  }

  .prose h2 {
    font-size: 22px;
  }

  .prose > ol > li {
    padding-left: 42px;
  }

  .panel {
    padding: 24px 20px;
  }

  .page-header--lc {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .lc-hero-icon {
    width: 80px;
    border-radius: 16px;
  }

  .hero-icons {
    grid-template-columns: repeat(7, minmax(0, 40px));
  }

  .measure-docs {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .doc-row,
  .measure-docs .doc-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

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

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}