:root {
  --ink: #14332f;
  --ink-soft: #50645f;
  --paper: #f4f2eb;
  --panel: #fffefa;
  --line: #d9dfda;
  --teal: #176d62;
  --coral: #ff684e;
  --blue: #2f7df4;
  --gold: #f3b63f;
  --green: #37a778;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(20, 51, 47, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 51, 47, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid rgba(47, 125, 244, 0.42);
  outline-offset: 3px;
}

.study-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px max(24px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid rgba(20, 51, 47, 0.12);
  background: rgba(244, 242, 235, 0.92);
}

.study-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.study-brand strong,
.study-brand small {
  display: block;
}

.study-brand strong {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.study-brand small {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 0.7rem;
}

.study-brand__mark {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  border-radius: 13px;
  background: var(--ink);
}

.study-brand__mark i {
  width: 3px;
  border-radius: 3px;
  background: #f7d56b;
}

.study-brand__mark i:nth-child(1) {
  height: 10px;
}

.study-brand__mark i:nth-child(2) {
  height: 23px;
}

.study-brand__mark i:nth-child(3) {
  height: 15px;
}

.atlas-link {
  padding: 10px 14px;
  border: 1px solid #c4cec8;
  border-radius: 11px;
  font-size: 0.76rem;
  font-weight: 750;
  text-decoration: none;
}

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px 72px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0;
  color: #74817d;
  font-size: 0.7rem;
}

.breadcrumbs a {
  color: var(--teal);
  font-weight: 700;
  text-decoration: none;
}

.study-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: 42px;
  padding: 52px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--panel);
  box-shadow: 0 22px 70px rgba(20, 51, 47, 0.08);
}

.study-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #7d8b86;
  font-size: 0.68rem;
  font-weight: 750;
  text-transform: uppercase;
}

.type-pill {
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 0.63rem;
  font-weight: 800;
}

.type-pill--motor {
  color: #5949bd;
  background: #ece9ff;
}

.type-pill--sensory {
  color: #087c78;
  background: #ddf4f0;
}

.study-hero h1 {
  max-width: 720px;
  margin: 20px 0 0;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}

.study-hero > div > p {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.8;
}

.study-hero aside {
  align-self: end;
  display: grid;
  gap: 10px;
  padding: 22px;
  border-radius: 18px;
  background: #edf5f2;
}

.study-hero aside span {
  color: var(--teal);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.study-hero aside strong {
  font-size: 0.86rem;
  line-height: 1.55;
}

.study-hero aside a {
  margin-top: 6px;
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 800;
}

.study-section {
  padding: 72px 0 0;
}

.section-title p,
.related-section > p,
.source-panel__label {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-title h2,
.related-section h2,
.source-panel h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 2rem);
  letter-spacing: -0.035em;
}

.placement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.placement-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--panel);
}

.placement-card__label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #76847f;
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
}

.placement-card__label i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--teal);
}

.placement-card--g1 .placement-card__label i {
  background: var(--coral);
}

.placement-card--g2 .placement-card__label i {
  background: var(--blue);
}

.placement-card--stim .placement-card__label i {
  background: var(--gold);
}

.placement-card--ground .placement-card__label i {
  background: var(--green);
}

.placement-card h2 {
  margin: 13px 0 0;
  font-size: 1rem;
}

.placement-card p {
  margin: 9px 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.65;
}

.placement-card a {
  display: inline-block;
  margin-top: 14px;
  color: var(--teal);
  font-size: 0.67rem;
  font-weight: 800;
  text-decoration: none;
}

.split-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.table-wrap {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.73rem;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

thead th {
  color: #7d8b86;
  background: #f7f8f4;
  font-size: 0.6rem;
  text-transform: uppercase;
}

tbody th {
  font-weight: 650;
}

tbody tr:last-child > * {
  border-bottom: 0;
}

.technique-list {
  display: grid;
  gap: 1px;
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--line);
}

.technique-list > div {
  display: grid;
  gap: 5px;
  padding: 13px 15px;
  background: var(--panel);
}

.technique-list span {
  color: #7d8b86;
  font-size: 0.58rem;
  text-transform: uppercase;
}

.technique-list strong {
  font-size: 0.72rem;
  line-height: 1.5;
}

.source-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  margin-top: 72px;
  padding: 30px;
  border: 1px solid #bdd5ce;
  border-radius: 20px;
  background: #eff8f5;
}

.source-panel p:not(.source-panel__label) {
  max-width: 720px;
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.7;
}

.source-panel > a {
  padding: 11px 14px;
  border-radius: 11px;
  color: white;
  background: var(--teal);
  font-size: 0.72rem;
  font-weight: 800;
  text-decoration: none;
}

.related-section {
  padding-top: 72px;
}

.related-section > div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.related-section a {
  padding: 8px 11px;
  border: 1px solid #c4cec8;
  border-radius: 999px;
  background: rgba(255, 254, 250, 0.72);
  font-size: 0.7rem;
  font-weight: 700;
  text-decoration: none;
}

footer {
  margin-top: 72px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

footer strong {
  font-size: 0.82rem;
}

footer p {
  max-width: 820px;
  color: var(--ink-soft);
  font-size: 0.72rem;
  line-height: 1.7;
}

footer a {
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 800;
}

@media (max-width: 760px) {
  .study-header {
    padding: 10px 14px;
  }

  .study-brand small {
    display: none;
  }

  .atlas-link {
    max-width: 150px;
    padding: 8px 10px;
    font-size: 0.64rem;
    text-align: center;
  }

  main {
    padding: 0 14px 52px;
  }

  .study-hero {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px 22px;
  }

  .placement-grid,
  .split-section {
    grid-template-columns: 1fr;
  }

  .split-section {
    gap: 64px;
  }

  .source-panel {
    grid-template-columns: 1fr;
  }

  .source-panel > a {
    width: max-content;
  }
}