:root {
  --paper:#f8f9f4;
  --ink:#183f33;
  --muted:#53675b;
  --line:#d9dfd2;
  --accent:#193f33;
  --card:#fff;
  --focus:#315eee;
}
body {
  font-size:15px;
}
.site-header {
  height:106px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line);
}
.brand {
  font-size:22px;
}
.site-header nav {
  display:flex;
  gap:31px;
  align-items:center;
}
.nav-link.active {
  font-weight:700;
}
.saved-count {
  font-size:12px;
  border:1px solid #b3c2ac;
  border-radius:50%;
  padding:2px 6px;
  margin-left:4px;
}
.hero {
  display:grid;
  grid-template-columns:1.25fr 1fr;
  align-items:center;
  gap:45px;
  padding-top:62px;
  padding-bottom:41px;
}
.hero-kicker {
  display:flex;
  align-items:center;
  gap:9px;
  margin-bottom:23px;
}
.hero-kicker span {
  width:7px;
  height:7px;
  border-radius:50%;
  background:#6b8d37;
}
.hero h1 {
  font-size:clamp(44px,5.25vw,73px);
  font-weight:500;
  line-height:1.04;
  margin-bottom:25px;
}
.hero h1 em {
  font-family:var(--font-sans);
  font-weight:400;
}
.hero-description {
  max-width:470px;
  color:var(--muted);
  font-size:15px;
  line-height:1.7;
  margin-bottom:0;
}
.search-section {
  padding-top:8px;
}
.search-bar {
  display:flex;
  background:#fff;
  border:1px solid #bac9b5;
  box-shadow:0 5px 0 #e9eedf;
  border-radius:8px;
  padding:8px;
  gap:8px;
}
.search-field {
  display:flex;
  align-items:center;
  gap:12px;
  flex:1;
  padding-left:14px;
}
.search-field input {
  border:0;
  background:transparent;
  width:100%;
  padding:13px 2px;
  font-size:14px;
}
.search-field input::placeholder {
  color:#657360;
}
.format-field {
  display:flex;
  flex-direction:column;
  justify-content:center;
  min-width:190px;
  border-left:1px solid var(--line);
  padding:0 20px;
}
.format-field label {
  font-size:12px;
  font-weight:700;
  color:var(--muted);
}
.format-field select {
  border:0;
  background:transparent;
  color:var(--ink);
  padding:1px 17px 1px 0;
  font-size:13px;
  width:100%;
}
.search-bar .button {
  padding-inline:24px;
}
.quick-filters {
  display:flex;
  align-items:center;
  gap:9px;
  flex-wrap:wrap;
  padding-top:23px;
}
.quick-filters>span {
  font-size:12px;
  color:var(--muted);
  margin-right:6px;
}
.quick-filters button {
  border:1px solid var(--line);
  border-radius:999px;
  background:transparent;
  padding:7px 14px;
  font-size:12px;
}
.quick-filters button[aria-pressed=true] {
  color:#fff;
  background:var(--ink);
  border-color:var(--ink);
}
.studies-section {
  padding-top:61px;
  padding-bottom:63px;
  scroll-margin-top:24px;
}
.section-heading {
  display:flex;
  justify-content:space-between;
  gap:20px;
  align-items:flex-end;
  margin-bottom:25px;
}
.section-heading .section-label {
  font-size:12px;
  color:var(--muted);
  margin-bottom:10px;
}
.section-heading h2 {
  font-size:36px;
  font-weight:500;
  margin:0;
}
.study-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.study-card {
  border:1px solid var(--line);
  background:#fff;
  border-radius:9px;
  overflow:hidden;
}
.card-content {
  padding:16px 20px 18px;
}
.card-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  min-height:36px;
  margin-bottom:10px;
}
.card-topic {
  font-size:12px;
  font-weight:700;
  color:var(--muted);
}
.card-top .save-button {
  width:32px;
  height:32px;
}
.card-top .icon {
  width:15px;
  height:15px;
}
.study-card h3 {
  font-size:20px;
  line-height:1.3;
  min-height:52px;
  margin:0 0 16px;
}
.study-title {
  text-align:left;
  background:none;
  border:0;
  padding:0;
  font:inherit;
  line-height:inherit;
}
.study-title:hover {
  text-decoration:underline;
  text-underline-offset:4px;
}
.study-meta {
  display:flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  color:var(--muted);
  margin-bottom:20px;
}
.study-meta .icon {
  width:14px;
  height:14px;
}
.study-meta>span {
  margin:0 2px;
}
.card-bottom {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  border-top:1px solid var(--line);
  padding-top:14px;
}
.reward {
  font-size:12px;
  background:#f0f1ec;
  padding:4px 8px;
  border-radius:3px;
}
.reward.paid {
  background:#e8efd5;
}
.detail-link {
  display:flex;
  gap:6px;
  align-items:center;
  border:0;
  background:transparent;
  font-size:12px;
  font-weight:700;
  padding:5px 0;
}
.detail-link .icon {
  width:15px;
  height:15px;
}
.sample-note {
  font-size:12px;
  color:var(--muted);
  margin:17px 0 0;
}
.researcher-section {
  background:#e8eedf;
  border-block:1px solid #d6dfcd;
  padding:58px 0;
}
.researcher-inner {
  display:grid;
  grid-template-columns:1fr .85fr;
  gap:140px;
  align-items:center;
}
.researcher-inner .section-label {
  font-size:12px;
}
.researcher-inner h2 {
  font-size:46px;
  font-weight:500;
  margin-bottom:20px;
}
.researcher-inner p:not(.section-label) {
  font-size:13px;
  line-height:1.8;
  max-width:420px;
  color:var(--muted);
}
.researcher-inner .button {
  margin-top:10px;
}
.post-checklist {
  border-top:1px solid #c5d3b9;
  padding-top:20px;
}
.post-checklist>div {
  display:flex;
  gap:20px;
  border-bottom:1px solid #c5d3b9;
  padding:17px 0;
  align-items:center;
}
.post-checklist span {
  font-size:12px;
  color:#688058;
}
.post-checklist h3 {
  font-size:14px;
  font-weight:500;
  margin:0;
  line-height:1.4;
}
.footer-link {
  font:inherit;
  border:0;
  background:none;
  padding:0;
  text-decoration:underline;
  text-underline-offset:3px;
}
@media(min-width:1500px) {
  .hero h1 {
    font-size:73px;
  }
}
@media(max-width:1050px) {
  .hero h1 {
    font-size:60px;
  }
  .hero {
    gap:10px;
  }
  .site-header nav {
    gap:20px;
  }
  .researcher-inner {
    gap:60px;
  }
  .study-grid {
    gap:15px;
  }
  .card-content {
    padding:14px;
  }
  .card-bottom {
    flex-wrap:wrap;
  }
}
@media(max-width:800px) {
  .hero h1 {
    font-size:49px;
  }
  .hero {
    padding-top:40px;
    gap:0;
  }
  .hero-description {
    font-size:13px;
  }
  .site-header nav {
    gap:15px;
  }
  .site-header .header-cta {
    display:none;
  }
  .study-grid {
    grid-template-columns:repeat(2,1fr);
  }
  .format-field {
    min-width:140px;
    padding-inline:12px;
  }
  .search-bar .button {
    padding-inline:16px;
  }
  .researcher-inner {
    gap:35px;
  }
  .researcher-inner h2 {
    font-size:37px;
  }
}
@media(max-width:600px) {
  .site-header {
    height:88px;
  }
  .brand {
    font-size:18px;
  }
  .site-header nav {
    gap:16px;
  }
  .site-header nav a[href="#researchers"] {
    display:none;
  }
  .nav-link {
    font-size:12px;
  }
  .hero {
    grid-template-columns:1fr;
    padding-top:35px;
    padding-bottom:26px;
  }
  .hero h1 {
    font-size:53px;
  }
  .hero-description {
    font-size:14px;
    max-width:400px;
  }
  .hero-kicker {
    font-size:12px;
  }
  .search-bar {
    flex-wrap:wrap;
    gap:8px;
  }
  .search-field {
    width:100%;
    flex:auto;
    border-bottom:1px solid var(--line);
    padding:0 8px 7px;
  }
  .format-field {
    border:0;
    flex:1;
    min-height:48px;
  }
  .search-bar .button {
    font-size:12px;
  }
  .quick-filters {
    gap:7px;
    padding-top:19px;
  }
  .quick-filters>span {
    width:100%;
  }
  .quick-filters button {
    padding:7px 11px;
    font-size:12px;
  }
  .studies-section {
    padding-top:40px;
    padding-bottom:40px;
  }
  .section-heading h2 {
    font-size:31px;
  }
  .section-heading .section-label {
    font-size:12px;
    max-width:190px;
  }
  .section-heading .status {
    font-size:12px;
  }
  .study-grid {
    grid-template-columns:1fr;
  }
  .card-content {
    padding:16px 20px;
  }
  .study-card h3 {
    min-height:0;
    font-size:22px;
  }
  .card-bottom {
    flex-wrap:nowrap;
  }
  .researcher-inner {
    grid-template-columns:1fr;
    gap:35px;
  }
  .researcher-section {
    padding:40px 0;
  }
  .researcher-inner h2 {
    font-size:42px;
  }
  .researcher-inner p:not(.section-label) {
    font-size:14px;
  }
}
.hero {
  padding-top:48px;
  padding-bottom:32px;
}
.hero-trust {
  max-width:435px;
}
.study-card .study-purpose {
  min-height:38px;
  margin-bottom:14px;
}
.study-card .organizer-link {
  min-height:43px;
  align-items:flex-start;
}
.study-card .fit-line {
  min-height:32px;
}
.study-card .study-meta {
  margin-bottom:13px;
}
.study-card .information-line {
  min-height:32px;
}
.card-content {
  padding-top:14px;
}
.study-card h3 {
  margin-bottom:11px;
}
.section-heading {
  align-items:flex-end;
}
.section-heading .status {
  white-space:nowrap;
}
@media(max-width:800px) {
  .section-heading {
    align-items:flex-start;
  }
  .section-heading .status {
    padding-top:26px;
    font-size:12px;
  }
  .hero-trust {
    max-width:350px;
  }
}
@media(max-width:600px) {
  .hero {
    padding-top:35px;
    padding-bottom:26px;
  }
  .hero-trust {
    max-width:none;
  }
  .study-card .study-purpose,.study-card .fit-line,.study-card .information-line {
    min-height:0;
  }
  .study-card .organizer-link {
    min-height:0;
    margin-bottom:17px;
  }
  .section-heading {
    gap:12px;
  }
  .section-description {
    max-width:250px;
  }
  .section-heading .status {
    padding-top:23px;
    font-size:12px;
  }
  .study-card h3 {
    margin-bottom:12px;
  }
}
.site-header {
  height:88px;
}
.brand {
  font-size:22px;
}
.hero {
  grid-template-columns:1.7fr .85fr;
  gap:90px;
  padding-block:40px;
}
.hero h1 {
  font-size:57px;
  font-weight:600;
  line-height:1.1;
  margin-bottom:19px;
}
.hero-description {
  font-size:15px;
  line-height:1.65;
  max-width:560px;
}
.researcher-prompt {
  padding:22px 24px;
  border-left:2px solid #bfd0b5;
}
.researcher-prompt h2 {
  font-size:20px;
  font-weight:600;
  margin-bottom:10px;
}
.researcher-prompt p {
  font-size:14px;
  color:var(--muted);
  line-height:1.6;
  margin-bottom:15px;
}
.researcher-prompt .button {
  font-size:13px;
  min-height:40px;
  padding:10px 15px;
}
.search-bar {
  box-shadow:none;
  border-radius:4px;
}
.quick-filters button {
  font-size:12px;
  padding:7px 12px;
  border-radius:4px;
}
.studies-section {
  padding-top:39px;
}
.section-heading h2 {
  font-size:28px;
  font-weight:600;
  line-height:1.2;
}
.study-grid {
  gap:20px;
}
.study-card {
  border-radius:4px;
}
.card-content {
  padding:18px 20px;
}
.card-top {
  margin-bottom:12px;
  min-height:30px;
}
.card-topic {
  font-size:12px;
  font-weight:500;
}
.study-card h3 {
  font-size:21px;
  font-weight:600;
  line-height:1.3;
  min-height:54px;
  margin-bottom:12px;
}
.study-card .study-purpose {
  font-size:14px;
  min-height:44px;
}
.study-card .organizer-link {
  min-height:47px;
}
.study-card .fit-line {
  font-size:12px;
  min-height:38px;
}
.study-card .information-line {
  min-height:38px;
}
.study-meta,.findings-link,.detail-link,.reward {
  font-size:12px;
}
.card-top .save-button {
  width:35px;
  height:35px;
}
.researcher-inner h2 {
  font-size:34px;
  font-weight:600;
  line-height:1.15;
}
.researcher-inner p:not(.section-label) {
  font-size:14px;
}
.post-checklist>h3 {
  font-size:15px;
  margin-bottom:7px;
  font-weight:600;
}
.post-checklist h3 {
  font-size:14px;
  line-height:1.5;
}
@media(max-width:1050px) {
  .hero {
    gap:40px;
  }
  .hero h1 {
    font-size:48px;
  }
  .study-card h3 {
    font-size:20px;
  }
}
@media(max-width:800px) {
  .hero {
    gap:22px;
    grid-template-columns:1.3fr .8fr;
  }
  .hero h1 {
    font-size:39px;
  }
  .researcher-prompt {
    padding:15px 18px;
  }
  .researcher-prompt p {
    font-size:13px;
  }
  .section-heading h2 {
    font-size:25px;
  }
}
@media(max-width:600px) {
  .site-header {
    height:78px;
  }
  .brand {
    font-size:20px;
  }
  .hero {
    grid-template-columns:1fr;
    gap:22px;
    padding-block:29px;
  }
  .hero h1 {
    font-size:40px;
  }
  .hero-description {
    font-size:15px;
  }
  .researcher-prompt {
    padding:0 0 0 16px;
  }
  .researcher-prompt h2 {
    font-size:17px;
    margin-bottom:6px;
  }
  .researcher-prompt p {
    font-size:13px;
    margin-bottom:11px;
    max-width:330px;
  }
  .researcher-prompt .button {
    min-height:37px;
    font-size:12px;
  }
  .studies-section {
    padding-top:31px;
  }
  .section-heading {
    display:block;
  }
  .section-heading h2 {
    font-size:25px;
  }
  .section-heading .status {
    padding-top:0;
    margin-top:12px;
  }
  .section-description {
    max-width:none;
  }
  .study-card h3 {
    font-size:22px;
    min-height:0;
  }
  .study-card .study-purpose,.study-card .organizer-link,.study-card .fit-line,.study-card .information-line {
    min-height:0;
  }
  .researcher-inner h2 {
    font-size:30px;
  }
  .card-bottom {
    gap:15px;
  }
}
@media(max-width:420px) {
  .site-header {
    height:auto;
    min-height:78px;
    padding-block:18px;
    flex-wrap:wrap;
    gap:13px;
  }
  .site-header .brand {
    font-size:19px;
  }
  .site-header nav {
    gap:14px;
  }
  .site-header .nav-link {
    font-size:12px;
  }
}