:root {
  color-scheme: light;
  --ink: #172c23;
  --green: #245c43;
  --muted: #637168;
  --line: #dbe3dc;
  --paper: #f7f9f6;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
a {
  color: var(--green);
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
  cursor: pointer;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid #8a6125;
  outline-offset: 5px;
}
.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 100px;
  border-bottom: 1px solid var(--line);
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 23px;
  font-weight: 750;
  letter-spacing: -1px;
}
.brand span {
  color: #83a48c;
  margin-left: 3px;
}
.header nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.header nav > a:not(.button) {
  text-decoration: none;
  font-weight: 600;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  border: 1px solid var(--green);
  border-radius: 9px;
  background: var(--green);
  color: white;
  padding: 13px 22px;
  font-weight: 650;
  text-decoration: none;
  min-height: 48px;
}
.button:hover {
  background: #194832;
}
.small {
  padding: 9px 17px;
}
.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 72px;
  align-items: center;
  padding: 88px 0 76px;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 1.7px;
  font-weight: 750;
  color: var(--muted);
  margin: 0 0 18px;
}
h1,
h2,
h3 {
  font-weight: 650;
  line-height: 1.16;
  letter-spacing: -1.2px;
  margin: 0 0 22px;
}
h1 {
  font-size: clamp(38px, 5vw, 64px);
}
h1 span {
  color: var(--green);
}
h2 {
  font-size: 32px;
}
h3 {
  font-size: 23px;
  letter-spacing: -0.5px;
}
p {
  margin: 0 0 22px;
}
.lede {
  font-size: 20px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 650px;
}
.actions {
  display: flex;
  align-items: center;
  gap: 25px;
  flex-wrap: wrap;
  margin: 28px 0 18px;
}
.text-link {
  font-weight: 650;
  text-decoration: none;
}
.fine {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.sample {
  padding: 38px;
  background: #e6eee5;
  border: 1px solid #d3dfd2;
  border-radius: 16px;
  transform: rotate(1deg);
}
.sample-title {
  font-size: 30px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.8px;
}
.sample p:not(.sample-title) {
  color: #506657;
}
.section {
  padding: 48px 0;
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 14px;
}
.section-head a {
  white-space: nowrap;
  margin-bottom: 25px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.card {
  display: block;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 12px;
  text-decoration: none;
  color: var(--ink);
  background: white;
  transition: border-color 0.15s;
}
.card:hover {
  border-color: var(--green);
}
.card .eyebrow {
  display: block;
}
.card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}
.card .text-link {
  font-size: 14px;
  color: var(--green);
}
.quiz {
  max-width: 760px;
  margin: 48px auto;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  scroll-margin-top: 24px;
}
.quiz > p {
  color: var(--muted);
  font-size: 15px;
}
.quiz h3 {
  margin-top: 20px;
  font-size: 23px;
  line-height: 1.4;
}
.choices {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}
.choice {
  text-align: left;
  display: block;
  width: 100%;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
  min-height: 56px;
}
.choice:hover:not([aria-disabled="true"]) {
  border-color: var(--green);
  background: var(--paper);
}
.choice[aria-disabled="true"] {
  cursor: default;
}
.choice.correct {
  border-color: #3b7a53;
  background: #edf6ed;
}
.choice.incorrect {
  border-color: #ad6554;
  background: #fcf0eb;
}
.choice span {
  display: block;
  font-weight: 650;
  font-size: 13px;
  margin-top: 5px;
}
.feedback:not(:empty) {
  padding: 18px;
  background: var(--paper);
  border-radius: 8px;
  margin-bottom: 20px;
}
.feedback p {
  font-size: 15px;
  margin: 6px 0 0;
}
progress {
  width: 100%;
  height: 5px;
  appearance: none;
  border: 0;
  background: var(--line);
  display: block;
}
progress::-webkit-progress-bar {
  background: var(--line);
  border-radius: 10px;
}
progress::-webkit-progress-value {
  background: var(--green);
  border-radius: 10px;
}
progress::-moz-progress-bar {
  background: var(--green);
}
.next-step {
  border-top: 1px solid var(--line);
  padding: 64px 0;
  max-width: 760px;
}
.next-step p {
  color: var(--muted);
}
.quiz textarea {
  display: block;
  width: 100%;
  min-height: 110px;
  margin-top: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  resize: vertical;
}
.footer {
  border-top: 1px solid var(--line);
  padding-top: 34px;
  padding-bottom: 32px;
  color: var(--muted);
  font-size: 14px;
}
.footer .brand {
  font-size: 18px;
  margin-bottom: 12px;
}
.footer > a:not(.brand) {
  margin-right: 24px;
  display: inline-block;
  margin-bottom: 20px;
}
.footer p {
  margin-bottom: 12px;
}
.intro {
  padding: 64px 0 38px;
}
.article {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 0;
}
.article h1 {
  font-size: clamp(35px, 5vw, 52px);
  margin-top: 24px;
}
.article > section {
  margin-top: 36px;
}
.article > section h2,
.example h2 {
  font-size: 25px;
  letter-spacing: -0.6px;
}
.article > section > p,
.example p {
  line-height: 1.85;
  color: #3f5146;
}
.breadcrumbs {
  font-size: 13px;
  margin: 0 0 38px;
  color: var(--muted);
}
.example {
  padding: 28px;
  border-left: 3px solid var(--green);
  background: #eaf0e7;
  margin: 36px 0;
}
.example p:last-child {
  margin-bottom: 0;
}
.takeaway {
  font-size: 18px;
}
.sources {
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.sources ul {
  padding-left: 20px;
  font-size: 14px;
}
.sources li {
  margin: 10px 0;
}
.skip {
  position: absolute;
  left: 16px;
  top: -100px;
  background: white;
  z-index: 10;
  padding: 12px;
}
.skip:focus {
  top: 12px;
}
@media (max-width: 700px) {
  .header .small {
    display: none;
  }
  .wrap {
    padding-left: 22px;
    padding-right: 22px;
  }
  .header {
    min-height: 82px;
    gap: 12px;
  }
  .brand {
    font-size: 20px;
    gap: 7px;
  }
  .brand img {
    width: 25px;
    height: 25px;
  }
  .header nav {
    gap: 15px;
    font-size: 14px;
  }
  .small {
    padding: 8px 12px;
    gap: 8px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 34px;
  }
  .sample {
    transform: none;
    padding: 26px;
  }
  .sample-title {
    font-size: 26px;
  }
  .lede {
    font-size: 18px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .card {
    padding: 25px;
  }
  .section {
    padding: 30px 0;
  }
  .section-head {
    display: block;
  }
  .section-head a {
    display: inline-block;
    margin: 0 0 18px;
  }
  h2 {
    font-size: 28px;
  }
  .quiz {
    padding: 24px 20px;
    margin: 32px auto;
  }
  .quiz h3 {
    font-size: 21px;
  }
  .next-step {
    padding: 42px 0;
  }
  .intro {
    padding: 44px 0 24px;
  }
  .article {
    padding-top: 24px;
  }
  .article h1 {
    font-size: 36px;
  }
  .article .quiz {
    margin-left: 0;
    margin-right: 0;
  }
  .breadcrumbs {
    margin-bottom: 28px;
  }
  .actions {
    gap: 20px;
  }
  .example {
    padding: 22px;
  }
  .footer {
    padding-top: 28px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .card {
    transition: none;
  }
}
.daily-invitation {
  padding: 28px;
  border: 1px solid #ccd9cf;
  border-radius: 16px;
  background: #edf3ed;
  margin: 24px 0 48px;
}
.collection-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.collection-links a {
  padding: 12px 16px;
  border: 1px solid #ccd9cf;
  border-radius: 10px;
}
.interest-group {
  border-top: 1px solid #ccd9cf;
  padding: 20px 0;
}
.interest-group summary {
  cursor: pointer;
  min-height: 44px;
  font-weight: 600;
  font-size: 22px;
}
.interest-group summary span {
  display: block;
}
.interest-group .grid {
  margin: 20px 0;
}
[data-quiz] .text-link {
  display: inline-block;
  padding: 12px 0;
}

.quiz select { font: inherit; padding: 10px; max-width: 100%; border: 1px solid #ccd9cf; border-radius: 8px; background: white; color: #24392d; }