:root {
  --ink:#183330;
  --muted:#576c65;
  --teal:#0d7766;
  --line:#dce6de;
  --paper:#f8faf6;
  --mint:#e3f2e8;
  --serif:Georgia,'Times New Roman',serif;
  --sans:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  font-synthesis:none;
  color-scheme:light
}
* {
  box-sizing:border-box
}
html {
  scroll-behavior:smooth
}
body {
  margin:0
}
a {
  color:inherit
}
button,input {
  font:inherit
}
button,a,input,summary {
  -webkit-tap-highlight-color:transparent
}
button {
  cursor:pointer
}
button:disabled {
  cursor:default
}
a {
  text-underline-offset:4px
}
img {
  display:block;
  max-width:100%;
  height:auto
}
button svg,a svg {
  pointer-events:none
}
[hidden] {
  display:none!important
}
.icon {
  width:21px;
  height:21px;
  flex:none;
  vertical-align:middle
}
.container {
  max-width:1208px;
  margin-inline:auto;
  padding-inline:28px
}
.sr-only {
  position:absolute;
  width:1px;
  height:1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap
}
.js-only {
  display:none!important
}
.js .js-only {
  display:inline-flex!important
}
.js .answer-fallback {
  display:none
}
.skip-link {
  position:fixed;
  top:12px;
  left:12px;
  transform:translateY(-160%);
  z-index:100;
  background:var(--ink);
  color:white;
  padding:12px 18px;
  border-radius:8px
}
.skip-link:focus {
  transform:none
}
:focus-visible {
  outline:3px solid #0b7868;
  outline-offset:5px
}
::selection {
  background:#c3e8d8
}
.site-header {
  background:rgba(248,250,246,.95);
  border-bottom:1px solid var(--line);
  position:relative;
  z-index:5
}
.header-inner {
  min-height:87px;
  display:flex;
  align-items:center;
  gap:40px
}
.brand {
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-size:25px;
  font-weight:730;
  letter-spacing:-1.1px;
  white-space:nowrap
}
.brand-light {
  font-weight:430
}
.brand-mark {
  display:flex;
  gap:4px;
  align-items:flex-end;
  transform:rotate(-9deg);
  height:29px
}
.brand-mark i {
  width:7px;
  background:var(--teal);
  border-radius:3px
}
.brand-mark i:first-child {
  height:14px
}
.brand-mark i:nth-child(2) {
  height:22px
}
.brand-mark i:nth-child(3) {
  height:29px
}
.header-inner nav {
  display:flex;
  gap:28px;
  margin-left:auto;
  align-items:center
}
.header-inner nav a {
  text-decoration:none;
  color:#536960;
  font-size:13px;
  font-weight:550;
  padding:14px 0;
  position:relative
}
.header-inner nav a:hover,.header-inner nav a[aria-current] {
  color:var(--teal)
}
.header-inner nav a[aria-current]:after {
  content:'';
  position:absolute;
  bottom:4px;
  left:0;
  right:0;
  height:2px;
  background:var(--teal)
}
.motion-control {
  border:1px solid var(--line);
  padding:9px 13px;
  gap:8px;
  align-items:center;
  border-radius:40px;
  background:white;
  font-size:11px;
  font-weight:600;
  color:#3e5d51;
  min-height:40px;
  white-space:nowrap
}
.motion-control .icon {
  width:16px;
  height:16px
}
.motion-control i {
  width:5px;
  height:5px;
  background:#acbfb0;
  border-radius:50%
}
.motion-control[aria-pressed=true] i {
  background:var(--teal)
}
.motion-control:disabled {
  opacity:.8
}
.eyebrow {
  font-size:10px;
  letter-spacing:1.9px;
  font-weight:700;
  color:var(--teal);
  display:inline-flex;
  gap:9px;
  align-items:center;
  line-height:1.6
}
.eyebrow i {
  height:6px;
  width:6px;
  background:#53967f;
  border-radius:50%;
  box-shadow:0 0 0 4px #e8f1e8;
  flex:none
}
.hero {
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:43px;
  align-items:center;
  padding-top:65px;
  padding-bottom:61px
}
.hero h1 {
  font-family:var(--serif);
  font-weight:400;
  letter-spacing:-3.9px;
  line-height:1.045;
  font-size:clamp(55px,5.9vw,79px);
  margin:23px 0 23px
}
.hero h1 em {
  font-style:normal;
  color:var(--teal);
  position:relative
}
.hero h1 em:after {
  content:'';
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:6px;
  background:#d9e6b4;
  z-index:-1;
  border-radius:100%;
  transform:rotate(-1.7deg)
}
.hero-lead {
  font-size:19px;
  line-height:1.6;
  margin:0 0 9px;
  color:#274a41;
  font-weight:540;
  letter-spacing:-.3px
}
.hero-description {
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  margin:0 0 27px
}
.search-form {
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid #ccdcd1;
  background:white;
  border-radius:15px;
  padding:7px 7px 7px 19px;
  box-shadow:0 5px 18px #163d2410;
  max-width:520px;
  min-width:0
}
.search-form>.icon {
  color:#6c877a;
  width:19px;
  height:19px
}
.search-form input {
  border:0;
  background:none;
  outline:none;
  color:var(--ink);
  min-width:0;
  width:100%;
  font-size:14px;
  height:43px
}
.search-form:focus-within {
  box-shadow:0 0 0 3px #17765c25;
  border-color:var(--teal)
}
.search-form input::placeholder {
  color:#697e74
}
.search-form button {
  width:43px;
  height:43px;
  display:grid;
  place-items:center;
  border:0;
  background:var(--teal);
  color:white;
  border-radius:10px;
  flex:none;
  transition:background .2s
}
.search-form button:hover {
  background:#095b4e
}
.try-links {
  display:flex;
  flex-wrap:wrap;
  gap:8px 12px;
  align-items:center;
  font-size:11px;
  margin-top:14px;
  color:var(--muted)
}
.try-links a {
  color:var(--teal);
  font-weight:600
}
.hero-footnote {
  display:flex;
  gap:7px;
  align-items:center;
  font-size:11px;
  color:#627b6f;
  margin-top:26px
}
.hero-footnote .icon {
  width:14px;
  height:14px
}
.hero-stage {
  isolation:isolate;
  position:relative;
  background:linear-gradient(155deg,#e8f3e7,#e1efe7 55%,#eff1e2);
  border:1px solid #d7e6d7;
  border-radius:28px;
  padding:25px 26px 19px;
  min-height:467px;
  overflow:clip;
  box-shadow:0 20px 40px -30px #52765a70
}
.stage-grid {
  position:absolute;
  inset:0;
  background-image:radial-gradient(#678f6825 1px,transparent 1px);
  background-size:20px 20px;
  z-index:-2
}
.stage-topline {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px
}
.stage-topline .eyebrow {
  font-size:9px;
  letter-spacing:1.7px;
  color:#527465
}
.live-dot {
  height:6px;
  width:6px;
  background:#74a77c;
  border-radius:50%;
  box-shadow:0 0 0 5px #fff6
}
.orbit {
  position:absolute;
  border:1px solid #bad2bb80;
  border-radius:50%;
  pointer-events:none;
  z-index:-1
}
.orbit-one {
  width:370px;
  height:220px;
  left:50%;
  top:45px;
  transform:translateX(-50%) rotate(-19deg)
}
.orbit-two {
  width:430px;
  height:320px;
  left:50%;
  top:5px;
  transform:translateX(-50%) rotate(17deg);
  border-style:dashed
}
.hero-guides {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  position:relative;
  align-items:end;
  margin:58px -7px 22px
}
.hero-guide {
  background:none;
  border:none;
  padding:0 2px 4px;
  color:#36584a;
  display:flex;
  flex-direction:column;
  align-items:center;
  position:relative;
  min-width:0;
  transition:transform .3s ease
}
.hero-avatar-wrap {
  width:100%;
  aspect-ratio:1;
  position:relative;
  padding:3px;
  display:block;
  border-radius:50%;
  border:2px solid transparent;
  transition:all .3s ease
}
.hero-avatar-wrap img {
  border-radius:50%;
  box-shadow:0 8px 15px -10px #27452980;
  border:5px solid #fff8
}
.hero-guide.basic {
  transform:translateY(-24px)
}
.hero-guide strong {
  font-size:17px;
  font-weight:680;
  letter-spacing:-.4px;
  margin-top:10px
}
.hero-guide>span:last-child {
  font-size:9px;
  margin-top:5px;
  white-space:nowrap
}
.hero-guide[aria-pressed=true] .hero-avatar-wrap {
  border-color:#0e796780;
  background:#ffffff65
}
.hero-guide[aria-pressed=true] strong {
  color:var(--teal)
}
.hero-guide-mark {
  position:absolute;
  right:9px;
  bottom:5px;
  width:24px;
  height:24px;
  background:var(--teal);
  color:white;
  display:grid;
  place-items:center;
  border:3px solid #e5f0e5;
  border-radius:50%;
  opacity:0;
  transform:scale(.6);
  transition:.25s
}
.hero-guide-mark .icon {
  width:13px;
  height:13px
}
.hero-guide[aria-pressed=true] .hero-guide-mark {
  opacity:1;
  transform:scale(1)
}
.hero-guide:hover .hero-avatar-wrap {
  background:white;
  box-shadow:0 8px 20px #497a4520
}
.hero-answer {
  background:#ffffffeb;
  box-shadow:0 6px 15px #3662390a;
  border-radius:14px;
  padding:17px 20px;
  position:relative;
  border:1px solid #dce7d8;
  min-height:156px
}
.hero-answer-meta {
  display:flex;
  gap:9px;
  align-items:center;
  flex-wrap:wrap
}
.hero-answer-meta>span:first-child {
  font-size:8px;
  color:#758a7b;
  font-weight:700;
  letter-spacing:1px
}
.hero-answer-meta b {
  font-size:12px;
  color:#456153
}
.mini-level {
  font-size:9px;
  padding:3px 7px;
  border-radius:5px;
  background:#e5f0e1;
  color:#426746;
  margin-left:auto
}
.hero-answer p {
  font-size:13px;
  line-height:1.75;
  color:#344e41;
  margin:12px 0 10px;
  min-height:46px
}
.hero-answer a {
  font-size:11px;
  text-decoration:none;
  color:var(--teal);
  font-weight:650;
  display:inline-flex;
  gap:9px;
  align-items:center
}
.hero-answer a .icon {
  width:15px;
  height:15px
}
.stage-caption {
  font-size:10px;
  color:#607862;
  display:flex;
  gap:7px;
  align-items:center;
  justify-content:center;
  margin:14px 0 0
}
.stage-caption .icon {
  width:12px;
  height:12px
}
.floating-sticker {
  position:absolute;
  z-index:2;
  border:1px solid #d5e2cc;
  background:#fffdf5;
  border-radius:9px;
  padding:8px 11px;
  color:#698254;
  font-size:10px;
  font-weight:650;
  box-shadow:0 5px 10px #30533109;
  pointer-events:none
}
.why {
  left:26px;
  top:72px;
  transform:rotate(-9deg)
}
.aha {
  right:26px;
  top:72px;
  transform:rotate(8deg);
  color:#56736a
}
.aha .icon {
  width:13px;
  height:13px
}
.promise-strip {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding-top:21px;
  padding-bottom:21px
}
.promise-strip>div {
  display:flex;
  align-items:center;
  gap:11px
}
.promise-strip strong {
  font-family:var(--serif);
  font-size:30px;
  font-weight:400;
  color:#285746
}
.promise-strip span {
  color:#647b6b;
  font-size:12px
}
.promise-strip p {
  font-size:11px;
  line-height:1.65;
  margin:0;
  color:#6b7e72
}
.promise-strip b {
  font-weight:500;
  color:#385b48
}
.section {
  padding-top:65px;
  padding-bottom:35px
}
.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:25px;
  margin-bottom:27px
}
.section h2,.path-section h2,.compact-note h2 {
  font-family:var(--serif);
  font-size:39px;
  font-weight:400;
  letter-spacing:-1.2px;
  line-height:1.2;
  margin:11px 0
}
.section h2 em {
  font-style:normal;
  color:var(--teal)
}
.section-heading p,.path-section p {
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
  margin:8px 0 0
}
.text-link {
  font-size:12px;
  color:var(--teal);
  font-weight:650;
  display:inline-flex;
  gap:10px;
  align-items:center;
  text-decoration:none;
  line-height:1.5
}
.text-link .icon {
  width:17px;
  height:17px
}
.text-link:hover {
  text-decoration:underline
}
.section-heading>.text-link {
  margin-bottom:4px;
  white-space:nowrap
}
.topic-grid {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px
}
.topic-card {
  --card-tint:#edf4e8;
  --card-icon:#6b8865;
  display:flex;
  flex-direction:column;
  min-width:0;
  text-decoration:none;
  background:white;
  border:1px solid var(--line);
  border-radius:18px;
  padding:21px 21px 16px;
  transition:transform .23s ease,border-color .23s ease,box-shadow .23s ease;
  position:relative
}
.topic-card.blue {
  --card-tint:#edf1fa;
  --card-icon:#597bad
}
.topic-card.peach {
  --card-tint:#fbefe5;
  --card-icon:#b28b61
}
.topic-card.lavender {
  --card-tint:#f1edfb;
  --card-icon:#8b72b1
}
.topic-card:hover {
  transform:translateY(-6px);
  border-color:#95b39d;
  box-shadow:0 12px 26px #28593410
}
.topic-card-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:23px
}
.topic-icon {
  width:47px;
  height:47px;
  border-radius:13px;
  background:var(--card-tint);
  color:var(--card-icon);
  display:grid;
  place-items:center
}
.topic-icon .icon {
  width:25px;
  height:25px
}
.topic-number {
  font-family:var(--serif);
  color:#7e9382;
  font-size:17px
}
.card-category {
  font-size:9px;
  text-transform:uppercase;
  letter-spacing:1.15px;
  color:#6c7d72;
  font-weight:650;
  line-height:1.6
}
.topic-card h3 {
  font-family:var(--serif);
  font-size:25px;
  font-weight:400;
  letter-spacing:-.6px;
  line-height:1.25;
  margin:10px 0
}
.topic-card p {
  font-size:12px;
  line-height:1.85;
  color:var(--muted);
  margin:0 0 21px;
  flex:1
}
.topic-card-bottom {
  border-top:1px solid #e9eee6;
  padding-top:15px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:6px
}
.topic-card-bottom>span:first-child {
  font-size:9px;
  color:#6e8072;
  display:flex;
  align-items:center;
  gap:6px
}
.depth-dots {
  display:inline-flex;
  gap:2px;
  align-items:end
}
.depth-dots i {
  background:#80a491;
  width:3px;
  height:5px;
  border-radius:2px
}
.depth-dots i:nth-child(2) {
  height:8px;
  opacity:.7
}
.depth-dots i:nth-child(3) {
  height:11px;
  opacity:.4
}
.arrow-circle {
  display:grid;
  place-items:center;
  color:#668573;
  border:1px solid #e2e9df;
  border-radius:50%;
  width:25px;
  height:25px;
  flex:none
}
.arrow-circle .icon {
  width:13px;
  height:13px
}
.path-section {
  margin-top:28px;
  padding-top:31px;
  padding-bottom:32px;
  background:#edf3e9;
  border:1px solid #dde7d6;
  border-radius:22px;
  display:grid;
  grid-template-columns:.85fr 1.6fr;
  gap:35px;
  align-items:center;
  max-width:1152px;
  padding-inline:29px
}
.path-section h2 {
  font-size:29px;
  margin:8px 0
}
.path-section .eyebrow {
  font-size:9px;
  letter-spacing:1.6px
}
.path-section p {
  font-size:12px
}
.learning-path {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:15px
}
.learning-path a {
  position:relative;
  text-decoration:none;
  display:flex;
  flex-direction:column;
  align-items:start;
  gap:12px
}
.path-step {
  font-size:10px;
  color:#638264;
  display:grid;
  place-items:center;
  width:27px;
  height:27px;
  border:1px solid #b9cbb2;
  border-radius:50%;
  background:#f8fbf5;
  position:relative;
  z-index:1
}
.learning-path a:not(:last-child):before {
  position:absolute;
  content:'';
  top:13px;
  left:29px;
  width:calc(100% - 16px);
  height:1px;
  background:#c5d3bd
}
.learning-path strong {
  display:block;
  font-size:12px;
  font-weight:600
}
.learning-path small {
  font-size:10px;
  color:#71816c;
  margin-top:5px;
  display:block
}
.learning-path .icon {
  display:none
}
.learning-path a:hover strong {
  color:var(--teal);
  text-decoration:underline
}
.depth-explainer {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:90px;
  align-items:center;
  padding-top:80px;
  padding-bottom:70px
}
.depth-explainer h2 {
  font-size:39px
}
.depth-explainer p {
  font-size:14px;
  line-height:1.9;
  max-width:390px;
  color:var(--muted);
  margin:18px 0 23px
}
.depth-mini-list {
  display:flex;
  flex-direction:column;
  gap:10px
}
.depth-mini-list a {
  display:flex;
  align-items:center;
  gap:15px;
  padding:13px 18px;
  border:1px solid var(--line);
  border-radius:13px;
  background:#fff;
  text-decoration:none;
  transition:transform .2s
}
.depth-mini-list a:hover {
  transform:translateX(5px)
}
.depth-mini-list img {
  border-radius:50%;
  width:60px;
  flex:none
}
.depth-mini-list strong {
  display:block;
  font-size:16px;
  letter-spacing:-.3px
}
.depth-mini-list div span {
  display:block;
  font-size:11px;
  color:var(--muted);
  margin-top:6px
}
.mini-step {
  margin-left:auto;
  font-family:var(--serif);
  font-size:20px;
  color:#92aa97
}
.curiosity-cta {
  position:relative;
  text-align:center;
  background:#193f34;
  color:#f5f8f0;
  border-radius:24px;
  max-width:1152px;
  padding-block:47px 43px;
  overflow:hidden
}
.curiosity-cta .eyebrow {
  color:#b3d0b0;
  font-size:9px
}
.curiosity-cta h2 {
  font-family:var(--serif);
  font-size:43px;
  line-height:1.2;
  font-weight:400;
  letter-spacing:-1.1px;
  margin:15px 0 23px
}
.curiosity-cta p {
  font-size:11px;
  color:#b6cbb9;
  margin:15px 0 0
}
.cta-spark {
  position:absolute;
  left:80px;
  top:42px;
  transform:rotate(12deg);
  color:#90b287
}
.cta-spark .icon {
  width:70px;
  height:70px;
  stroke-width:.8
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  border:1px solid transparent;
  padding:13px 20px;
  border-radius:10px;
  background:var(--teal);
  color:#fff;
  text-decoration:none;
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  min-height:44px
}
.button:hover {
  background:#095f50
}
.button-light {
  background:#eef4df;
  color:#254c35
}
.button-light:hover {
  background:#d9e6c5
}
.button .icon {
  width:17px;
  height:17px
}
.button-small {
  padding:10px 15px;
  font-size:12px
}
.site-footer {
  margin-top:69px;
  border-top:1px solid var(--line);
  background:#f3f6f0
}
.footer-main {
  display:grid;
  grid-template-columns:1.1fr .8fr 1.1fr .9fr;
  gap:24px;
  padding-top:41px;
  padding-bottom:35px
}
.footer-main .brand {
  font-size:22px
}
.footer-main .brand-mark {
  transform:scale(.85) rotate(-9deg);
  transform-origin:left center;
  margin-right:-4px
}
.footer-main p {
  font-size:11px;
  color:#6a7e6e;
  line-height:1.8;
  margin:15px 0 0
}
.footer-heading {
  display:block;
  font-size:8px;
  letter-spacing:1.5px;
  color:#7b8c7b;
  font-weight:700;
  margin:5px 0 17px
}
.footer-main>div>a:not(.brand) {
  display:block;
  font-size:11px;
  color:#4e6a58;
  margin:11px 0;
  text-decoration:none
}
.footer-main>div>a:hover {
  text-decoration:underline
}
.footer-signoff {
  display:flex;
  gap:13px;
  align-items:start;
  padding-top:7px;
  justify-content:end;
  color:#7b9b6f
}
.footer-signoff .icon {
  width:30px;
  height:30px
}
.footer-signoff span {
  font-family:var(--serif);
  font-size:17px;
  line-height:1.6;
  color:#637b5b
}
.footer-bottom {
  border-top:1px solid #e0e8dc;
  padding-top:17px;
  padding-bottom:21px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  font-size:9px;
  color:#778976
}
.library-hero {
  padding-top:65px;
  text-align:center
}
.library-hero h1,.info-hero h1 {
  font:400 61px/1.12 var(--serif);
  letter-spacing:-2px;
  margin:21px 0
}
.library-hero h1 em,.info-hero h1 em {
  font-style:normal;
  color:var(--teal)
}
.library-hero>p,.info-hero>p {
  font-size:15px;
  color:var(--muted);
  line-height:1.9
}
.library-hero .search-form {
  margin:27px auto 0;
  max-width:630px
}
.library-toolbar {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-bottom:25px
}
.filter-group {
  display:flex;
  gap:7px;
  flex-wrap:wrap
}
.filter-group button {
  border:1px solid var(--line);
  background:#fff;
  color:#597262;
  font-size:11px;
  border-radius:40px;
  padding:11px 15px;
  min-height:42px
}
.filter-group button[aria-pressed=true] {
  background:var(--ink);
  color:white;
  border-color:var(--ink)
}
.library-toolbar p {
  font-size:11px;
  color:#6b8172;
  white-space:nowrap
}
.library-note {
  margin:28px 0 10px;
  font-size:12px;
  color:#728370;
  text-align:center
}
.empty-state {
  text-align:center;
  padding:60px 22px;
  background:#eff5e9;
  border:1px dashed #c4d6bd;
  border-radius:18px
}
.empty-state>.icon {
  width:40px;
  height:40px;
  color:#769464
}
.empty-state h2 {
  font-size:30px
}
.empty-state p {
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
  margin:15px 0 23px
}
.reader-shell {
  width:min(940px,calc(100% - 48px));
  margin-inline:auto
}
.article-intro {
  padding-top:34px;
  padding-bottom:22px
}
.breadcrumbs {
  display:flex;
  gap:10px;
  align-items:center;
  font-size:11px;
  color:#748376;
  margin-bottom:35px
}
.breadcrumbs a {
  text-decoration:none;
  color:var(--teal)
}
.article-topline {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px
}
.draft-badge {
  border:1px solid #e3d9bd;
  background:#fcf8eb;
  color:#8b7751;
  font-size:8px;
  font-weight:600;
  letter-spacing:1.1px;
  border-radius:5px;
  padding:5px 8px
}
.article-intro h1 {
  font:400 64px/1.15 var(--serif);
  letter-spacing:-2.5px;
  margin:18px 0 13px
}
.article-description {
  font-size:16px;
  color:var(--muted);
  line-height:1.8;
  margin:0
}
.article-meta {
  display:flex;
  gap:23px;
  align-items:center;
  font-size:11px;
  color:#6b8173;
  margin-top:18px;
  flex-wrap:wrap
}
.article-meta>span {
  display:inline-flex;
  gap:6px;
  align-items:center
}
.article-meta .icon {
  width:14px;
  height:14px
}
.article-meta>a {
  text-decoration:none;
  color:var(--teal)
}
.text-button {
  border:0;
  padding:5px 0;
  background:none;
  color:var(--teal);
  font-size:11px;
  display:inline-flex;
  gap:7px;
  align-items:center;
  margin-left:auto;
  min-height:34px
}
.reading-progress {
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:3px;
  background:transparent;
  z-index:10
}
.reading-progress i {
  height:100%;
  width:100%;
  display:block;
  background:#438565;
  transform:scaleX(0);
  transform-origin:left
}
.reading-goal {
  display:flex;
  flex-direction:column;
  font-size:13px!important;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  margin-bottom:24px!important;
  color:#627765!important
}
.reading-goal strong {
  font-size:9px!important;
  letter-spacing:1.3px;
  margin-bottom:5px
}
.lesson-section {
  margin:22px 0 28px
}
.inline-sources {
  display:flex;
  gap:5px;
  justify-content:flex-end;
  margin-top:-4px;
  font-size:10px;
  color:#537966
}
.inline-sources a {
  padding:3px;
  text-decoration:none
}
.inline-sources a:hover {
  text-decoration:underline
}
.misconception {
  padding:20px 21px;
  background:#fcf8ed;
  border:1px solid #ede4ce;
  border-radius:12px;
  margin:26px 0
}
.misconception .eyebrow {
  font-size:8px;
  color:#917c4a
}
.misconception h3 {
  font-size:17px!important;
  font-family:var(--sans)!important;
  line-height:1.6!important;
  margin:8px 0!important;
  letter-spacing:0!important
}
.misconception p {
  margin:5px 0 0!important;
  font-size:14px!important;
  color:#746548!important
}
.quick-check {
  border-top:1px solid var(--line);
  padding-top:25px;
  margin-top:25px
}
.quick-check>.eyebrow {
  font-size:9px
}
.quick-check fieldset {
  border:0;
  margin:13px 0 16px;
  padding:0;
  min-width:0
}
.quick-check legend {
  font-size:16px;
  font-weight:600;
  line-height:1.65;
  margin-bottom:17px
}
.quiz-option {
  display:flex;
  gap:11px;
  align-items:start;
  border:1px solid var(--line);
  border-radius:9px;
  padding:13px 15px;
  margin-bottom:9px;
  font-size:13px;
  line-height:1.7;
  cursor:pointer;
  color:#4a6254
}
.quiz-option input {
  accent-color:#18745b;
  margin:5px 0 0;
  flex:none
}
.quiz-option:has(input:checked) {
  border-color:#5b9975;
  background:#f4f9f0
}
.quiz-option.is-correct {
  border-color:#5b9975;
  background:#edf7e8
}
.quiz-option.is-wrong {
  border-color:#b89480;
  background:#fdf2eb
}
.quiz-feedback {
  border-radius:9px;
  background:#edf5e7;
  color:#365a3e!important;
  font-size:13px!important;
  line-height:1.8!important;
  padding:13px 16px;
  margin-top:14px!important
}
.quiz-feedback[data-result=retry] {
  background:#fcf4e5;
  color:#7d6748!important
}
.source-section {
  padding:42px 7px 22px;
  scroll-margin-top:25px
}
.source-section h2 {
  font:400 29px/1.3 var(--serif);
  letter-spacing:-.6px;
  margin:12px 0
}
.source-section p {
  font-size:12px;
  line-height:1.9;
  color:#718173;
  max-width:680px
}
.source-section ol {
  padding-left:21px;
  font-size:12px;
  line-height:1.9;
  color:#54705a;
  margin:23px 0
}
.source-section li {
  padding:6px 0;
  scroll-margin-top:25px
}
.source-section li:target {
  background:#ecf2df
}
.source-section a {
  text-decoration-color:#c0d1ba
}
.related-grid {
  grid-template-columns:repeat(3,1fr)
}
.info-hero {
  padding-top:58px;
  padding-bottom:31px;
  text-align:center
}
.info-hero>p {
  max-width:710px;
  margin:22px auto
}
.how-levels {
  display:flex;
  flex-direction:column;
  gap:23px
}
.how-level {
  display:grid;
  grid-template-columns:280px 1fr;
  gap:52px;
  align-items:center;
  background:white;
  border:1px solid var(--line);
  border-radius:22px;
  padding:35px 47px;
  scroll-margin-top:25px
}
.how-avatar {
  background:#eff5e8;
  border-radius:50%;
  padding:20px
}
.how-avatar img {
  border-radius:50%;
  width:100%
}
.how-level h2 {
  font:400 43px/1.2 var(--serif);
  margin:10px 0
}
.how-level h3 {
  font-size:17px;
  font-weight:500;
  margin:12px 0
}
.how-level p {
  font-size:14px;
  color:var(--muted);
  line-height:1.9;
  margin:16px 0 22px;
  max-width:520px
}
.how-level.basic .how-avatar {
  background:#edf0fa
}
.how-level.advanced .how-avatar {
  background:#f2edfa
}
.compact-note {
  max-width:750px;
  text-align:center;
  padding-top:51px;
  padding-bottom:20px
}
.compact-note p {
  color:var(--muted);
  line-height:1.95;
  font-size:15px;
  margin:18px 0 27px
}
.prose-page {
  max-width:780px;
  margin:auto;
  padding:0 28px 15px
}
.prose-page h2 {
  font:400 29px/1.4 var(--serif);
  letter-spacing:-.5px;
  margin:33px 0 14px
}
.prose-page p,.prose-page li {
  font-size:15px;
  line-height:1.95;
  color:var(--muted)
}
.prose-page li {
  margin:15px 0
}
.prose-page ol {
  padding-left:21px
}
.editorial-callout {
  padding:22px 25px;
  background:#f6f2e6;
  border:1px solid #e6dec7;
  border-radius:13px
}
.editorial-callout p {
  margin-bottom:0
}
.not-found {
  text-align:center;
  padding-top:55px;
  padding-bottom:40px
}
.not-found img {
  border-radius:50%;
  margin:24px auto
}
.not-found h1 {
  font:400 54px/1.15 var(--serif);
  letter-spacing:-1.7px;
  margin:20px 0
}
.not-found p {
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
  margin:22px 0
}
.toast {
  position:fixed;
  bottom:24px;
  left:50%;
  transform:translateX(-50%);
  max-width:min(90vw,660px);
  background:#1d4033;
  color:#f8fbf3;
  border-radius:13px;
  padding:15px 22px;
  z-index:99;
  font-size:12px;
  line-height:1.7;
  box-shadow:0 12px 30px #18352233;
  overflow-wrap:anywhere
}
.hero-guide img,.floating-sticker {
  animation-play-state:paused!important
}
html[data-motion=on][data-awake=true] .hero-guide img {
  animation:guideFloat 5s ease-in-out infinite;
  animation-play-state:running!important
}
html[data-motion=on][data-awake=true] .hero-guide.basic img {
  animation-delay:-1.8s
}
html[data-motion=on][data-awake=true] .hero-guide.advanced img {
  animation-delay:-3s
}
html[data-motion=on][data-awake=true] .floating-sticker {
  animation:stickerFloat 6s ease-in-out infinite;
  animation-play-state:running!important
}
.aha {
  animation-delay:-3s!important
}
@keyframes guideFloat {
  0%,100% {
    translate:0 0
  }
  50% {
    translate:0 -6px
  }
}
@keyframes stickerFloat {
  0%,100% {
    translate:0 0
  }
  50% {
    translate:0 -5px
  }
}
@media(min-width:1600px) {
  .hero {
    padding-top:86px;
    padding-bottom:80px
  }
}
@media(max-width:1000px) {
  .header-inner {
    gap:22px
  }
  .hero {
    gap:25px;
    padding-top:45px
  }
  .hero h1 {
    font-size:59px;
    letter-spacing:-2.8px
  }
  .hero-lead {
    font-size:17px
  }
  .hero-description {
    font-size:14px
  }
  .hero-stage {
    padding:23px 19px 16px;
    min-height:435px
  }
  .hero-guides {
    margin-top:60px
  }
  .hero-guide strong {
    font-size:15px
  }
  .hero-guide>span:last-child {
    font-size:8px
  }
  .hero-answer {
    padding:15px
  }
  .hero-answer p {
    font-size:12px
  }
  .hero-guide-mark {
    width:21px;
    height:21px;
    right:5px
  }
  .hero-footnote {
    font-size:10px
  }
  .topic-grid {
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:18px
  }
  .topic-card h3 {
    font-size:28px
  }
  .topic-card p {
    font-size:13px
  }
  .path-section {
    margin-inline:28px;
    grid-template-columns:1fr;
    gap:25px
  }
  .path-section h2 {
    font-size:30px
  }
  .learning-path a {
    flex-direction:row;
    align-items:center;
    gap:10px
  }
  .learning-path a:before {
    display:none
  }
  .learning-path small {
    font-size:10px
  }
  .depth-explainer {
    gap:45px
  }
  .curiosity-cta {
    margin-inline:28px
  }
  .cta-spark {
    left:30px
  }
  .footer-main {
    grid-template-columns:1fr 1fr 1.2fr
  }
  .footer-signoff {
    display:none
  }
  .related-grid {
    grid-template-columns:repeat(3,minmax(0,1fr))
  }
  .related-grid .topic-card {
    padding:17px
  }
  .related-grid h3 {
    font-size:23px
  }
  .how-level {
    grid-template-columns:210px 1fr;
    gap:35px;
    padding:31px
  }
  .how-level h2 {
    font-size:37px
  }
}
@media(max-width:760px) {
  .container {
    padding-inline:22px
  }
  .header-inner {
    min-height:78px;
    flex-wrap:wrap;
    gap:0 20px;
    padding-top:13px;
    padding-bottom:11px
  }
  .header-inner .brand {
    font-size:23px
  }
  .header-inner nav {
    order:3;
    width:100%;
    gap:24px;
    margin:7px 0 0;
    justify-content:center
  }
  .header-inner nav a {
    font-size:11px;
    padding:8px 0
  }
  .motion-control {
    margin-left:auto;
    font-size:9px;
    padding:8px 10px;
    min-height:34px
  }
  .motion-control .icon {
    width:14px;
    height:14px
  }
  .hero {
    grid-template-columns:1fr;
    gap:35px;
    padding-top:38px;
    padding-bottom:35px
  }
  .hero-copy {
    max-width:560px
  }
  .hero h1 {
    font-size:67px;
    letter-spacing:-3.4px;
    margin-top:18px
  }
  .hero-lead {
    font-size:18px
  }
  .hero-description {
    font-size:14px;
    margin-bottom:23px
  }
  .hero .eyebrow {
    font-size:8px;
    letter-spacing:1.6px
  }
  .hero-footnote {
    margin-top:18px
  }
  .hero-stage {
    max-width:570px;
    width:100%;
    margin:auto;
    min-height:0;
    padding:23px
  }
  .hero-guides {
    margin:55px -3px 22px
  }
  .hero-guide strong {
    font-size:18px
  }
  .hero-guide>span:last-child {
    font-size:10px
  }
  .hero-answer p {
    font-size:14px;
    min-height:48px
  }
  .hero-answer {
    padding:17px 18px
  }
  .hero-answer a {
    font-size:12px
  }
  .hero-guide img {
    max-width:165px;
    margin:auto
  }
  .hero-avatar-wrap {
    max-width:170px
  }
  .hero-stage .eyebrow {
    font-size:9px
  }
  .stage-caption {
    font-size:10px
  }
  .promise-strip {
    margin-inline:22px;
    padding-inline:0;
    gap:12px;
    padding-block:18px
  }
  .promise-strip p {
    display:none
  }
  .promise-strip>div {
    flex-direction:column;
    align-items:start;
    gap:4px
  }
  .promise-strip strong {
    font-size:27px
  }
  .promise-strip span {
    font-size:10px
  }
  .section {
    padding-top:43px;
    padding-bottom:20px
  }
  .section-heading {
    align-items:start;
    gap:15px;
    flex-wrap:wrap;
    margin-bottom:22px
  }
  .section h2 {
    font-size:33px
  }
  .section-heading p {
    font-size:12px
  }
  .section-heading>.text-link {
    font-size:11px
  }
  .topic-grid {
    gap:12px
  }
  .topic-card {
    padding:17px 16px 14px
  }
  .topic-card-top {
    margin-bottom:19px
  }
  .topic-card h3 {
    font-size:24px;
    line-height:1.3
  }
  .topic-card p {
    font-size:12px
  }
  .card-category {
    font-size:8px;
    letter-spacing:.8px
  }
  .topic-card-bottom {
    gap:5px
  }
  .topic-card-bottom>span:first-child {
    font-size:8px
  }
  .arrow-circle {
    width:22px;
    height:22px
  }
  .topic-icon {
    width:43px;
    height:43px
  }
  .path-section {
    margin:22px;
    gap:23px;
    padding:25px
  }
  .learning-path {
    grid-template-columns:1fr 1fr;
    gap:23px 12px
  }
  .learning-path strong {
    font-size:12px
  }
  .depth-explainer {
    grid-template-columns:1fr;
    gap:25px;
    padding-top:42px;
    padding-bottom:43px
  }
  .depth-explainer p {
    max-width:550px;
    font-size:13px;
    margin:14px 0 19px
  }
  .depth-explainer h2 {
    font-size:35px
  }
  .depth-mini-list img {
    width:51px
  }
  .depth-mini-list strong {
    font-size:15px
  }
  .curiosity-cta {
    margin:0 22px;
    padding:35px 22px
  }
  .curiosity-cta h2 {
    font-size:35px
  }
  .cta-spark {
    display:none
  }
  .curiosity-cta .eyebrow {
    font-size:8px;
    letter-spacing:1.3px
  }
  .site-footer {
    margin-top:45px
  }
  .footer-main {
    grid-template-columns:1fr 1fr;
    gap:28px;
    padding-top:30px
  }
  .footer-main>div:first-child {
    grid-column:1/-1;
    display:flex;
    justify-content:space-between;
    align-items:center
  }
  .footer-main>div:first-child p {
    margin:0;
    font-size:10px
  }
  .footer-heading {
    font-size:8px;
    line-height:1.8;
    margin-bottom:12px;
    letter-spacing:1px
  }
  .footer-main>div>a:not(.brand) {
    font-size:10px
  }
  .footer-bottom {
    font-size:8px;
    gap:12px
  }
  .library-hero {
    padding-top:35px
  }
  .library-hero h1,.info-hero h1 {
    font-size:48px;
    letter-spacing:-1.9px
  }
  .library-hero>p,.info-hero>p {
    font-size:13px
  }
  .library-toolbar {
    align-items:start;
    gap:10px
  }
  .filter-group {
    gap:6px
  }
  .filter-group button {
    padding:9px 10px;
    font-size:9px;
    min-height:38px
  }
  .library-toolbar p {
    font-size:10px;
    margin-top:12px
  }
  .library-note {
    font-size:10px;
    line-height:1.8
  }
  .reader-shell {
    width:calc(100% - 36px)
  }
  .article-intro {
    padding-top:25px
  }
  .breadcrumbs {
    margin-bottom:24px;
    font-size:10px
  }
  .article-intro h1 {
    font-size:49px;
    letter-spacing:-1.9px
  }
  .article-description {
    font-size:14px
  }
  .article-meta {
    font-size:10px;
    gap:15px;
    margin-top:16px
  }
  .article-topline .eyebrow {
    font-size:8px;
    letter-spacing:1.2px
  }
  .draft-badge {
    font-size:7px;
    letter-spacing:.6px
  }
  .text-button {
    font-size:10px
  }
  .source-section h2 {
    font-size:27px
  }
  .source-section p {
    font-size:11px
  }
  .source-section ol {
    font-size:11px;
    overflow-wrap:anywhere
  }
  .related-grid {
    grid-template-columns:1fr 1fr
  }
  .related-grid .topic-card:last-child {
    grid-column:1/-1
  }
  .related-grid .topic-card:last-child p {
    max-width:450px
  }
  .info-hero {
    padding-top:37px;
    padding-bottom:20px
  }
  .how-level {
    grid-template-columns:130px 1fr;
    gap:22px;
    padding:23px;
    align-items:start
  }
  .how-avatar {
    padding:8px
  }
  .how-level h2 {
    font-size:32px
  }
  .how-level .eyebrow {
    font-size:8px;
    letter-spacing:1px
  }
  .how-level h3 {
    font-size:14px
  }
  .how-level p {
    font-size:12px;
    line-height:1.9
  }
  .compact-note h2 {
    font-size:30px
  }
  .compact-note p,.prose-page p,.prose-page li {
    font-size:14px
  }
  .prose-page h2 {
    font-size:27px
  }
  .prose-page {
    padding-inline:23px
  }
  .prose-page li {
    margin:12px 0
  }
  .editorial-callout {
    padding:19px
  }
  .not-found h1 {
    font-size:46px
  }
}
@media(max-width:380px) {
  .container {
    padding-inline:17px
  }
  .hero h1 {
    font-size:55px;
    letter-spacing:-2.8px
  }
  .hero-lead {
    font-size:16px
  }
  .hero-description {
    font-size:13px
  }
  .search-form {
    gap:8px;
    padding-left:12px
  }
  .search-form input {
    font-size:12px
  }
  .hero-stage {
    padding:19px 13px
  }
  .hero-guide strong {
    font-size:15px
  }
  .hero-guide>span:last-child {
    font-size:8px
  }
  .hero-guides {
    margin-top:50px
  }
  .hero-answer p {
    font-size:12px
  }
  .hero-answer-meta {
    gap:6px
  }
  .hero-answer-meta b {
    font-size:11px
  }
  .hero-answer-meta>span:first-child {
    font-size:7px
  }
  .mini-level {
    font-size:8px
  }
  .stage-caption {
    font-size:8px
  }
  .floating-sticker {
    font-size:9px;
    padding:6px 8px
  }
  .why {
    left:20px;
    top:61px
  }
  .aha {
    right:20px;
    top:61px
  }
  .try-links {
    font-size:10px;
    gap:8px
  }
  .hero-footnote {
    font-size:9px
  }
  .topic-grid {
    gap:10px
  }
  .topic-card {
    padding:14px 12px
  }
  .topic-card h3 {
    font-size:22px
  }
  .topic-card p {
    font-size:11px
  }
  .topic-card-bottom>span:first-child {
    font-size:8px
  }
  .topic-card-bottom .depth-dots {
    display:none
  }
  .card-category {
    font-size:7px
  }
  .path-section,.curiosity-cta {
    margin-inline:17px
  }
  .learning-path strong {
    font-size:11px
  }
  .path-section {
    padding:22px 17px
  }
  .hero .eyebrow {
    font-size:7px;
    letter-spacing:1.3px
  }
  .library-hero h1,.info-hero h1 {
    font-size:40px
  }
  .library-toolbar {
    flex-direction:column;
    gap:5px
  }
  .library-toolbar p {
    margin:0
  }
  .filter-group button {
    font-size:8px;
    padding:8px
  }
  .how-level {
    grid-template-columns:1fr;
    gap:17px
  }
  .how-avatar {
    width:160px;
    margin:auto
  }
  .how-level h2 {
    font-size:31px
  }
  .header-inner .brand {
    font-size:21px
  }
  .brand-mark {
    transform:scale(.8) rotate(-9deg);
    transform-origin:left;
    margin-right:-5px
  }
  .motion-control {
    font-size:8px;
    gap:6px
  }
  .motion-control .icon {
    width:12px;
    height:12px
  }
  .article-intro h1 {
    font-size:43px
  }
  .article-meta {
    gap:10px
  }
  .article-meta .text-button {
    margin-left:0
  }
  .draft-badge {
    font-size:6px;
    padding:5px 6px
  }
  .article-topline .eyebrow {
    font-size:7px
  }
  .footer-main>div:first-child {
    gap:10px
  }
  .footer-main>div:first-child p {
    font-size:9px
  }
  .footer-main .brand {
    font-size:20px
  }
  .curiosity-cta h2 {
    font-size:31px
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto
  }
  *,*::before,*::after {
    animation:none!important;
    transition:none!important
  }
}
html[data-motion=off] *,html[data-motion=off] *::before,html[data-motion=off] *::after {
  animation:none!important;
  transition:none!important
}
html[data-motion=off] {
  scroll-behavior:auto
}
@media print {
  .site-header,.site-footer,.st-stage,.reading-progress,.article-meta,.related-section,.quick-check button,.toast {
    display:none!important
  }
  .reader-shell,.container {
    width:100%;
    max-width:none;
    padding:0
  }
  .st-panel[hidden] {
    display:block!important
  }
  .st-panel {
    break-before:page
  }
  body {
    background:white
  }
  .source-section a {
    overflow-wrap:anywhere
  }
  .answer-fallback {
    display:block!important
  }
}
/* Keep every guide inside its grid cell, including narrow touch screens. */
.hero-avatar-wrap img {
  width:100%;
  max-width:100%;
  height:auto
}
@media(max-width:450px) {
  .hero h1 {
    font-size:clamp(45px,14vw,60px);
    letter-spacing:-2.6px
  }
  .hero-guide strong {
    font-size:16px
  }
  .hero-guide>span:last-child {
    font-size:8px
  }
  .hero-guide.basic {
    transform:translateY(-17px)
  }
}