@font-face {
  font-family:"HAM Book Sans";
  src:url("/book/assets/HAM-Book-Regular.woff2?v=20260909") format("woff2");
  font-weight:400;
  font-style:normal;
  font-display:swap;
}
@font-face {
  font-family:"HAM Book Sans";
  src:url("/book/assets/HAM-Book-Medium.woff2?v=20260909") format("woff2");
  font-weight:500;
  font-style:normal;
  font-display:swap;
}
@font-face {
  font-family:"HAM Book Sans";
  src:url("/book/assets/HAM-Book-Black.woff2?v=20260909") format("woff2");
  font-weight:900;
  font-style:normal;
  font-display:swap;
}
:root {
  --canvas:#f9f7f3;
  --surface:#f0ede7;
  --ink:#1c1814;
  --muted:#5b554f;
  --blue:#7eb5e8;
  --blue-light:#e8f0f7;
  --line:#d8d2c9;
  --focus:#235f95;
  --space:clamp(24px,5vw,80px);
}
* {
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
  scroll-padding-top:24px;
}
body {
  margin:0;
  background:var(--canvas);
  color:var(--ink);
  font-family:"HAM Book Sans","Apple SD Gothic Neo",sans-serif;
  font-synthesis:none;
  font-size:17px;
  line-height:1.8;
  word-break:keep-all;
  overflow-wrap:anywhere;
  -webkit-text-size-adjust:100%;
}
a {
  color:inherit;
  text-underline-offset:5px;
}
a,button,input,textarea {
  -webkit-tap-highlight-color:transparent;
}
a,button {
  touch-action:manipulation;
}
button,textarea {
  font:inherit;
}
a:focus-visible,button:focus-visible,summary:focus-visible,textarea:focus-visible {
  outline:3px solid var(--focus);
  outline-offset:5px;
}
button:disabled {
  cursor:not-allowed;
  opacity:.48;
}
button {
  cursor:pointer;
}
img {
  max-width:100%;
  height:auto;
  display:block;
}
h1,h2,h3,h4,p,figure,blockquote {
  margin:0;
}
h1,h2,h3,h4 {
  line-height:1.28;
  letter-spacing:-.035em;
  text-wrap:balance;
  font-weight:900;
}
p,li {
  text-wrap:pretty;
}
p+p {
  margin-top:16px;
}
h2 {
  font-size:clamp(28px,3.1vw,44px);
}
h3 {
  font-size:24px;
}
strong {
  font-weight:900;
}
small,.note {
  font-size:14px;
  line-height:1.65;
  color:var(--muted);
}
[hidden] {
  display:none!important;
}
.page-width {
  width:min(1200px,calc(100% - var(--space)*2));
  margin-inline:auto;
}
.section-space {
  padding-block:clamp(64px,8vw,112px);
}
.section-label,.eyebrow {
  font-size:14px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--muted);
  margin-bottom:24px;
}
.text-link {
  display:inline-flex;
  align-items:center;
  gap:16px;
  font-weight:500;
  text-decoration-thickness:1px;
  min-height:44px;
}
.text-link span {
  transition:transform .2s;
}
.text-link:hover span {
  transform:translate(3px,-3px);
}
.button {
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:56px;
  padding:14px 24px;
  border:1px solid transparent;
  border-radius:4px;
  text-decoration:none;
  font-weight:500;
  line-height:1.4;
  transition:background .2s,transform .2s;
}
.button:hover {
  transform:translateY(-2px);
}
.button:active {
  transform:translateY(1px);
}
.primary {
  background:var(--blue);
  color:var(--ink);
}
.primary:hover {
  background:#94c1eb;
}
.ink {
  background:var(--ink);
  color:var(--canvas);
}
.ink:hover {
  background:#3c352d;
}
.skip-link {
  position:absolute;
  top:-100px;
  left:16px;
  z-index:2;
  padding:12px 24px;
  background:var(--ink);
  color:white;
}
.skip-link:focus {
  top:8px;
}
.masthead {
  min-height:96px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  border-bottom:1px solid var(--line);
  gap:24px;
}
.brand {
  display:flex;
  align-items:center;
  gap:16px;
  text-decoration:none;
  font-size:16px;
  font-weight:500;
  letter-spacing:.025em;
}
.brand img {
  width:56px;
  height:56px;
}
.brand-category {
  font-size:14px;
  margin-left:16px;
  padding-left:16px;
  border-left:1px solid var(--line);
  color:var(--muted);
}
.masthead nav {
  display:flex;
  align-items:center;
  gap:32px;
  font-size:14px;
}
.masthead nav a {
  min-height:44px;
  display:flex;
  align-items:center;
  text-decoration:none;
}
.masthead nav a:hover {
  text-decoration:underline;
}
.nav-buy {
  gap:16px;
}
.hero>*,.purchase-layout>*,.contents-layout>*,.try-workspace>*,.opening>* {
  min-width:0;
}
.hero {
  display:grid;
  grid-template-columns:minmax(0,1.618fr) minmax(0,1fr);
  gap:48px 64px;
  padding-top:64px;
  padding-bottom:0;
}
.hero-message {
  align-self:center;
  padding-block:8px 24px;
}
.hero h1 {
  font-size:clamp(46px,5.1vw,74px);
  line-height:1.17;
  letter-spacing:-.045em;
}
.hero h1>span {
  position:relative;
  display:inline-block;
  isolation:isolate;
}
.hero h1>span:after {
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:.05em;
  height:.18em;
  background:var(--blue);
  z-index:-1;
}
.hero-intro {
  font-size:19px;
  color:var(--muted);
  line-height:1.8;
  margin-top:28px;
}
.byline {
  font-size:14px;
  margin-top:24px;
}
.byline span {
  color:var(--muted);
  margin-left:16px;
}
.hero-actions {
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  margin-top:32px;
}
.hero-actions .text-link {
  font-size:15px;
}
.hero-assurance {
  font-size:13px;
  color:var(--muted);
  margin-top:12px;
}
.hero-book {
  align-self:center;
  padding:8px 16px 0;
}
.cover-link {
  display:block;
  max-width:344px;
  margin-inline:auto;
  transform:rotate(2deg);
  transition:transform .35s;
}
.cover-link:hover {
  transform:rotate(0) translateY(-5px);
}
.cover-link img {
  width:100%;
  box-shadow:0 24px 32px -16px #47382050,2px 2px 3px #47382020;
}
.hero-book figcaption {
  display:flex;
  justify-content:space-between;
  gap:16px;
  font-size:12px;
  line-height:1.6;
  margin:28px auto 0;
  max-width:360px;
  color:var(--muted);
}
.hero-book figcaption>span {
  display:block;
}
.hero-book figcaption a {
  align-self:end;
  white-space:nowrap;
}
.hero-offer {
  grid-column:1/-1;
  padding:28px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.hero-offer>p {
  font-size:16px;
  line-height:1.6;
}
.hero-offer>p>span {
  display:block;
  font-size:13px;
  color:var(--muted);
  margin-top:5px;
}
.offer-action {
  display:flex;
  gap:24px;
  align-items:center;
}
.offer-action>div {
  text-align:right;
}
.current-price {
  display:block;
  font-size:26px;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.offer-action small {
  font-size:12px;
  display:block;
  margin-top:5px;
}
.offer-action .button {
  font-size:15px;
}
.offer-action>.text-link {
  font-size:14px;
  white-space:nowrap;
}
.opening {
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:48px;
}
.opening .section-label {
  padding-top:8px;
}
.opening-body>p {
  color:var(--muted);
  margin-top:24px;
}
.reader-needs {
  list-style:none;
  padding:0;
  margin:32px 0 0;
}
.reader-needs li {
  padding:14px 0;
  border-top:1px solid var(--line);
  display:flex;
  gap:16px;
  font-size:16px;
}
.reader-needs li:before {
  content:"↗";
  color:var(--focus);
}
.free-section {
  background:var(--surface);
}
.section-heading {
  margin-bottom:40px;
}
.section-heading>p:last-child:not(.section-label) {
  color:var(--muted);
  margin-top:24px;
}
.case-spread {
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:64px;
  align-items:center;
}
.case-image {
  background:var(--canvas);
  padding:24px 24px 16px;
}
.case-image img {
  width:100%;
  height:auto;
  aspect-ratio:1.6;
  object-fit:contain;
  background:#eef1f0;
}
.case-image figcaption {
  font-size:12px;
  color:var(--muted);
  margin-top:16px;
}
.chapter-tag {
  font-size:13px;
  color:var(--muted);
  margin-bottom:16px;
}
.case-reading h3 {
  font-size:32px;
  margin-bottom:24px;
}
.case-step {
  display:grid;
  grid-template-columns:90px 1fr;
  gap:16px;
  margin-top:20px;
}
.case-step>span {
  font-size:13px;
  font-weight:500;
  padding-top:3px;
}
.case-step p {
  color:var(--muted);
  font-size:16px;
}
.case-takeaway {
  padding-top:24px;
  margin-top:24px;
  border-top:1px solid #ccc4b9;
  font-size:18px;
  line-height:1.65;
}
.chapter-full {
  margin-top:40px;
  background:var(--canvas);
  border:1px solid var(--line);
}
.chapter-full summary {
  list-style:none;
  cursor:pointer;
  position:relative;
  padding:24px 64px 24px 24px;
  font-size:20px;
  line-height:1.5;
  font-weight:500;
}
.chapter-full summary::-webkit-details-marker {
  display:none;
}
.chapter-full summary:after {
  content:"+";
  position:absolute;
  right:28px;
  top:23px;
  font-size:24px;
  font-weight:400;
}
.chapter-full[open] summary:after {
  content:"−";
}
.chapter-full summary span {
  display:block;
  font-size:14px;
  color:var(--muted);
  font-weight:400;
  margin-top:4px;
}
.chapter-full summary:hover {
  background:#ebe6de;
}
.chapter-full[open] summary {
  border-bottom:1px solid var(--line);
}
.chapter-body {
  max-width:760px;
  margin:auto;
  padding:48px 32px 56px;
  font-size:18px;
  line-height:1.9;
}
.chapter-body p {
  margin:0 0 20px;
}
.chapter-body h4 {
  font-size:24px;
  margin:40px 0 24px;
}
.chapter-body pre {
  font:500 15px/1.9 "HAM Book Sans",sans-serif;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
  background:var(--surface);
  padding:24px;
  border-left:3px solid var(--blue);
  margin:24px 0;
}
.chapter-body blockquote {
  border-left:3px solid var(--blue);
  padding:8px 24px;
  margin:28px 0;
}
.chapter-body blockquote p {
  margin:0;
}
.reading-next {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  font-size:15px;
  margin-top:24px;
  color:var(--muted);
}
.privacy-note {
  font-size:14px;
  color:var(--muted);
  margin-bottom:24px;
}
.workshop-bar {
  display:flex;
  justify-content:space-between;
  gap:24px;
  border-top:2px solid var(--ink);
  border-bottom:1px solid var(--line);
  padding:16px 0;
  font-size:14px;
}
.workshop-bar>span:last-child {
  font-variant-numeric:tabular-nums;
  color:var(--focus);
  white-space:nowrap;
}
.try-workspace {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:0;
  background:white;
  border-bottom:1px solid var(--line);
}
#experience-form {
  padding:32px 40px 32px 0;
  background:var(--canvas);
  display:flex;
  flex-direction:column;
}
#experience-form label {
  font-size:15px;
  font-weight:500;
  margin-bottom:8px;
}
textarea {
  width:100%;
  min-width:0;
  border:1px solid #958c81;
  border-radius:3px;
  background:#fffefa;
  color:var(--ink);
  padding:14px 16px;
  font-size:16px;
  line-height:1.65;
  resize:vertical;
  overflow-wrap:anywhere;
  word-break:normal;
}
#experience-form textarea {
  min-height:94px;
  margin-bottom:24px;
}
.try-output {
  padding:32px 32px 24px;
  border-left:1px solid var(--line);
  background:var(--blue-light);
}
.try-output>label {
  display:block;
  font-size:18px;
  font-weight:500;
  margin-bottom:16px;
}
.try-output textarea {
  background:transparent;
  border:0;
  padding:0;
  border-radius:0;
  min-height:400px;
  font-size:16px;
}
.try-output>p {
  font-size:13px;
  color:var(--muted);
  margin-top:16px;
  line-height:1.75;
}
#try-output-note {
  border-top:1px solid #bacbd9;
  padding-top:16px;
}
.try-reset {
  background:none;
  border:0;
  padding:8px 0;
  text-align:left;
  text-decoration:underline;
  text-underline-offset:5px;
  font-size:14px;
  align-self:start;
  min-height:44px;
}
#try-copy {
  padding:14px 24px;
  min-height:52px;
  border:1px solid var(--ink);
  background:var(--ink);
  border-radius:3px;
  color:var(--canvas);
  font-size:16px;
  margin-top:24px;
  transition:background .2s,transform .2s;
}
#try-copy:hover:enabled {
  background:#39322a;
}
#try-copy:active:enabled {
  transform:translateY(1px);
}
#try-status {
  min-height:46px;
}
.noscript-note {
  padding:24px;
  border:1px solid var(--line);
}
.contents-section {
  background:var(--surface);
}
.contents-layout {
  display:grid;
  grid-template-columns:1fr 1.45fr;
  gap:80px;
}
.contents-intro>p:not(.section-label) {
  color:var(--muted);
  margin-top:24px;
}
.edition-note {
  display:block;
  font-size:14px;
  color:var(--muted);
  border-top:1px solid var(--line);
  margin-top:32px;
  padding-top:24px;
}
.contents-list article {
  display:grid;
  grid-template-columns:48px 1fr;
  gap:24px;
  padding:28px 0;
  border-top:1px solid #c9c0b4;
}
.contents-list article:first-child {
  padding-top:0;
  border-top:0;
}
.contents-number {
  font-size:36px;
  font-weight:400;
  line-height:1.2;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.contents-list h3 {
  font-size:24px;
}
.contents-list p {
  font-size:16px;
  color:var(--muted);
  margin-top:14px;
}
.contents-list small {
  display:block;
  margin-top:12px;
  font-size:13px;
}
.worksheets {
  margin-top:64px;
  border-top:2px solid var(--ink);
  padding-top:24px;
}
.worksheets h3 {
  font-size:18px;
}
.worksheets dl {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin:24px 0 0;
  gap:24px;
}
.worksheets dl>div {
  border-left:2px solid #6f9cc2;
  padding-left:16px;
}
.worksheets dt {
  font-size:17px;
  font-weight:500;
}
.worksheets dd {
  margin:8px 0 0;
  font-size:14px;
  color:var(--muted);
}
.author-note {
  border-bottom:1px solid var(--line);
}
.author-note blockquote {
  font-size:clamp(27px,3.4vw,46px);
  line-height:1.5;
  letter-spacing:-.04em;
  font-weight:500;
}
.author-note>p:not(.section-label) {
  font-size:14px;
  color:var(--muted);
  margin-top:24px;
}
.honest-note {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  margin-top:40px;
  color:var(--muted);
  font-size:16px;
  max-width:960px;
}
.honest-note p {
  margin:0;
}
.book-reviews {
  padding-block:64px;
}
.book-reviews h2 {
  font-size:32px;
}
.book-reviews [data-book-reviews] {
  margin:24px 0 0;
  min-height:80px;
}
.book-reviews [data-book-reviews]>p {
  color:var(--muted);
  font-size:16px;
  padding:24px 0;
  border-top:1px solid var(--line);
}
.book-reviews blockquote {
  margin:16px 0;
  padding:24px 0 24px 24px;
  border-left:3px solid var(--blue);
  max-width:800px;
  overflow-wrap:anywhere;
  white-space:pre-wrap;
}
.book-reviews cite {
  display:block;
  font-size:13px;
  font-style:normal;
  color:var(--muted);
  margin-top:16px;
}
.review-invitation {
  font-size:14px;
  color:var(--muted);
}
[data-reviews-retry] {
  background:transparent;
  color:var(--ink);
  border:1px solid #958c81;
  border-radius:3px;
  padding:10px 20px;
  margin-top:16px;
  min-height:44px;
}
.purchase-section {
  background:#e6eef5;
}
.purchase-layout {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:96px;
}
.purchase-main>p:not(.section-label) {
  margin-top:24px;
}
.purchase-price {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:24px;
  margin:32px 0 24px;
}
.purchase-price>strong {
  font-size:56px;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.04em;
}
.purchase-price>strong>span {
  font-size:28px;
  margin-left:4px;
}
.purchase-price>p {
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.purchase-main .button {
  width:100%;
  font-size:18px;
}
.purchase-main .payment-method {
  margin-top:12px!important;
  font-size:14px;
  color:var(--muted);
}
.purchase-promises {
  margin:32px 0 0;
  padding-left:20px;
  font-size:15px;
  color:var(--muted);
}
.purchase-promises li {
  margin-top:10px;
}
.gift-panel {
  border-left:1px solid #b7c5d1;
  padding-left:64px;
}
.gift-panel h2 {
  font-size:32px;
}
.gift-panel>p:not(.section-label) {
  margin-top:24px;
  font-size:15px;
  color:var(--muted);
}
.gift-panel .gift-message {
  font-size:20px!important;
  line-height:1.65;
  color:var(--ink)!important;
}
.gift-panel .gift-message+.note {
  margin-top:8px!important;
  font-size:12px;
}
.gift-panel ol {
  list-style:none;
  counter-reset:gift;
  padding:0;
  margin:24px 0;
}
.gift-panel li {
  position:relative;
  padding:0 0 16px 32px;
  font-size:15px;
  counter-increment:gift;
}
.gift-panel li:before {
  content:counter(gift);
  position:absolute;
  left:0;
  font-size:18px;
  font-weight:500;
}
.gift-panel li strong {
  font-weight:500;
}
.gift-panel li span {
  display:block;
  color:var(--muted);
  font-size:14px;
}
.gift-panel>.note {
  font-size:13px!important;
  margin-top:16px!important;
}
.purchase-help {
  display:grid;
  grid-template-columns:1fr 2fr;
  gap:64px;
}
.purchase-help>h2 {
  font-size:24px;
}
.help-rows>div {
  display:grid;
  grid-template-columns:128px 1fr;
  gap:24px;
  padding:24px 0;
  border-top:1px solid var(--line);
}
.help-rows>div:first-child {
  padding-top:0;
  border-top:0;
}
.help-rows h3 {
  font-size:16px;
  font-weight:500;
  line-height:1.8;
  letter-spacing:0;
}
.help-rows p {
  font-size:15px;
  color:var(--muted);
  overflow-wrap:anywhere;
}
footer {
  border-top:1px solid var(--line);
  padding-block:40px 56px;
  display:flex;
  justify-content:space-between;
  gap:40px;
  font-size:13px;
  color:var(--muted);
}
.footer-brand {
  font-size:18px;
  font-weight:500;
  text-decoration:none;
  color:var(--ink);
}
footer p {
  margin-top:16px;
}
footer nav {
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  align-content:start;
}
footer nav a {
  min-height:44px;
  display:flex;
  align-items:center;
}
@media(prefers-reduced-motion:no-preference) {
  .hero-message {
    animation:enter .65s both;
  }
  .hero-book {
    animation:enter .8s .1s both;
  }
  .case-image.is-visible img {
    animation:develop .65s both;
  }
  .is-updated .try-output {
    animation:paper-pulse .35s;
  }
  @keyframes paper-pulse {
    from {
      background:#d2e5f5;
    }
    to {
      background:var(--blue-light);
    }
  }
  @keyframes enter {
    from {
      opacity:.65;
      transform:translateY(12px);
    }
    to {
      opacity:1;
      transform:translateY(0);
    }
  }
  @keyframes develop {
    from {
      filter:saturate(.35);
      transform:scale(.985);
    }
    to {
      filter:saturate(1);
      transform:scale(1);
    }
  }
}
@media(min-width:1600px) {
  .hero {
    padding-top:80px;
  }
}
@media(max-width:1100px) {
  .hero {
    gap:40px;
  }
  .hero h1 {
    font-size:56px;
  }
  .hero-book {
    padding:0;
  }
  .hero-actions {
    gap:12px;
  }
  .hero-offer {
    align-items:start;
  }
  .offer-action {
    gap:16px;
    flex-wrap:wrap;
    justify-content:flex-end;
  }
  .offer-action>div {
    width:100%;
  }
  .opening {
    grid-template-columns:1fr 2.4fr;
    gap:32px;
  }
  .case-spread {
    gap:32px;
  }
  .contents-layout {
    gap:48px;
  }
  .purchase-layout {
    gap:48px;
  }
  .gift-panel {
    padding-left:40px;
  }
  .purchase-help {
    gap:32px;
  }
  .help-rows>div {
    grid-template-columns:100px 1fr;
  }
}
@media(max-width:760px) {
  :root {
    --space:24px;
  }
  body {
    font-size:16px;
  }
  .masthead {
    min-height:80px;
    gap:16px;
  }
  .brand {
    font-size:13px;
    gap:10px;
  }
  .brand img {
    width:48px;
    height:48px;
  }
  .brand-category {
    display:none;
  }
  .masthead nav {
    gap:16px;
    font-size:13px;
  }
  .masthead nav>a:nth-child(2) {
    display:none;
  }
  .masthead nav .nav-buy {
    gap:8px;
  }
  .hero {
    padding-top:40px;
    grid-template-columns:1fr;
    gap:32px;
  }
  .hero-message {
    padding:0;
  }
  .hero .eyebrow {
    font-size:13px;
    margin-bottom:20px;
  }
  .hero h1 {
    font-size:clamp(44px,8.2vw,64px);
    line-height:1.18;
  }
  .hero h1 br:nth-of-type(2) {
    display:none;
  }
  .hero-intro {
    font-size:17px;
    margin-top:24px;
  }
  .byline {
    font-size:13px;
    margin-top:20px;
  }
  .byline span {
    margin-left:12px;
  }
  .hero-actions {
    gap:12px 24px;
    margin-top:24px;
  }
  .hero-actions .button {
    font-size:15px;
    min-height:52px;
    padding:14px 20px;
  }
  .hero-actions .text-link {
    font-size:14px;
  }
  .hero-assurance {
    font-size:12px;
  }
  .hero-book {
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    align-items:center;
    gap:24px;
    background:var(--surface);
    padding:28px 24px;
    margin-top:0;
  }
  .cover-link {
    width:100%;
    max-width:196px;
    transform:rotate(-2deg);
  }
  .hero-book figcaption {
    display:block;
    font-size:14px;
    line-height:1.7;
    margin:0;
    max-width:none;
  }
  .hero-book figcaption a {
    display:inline-flex;
    min-height:44px;
    align-items:center;
    margin-top:16px;
    font-size:13px;
  }
  .hero-offer {
    display:block;
    padding:24px 0;
  }
  .hero-offer>p {
    font-size:15px;
  }
  .offer-action {
    justify-content:flex-start;
    margin-top:24px;
    gap:16px;
  }
  .offer-action>div {
    width:100%;
    text-align:left;
    display:flex;
    align-items:center;
    gap:16px;
  }
  .offer-action small {
    font-size:11px;
    max-width:190px;
    margin:0;
  }
  .offer-action .button {
    flex:1;
    min-width:150px;
  }
  .offer-action .text-link {
    padding-inline:8px;
  }
  .opening {
    display:block;
  }
  .opening .section-label {
    padding:0;
    margin-bottom:20px;
  }
  .opening-body>p {
    margin-top:20px;
  }
  .reader-needs {
    margin-top:24px;
  }
  .reader-needs li {
    font-size:15px;
  }
  .section-heading {
    margin-bottom:32px;
  }
  .section-heading>p:last-child:not(.section-label) {
    margin-top:20px;
  }
  .case-spread {
    grid-template-columns:1fr;
    gap:32px;
  }
  .case-image {
    padding:16px;
  }
  .case-reading h3 {
    font-size:28px;
  }
  .case-step {
    grid-template-columns:80px 1fr;
    gap:12px;
  }
  .case-step p {
    font-size:15px;
  }
  .case-takeaway {
    font-size:17px;
  }
  .chapter-full {
    margin-top:32px;
  }
  .chapter-full summary {
    padding:20px 48px 20px 20px;
    font-size:18px;
  }
  .chapter-full summary:after {
    right:20px;
    top:17px;
  }
  .chapter-full summary span {
    font-size:13px;
  }
  .chapter-body {
    padding:32px 20px;
    font-size:17px;
  }
  .chapter-body pre {
    font-size:14px;
    padding:16px;
  }
  .chapter-body h4 {
    font-size:22px;
  }
  .reading-next {
    display:block;
    font-size:14px;
  }
  .reading-next>span {
    display:block;
    margin-bottom:8px;
  }
  .privacy-note {
    font-size:13px;
  }
  .workshop-bar {
    font-size:12px;
    gap:16px;
  }
  .try-workspace {
    grid-template-columns:1fr;
  }
  #experience-form {
    padding:24px 0;
  }
  #experience-form textarea {
    min-height:96px;
  }
  .try-output {
    padding:24px 20px;
    border-left:0;
    border-top:1px solid var(--line);
  }
  .try-output textarea {
    min-height:440px;
  }
  .contents-layout {
    grid-template-columns:1fr;
    gap:40px;
  }
  .contents-intro h2 br:last-child {
    display:none;
  }
  .contents-intro>p:not(.section-label) {
    margin-top:20px;
  }
  .edition-note {
    margin-top:24px;
    padding-top:20px;
  }
  .contents-list article {
    grid-template-columns:28px 1fr;
    gap:16px;
    padding:24px 0;
  }
  .contents-number {
    font-size:28px;
  }
  .contents-list h3 {
    font-size:22px;
  }
  .contents-list p {
    font-size:15px;
  }
  .worksheets {
    margin-top:40px;
  }
  .worksheets dl {
    grid-template-columns:1fr 1fr;
    gap:24px 16px;
  }
  .worksheets dt {
    font-size:16px;
  }
  .worksheets dd {
    font-size:13px;
  }
  .honest-note {
    grid-template-columns:1fr;
    gap:16px;
    margin-top:32px;
    font-size:15px;
  }
  .author-note blockquote br {
    display:none;
  }
  .book-reviews {
    padding-block:48px;
  }
  .book-reviews h2 {
    font-size:28px;
  }
  .purchase-layout {
    grid-template-columns:1fr;
    gap:48px;
  }
  .purchase-price {
    gap:24px;
  }
  .purchase-price>strong {
    font-size:48px;
  }
  .purchase-price>p {
    font-size:13px;
  }
  .purchase-main .button {
    font-size:17px;
  }
  .gift-panel {
    padding:40px 0 0;
    border-left:0;
    border-top:1px solid #b7c5d1;
  }
  .gift-panel h2 {
    font-size:28px;
  }
  .purchase-help {
    grid-template-columns:1fr;
    gap:32px;
  }
  .help-rows>div {
    grid-template-columns:1fr;
    gap:8px;
    padding:24px 0;
  }
  .help-rows p {
    font-size:14px;
  }
  footer {
    display:block;
    padding-block:32px 48px;
  }
  footer nav {
    margin-top:24px;
    gap:8px 24px;
    font-size:13px;
  }
  .desktop-break {
    display:none;
  }
}
@media(max-width:360px) {
  :root {
    --space:20px;
  }
  .brand>span {
    font-size:11px;
  }
  .masthead nav {
    gap:12px;
    font-size:12px;
  }
  .hero h1 {
    font-size:42px;
  }
  .hero-book {
    gap:16px;
    padding:24px 16px;
  }
  .hero-book figcaption {
    font-size:12px;
  }
  .hero-book figcaption a {
    font-size:12px;
  }
  .hero .eyebrow {
    font-size:12px;
  }
  .hero-actions {
    display:block;
  }
  .hero-actions .button {
    width:100%;
  }
  .hero-actions .text-link {
    margin-top:8px;
  }
  .hero-assurance {
    font-size:11px;
  }
  .offer-action>div {
    gap:12px;
  }
  .offer-action small {
    max-width:160px;
  }
  .current-price {
    font-size:24px;
  }
  .byline span {
    display:block;
    margin-left:0;
  }
  .purchase-price {
    gap:16px;
  }
  .purchase-price>strong {
    font-size:42px;
  }
  .purchase-price>p {
    font-size:12px;
  }
  .workshop-bar {
    font-size:11px;
  }
  .try-output textarea {
    min-height:540px;
  }
  .worksheets dl {
    grid-template-columns:1fr;
  }
  .case-step {
    grid-template-columns:1fr;
    gap:4px;
  }
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto;
  }
  *,*:before,*:after {
    animation:none!important;
    transition:none!important;
  }
  .cover-link,.cover-link:hover,.button:hover,.button:active {
    transform:none;
  }
}

/* Give first-time readers a clear starting point and explain the delivered book. */
.coding-meaning {font-size:14px;color:var(--muted);margin-top:16px;max-width:54ch;}
.first-result {padding:24px 0 0;border-top:1px solid var(--line);}
.first-result strong {display:block;font-weight:500;margin-bottom:8px;}
.reading-paths {margin-bottom:72px;border-top:2px solid var(--ink);}
.reading-paths>p {padding-block:20px;font-weight:500;}
.reading-paths>a {display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px 40px;padding:20px 0;border-top:1px solid var(--line);text-decoration:none;}
.reading-paths strong {font-weight:500;}
.reading-paths strong span {margin-left:12px;}
.reading-paths>a>span {font-size:14px;color:var(--muted);}
.reading-paths>a:hover strong {text-decoration:underline;text-underline-offset:5px;}
.book-delivery {margin:24px 0 0;}
.book-delivery>div {display:grid;grid-template-columns:100px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid #b7c5d1;}
.book-delivery dt {font-weight:500;font-size:15px;}
.book-delivery dd {margin:0;color:var(--muted);font-size:15px;}
@media(max-width:760px){.reading-paths{margin-bottom:48px}.reading-paths>a{grid-template-columns:1fr;gap:4px;padding:18px 0}.coding-meaning{font-size:13px}.book-delivery>div{grid-template-columns:1fr;gap:4px}}

/* Book evidence: the published work and the judgment behind it. */
.app-evidence{display:grid;grid-template-columns:minmax(180px,.65fr) minmax(0,1.35fr);gap:clamp(28px,5vw,80px);align-items:center;margin:72px 0;padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.app-evidence figure{margin:0;text-align:center}.app-evidence img{display:block;width:min(100%,240px);height:auto;margin:auto}.app-evidence figcaption{font-size:13px;line-height:1.6;margin:16px auto 0;max-width:280px}.app-evidence h3{font-size:clamp(24px,3vw,38px);line-height:1.35;margin:12px 0 28px;letter-spacing:-.04em}.app-evidence .note{font-size:13px;line-height:1.7;margin-top:16px}.practice-next{max-width:780px;margin-top:40px;border-top:1px solid var(--line);padding-top:28px}.practice-next h3{font-size:22px;line-height:1.5}.practice-next p{line-height:1.85;margin:16px 0}.practice-next .text-link{margin-top:8px}
@media(max-width:700px){.app-evidence{grid-template-columns:1fr;padding:32px 0;margin:40px 0}.app-evidence img{max-width:190px}.app-evidence h3 br{display:none}}

/* Experience first: prepared starting points, never an AI diagnosis. */
.experience-start{padding:32px;border:1px solid var(--line);border-top:3px solid var(--ink);background:var(--surface)}
.step-heading{display:flex;gap:20px;align-items:flex-start;margin-bottom:24px}.step-heading h3{font-size:25px}.step-heading p{font-size:15px;color:var(--muted);margin-top:8px;max-width:70ch}.step-number{color:var(--focus);font-size:20px;line-height:1.6;font-variant-numeric:tabular-nums}
.experience-start>label{display:block;font-size:15px;font-weight:500;margin-bottom:10px}#try-story{min-height:160px;font-size:18px;background:var(--canvas)}
.story-tools{display:flex;gap:16px;align-items:center;justify-content:space-between;margin:8px 0 20px}.story-tools>span{font-size:13px;color:var(--muted);white-space:nowrap}
.direction-panel,#worksheet-panel,.explore-panel{margin-top:48px;scroll-margin-top:32px}.direction-panel>.note{margin-bottom:24px}.direction-reason{font-size:17px;margin-bottom:12px;color:var(--focus)}
.direction-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.direction-card{position:relative;display:flex;flex-direction:column;align-items:start;gap:14px;text-align:left;border:1px solid var(--line);background:var(--canvas);color:var(--ink);border-radius:4px;padding:26px 24px;min-height:220px;line-height:1.65}.direction-card>strong{font-size:21px;line-height:1.5}.direction-card>span:last-child{font-size:15px;color:var(--muted)}.choice-kicker{font-size:13px;color:var(--focus)}.direction-card.is-suggested{border-color:#7499ba;background:#f1f5f7}.suggestion-tag{font-size:12px;background:var(--blue-light);color:#235f95;padding:3px 8px;border-radius:2px}.direction-card:hover{border-color:var(--focus)}.direction-card[aria-pressed="true"]{outline:2px solid var(--focus);outline-offset:2px;background:var(--blue-light)}
.direction-other{display:flex;gap:20px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:24px}.direction-other .button{font-size:15px}.direction-other .try-reset{align-self:center}
#direction-status{font-size:14px;color:var(--muted);margin-top:16px}.field-optional{font-size:12px;color:var(--muted);font-weight:400;margin-left:6px}.field-help{font-size:13px;color:var(--muted);margin:-2px 0 8px}.try-output{align-self:stretch}.try-output textarea{min-height:560px}#try-request{resize:vertical}.explore-panel{background:var(--blue-light);border-left:3px solid var(--focus);padding:32px}.explore-panel h3{font-size:24px}.explore-panel>p{margin:12px 0 24px;font-size:15px}.explore-panel label{display:block;font-size:14px;margin-bottom:8px}.explore-panel textarea{background:#fffefa;margin-bottom:20px}.explore-panel [role="status"]{min-height:28px;margin:16px 0 0;font-size:14px}#worksheet-heading,#direction-heading,#explore-heading{scroll-margin-top:30px}
@media(max-width:760px){.experience-start{padding:24px 18px}.step-heading{gap:12px}.step-heading h3{font-size:22px}#try-story{font-size:16px;min-height:190px}.story-tools{align-items:start;gap:8px}.story-tools .try-reset{font-size:12px}.story-tools>span{font-size:11px;padding-top:12px}.experience-start>.button{width:100%;justify-content:center;font-size:14px;padding:14px 12px}.direction-options{grid-template-columns:1fr}.direction-card{min-height:0;padding:22px 20px;gap:10px}.direction-card>strong{font-size:20px}.direction-other{display:block}.direction-other>.button{display:flex;width:100%;justify-content:center;margin-top:12px;padding:14px 12px;font-size:14px}.explore-panel{padding:24px 18px}.explore-panel .button{width:100%;justify-content:center;font-size:14px}.try-output textarea{min-height:560px}.workshop-bar{flex-wrap:wrap;gap:8px}}

.replace-confirm{padding:24px;background:#fff4da;border:1px solid #bda570;margin:24px 0}.replace-confirm p{margin-bottom:16px}.replace-confirm .button{margin:4px;font-size:14px;border:1px solid var(--ink)}