:root {
  --color-ibm-blue: #0f62fe;
  --color-ibm-blue-hover: #0050e6;
  --color-top-blue: #0f62fe;
  --color-top-blue-hover: #0050e6;
  --color-navy-text: #102a56;
  --color-body-gray: #374151;
  --color-primary-text: var(--color-navy-text);
  --color-secondary-text: #374151;
  --color-white: #ffffff;
  --color-lighter-gray: #f6f6f6;
  --color-light-gray: #e6e6e6;
  --color-mid-gray: #cbcbcb;
  --color-darker-gray: var(--color-navy-text);
  --ghost-accent-color: var(--color-ibm-blue);
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-serif: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", Menlo, Consolas, Monaco, "Liberation Mono", "Lucida Console", monospace;
  --head-nav-gap: 3.2rem;
  --h1-size: 4.6rem;
  --gap: 3.6rem;
}

@media (max-width: 767px) {
  :root {
    --h1-size: 3.2rem;
    --gap: 2rem;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 70%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-white);
  color: var(--color-primary-text);
  font-family: var(--font-sans);
  font-size: 1.6rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-ibm-blue);
  text-decoration: none;
}

a:hover {
  color: var(--color-ibm-blue-hover);
  opacity: 1;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  color: var(--color-ibm-blue);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h1 {
  font-size: var(--h1-size);
}

h2 {
  font-size: 3.2rem;
}

h3 {
  font-size: 2.4rem;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.screen-reader-text {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.gh-site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.gh-main {
  flex-grow: 1;
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.gh-outer {
  padding-right: var(--gap);
  padding-left: var(--gap);
}

.gh-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.gh-canvas {
  display: grid;
  grid-template-columns:
    [full-start] minmax(var(--gap), auto)
    [wide-start] minmax(auto, 240px)
    [main-start] min(720px, calc(100% - var(--gap) * 2))
    [main-end] minmax(auto, 240px)
    [wide-end] minmax(var(--gap), auto)
    [full-end];
}

.gh-canvas > * {
  grid-column: main-start / main-end;
}

.gh-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-white);
}

.gh-head .gh-inner {
  max-width: 1400px;
}

.gh-head.is-scrolled {
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.07);
}

.gh-head-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--head-nav-gap);
  min-height: 8rem;
}

.gh-head-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gh-head-logo {
  display: inline-flex;
  align-items: center;
  gap: 1.2rem;
  line-height: 1;
  color: var(--color-top-blue);
}

.gh-head-logo-text {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-top-blue);
}

.lwi-logo-golden {
  color: var(--color-top-blue);
}

.lwi-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  overflow: visible;
  border-radius: 0;
  box-shadow: none;
}

.lwi-brand-mark svg {
  display: block;
  width: 100%;
  height: 100%;
}

.lwi-brand-mark--header {
  width: 4.4rem;
  height: 4.4rem;
  flex: 0 0 4.4rem;
}

.lwi-brand-mark--image {
  display: block;
  object-fit: contain;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
  filter: none;
}

.gh-head-menu {
  display: flex;
  align-items: center;
  position: relative;
  min-height: 5.6rem;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.gh-head-menu::before,
.gh-head-menu::after {
  content: "";
  position: absolute;
  left: calc(-1 * var(--gap));
  width: calc(100% + (2 * var(--gap)));
  height: 1px;
  background: var(--color-light-gray);
}

.gh-head-menu::before {
  top: 0;
}

.gh-head-menu::after {
  bottom: 0;
}

.nav {
  display: inline-flex;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.gh-head .nav li + li {
  margin-left: var(--head-nav-gap);
}

.gh-head .nav a {
  display: inline-flex;
  align-items: center;
  color: var(--color-top-blue);
}

.gh-head .nav a:hover,
.gh-head .nav a:focus-visible {
  color: var(--color-top-blue-hover);
}

.lwi-menu-home {
  line-height: 1;
}

.lwi-menu-home-icon {
  display: inline-block;
  font-size: 1.9rem;
  transform: translateY(-0.1rem);
  color: var(--color-top-blue);
}

.gh-head .nav .lwi-menu-note a {
  font-size: 1.3rem;
  letter-spacing: 0;
  text-transform: none;
}

.gh-head-menu .gh-mobile-thesis-btn {
  display: none !important;
  margin-top: 1.6rem;
}

.gh-head-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: flex-end;
}

.gh-head-btn-thesis {
  font-size: 1.3rem;
  padding: 1.1rem 1.5rem;
  white-space: nowrap;
}

.gh-btn.gh-head-btn-subscribe {
  background: #374151;
}

.gh-btn.gh-head-btn-subscribe:hover,
.gh-btn.gh-head-btn-subscribe:focus-visible {
  background: #1f2937;
}

.gh-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  column-gap: 0.5rem;
  border: 0;
  border-radius: 0.6rem;
  background: var(--color-ibm-blue);
  color: var(--color-white);
  cursor: pointer;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1;
  padding: 1.1rem 1.6rem;
}

.gh-btn,
.gh-btn:visited {
  color: var(--color-white);
}

.gh-btn::before {
  content: "→";
  font-weight: 700;
  line-height: 1;
}

.gh-head-btn {
  background: var(--color-top-blue);
}

.gh-head-btn:hover,
.gh-head-btn:focus-visible {
  background: var(--color-top-blue-hover);
}

.gh-btn:hover,
.gh-btn:focus-visible {
  background: var(--color-ibm-blue-hover);
  color: var(--color-white);
}

.gh-btn:active {
  color: var(--color-white);
}

.gh-burger {
  position: relative;
  display: none;
  width: 3rem;
  height: 3rem;
  margin-right: -0.3rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.gh-burger::before,
.gh-burger::after {
  content: "";
  position: absolute;
  left: 0.3rem;
  width: 2.4rem;
  height: 1px;
  background: var(--color-top-blue);
  transition: all 0.2s ease;
}

.gh-burger::before {
  top: 1.1rem;
}

.gh-burger::after {
  bottom: 1.1rem;
}

.gh-latest {
  margin-top: 4rem;
  margin-bottom: 12rem;
}

.gh-home-latest {
  margin: 0 0 8rem;
}

.gh-card-link {
  display: block;
}

.gh-card-title {
  font-size: 3.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ibm-blue);
}

.gh-article-title {
  font-size: 3.4rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-ibm-blue);
}

.gh-article-byline {
  margin-top: 1.2rem;
  color: var(--color-primary-text);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.45;
}

.gh-article-excerpt,
.gh-card-excerpt {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--color-body-gray);
}

.gh-card-author-line,
.gh-card-author {
  margin: 1.2rem 0 0;
  color: var(--color-secondary-text);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.45;
}

.gh-card-sources-line,
.gh-card-sources {
  margin: 0.8rem 0 0;
  color: var(--color-secondary-text);
  font-size: 1.2rem;
  line-height: 1.55;
}

.gh-card-sources-line span,
.gh-card-sources span {
  color: var(--color-primary-text);
  font-weight: 600;
}

.gh-latest .gh-card-meta {
  margin-top: 2.4rem;
}

.gh-wrapper,
.gh-home-grid {
  display: grid;
  grid-template-columns: 4fr 2fr;
  column-gap: 2.4rem;
}

.gh-home-main {
  min-width: 0;
}

.gh-section {
  max-width: 720px;
}

.gh-section-title {
  display: flex;
  align-items: center;
  margin-bottom: 2.4rem;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-ibm-blue);
}

.gh-section-title::after {
  content: "";
  flex-grow: 1;
  height: 1px;
  margin-left: 1.6rem;
  background: var(--color-light-gray);
}

.gh-card + .gh-card {
  margin-top: 8rem;
}

.gh-card-meta,
.gh-article-meta {
  margin-top: 2rem;
  color: var(--color-secondary-text);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.4;
  text-transform: uppercase;
}

.gh-article-meta {
  margin-top: 0;
  margin-bottom: 2rem;
}

.gh-article-tag,
.gh-card-date {
  color: var(--ghost-accent-color);
}

.gh-card-meta-wrapper {
  display: inline-flex;
  align-items: center;
}

.gh-sidebar {
  position: sticky;
  top: 11rem;
  height: max-content;
  padding-left: 4rem;
  font-size: 1.4rem;
}

.gh-sidebar .gh-section + .gh-section {
  margin-top: 8rem;
}

.gh-about {
  display: flex;
}

.gh-about-icon {
  width: 6.4rem;
  height: 6.4rem;
  margin-right: 2rem;
}

.gh-about-icon .custom-logo {
  width: 6.4rem;
  height: 6.4rem;
  border-radius: 1.4rem;
  object-fit: cover;
}

.gh-about-icon .lwi-brand-mark {
  width: 6.4rem;
  height: 6.4rem;
  border-radius: 0;
}

.gh-about-icon-fallback {
  display: grid;
  place-items: center;
  width: 6.4rem;
  height: 6.4rem;
  border-radius: 1.4rem;
  background: var(--color-darker-gray);
  color: var(--color-white);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gh-about-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.gh-about-title {
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--color-ibm-blue);
}

.gh-about-description {
  margin-top: 0.4rem;
  line-height: 1.55;
  color: var(--color-secondary-text);
}

.gh-signup {
  margin-top: 2.8rem;
}

.gh-signup-description {
  margin: 0;
  line-height: 1.55;
}

.gh-signup-btn {
  margin-top: 1.6rem;
}

.gh-featured .gh-card + .gh-card {
  margin-top: 2.8rem;
}

.gh-featured .gh-card-title {
  font-size: 1.9rem;
  line-height: 1.25;
}

.gh-featured .gh-card-excerpt {
  margin-top: 0.8rem;
  font-family: var(--font-sans);
  font-size: 1.5rem;
  color: var(--color-body-gray);
}

.gh-featured .gh-card-meta {
  margin-top: 1.6rem;
}

.gh-cbt-section {
  margin-top: 0;
}

.gh-cbt-mobile {
  display: none;
}

.gh-cbt-desktop {
  display: block;
}

.gh-cbt-promo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.4rem;
  padding: 2.2rem 1.8rem;
  border: 1px solid var(--color-light-gray);
  border-radius: 0.8rem;
  background: var(--color-lighter-gray);
}

.gh-cbt-logo-wrap {
  line-height: 0;
}

.gh-cbt-logo {
  width: 188px;
  height: 188px;
  border-radius: 50%;
  object-fit: cover;
  border: 0;
  box-shadow: none;
}

.gh-cbt-line {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.5;
  color: var(--color-body-gray);
}

.gh-cbt-btn {
  min-width: 18rem;
  background: #beddbb;
  color: #022800;
}

.gh-cbt-btn:hover,
.gh-cbt-btn:focus-visible {
  background: #a9cea7;
  color: #022800;
}

.gh-topic-list {
  display: flex;
  flex-direction: column;
}

.gh-topic-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gh-topic-item + .gh-topic-item {
  margin-top: 1.6rem;
}

.gh-topic-name {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 600;
}

.gh-topic-count {
  border: 1px solid var(--color-light-gray);
  border-radius: 3.2rem;
  padding: 0.4rem 0.8rem;
  font-size: 1.3rem;
  line-height: 1;
}

.gh-archive-layout {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 4fr);
  column-gap: 2.4rem;
}

.gh-pagehead {
  position: sticky;
  top: 11rem;
  height: max-content;
  max-width: 220px;
  padding-top: 0.8rem;
}

.gh-pagehead-title {
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--color-ibm-blue);
}

.gh-pagehead-description {
  margin-top: 0.8rem;
  color: var(--color-secondary-text);
  font-size: 1.5rem;
  line-height: 1.45;
}

.gh-tag-label {
  margin-bottom: 1.2rem;
  color: var(--ghost-accent-color);
  font-size: 1.2rem;
  text-transform: uppercase;
}

.gh-content {
  margin-top: 4rem;
}

.gh-content > * + * {
  margin-top: 2.8rem;
}

.gh-content p,
.gh-content ul,
.gh-content ol,
.gh-content blockquote {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  line-height: 1.65;
  color: var(--color-body-gray);
}

.gh-content h2,
.gh-content h3,
.gh-content h4 {
  margin-top: 5.2rem;
  font-family: var(--font-sans);
  font-weight: 600;
}

.gh-content ul,
.gh-content ol {
  padding-left: 2.8rem;
}

.gh-content a {
  color: var(--ghost-accent-color);
  text-decoration: underline;
}

.gh-content blockquote {
  border-left: 4px solid var(--ghost-accent-color);
  padding-left: 2rem;
}

.gh-article-sources {
  margin-top: 3.2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-light);
}

.gh-article-sources-label {
  margin: 0;
  color: var(--color-primary-text);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0;
  text-transform: none;
}

.gh-article-sources-content p {
  margin: 0.8rem 0 0;
  color: var(--color-body-gray);
  font-family: var(--font-sans);
  font-size: 1.2rem;
  line-height: 1.45;
}

.gh-page .gh-article-title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.2;
}

.gh-page .gh-content {
  margin-top: 2rem;
}

.gh-page .gh-content > p,
.gh-page .gh-content > ul,
.gh-page .gh-content > ol,
.gh-page .gh-content > blockquote,
.gh-page .gh-content > dl {
  font-size: 1.4rem;
  line-height: 1.55;
  color: var(--color-body-gray);
}

.gh-page .gh-content h2,
.gh-page .gh-content h3,
.gh-page .gh-content h4 {
  font-size: 2.1rem;
  margin-top: 3.2rem;
  color: var(--color-ibm-blue);
}

.page-id-85 .gh-article-title {
  font-size: 3.4rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-ibm-blue);
}

.page-id-85 .gh-content {
  margin-top: 1rem;
}

.page-id-85 .gh-content > * + * {
  margin-top: 1rem;
}

.page-id-85 .gh-content > p,
.page-id-85 .gh-content > ul,
.page-id-85 .gh-content > ol,
.page-id-85 .gh-content > blockquote {
  font-family: var(--font-serif);
  font-size: 2rem;
  line-height: 1.55;
  color: var(--color-body-gray);
}

.page-id-85 .gh-content p,
.page-id-85 .gh-content ul,
.page-id-85 .gh-content ol,
.page-id-85 .gh-content blockquote {
  margin: 0;
}

.page-id-85 .gh-content p + p {
  margin-top: 1.2rem;
}

.page-id-85 .gh-article-byline {
  margin: 0.7rem 0 0;
  color: var(--color-ibm-blue);
  font-weight: 700;
}

.page-id-85 .gh-content .lwi-thesis-section-title {
  margin-top: 3.6rem;
  color: var(--color-ibm-blue);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.25;
}

.page-id-85 .gh-content .lwi-thesis-about-title {
  font-size: 2.1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.page-id-85 .gh-content .lwi-thesis-divider {
  border: 0;
  border-top: 1px solid var(--color-light-gray);
  margin: 3.6rem 0 2rem;
}

.page-id-85 .gh-content .lwi-thesis-author-link {
  color: var(--color-ibm-blue);
  font-weight: 700;
  text-decoration: none;
}

.page-id-85 .gh-content .lwi-thesis-author-link:hover,
.page-id-85 .gh-content .lwi-thesis-author-link:focus-visible {
  color: var(--color-top-blue-hover);
  text-decoration: underline;
}

.page-id-85 .gh-content .lwi-thesis-highlight-line {
  color: var(--color-ibm-blue) !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
}

.lwi-profile-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.4rem;
}

.lwi-profile-card {
  padding: 1.8rem;
  border: 1px solid var(--color-light-gray);
  border-radius: 0.8rem;
  background: var(--color-lighter-gray);
}

.lwi-profile-card--person {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.2rem;
  padding: 2.4rem 2rem;
}

.lwi-profile-card--person h3 {
  margin: 0;
  font-size: 2.6rem;
  line-height: 1.2;
}

.lwi-profile-photo {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.lwi-profile-photo-wrap,
.lwi-profile-link {
  line-height: 0;
}

.lwi-linkedin-icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #224a40;
  color: #bfddbc;
  text-decoration: none;
  transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.lwi-linkedin-icon-link:hover,
.lwi-linkedin-icon-link:focus-visible {
  transform: translateY(-1px);
  opacity: 0.92;
  background: #1d3f37;
}

.lwi-linkedin-icon-link svg {
  width: 16px;
  height: 16px;
  display: block;
}

.lwi-profile-card .badge-base {
  width: 100%;
}

.lwi-profile-card .badge-base__link {
  text-decoration: none;
}

.gh-article-image {
  grid-column: wide-start / wide-end;
  margin-top: 4rem;
}

.gh-article-image img {
  width: 100%;
}

.gh-article-footer {
  margin-top: 8rem;
  padding-top: 3.2rem;
  border-top: 1px solid var(--color-light-gray);
}

.gh-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 2.4rem;
}

.gh-navigation > div {
  display: flex;
}

.gh-navigation-next {
  justify-content: flex-end;
  text-align: right;
}

.gh-navigation-link {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
}

.gh-navigation-next .gh-navigation-link {
  align-items: flex-end;
}

.gh-navigation-label {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
}

.gh-navigation-title {
  margin-top: 0.8rem;
  font-size: 1.6rem;
}

.comments-area {
  margin-top: 6rem;
}

.comments-title {
  font-size: 2rem;
}

.comment-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.comment-list .comment {
  margin-top: 2.4rem;
  padding-top: 2.4rem;
  border-top: 1px solid var(--color-light-gray);
}

.comment-form textarea,
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"] {
  width: 100%;
  border: 1px solid var(--color-light-gray);
  border-radius: 0.6rem;
  padding: 1.2rem;
  font-size: 1.5rem;
}

.comment-form .gh-btn,
.comment-form input[type="submit"] {
  margin-top: 1.6rem;
}

.comment-form input[type="submit"] {
  border: 0;
  border-radius: 0.6rem;
  background: var(--color-ibm-blue);
  color: var(--color-white);
  padding: 1.1rem 1.6rem;
  font-size: 1.4rem;
  font-weight: 600;
  cursor: pointer;
}

.comment-form input[type="submit"]:hover,
.comment-form input[type="submit"]:focus-visible {
  background: var(--color-ibm-blue-hover);
}

.pagination {
  margin-top: 6.4rem;
}

.pagination .page-numbers {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pagination .page-numbers a,
.pagination .page-numbers span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.2rem;
  height: 3.2rem;
  border: 1px solid var(--color-light-gray);
  border-radius: 0.6rem;
  padding: 0 0.8rem;
  font-size: 1.3rem;
  font-weight: 600;
}

.pagination .page-numbers .current {
  background: var(--color-ibm-blue);
  border-color: var(--color-ibm-blue);
  color: var(--color-white);
}

.gh-subscribe {
  margin: 12rem 0 8rem;
  background: var(--color-lighter-gray);
  padding: 7.2rem var(--gap);
}

.gh-subscribe-inner {
  max-width: 120rem;
  margin: 0 auto;
}

.gh-subscribe-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 4.8rem;
  align-items: start;
}

.gh-subscribe-contact {
  padding-top: 0.6rem;
}

.gh-contact-title {
  font-size: clamp(2.2rem, 3vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-ibm-blue);
}

.gh-contact-text {
  margin: 1.4rem 0 0;
  font-size: 1.6rem;
  line-height: 1.65;
  color: var(--color-body-gray);
}

.gh-subscribe-contact-btn {
  margin-top: 2rem;
  min-width: 20rem;
  padding-right: 2.2rem;
  padding-left: 2.2rem;
}

.gh-subscribe-newsletter {
  text-align: center;
}

.gh-subscribe-title {
  font-size: clamp(2.4rem, 3.3vw, 3.2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--color-ibm-blue);
}

.gh-subscribe-description {
  max-width: 64rem;
  margin: 1.6rem auto 0;
  font-size: 1.6rem;
  line-height: 1.6;
  color: var(--color-secondary-text);
}

.gh-subscribe-form {
  width: 100%;
  max-width: 48rem;
  margin: 3rem auto 0;
}

.gh-subscribe-input {
  width: 100%;
  border: 1px solid var(--color-light-gray);
  border-radius: 0.6rem;
  background: var(--color-white);
  color: var(--color-darker-gray);
  padding: 1.5rem 1.4rem;
  font-size: 1.6rem;
}

.gh-subscribe-input:focus {
  outline: none;
  border-color: var(--color-ibm-blue);
  box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.16);
}

.gh-subscribe-btn {
  width: 100%;
  margin-top: 1.2rem;
  background: var(--color-ibm-blue);
  color: var(--color-white);
  padding-top: 1.4rem;
  padding-bottom: 1.4rem;
}

.gh-subscribe-btn:hover,
.gh-subscribe-btn:focus-visible {
  background: var(--color-ibm-blue-hover);
}

.gh-subscribe-feedback {
  margin: 1.4rem auto 0;
  font-size: 1.4rem;
  font-weight: 500;
}

.gh-subscribe-feedback.is-success {
  color: #0a7a38;
}

.gh-subscribe-feedback.is-error {
  color: #b01919;
}

.gh-subscribe-feedback.is-neutral {
  color: var(--color-secondary-text);
}

.lwi-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.lwi-contact-card {
  margin-top: 2.4rem;
  padding: 2.4rem;
  border: 1px solid var(--color-light-gray);
  border-radius: 0.8rem;
  background: var(--color-lighter-gray);
}

.lwi-contact-intro {
  margin: 0 0 1.6rem;
  font-size: 1.5rem;
  line-height: 1.55;
  color: var(--color-body-gray);
}

.lwi-contact-form {
  display: grid;
  gap: 1.2rem;
}

.lwi-contact-form label {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-navy-text);
}

.lwi-contact-textarea {
  width: 100%;
  border: 1px solid var(--color-light-gray);
  border-radius: 0.6rem;
  background: var(--color-white);
  color: var(--color-darker-gray);
  padding: 1.3rem 1.4rem;
  font-size: 1.6rem;
  line-height: 1.55;
  resize: vertical;
  min-height: 16rem;
}

.lwi-contact-textarea:focus {
  outline: none;
  border-color: var(--color-ibm-blue);
  box-shadow: 0 0 0 3px rgba(15, 98, 254, 0.16);
}

.lwi-contact-btn {
  margin-top: 0.8rem;
  width: fit-content;
  min-width: 18rem;
}

.gh-foot {
  color: var(--color-secondary-text);
  padding-top: 6rem;
  padding-bottom: 6rem;
}

.gh-foot-inner {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  font-size: 1.3rem;
}

.gh-foot-menu .nav li {
  display: flex;
  align-items: center;
}

.gh-foot-menu .nav li + li::before {
  content: "|";
  font-size: 1.2rem;
  line-height: 1;
  color: var(--color-secondary-text);
  padding: 0 1.2rem;
}

.gh-powered-by {
  text-align: right;
}

.gh-head-search-wrap {
  padding: 0.8rem var(--gap) 1rem;
}

.gh-head-search-wrap .gh-inner {
  max-width: 1400px;
}

.gh-search-form {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 0.75rem 1rem 0.75rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.38));
  box-shadow: 0 10px 32px rgba(16, 42, 86, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
}

.gh-search-form .gh-search-icon {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 3.4rem;
  height: 3.4rem;
  color: #2f3342;
}

.gh-search-form .gh-search-icon svg {
  width: 2.35rem;
  height: 2.35rem;
}

.gh-search-form .search-field {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-primary-text);
  padding: 0 0.4rem;
  font-size: 2.4rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.gh-search-form .search-field::placeholder {
  color: #434756;
}

.gh-search-form .search-submit {
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  color: #4a4f63;
  width: 3.8rem;
  height: 3.8rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  box-shadow: inset 0 0 0 1px rgba(31, 41, 55, 0.12);
  transition: all 0.2s ease;
}

.gh-search-form .search-submit svg {
  width: 1.9rem;
  height: 1.9rem;
}

.gh-search-form .search-submit::before {
  content: none;
}

.gh-search-form .search-submit:hover,
.gh-search-form .search-submit:focus-visible {
  background: rgba(15, 98, 254, 0.12);
  color: var(--color-ibm-blue);
  box-shadow: inset 0 0 0 1px rgba(15, 98, 254, 0.3);
}

.gh-search-type {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(15, 98, 254, 0.11);
  color: var(--color-ibm-blue);
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.gh-search-highlight {
  background: #ffe868;
  color: inherit;
  padding: 0 0.2em;
  border-radius: 0.15em;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.09em;
  text-decoration-color: rgba(16, 42, 86, 0.45);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.gh-search-context {
  margin: 1rem 0 0;
  font-size: 1.75rem;
  line-height: 1.55;
  color: var(--color-body-gray);
}

.gh-search-context-label {
  color: var(--color-primary-text);
  font-weight: 600;
}

.gh-search-open {
  margin: 1.2rem 0 0;
  color: var(--color-ibm-blue);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.gh-search-empty {
  border: 1px solid var(--color-light-gray);
  border-radius: 0.8rem;
  background: var(--color-lighter-gray);
  padding: 1.8rem;
}

.gh-search-empty p {
  margin: 0;
  color: var(--color-body-gray);
  font-size: 1.5rem;
  line-height: 1.5;
}

.gh-search-empty p + p {
  margin-top: 0.8rem;
}

@media (max-width: 991px) {
  .gh-main {
    padding-top: 4.8rem;
    padding-bottom: 4.8rem;
  }

  .gh-head-inner {
    grid-template-columns: 1fr;
    row-gap: 0;
    min-height: 7.2rem;
  }

  .gh-head-brand {
    min-height: 7.2rem;
  }

  .gh-burger {
    display: block;
  }

  .gh-head-menu,
  .gh-head-actions {
    display: none;
  }

  .gh-head-search-wrap {
    padding-top: 0.4rem;
    padding-bottom: 1rem;
  }

  .gh-search-form {
    max-width: 100%;
    padding: 0.6rem 0.8rem 0.6rem 1rem;
  }

  .gh-search-form .search-field {
    font-size: 2rem;
  }

  .is-head-open #gh-head {
    position: fixed;
    inset: 0;
    overflow-y: auto;
    padding-bottom: 2.4rem;
  }

  .is-head-open #gh-head .gh-head-inner {
    align-content: start;
    min-height: 100%;
  }

  .is-head-open #gh-head .gh-head-menu {
    display: block;
  }

  .is-head-open #gh-head .gh-head-search-wrap {
    display: none;
  }

  .is-head-open #gh-head .nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }

  .is-head-open #gh-head .nav li + li {
    margin-top: 0;
    margin-left: 0;
  }

  .is-head-open #gh-head .nav a {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    font-size: 1.6rem;
    line-height: 1.35;
    letter-spacing: 0;
    text-transform: none;
  }

  .is-head-open #gh-head .nav a::before {
    content: "→";
    font-weight: 700;
    line-height: 1;
  }

  .is-head-open #gh-head .nav a.lwi-menu-home::before {
    content: none;
  }

  .is-head-open #gh-head .gh-mobile-thesis-btn {
    display: inline-flex !important;
  }

  .is-head-open .gh-burger::before {
    top: 1.5rem;
    transform: rotate(45deg);
  }

  .is-head-open .gh-burger::after {
    bottom: 1.4rem;
    transform: rotate(-45deg);
  }

  .gh-wrapper,
  .gh-home-grid,
  .gh-archive-layout {
    grid-template-columns: 1fr;
  }

  .gh-sidebar,
  .gh-pagehead {
    position: static;
    max-width: none;
    margin-top: 6rem;
    padding-left: 0;
  }

  .gh-article-title {
    font-size: 3.4rem;
  }

  .gh-article-excerpt {
    font-size: 1.9rem;
  }

  .gh-article-byline {
    font-size: 1.2rem;
  }

  .gh-cbt-mobile {
    display: block;
    margin-bottom: 6rem;
  }

  .gh-cbt-desktop {
    display: none;
  }

  .gh-cbt-desktop + .gh-section {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .lwi-profile-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .gh-search-form .gh-search-icon {
    width: 3rem;
    height: 3rem;
  }

  .gh-search-form .gh-search-icon svg {
    width: 2.05rem;
    height: 2.05rem;
  }

  .gh-search-form .search-field {
    font-size: 1.8rem;
  }

  .gh-search-form .search-submit {
    width: 3.4rem;
    height: 3.4rem;
  }

  .gh-search-context {
    font-size: 1.65rem;
  }

  .gh-search-form .search-submit svg {
    width: 1.7rem;
    height: 1.7rem;
  }

  .gh-cbt-logo {
    width: 164px;
    height: 164px;
  }

  .gh-cbt-btn {
    width: 100%;
  }

  .lwi-profile-photo {
    width: 150px;
    height: 150px;
  }

  .gh-latest {
    margin-top: 0;
    margin-bottom: 8rem;
  }

  .gh-card + .gh-card {
    margin-top: 6.4rem;
  }

  .gh-card-title {
    font-size: 2.8rem;
  }

  .gh-article-title {
    font-size: 2.8rem;
  }

  .page-id-85 .gh-article-title {
    font-size: 2.8rem;
  }

  .page-id-85 .gh-content > p,
  .page-id-85 .gh-content > ul,
  .page-id-85 .gh-content > ol,
  .page-id-85 .gh-content > blockquote {
    font-size: 1.8rem;
  }

  .page-id-85 .gh-content .lwi-thesis-section-title {
    font-size: 2.2rem;
  }

  .gh-card-excerpt {
    font-size: 1.8rem;
  }

  .gh-article-excerpt {
    font-size: 1.8rem;
  }

  .gh-card-author-line,
  .gh-card-author {
    font-size: 1.2rem;
  }

  .gh-card-sources-line,
  .gh-card-sources {
    font-size: 1.2rem;
  }

  .gh-content {
    margin-top: 3.2rem;
  }

  .gh-content p,
  .gh-content ul,
  .gh-content ol,
  .gh-content blockquote {
    font-size: 1.8rem;
  }

  .gh-navigation {
    grid-template-columns: 1fr;
    row-gap: 2rem;
  }

  .gh-navigation-next {
    justify-content: flex-start;
    text-align: left;
  }

  .gh-navigation-next .gh-navigation-link {
    align-items: flex-start;
  }

  .gh-subscribe {
    margin-top: 8rem;
    padding-top: 5.6rem;
    padding-bottom: 5.6rem;
  }

  .gh-subscribe-split {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .gh-subscribe-title {
    font-size: 2.4rem;
  }

  .gh-subscribe-description {
    font-size: 1.5rem;
  }

  .gh-contact-title {
    font-size: 2.4rem;
  }

  .gh-contact-text {
    font-size: 1.5rem;
  }

  .gh-subscribe-contact-btn {
    width: 100%;
  }

  .lwi-contact-card {
    padding: 1.8rem;
  }

  .lwi-contact-btn {
    width: 100%;
  }

  .gh-foot {
    padding-top: 4.8rem;
    padding-bottom: 4.8rem;
  }

  .gh-foot-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .gh-foot-menu {
    margin-top: 1.2rem;
  }

  .gh-foot-menu .nav {
    justify-content: center;
    flex-wrap: wrap;
  }

  .gh-powered-by {
    text-align: center;
  }
}