/* Linked chapter navigation and an upward-moving stream of cards. */
.uk-chapters {
  position: relative;
  z-index: 4;
  padding: 96px 48px;
  background: radial-gradient(ellipse at 12% 35%, #e6def0, transparent 65%), #f1f2ed;
  color: var(--ink);
}
.uk-chapters-inner { max-width: 1184px; margin: auto; display: grid; grid-template-columns: .85fr 1fr; gap: 80px; align-items: start; }
.uk-chapters-sidebar { position: sticky; top: 96px; padding: 24px 0; }
.uk-chapters-sidebar h2 { font-size: clamp(28px, 3vw, 44px); line-height: 1.15; margin: 0 0 40px; letter-spacing: -.04em; }
.uk-chapters-nav { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.uk-chapters-nav button { padding: 12px 20px; border: 1px solid #6e63811c; border-radius: 12px; background: #ffffff38; color: var(--ink); opacity: .55; font: 18px/1.4 Arial, sans-serif; cursor: pointer; text-align: left; }
.uk-chapters-nav button[aria-current="step"] { background: #ffffffa6; border-color: #ffffff; opacity: 1; box-shadow: 0 4px 24px #30243e08; }
.uk-chapters-nav button:focus-visible { outline: 3px solid var(--purple); outline-offset: 4px; }
.uk-chapter-stream { display: flex; flex-direction: column; gap: 48px; padding-bottom: 8svh; }
.uk-chapter-card { min-height: 72svh; padding: 40px; border: 1px solid #ffffffa6; border-radius: 24px; background: #ffffff59; box-shadow: 0 8px 32px #30243e08; scroll-margin-top: 96px; }
.uk-chapter-number { display: block; font-size: 14px; letter-spacing: .08em; opacity: .5; }
.uk-chapter-placeholder { height: 240px; margin-top: 48px; border: 1px dashed #6e63812e; border-radius: 16px; background: linear-gradient(135deg,#ece5fa55,#ebf2d566); }
[data-theme="dark"] .uk-chapters { background: radial-gradient(ellipse at 12% 35%,#49364f70,transparent 65%),#202321; }
[data-theme="dark"] .uk-chapters-nav button { background: #ffffff08; border-color: #ffffff15; }
[data-theme="dark"] .uk-chapters-nav button[aria-current="step"] { background: #ece5fa24; border-color: #ece5fa44; }
[data-theme="dark"] .uk-chapter-card { background: #19191f55; border-color: #ffffff20; }
[data-theme="dark"] .uk-chapter-placeholder { background: linear-gradient(135deg,#ece5fa0d,#ebf2d50d); border-color: #ffffff20; }
@media(max-width:800px) {
  .uk-chapters { padding: 64px 24px; }
  .uk-chapters-inner { grid-template-columns: 1fr; gap: 32px; }
  .uk-chapters-sidebar { top: 12px; z-index: 5; padding: 16px; border-radius: 16px; background: var(--paper); }
  .uk-chapters-sidebar h2 { font-size: 24px; margin-bottom: 16px; }
  .uk-chapters-nav { flex-direction: row; gap: 8px; }
  .uk-chapters-nav button { padding: 8px 12px; font-size: 14px; }
  .uk-chapter-card { padding: 24px; scroll-margin-top: 176px; min-height: 64svh; }
}

/* Real section edges overlap, revealing the neighboring surfaces on scroll. */
.uk-chapters {
  z-index: 5;
  margin-top: -48px;
  border-radius: 48px 48px 0 0;
  padding-top: 144px;
  padding-bottom: 144px;
}
.uk-original-content {
  position: relative;
  z-index: 6;
  margin-top: -48px;
  padding-top: 48px;
  border-radius: 48px 48px 0 0;
  background: var(--paper);
}
@media(max-width:800px) {
  .uk-chapters { margin-top: -32px; border-radius: 32px 32px 0 0; padding-top: 96px; padding-bottom: 96px; }
  .uk-original-content { margin-top: -32px; padding-top: 32px; border-radius: 32px 32px 0 0; }
}

.uk-chapter-placeholder.uk-chapter-text {
  height: auto;
  min-height: 240px;
  padding: 32px;
}
.uk-chapter-text p { margin: 0; font-size: 18px; line-height: 1.55; }
.uk-chapter-text p + p { margin-top: 24px; }
@media(max-width:800px) {
  .uk-chapter-placeholder.uk-chapter-text { padding: 24px; }
  .uk-chapters-nav { flex-wrap: wrap; }
}

.uk-chapter-text h2 {
  margin: 0 0 24px;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -.025em;
  font-weight: 600;
}
.uk-chapter-text ul {
  margin: 24px 0 0;
  padding-left: 24px;
  font-size: 18px;
  line-height: 1.55;
}
.uk-chapter-text li + li { margin-top: 12px; }

.uk-chapters-sidebar > .uk-chapters-map {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-top: 64px;
  padding: 16px;
  border: 1px solid #ffffffb3;
  border-radius: 20px;
  background: #ffffff80;
  color: var(--ink);
  box-shadow: 0 4px 24px #30243e08;
  cursor: pointer;
}
.uk-chapters-map svg { width: 32px; height: 32px; }
.uk-chapters-map:hover { background: #ffffffb3; }
.uk-chapters-map:focus-visible { outline: 3px solid var(--purple); outline-offset: 4px; }
[data-theme="dark"] .uk-chapters-sidebar > .uk-chapters-map { background: #ffffff12; border-color: #ffffff26; }
@media(max-width:800px) {
  .uk-chapters-sidebar > .uk-chapters-map { width: 48px; height: 48px; padding: 12px; margin-top: 24px; }
  .uk-chapters-map svg { width: 24px; height: 24px; }
}

/* Only the insight-map popup gets white glass in the light theme. */
:root:not([data-theme="dark"]) .practice-dialog.insight-map-glass {
  background: rgba(245, 243, 248, .32);
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, .92);
  backdrop-filter: blur(32px) saturate(110%);
  -webkit-backdrop-filter: blur(32px) saturate(110%);
  box-shadow: inset 0 1px 0 #ffffffcc, 0 16px 48px #30243e12;
}

/* Lavender-white surface matching the supplied light reference. */
:root:not([data-theme="dark"]) .practice-dialog.insight-map-glass {
  background: rgba(255, 255, 255, .94);
  border-color: rgba(255, 255, 255, .95);
}

.uk-chapter-point-buttons { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.uk-chapter-point {
  padding: 16px 20px;
  border: 1px solid #ffffffcc;
  border-radius: 16px;
  background: #ffffff99;
  color: var(--ink);
  font: 18px/1.5 Arial, sans-serif;
  text-align: left;
}
.uk-chapter-point:focus-visible { outline: 3px solid var(--purple); outline-offset: 4px; }
[data-theme="dark"] .uk-chapter-point { background: #ffffff0d; border-color: #ffffff26; }

/* Pill-shaped buttons and a circular model control. */
.uk-chapters-nav button,
.uk-chapter-point {
  border-radius: 999px;
}
.uk-chapters-sidebar > .uk-chapters-map {
  border-radius: 50%;
  aspect-ratio: 1;
}

.uk-chapter-point {
  padding-top: 8px;
  padding-bottom: 8px;
}

.uk-chapter-point {
  font-size: 16px;
}

.uk-chapter-text h2 {
  font-size: 28px;
}
.uk-chapter-text p,
.uk-chapter-point {
  font-size: 16px;
}

/* Local tabs replace the PROJECT label, keeping one stable text box. */
.uk-project-tabs { display:flex; flex-wrap:wrap; gap:8px; }
.uk-project-tabs button {
  padding:8px 12px;
  border:1px solid #6e63811c;
  border-radius:999px;
  background:#ffffff38;
  color:var(--ink);
  opacity:.6;
  font:14px/1.4 Arial,sans-serif;
  cursor:pointer;
}
.uk-project-tabs button[aria-selected="true"] { opacity:1; background:#ffffffa6; border-color:#ffffff; }
.uk-project-tabs button:focus-visible { outline:3px solid var(--purple); outline-offset:4px; }
.uk-project-panels { display:grid; }
.uk-project-panel { grid-area:1 / 1; min-width:0; }
.uk-project-panel[hidden] { display:block; visibility:hidden; pointer-events:none; }
[data-theme="dark"] .uk-project-tabs button { background:#ffffff08; border-color:#ffffff15; }
[data-theme="dark"] .uk-project-tabs button[aria-selected="true"] { background:#ece5fa24; border-color:#ece5fa44; }

.uk-design-principles > h2 { color: var(--purple); }
.uk-chapter-text .uk-principles-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  font-size: 16px;
  line-height: 1.55;
}
.uk-principles-list li + li { margin-top: 16px; }
.uk-chapter-text > .uk-principles-conclusion {
  margin-top: 40px;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -.025em;
}
.uk-principles-conclusion strong { font-weight: 700; }

.uk-insight-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.uk-insight-header > .uk-project-tabs { flex: 1; }
.uk-insight-header > .uk-insight-map {
  display: grid;
  place-items: center;
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--navigation-glass-border);
  border-radius: 50%;
  background: var(--navigation-glass);
  color: var(--ink);
  box-shadow: var(--navigation-glass-shadow);
  cursor: pointer;
}
.uk-insight-map svg { width: 24px; height: 24px; }
.uk-insight-map:focus-visible { outline: 3px solid var(--purple); outline-offset: 4px; }

.uk-methods-gallery { margin-top: 40px; display: grid; gap: 24px; }
.uk-methods-gallery h2 { margin: 0; font-size: 28px; line-height: 1.2; letter-spacing: -.025em; }
.uk-methods-gallery img { display: block; width: 100%; height: auto; border-radius: 16px; }

.uk-inline-participation { margin:32px 0 0; padding:16px; border-radius:16px; background:var(--navigation-glass); }
.uk-inline-participation svg { display:block; width:100%; height:auto; }

/* Plain text labels for methods and process. */
.uk-method-grid { display: flex; flex-direction: column; gap: 12px; }
.uk-method-label {
  padding: 16px 20px;
  border: 1px solid var(--navigation-glass-border);
  border-radius: 16px;
  background: var(--navigation-glass);
  color: var(--ink);
}
.uk-method-label h3 { margin: 0; font-size: 16px; line-height: 1.4; font-weight: 600; letter-spacing: normal; }
.uk-method-label p { margin: 4px 0 0; font-size: 14px; line-height: 1.5; opacity: .7; }

/* Two compact method categories, with optional descriptions. */
.uk-method-panels .uk-method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}
.uk-method-label { min-width: 0; padding: 12px 16px; }
.uk-method-label summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  list-style: none;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 600;
  cursor: pointer;
}
.uk-method-label summary::-webkit-details-marker { display: none; }
.uk-method-label summary::after { content: '+'; flex-shrink: 0; font-size: 18px; font-weight: 400; }
.uk-method-label[open] summary::after { content: '−'; }
.uk-method-label p { margin-top: 8px; }
.uk-method-label summary:focus-visible { outline: 2px solid var(--purple); outline-offset: 4px; }
@media(max-width:480px) {
  .uk-method-panels .uk-method-grid { grid-template-columns: 1fr; }
}

.uk-inline-participation {
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
}

.uk-participation-emphasis { font-weight: 600; }

.uk-project-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.uk-project-meta span {
  padding: 8px 16px;
  border: 1px solid var(--navigation-glass-border);
  border-radius: 999px;
  background: var(--navigation-glass);
  font-size: 14px;
  line-height: 1.4;
}

.uk-project-meta > .uk-project-figma {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.uk-project-figma-icon {
  width: 12px;
  height: 18px;
  fill: #000;
  flex-shrink: 0;
}

/* Duplicate the original comparison beneath Project focus. */
.uk-comparison-section {
  position: relative;
  z-index: 6;
  margin-top: -48px;
  padding: 96px 48px 144px;
  border-radius: 48px 48px 0 0;
  background: var(--paper);
}
.uk-comparison-inner { max-width: 1184px; margin: auto; }
.case-page .uk-comparison-inner > .uk-comparison-copy {
  background: var(--case-surface);
  color: var(--ink);
}
@media(max-width:800px) {
  .uk-comparison-section { margin-top:-32px; padding:64px 24px 96px; border-radius:32px 32px 0 0; }
}

/* Distinct surfaces make the before/after comparison easier to scan. */
.uk-comparison-section {
  background: #e9e4f0;
}
.case-page .uk-comparison-inner > .uk-comparison-copy {
  background: #f9f7fc;
  border-color: #d6cde1;
}
.uk-comparison-copy .comparison-before,
.uk-comparison-copy .comparison-after {
  border: 1px solid #cfc6da;
  border-radius: 24px;
  overflow: hidden;
}
.uk-comparison-copy .comparison-before { background: #e9e5ef; }
.uk-comparison-copy .comparison-after { background: #edf2e2; border-color: #cbd6ba; }
.uk-comparison-copy .comparison-grid figcaption {
  color: #403847;
  font-weight: 600;
}
.uk-comparison-copy .comparison-placeholder {
  background: #f5f2f8;
  border: 1px dashed #b8aac8;
  color: #6e6381;
}
[data-theme="dark"] .uk-comparison-section { background: var(--design-bg); }
[data-theme="dark"] .uk-comparison-inner > .uk-comparison-copy { background: var(--design-surface); border-color: var(--design-border); }
[data-theme="dark"] .uk-comparison-copy .comparison-before { background: #332e3d; border-color: #51475e; }
[data-theme="dark"] .uk-comparison-copy .comparison-after { background: #2d352c; border-color: #4e6048; }
[data-theme="dark"] .uk-comparison-copy .comparison-grid figcaption { color: var(--design-text-light); }
[data-theme="dark"] .uk-comparison-copy .comparison-placeholder { background: #25212d; border-color: #665773; color: var(--design-muted); }

.uk-design-principles > h2 { color: var(--ink); }
.uk-chapter-text .uk-principles-list { display: grid; gap: 12px; }
.uk-principles-list li {
  padding: 12px 16px;
  border: 1px solid var(--navigation-glass-border);
  border-radius: 16px;
  background: var(--navigation-glass);
}
.uk-principles-list li + li { margin-top: 0; }

/* Match Project focus's restrained lavender/green surface hierarchy. */
.uk-comparison-section {
  background: radial-gradient(ellipse at 12% 35%, #e6def0, transparent 65%), #f1f2ed;
}
.uk-comparison-title {
  margin: 0 0 40px;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.15;
  letter-spacing: -.04em;
  font-weight: 700;
  color: var(--ink);
}
.case-page .uk-comparison-inner > .uk-comparison-copy {
  display: block;
  background: #ffffff59;
  border-color: #ffffffa6;
}
.uk-comparison-copy .comparison-before,
.uk-comparison-copy .comparison-after {
  background: linear-gradient(135deg, #ece5fa55, #ebf2d566);
  border-color: #ffffffb3;
}
.uk-comparison-copy .comparison-placeholder {
  background: #ffffff40;
  border-color: #6e63812e;
}
[data-theme="dark"] .uk-comparison-section {
  background: radial-gradient(ellipse at 12% 35%,#49364f70,transparent 65%),#202321;
}
[data-theme="dark"] .uk-comparison-inner > .uk-comparison-copy { background:#19191f55; border-color:#ffffff20; }
[data-theme="dark"] .uk-comparison-copy .comparison-before,
[data-theme="dark"] .uk-comparison-copy .comparison-after { background:linear-gradient(135deg,#ece5fa0d,#ebf2d50d); border-color:#ffffff20; }
[data-theme="dark"] .uk-comparison-copy .comparison-placeholder { background:#ffffff04; border-color:#ffffff20; }
@media(max-width:800px) { .uk-comparison-title { font-size:24px; margin-bottom:32px; } }

/* A shared spring-driven pill follows the selected tab. */
.uk-project-tabs.uk-elastic-tabs { position:relative; isolation:isolate; }
.uk-tab-highlight {
  position:absolute; top:0; left:0; pointer-events:none; z-index:-1;
  box-sizing:border-box; border:1px solid #fff; border-radius:999px;
  background:#ffffffa6; will-change:transform,width;
}
.uk-project-tabs.uk-elastic-tabs button { position:relative; transition:color .2s, opacity .2s; }
.uk-project-tabs.uk-elastic-tabs button[aria-selected="true"] { background:transparent; border-color:transparent; }
[data-theme="dark"] .uk-tab-highlight { background:#ece5fa24; border-color:#ece5fa44; }
[data-theme="dark"] .uk-project-tabs.uk-elastic-tabs button[aria-selected="true"] { background:transparent; border-color:transparent; }

/* Keep each tab outlined while the shared highlight travels underneath. */
.uk-project-tabs.uk-elastic-tabs button,
.uk-project-tabs.uk-elastic-tabs button[aria-selected="true"] {
  border-color: #6e63811c;
}
[data-theme="dark"] .uk-project-tabs.uk-elastic-tabs button,
[data-theme="dark"] .uk-project-tabs.uk-elastic-tabs button[aria-selected="true"] {
  border-color: #ffffff26;
}

/* One shared outline around the tab group. */
.uk-project-tabs.uk-elastic-tabs {
  width: fit-content;
  max-width: 100%;
  box-sizing: border-box;
  padding: 4px;
  border: 1px solid #6e63811c;
  border-radius: 999px;
}
.uk-insight-header > .uk-project-tabs.uk-elastic-tabs { flex: 0 1 auto; }
.uk-project-tabs.uk-elastic-tabs button,
.uk-project-tabs.uk-elastic-tabs button[aria-selected="true"],
[data-theme="dark"] .uk-project-tabs.uk-elastic-tabs button,
[data-theme="dark"] .uk-project-tabs.uk-elastic-tabs button[aria-selected="true"] {
  border-color: transparent;
  background: transparent;
}
[data-theme="dark"] .uk-project-tabs.uk-elastic-tabs { border-color: #ffffff26; }

.uk-project-tabs.uk-elastic-tabs { padding: 0; }

/* Subtle white surface under the shared tab outline. */
.uk-project-tabs.uk-elastic-tabs { background:rgba(255,255,255,.24); }
[data-theme="dark"] .uk-project-tabs.uk-elastic-tabs { background:rgba(255,255,255,.06); }

.uk-participation-heading { display:flex; align-items:flex-start; justify-content:space-between; gap:24px; }
.uk-participation-heading > h2 { flex:1; }
.uk-participation-model-button { flex-shrink:0; }
.uk-project-panel .uk-read-more {
  display:inline-flex; margin-top:24px; padding:8px 16px;
  border:1px solid var(--navigation-glass-border); border-radius:999px;
  background:var(--navigation-glass); color:var(--ink);
  font:14px/1.4 Arial,sans-serif; text-decoration:none;
}
.uk-project-panel .uk-read-more:hover { background:var(--navigation-glass-hover); }
.uk-read-more:focus-visible { outline:3px solid var(--purple); outline-offset:4px; }

/* No reserved label space above the design principles. */
#uk-chapter-3 > .uk-design-principles { margin-top:0; }

.uk-principles-open {
  margin-top:24px; padding:8px 16px; border:1px solid var(--navigation-glass-border);
  border-radius:999px; background:var(--navigation-glass); color:var(--ink);
  font:14px/1.4 Arial,sans-serif; cursor:pointer;
}
.uk-principles-open:hover { background:var(--navigation-glass-hover); }
.uk-principles-open:focus-visible { outline:3px solid var(--purple); outline-offset:4px; }
#uk-chapter-3 { min-height:0; }
.uk-principles-popup .uk-principles-list { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; }
@media(max-width:600px) { .uk-principles-popup .uk-principles-list { grid-template-columns:1fr; } }

.uk-chapter-text p.uk-participation-conclusion { margin-top:32px; }

/* Six compact principles in two columns and three rows. */
#uk-chapter-3 .uk-principles-list {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  padding:0;
  list-style:none;
}
#uk-chapter-3 .uk-principles-list li {
  margin:0;
  padding:16px;
  border-radius:16px;
  font-size:16px;
  line-height:1.5;
}
@media(max-width:600px) {
  #uk-chapter-3 .uk-principles-list { grid-template-columns:1fr; }
}

#uk-chapter-3 .uk-principles-list { grid-auto-rows:minmax(144px,auto); }
#uk-chapter-3 .uk-principles-list li[hidden] { display:none; }
.uk-principles-progress { display:flex; align-items:center; justify-content:center; gap:8px; margin-top:24px; }
.uk-principles-progress button {
  width:40px; height:8px; padding:0; border:0; border-radius:999px;
  background:#6e638126; cursor:pointer; position:relative;
}
.uk-principles-progress button::before { content:""; position:absolute; inset:-8px 0; }
.uk-principles-progress button[aria-current="page"] { background:var(--ink); }
.uk-principles-progress button:focus-visible { outline:2px solid var(--purple); outline-offset:5px; }
.uk-principles-page-status { margin-left:8px; font:12px/1.4 Arial,sans-serif; opacity:.6; }

.uk-comparison-inner > .uk-comparison-title { text-align:center; margin-left:auto; margin-right:auto; }

/* Matched horizontal mockup rails with shared pagination. */
.uk-comparison-copy .comparison-grid { min-width:0; }
.uk-comparison-copy .comparison-grid > figure { min-width:0; padding:24px 0; margin:0; }
.uk-comparison-copy .comparison-grid figcaption { padding:0 16px; margin-bottom:24px; text-align:center; }
.uk-comparison-rail {
  display:flex; overflow-x:auto; scroll-snap-type:x mandatory;
  scrollbar-width:none; overscroll-behavior-x:contain;
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.uk-comparison-rail::-webkit-scrollbar { display:none; }
.uk-comparison-slide { flex:0 0 100%; min-width:0; display:flex; flex-direction:column; align-items:center; gap:12px; scroll-snap-align:center; padding:0 16px; box-sizing:border-box; }
.uk-comparison-phone { width:min(68%,240px); aspect-ratio:1 / 2; border:1px dashed #6e638155; border-radius:32px; background:#ffffff20; }
.uk-comparison-screen-label { font:14px/1.4 Arial,sans-serif; color:var(--ink); }
.uk-comparison-dots { display:flex; justify-content:center; align-items:center; gap:12px; margin-top:24px; }
.uk-comparison-dots button { position:relative; width:8px; height:8px; border:0; padding:0; border-radius:50%; background:#6e638133; cursor:pointer; }
.uk-comparison-dots button::before { content:""; position:absolute; inset:-8px; }
.uk-comparison-dots button[aria-current] { background:var(--ink); }
.uk-comparison-dots button:focus-visible,.uk-comparison-rail:focus-visible { outline:2px solid var(--purple); outline-offset:4px; }
[data-theme="dark"] .uk-comparison-phone { border-color:#ffffff30; }

/* Neighboring mockups sit smaller and translucent behind the active one. */
.uk-comparison-rail { isolation:isolate; }
.uk-comparison-slide { position:relative; transform-origin:center center; will-change:transform,opacity; }
.uk-comparison-phone { width:min(52%,240px); flex-shrink:0; }
.uk-comparison-slide .uk-comparison-phone { background:#f4f1f8; }
[data-theme="dark"] .uk-comparison-slide .uk-comparison-phone { background:var(--design-surface); }
@media(prefers-reduced-motion:reduce) { .uk-comparison-slide { will-change:auto; } }

.uk-comparison-copy .uk-comparison-phone-image { overflow-y:auto; overflow-x:hidden; border-style:solid; border-color:#6e638126; scrollbar-width:none; }
.uk-comparison-phone-image::-webkit-scrollbar { display:none; }
.uk-comparison-copy .uk-comparison-phone-image > img { display:block; width:100%; max-width:none; height:auto; max-height:none; border:0; border-radius:0; object-fit:initial; margin:0; }

/* Match the original screenshot proportions without oversized corner clipping. */
.uk-comparison-copy .uk-comparison-rail { width:100%; min-width:0; flex:none; padding:8px 0; }
.uk-comparison-copy .uk-comparison-phone {
  box-sizing:border-box;
  width:min(56%,240px);
  aspect-ratio:1179 / 2556;
  border-radius:8px;
}
.uk-comparison-copy .uk-comparison-phone-image {
  border:0;
  background:transparent;
  box-shadow:0 4px 16px #30243e0a;
  overflow-y:auto;
  overscroll-behavior-y:contain;
}
.uk-comparison-copy .uk-comparison-phone-image > img {
  width:100%; height:auto; min-height:0; flex:none;
  object-fit:contain; object-position:top center;
  border-radius:0; clip-path:none;
}

/* Reuse the opening's metallic phone shell, buttons and camera island. */
.uk-comparison-copy .uk-comparison-phone-image.showcase-device {
  --device-angle:0deg; width:min(56%,240px); max-width:240px; flex:none;
  aspect-ratio:1179 / 2556; padding:4px; border:1.5px solid #b7b8b3;
  border-radius:32px; background:#080909; overflow:visible;
  box-shadow:inset 0 0 0 1px #ffffff35,0 12px 24px #0003;
  transform:none; animation:none;
}
.uk-comparison-phone-image > .showcase-device-screen { width:100%; height:100%; border-radius:26px; overflow:hidden; background:#f6f6f1; }
.uk-comparison-screen-scroll { width:100%; height:100%; overflow-y:auto; overflow-x:hidden; scrollbar-width:none; overscroll-behavior-y:contain; }
.uk-comparison-screen-scroll::-webkit-scrollbar { display:none; }
.uk-comparison-copy .uk-comparison-screen-scroll img { display:block; width:100%; max-width:none; height:auto; max-height:none; border:0; border-radius:0; object-fit:contain; margin:0; }
.uk-comparison-phone-image .showcase-island { pointer-events:none; z-index:2; }

.uk-comparison-screen-scroll,
.uk-comparison-copy .uk-comparison-phone-image {
  overflow:hidden;
  overscroll-behavior:auto;
  touch-action:pan-y;
}
.uk-comparison-rail { overscroll-behavior-y:auto; }

/* Chapter content changes only through explicit navigation. */
.uk-chapter-card[hidden] { display:none; }
.uk-chapter-stream { padding-bottom:0; }
.uk-chapters-sidebar { position:relative; top:auto; }

/* Vertical, button-controlled card transitions. */
.uk-chapter-stream { position:relative; display:block; overflow:hidden; overflow:clip; }
.uk-chapter-stream > .uk-chapter-card { width:100%; box-sizing:border-box; }
.uk-chapter-stream > .uk-chapter-outgoing { position:absolute; top:0; left:0; pointer-events:none; }

/* Original vertical card stream, positioned exclusively by the left menu. */
.uk-chapter-stream {
  display:flex;
  flex-direction:column;
  gap:48px;
  position:relative;
  overflow:hidden;
  padding-bottom:0;
  scroll-behavior:auto;
  overflow-anchor:none;
  mask-image:linear-gradient(to bottom,transparent,#000 32px,#000 calc(100% - 32px),transparent);
  -webkit-mask-image:linear-gradient(to bottom,transparent,#000 32px,#000 calc(100% - 32px),transparent);
}
.uk-chapter-stream > .uk-chapter-card { flex:0 0 auto; position:relative; }
@media(prefers-reduced-motion:reduce) { .uk-chapter-stream { mask-image:none; -webkit-mask-image:none; } }