diff --git a/client/native-shell/fonts/comfortaa-cyrillic-700.woff2 b/client/native-shell/fonts/comfortaa-cyrillic-700.woff2
new file mode 100644
index 000000000..41d58aa34
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diff --git a/client/native-shell/fonts/montserrat-cyrillic-500.woff2 b/client/native-shell/fonts/montserrat-cyrillic-500.woff2
new file mode 100644
index 000000000..e92b9344d
Binary files /dev/null and b/client/native-shell/fonts/montserrat-cyrillic-500.woff2 differ
diff --git a/client/native-shell/fonts/montserrat-cyrillic-600.woff2 b/client/native-shell/fonts/montserrat-cyrillic-600.woff2
new file mode 100644
index 000000000..a2ec8920e
Binary files /dev/null and b/client/native-shell/fonts/montserrat-cyrillic-600.woff2 differ
diff --git a/client/native-shell/fonts/montserrat-cyrillic-700.woff2 b/client/native-shell/fonts/montserrat-cyrillic-700.woff2
new file mode 100644
index 000000000..3138c7769
Binary files /dev/null and b/client/native-shell/fonts/montserrat-cyrillic-700.woff2 differ
diff --git a/client/native-shell/i18n.ts b/client/native-shell/i18n.ts
index 43e9df949..c22cc594d 100644
--- a/client/native-shell/i18n.ts
+++ b/client/native-shell/i18n.ts
@@ -1,4 +1,4 @@
-import { SUPPORTED_LANGUAGE_CODES } from '@trek/shared/i18n'
+import { SUPPORTED_LANGUAGE_CODES, isRtlLanguage } from '@trek/shared/i18n'
 import type { TranslationStrings } from '@trek/shared/i18n'
 
 // Only the native strings of every locale, not the whole UI: this page ships
@@ -32,3 +32,8 @@ export function translator(code: string) {
       : key
   }
 }
+
+/** Arabic and Hebrew run right to left. */
+export function directionOf(code: string): 'rtl' | 'ltr' {
+  return isRtlLanguage(code) ? 'rtl' : 'ltr'
+}
diff --git a/client/native-shell/main.ts b/client/native-shell/main.ts
index b26c6bd74..6c7f978c2 100644
--- a/client/native-shell/main.ts
+++ b/client/native-shell/main.ts
@@ -9,7 +9,7 @@ import { fakeIapClient, getIapClient, productIdFor, type Purchase } from '../src
 import { CLOUD_TERMS_URL, CLOUD_URL, PRIVACY_URL, SERVER_DOCS_URL, STORE_TERMS_URL } from '../src/native/links';
 import { probeDemo, probeServer, type ProbeFailure, type ProbeGet } from '../src/native/serverAddress';
 import { TrekShell } from '../src/native/trekShell';
-import { pickLocale, translator } from './i18n';
+import { directionOf, pickLocale, translator } from './i18n';
 import './shell.css';
 
 /**
@@ -24,7 +24,7 @@ const locale = pickLocale(navigator.languages?.length ? navigator.languages : [n
 const onPlay = Capacitor.getPlatform() === 'android';
 const t = translator(locale);
 document.documentElement.lang = locale;
-document.documentElement.dir = locale === 'ar' ? 'rtl' : 'ltr';
+document.documentElement.dir = directionOf(locale);
 
 const root = document.getElementById('shell')!;
 const PROBE_TIMEOUT_MS = 8000;
@@ -128,6 +128,11 @@ function show(screen: HTMLElement, opts: { back?: boolean } = {}): void {
   if (opts.back) screen.classList.add('screen-back');
   const previous = current;
   if (previous) {
+    // The leaving screen is lifted out of the flow where it stands, so it fades
+    // from its own place rather than jumping to the top of a centred layout.
+    previous.style.top = `${previous.offsetTop}px`;
+    previous.style.left = `${previous.offsetLeft}px`;
+    previous.style.width = `${previous.offsetWidth}px`;
     previous.classList.remove('screen-enter');
     previous.classList.add('screen-leave');
     if (opts.back) previous.classList.add('screen-back');
@@ -144,6 +149,15 @@ function externalLink(text: string, href: string): HTMLAnchorElement {
 function footLinks(...extra: Node[]): HTMLElement {
   return el('div', { className: 'foot-links' }, ...extra, externalLink(t('native.privacy'), PRIVACY_URL));
 }
+/**
+ * A screen's two halves: what it is (brand, title, explanation) and what to do
+ * on it (the choices, the form). Stacked in one column they read as before; on
+ * a phone or a foldable on its side the screen is too short for one column, so
+ * the halves stand side by side there (shell.css, `.col`).
+ */
+function columns(about: Node[], act: Node[]): HTMLElement[] {
+  return [el('div', { className: 'col col-about' }, ...about), el('div', { className: 'col col-act' }, ...act)];
+}
 function topbar(onBack: () => void): HTMLElement {
   const back = el('button', { type: 'button', className: 'back' }, icon('M15 18l-6-6 6-6', 18), t('native.back'));
   back.addEventListener('click', () => {
@@ -202,13 +216,14 @@ function showWelcome(opts: { back?: boolean } = {}): void {
     el(
       'div',
       {},
-      hero,
-      el('h1', { className: 'title brand-title' }, t('native.welcome.headline')),
-      el('p', { className: 'sub' }, t('native.welcome.sub')),
-      cloud,
-      connect,
-      demo,
-      footLinks(externalLink(t('native.connect.whatIsServer'), SERVER_DOCS_URL))
+      ...columns(
+        [
+          hero,
+          el('h1', { className: 'title brand-title' }, t('native.welcome.headline')),
+          el('p', { className: 'sub' }, t('native.welcome.sub')),
+        ],
+        [cloud, connect, demo, footLinks(externalLink(t('native.connect.whatIsServer'), SERVER_DOCS_URL))]
+      )
     ),
     opts
   );
@@ -225,6 +240,8 @@ function showConnect(prefill = '', opts: { back?: boolean } = {}): void {
   });
   input.setAttribute('inputmode', 'url');
   input.setAttribute('autocomplete', 'url');
+  // An address reads left to right in every language, Arabic too.
+  input.dir = 'ltr';
   // The on-screen keyboard's return key submits the address; it reads "Go", not a newline.
   input.setAttribute('enterkeyhint', 'go');
   input.setAttribute('aria-label', t('native.connect.title'));
@@ -266,11 +283,14 @@ function showConnect(prefill = '', opts: { back?: boolean } = {}): void {
     el(
       'div',
       {},
-      topbar(() => showWelcome({ back: true })),
-      el('h1', { className: 'title-sm' }, t('native.connect.title')),
-      el('p', { className: 'sub' }, t('native.connect.hint')),
-      form,
-      footLinks(externalLink(t('native.connect.whatIsServer'), SERVER_DOCS_URL))
+      ...columns(
+        [
+          topbar(() => showWelcome({ back: true })),
+          el('h1', { className: 'title-sm' }, t('native.connect.title')),
+          el('p', { className: 'sub' }, t('native.connect.hint')),
+        ],
+        [form, footLinks(externalLink(t('native.connect.whatIsServer'), SERVER_DOCS_URL))]
+      )
     ),
     opts
   );
@@ -288,7 +308,13 @@ function feature(path: string, text: string): HTMLElement {
 }
 
 function showCloud(opts: { back?: boolean } = {}): void {
-  const cta = el('button', { type: 'button', className: 'btn' }, t('native.cloud.cta'), icon(I.chevron, 20, 'chev'));
+  // The label centred, the chevron at the far edge: it points on, not at the word.
+  const cta = el(
+    'button',
+    { type: 'button', className: 'btn btn-go' },
+    el('span', { className: 'btn-label' }, t('native.cloud.cta')),
+    icon(I.chevron, 20, 'chev')
+  );
   cta.addEventListener('click', () => {
     void tap();
     showPlans();
@@ -304,25 +330,32 @@ function showCloud(opts: { back?: boolean } = {}): void {
     el(
       'div',
       {},
-      topbar(() => showWelcome({ back: true })),
-      el(
-        'div',
-        { className: 'cloud-wordmark', role: 'img', ariaLabel: t('native.cloud.title') },
-        el('img', { src: logoWhite, alt: '', className: 'on-dark' }),
-        el('img', { src: logoBlack, alt: '', className: 'on-light' }),
-        el('span', { className: 'cloud-tag' }, 'cloud')
-      ),
-      el('p', { className: 'sub' }, t('native.cloud.sub')),
-      el(
-        'div',
-        { className: 'features' },
-        feature(I.globe, t('native.cloud.f1')),
-        feature(I.bolt, t('native.cloud.f2')),
-        feature(I.shield, t('native.cloud.f3'))
-      ),
-      cta,
-      have,
-      footLinks()
+      ...columns(
+        [
+          topbar(() => showWelcome({ back: true })),
+          // The lockup is a logo: "trek" then "cloud" in every language, never mirrored.
+          el(
+            'div',
+            { className: 'cloud-wordmark', role: 'img', ariaLabel: t('native.cloud.title'), dir: 'ltr' },
+            el('img', { src: logoWhite, alt: '', className: 'on-dark' }),
+            el('img', { src: logoBlack, alt: '', className: 'on-light' }),
+            el('span', { className: 'cloud-tag' }, 'cloud')
+          ),
+          el('p', { className: 'sub' }, t('native.cloud.sub')),
+        ],
+        [
+          el(
+            'div',
+            { className: 'features' },
+            feature(I.globe, t('native.cloud.f1')),
+            feature(I.bolt, t('native.cloud.f2')),
+            feature(I.shield, t('native.cloud.f3'))
+          ),
+          cta,
+          have,
+          footLinks(),
+        ]
+      )
     ),
     opts
   );
@@ -427,7 +460,9 @@ function planCard(plan: CloudPlan, interval: 'month' | 'year', offer: Offer): HT
       { className: 'plan-top' },
       el('span', { className: 'plan-name' }, plan.name),
       // No price yet (orders not open): the plan shows without one rather than with an empty one.
-      ...(label ? [el('span', { className: 'plan-price' }, label, el('small', {}, per))] : [])
+      // The price is figures and a currency sign: one left-to-right run, so Arabic
+      // keeps "5,99 €" whole, with the period standing apart beside it.
+      ...(label ? [el('span', { className: 'plan-price' }, el('bdi', { dir: 'ltr' }, label), el('small', {}, per))] : [])
     ),
     el(
       'div',
@@ -578,12 +613,15 @@ function showPlans(opts: { back?: boolean } = {}): void {
     el(
       'div',
       {},
-      topbar(() => showCloud({ back: true })),
-      el('h1', { className: 'title-sm' }, t('native.plans.title')),
-      el('p', { className: 'sub' }, t('native.plans.sub')),
-      seg,
-      content,
-      footer
+      ...columns(
+        [
+          topbar(() => showCloud({ back: true })),
+          el('h1', { className: 'title-sm' }, t('native.plans.title')),
+          el('p', { className: 'sub' }, t('native.plans.sub')),
+          seg,
+        ],
+        [content, footer]
+      )
     ),
     opts
   );
@@ -661,9 +699,10 @@ function showClaim(
   slugInput.setAttribute('autocomplete', 'off');
   slugInput.setAttribute('maxlength', '40');
   slugInput.setAttribute('aria-label', t('native.claim.addressLabel'));
+  // "name.liketrek.com" is one address, left to right in every language.
   const slugField = el(
     'div',
-    { className: 'field slug-field' },
+    { className: 'field slug-field', dir: 'ltr' },
     slugInput,
     el('span', { className: 'slug-suffix' }, cloudSuffix())
   );
@@ -680,6 +719,8 @@ function showClaim(
   emailInput.setAttribute('autocomplete', 'email');
   emailInput.setAttribute('enterkeyhint', 'go');
   emailInput.setAttribute('aria-label', t('native.claim.emailLabel'));
+  emailInput.dir = 'ltr';
+  emailInput.classList.add('ltr-value');
   const emailField = el('div', { className: 'field' }, emailInput);
 
   const submit = el('button', { type: 'submit', className: 'btn' }, t('native.claim.subscribe', { price }));
@@ -805,10 +846,14 @@ function showClaim(
     el(
       'div',
       {},
-      topbar(() => showPlans({ back: true })),
-      el('h1', { className: 'title-sm' }, t('native.claim.title')),
-      el('p', { className: 'sub' }, t('native.claim.sub')),
-      form
+      ...columns(
+        [
+          topbar(() => showPlans({ back: true })),
+          el('h1', { className: 'title-sm' }, t('native.claim.title')),
+          el('p', { className: 'sub' }, t('native.claim.sub')),
+        ],
+        [form]
+      )
     ),
     opts
   );
@@ -933,12 +978,14 @@ function showUnreachable(server: string): void {
     el(
       'div',
       {},
-      el('img', { src: logoUrl, alt: '', className: 'shell-logo' }),
-      el('h1', { className: 'title-sm' }, t('native.offline.title')),
-      el('p', { className: 'sub' }, t('native.offline.hint', { server: new URL(server).host })),
-      retry,
-      change,
-      footLinks()
+      ...columns(
+        [
+          el('img', { src: logoUrl, alt: '', className: 'shell-logo' }),
+          el('h1', { className: 'title-sm' }, t('native.offline.title')),
+          el('p', { className: 'sub' }, t('native.offline.hint', { server: new URL(server).host })),
+        ],
+        [retry, change, footLinks()]
+      )
     )
   );
 }
diff --git a/client/native-shell/shell.css b/client/native-shell/shell.css
index 016c73e61..9778de8cd 100644
--- a/client/native-shell/shell.css
+++ b/client/native-shell/shell.css
@@ -38,6 +38,45 @@
   font-display: swap;
   src: url('./fonts/museomoderno-latin-600.woff2') format('woff2');
 }
+/*
+ * Poppins and MuseoModerno have no Cyrillic, so Russian and Ukrainian fell back
+ * to the system's plain sans. Each family gets a Cyrillic-only stand-in under its
+ * own name, picked for the same build: Montserrat for the geometric text face,
+ * Comfortaa for the rounded headline. The unicode-range keeps Latin on TREK's
+ * own faces and loads these only when a Cyrillic letter is on screen.
+ */
+@font-face {
+  font-family: 'Poppins';
+  font-style: normal;
+  font-weight: 500;
+  font-display: swap;
+  src: url('./fonts/montserrat-cyrillic-500.woff2') format('woff2');
+  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+@font-face {
+  font-family: 'Poppins';
+  font-style: normal;
+  font-weight: 600;
+  font-display: swap;
+  src: url('./fonts/montserrat-cyrillic-600.woff2') format('woff2');
+  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+@font-face {
+  font-family: 'Poppins';
+  font-style: normal;
+  font-weight: 700;
+  font-display: swap;
+  src: url('./fonts/montserrat-cyrillic-700.woff2') format('woff2');
+  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
+@font-face {
+  font-family: 'MuseoModerno';
+  font-style: normal;
+  font-weight: 600 700;
+  font-display: swap;
+  src: url('./fonts/comfortaa-cyrillic-700.woff2') format('woff2');
+  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
+}
 /* Italic, subset to the letters of "cloud" — the wordmark's badge, nothing else. */
 @font-face {
   font-family: 'MuseoModerno';
@@ -71,8 +110,13 @@
   --radius: 16px;
   --ease: cubic-bezier(0.22, 1, 0.36, 1);
   --ease-in: cubic-bezier(0.4, 0, 1, 1);
+  /* 1 left to right, -1 in Arabic: a screen that comes next slides in from the trailing side. */
+  --flow: 1;
   color-scheme: dark;
 }
+:root[dir='rtl'] {
+  --flow: -1;
+}
 
 @media (prefers-color-scheme: light) {
   :root {
@@ -167,6 +211,18 @@ body::after {
   pointer-events: none;
   z-index: 0;
 }
+/* In Arabic the photo holds the leading (right) side and the grid the other. */
+:root[dir='rtl'] body::after {
+  background-position:
+    0 0,
+    right 28%;
+  -webkit-mask-image: linear-gradient(270deg, #000 0%, #000 40%, transparent 80%);
+  mask-image: linear-gradient(270deg, #000 0%, #000 40%, transparent 80%);
+}
+:root[dir='rtl'] body::before {
+  -webkit-mask-image: radial-gradient(135% 95% at 0% 0%, #000 34%, transparent 80%);
+  mask-image: radial-gradient(135% 95% at 0% 0%, #000 34%, transparent 80%);
+}
 
 .shell {
   position: relative;
@@ -175,11 +231,12 @@ body::after {
   min-height: 100dvh;
   display: flex;
   flex-direction: column;
-  justify-content: center;
   max-width: 440px;
   margin: 0 auto;
   padding: calc(env(safe-area-inset-top) + 28px) 24px calc(env(safe-area-inset-bottom) + 24px);
-  overflow: hidden;
+  /* Clip only the sideways slide: a screen taller than the window scrolls the
+     page instead (and a sticky column needs an ancestor that does not scroll). */
+  overflow-x: clip;
 }
 
 /* ── Screen transitions ──────────────────────────────────────────────────── */
@@ -187,14 +244,22 @@ body::after {
   display: flex;
   flex-direction: column;
   gap: 14px;
+  /* Centred while it fits; taller than the window it starts at the top and the
+     page scrolls, rather than overflowing both edges as justify-content would. */
+  margin-block: auto;
+}
+/* A screen's two halves (main.ts, columns()): one column unless the layout asks. */
+.col {
+  display: contents;
 }
 .screen-enter {
   animation: screenIn 0.5s var(--ease) both;
 }
+/* Lifted out where it stood: main.ts sets its top, left and width. */
 .screen-leave {
   animation: screenOut 0.28s var(--ease-in) both;
   position: absolute;
-  inset: calc(env(safe-area-inset-top) + 28px) 24px calc(env(safe-area-inset-bottom) + 24px);
+  margin: 0;
 }
 .screen-back.screen-enter {
   animation-name: screenInBack;
@@ -205,7 +270,7 @@ body::after {
 @keyframes screenIn {
   from {
     opacity: 0;
-    transform: translateX(26px);
+    transform: translateX(calc(26px * var(--flow)));
   }
   to {
     opacity: 1;
@@ -215,13 +280,13 @@ body::after {
 @keyframes screenOut {
   to {
     opacity: 0;
-    transform: translateX(-22px);
+    transform: translateX(calc(-22px * var(--flow)));
   }
 }
 @keyframes screenInBack {
   from {
     opacity: 0;
-    transform: translateX(-26px);
+    transform: translateX(calc(-26px * var(--flow)));
   }
   to {
     opacity: 1;
@@ -231,14 +296,40 @@ body::after {
 @keyframes screenOutBack {
   to {
     opacity: 0;
-    transform: translateX(22px);
+    transform: translateX(calc(22px * var(--flow)));
   }
 }
 
-/* Children stagger in, so a screen assembles rather than snaps. */
-.screen-enter > * {
+/* Children stagger in, so a screen assembles rather than snaps. Inside the two
+   halves the explanation comes first and the choices follow. */
+.screen-enter > :not(.col),
+.screen-enter > .col > * {
   animation: riseIn 0.55s var(--ease) both;
 }
+.screen-enter > .col > :nth-child(1) {
+  animation-delay: 0.02s;
+}
+.screen-enter > .col > :nth-child(2) {
+  animation-delay: 0.07s;
+}
+.screen-enter > .col > :nth-child(3) {
+  animation-delay: 0.12s;
+}
+.screen-enter > .col > :nth-child(4) {
+  animation-delay: 0.17s;
+}
+.screen-enter > .col-act > :nth-child(1) {
+  animation-delay: 0.15s;
+}
+.screen-enter > .col-act > :nth-child(2) {
+  animation-delay: 0.2s;
+}
+.screen-enter > .col-act > :nth-child(3) {
+  animation-delay: 0.25s;
+}
+.screen-enter > .col-act > :nth-child(4) {
+  animation-delay: 0.3s;
+}
 .screen-enter > *:nth-child(1) {
   animation-delay: 0.02s;
 }
@@ -364,6 +455,7 @@ body::after {
   margin: 0;
   /* Honour the newline in the headline string (e.g. "Deine Reisen.\nDein Plan."). */
   white-space: pre-line;
+  text-wrap: balance;
 }
 /* The welcome headline as the brand says it: MuseoModerno, lower case. */
 .brand-title {
@@ -380,6 +472,8 @@ body::after {
   display: inline-flex;
   align-items: center;
   gap: 9px;
+  /* Left to right inside (dir="ltr"), yet on the screen's start edge in Arabic. */
+  align-self: flex-start;
 }
 .cloud-wordmark img {
   display: block;
@@ -414,6 +508,7 @@ body::after {
   font-weight: 700;
   letter-spacing: -0.025em;
   margin: 0;
+  text-wrap: balance;
 }
 .sub {
   color: var(--muted);
@@ -421,6 +516,8 @@ body::after {
   line-height: 1.55;
   font-size: 0.9rem;
   overflow-wrap: anywhere;
+  /* No lone last word ("AI.") on a line of its own. */
+  text-wrap: balance;
 }
 
 /* ── Buttons ─────────────────────────────────────────────────────────────── */
@@ -428,9 +525,10 @@ body::after {
   font: inherit;
   font-weight: 600;
   font-size: 1.02rem;
-  padding: 16px 18px;
+  padding: 16px 22px;
   border: 1px solid transparent;
-  border-radius: var(--radius);
+  /* A pill, as the app's buttons are. */
+  border-radius: 999px;
   background: var(--accent);
   color: var(--accent-ink);
   cursor: pointer;
@@ -455,6 +553,11 @@ body::after {
 .btn:disabled {
   opacity: 0.55;
 }
+/* A two-line choice (welcome) is a card rather than a button: the app's card radius. */
+.btn:has(.btn-row) {
+  border-radius: 22px;
+  padding-inline: 18px;
+}
 .btn-ghost {
   background: var(--surface);
   color: var(--ink);
@@ -471,6 +574,8 @@ body::after {
   flex-direction: column;
   align-items: flex-start;
   gap: 2px;
+  /* A subtitle that wraps keeps to the start edge under its title. */
+  text-align: start;
 }
 .btn-row b {
   font-weight: 650;
@@ -481,9 +586,20 @@ body::after {
   opacity: 0.7;
 }
 .btn .chev {
-  margin-left: auto;
+  flex: none;
+  margin-inline-start: auto;
   opacity: 0.5;
 }
+/* A centred label with the chevron at the far edge, the label optically centred. */
+.btn-go .btn-label {
+  flex: 1;
+  padding-inline-start: 20px;
+}
+/* Chevrons point along the reading direction. */
+:root[dir='rtl'] .chev,
+:root[dir='rtl'] .back svg {
+  transform: scaleX(-1);
+}
 
 .linkbtn {
   font: inherit;
@@ -507,7 +623,7 @@ body::after {
   margin-top: 2px;
   padding: 9px 18px;
   min-height: 40px;
-  border-radius: var(--radius);
+  border-radius: 999px;
   border: 1px solid var(--edge);
   background: transparent;
   color: var(--muted);
@@ -565,8 +681,8 @@ a.linkbtn {
   width: 100%;
   font: inherit;
   font-size: 1rem;
-  padding: 13px 16px;
-  border-radius: var(--radius);
+  padding: 13px 18px;
+  border-radius: 999px;
   border: 1px solid var(--edge);
   background: var(--surface);
   color: var(--ink);
@@ -707,7 +823,8 @@ a.linkbtn {
 .topbar {
   display: flex;
   align-items: center;
-  margin: 0 0 2px -8px;
+  margin-block: 0 2px;
+  margin-inline-start: -8px;
 }
 .back {
   font: inherit;
@@ -741,7 +858,7 @@ a.linkbtn {
   padding: 4px;
   background: var(--surface);
   border: 1px solid var(--edge);
-  border-radius: 13px;
+  border-radius: 999px;
   align-self: stretch;
 }
 .segmented button {
@@ -751,7 +868,7 @@ a.linkbtn {
   font-size: 0.95rem;
   padding: 9px;
   border: 0;
-  border-radius: 9px;
+  border-radius: 999px;
   background: none;
   color: var(--muted);
   cursor: pointer;
@@ -829,7 +946,7 @@ a.linkbtn {
   font-weight: 500;
   font-size: 0.8rem;
   color: var(--muted);
-  margin-left: 7px;
+  margin-inline-start: 7px;
 }
 .plan-feats {
   margin: 10px 0 14px;
@@ -902,8 +1019,8 @@ a.linkbtn {
 .slug-field {
   display: flex;
   align-items: center;
-  padding-right: 16px;
-  border-radius: var(--radius);
+  padding-inline-end: 18px;
+  border-radius: 999px;
   border: 1px solid var(--edge);
   background: var(--surface);
   box-shadow:
@@ -913,14 +1030,20 @@ a.linkbtn {
     border-color 0.2s,
     box-shadow 0.25s;
 }
-.slug-field .slug-input {
+.slug-field .slug-input,
+.slug-field .slug-input:focus {
   flex: 1;
   min-width: 0;
-  text-align: left;
+  text-align: start;
   border: 0;
   background: transparent;
+  /* The ring is the whole field's (focus-within below), not a second one inside it. */
   box-shadow: none;
 }
+/* An email is typed left to right, but its Arabic placeholder reads from the right. */
+:root[dir='rtl'] .field input.ltr-value:placeholder-shown {
+  direction: rtl;
+}
 .slug-field:focus-within {
   border-color: var(--edge-strong);
   box-shadow: 0 0 0 4px color-mix(in srgb, var(--ink) 9%, transparent);
@@ -934,7 +1057,7 @@ a.linkbtn {
   flex: none;
   color: var(--muted);
   font-size: 0.95rem;
-  padding-left: 4px;
+  padding-inline-start: 4px;
   user-select: none;
 }
 .hint {
@@ -984,7 +1107,8 @@ a.linkbtn {
    Upright, the photo band grows with the screen instead of stopping at a
    phone's 440px. Logical sides, so Arabic mirrors it. */
 @media (min-width: 840px) and (min-height: 600px) and (orientation: landscape) {
-  body::after {
+  body::after,
+  :root[dir='rtl'] body::after {
     inset: 16px auto 16px 16px;
     inset-block: 16px;
     inset-inline: 16px auto;
@@ -1009,9 +1133,6 @@ a.linkbtn {
     margin-inline: 50% 0;
     padding-inline: max(32px, calc(25vw - 220px));
   }
-  .screen-leave {
-    inset-inline: max(32px, calc(25vw - 220px));
-  }
 }
 /* With the whole half of a 13" iPad on its side, the plans stand two by two
    rather than in a column to scroll through. */
@@ -1024,23 +1145,28 @@ a.linkbtn {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
 }
-/* An iPad upright or an unfolded foldable: the photo spans the width as a band
-   across the top, and the choices stand under it in a wider column than a
-   phone's, so the page reads as one composition rather than a phone screen
-   floating in the middle of the glass. The plans take two columns. */
-@media (min-width: 700px) and (min-height: 900px) and (orientation: portrait) {
+/* An iPad upright, a foldable unfolded, half of an iPad in Split View: the photo
+   spans the whole width as a band across the top and fades out only downwards,
+   and the choices stand under it in a wider column than a phone's, centred in
+   the room the band leaves, so the page reads as one composition rather than a
+   phone screen at the top of the glass. The plans take two columns. */
+@media (min-width: 600px) and (min-height: 800px) and (orientation: portrait) {
   body::before,
   body::after {
-    height: 52vh;
+    height: 56vh;
   }
-  body::after {
+  body::after,
+  :root[dir='rtl'] body::after {
+    background-position:
+      0 0,
+      center 30%;
     -webkit-mask-image: none;
     mask-image: none;
   }
   .shell {
     max-width: 560px;
-    justify-content: flex-start;
-    padding-top: calc(env(safe-area-inset-top) + 38vh);
+    padding-top: calc(env(safe-area-inset-top) + 28vh);
+    padding-bottom: calc(env(safe-area-inset-bottom) + 6vh);
   }
   .shell:has(.plans) {
     max-width: 760px;
@@ -1051,3 +1177,61 @@ a.linkbtn {
     grid-template-columns: repeat(2, minmax(0, 1fr));
   }
 }
+
+/* ── A short screen on its side ──────────────────────────────────────────────
+   A phone, or a foldable folded, turned landscape: one column of choices is
+   taller than the glass, and the second choice or the main button ended up
+   below the edge. The two halves of a screen stand side by side instead, what
+   it is on the leading side and what to do on the other, top-aligned under the
+   status bar. The leading half stays put while a long list beside it (the
+   plans) scrolls, so Back is always in reach. */
+@media (orientation: landscape) and (max-height: 500px) {
+  .shell {
+    max-width: 880px;
+    padding-top: calc(env(safe-area-inset-top) + 16px);
+    padding-bottom: calc(env(safe-area-inset-bottom) + 16px);
+    padding-inline: max(28px, env(safe-area-inset-left)) max(28px, env(safe-area-inset-right));
+  }
+  .screen:has(> .col) {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
+    column-gap: 40px;
+    align-items: center;
+  }
+  /* The plans run longer than the window: both halves start at the top. */
+  .screen:has(.plans) {
+    align-items: start;
+  }
+  .col {
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+  }
+  .col-about {
+    position: sticky;
+    top: calc(env(safe-area-inset-top) + 16px);
+  }
+  .hero-logo {
+    margin-bottom: 4px;
+  }
+  .hero-logo img {
+    height: 46px;
+  }
+  .title {
+    font-size: 1.75rem;
+  }
+  .btn {
+    min-height: 50px;
+    padding-block: 12px;
+  }
+  .features {
+    margin: 0;
+  }
+  .feature {
+    padding: 7px 0;
+  }
+  .foot-links {
+    margin-top: 0;
+    padding-top: 10px;
+  }
+}
diff --git a/client/tests/unit/native/nativeShell.test.ts b/client/tests/unit/native/nativeShell.test.ts
new file mode 100644
index 000000000..c92548ca1
--- /dev/null
+++ b/client/tests/unit/native/nativeShell.test.ts
@@ -0,0 +1,94 @@
+import { readFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+import { describe, expect, it } from 'vitest'
+
+import { directionOf, pickLocale, translator } from '../../../native-shell/i18n'
+
+// FE-NATIVE-SHELL-001 to FE-NATIVE-SHELL-006
+//
+// The app's own first screens (client/native-shell): which language and reading
+// direction they start in, and the layout rules in shell.css that no component
+// test reaches (jsdom applies no stylesheet, so these read the real file).
+
+/** Every rule of a stylesheet as its selector list, its declarations and the media query around it, comments dropped. */
+function rules(css: string): { selectors: string[]; body: string; media: string }[] {
+  const out: { selectors: string[]; body: string; media: string }[] = []
+  const stack: string[] = []
+  let buf = ''
+  for (const ch of css.replace(/\/\*[\s\S]*?\*\//g, '')) {
+    if (ch === '{') {
+      stack.push(buf.trim())
+      buf = ''
+    } else if (ch === '}') {
+      const head = stack.pop() ?? ''
+      if (!head.startsWith('@')) {
+        const media = stack.filter(h => h.startsWith('@media')).join(' ')
+        out.push({ selectors: head.split(',').map(sel => sel.trim()), body: buf, media })
+      }
+      buf = ''
+    } else {
+      buf += ch
+    }
+  }
+  return out
+}
+
+const css = readFileSync(resolve(process.cwd(), 'native-shell/shell.css'), 'utf8')
+const all = rules(css)
+const find = (selector: string, media?: RegExp) =>
+  all.filter(r => r.selectors.includes(selector) && (!media || media.test(r.media)))
+
+describe('native shell', () => {
+  it('FE-NATIVE-SHELL-001: Arabic and Hebrew start right to left, every other language left to right', () => {
+    expect(pickLocale(['ar-SA'])).toBe('ar')
+    expect(pickLocale(['he-IL'])).toBe('he')
+    expect(directionOf('ar')).toBe('rtl')
+    expect(directionOf('he')).toBe('rtl')
+    expect(directionOf('ru')).toBe('ltr')
+    expect(directionOf('de')).toBe('ltr')
+  })
+
+  it('FE-NATIVE-SHELL-002: the first screens speak without dashes as punctuation', () => {
+    for (const code of ['en', 'de']) {
+      const t = translator(code)
+      for (const key of ['native.welcome.sub', 'native.cloud.sub', 'native.cloud.f3']) {
+        expect(t(key)).not.toMatch(/[\u2013\u2014]| - /)
+      }
+    }
+  })
+
+  it('FE-NATIVE-SHELL-003: Russian keeps TREK\'s faces through Cyrillic stand-ins under the same family names', () => {
+    const faces = css.match(/@font-face\s*\{[^}]*\}/g) ?? []
+    const cyrillic = faces.filter(f => /unicode-range:\s*U\+0301, U\+0400-045F/.test(f))
+    expect(cyrillic.filter(f => /font-family:\s*'Poppins'/.test(f))).toHaveLength(3)
+    expect(cyrillic.filter(f => /font-family:\s*'MuseoModerno'/.test(f))).toHaveLength(1)
+    for (const face of cyrillic) {
+      const file = /url\('\.\/fonts\/([^']+)'\)/.exec(face)?.[1]
+      expect(file).toBeTruthy()
+      expect(() => readFileSync(resolve(process.cwd(), 'native-shell/fonts', file as string))).not.toThrow()
+    }
+  })
+
+  it('FE-NATIVE-SHELL-004: a short screen on its side puts the two halves of a screen side by side', () => {
+    const compact = /orientation: landscape\) and \(max-height: 500px\)/
+    expect(find('.screen:has(> .col)', compact)[0]?.body).toMatch(/grid-template-columns:\s*minmax\(0, 1fr\) minmax\(0, 1fr\)/)
+    expect(find('.col-about', compact)[0]?.body).toMatch(/position:\s*sticky/)
+    // Everywhere else the halves are no boxes of their own: one column, as before.
+    expect(find('.col')[0]?.body).toMatch(/display:\s*contents/)
+  })
+
+  it('FE-NATIVE-SHELL-005: a screen taller than the window scrolls instead of overflowing both edges', () => {
+    expect(find('.screen')[0]?.body).toMatch(/margin-block:\s*auto/)
+    const shell = find('.shell')[0]?.body ?? ''
+    expect(shell).toMatch(/overflow-x:\s*clip/)
+    expect(shell).not.toMatch(/justify-content:\s*center/)
+  })
+
+  it('FE-NATIVE-SHELL-006: in Arabic the chevrons sit at the far edge and point along the reading direction, the price stands apart', () => {
+    expect(find('.btn .chev')[0]?.body).toMatch(/margin-inline-start:\s*auto/)
+    expect(find(":root[dir='rtl'] .chev")[0]?.body).toMatch(/transform:\s*scaleX\(-1\)/)
+    expect(find('.plan-price small')[0]?.body).toMatch(/margin-inline-start:\s*7px/)
+    expect(find('.btn-row')[0]?.body).toMatch(/text-align:\s*start/)
+    expect(css).not.toMatch(/margin-left|margin-right|padding-left|padding-right|text-align:\s*left/)
+  })
+})