diff --git a/apps/landing/next.config.ts b/apps/landing/next.config.ts
index a4fbc75..b165982 100644
--- a/apps/landing/next.config.ts
+++ b/apps/landing/next.config.ts
@@ -6,6 +6,8 @@ const config: NextConfig = {
   outputFileTracingRoot: path.join(import.meta.dirname, '../..'),
   transpilePackages: ['@kvarta/shared'],
   poweredByHeader: false,
+  // AVIF заметно легче WebP на фото зерна (LCP на мобиле); WebP — запасной
+  images: { formats: ['image/avif', 'image/webp'] },
   // в проде /api/ отдаёт nginx на контейнер api; локально проксируем на dev-сервер api
   async rewrites() {
     if (process.env.NODE_ENV === 'production') return [];
diff --git a/apps/landing/src/app/globals.css b/apps/landing/src/app/globals.css
index b56007c..9ae054f 100644
--- a/apps/landing/src/app/globals.css
+++ b/apps/landing/src/app/globals.css
@@ -70,6 +70,12 @@
     scroll-padding-top: 16px;
     -webkit-text-size-adjust: 100%;
   }
+  /* < 768 снизу липкая CTA (~68px): фокус и якоря не уходят под неё (WCAG 2.4.11) */
+  @media (max-width: 767px) {
+    html {
+      scroll-padding-bottom: calc(76px + env(safe-area-inset-bottom));
+    }
+  }
   body {
     font-family: var(--font-sans);
     font-size: var(--text-body);
diff --git a/apps/landing/src/components/LeadForm.tsx b/apps/landing/src/components/LeadForm.tsx
index 1b598cb..dfb92aa 100644
--- a/apps/landing/src/components/LeadForm.tsx
+++ b/apps/landing/src/components/LeadForm.tsx
@@ -2,7 +2,7 @@
 // Разметка формы заявки. Вся логика — в useLeadForm; вёрстку переделает дизайнер.
 // Состояния для стилей: data-state (idle|submitting|success|error), data-notice, data-invalid, data-checked.
 import { INTERESTS, INTEREST_LABELS, type LeadField } from '@kvarta/shared/lead';
-import { useEffect, useRef } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import { CONTACT_PHONE, FORM_TEXT } from '@/content/form';
 import { LEAD_NAME_INPUT_ID } from '@/lib/leadPrefill';
 import { Stamp } from './Stamp';
@@ -99,12 +99,22 @@ export function LeadForm({ sendLead, className }: LeadFormProps) {
   const { values, errors, status, notice } = form;
   const submitting = status === 'submitting';
   const sendAnotherRef = useRef<HTMLButtonElement>(null);
+  const formRef = useRef<HTMLFormElement>(null);
+  const [submitTick, setSubmitTick] = useState(0);
 
   // кнопка отправки исчезает вместе с формой — переносим фокус, чтобы он не потерялся
   useEffect(() => {
     if (status === 'success') sendAnotherRef.current?.focus();
   }, [status]);
 
+  // после «Отправить» с ошибками фокус — на первое неверное поле: скринридер прочтёт его подсказку (aria-describedby)
+  useEffect(() => {
+    if (submitTick === 0 || status === 'submitting') return;
+    const first = formRef.current?.querySelector<HTMLElement>('[aria-invalid="true"]');
+    const target = first?.tagName === 'FIELDSET' ? first.querySelector<HTMLElement>('input:checked, input') : first;
+    target?.focus();
+  }, [submitTick, status]);
+
   const fieldProps = (field: LeadField) => ({
     'aria-invalid': errors[field] ? true : undefined,
     'aria-describedby': errors[field] ? errorId(field) : undefined,
@@ -129,7 +139,15 @@ export function LeadForm({ sendLead, className }: LeadFormProps) {
         {FORM_TEXT.formTag}
       </p>
       {status !== 'success' && (
-        <form noValidate onSubmit={form.submit} className="flex flex-col gap-5">
+        <form
+          ref={formRef}
+          method="post"
+          noValidate
+          onSubmit={(e) => {
+            setSubmitTick((n) => n + 1);
+            void form.submit(e);
+          }}
+          className="flex flex-col gap-5">
           <div className="flex flex-col gap-2">
             <label className="field-label" htmlFor={ids.name}>{FORM_TEXT.name.label}</label>
             <input
diff --git a/apps/landing/src/components/PriceTag.tsx b/apps/landing/src/components/PriceTag.tsx
index e040706..b96e21c 100644
--- a/apps/landing/src/components/PriceTag.tsx
+++ b/apps/landing/src/components/PriceTag.tsx
@@ -19,11 +19,15 @@ export function PriceTag({
   return (
     <p className={`flex items-baseline justify-between gap-4 ${bare ? '' : 'border-t border-ink pt-3'} ${bareOnWide ? 'lg:border-t-0 lg:pt-0' : ''}`}>
       {size ? <Size value={size} /> : <span />}
+      <span className="sr-only"> </span>
       <span className="whitespace-nowrap">
         <span className={`mono ${large ? 'text-[clamp(2.25rem,1.6rem+2vw,3rem)]' : 'text-price'} font-semibold tracking-[-0.02em]`}>
           {price}
         </span>
+        {/* пробелы для скринридера: визуальный отступ задают ml-*, без них читается «32BYN» */}
+        <span className="sr-only"> </span>
         <span className={`mono ${large ? 'text-xl' : 'text-sm'} ml-1.5 font-semibold`}>BYN</span>
+        {unit && <span className="sr-only"> </span>}
         {unit && <span className="ml-2 font-sans text-base font-medium text-muted">{unit}</span>}
       </span>
     </p>
@@ -38,6 +42,7 @@ function Size({ value }: { value: string }) {
       {m ? (
         <>
           <span>{m[1]}</span>
+          <span className="sr-only"> </span>
           <span className="ml-[0.25em]">{m[2]}</span>
         </>
       ) : (
diff --git a/apps/landing/src/components/Stamp.tsx b/apps/landing/src/components/Stamp.tsx
index 00ccbc6..491938a 100644
--- a/apps/landing/src/components/Stamp.tsx
+++ b/apps/landing/src/components/Stamp.tsx
@@ -30,7 +30,13 @@ export function Stamp({ lines, width = 168, rotate = -6, tone = 'cherry', animat
   const H = PAD * 2 + heights.reduce((a, b) => a + b, 0);
   const tops = heights.map((_, i) => PAD + heights.slice(0, i).reduce((a, b) => a + b, 0));
   const color = `var(--color-${tone})`;
-  const style = { '--stamp-rotate': `${rotate}deg`, width, marginLeft: offsetX || undefined } as CSSProperties;
+  // maxWidth: на 320 этикетка уже штампа — штамп сжимается, а не выталкивает страницу вбок
+  const style = {
+    '--stamp-rotate': `${rotate}deg`,
+    width,
+    maxWidth: offsetX ? `calc(100% - ${offsetX}px)` : '100%',
+    marginLeft: offsetX || undefined,
+  } as CSSProperties;
 
   return (
     <span className={`stamp ${className ?? ''}`} style={style} data-stamp={animate} data-backing={backing ? '' : undefined} aria-hidden="true">
diff --git a/apps/landing/src/components/sections/About.tsx b/apps/landing/src/components/sections/About.tsx
index 0d3046f..6ed648b 100644
--- a/apps/landing/src/components/sections/About.tsx
+++ b/apps/landing/src/components/sections/About.tsx
@@ -13,7 +13,7 @@ export function About() {
             src={cooler}
             alt={site.images.cooler.alt}
             fill
-            sizes="(min-width: 1280px) 610px, (min-width: 1024px) 48vw, 100vw"
+            sizes="(min-width: 1280px) 630px, (min-width: 1024px) 48vw, 100vw"
             className="object-cover object-[center_40%]"
             placeholder="blur"
           />
diff --git a/apps/landing/src/components/sections/Catalog.tsx b/apps/landing/src/components/sections/Catalog.tsx
index 8dc7205..1228459 100644
--- a/apps/landing/src/components/sections/Catalog.tsx
+++ b/apps/landing/src/components/sections/Catalog.tsx
@@ -13,7 +13,7 @@ export function Catalog({ roastDate }: { roastDate: string }) {
           {typo(catalog.title)}
         </h2>
         <p className="mt-4 max-w-[46ch] text-lead">{typo(catalog.subtitle)}</p>
-        <div className="mt-10 grid gap-4 md:grid-cols-2 lg:mt-16 lg:grid-cols-3 lg:gap-x-6 lg:gap-y-6">
+        <div className="mt-10 grid grid-cols-[minmax(0,1fr)] gap-4 md:grid-cols-2 lg:mt-16 lg:grid-cols-3 lg:gap-x-6 lg:gap-y-6">
           {packs.map((item) => (
             <Label key={item.id} item={item} roastDate={roastDate} />
           ))}
diff --git a/apps/landing/src/components/sections/Hero.tsx b/apps/landing/src/components/sections/Hero.tsx
index 61d3fe2..fc93081 100644
--- a/apps/landing/src/components/sections/Hero.tsx
+++ b/apps/landing/src/components/sections/Hero.tsx
@@ -32,7 +32,7 @@ export function Hero({ roastDate }: { roastDate: string }) {
               fill
               priority
               fetchPriority="high"
-              sizes="(min-width: 1280px) 500px, (min-width: 1024px) 38vw, 100vw"
+              sizes="(min-width: 1280px) 520px, (min-width: 1024px) 38vw, 100vw"
               className="object-cover"
               placeholder="blur"
             />