diff --git a/dev-data/index.ts b/dev-data/index.ts
index 3b0fc03f1..dbea3caf8 100644
--- a/dev-data/index.ts
+++ b/dev-data/index.ts
@@ -55,6 +55,7 @@ export { mentorshipCourses, mentorshipCoursesDefault } from './mentorship.data';
 export { nodejs } from './nodejs.data';
 export { picturesSocialMediaLinks } from './pictures.data';
 export { preSchoolEn, preSchoolRu } from './preSchool.data';
+export { principleCards } from './principle-cards.data';
 export { reactEn } from './react-en.data';
 export { reactRu } from './react-ru.data';
 export { requirementsData } from './requirements.data';
diff --git a/src/widgets/principles/constants.tsx b/dev-data/principle-cards.data.tsx
similarity index 50%
rename from src/widgets/principles/constants.tsx
rename to dev-data/principle-cards.data.tsx
index 0a0f9be1c..b94416c33 100644
--- a/src/widgets/principles/constants.tsx
+++ b/dev-data/principle-cards.data.tsx
@@ -1,23 +1,26 @@
-import { PrincipleCardProps } from './ui/principle-card/principle-card';
-import { OpenSourcePhilosophyIcon, OpenToEveryoneIcon, TeachItForwardIcon } from '@/shared/icons';
+import Image from 'next/image';
+import openSourcePhilosophyIcon from '@/shared/assets/svg/openSourcePhilosophyIcon.svg';
+import openToEveryoneIcon from '@/shared/assets/svg/openToEveryoneIcon.svg';
+import teachItForwardIcon from '@/shared/assets/svg/teachItForwardIcon.svg';
+import { PrincipleCard } from '@/widgets/principles';
 
-export const cards: PrincipleCardProps[] = [
+export const principleCards: PrincipleCard[] = [
   {
     title: 'Open to everyone',
     description:
       'Free courses, no obligations, and no contracts. No age limit. Only students’ time and dedication are required. Students can repeatedly attend courses.',
-    icon: <OpenToEveryoneIcon />,
+    icon: <Image src={openToEveryoneIcon} alt="" aria-hidden="true" />,
   },
   {
     title: 'Open source philosophy',
     description:
       'Our Learning Management System platform and educational materials are publicly available on GitHub and YouTube.',
-    icon: <OpenSourcePhilosophyIcon />,
+    icon: <Image src={openSourcePhilosophyIcon} alt="" aria-hidden="true" />,
   },
   {
     title: '"Teach it forward"',
     description:
       'Students study at school for free, but we request that they return as mentors to pass on their knowledge to the next generation of students.',
-    icon: <TeachItForwardIcon />,
+    icon: <Image src={teachItForwardIcon} alt="" aria-hidden="true" />,
   },
 ];
diff --git a/src/shared/icons/index.tsx b/src/shared/icons/index.tsx
index 3c7badb6b..f5e4138af 100644
--- a/src/shared/icons/index.tsx
+++ b/src/shared/icons/index.tsx
@@ -12,10 +12,7 @@ export { JavascriptIcon } from './javascript-icon';
 export { JetBrainsLogo } from './jetbrains';
 export { LinkedInIcon } from './linkedIn';
 export { NodeJsIcon } from './nodejs-icon';
-export { OpenSourcePhilosophyIcon } from './open-source-philosophy-icon';
-export { OpenToEveryoneIcon } from './open-to-everyone-icon';
 export { ReactIcon } from './react-icon';
-export { TeachItForwardIcon } from './teach-It-forward-icon';
 export { TelegramIcon } from './telegram';
 export { TextLinkIcon } from './text-link-icon';
 export { YouTubeIcon } from './youtube';
diff --git a/src/shared/icons/open-source-philosophy-icon.tsx b/src/shared/icons/open-source-philosophy-icon.tsx
deleted file mode 100644
index 4845e4fa8..000000000
--- a/src/shared/icons/open-source-philosophy-icon.tsx
+++ /dev/null
@@ -1,6 +0,0 @@
-import Image from 'next/image';
-import openSourcePhilosophyIcon from '@/shared/assets/svg/openSourcePhilosophyIcon.svg';
-
-export const OpenSourcePhilosophyIcon = () => {
-  return <Image src={openSourcePhilosophyIcon} alt="Open Source Philosophy Icon" />;
-};
diff --git a/src/shared/icons/open-to-everyone-icon.tsx b/src/shared/icons/open-to-everyone-icon.tsx
deleted file mode 100644
index 8feed3403..000000000
--- a/src/shared/icons/open-to-everyone-icon.tsx
+++ /dev/null
@@ -1,6 +0,0 @@
-import Image from 'next/image';
-import openToEveryoneIcon from '@/shared/assets/svg/openToEveryoneIcon.svg';
-
-export const OpenToEveryoneIcon = () => {
-  return <Image src={openToEveryoneIcon} alt="Open To Everyone Icon" />;
-};
diff --git a/src/shared/icons/teach-It-forward-icon.tsx b/src/shared/icons/teach-It-forward-icon.tsx
deleted file mode 100644
index 2de2bd40c..000000000
--- a/src/shared/icons/teach-It-forward-icon.tsx
+++ /dev/null
@@ -1,6 +0,0 @@
-import Image from 'next/image';
-import teachItForwardIcon from '@/shared/assets/svg/teachItForwardIcon.svg';
-
-export const TeachItForwardIcon = () => {
-  return <Image src={teachItForwardIcon} alt="Teach It Forward Icon" />;
-};
diff --git a/src/widgets/principles/index.ts b/src/widgets/principles/index.ts
index 24b4a7c05..c766eb1a1 100644
--- a/src/widgets/principles/index.ts
+++ b/src/widgets/principles/index.ts
@@ -1 +1,2 @@
-export { Principles } from './ui/principle-card/principles';
+export type { PrincipleCard } from './types';
+export { Principles } from './ui/principles/principles';
diff --git a/src/widgets/principles/types.ts b/src/widgets/principles/types.ts
new file mode 100644
index 000000000..80ce896e8
--- /dev/null
+++ b/src/widgets/principles/types.ts
@@ -0,0 +1,7 @@
+import { ReactNode } from 'react';
+
+export type PrincipleCard = {
+  title: string;
+  description: string;
+  icon: ReactNode;
+};
diff --git a/src/widgets/principles/ui/principle-card/principle-card.scss b/src/widgets/principles/ui/principle-card/principle-card.module.scss
similarity index 60%
rename from src/widgets/principles/ui/principle-card/principle-card.scss
rename to src/widgets/principles/ui/principle-card/principle-card.module.scss
index 095a01082..c9ef78360 100644
--- a/src/widgets/principles/ui/principle-card/principle-card.scss
+++ b/src/widgets/principles/ui/principle-card/principle-card.module.scss
@@ -1,15 +1,12 @@
 .principle-card {
   @extend %transition-all;
 
-  cursor: default;
-
   position: relative;
 
   overflow: hidden;
-  display: flex;
-  flex-flow: column nowrap;
-  place-content: center flex-start;
-  align-items: flex-start;
+  display: grid;
+  grid-template-columns: max-content 1fr;
+  column-gap: 16px;
 
   width: 100%;
   padding: 24px;
@@ -20,7 +17,22 @@
   border: 1px solid rgb(255 219 32 / 8%);
   border-radius: 12px;
 
-  & .card-header {
+  &::after {
+    content: '';
+
+    position: absolute;
+    right: -160px;
+    bottom: -150px;
+
+    width: 310px;
+    height: 300px;
+
+    background-color: rgb(255 219 32 / 20%);
+    filter: blur(32px);
+    border-radius: 100%;
+  }
+
+  .card-header {
     display: flex;
     gap: 16px;
     align-items: center;
@@ -33,14 +45,11 @@
     }
   }
 
-  & .icon-wrapper {
-    position: relative;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-  }
+  .card-description {
+    z-index: 1;
+
+    grid-column: span 2;
 
-  & .card-description {
     font-size: 18px;
     font-weight: $font-weight-regular;
     line-height: 1.4;
@@ -48,28 +57,31 @@
     letter-spacing: 0;
   }
 
-  span > img {
-    width: 44px;
-    height: 44px;
-  }
+  .icon {
+    display: flex;
+    justify-content: center;
 
-  & .accent {
-    position: absolute;
-    z-index: 1;
+    img {
+      position: relative;
+      width: 44px;
+      height: 44px;
+    }
 
-    display: block;
-    flex-shrink: 0;
-    align-self: flex-start;
+    &::before {
+      content: '';
 
-    width: 20px;
-    height: 19px;
+      position: absolute;
 
-    background-color: rgba($color-yellow, $opacity-80);
-    filter: blur(8px);
-    border-radius: 100%;
+      width: 20px;
+      height: 20px;
+
+      background-color: rgba($color-yellow, $opacity-80);
+      filter: blur(8px);
+      border-radius: 100%;
+    }
   }
 
-  & .card-title {
+  .card-title {
     align-self: flex-start;
 
     max-width: 265px;
@@ -96,26 +108,9 @@
     width: 100%;
     padding: 32px 24px;
 
-    & .card-description {
+    .card-description {
       font-size: 16px;
       line-height: 24px;
     }
   }
 }
-
-.accent-corner {
-  position: absolute;
-  z-index: 1;
-  right: -160px;
-  bottom: -150px;
-
-  display: block;
-  flex-shrink: 0;
-
-  width: 310px;
-  height: 300px;
-
-  background-color: rgb(255 219 32 / 20%);
-  filter: blur(32px);
-  border-radius: 100%;
-}
diff --git a/src/widgets/principles/ui/principle-card/principle-card.tsx b/src/widgets/principles/ui/principle-card/principle-card.tsx
index fdabe084b..06576e8b1 100644
--- a/src/widgets/principles/ui/principle-card/principle-card.tsx
+++ b/src/widgets/principles/ui/principle-card/principle-card.tsx
@@ -1,23 +1,16 @@
-import { ReactNode } from 'react';
+import classnames from 'classnames/bind';
+import { Paragraph } from '@/shared/ui/paragraph';
+import { WidgetTitle } from '@/shared/ui/widget-title';
+import type { PrincipleCard as TPrincipleCard } from '@/widgets/principles';
 
-import './principle-card.scss';
+import styles from './principle-card.module.scss';
 
-export interface PrincipleCardProps {
-  title: string;
-  description: string;
-  icon: ReactNode;
-}
+const cx = classnames.bind(styles);
 
-export const PrincipleCard = ({ title, description, icon }: PrincipleCardProps) => (
-  <div className="principle-card">
-    <div className="card-header">
-      <div className="icon-wrapper">
-        <div className="accent" />
-        <span>{icon}</span>
-      </div>
-      <div className="card-title">{title}</div>
-    </div>
-    <div className="card-description">{description}</div>
-    <div className="accent-corner" />
-  </div>
+export const PrincipleCard = ({ title, description, icon }: TPrincipleCard) => (
+  <article className={cx('principle-card')} data-testid="principle-card">
+    <span className={cx('icon')}>{icon}</span>
+    <WidgetTitle className={cx('card-title')}>{title}</WidgetTitle>
+    <Paragraph className={cx('card-description')}>{description}</Paragraph>
+  </article>
 );
diff --git a/src/widgets/principles/ui/principle-card/principles.tsx b/src/widgets/principles/ui/principle-card/principles.tsx
deleted file mode 100644
index 4cfec2fc1..000000000
--- a/src/widgets/principles/ui/principle-card/principles.tsx
+++ /dev/null
@@ -1,18 +0,0 @@
-import { PrincipleCard } from './principle-card';
-import { cards } from '../../constants';
-import { WidgetTitle } from '@/shared/ui/widget-title';
-
-import './principles.scss';
-
-export const Principles = () => (
-  <div className="principles container">
-    <div className="principles content">
-      <WidgetTitle size="large" mods="lines">RS School Principles are an ability to complete our mission</WidgetTitle>
-      <div className="column-3 cards">
-        {cards.map(({ title, description, icon }) => (
-          <PrincipleCard key={title} description={description} icon={icon} title={title} />
-        ))}
-      </div>
-    </div>
-  </div>
-);
diff --git a/src/widgets/principles/ui/principle-card/principles.scss b/src/widgets/principles/ui/principles/principles.module.scss
similarity index 51%
rename from src/widgets/principles/ui/principle-card/principles.scss
rename to src/widgets/principles/ui/principles/principles.module.scss
index c8e7ba174..4de4dff73 100644
--- a/src/widgets/principles/ui/principle-card/principles.scss
+++ b/src/widgets/principles/ui/principles/principles.module.scss
@@ -1,17 +1,5 @@
 .principles {
-  &.content {
-    padding: 20px 120px 40px;
-
-    @include media-laptop {
-      padding: 20px 40px 40px;
-    }
-
-    @include media-tablet {
-      padding: 20px 16px 40px;
-    }
-  }
-
-  & .cards {
+  .cards {
     gap: 32px;
     align-items: stretch;
     margin-top: 24px;
diff --git a/src/widgets/principles/principles.test.tsx b/src/widgets/principles/ui/principles/principles.test.tsx
similarity index 71%
rename from src/widgets/principles/principles.test.tsx
rename to src/widgets/principles/ui/principles/principles.test.tsx
index 3599d7274..a6e465605 100644
--- a/src/widgets/principles/principles.test.tsx
+++ b/src/widgets/principles/ui/principles/principles.test.tsx
@@ -1,8 +1,9 @@
 import { render, screen } from '@testing-library/react';
 import { beforeEach, describe, expect, it } from 'vitest';
-import { cards } from './constants';
+import { Principles } from '@/widgets/principles';
+import { principleCards } from 'data';
 
-import { Principles } from './ui/principle-card/principles';
+const principleItemsNum = 3;
 
 describe('Principles', () => {
   beforeEach(() => {
@@ -18,7 +19,7 @@ describe('Principles', () => {
   });
 
   it('renders PrincipleCards correctly', () => {
-    cards.forEach(({ title, description }) => {
+    principleCards.forEach(({ title, description }) => {
       const titleElement = screen.getByText(title);
       const descriptionElement = screen.getByText(description);
 
@@ -28,8 +29,8 @@ describe('Principles', () => {
   });
 
   it('renders the correct number of PrincipleCards', () => {
-    const principleCards = document.getElementsByClassName('principle-card');
+    const principleCards = screen.getAllByTestId('principle-card');
 
-    expect(principleCards).toHaveLength(cards.length);
+    expect(principleCards).toHaveLength(principleItemsNum);
   });
 });
diff --git a/src/widgets/principles/ui/principles/principles.tsx b/src/widgets/principles/ui/principles/principles.tsx
new file mode 100644
index 000000000..cd46e78af
--- /dev/null
+++ b/src/widgets/principles/ui/principles/principles.tsx
@@ -0,0 +1,23 @@
+import classnames from 'classnames/bind';
+import { WidgetTitle } from '@/shared/ui/widget-title';
+import { PrincipleCard } from '@/widgets/principles/ui/principle-card/principle-card.tsx';
+import { principleCards } from 'data';
+
+import styles from './principles.module.scss';
+
+const cx = classnames.bind(styles);
+
+export const Principles = () => (
+  <section className={cx('principles', 'container')}>
+    <div className={cx('principles', 'content')}>
+      <WidgetTitle size="large" mods="lines">
+        RS School Principles are an ability to complete our mission
+      </WidgetTitle>
+      <div className={cx('column-3', 'cards')}>
+        {principleCards.map(({ title, description, icon }) => (
+          <PrincipleCard key={title} description={description} icon={icon} title={title} />
+        ))}
+      </div>
+    </div>
+  </section>
+);