diff --git a/assets/css/custom.css b/assets/css/custom.css
index 789132e..eeac63a 100644
--- a/assets/css/custom.css
+++ b/assets/css/custom.css
@@ -1,403 +1,189 @@
+:root {
+  color-scheme: light;
+  --bg: #f8fafc;
+  --surface: #ffffff;
+  --border: #e2e8f0;
+  --text: #0f172a;
+  --muted: #64748b;
+  --accent: #1f2937;
+  --accent-soft: #e5e7eb;
+}
+
+* {
+  box-sizing: border-box;
+}
+
 body {
-    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
-    background-size: 400% 400%;
-    animation: gradient 15s ease infinite;
-    color: #212529;
-    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
-    font-size: 14px;
-    margin: 0;
-    min-height: 100vh;
+  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
+  background: var(--bg);
+  color: var(--text);
+  letter-spacing: -0.01em;
 }
 
-.main-wrapper {
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    min-height: 100vh;
-    width: 100%;
-    padding: 20px;
-    box-sizing: border-box;
-    position: relative;
-    z-index: 1;
+a {
+  color: inherit;
 }
 
-@keyframes gradient {
-    0% {
-        background-position: 0% 50%;
-    }
-    50% {
-        background-position: 100% 50%;
-    }
-    100% {
-        background-position: 0% 50%;
-    }
+.hero-card,
+.quiz-card,
+.info-card {
+  background: var(--surface);
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 2rem;
+  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
 }
 
-.chat-container {
-    width: 100%;
-    max-width: 600px;
-    background: rgba(255, 255, 255, 0.85);
-    border: 1px solid rgba(255, 255, 255, 0.3);
-    border-radius: 20px;
-    display: flex;
-    flex-direction: column;
-    height: 85vh;
-    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
-    backdrop-filter: blur(15px);
-    -webkit-backdrop-filter: blur(15px);
-    overflow: hidden;
+.stat-stack {
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  background: #f9fafb;
 }
 
-.chat-header {
+.score-badge {
+  background: #f9fafb;
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 0.75rem 1rem;
+  min-width: 140px;
+  text-align: center;
+}
+
+.question-area {
+  border: 1px solid var(--border);
+  border-radius: 12px;
+  padding: 1.5rem;
+  background: #f8fafc;
+}
+
+.option-list {
+  margin: 0;
+  padding: 0;
+  display: grid;
+  gap: 0.75rem;
+}
+
+.option-item {
+  border: 1px solid var(--border);
+  background: #ffffff;
+  border-radius: 10px;
+  padding: 0.85rem 1rem;
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: 0.2s ease;
+}
+
+.option-item:hover {
+  border-color: #94a3b8;
+  transform: translateY(-1px);
+}
+
+.option-item-selected {
+  border-color: #2563eb;
+  background: #eff6ff;
+}
+
+.option-item-correct {
+  border-color: #16a34a;
+  background: #f0fdf4;
+}
+
+.option-item-wrong {
+  border-color: #dc2626;
+  background: #fef2f2;
+}
+
+.option-index {
+  width: 36px;
+  height: 36px;
+  border-radius: 8px;
+  background: var(--accent-soft);
+  color: var(--accent);
+  display: grid;
+  place-items: center;
+  font-weight: 700;
+}
+
+.answer-pill {
+  background: #111827;
+  color: #fff;
+  border-radius: 999px;
+  padding: 0.25rem 0.75rem;
+  font-size: 0.75rem;
+  text-transform: uppercase;
+  letter-spacing: 0.08em;
+}
+
+.answer-figure {
+  width: 100%;
+  max-width: 360px;
+}
+
+.answer-image,
+.summary-image {
+  width: 100%;
+  height: auto;
+  border-radius: 10px;
+  border: 1px solid var(--border);
+  object-fit: cover;
+}
+
+.summary-image {
+  margin-bottom: 0.75rem;
+  aspect-ratio: 16 / 9;
+}
+
+.summary-list {
+  display: grid;
+  gap: 1rem;
+}
+
+.summary-item {
+  border: 1px solid var(--border);
+  border-radius: 10px;
+  padding: 1rem;
+  background: #ffffff;
+}
+
+.summary-item p {
+  margin-bottom: 0.35rem;
+}
+
+.btn-primary {
+  background: #111827;
+  border-color: #111827;
+}
+
+.btn-primary:hover,
+.btn-primary:focus {
+  background: #0f172a;
+  border-color: #0f172a;
+}
+
+.btn-dark {
+  background: #1f2937;
+  border-color: #1f2937;
+}
+
+.btn-dark:hover,
+.btn-dark:focus {
+  background: #111827;
+  border-color: #111827;
+}
+
+code {
+  background: #f1f5f9;
+  padding: 0.1rem 0.35rem;
+  border-radius: 6px;
+}
+
+@media (max-width: 767px) {
+  .hero-card,
+  .quiz-card,
+  .info-card {
     padding: 1.5rem;
-    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
-    background: rgba(255, 255, 255, 0.5);
-    font-weight: 700;
-    font-size: 1.1rem;
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
+  }
 }
-
-.chat-messages {
-    flex: 1;
-    overflow-y: auto;
-    padding: 1.5rem;
-    display: flex;
-    flex-direction: column;
-    gap: 1.25rem;
-}
-
-/* Custom Scrollbar */
-::-webkit-scrollbar {
-    width: 6px;
-}
-
-::-webkit-scrollbar-track {
-    background: transparent;
-}
-
-::-webkit-scrollbar-thumb {
-    background: rgba(255, 255, 255, 0.3);
-    border-radius: 10px;
-}
-
-::-webkit-scrollbar-thumb:hover {
-    background: rgba(255, 255, 255, 0.5);
-}
-
-.message {
-    max-width: 85%;
-    padding: 0.85rem 1.1rem;
-    border-radius: 16px;
-    line-height: 1.5;
-    font-size: 0.95rem;
-    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
-    animation: fadeIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
-}
-
-@keyframes fadeIn {
-    from { opacity: 0; transform: translateY(20px) scale(0.95); }
-    to { opacity: 1; transform: translateY(0) scale(1); }
-}
-
-.message.visitor {
-    align-self: flex-end;
-    background: linear-gradient(135deg, #212529 0%, #343a40 100%);
-    color: #fff;
-    border-bottom-right-radius: 4px;
-}
-
-.message.bot {
-    align-self: flex-start;
-    background: #ffffff;
-    color: #212529;
-    border-bottom-left-radius: 4px;
-}
-
-.chat-input-area {
-    padding: 1.25rem;
-    background: rgba(255, 255, 255, 0.5);
-    border-top: 1px solid rgba(0, 0, 0, 0.05);
-}
-
-.chat-input-area form {
-    display: flex;
-    gap: 0.75rem;
-}
-
-.chat-input-area input {
-    flex: 1;
-    border: 1px solid rgba(0, 0, 0, 0.1);
-    border-radius: 12px;
-    padding: 0.75rem 1rem;
-    outline: none;
-    background: rgba(255, 255, 255, 0.9);
-    transition: all 0.3s ease;
-}
-
-.chat-input-area input:focus {
-    border-color: #23a6d5;
-    box-shadow: 0 0 0 3px rgba(35, 166, 213, 0.2);
-}
-
-.chat-input-area button {
-    background: #212529;
-    color: #fff;
-    border: none;
-    padding: 0.75rem 1.5rem;
-    border-radius: 12px;
-    cursor: pointer;
-    font-weight: 600;
-    transition: all 0.3s ease;
-}
-
-.chat-input-area button:hover {
-    background: #000;
-    transform: translateY(-2px);
-    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
-}
-
-/* Background Animations */
-.bg-animations {
-    position: fixed;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    z-index: 0;
-    overflow: hidden;
-    pointer-events: none;
-}
-
-.blob {
-    position: absolute;
-    width: 500px;
-    height: 500px;
-    background: rgba(255, 255, 255, 0.2);
-    border-radius: 50%;
-    filter: blur(80px);
-    animation: move 20s infinite alternate cubic-bezier(0.45, 0, 0.55, 1);
-}
-
-.blob-1 { 
-    top: -10%; 
-    left: -10%; 
-    background: rgba(238, 119, 82, 0.4); 
-}
-
-.blob-2 { 
-    bottom: -10%; 
-    right: -10%; 
-    background: rgba(35, 166, 213, 0.4); 
-    animation-delay: -7s; 
-    width: 600px;
-    height: 600px;
-}
-
-.blob-3 { 
-    top: 40%; 
-    left: 30%; 
-    background: rgba(231, 60, 126, 0.3); 
-    animation-delay: -14s; 
-    width: 450px;
-    height: 450px;
-}
-
-@keyframes move {
-    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
-    33% { transform: translate(150px, 100px) rotate(120deg) scale(1.1); }
-    66% { transform: translate(-50px, 200px) rotate(240deg) scale(0.9); }
-    100% { transform: translate(0, 0) rotate(360deg) scale(1); }
-}
-
-.header-link {
-    font-size: 14px;
-    color: #fff;
-    text-decoration: none;
-    background: rgba(0, 0, 0, 0.2);
-    padding: 0.5rem 1rem;
-    border-radius: 8px;
-    transition: all 0.3s ease;
-}
-
-.header-link:hover {
-    background: rgba(0, 0, 0, 0.4);
-    text-decoration: none;
-}
-
-/* Admin Styles */
-.admin-container {
-    max-width: 900px;
-    margin: 3rem auto;
-    padding: 2.5rem;
-    background: rgba(255, 255, 255, 0.85);
-    backdrop-filter: blur(20px);
-    -webkit-backdrop-filter: blur(20px);
-    border-radius: 24px;
-    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
-    border: 1px solid rgba(255, 255, 255, 0.4);
-    position: relative;
-    z-index: 1;
-}
-
-.admin-container h1 {
-    margin-top: 0;
-    color: #212529;
-    font-weight: 800;
-}
-
-.table {
-    width: 100%;
-    border-collapse: separate;
-    border-spacing: 0 8px;
-    margin-top: 1.5rem;
-}
-
-.table th {
-    background: transparent;
-    border: none;
-    padding: 1rem;
-    color: #6c757d;
-    font-weight: 600;
-    text-transform: uppercase;
-    font-size: 0.75rem;
-    letter-spacing: 1px;
-}
-
-.table td {
-    background: #fff;
-    padding: 1rem;
-    border: none;
-}
-
-.table tr td:first-child { border-radius: 12px 0 0 12px; }
-.table tr td:last-child { border-radius: 0 12px 12px 0; }
-
-.form-group {
-    margin-bottom: 1.25rem;
-}
-
-.form-group label {
-    display: block;
-    margin-bottom: 0.5rem;
-    font-weight: 600;
-    font-size: 0.9rem;
-}
-
-.form-control {
-    width: 100%;
-    padding: 0.75rem 1rem;
-    border: 1px solid rgba(0, 0, 0, 0.1);
-    border-radius: 12px;
-    background: #fff;
-    transition: all 0.3s ease;
-    box-sizing: border-box;
-}
-
-.form-control:focus {
-    outline: none;
-    border-color: #23a6d5;
-    box-shadow: 0 0 0 3px rgba(35, 166, 213, 0.1);
-}
-
-.header-container {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-}
-
-.header-links {
-    display: flex;
-    gap: 1rem;
-}
-
-.admin-card {
-    background: rgba(255, 255, 255, 0.6);
-    padding: 2rem;
-    border-radius: 20px;
-    border: 1px solid rgba(255, 255, 255, 0.5);
-    margin-bottom: 2.5rem;
-    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
-}
-
-.admin-card h3 {
-    margin-top: 0;
-    margin-bottom: 1.5rem;
-    font-weight: 700;
-}
-
-.btn-delete {
-    background: #dc3545;
-    color: white;
-    border: none;
-    padding: 0.25rem 0.5rem;
-    border-radius: 4px;
-    cursor: pointer;
-}
-
-.btn-add {
-    background: #212529;
-    color: white;
-    border: none;
-    padding: 0.5rem 1rem;
-    border-radius: 4px;
-    cursor: pointer;
-    margin-top: 1rem;
-}
-
-.btn-save {
-    background: #0088cc;
-    color: white;
-    border: none;
-    padding: 0.8rem 1.5rem;
-    border-radius: 12px;
-    cursor: pointer;
-    font-weight: 600;
-    width: 100%;
-    transition: all 0.3s ease;
-}
-
-.webhook-url {
-    font-size: 0.85em;
-    color: #555;
-    margin-top: 0.5rem;
-}
-
-.history-table-container {
-    overflow-x: auto;
-    background: rgba(255, 255, 255, 0.4);
-    padding: 1rem;
-    border-radius: 12px;
-    border: 1px solid rgba(255, 255, 255, 0.3);
-}
-
-.history-table {
-    width: 100%;
-}
-
-.history-table-time {
-    width: 15%;
-    white-space: nowrap;
-    font-size: 0.85em;
-    color: #555;
-}
-
-.history-table-user {
-    width: 35%;
-    background: rgba(255, 255, 255, 0.3);
-    border-radius: 8px;
-    padding: 8px;
-}
-
-.history-table-ai {
-    width: 50%;
-    background: rgba(255, 255, 255, 0.5);
-    border-radius: 8px;
-    padding: 8px;
-}
-
-.no-messages {
-    text-align: center;
-    color: #777;
-}
\ No newline at end of file
diff --git a/assets/images/quiz/q01-minsk.jpg b/assets/images/quiz/q01-minsk.jpg
new file mode 100644
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diff --git a/assets/images/quiz/q02-flag.jpg b/assets/images/quiz/q02-flag.jpg
new file mode 100644
index 0000000..a7ccb04
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diff --git a/assets/images/quiz/q03-lake.jpg b/assets/images/quiz/q03-lake.jpg
new file mode 100644
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diff --git a/assets/images/quiz/q04-bison.jpg b/assets/images/quiz/q04-bison.jpg
new file mode 100644
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diff --git a/assets/images/quiz/q05-forest.jpg b/assets/images/quiz/q05-forest.jpg
new file mode 100644
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diff --git a/assets/images/quiz/q06-vitebsk.jpg b/assets/images/quiz/q06-vitebsk.jpg
new file mode 100644
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diff --git a/assets/images/quiz/q07-cimbaly.jpg b/assets/images/quiz/q07-cimbaly.jpg
new file mode 100644
index 0000000..c69c274
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diff --git a/assets/images/quiz/q08-castle.jpg b/assets/images/quiz/q08-castle.jpg
new file mode 100644
index 0000000..9f93874
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diff --git a/assets/images/quiz/q09-river.jpg b/assets/images/quiz/q09-river.jpg
new file mode 100644
index 0000000..6c18918
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diff --git a/assets/images/quiz/q10-ornament.jpg b/assets/images/quiz/q10-ornament.jpg
new file mode 100644
index 0000000..7d49dc5
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diff --git a/assets/images/quiz/q11-polotsk.jpg b/assets/images/quiz/q11-polotsk.jpg
new file mode 100644
index 0000000..f5947b1
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diff --git a/assets/images/quiz/q12-kozinaki.jpg b/assets/images/quiz/q12-kozinaki.jpg
new file mode 100644
index 0000000..d93237d
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diff --git a/assets/js/main.js b/assets/js/main.js
index d349598..b54e9a1 100644
--- a/assets/js/main.js
+++ b/assets/js/main.js
@@ -1,39 +1,254 @@
-document.addEventListener('DOMContentLoaded', () => {
-    const chatForm = document.getElementById('chat-form');
-    const chatInput = document.getElementById('chat-input');
-    const chatMessages = document.getElementById('chat-messages');
+const quizData = [
+  {
+    question: "Столица Беларуси — это…",
+    options: ["Гродно", "Минск", "Витебск", "Гомель"],
+    answer: 1,
+    fact: "Минск — самый большой город страны и её главный культурный центр.",
+    imagePath: "assets/images/quiz/q01-minsk.jpg",
+    imageAlt: "Панорама Минска"
+  },
+  {
+    question: "Какие цвета есть на флаге Беларуси?",
+    options: ["Синий и жёлтый", "Белый и красный", "Красный и зелёный", "Белый и зелёный"],
+    answer: 2,
+    fact: "Красный и зелёный — основные цвета флага, а сбоку есть орнамент.",
+    imagePath: "assets/images/quiz/q02-flag.jpg",
+    imageAlt: "Флаг Беларуси"
+  },
+  {
+    question: "Самое большое озеро Беларуси называется…",
+    options: ["Нарочь", "Свитязь", "Дривяты", "Кромань"],
+    answer: 0,
+    fact: "Озеро Нарочь — любимое место отдыха и часть Нарачанского парка.",
+    imagePath: "assets/images/quiz/q03-lake.jpg",
+    imageAlt: "Озеро в Беларуси"
+  },
+  {
+    question: "Национальный символ животного Беларуси — это…",
+    options: ["Зубр", "Лось", "Медведь", "Лиса"],
+    answer: 0,
+    fact: "Зубр — редкое и сильное животное, живёт в Беловежской пуще.",
+    imagePath: "assets/images/quiz/q04-bison.jpg",
+    imageAlt: "Зубр"
+  },
+  {
+    question: "Как называется главный заповедник Беларуси?",
+    options: ["Беловежская пуща", "Березинский парк", "Браславские озёра", "Припятский парк"],
+    answer: 0,
+    fact: "Беловежская пуща — старинный лес, который охраняется ЮНЕСКО.",
+    imagePath: "assets/images/quiz/q05-forest.jpg",
+    imageAlt: "Лес Беловежской пущи"
+  },
+  {
+    question: "Какой город называют «северной столицей» Беларуси?",
+    options: ["Витебск", "Гомель", "Брест", "Полоцк"],
+    answer: 0,
+    fact: "Витебск — родина художника Марка Шагала.",
+    imagePath: "assets/images/quiz/q06-vitebsk.jpg",
+    imageAlt: "Город Витебск"
+  },
+  {
+    question: "Белорусский народный инструмент с кнопками — это…",
+    options: ["Цимбалы", "Скрипка", "Дудка", "Сопилка"],
+    answer: 0,
+    fact: "Цимбалы — струнный инструмент, по ним ударяют молоточками.",
+    imagePath: "assets/images/quiz/q07-cimbaly.jpg",
+    imageAlt: "Традиционный музыкальный инструмент"
+  },
+  {
+    question: "Какой замок стоит в городе Мир?",
+    options: ["Мирский замок", "Несвижский замок", "Лидский замок", "Гродненский замок"],
+    answer: 0,
+    fact: "Мирский замок — объект Всемирного наследия ЮНЕСКО.",
+    imagePath: "assets/images/quiz/q08-castle.jpg",
+    imageAlt: "Мирский замок"
+  },
+  {
+    question: "Главная река Беларуси — это…",
+    options: ["Западная Двина", "Днепр", "Нёман", "Припять"],
+    answer: 1,
+    fact: "Днепр проходит через южные регионы страны и впадает в Чёрное море.",
+    imagePath: "assets/images/quiz/q09-river.jpg",
+    imageAlt: "Река Днепр"
+  },
+  {
+    question: "Как называется традиционный белорусский узор на ткани?",
+    options: ["Орнамент", "Гжель", "Петриковская роспись", "Хохлома"],
+    answer: 0,
+    fact: "Белорусский орнамент часто украшает флаг и народные костюмы.",
+    imagePath: "assets/images/quiz/q10-ornament.jpg",
+    imageAlt: "Белорусский орнамент"
+  },
+  {
+    question: "Самый древний город Беларуси — это…",
+    options: ["Полоцк", "Минск", "Брест", "Могилёв"],
+    answer: 0,
+    fact: "Полоцк впервые упоминается в летописях в 862 году.",
+    imagePath: "assets/images/quiz/q11-polotsk.jpg",
+    imageAlt: "Город Полоцк"
+  },
+  {
+    question: "Как называется сладость из мёда и орехов, популярная в Беларуси?",
+    options: ["Пастила", "Печенье", "Козинаки", "Зефир"],
+    answer: 2,
+    fact: "Козинаки часто готовят из мёда и орехов.",
+    imagePath: "assets/images/quiz/q12-kozinaki.jpg",
+    imageAlt: "Козинаки"
+  }
+];
 
-    const appendMessage = (text, sender) => {
-        const msgDiv = document.createElement('div');
-        msgDiv.classList.add('message', sender);
-        msgDiv.textContent = text;
-        chatMessages.appendChild(msgDiv);
-        chatMessages.scrollTop = chatMessages.scrollHeight;
-    };
+const startBtn = document.getElementById("startQuizBtn");
+const quizSection = document.getElementById("quiz");
+const summarySection = document.getElementById("summary");
+const progressEl = document.getElementById("questionProgress");
+const questionText = document.getElementById("questionText");
+const optionList = document.getElementById("optionList");
+const totalQuestions = document.getElementById("totalQuestions");
+const classScore = document.getElementById("classScore");
+const revealBtn = document.getElementById("revealBtn");
+const nextBtn = document.getElementById("nextBtn");
+const answerArea = document.getElementById("answerArea");
+const answerImage = document.getElementById("answerImage");
+const correctAnswer = document.getElementById("correctAnswer");
+const factText = document.getElementById("factText");
+const answerResult = document.getElementById("answerResult");
+const finalScore = document.getElementById("finalScore");
+const summaryList = document.getElementById("summaryList");
+const restartBtn = document.getElementById("restartBtn");
 
-    chatForm.addEventListener('submit', async (e) => {
-        e.preventDefault();
-        const message = chatInput.value.trim();
-        if (!message) return;
+const state = {
+  index: 0,
+  score: 0,
+  revealed: false,
+  selectedOption: null
+};
 
-        appendMessage(message, 'visitor');
-        chatInput.value = '';
+totalQuestions.textContent = quizData.length.toString();
 
-        try {
-            const response = await fetch('api/chat.php', {
-                method: 'POST',
-                headers: { 'Content-Type': 'application/json' },
-                body: JSON.stringify({ message })
-            });
-            const data = await response.json();
-            
-            // Artificial delay for realism
-            setTimeout(() => {
-                appendMessage(data.reply, 'bot');
-            }, 500);
-        } catch (error) {
-            console.error('Error:', error);
-            appendMessage("Sorry, something went wrong. Please try again.", 'bot');
-        }
-    });
+function renderQuestion() {
+  const current = quizData[state.index];
+  progressEl.textContent = `Вопрос ${state.index + 1} из ${quizData.length}`;
+  questionText.textContent = current.question;
+  optionList.innerHTML = "";
+
+  current.options.forEach((option, idx) => {
+    const li = document.createElement("li");
+    li.className = "option-item";
+    li.setAttribute("role", "button");
+    li.setAttribute("tabindex", "0");
+    li.dataset.index = String(idx);
+
+    if (idx === state.selectedOption) {
+      li.classList.add("option-item-selected");
+    }
+
+    if (state.revealed) {
+      if (idx === current.answer) {
+        li.classList.add("option-item-correct");
+      } else if (idx === state.selectedOption) {
+        li.classList.add("option-item-wrong");
+      }
+    }
+
+    li.innerHTML = `<span class="option-index">${String.fromCharCode(65 + idx)}</span><span>${option}</span>`;
+    optionList.appendChild(li);
+  });
+
+  classScore.textContent = state.score.toString();
+  answerArea.classList.toggle("d-none", !state.revealed);
+  revealBtn.classList.toggle("d-none", state.revealed);
+  nextBtn.classList.toggle("d-none", !state.revealed);
+  revealBtn.disabled = state.selectedOption === null;
+
+  if (state.revealed) {
+    answerImage.src = current.imagePath;
+    answerImage.alt = current.imageAlt;
+    correctAnswer.textContent = current.options[current.answer];
+    factText.textContent = current.fact;
+    answerResult.textContent = state.selectedOption === current.answer
+      ? "Верно! +1 балл."
+      : "Немного не так. В следующий раз получится!";
+    answerResult.className = `mt-3 mb-0 fw-semibold ${state.selectedOption === current.answer ? "text-success" : "text-danger"}`;
+  }
+}
+
+function showSummary() {
+  quizSection.classList.add("d-none");
+  summarySection.classList.remove("d-none");
+  finalScore.textContent = `${state.score} из ${quizData.length}`;
+  summaryList.innerHTML = "";
+
+  quizData.forEach((item, idx) => {
+    const div = document.createElement("div");
+    div.className = "summary-item";
+    div.innerHTML = `
+      <img src="${item.imagePath}" alt="${item.imageAlt}" class="summary-image" loading="lazy" width="420" height="220">
+      <p class="fw-semibold mb-1">Вопрос ${idx + 1}: ${item.question}</p>
+      <p class="text-muted mb-1">Правильный ответ: ${item.options[item.answer]}</p>
+      <p class="text-muted mb-0">${item.fact}</p>
+    `;
+    summaryList.appendChild(div);
+  });
+}
+
+startBtn.addEventListener("click", () => {
+  quizSection.classList.remove("d-none");
+  summarySection.classList.add("d-none");
+  state.index = 0;
+  state.score = 0;
+  state.revealed = false;
+  state.selectedOption = null;
+  renderQuestion();
+  quizSection.scrollIntoView({ behavior: "smooth" });
+});
+
+revealBtn.addEventListener("click", () => {
+  if (state.selectedOption === null) return;
+  const current = quizData[state.index];
+  if (state.selectedOption === current.answer) {
+    state.score += 1;
+  }
+  state.revealed = true;
+  renderQuestion();
+});
+
+nextBtn.addEventListener("click", () => {
+  if (state.index < quizData.length - 1) {
+    state.index += 1;
+    state.revealed = false;
+    state.selectedOption = null;
+    renderQuestion();
+  } else {
+    showSummary();
+    summarySection.scrollIntoView({ behavior: "smooth" });
+  }
+});
+
+restartBtn.addEventListener("click", () => {
+  state.index = 0;
+  state.score = 0;
+  state.revealed = false;
+  state.selectedOption = null;
+  summarySection.classList.add("d-none");
+  quizSection.classList.remove("d-none");
+  renderQuestion();
+  quizSection.scrollIntoView({ behavior: "smooth" });
+});
+
+optionList.addEventListener("click", (event) => {
+  if (state.revealed) return;
+  const option = event.target.closest(".option-item");
+  if (!option) return;
+  state.selectedOption = Number(option.dataset.index);
+  renderQuestion();
+});
+
+optionList.addEventListener("keydown", (event) => {
+  if (state.revealed) return;
+  if (event.key !== "Enter" && event.key !== " ") return;
+  const option = event.target.closest(".option-item");
+  if (!option) return;
+  event.preventDefault();
+  state.selectedOption = Number(option.dataset.index);
+  renderQuestion();
 });
diff --git a/index.php b/index.php
index 7205f3d..9ab78f2 100644
--- a/index.php
+++ b/index.php
@@ -4,147 +4,165 @@ declare(strict_types=1);
 @error_reporting(E_ALL);
 @date_default_timezone_set('UTC');
 
-$phpVersion = PHP_VERSION;
 $now = date('Y-m-d H:i:s');
-?>
-<!doctype html>
-<html lang="en">
-<head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>New Style</title>
-<?php
-// Read project preview data from environment
 $projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? '';
 $projectImageUrl = $_SERVER['PROJECT_IMAGE_URL'] ?? '';
 ?>
+<!doctype html>
+<html lang="ru">
+<head>
+  <meta charset="utf-8" />
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <title>Викторина «Что я знаю о Беларуси»</title>
 <?php if ($projectDescription): ?>
-  <!-- Meta description -->
-  <meta name="description" content='<?= htmlspecialchars($projectDescription) ?>' />
-  <!-- Open Graph meta tags -->
+  <meta name="description" content="<?= htmlspecialchars($projectDescription) ?>" />
   <meta property="og:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-  <!-- Twitter meta tags -->
   <meta property="twitter:description" content="<?= htmlspecialchars($projectDescription) ?>" />
 <?php endif; ?>
 <?php if ($projectImageUrl): ?>
-  <!-- Open Graph image -->
   <meta property="og:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-  <!-- Twitter image -->
   <meta property="twitter:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
 <?php endif; ?>
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap" rel="stylesheet">
-  <style>
-    :root {
-      --bg-color-start: #6a11cb;
-      --bg-color-end: #2575fc;
-      --text-color: #ffffff;
-      --card-bg-color: rgba(255, 255, 255, 0.01);
-      --card-border-color: rgba(255, 255, 255, 0.1);
-    }
-    body {
-      margin: 0;
-      font-family: 'Inter', sans-serif;
-      background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-      color: var(--text-color);
-      display: flex;
-      justify-content: center;
-      align-items: center;
-      min-height: 100vh;
-      text-align: center;
-      overflow: hidden;
-      position: relative;
-    }
-    body::before {
-      content: '';
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 100%;
-      height: 100%;
-      background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M-10 10L110 10M10 -10L10 110" stroke-width="1" stroke="rgba(255,255,255,0.05)"/></svg>');
-      animation: bg-pan 20s linear infinite;
-      z-index: -1;
-    }
-    @keyframes bg-pan {
-      0% { background-position: 0% 0%; }
-      100% { background-position: 100% 100%; }
-    }
-    main {
-      padding: 2rem;
-    }
-    .card {
-      background: var(--card-bg-color);
-      border: 1px solid var(--card-border-color);
-      border-radius: 16px;
-      padding: 2rem;
-      backdrop-filter: blur(20px);
-      -webkit-backdrop-filter: blur(20px);
-      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
-    }
-    .loader {
-      margin: 1.25rem auto 1.25rem;
-      width: 48px;
-      height: 48px;
-      border: 3px solid rgba(255, 255, 255, 0.25);
-      border-top-color: #fff;
-      border-radius: 50%;
-      animation: spin 1s linear infinite;
-    }
-    @keyframes spin {
-      from { transform: rotate(0deg); }
-      to   { transform: rotate(360deg); }
-    }
-    .hint {
-      opacity: 0.9;
-    }
-    .sr-only {
-      position: absolute;
-      width: 1px; height: 1px;
-      padding: 0; margin: -1px;
-      overflow: hidden;
-      clip: rect(0, 0, 0, 0);
-      white-space: nowrap; border: 0;
-    }
-    h1 {
-      font-size: 3rem;
-      font-weight: 700;
-      margin: 0 0 1rem;
-      letter-spacing: -1px;
-    }
-    p {
-      margin: 0.5rem 0;
-      font-size: 1.1rem;
-    }
-    code {
-      background: rgba(0,0,0,0.2);
-      padding: 2px 6px;
-      border-radius: 4px;
-      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-    }
-    footer {
-      position: absolute;
-      bottom: 1rem;
-      font-size: 0.8rem;
-      opacity: 0.7;
-    }
-  </style>
+  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap" rel="stylesheet">
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+  <link href="assets/css/custom.css?v=<?= time(); ?>" rel="stylesheet">
 </head>
 <body>
-  <main>
-    <div class="card">
-      <h1>Analyzing your requirements and generating your website…</h1>
-      <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
-        <span class="sr-only">Loading…</span>
+  <header class="border-bottom bg-white sticky-top">
+    <nav class="navbar navbar-expand-lg navbar-light container py-3">
+      <a class="navbar-brand fw-semibold" href="/">Викторина «Беларусь»</a>
+      <div class="ms-auto d-flex gap-3 small text-muted">
+        <span class="d-none d-md-inline">Режим: ведущий</span>
+        <span>Обновлено: <?= htmlspecialchars($now) ?> (UTC)</span>
       </div>
-      <p class="hint"><?= ($_SERVER['HTTP_HOST'] ?? '') === 'appwizzy.com' ? 'AppWizzy' : 'Flatlogic' ?> AI is collecting your requirements and applying the first changes.</p>
-      <p class="hint">This page will update automatically as the plan is implemented.</p>
-      <p>Runtime: PHP <code><?= htmlspecialchars($phpVersion) ?></code> — UTC <code><?= htmlspecialchars($now) ?></code></p>
-    </div>
+    </nav>
+  </header>
+
+  <main class="container my-4 my-lg-5">
+    <section class="hero-card mb-4 mb-lg-5">
+      <div class="row g-4 align-items-center">
+        <div class="col-lg-7">
+          <p class="text-uppercase small text-muted mb-2">Интерактив для 5‑го класса</p>
+          <h1 class="display-6 fw-bold mb-3">Что я знаю о Беларуси</h1>
+          <p class="text-muted mb-4">
+            Быстрый сценарий для учителя: вопросы на экране, варианты ответов,
+            затем правильный ответ и короткий факт. Никаких аккаунтов и подготовки.
+          </p>
+          <div class="d-flex flex-wrap gap-2">
+            <button id="startQuizBtn" class="btn btn-primary btn-lg">Начать викторину</button>
+            <a href="#guide" class="btn btn-outline-secondary btn-lg">Как проводить</a>
+          </div>
+        </div>
+        <div class="col-lg-5">
+          <div class="stat-stack p-4">
+            <div class="d-flex justify-content-between align-items-center border-bottom pb-3 mb-3">
+              <span class="text-muted">Вопросов</span>
+              <span class="fw-semibold" id="totalQuestions">12</span>
+            </div>
+            <div class="d-flex justify-content-between align-items-center border-bottom pb-3 mb-3">
+              <span class="text-muted">Темы</span>
+              <span class="fw-semibold">символы • география • культура</span>
+            </div>
+            <div class="d-flex justify-content-between align-items-center">
+              <span class="text-muted">Длительность</span>
+              <span class="fw-semibold">15–25 минут</span>
+            </div>
+          </div>
+        </div>
+      </div>
+    </section>
+
+    <section id="quiz" class="quiz-card mb-4 mb-lg-5 d-none">
+      <div class="d-flex flex-wrap align-items-center justify-content-between gap-3 mb-3">
+        <div>
+          <p class="text-muted small mb-1">Прогресс</p>
+          <h2 class="h5 mb-0" id="questionProgress">Вопрос 1 из 12</h2>
+        </div>
+        <div class="score-badge">
+          <span class="text-muted small">Счёт класса</span>
+          <span class="fs-4 fw-semibold" id="classScore">0</span>
+        </div>
+      </div>
+
+      <div class="question-area">
+        <div class="question-label text-uppercase small text-muted mb-2">Вопрос</div>
+        <h3 class="h4 mb-3" id="questionText">Готовы?</h3>
+        <ul class="list-unstyled option-list" id="optionList"></ul>
+      </div>
+
+      <div class="answer-area mt-4 d-none" id="answerArea">
+        <div class="alert alert-light border" role="status">
+          <div class="d-flex flex-column flex-lg-row gap-3 align-items-start">
+            <figure class="answer-figure mb-0">
+              <img id="answerImage" src="" alt="" class="answer-image" loading="lazy" width="560" height="320">
+            </figure>
+            <div class="w-100">
+              <div class="answer-pill mb-2">Правильный ответ</div>
+              <p class="mb-1 fw-semibold" id="correctAnswer"></p>
+              <p class="mb-0 text-muted" id="factText"></p>
+            </div>
+          </div>
+        </div>
+        <p class="mt-3 mb-0 fw-semibold" id="answerResult"></p>
+      </div>
+
+      <div class="d-flex flex-wrap gap-2 mt-4">
+        <button class="btn btn-dark" id="revealBtn">Показать ответ</button>
+        <button class="btn btn-outline-dark d-none" id="nextBtn">Следующий вопрос</button>
+      </div>
+    </section>
+
+    <section id="summary" class="quiz-card d-none">
+      <div class="d-flex flex-column flex-lg-row justify-content-between align-items-start gap-3 mb-3">
+        <div>
+          <p class="text-muted small mb-1">Итоги викторины</p>
+          <h2 class="h4 mb-0">Класс набрал <span id="finalScore">0</span> баллов</h2>
+        </div>
+        <button class="btn btn-outline-primary" id="restartBtn">Пройти ещё раз</button>
+      </div>
+      <div class="alert alert-light border" role="status">
+        <p class="mb-2 fw-semibold">Правильные ответы и факты</p>
+        <div id="summaryList" class="summary-list"></div>
+      </div>
+    </section>
+
+    <section id="guide" class="mb-5">
+      <div class="row g-4">
+        <div class="col-lg-6">
+          <article class="info-card">
+            <h2 class="h5 fw-semibold mb-3">Сценарий для учителя</h2>
+            <ol class="text-muted">
+              <li>Нажмите «Начать викторину» и выводите вопросы на экран.</li>
+              <li>Дайте детям 20–30 секунд на обсуждение.</li>
+              <li>Выберите вариант ответа, затем нажмите «Показать ответ».</li>
+              <li>В конце покажите итоги и обсудите факты.</li>
+            </ol>
+          </article>
+        </div>
+        <div class="col-lg-6">
+          <article class="info-card">
+            <h2 class="h5 fw-semibold mb-3">Подсказки</h2>
+            <ul class="text-muted mb-0">
+              <li>Можно вести счёт по рядам или командам, используя «Счёт класса».</li>
+              <li>Если нужно, остановите викторину и обсудите факт дня.</li>
+              <li>Вопросы можно заменить прямо в <code>assets/js/main.js</code>.</li>
+            </ul>
+          </article>
+        </div>
+      </div>
+    </section>
   </main>
-  <footer>
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
+
+  <footer class="border-top bg-white">
+    <div class="container py-4 small text-muted d-flex flex-wrap justify-content-between gap-2">
+      <span>Викторина для показа на экране.</span>
+      <span>Сделано для урока в 5‑м классе.</span>
+    </div>
   </footer>
+
+  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js" defer></script>
+  <script src="assets/js/main.js?v=<?= time(); ?>" defer></script>
 </body>
 </html>