body {
  font-family: Arial, sans-serif;
  background-color: #f0f8ff;
  margin: 0;
  padding: 0;
}

header {
  background-color: #004080;
  color: white;
  padding: 20px 0;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

nav {
  margin-top: 10px;
}

.main-menu {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

.main-menu li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  padding: 8px 12px;
  border-radius: 5px;
  background-color: #0066cc;
}

.main-menu li a:hover {
  background-color: #0050a3;
}

main {
  padding: 30px;
  max-width: 1000px;
  margin: auto;
}

section {
  margin-bottom: 40px;
}

.lesson-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: flex-start;
}

.lesson-card {
  background-color: white;
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 20px;
  width: 300px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: left;
  text-decoration: none;
  color: #333;
  transition: transform 0.2s ease;
}

.lesson-card:hover {
  transform: scale(1.03);
  border-color: #0077cc;
}

.coming-soon {
  color: #777;
  font-style: italic;
}
🗂️ Folder Structure (Scalable Format)
swift
Copy
Edit
/public_html/website_6093e9f7/
├── index.html               ← homepage
├── styles.css               ← shared site-wide
├── science/
│   └── gravity/
│       ├── index.html
│       ├── styles.css
│       ├── script.js
│       └── images/
│           ├── earth-bg.jpg
│           └── moon-bg.jpg
├── (future folders: reading/, math/, etc.)