:root { --primary: #2c3e50; --secondary: #3498db; --bg: #f4f7f6; --text: #333; --white: #ffffff;}* { box-sizing: border-box; margin: 0; padding: 0; }.container { max-width: 1000px; margin: 0 auto; padding: 20px;}section { background: var(--white); margin-bottom: 30px; padding: 25px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05);}h2 { color: var(--primary); border-bottom: 3px solid var(--secondary); display: inline-block; margin-bottom: 20px; text-transform: uppercase; font-size: 1.3rem;}.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 20px; }.card { background: #f9f9f9; padding: 20px; border-left: 5px solid var(--secondary); border-radius: 4px;}.skills-matrix { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px;}.skill-col { flex: 1; min-width: 250px; }.skill-col h4 { color: var(--secondary); margin-bottom: 10px; }.skill-col ul { list-style: none; }.skill-col li::before { content: "▹ "; color: var(--secondary); font-weight: bold; }.exp-item { margin-bottom: 25px; }.exp-item h3 { color: var(--primary); font-size: 1.1rem; margin-bottom: 10px; background: #eee; padding: 5px 10px; }.exp-item ul { margin-left: 20px; }@media (max-width: 768px) {  .grid-2 { grid-template-columns: 1fr; }}