:root{--bg-color:#f8f9fa;--dark-bg:#121212;--white:#ffffff;--gray-100:#f1f3f5;--gray-200:#e9ecef;--gray-300:#dee2e6;--gray-400:#ced4da;--gray-500:#adb5bd;--gray-600:#6c757d;--gray-700:#495057;--gray-800:#343a40;--gray-900:#212529;--black:#000000;--accent-red:#ff3b5c;--accent-orange:#ff8d3f;--accent-yellow:#ffd43b;--accent-green:#52c41a;--accent-blue:#1890ff;--accent-indigo:#4263eb;--accent-purple:#7950f2;--text-primary:var(--gray-900);--text-secondary:var(--gray-700);--text-light:var(--white);--card-shadow:0 10px 30px rgba(0,0,0,.08);--card-shadow-hover:0 15px 35px rgba(0,0,0,.12);--transition:all .3s ease;--border-radius:16px;--border-radius-sm:8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--bg-color);color:var(--text-primary);line-height:1.6}::-webkit-scrollbar{width:12px;background-color:transparent}::-webkit-scrollbar-thumb{background-color:var(--gray-300);border-radius:10px;height:2px}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 2rem}header{background-color:var(--white);box-shadow:0 2px 10px rgba(0,0,0,.05);padding:1rem 0;position:sticky;top:0;z-index:100}header .container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.75rem}.logo-icon img{width:60px;height:60px}.logo h1{font-size:1.5rem;font-weight:700;color:var(--gray-900)}nav{display:flex;gap:2rem}nav a{text-decoration:none;color:var(--gray-600);font-weight:500;transition:var(--transition);padding:.5rem 0;position:relative}nav a:hover{color:var(--gray-900)}nav a.active{color:var(--gray-900)}nav a.active::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--accent-red),var(--accent-orange),var(--accent-yellow),var(--accent-green),var(--accent-blue),var(--accent-indigo),var(--accent-purple));border-radius:2px}.about-section{padding:5rem 0;background:linear-gradient(180deg,var(--white) 0%,var(--gray-100) 100%)}.about-section h2{font-size:2.5rem;font-weight:700;margin-bottom:2rem;color:var(--text-primary);position:relative;padding-bottom:1rem}.about-section h2::after{content:'';position:absolute;bottom:0;left:0;width:80px;height:4px;background:linear-gradient(90deg,var(--accent-blue),var(--accent-indigo),var(--accent-purple),var(--accent-red));border-radius:2px}.about-section p{font-size:1.125rem;color:var(--text-secondary);margin-bottom:1.5rem;max-width:800px}footer{background-color:var(--gray-900);color:var(--gray-400);padding:2rem 0}footer .container{display:flex;justify-content:space-between;align-items:center}.footer-content{display:flex;justify-content:space-between;align-items:center;width:100%;padding:1.5rem 0}.footer-copyright{display:flex;flex-direction:column;gap:.5rem}.footer-links{display:flex;gap:1.5rem}.footer-links a{color:var(--gray-500);text-decoration:none;transition:color .2s ease;position:relative}.footer-links a:hover{color:var(--gray-300)}.footer-links a.active{color:var(--gray-300)}@media (max-width:768px){.about-section h2{font-size:2rem}.about-section p{font-size:1rem}footer .container{flex-direction:column;gap:1rem}}@media (max-width:576px){nav{display:none}.about-section{padding:3rem 0}}