:root{--primary-color: #0066cc;--secondary-color: #00a8e8;--accent-color: #ff6b35;--dark-bg: #1a1a1a;--light-bg: #f5f5f5;--text-dark: #333333;--text-light: #666666;--border-color: #e0e0e0;--success-color: #28a745;--error-color: #dc3545}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Poppins,sans-serif;color:var(--text-dark);line-height:1.6;background-color:#fff}html{scroll-behavior:smooth}button{font-family:Poppins,sans-serif;cursor:pointer;border:none;transition:all .3s ease}input,textarea,select{font-family:Poppins,sans-serif}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{padding:12px 30px;border-radius:5px;font-weight:600;transition:all .3s ease;text-decoration:none;display:inline-block}.btn.btn-primary{background-color:var(--primary-color);color:#fff}.btn.btn-primary:hover{background-color:#0052a3;transform:translateY(-2px);box-shadow:0 4px 12px #0066cc4d}.btn.btn-secondary{background-color:var(--accent-color);color:#fff}.btn.btn-secondary:hover{background-color:#e55a2a;transform:translateY(-2px);box-shadow:0 4px 12px #ff6b354d}.btn.btn-outline{border:2px solid var(--primary-color);color:var(--primary-color);background-color:transparent}.btn.btn-outline:hover{background-color:var(--primary-color);color:#fff}.section{padding:80px 0}.section.dark{background-color:var(--dark-bg);color:#fff}.section.light{background-color:var(--light-bg)}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:50px;text-align:center}.section-title:after{content:"";display:block;width:100px;height:4px;background-color:var(--accent-color);margin:20px auto 0}@media (max-width: 768px){.section{padding:50px 0}.section-title{font-size:2rem}}