:root{--primary: #3498db;--primary-color: #2c3e50;--primary-light: #ff3131;--success-color: #27ae60;--transition: all .3s ease;--secondary: #2c3e50;--dark: #1a1a2e;--light: #f8f9fa;--white: #ffffff;--shadow: 0 4px 12px rgba(0, 0, 0, .1);--primary-dark: #2c3e50;--secondary-color: #3498db;--accent-color: #e74c3c;--light-color: #ecf0f1;--dark-color: #2c3e50;--text-color: #333;--text-light: #7f8c8d;--white: #fff;--black: #000;--warning-color: #f39c12;--danger-color: #e74c3c;--border-radius: 8px;--box-shadow: 0 5px 15px rgba(0, 0, 0, .1);--font-family: "Roboto", sans-serif;--font-size: 16px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:var(--text-color);line-height:1.6;background-color:#f9f9f9}.container{width:90%;max-width:1200px;margin:0 auto;padding:0 15px}section{padding:80px 0}h1,h2,h3,h4,h5,h6{margin-bottom:20px;font-weight:700;color:var(--dark-color)}p{margin-bottom:15px}a{text-decoration:none;color:var(--secondary-color);transition:var(--transition)}a:hover{color:var(--primary-color)}img{max-width:100%;height:auto}.btn{display:inline-block;padding:12px 24px;border-radius:var(--border-radius);font-weight:600;text-align:center;cursor:pointer;transition:var(--transition);border:none}.btn-primary{background-color:var(--secondary-color);color:var(--white)}.btn-primary:hover{background-color:#2980b9;transform:translateY(-3px);box-shadow:var(--box-shadow)}.btn-secondary{background-color:var(--accent-color);color:var(--white)}.btn-secondary:hover{background-color:#c0392b;transform:translateY(-3px);box-shadow:var(--box-shadow)}.btn-outline{background-color:transparent;border:2px solid var(--secondary-color);color:var(--secondary-color)}.btn-outline:hover{background-color:var(--secondary-color);color:var(--white)}.btn-large{padding:15px 30px;font-size:1.1rem}.section-title{text-align:center;font-size:2.5rem;position:relative;padding-bottom:20px}.section-title:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:80px;height:4px;background-color:var(--secondary-color)}.section-subtitle{text-align:center;color:var(--text-light);margin-bottom:50px;font-size:1.1rem}