*{margin:0;padding:0;box-sizing:border-box}:root{--primary-blue: #667eea;--secondary-blue: #764ba2;--light-blue: #e0e7ff;--dark-blue: #4c51bf;--light-gray: #f5f7fa;--medium-gray: #718096;--dark-gray: #2d3748;--light-gray-border: #e2e8f0;--white: #ffffff;--shadow: rgba(0, 0, 0, .1);--shadow-dark: rgba(0, 0, 0, .2)}html{scroll-behavior:smooth}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--dark-gray);background-color:var(--white)}.container{max-width:1200px;margin:0 auto;padding:0 20px}img{max-width:100%;height:auto;display:block}section{padding:100px 0}.section-header{text-align:center;margin-bottom:60px}.section-title{font-size:42px;font-weight:700;color:var(--dark-gray);margin-bottom:15px}.section-subtitle{font-size:18px;color:var(--medium-gray);max-width:600px;margin:0 auto}.btn{display:inline-block;padding:15px 35px;border-radius:50px;text-decoration:none;font-weight:600;font-size:16px;transition:all .3s ease;border:2px solid transparent;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--primary-blue),var(--secondary-blue));color:var(--white);border:none}.btn-primary:hover{background:linear-gradient(135deg,var(--secondary-blue),var(--primary-blue));transform:translateY(-2px);box-shadow:0 5px 15px #667eea66}.btn-secondary{background:transparent;color:var(--primary-blue);border-color:var(--primary-blue)}.btn-secondary:hover{background:var(--primary-blue);color:var(--white);transform:translateY(-2px)}.btn-full{width:100%}@media (max-width: 768px){section{padding:60px 0}.section-title{font-size:32px}.section-subtitle{font-size:16px}}@media (max-width: 480px){.section-title{font-size:28px}}