*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #000000;--secondary-color: #ffffff;--accent-color: #ff6b00;--text-dark: #1a1a1a;--text-light: #666666;--bg-light: #f8f8f8;--bg-white: #ffffff}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--text-dark);line-height:1.6;overflow-x:hidden}html{scroll-behavior:smooth}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:14px 32px;background-color:var(--primary-color);color:var(--secondary-color);text-decoration:none;border:none;cursor:pointer;font-weight:600;font-size:16px;transition:all .3s ease;text-transform:uppercase;letter-spacing:.5px}.btn:hover{background-color:var(--accent-color);transform:translateY(-2px)}.btn.btn-outline{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn.btn-outline:hover{background-color:var(--primary-color);color:var(--secondary-color)}.section{padding:80px 0}.section-title{font-size:48px;font-weight:700;margin-bottom:20px;line-height:1.2}.section-subtitle{font-size:20px;color:var(--text-light);margin-bottom:40px}@media (max-width: 768px){.section{padding:60px 0}.section-title{font-size:36px}.section-subtitle{font-size:18px}}