:root{--primary: #000000;--secondary: #ffffff;--accent: #FF5A5F;--text: #333333;--light-gray: #f5f5f5;--dark-bg: #0a0a0a;--section-padding: 100px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,sans-serif;color:var(--text);line-height:1.6;background-color:var(--secondary)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}section{padding:var(--section-padding) 0}h1,h2,h3,h4{font-weight:700;line-height:1.2}.btn{display:inline-block;padding:12px 30px;background-color:var(--primary);color:var(--secondary);border:none;border-radius:4px;font-weight:500;cursor:pointer;transition:all .3s ease}.btn:hover{background-color:var(--accent);transform:translateY(-2px)}.btn :is(-outline){background:transparent;border:1px solid var(--primary);color:var(--primary)}.btn :is(-outline):hover{background-color:var(--primary);color:var(--secondary)}@media (max-width: 768px){:root{--section-padding: 60px}.container{padding:0 15px}}