:root{--primary-color: #0f172a;--secondary-color: #f97316;--background-color: #f8fafc;--text-color: #334155;--text-light: #64748b;--white: #ffffff;--max-width: 1200px;--header-height: 80px;--font-family: "Inter", sans-serif;--transition: all .3s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}ul{list-style:none}button{cursor:pointer;border:none;font-family:inherit}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:12px 24px;border-radius:6px;font-weight:600;transition:var(--transition);text-align:center}.btn-primary{background-color:var(--secondary-color);color:var(--white)}.btn-primary:hover{background-color:#ea580c;transform:translateY(-2px)}.btn-secondary{background-color:transparent;border:2px solid var(--white);color:var(--white)}.btn-secondary:hover{background-color:var(--white);color:var(--primary-color)}.section-title{font-size:2.5rem;font-weight:700;color:var(--primary-color);margin-bottom:1rem;text-align:center}.section-subtitle{text-align:center;color:var(--text-light);max-width:600px;margin:0 auto 3rem}section{padding:80px 0}