:root{--primary-green: #42b093;--primary-green-dark: #37967d;--primary-green-light: #8fd1bc;--primary-blue: #5b8cc4;--primary-blue-dark: #4a78ab;--primary-blue-light: #8eb3db;--white: #ffffff;--text-dark: #333333;--light-gray: #f5f7f8}body{margin:0;font-family:Arial,sans-serif;color:var(--text-dark);background-color:var(--white)}.container{max-width:1200px;margin:0 auto}.whatsapp-button{position:fixed;bottom:20px;right:20px;background-color:#25d366;color:#fff;text-decoration:none;padding:14px 20px;border-radius:50px;font-weight:600;box-shadow:0 4px 12px #0003;z-index:9999}.whatsapp-button:hover{background-color:#20ba5a}