:root{--primary-blue: #004aad;--secondary-blue: #0073e6;--accent-orange: #ff7f00;--whatsapp-green: #25d366;--text-dark: #333333;--text-light: #666666;--bg-light: #e6f7ff;--white: #ffffff;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--radius-md: 8px}html{scroll-behavior:smooth}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text-dark);line-height:1.5}a{text-decoration:none;color:inherit}ul{list-style:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:opacity .2s;border:none}.btn:hover{opacity:.9}.btn-primary{background-color:var(--primary-blue);color:var(--white)}.btn-accent{background-color:var(--accent-orange);color:var(--white)}.btn-whatsapp{background-color:var(--whatsapp-green);color:var(--white)}section{padding:60px 0}h2{font-size:2rem;color:var(--primary-blue);text-align:center;margin-bottom:40px;position:relative}h2:after{content:"";display:block;width:60px;height:3px;background:var(--bg-light);margin:10px auto 0}