:root{--primary-blue:#0056b3;--hover-blue:#003d82;--whatsapp-green:#25d366;--light-grey:#f4f6f8;--dark-text:#333;--white:#fff;--font-main:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);color:var(--dark-text);-webkit-font-smoothing:antialiased;line-height:1.6}h1,h2,h3,h4{font-weight:700;line-height:1.2}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;gap:8px;padding:14px 28px;font-size:1.1rem;font-weight:600;transition:all .3s;display:inline-flex}.btn-primary{background-color:var(--primary-blue);color:var(--white)}.btn-primary:hover{background-color:var(--hover-blue);transform:translateY(-2px)}.btn-whatsapp{background-color:var(--whatsapp-green);color:var(--white)}.btn-whatsapp:hover{background-color:#1fb855;transform:translateY(-2px)}.btn-outline{border:2px solid var(--primary-blue);color:var(--primary-blue);background-color:#0000}.btn-outline:hover{background-color:var(--primary-blue);color:var(--white)}.section{padding:60px 0}.section-grey{background-color:var(--light-grey)}.section-title{text-align:center;color:var(--dark-text);margin-bottom:40px;font-size:2.2rem}.section-subtitle{text-align:center;color:#666;max-width:600px;margin-bottom:50px;margin-left:auto;margin-right:auto}.grid-2{grid-template-columns:repeat(2,1fr);gap:30px;display:grid}.grid-3{grid-template-columns:repeat(3,1fr);gap:30px;display:grid}@media (width<=768px){.section{padding:40px 0}.section-title{font-size:1.8rem}.grid-2,.grid-3{grid-template-columns:1fr}.btn{width:100%;padding:12px 20px;font-size:1rem}.hero-buttons{flex-direction:column}}