:root{--primary-color:#036;--secondary-color:#00a8e8;--accent-color:#0c9;--text-color:#333;--bg-color:#fff;--light-gray:#f5f5f5;--border-color:#e0e0e0;--white:#fff;--max-width:1200px}*{box-sizing:border-box;padding:0;margin:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;color:var(--text-color);background-color:var(--bg-color);line-height:1.6}a{text-decoration:none;color:inherit}ul{list-style:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}header{background:var(--white);box-shadow:0 2px 10px rgba(0,0,0,.1);padding:1rem 0;position:-webkit-sticky;position:sticky;top:0;z-index:1000}nav{justify-content:space-between}.logo,nav{display:flex;align-items:center}.logo{font-weight:700;font-size:1.5rem;color:var(--primary-color);gap:10px}.nav-links{display:flex;gap:2rem}.nav-links a:hover{color:var(--secondary-color)}.btn-whatsapp{background-color:#25d366;color:#fff;padding:.5rem 1rem;border-radius:5px;display:flex;align-items:center;gap:8px;font-weight:600;transition:background .3s}.btn-whatsapp:hover{background-color:#128c7e}footer{background:var(--primary-color);color:var(--white);padding:4rem 0 2rem;margin-top:4rem}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:2rem;gap:2rem;margin-bottom:2rem}.footer-bottom{border-top:1px solid hsla(0,0%,100%,.1);padding-top:2rem;text-align:center;font-size:.9rem}.hero{padding:6rem 0;background:linear-gradient(135deg,#f0f4f8,#d9e2ec);text-align:center}.hero h1{font-size:3.5rem;color:var(--primary-color);margin-bottom:1.5rem}.hero p{font-size:1.2rem;max-width:800px;margin:0 auto 2rem}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:2rem;gap:2rem;padding:2rem 0}.product-card{border:1px solid var(--border-color);border-radius:10px;overflow:hidden;transition:transform .3s,box-shadow .3s;background:#fff}.product-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,.1)}.product-image{width:100%;height:250px;object-fit:cover;background-color:#f9f9f9}.product-info{padding:1.5rem}.product-title{font-size:1.25rem;font-weight:700;margin-bottom:.5rem;color:var(--primary-color)}.whatsapp-fab{position:fixed;bottom:30px;right:30px;background-color:#25d366;color:#fff;width:60px;height:60px;border-radius:50%;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 15px rgba(0,0,0,.3);z-index:1000;transition:transform .3s}.whatsapp-fab:hover{transform:scale(1.1)}@media (max-width:768px){.nav-links{display:none}.hero h1{font-size:2.5rem}}