:root{--verde-principal: #0e2a47;--verde-secundario: #1a3e5f;--branco: #FFFFFF;--cinza-claro: #F5F5F5;--texto-escuro: #333333;--hover-verde: #0a1f35}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;color:var(--texto-escuro);background-color:var(--branco);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background-color:var(--verde-principal);color:var(--branco);padding:15px 0;position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px #0000001a}.header-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}.logo-container{display:flex;align-items:center;gap:15px}.logo{height:50px;width:auto}.logo-text{font-size:24px;font-weight:700}.header-buttons{display:flex;gap:15px;align-items:center}.btn-header{background-color:var(--verde-secundario);color:var(--branco);padding:10px 20px;border:none;border-radius:5px;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s ease;text-decoration:none;display:inline-block}.btn-header:hover{background-color:var(--hover-verde);transform:translateY(-2px);box-shadow:0 4px 8px #0003}.quote-badge{background-color:#f44;color:#fff;border-radius:50%;padding:2px 6px;font-size:12px;margin-left:5px}.hero{background:linear-gradient(135deg,var(--verde-principal) 0%,var(--verde-secundario) 100%);color:var(--branco);padding:60px 0;text-align:center}.hero h1{font-size:42px;margin-bottom:15px;font-weight:700}.hero p{font-size:18px;opacity:.95}.categories{background-color:var(--cinza-claro);padding:40px 0;text-align:center}.categories h2{font-size:32px;color:var(--verde-principal);margin-bottom:30px}.category-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:15px}.category-btn{background-color:var(--branco);color:var(--verde-principal);border:2px solid var(--verde-principal);padding:10px 25px;border-radius:25px;cursor:pointer;font-size:16px;font-weight:600;transition:all .3s ease}.category-btn:hover,.category-btn.active{background-color:var(--verde-secundario);color:var(--branco);border-color:var(--verde-secundario);transform:scale(1.05)}.products-section{padding:60px 0;background-color:var(--branco)}.products-section h2{text-align:center;font-size:32px;color:var(--verde-principal);margin-bottom:40px}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:30px}.product-card{background-color:var(--branco);border-radius:10px;overflow:hidden;box-shadow:0 4px 6px #0000001a;transition:all .3s ease;display:flex;flex-direction:column}.product-card:hover{transform:translateY(-8px);box-shadow:0 8px 16px #00000026}.product-image-container{width:100%;height:280px;background-color:var(--cinza-claro);display:flex;align-items:center;justify-content:center;overflow:hidden}.product-image{width:100%;height:100%;object-fit:contain;transition:opacity .3s ease}.product-image.loading{opacity:0}.product-image.loaded{opacity:1}.product-info{padding:20px;flex-grow:1;display:flex;flex-direction:column}.product-category{color:var(--verde-secundario);font-size:12px;font-weight:600;text-transform:uppercase;margin-bottom:8px}.product-name{font-size:18px;font-weight:700;color:var(--texto-escuro);margin-bottom:8px}.product-code{font-size:14px;color:#666;margin-bottom:10px}.product-description{font-size:14px;color:#666;margin-bottom:20px;flex-grow:1}.btn-add-quote{background-color:var(--verde-secundario);color:var(--branco);border:none;padding:12px 20px;border-radius:5px;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s ease;width:100%}.btn-add-quote:hover{background-color:var(--hover-verde)}.btn-add-quote:active{transform:scale(.98)}.whatsapp-float{position:fixed;bottom:20px;right:20px;background-color:#25d366;color:var(--branco);width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:32px;box-shadow:0 4px 12px #0000004d;cursor:pointer;transition:all .3s ease;z-index:999;text-decoration:none}.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 16px #0006}.quote-panel{position:fixed;bottom:90px;right:20px;background-color:var(--branco);border-radius:10px;box-shadow:0 4px 20px #0003;padding:20px;max-width:350px;width:calc(100% - 40px);max-height:400px;overflow-y:auto;z-index:998;display:none}.quote-panel.show{display:block;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.quote-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;border-bottom:2px solid var(--verde-principal);padding-bottom:10px}.quote-header h3{color:var(--verde-principal);font-size:18px}.close-quote{background:none;border:none;font-size:24px;cursor:pointer;color:var(--texto-escuro)}.quote-items{margin-bottom:15px}.quote-item{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--cinza-claro)}.quote-item-name{font-size:14px;color:var(--texto-escuro);flex-grow:1}.remove-item{background:none;border:none;color:#f44;cursor:pointer;font-size:18px;padding:0 5px}.quote-empty{text-align:center;color:#999;padding:20px}.btn-send-quote{background-color:#25d366;color:var(--branco);border:none;padding:12px 20px;border-radius:5px;cursor:pointer;font-size:16px;font-weight:600;width:100%;transition:all .3s ease}.btn-send-quote:hover{background-color:#1fb855}.btn-send-quote:disabled{background-color:#ccc;cursor:not-allowed}footer{background-color:var(--verde-principal);color:var(--branco);padding:40px 0 20px;text-align:center}.footer-content{margin-bottom:20px}.footer-content h3{font-size:24px;margin-bottom:15px}.footer-content p{opacity:.9;margin-bottom:10px}.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding-top:20px;opacity:.8;font-size:14px}@media (max-width: 768px){.header-content{justify-content:center;text-align:center;gap:15px}.logo-text{font-size:20px}.hero h1{font-size:32px}.hero p{font-size:16px}.products-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.quote-panel{bottom:90px;right:10px;left:10px;width:calc(100% - 20px);max-width:none}.whatsapp-float{bottom:15px;right:15px}}@media (max-width: 480px){.products-grid{grid-template-columns:1fr}.category-filters{flex-direction:column;align-items:stretch}.category-btn{width:100%}}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}