:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Roboto,Segoe UI,sans-serif;color:#333;line-height:1.6;overflow-x:hidden}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 10px}a{text-decoration:none;color:inherit}ul{list-style:none}img{max-width:100%;height:auto}.section-header{text-align:center;margin-bottom:40px}.section-header h2{font-size:2.5rem;margin-bottom:15px}.divider{width:80px;height:4px;margin:0 auto 20px;border-radius:2px}.page-header{background:linear-gradient(#000000b3,#000000b3),url(${banner1});background-size:cover;background-position:center;padding:120px 0 80px;color:#fff;text-align:center}.page-header h1{font-size:3.5rem;margin-bottom:15px}.page-header p{font-size:1.3rem;opacity:.9}.app{--primary: #c62828;--primary-dark: #8e0000;--primary-light: #ff5f52;--secondary: #1a3a6c;--accent: #e53935;--light: #f8f9fa;--dark: #212529;--gray: #6c757d;--light-gray: #e9ecef;--border-radius: 8px;--box-shadow: 0 5px 15px rgba(0, 0, 0, .1);--transition: all .3s ease}.blue-theme{--primary: #1565c0;--primary-dark: #003c8f;--primary-light: #5e92f3;--accent: #1e88e5}.green-theme{--primary: #2e7d32;--primary-dark: #005005;--primary-light: #60ad5e;--accent: #43a047}.nav{position:fixed;top:0;left:0;width:100%;background:#fff;box-shadow:0 2px 10px #0000001a;z-index:1000;transition:var(--transition)}.nav.scrolled{box-shadow:0 5px 20px #0000001a}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:15px 15px 15px 0}.logo-container{display:flex;align-items:center}.logo-container img{height:60px;margin-right:15px}.logo-text{display:flex;flex-direction:column}.logo-text span:first-child{font-weight:800;font-size:1.4rem;color:var(--primary);line-height:1}.logo-text span:last-child{font-weight:600;font-size:1rem;color:var(--secondary)}.nav-links{display:flex;align-items:center}.nav-links a{margin-left:30px;font-weight:600;transition:var(--transition);position:relative}.nav-links a:hover{color:var(--primary)}.nav-links a:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--primary);transition:var(--transition)}.nav-links a:hover:after{width:100%}.theme-selector{margin-left:40px;display:flex;align-items:center;gap:10px}.theme-btn{width:25px;height:25px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:var(--transition)}.theme-btn.active{border-color:var(--dark);transform:scale(1.1)}.theme-btn.red{background:#c62828}.theme-btn.blue{background:#1565c0}.theme-btn.green{background:#2e7d32}.hamburger{display:none;cursor:pointer}.hamburger .line{width:25px;height:3px;background:var(--dark);margin:5px 0;transition:var(--transition)}.hero-slider{position:relative;height:90vh;overflow:hidden;margin-top:90px}.slide{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;transition:opacity 1s ease;display:flex;align-items:center}.slide.active{opacity:1}.slide-overlay{background:#0009;color:#fff;padding:40px;max-width:700px;margin-left:10%;border-radius:var(--border-radius)}.slide-overlay h1{font-size:3.5rem;margin-bottom:20px;line-height:1.2}.slide-overlay p{font-size:1.4rem;margin-bottom:30px}.cta-btn{display:inline-block;padding:14px 35px;background:var(--primary);color:#fff;border-radius:var(--border-radius);font-weight:600;transition:var(--transition);border:none;cursor:pointer;font-size:1.1rem;text-align:center}.contact-content .cta-btn{display:flex;align-items:center;justify-content:center;height:100%}.cta-btn:hover{background:var(--primary-dark);transform:translateY(-3px);box-shadow:0 5px 15px #0003}.slider-indicators{position:absolute;bottom:30px;left:50%;transform:translate(-50%);display:flex}.indicator{width:12px;height:12px;border-radius:50%;background:#ffffff80;margin:0 8px;cursor:pointer;transition:var(--transition);border:none}.indicator.active{background:#fff;transform:scale(1.2)}.about-preview{padding:100px 0;background:var(--light)}.about-content{display:flex;align-items:center;gap:50px}.about-text{flex:1}.about-text p{margin-bottom:25px;font-size:1.1rem;line-height:1.8}.learn-more{color:var(--primary);font-weight:600;display:inline-flex;align-items:center}.learn-more:after{content:"→";margin-left:5px;transition:var(--transition)}.learn-more:hover:after{margin-left:10px}.about-image{flex:1}.image-frame{position:relative;padding-top:75%;overflow:hidden;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.image-frame img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.featured-products{padding:100px 0;background:#fff}.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.product-card{display:flex;flex-direction:column;background:#fff;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:var(--transition)}.product-image{position:relative;padding-top:75%;overflow:hidden}.product-image img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:var(--transition)}.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#1a3a6ccc;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition)}.product-card:hover .overlay{opacity:1}.view-details{color:#fff;text-decoration:none;font-weight:600;border:2px solid white;padding:8px 20px;border-radius:30px;transition:var(--transition)}.view-details:hover{background:#fff;color:var(--primary)}.product-card h3{padding:20px 20px 10px;font-size:1.3rem;color:var(--primary);text-align:center}.product-link{display:inline-block;padding:0 20px 20px;color:var(--accent);text-decoration:none;font-weight:600;width:100%;text-align:center}.contact-preview{padding:100px 0;background:var(--light)}.contact-content{background:#fff;border-radius:var(--border-radius);padding:50px;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;box-shadow:var(--box-shadow)}.contact-text h2{font-size:2.2rem;margin-bottom:15px;color:var(--primary)}.contact-text p{font-size:1.1rem;max-width:500px}.contact-actions{display:flex;gap:20px}.whatsapp-btn{display:inline-flex;align-items:center;padding:14px 30px;background:#25d366;color:#fff;border-radius:var(--border-radius);font-weight:600;transition:var(--transition);border:none;cursor:pointer}.whatsapp-btn:hover{background:#128c7e;transform:translateY(-3px);box-shadow:0 5px 15px #0003}.about-page{padding:60px 0}.about-details{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-bottom:60px}.about-history h2,.about-values h2{font-size:2rem;margin-bottom:30px;color:var(--primary)}.about-history p{margin-bottom:30px;font-size:1.1rem;line-height:1.8}.milestones{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:30px}.milestone{background:var(--light);padding:20px;border-radius:var(--border-radius);border-left:4px solid var(--accent)}.year{font-size:1.8rem;font-weight:700;color:var(--primary);margin-bottom:5px}.values-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.value-card{background:#fff;padding:25px;border-radius:var(--border-radius);box-shadow:var(--box-shadow);transition:var(--transition)}.value-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px #0000001a}.value-card h3{color:var(--primary);margin-bottom:15px;font-size:1.3rem}.products-page{padding:60px 0}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:40px}.product-card{display:flex;background:#fff;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:var(--transition)}.product-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px #00000026}.product-image{flex:1;min-width:200px}.product-image img{width:100%;height:100%;object-fit:cover}.product-details{flex:1;padding:25px}.product-details h3{color:var(--primary);margin-bottom:15px;font-size:1.4rem}.product-details p{margin-bottom:20px;color:var(--gray)}.product-details ul{margin-bottom:25px;padding-left:20px}.product-details li{margin-bottom:8px;position:relative;padding-left:20px}.product-details li:before{content:"•";position:absolute;left:0;color:var(--primary)}.product-actions{display:flex;justify-content:space-between}.detail-btn{background:var(--primary);color:#fff;border:none;padding:10px 20px;border-radius:var(--border-radius);cursor:pointer;font-weight:600;transition:var(--transition)}.detail-btn:hover{background:var(--primary-dark)}.whatsapp-btn{background:#25d366;color:#fff;border:none;padding:10px 20px;border-radius:var(--border-radius);cursor:pointer;font-weight:600;transition:var(--transition)}.whatsapp-btn:hover{background:#128c7e}.gallery-page{padding:60px 0}.gallery-controls{margin-bottom:40px}.gallery-filters{display:flex;flex-wrap:wrap;gap:15px;justify-content:center}.filter-btn{background:var(--light);border:1px solid var(--light-gray);padding:10px 20px;border-radius:30px;cursor:pointer;transition:var(--transition);font-weight:600}.filter-btn:hover,.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:25px}.gallery-item{position:relative;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);cursor:pointer;aspect-ratio:4/3}.gallery-item img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}.gallery-item:hover img{transform:scale(1.1)}.item-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0009;display:flex;align-items:flex-end;padding:20px;opacity:0;transition:var(--transition)}.gallery-item:hover .item-overlay{opacity:1}.item-info{color:#fff}.item-info h4{margin-bottom:5px}.lightbox{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e6;z-index:10000;display:flex;align-items:center;justify-content:center}.lightbox-content{position:relative;max-width:90%;max-height:90%}.lightbox-content img{max-width:100%;max-height:80vh;border-radius:var(--border-radius)}.lightbox-title{color:#fff;text-align:center;margin-top:15px;font-size:1.2rem}.nitrogen-plant-page{padding:60px 0}.product-hero{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-bottom:60px}.product-images{display:flex;flex-direction:column}.main-image{border-radius:var(--border-radius);overflow:hidden;margin-bottom:20px;box-shadow:var(--box-shadow)}.main-image img{width:100%;height:auto;display:block}.thumbnails{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.thumbnails img{width:100%;height:150px;object-fit:cover;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);box-shadow:var(--box-shadow)}.thumbnails img:hover{transform:translateY(-5px)}.product-summary h2{font-size:2.2rem;color:var(--primary);margin-bottom:20px}.product-summary p{margin-bottom:30px;font-size:1.1rem;line-height:1.8}.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin-bottom:30px}.spec-item{display:flex;justify-content:space-between;padding:15px;background:var(--light);border-radius:var(--border-radius)}.spec-label{font-weight:600}.spec-value{color:var(--primary);font-weight:700}.cta-buttons{display:flex;gap:15px}.primary-btn{background:var(--primary);color:#fff;border:none;padding:12px 30px;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition)}.primary-btn:hover{background:var(--primary-dark)}.secondary-btn{background:var(--secondary);color:#fff;border:none;padding:12px 30px;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition)}.secondary-btn:hover{background:#2a5a8c}.product-features{margin-bottom:60px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.feature-card{background:#fff;padding:30px;border-radius:var(--border-radius);box-shadow:var(--box-shadow);text-align:center;transition:var(--transition)}.feature-card:hover{transform:translateY(-10px)}.feature-icon{font-size:2.5rem;margin-bottom:20px;color:var(--primary)}.feature-card h3{margin-bottom:15px;font-size:1.3rem;color:var(--primary)}.product-applications{margin-bottom:60px}.applications-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.application-item{background:var(--light);padding:20px;text-align:center;border-radius:var(--border-radius);font-weight:600;border-left:4px solid var(--accent)}.contact-page{padding:60px 0}.contact-container{display:grid;grid-template-columns:1fr 1fr;gap:50px}.contact-info h2{font-size:2rem;margin-bottom:30px;color:var(--primary)}.contact-info p{margin-bottom:30px;font-size:1.1rem}.detail-item{display:flex;margin-bottom:30px}.detail-icon{font-size:1.8rem;margin-right:20px;color:var(--primary)}.detail-item h4{margin-bottom:10px;font-size:1.2rem}.detail-item a{color:var(--accent);text-decoration:none;font-weight:600}.contact-form{background:#fff;padding:40px;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.contact-form h2{font-size:1.8rem;margin-bottom:30px;color:var(--primary)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 15px;border:1px solid var(--light-gray);border-radius:var(--border-radius);font-family:inherit;font-size:1rem;transition:var(--transition)}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #1a3a6c1a}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.submit-btn{background:var(--primary);color:#fff;border:none;padding:15px 30px;border-radius:var(--border-radius);font-weight:600;cursor:pointer;width:100%;font-size:1.1rem;transition:var(--transition)}.submit-btn:hover{background:var(--primary-dark)}.site-footer{background-color:#e0e0e0;color:#000;padding:60px 0 0}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:60px}.footer-grid>:nth-child(4){transform:scale(1.05)}.footer-about h3{font-size:1.4rem;margin-bottom:15px}.footer-about p{margin-bottom:20px;opacity:.8}.footer-logo{display:flex;align-items:center;margin-bottom:20px}.footer-logo img{height:50px;margin-right:15px}.footer-links h4,.footer-products h4,.footer-contact h4{font-size:1.3rem;margin-bottom:20px;position:relative;padding-bottom:10px}.footer-links h4:after,.footer-products h4:after,.footer-contact h4:after{content:"";position:absolute;bottom:0;left:0;width:50px;height:3px;background:var(--accent)}.footer-links ul,.footer-products ul{list-style:none}.footer-links li,.footer-products li{margin-bottom:12px}.footer-links a,.footer-products a{color:#000;text-decoration:none;transition:var(--transition)}.footer-links a:hover,.footer-products a:hover{color:#000;padding-left:5px}.footer-contact li{margin-bottom:15px;display:flex;align-items:flex-start}.footer-contact li:before{content:"•";margin-right:10px;color:var(--accent)}.footer-bottom{border-top:1px solid rgb(255,255,255);padding:25px 0;text-align:center;font-size:.9rem;opacity:.7}@media (max-width: 992px){.about-content,.contact-container,.product-hero{grid-template-columns:1fr}.about-image{order:-1}.slide-overlay{margin:0 auto;max-width:90%}}@media (max-width: 768px){.nav-links{position:fixed;top:90px;left:0;background:#fff;width:100%;flex-direction:column;padding:20px 0;box-shadow:0 10px 10px #0000001a;transform:translateY(-150%);transition:var(--transition)}.nav-links.open{transform:translateY(0)}.nav-links a{margin:0;padding:15px 30px;width:100%}.theme-selector{margin:20px 0 0 30px}.hamburger{display:block}.hero-slider{height:70vh}.slide-overlay h1{font-size:2.2rem}.section-header h2{font-size:2rem}.footer-grid{gap:30px}}@media (max-width: 576px){.form-row{grid-template-columns:1fr}.page-header h1{font-size:2.5rem}.hero-slider{height:60vh}.slide-overlay{padding:20px}.footer-bottom{flex-direction:column;gap:15px;text-align:center}}