:root{--color-primary: #b98829;--color-primary-hover: #edd47a;--color-accent: #e0b652;--color-accent-hover: #f5e293;--color-bg-darkest: #0B0E14;--color-bg-darker: #111622;--color-bg-dark: #1A202E;--color-bg-glass: rgba(26, 32, 46, .7);--color-border: rgba(185, 136, 41, .15);--color-border-hover: rgba(185, 136, 41, .4);--color-text-light: #F4F6F8;--color-text-muted: #9EADB8;--color-text-dark: #1E2530;--color-success: #4CAF50;--color-warning: #FFC107;--color-error: #FF5252;--shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, .2);--shadow-md: 0 10px 15px -3px rgba(0, 0, 0, .3);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px rgba(185, 136, 41, .25);--transition-fast: .2s ease;--transition-normal: .3s ease;--transition-slow: .5s ease;--container-max-width: 1200px;--header-height: 80px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Inter,sans-serif;background-color:var(--color-bg-darkest);color:var(--color-text-light);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:Montserrat,sans-serif;font-weight:700;line-height:1.3;color:var(--color-text-light)}a{color:inherit;text-decoration:none;transition:color var(--transition-fast)}ul{list-style:none}img{max-width:100%;height:auto;display:block}::selection{background-color:var(--color-primary);color:var(--color-bg-darkest)}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--color-bg-darkest)}::-webkit-scrollbar-thumb{background:var(--color-bg-dark);border:2px solid var(--color-bg-darkest);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--color-primary)}.container{width:100%;max-width:var(--container-max-width);margin-right:auto;margin-left:auto;padding-right:1.5rem;padding-left:1.5rem}.container-narrow{max-width:800px}.section{padding:6.5rem 0;position:relative}.bg-darkest{background-color:var(--color-bg-darkest)}.bg-darker{background-color:var(--color-bg-darker)}.bg-dark{background-color:var(--color-bg-dark)}.grid{display:grid;gap:2rem}.grid-2-cols,.grid-3-cols{grid-template-columns:1fr}@media (min-width: 768px){.grid-2-cols{grid-template-columns:repeat(2,1fr)}.grid-3-cols{grid-template-columns:repeat(3,1fr)}}.align-center{align-items:center}.gap-md{gap:2rem}.gap-lg{gap:4rem}.text-center{text-align:center}.text-gradient{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.text-accent{color:var(--color-primary)}.text-muted{color:var(--color-text-muted)}.text-error{color:var(--color-error)}.text-warning{color:var(--color-warning)}.text-success{color:var(--color-success)}.lead{font-size:1.25rem;line-height:1.7;margin-bottom:1.5rem}.mr-2{margin-right:.5rem}.ml-2{margin-left:.5rem}.mb-md{margin-bottom:2rem}.mb-lg{margin-bottom:4rem}.rounded{border-radius:8px}.shadow-lg{box-shadow:var(--shadow-lg)}.divider{height:4px;width:60px;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-accent) 100%);border-radius:2px;margin-bottom:2rem}.divider.mx-auto{margin-left:auto;margin-right:auto}.section-tag{display:inline-block;font-family:Montserrat,sans-serif;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--color-primary);margin-bottom:.75rem}.section-title{font-size:2.25rem;margin-bottom:1rem}.section-subtitle{font-size:1.15rem;color:var(--color-text-muted);max-width:700px;margin-left:auto;margin-right:auto}.glow-effect{position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,#b9882914,#b9882900 70%);z-index:1;pointer-events:none}.glow-effect.top-right{top:-10%;right:-5%}.glow-effect.bottom-left{bottom:-10%;left:-5%}.btn{display:inline-flex;align-items:center;justify-content:center;font-family:Montserrat,sans-serif;font-weight:600;border-radius:4px;padding:.8rem 1.6rem;cursor:pointer;transition:all var(--transition-fast) ease-in-out;border:2px solid transparent;font-size:.95rem}.btn-lg{padding:1rem 2rem;font-size:1.05rem}.btn-sm{padding:.5rem 1.1rem;font-size:.85rem}.btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,#E69D00 100%);color:var(--color-bg-darkest);box-shadow:var(--shadow-sm)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-glow);background:linear-gradient(135deg,#FFC107 0%,var(--color-primary) 100%)}.btn-outline{background-color:transparent;border-color:var(--color-primary);color:var(--color-primary)}.btn-outline:hover{background-color:#ffb30014;transform:translateY(-2px);box-shadow:0 5px 15px #ffb3001a}.btn-full{width:100%}.header{position:fixed;top:0;left:0;width:100%;height:var(--header-height);background-color:#0b0e14bf;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,179,0,.08);z-index:1000;transition:all var(--transition-normal)}.header.scrolled{height:70px;background-color:#0b0e14f2;box-shadow:var(--shadow-md)}.header-container{display:flex;justify-content:space-between;align-items:center;height:100%}.logo-container{display:flex;align-items:center;gap:.75rem}.logo-img{height:42px;width:auto}.logo-text{font-family:Montserrat,sans-serif;font-size:1.5rem;font-weight:800;color:var(--color-text-light);letter-spacing:-.5px}.logo-accent{color:var(--color-primary)}.nav-menu ul{display:flex;align-items:center;gap:1.5rem}.nav-link{font-family:Montserrat,sans-serif;font-size:.9rem;font-weight:500;color:var(--color-text-muted);position:relative;padding:.5rem 0}.nav-link:hover,.nav-link.active{color:var(--color-primary)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--color-primary);transition:width var(--transition-fast)}.nav-link:hover:after,.nav-link.active:after{width:100%}.menu-toggle{display:none;background:none;border:none;color:var(--color-text-light);font-size:1.5rem;cursor:pointer;padding:.5rem;transition:color var(--transition-fast)}.menu-toggle:hover{color:var(--color-primary)}@media (max-width: 991px){.menu-toggle{display:block}.nav-menu{position:fixed;top:var(--header-height);right:-100%;width:280px;height:calc(100vh - var(--header-height));background-color:var(--color-bg-darker);border-left:1px solid var(--color-border);padding:2rem 1.5rem;transition:right var(--transition-normal) cubic-bezier(.77,0,.175,1);box-shadow:var(--shadow-lg)}.nav-menu.open{right:0}.nav-menu ul{flex-direction:column;align-items:flex-start;gap:2rem}.nav-menu ul li{width:100%}.nav-link{font-size:1.1rem;display:block;width:100%}.btn-nav{display:block;text-align:center}}.hero{height:100vh;min-height:600px;display:flex;align-items:center;position:relative;background-image:linear-gradient(#0b0e14b3,#0b0e14d9),url(/assets/empresa_refineria-nG8WxG3w.png);background-size:cover;background-position:center;background-attachment:fixed;padding-top:var(--header-height)}.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 70% 30%,#b9882914,#0b0e1400 60%);pointer-events:none}.hero-container{position:relative;z-index:10}.hero-content{max-width:750px}.badge{display:inline-flex;align-items:center;background-color:#ffb3001a;border:1px solid var(--color-border);color:var(--color-primary);padding:.5rem 1rem;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:1.5rem;letter-spacing:.5px;box-shadow:var(--shadow-sm)}.badge i{margin-right:.5rem}.hero-title{font-size:2.75rem;font-weight:800;letter-spacing:-1px;margin-bottom:1.5rem;line-height:1.2}@media (min-width: 768px){.hero-title{font-size:4rem}}.hero-subtitle{font-size:1.2rem;color:var(--color-text-muted);margin-bottom:2.5rem;line-height:1.6}.hero-actions{display:flex;flex-wrap:wrap;gap:1rem}.scroll-indicator{position:absolute;bottom:2.5rem;left:50%;transform:translate(-50%);z-index:10;opacity:.7;transition:opacity var(--transition-fast)}.scroll-indicator:hover{opacity:1}.mouse-icon{width:26px;height:44px;border:2px solid var(--color-text-muted);border-radius:15px;display:block;position:relative}.wheel{width:4px;height:8px;background-color:var(--color-primary);border-radius:2px;position:absolute;top:6px;left:50%;transform:translate(-50%);animation:scrollWheel 1.5s infinite}@keyframes scrollWheel{0%{top:6px;opacity:0}30%{opacity:1}to{top:22px;opacity:0}}.image-wrapper{position:relative;display:inline-block;width:100%}.img-responsive{width:100%;height:auto;object-fit:cover}.img-grayscale{filter:contrast(1.1) brightness(.85);border:1px solid rgba(255,255,255,.05)}.image-experience-badge{position:absolute;bottom:-1.5rem;right:1.5rem;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-accent) 100%);color:var(--color-bg-darkest);padding:1.25rem 1.75rem;border-radius:4px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:1rem;border:1px solid rgba(255,255,255,.1);z-index:10}.image-experience-badge .years{font-family:Montserrat,sans-serif;font-size:2.5rem;font-weight:800;line-height:1}.image-experience-badge .text{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;line-height:1.2}@media (max-width: 767px){.section-image-container{margin-bottom:2.5rem}.image-experience-badge{bottom:-1rem;right:1rem;padding:.8rem 1.2rem}.image-experience-badge .years{font-size:1.8rem}}.card{background-color:var(--color-bg-dark);border:1px solid var(--color-border);border-radius:4px;padding:2.5rem;transition:all var(--transition-normal);position:relative;overflow:hidden;box-shadow:var(--shadow-sm);z-index:2}.card:before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-accent) 100%);opacity:0;transition:opacity var(--transition-normal)}.card:hover{transform:translateY(-8px);border-color:var(--color-border-hover);box-shadow:var(--shadow-lg),var(--shadow-glow)}.card:hover:before{opacity:1}.card-icon-container{width:60px;height:60px;background-color:#ffb30014;border-radius:4px;display:flex;align-items:center;justify-content:center;margin-bottom:1.75rem;border:1px solid rgba(255,179,0,.15);transition:all var(--transition-fast)}.card:hover .card-icon-container{background-color:var(--color-primary);border-color:var(--color-primary)}.icon-service{font-size:1.6rem;color:var(--color-primary);transition:color var(--transition-fast)}.card:hover .icon-service{color:var(--color-bg-darkest)}.card-title{font-size:1.25rem;margin-bottom:1rem}.card-description{font-size:.95rem;color:var(--color-text-muted);margin-bottom:1.5rem}.card-features{border-top:1px solid rgba(255,255,255,.05);padding-top:1.25rem}.card-features li{font-size:.85rem;color:var(--color-text-light);display:flex;align-items:center;margin-bottom:.5rem}.cases-showcase-container{max-width:1100px;margin:0 auto}.cases-tabs{display:flex;justify-content:center;margin-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.05);padding-bottom:1px}.tab-btn{background:none;border:none;font-family:Montserrat,sans-serif;font-size:1rem;font-weight:600;color:var(--color-text-muted);padding:1rem 2rem;cursor:pointer;position:relative;transition:color var(--transition-fast)}.tab-btn.active,.tab-btn:hover{color:var(--color-primary)}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:2px;background-color:var(--color-primary)}.case-item{display:none;opacity:0;transition:opacity var(--transition-slow)}.case-item.active{display:block;opacity:1}.case-grid{display:grid;grid-template-columns:1fr;gap:3rem;background-color:var(--color-bg-darker);border:1px solid var(--color-border);border-radius:4px;padding:2rem;box-shadow:var(--shadow-md)}@media (min-width: 992px){.case-grid{grid-template-columns:1.2fr 1fr;padding:3rem}}.case-gallery-container{display:flex;flex-direction:column;gap:1.5rem}.gallery-tabs{display:grid;grid-template-columns:repeat(3,1fr);background-color:var(--color-bg-darkest);padding:.4rem;border-radius:4px;border:1px solid rgba(255,255,255,.05)}.gallery-tab-btn{background:none;border:none;font-family:Montserrat,sans-serif;font-size:.8rem;font-weight:600;color:var(--color-text-muted);padding:.6rem .5rem;border-radius:2px;cursor:pointer;transition:all var(--transition-fast);text-align:center}.gallery-tab-btn:hover{color:var(--color-text-light)}.gallery-tab-btn.active{background-color:var(--color-bg-dark);color:var(--color-primary);box-shadow:var(--shadow-sm)}.gallery-images{position:relative;border-radius:4px;overflow:hidden;height:350px;border:1px solid rgba(255,255,255,.05)}.gallery-img-wrapper{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;z-index:1;transition:opacity var(--transition-slow) ease-in-out}.gallery-img-wrapper.active{opacity:1;z-index:2}.gallery-img-wrapper img{width:100%;height:100%;object-fit:cover}.thumbnail-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;margin-top:.75rem}.thumb-img{width:100%;height:65px;object-fit:cover;border-radius:4px;cursor:pointer;border:2px solid rgba(255,255,255,.05);opacity:.5;transition:all var(--transition-fast)}.thumb-img:hover{opacity:.85;border-color:var(--color-primary)}.thumb-img.active{opacity:1;border-color:var(--color-primary);box-shadow:0 0 8px #b988294d}.image-phase-tag{position:absolute;top:1rem;left:1rem;padding:.4rem .8rem;border-radius:2px;font-family:Montserrat,sans-serif;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;z-index:10;box-shadow:var(--shadow-md)}.image-phase-tag.before{background-color:var(--color-error);color:#fff}.image-phase-tag.during{background-color:var(--color-warning);color:var(--color-bg-darkest)}.image-phase-tag.after{background-color:var(--color-success);color:#fff}.case-details h3{font-size:1.75rem;margin-top:.5rem;margin-bottom:1.25rem}.project-tag{font-family:Montserrat,sans-serif;font-size:.75rem;font-weight:700;color:var(--color-primary);text-transform:uppercase;letter-spacing:1.5px}.project-desc{color:var(--color-text-muted);margin-bottom:2rem;font-size:.95rem}.project-steps{position:relative;margin-bottom:2.5rem;border-left:2px solid rgba(255,179,0,.1);padding-left:1.5rem}.step-desc-item{display:none}.step-desc-item.active{display:block;animation:fadeIn .5s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translate(5px)}to{opacity:1;transform:translate(0)}}.step-desc-item h4{font-size:1.1rem;margin-bottom:.5rem}.step-desc-item p{font-size:.9rem;color:var(--color-text-muted)}.case-stats{display:none;grid-template-columns:repeat(3,1fr);gap:1rem;border-top:1px solid rgba(255,255,255,.05);padding-top:1.75rem}.stat-item{text-align:center}.stat-num{display:block;font-family:Montserrat,sans-serif;font-size:1.5rem;font-weight:800;color:var(--color-primary);line-height:1.2}.stat-lbl{font-size:.75rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.5px}.philosophy-card{padding:3rem 2rem;display:flex;flex-direction:column;align-items:center}.card-header-accent{position:absolute;top:0;left:0;width:100%;height:4px}.card-header-accent.border-yellow{background-color:var(--color-primary)}.card-header-accent.border-orange{background-color:var(--color-accent)}.card-header-accent.border-blue{background-color:#2196f3}.card-icon-round{width:70px;height:70px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;box-shadow:var(--shadow-sm)}.card-icon-round.bg-yellow{background-color:#ffb3001a;border:1px solid rgba(255,179,0,.2)}.card-icon-round.bg-orange{background-color:#ff57221a;border:1px solid rgba(255,87,34,.2)}.card-icon-round.bg-blue{background-color:#2196f31a;border:1px solid rgba(33,150,243,.2)}.icon-philosophy{font-size:1.8rem}.bg-yellow .icon-philosophy{color:var(--color-primary)}.bg-orange .icon-philosophy{color:var(--color-accent)}.bg-blue .icon-philosophy{color:#2196f3}.contact-info-list{display:flex;flex-direction:column;gap:2rem;margin-top:2rem}.contact-info-item{display:flex;gap:1.25rem}.info-icon{flex-shrink:0;width:50px;height:50px;border-radius:4px;background-color:#ffb30014;border:1px solid rgba(255,179,0,.15);display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:var(--color-primary)}.info-details h4{font-size:1.05rem;margin-bottom:.25rem}.info-details p{font-size:.95rem;color:var(--color-text-muted)}.info-details a:hover{color:var(--color-primary)}.map-container{height:450px;border:1px solid rgba(255,179,0,.15)}.form-card{padding:3rem;border:1px solid var(--color-border);background-color:var(--color-bg-darker)}.contact-form{display:flex;flex-direction:column;gap:1.5rem}.form-row{display:grid;grid-template-columns:1fr;gap:1.5rem}@media (min-width: 768px){.form-row{grid-template-columns:1fr 1fr}}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-family:Montserrat,sans-serif;font-size:.85rem;font-weight:600;color:var(--color-text-light)}.form-group input,.form-group select,.form-group textarea{background-color:var(--color-bg-darkest);border:1px solid rgba(255,255,255,.08);color:var(--color-text-light);padding:.8rem 1rem;border-radius:4px;font-family:Inter,sans-serif;font-size:.95rem;transition:all var(--transition-fast)}.form-group input::placeholder,.form-group textarea::placeholder{color:#5a6a80}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #ffb3001a;background-color:#1a202e4d}.form-group select{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FFB300' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:1rem;padding-right:2.5rem}.form-group select option{background-color:var(--color-bg-darker);color:var(--color-text-light)}.form-status{padding:1rem;border-radius:4px;font-size:.9rem;font-weight:500;display:none;margin-top:1rem;text-align:center}.form-status.success{display:block;background-color:#4caf501a;border:1px solid var(--color-success);color:var(--color-success)}.form-status.error{display:block;background-color:#ff52521a;border:1px solid var(--color-error);color:var(--color-error)}.footer{background-color:var(--color-bg-darkest);border-top:1px solid rgba(255,179,0,.08);padding:5rem 0 0}.footer-container{display:grid;grid-template-columns:1fr;gap:3rem;padding-bottom:4rem}@media (min-width: 768px){.footer-container{grid-template-columns:2fr 1fr 1fr}}.footer-brand .logo{display:inline-block;margin-bottom:1.5rem}.footer-desc{font-size:.9rem;max-width:400px;margin-bottom:1.75rem}.social-links{display:flex;gap:1rem}.social-links a{width:40px;height:40px;border-radius:4px;background-color:var(--color-bg-darker);border:1px solid rgba(255,255,255,.05);display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--color-text-muted);transition:all var(--transition-fast)}.social-links a:hover{color:var(--color-bg-darkest);background-color:var(--color-primary);border-color:var(--color-primary);transform:translateY(-3px)}.footer-links h4,.footer-hours h4{font-size:1.1rem;margin-bottom:1.5rem;position:relative}.footer-links h4:after,.footer-hours h4:after{content:"";position:absolute;bottom:-6px;left:0;width:30px;height:2px;background-color:var(--color-primary)}.footer-links ul{display:flex;flex-direction:column;gap:.75rem}.footer-links ul a{font-size:.9rem;color:var(--color-text-muted)}.footer-links ul a:hover{color:var(--color-primary);padding-left:5px}.footer-hours p{font-size:.9rem;margin-bottom:1rem}.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding:2rem 0;background-color:#080a0e}.footer-bottom-container{display:flex;flex-direction:column;justify-content:space-between;align-items:center;gap:1rem;font-size:.85rem;color:var(--color-text-muted)}@media (min-width: 768px){.footer-bottom-container{flex-direction:row}}