:root{--oilers-teal:#2a5a5a;--oilers-teal-dark:#1e4242;--oilers-teal-light:#3d7a7a;--oilers-tagline:#ccc;--oilers-white:#f5f5f5;--oilers-black:#0a0a0a;--font-sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-sans);background-color:var(--oilers-white);color:var(--oilers-black);line-height:1.6}h1,h2,h3,h4{color:var(--oilers-teal-dark);font-weight:700;line-height:1.2}a{color:var(--oilers-teal);text-decoration:none}a:hover{color:var(--oilers-teal-light);text-decoration:underline}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.header{background:#252323;padding:.75rem 0;position:-webkit-sticky;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.2);transition:padding .25s ease,box-shadow .25s ease}.header--compact{padding:.4rem 0;box-shadow:0 1px 6px rgba(0,0,0,.3)}.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem}.logo-link{display:block}.logo-img{height:auto;max-height:56px;width:auto;max-width:100%;object-fit:contain;transition:max-height .25s ease}.header--compact .logo-img{max-height:40px}@media (max-width:768px){.logo-img{max-height:48px}.header--compact .logo-img{max-height:36px}}@media (max-width:480px){.logo-img{max-height:42px}.header--compact .logo-img{max-height:32px}}.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:1.5rem}.nav-list a{color:var(--oilers-tagline);font-weight:600;text-decoration:none}.nav-list a:hover{color:#fff;text-decoration:none}.section{padding:4rem 0}.section-alt{background:linear-gradient(180deg,#e8f0f0 0,var(--oilers-white) 100%)}.section-title{text-align:center;font-size:clamp(1.75rem,4vw,2.5rem);margin-bottom:2rem}.btn{display:inline-block;padding:.75rem 1.5rem;background:var(--oilers-teal);font-weight:600;border:none;border-radius:6px;transition:background .2s}.btn,.btn:hover{color:#fff!important;text-decoration:none}.btn:hover{background:var(--oilers-teal-light)}.footer{background:#252323;color:var(--oilers-tagline);padding:3rem 0 1.5rem;margin-top:4rem}.footer-inner{display:grid;grid-gap:1.5rem;gap:1.5rem;text-align:center}.footer-name{font-size:1.25rem;font-weight:700;color:#fff;margin:0 0 .25rem}.footer-tagline{margin:0 0 1rem;font-size:.95rem;color:var(--oilers-teal-light)}.footer-links{display:flex;justify-content:center;gap:1.5rem}.footer-links a{color:var(--oilers-tagline);text-decoration:none}.footer-links a:hover{color:#fff}.footer-contact p{margin:.25rem 0;font-size:.9rem}.footer-copy{margin:1.5rem 0 0;padding-top:1rem;border-top:1px solid hsla(0,0%,100%,.1);font-size:.85rem;opacity:.9}.hero{padding:4rem 0 5rem;text-align:center;background:linear-gradient(180deg,var(--oilers-teal-dark) 0,var(--oilers-teal) 50%,var(--oilers-teal-dark) 100%);color:#fff}.hero h1{color:#fff;font-size:clamp(1.75rem,4vw,2.5rem);margin:0 0 .5rem}.hero .tagline{font-size:1.25rem;opacity:.95;margin:0 0 1.5rem}.hero .sub{font-size:1rem;opacity:.9;max-width:600px;margin:0 auto}.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:1.5rem;gap:1.5rem;margin-top:2rem}.service-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;overflow:hidden;padding:0;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:box-shadow .2s,border-color .2s}.service-card:hover{box-shadow:0 4px 16px rgba(42,90,90,.12);border-color:var(--oilers-teal-light)}.service-card-image{aspect-ratio:5/3;overflow:hidden;background:#e8e8e8}.service-card .service-img{width:100%;height:100%;object-fit:cover;display:block}.service-card h3{margin:0;padding:1rem 1.25rem .25rem;font-size:1.1rem;color:var(--oilers-teal)}.service-card p{margin:0;padding:0 1.25rem 1.25rem;font-size:.95rem;color:#444}.contact-box{background:#fff;border-radius:8px;padding:2rem;max-width:800px;margin:0 auto;box-shadow:0 2px 12px rgba(0,0,0,.08);border:1px solid #e8e8e8;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:2rem;gap:2rem;align-items:start}@media (max-width:900px){.contact-box{grid-template-columns:1fr 1fr}}@media (max-width:640px){.contact-box{grid-template-columns:1fr}}.contact-block h3{margin:0 0 .75rem;font-size:1rem;color:var(--oilers-teal-dark)}.contact-box a[href^=mailto],.contact-box a[href^=tel]{display:block;margin:.35rem 0}.location-address{font-size:1rem;line-height:1.6;margin:0}.location-address strong{display:block;margin-bottom:.25rem}.whatsapp-float{position:fixed;bottom:1.5rem;right:1.5rem;z-index:999;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(37,211,102,.5);transition:transform .2s ease,box-shadow .2s ease}.whatsapp-float:hover{transform:scale(1.08);box-shadow:0 6px 16px rgba(37,211,102,.6);color:#fff}.whatsapp-float:focus-visible{outline:2px solid #25d366;outline-offset:2px}.whatsapp-float-icon{width:32px;height:32px}.popup-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.popup-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#fff;border-radius:12px;padding:2rem;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;z-index:1001;box-shadow:0 8px 32px rgba(0,0,0,.3);animation:popupSlideIn .3s ease-out}@keyframes popupSlideIn{0%{opacity:0;transform:translate(-50%,-45%)}to{opacity:1;transform:translate(-50%,-50%)}}.popup-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:2rem;line-height:1;color:#666;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background .2s,color .2s}.popup-close:hover{background:#f0f0f0;color:#000}.popup-modal h2{margin:0 0 .5rem;color:var(--oilers-teal-dark);font-size:1.75rem}.popup-subtitle{margin:0 0 1.5rem;color:#666;font-size:.95rem}.popup-form{gap:1.25rem}.form-group,.popup-form{display:flex;flex-direction:column}.form-group{gap:.5rem}.form-group label{font-weight:600;color:var(--oilers-teal-dark);font-size:.95rem}.required{color:#e74c3c}.form-group input,.form-group textarea{padding:.75rem;border:2px solid #e0e0e0;border-radius:6px;font-family:inherit;font-size:1rem;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--oilers-teal)}.form-group input.error,.form-group textarea.error{border-color:#e74c3c}.error-message{color:#e74c3c;font-size:.85rem;margin-top:-.25rem}.btn-submit{width:100%;margin-top:.5rem;padding:.875rem;font-size:1rem}.btn-submit:disabled{opacity:.6;cursor:not-allowed}.popup-success{text-align:center;padding:1rem 0}.popup-success h2{color:var(--oilers-teal);margin-bottom:.5rem}.popup-success p{color:#666;margin:0}@media (max-width:640px){.popup-modal{padding:1.5rem}.popup-modal h2{font-size:1.5rem}}