:root{--bg-color:#f9f9f9;--text-color:#333333;--primary-color:#ff4757;--nav-bg:#ffffff;--transition-speed:0.4s}[data-theme=dark]{--bg-color:#121212;--text-color:#f1f1f1;--nav-bg:#1e1e1e}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}body{background-color:var(--bg-color);color:var(--text-color);transition:background-color var(--transition-speed),color var(--transition-speed)}.navbar{position:fixed;top:0;left:0;width:100%;display:flex;justify-content:space-between;align-items:center;padding:25px 50px;background-color:transparent;z-index:1000;transition:all .4s cubic-bezier(.25,.8,.25,1)}.navbar.scrolled{padding:12px 50px;background-color:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 4px 30px rgba(0,0,0,.05)}[data-theme=dark] .navbar.scrolled{background-color:rgba(30,30,30,.85);box-shadow:0 4px 30px rgba(0,0,0,.3)}.logo{font-size:1.8rem;font-weight:900;text-decoration:none;color:var(--text-color);letter-spacing:-.5px;transition:transform .3s ease}.logo:hover{transform:scale(1.05)}.logo-dot{color:var(--primary-color)}.nav-links{display:flex;gap:35px;list-style:none;margin:0;padding:0}.nav-links a{position:relative;text-decoration:none;color:var(--text-color);font-weight:600;font-size:1.05rem;padding:5px 0;transition:color .3s ease}.nav-links a.active,.nav-links a:hover{color:var(--primary-color)}.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0%;height:3px;background-color:var(--primary-color);transition:width .3s ease-in-out;border-radius:2px}.nav-links a.active::after,.nav-links a:hover::after{width:100%}.nav-controls{display:flex;align-items:center;gap:15px}.btn-lang,.btn-theme{background:0 0;border:2px solid rgba(128,128,128,.2);color:var(--text-color);padding:6px 14px;border-radius:20px;font-weight:700;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;text-decoration:none}.btn-theme{padding:6px 10px;font-size:1.1rem}.btn-lang:hover,.btn-theme:hover{border-color:var(--primary-color);color:var(--primary-color);transform:translateY(-2px);box-shadow:0 5px 15px rgba(255,71,87,.1)}.mobile-menu-toggle{display:none;flex-direction:column;gap:6px;cursor:pointer}.mobile-menu-toggle span{width:30px;height:3px;background-color:var(--text-color);border-radius:3px;transition:all .3s ease}@media (max-width:850px){.navbar{padding:20px}.navbar.scrolled{padding:15px 20px}.mobile-menu-toggle{display:flex;order:3}.nav-links{position:absolute;top:100%;left:0;width:100%;background:var(--nav-bg);flex-direction:column;align-items:center;gap:20px;padding:20px 0;box-shadow:0 10px 20px rgba(0,0,0,.1);clip-path:polygon(0 0,100% 0,100% 0,0 0);transition:clip-path .4s ease-in-out}.nav-links.active{clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}}.section{padding:80px 50px;max-width:1200px;margin:0 auto}.comparison-slider{position:relative;width:100%;max-width:800px;height:400px;overflow:hidden;border-radius:10px;box-shadow:0 10px 20px rgba(0,0,0,.2);margin-top:20px}.comparison-slider img{width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0}.comparison-before{position:absolute;top:0;left:0;width:50%;height:100%;overflow:hidden;z-index:2}.slider{position:absolute;top:0;left:0;width:100%;height:100%;background:0 0;appearance:none;-webkit-appearance:none;outline:0;z-index:4;cursor:ew-resize;opacity:0}.slider-line{position:absolute;top:0;left:50%;width:4px;height:100%;background-color:#fff;z-index:3;pointer-events:none;transform:translateX(-50%)}.slider-button{position:absolute;top:50%;left:50%;width:40px;height:40px;background-color:var(--primary-color);color:#fff;border-radius:50%;display:flex;justify-content:center;align-items:center;z-index:3;pointer-events:none;transform:translate(-50%,-50%);box-shadow:0 2px 5px rgba(0,0,0,.5);font-weight:700}.filter-container{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:40px}.filter-btn{padding:8px 16px;background-color:transparent;border:2px solid var(--primary-color);color:var(--text-color);border-radius:20px;cursor:pointer;font-weight:700;transition:all .3s ease}.filter-btn.active,.filter-btn:hover{background-color:var(--primary-color);color:#fff}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:30px}.project-card{background-color:var(--nav-bg);border-radius:10px;overflow:hidden;box-shadow:0 5px 15px rgba(0,0,0,.1);transition:transform .3s ease,opacity .4s ease}.project-card:hover{transform:translateY(-5px)}.project-card.hide{display:none}.project-image-wrapper{width:100%;height:250px;overflow:hidden}.project-standard-img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.project-card:hover .project-standard-img{transform:scale(1.05)}.comparison-slider{margin-top:0;height:250px;border-radius:10px 10px 0 0}.project-info{padding:20px}.project-info h3{margin-bottom:10px;color:var(--primary-color)}.hidden{opacity:0;transform:translateY(30px);transition:opacity .8s ease-out,transform .8s ease-out}.show{opacity:1;transform:translateY(0)}.site-footer{background-color:var(--nav-bg);padding:60px 20px 20px;border-top:1px solid rgba(128,128,128,.1);margin-top:80px}.footer-content{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:40px;margin-bottom:40px}.footer-cta{flex:1;min-width:300px}.footer-cta h2{font-size:2rem;margin-bottom:15px;color:var(--text-color)}.footer-cta p{opacity:.8;margin-bottom:25px;max-width:500px;line-height:1.6}.footer-links{display:flex;gap:60px;flex-wrap:wrap}.footer-col h3{color:var(--primary-color);margin-bottom:20px;font-size:1.2rem}.footer-col ul{list-style:none;padding:0}.footer-col ul li{margin-bottom:12px}.footer-col a{color:var(--text-color);text-decoration:none;opacity:.8;transition:all .3s ease;display:flex;align-items:center;gap:10px;font-weight:500}.footer-col a:hover{opacity:1;color:var(--primary-color)}.social-icons{display:flex;gap:15px;flex-wrap:wrap;max-width:250px}.social-icon{width:42px;height:42px;border-radius:50%;background:rgba(128,128,128,.1);display:flex;justify-content:center;align-items:center;transition:all .3s ease}.social-icon svg{width:20px;height:20px;fill:var(--text-color);transition:fill .3s ease}.social-icon:hover{background:var(--primary-color);transform:translateY(-5px)}.social-icon:hover svg{fill:#fff}.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(128,128,128,.1);opacity:.6;font-size:.9rem}.footer-email-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background-color:var(--primary-color);color:#fff!important;padding:14px 32px;border-radius:30px;text-decoration:none!important;font-weight:700;font-size:1.1rem;transition:all .3s ease;box-shadow:0 4px 15px rgba(0,0,0,.2);border:2px solid var(--primary-color)}.footer-email-btn:hover{transform:translateY(-4px);background-color:transparent;color:var(--primary-color)!important;box-shadow:0 8px 25px rgba(0,0,0,.3)}@media (max-width:768px){.section{padding:50px 20px}.navbar{padding:15px 20px}.footer-links{gap:30px;flex-direction:column}.footer-cta h2{font-size:1.7rem}.comparison-slider{height:250px}}@media (max-width:480px){.projects-grid{grid-template-columns:1fr}.logo{font-size:1.5rem}.nav-controls{gap:8px}.btn-lang,.btn-theme{padding:5px 10px;font-size:.9rem}.footer-email-btn{width:100%;padding:12px 20px}.footer-cta{min-width:100%}}