:root{--bg-dark: #121212;--bg-card: #1e1e1e;--text-main: #f8fafc;--text-muted: #94a3b8;--accent-green: #10b981;--accent-green-hover: #059669;--accent-stone: #d6d3d1;--container-width: 1200px;--border-radius: 12px}body{margin:0;padding:0;font-family:Inter,system-ui,sans-serif;background-color:var(--bg-dark);color:var(--text-main);overflow-x:hidden}.container{max-width:var(--container-width);margin:0 auto;padding:0 20px}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:2rem;text-align:center}.btn{display:inline-block;padding:12px 24px;border-radius:var(--border-radius);font-weight:600;text-decoration:none;transition:all .2s ease;cursor:pointer;border:none}.btn-primary{background-color:var(--accent-green);color:#fff}.btn-primary:hover{background-color:var(--accent-green-hover);transform:translateY(-2px)}.glass-pane{background:rgba(30,30,30,.6);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:var(--border-radius)}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;padding:15px 0;background:rgba(18,18,18,.8);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.05)}.navbar .container{display:flex;justify-content:space-between;align-items:center}.nav-links{display:flex;gap:20px}.nav-links a{color:var(--text-main);text-decoration:none;font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--accent-green)}.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding-top:80px}.hero-content{max-width:600px;z-index:10;position:relative}.hero-title{font-size:3.5rem;line-height:1.1;margin-bottom:20px}.hero-subtitle{font-size:1.25rem;color:var(--text-muted);margin-bottom:40px}.hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,rgba(18,18,18,.95) 0%,rgba(18,18,18,.7) 40%,rgba(18,18,18,.1) 100%);z-index:1}.services{padding:100px 0}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.service-card{padding:30px;transition:transform .3s ease}.service-card:hover{transform:translateY(-5px);border-color:#10b9814d}.service-price{color:var(--accent-green);font-weight:700;font-size:1.1rem;margin-top:15px}.calculator-section{padding:100px 0;background-color:#ffffff05}.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}.calc-group{margin-bottom:25px}.calc-group label{display:block;margin-bottom:10px;font-weight:500}input[type=range]{width:100%;accent-color:var(--accent-green)}.calc-checkboxes{display:flex;flex-direction:column;gap:15px}.checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer}.total-box{padding:40px;text-align:center;display:flex;flex-direction:column;justify-content:center}.total-price{font-size:3rem;font-weight:700;color:var(--accent-green);margin:20px 0}.before-after-section{padding:100px 0}.slider-container{position:relative;width:100%;height:600px;overflow:hidden;border-radius:var(--border-radius)}.slider-image{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.slider-overlay{position:absolute;top:0;left:0;height:100%;overflow:hidden;border-right:4px solid white}.slider-range{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:10}@media (max-width: 768px){.hero-title{font-size:2.2rem!important}.hero-subtitle{font-size:1.1rem!important}.hero-content>div:nth-of-type(1){flex-direction:column!important;gap:15px!important;margin:30px 0!important}.hero-content>div:nth-of-type(2){flex-direction:column!important;gap:15px!important}.hero-content>div:nth-of-type(2)>a{text-align:center;width:100%;box-sizing:border-box}.nav-links{display:none!important}.navbar .container{justify-content:center}.calc-grid{grid-template-columns:1fr!important;gap:30px!important}.slider-container{height:350px!important}.total-price{font-size:2rem!important}.total-box{padding:20px!important}.section-title{font-size:1.8rem!important}.hero{padding-top:100px;padding-bottom:50px}.service-card,.glass-pane{padding:25px!important}}