:root{--dark:#202730;--dark2:#121820;--gold:#d9b65f;--blue:#0f3f77;--cream:#f7f4ed;--white:#fff;--text:#1d2530;--line:#e7decf}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--cream);line-height:1.6}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin:0 auto}.whatsapp{position:fixed;right:18px;bottom:18px;z-index:60;background:#25d366;color:white;padding:13px 18px;border-radius:999px;font-weight:900;box-shadow:0 20px 45px rgba(0,0,0,.25)}.topbar{position:sticky;top:0;z-index:50;background:rgba(32,39,48,.97);backdrop-filter:blur(12px);color:white}.nav{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand img{width:250px;max-height:70px;object-fit:contain;background:white;border-radius:14px;padding:4px}nav{display:flex;gap:24px;font-size:15px;font-weight:900}nav a:hover{color:var(--gold)}.call-btn,.primary,.secondary,.form button{border-radius:999px;padding:14px 24px;font-weight:900;display:inline-flex;align-items:center;justify-content:center}.call-btn,.primary,.form button{background:var(--gold);color:#121820}.secondary{background:white;color:#121820}.hero{position:relative;overflow:hidden;color:white;background:var(--dark)}.hero-bg{position:absolute;inset:0;background:linear-gradient(110deg,rgba(18,24,32,.97),rgba(18,24,32,.78),rgba(18,24,32,.45)),url('assets/fassade-vorher.jpg') center/cover;transform:scale(1.03)}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:720px;padding:90px 0}.eyebrow{margin:0 0 14px;text-transform:uppercase;letter-spacing:2px;color:var(--gold);font-size:13px;font-weight:900}h1,h2,h3{margin:0 0 18px;line-height:1.08}h1{font-size:clamp(42px,6vw,76px);letter-spacing:-2.5px}h2{font-size:clamp(32px,4.4vw,52px);letter-spacing:-1.4px}h3{font-size:23px}.lead{font-size:20px;color:rgba(255,255,255,.92);max-width:760px}.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin:32px 0 28px}.trust{display:grid;gap:10px;font-weight:800;color:rgba(255,255,255,.95)}.hero-card{position:relative;border-radius:30px;overflow:hidden;box-shadow:0 35px 90px rgba(0,0,0,.38);border:1px solid rgba(255,255,255,.14)}.hero-card img{height:520px;width:100%;object-fit:cover}.floating-card{position:absolute;left:22px;right:22px;bottom:22px;background:rgba(255,255,255,.95);color:var(--text);border-radius:22px;padding:22px}.logo-section{background:white;padding:48px 0 46px}.logo-panel{width:min(760px,100%);margin:0 auto;background:white;border-radius:26px;box-shadow:0 25px 80px rgba(0,0,0,.12);overflow:hidden}.logo-panel img{width:100%;height:auto}.section{padding:88px 0}.about{background:var(--cream)}.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px}.about p,.customers p,.contact p,.section-lead{font-size:18px}.services,.reviews{background:white}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}.service-grid article{background:var(--cream);border:1px solid var(--line);border-radius:24px;padding:28px;min-height:250px}.service-grid article:first-child{background:var(--dark);color:white;border-color:var(--dark)}.service-grid span{color:var(--gold);font-weight:900;display:inline-block;margin-bottom:18px}.before-after-section{background:var(--dark);color:white}.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:34px}.ba-card{background:white;color:var(--text);border-radius:28px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.25)}.comparison{position:relative;height:470px;overflow:hidden;background:#111;--pos:50%}.comparison img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.comparison .after{clip-path:polygon(var(--pos) 0,100% 0,100% 100%,var(--pos) 100%)}.comparison .divider{position:absolute;top:0;bottom:0;left:var(--pos);width:3px;background:white;transform:translateX(-50%);z-index:3;box-shadow:0 0 20px rgba(0,0,0,.45)}.comparison .divider:after{content:'↔';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;background:var(--gold);color:var(--dark);display:flex;align-items:center;justify-content:center;font-weight:900}.comparison input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:4}.tag{position:absolute;top:18px;z-index:5;background:rgba(18,24,32,.82);color:white;padding:8px 12px;border-radius:999px;font-weight:900;font-size:13px}.tag-before{left:18px}.tag-after{right:18px}.ba-content{padding:26px}.references{background:var(--cream)}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}figure{margin:0;position:relative;border-radius:24px;overflow:hidden;background:var(--dark);box-shadow:0 18px 45px rgba(0,0,0,.13);min-height:330px}figure.large{grid-column:span 2;grid-row:span 2}figure img{width:100%;height:100%;min-height:330px;object-fit:cover;transition:.35s}figure:hover img{transform:scale(1.05)}figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px;color:white;font-weight:900;background:linear-gradient(transparent,rgba(0,0,0,.82))}.customers{background:linear-gradient(135deg,var(--dark2),var(--dark))}.customer-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.customer-card{border-radius:30px;padding:42px}.customer-card.dark{background:rgba(255,255,255,.08);color:white;border:1px solid rgba(255,255,255,.14)}.customer-card.light{background:white}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}blockquote{margin:0;background:var(--cream);border:1px solid var(--line);border-radius:24px;padding:28px;font-size:18px}blockquote div{color:var(--gold);letter-spacing:2px;font-size:22px}.contact{background:var(--cream)}.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}.contact-box{background:white;border:1px solid var(--line);border-radius:24px;padding:24px;margin-top:26px}.contact-box a{color:var(--blue);font-weight:900}.form{background:var(--dark);color:white;border-radius:30px;padding:34px;display:grid;gap:18px;box-shadow:0 24px 70px rgba(0,0,0,.18)}.form label{display:grid;gap:8px;font-weight:900}input,select,textarea{width:100%;border:0;border-radius:15px;padding:15px;font:inherit;background:white;color:var(--text)}textarea{resize:vertical}.form button{border:0;font-size:16px;cursor:pointer;margin-top:8px}footer{background:#10151b;color:white;padding:48px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:40px;align-items:start}.footer-logo img{width:420px;max-width:100%;background:white;border-radius:18px;padding:8px}.footer-logo p{margin:16px 0 6px}.footer-logo strong{color:var(--gold)}.footer-col{display:grid;gap:10px}.footer-col h3{color:var(--gold);font-size:20px}.footer-col a,.footer-col span{color:#e9edf2;font-weight:800}.copyright{text-align:center;color:#aab3bd;border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:18px;font-size:14px}@media(max-width:980px){nav{display:none}.hero-grid,.about-grid,.customer-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}.hero-grid{min-height:auto}.service-grid,.review-grid,.ba-grid{grid-template-columns:repeat(2,1fr)}.gallery{grid-template-columns:repeat(2,1fr)}}@media(max-width:680px){.call-btn{display:none}.brand img{width:180px}.hero-grid{padding:58px 0}.hero-card img,.comparison{height:380px}.service-grid,.review-grid,.ba-grid,.gallery{grid-template-columns:1fr}figure.large{grid-column:span 1;grid-row:span 1}.section{padding:62px 0}.footer-logo img{width:100%}}