:root{--red:#c10e05;--logo-red:#c8191a;--ink:#2b2b2b;--bg:#f4f4f4;--sky:#6f9bd6;--navy:#1b2a5c;--orange:#f58b4c;--green:#5cb85c;--font:'Ubuntu Condensed','Arial Narrow',Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);font-size:18px;line-height:1.55}
a{color:inherit}
.topbar{background:var(--sky);color:#fff;font-size:15px;text-align:center;padding:4px 12px}
.topbar a{text-decoration:none;margin:0 14px;white-space:nowrap}
.topbar a:hover{text-decoration:underline}
header.main{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.2);position:sticky;top:0;z-index:10}
.bar{display:flex;align-items:center;gap:32px;max-width:1280px;margin:0 auto;padding:6px 20px}
.logo img{height:74px;display:block}
nav{flex:1;display:flex;gap:36px;padding-left:120px}
nav a{text-decoration:none;font-weight:700;text-transform:uppercase;font-size:16px;padding:6px 0;border-bottom:3px solid transparent}
nav a:hover,nav a:focus-visible{border-color:var(--logo-red)}
.cert{display:flex;flex-direction:column;align-items:flex-end;font-size:11px;font-weight:700;line-height:1.2}
.cert .badges{display:flex;gap:3px;margin-bottom:3px}
.cert .b1{width:34px;height:34px;border-radius:50%;background:#1e5a74;color:#fff;display:grid;place-items:center;font-size:9px}
.cert .b2{background:var(--logo-red);color:#fff;font-size:20px;padding:0 8px;height:34px;display:grid;place-items:center;font-weight:400}
.hero{min-height:620px;display:grid;place-items:center;text-align:center;padding:40px 20px;color:#fff;position:relative;
background:linear-gradient(to bottom,#8fb6e8 0,#c5dcf3 38%,transparent 38.1%),
repeating-linear-gradient(100deg,transparent 0 118px,rgba(255,255,255,.35) 118px 120px),
repeating-linear-gradient(0deg,transparent 0 58px,rgba(255,255,255,.3) 58px 60px),
linear-gradient(180deg,#0e1a45,#1b2a5c 60%,#2a3d78);background-size:auto}
.hero.photo{background-image:linear-gradient(rgba(10,20,50,.25),rgba(10,20,50,.25)),url(img/hero.jpg);background-size:cover;background-position:center bottom}
.hero h1{font-size:clamp(34px,5.5vw,68px);line-height:1.1;margin:0 0 18px;font-weight:700;max-width:16ch;text-shadow:0 2px 14px rgba(0,0,0,.55)}
.hero p{font-size:clamp(18px,2vw,24px);margin:0 auto 28px;max-width:46ch;text-shadow:0 1px 8px rgba(0,0,0,.6)}
.btn{display:inline-block;background:var(--logo-red);color:#fff;text-decoration:none;font-weight:700;padding:12px 28px;border-radius:3px}
.btn:hover{background:#a00b04}
.btn.alt{background:transparent;border:2px solid #fff;margin-left:10px}
section{padding:72px 20px;scroll-margin-top:90px}
.wrap{max-width:1100px;margin:0 auto}
h2{font-size:clamp(34px,4vw,50px);font-weight:400;margin:0 0 28px;line-height:1.1}
.services{background:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:28px}
.service{border-top:4px solid var(--logo-red);padding:18px 4px 0}
.service h3{margin:0 0 8px;font-size:23px}
.service p{margin:0;color:#555}
.about{background:linear-gradient(rgba(255,255,255,.9),rgba(255,255,255,.9)),linear-gradient(135deg,#dfe9f7,#f4f4f4)}
.about .wrap{max-width:900px}
.about p{margin:0 0 18px}
.about a.ext{color:var(--orange);text-decoration:none;font-weight:700}
.stats{display:flex;gap:40px;flex-wrap:wrap;margin:28px 0}
.stats strong{display:block;font-size:44px;line-height:1;color:var(--logo-red)}
.partners{display:flex;gap:36px;align-items:center;flex-wrap:wrap;margin-top:34px}
.wm{font-weight:700;font-size:30px;letter-spacing:.5px}
.wm.mennekes{font-family:Arial,sans-serif;letter-spacing:1px;text-transform:uppercase}
.wm.mennekes:before{content:"";display:inline-block;width:26px;height:20px;background:var(--logo-red);margin-right:8px;vertical-align:-2px;clip-path:polygon(25% 0,100% 0,75% 100%,0 100%)}
.wm.fronius{background:var(--logo-red);color:#fff;font-style:italic;font-family:Arial,sans-serif;font-size:22px;padding:2px 26px;border-radius:50%}
.wm.solarlog{font-family:Arial,sans-serif;font-weight:400;color:#2b4a7c}
.contact .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:36px}
.contact a.line{display:block;font-size:26px;text-decoration:none;margin-bottom:8px}
.contact a.line:hover{color:var(--logo-red)}
.cta-mail{margin-top:14px}
footer{background:var(--red);color:#fff;text-align:center;padding:22px 20px;font-size:16px}
footer a{text-decoration:none}
a:focus-visible,.btn:focus-visible{outline:3px solid #ffbf47;outline-offset:2px}
@media(max-width:900px){.bar{flex-wrap:wrap;gap:8px}nav{padding-left:0;order:3;width:100%;justify-content:space-between;gap:10px}.cert{margin-left:auto}.logo img{height:56px}.hero{min-height:480px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}