/* Havitec – Premium Mehrseiten-Konzept | Markenfarben: Rot #e52629 + Anthrazit #231f20 */
:root{
  --red:#e52629; --red-dark:#c41e22;
  --ink:#231f20; --charcoal:#2a2a28;
  --bg:#ffffff; --bg-soft:#f5f6f8; --line:#e6e8eb;
  --text:#26282b; --muted:#6b7176; --light:#e8ebee;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.65}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3,h4{letter-spacing:-.02em;color:var(--ink);line-height:1.15;font-weight:800}

/* Buttons */
.btn{display:inline-block;border-radius:8px;font-weight:600;font-size:15px;padding:13px 26px;transition:transform .15s,box-shadow .2s,background .2s,color .2s;cursor:pointer;border:0;font-family:inherit}
.btn:hover{transform:translateY(-2px)}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark);box-shadow:0 12px 26px rgba(229,38,41,.32)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{border-color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}

/* Utility bar */
.util{background:var(--ink);color:#cfd2d6;font-size:13px;position:sticky;top:0;z-index:1001}
.util .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;flex-wrap:wrap}
.util .badge{color:#fff}
.util .badge b{color:var(--red)}
.util .u-right{display:flex;gap:20px}
.util a{color:#cfd2d6;transition:color .2s}
.util a:hover{color:#fff}

/* Header */
header{position:sticky;top:38px;z-index:1000;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s}
header.scrolled{box-shadow:0 6px 26px rgba(35,31,32,.10)}
.nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.nav .logo img{height:42px;width:auto}
.menu{display:flex;align-items:center;gap:28px}
.menu a{font-size:15px;font-weight:600;color:var(--ink);transition:color .2s;position:relative}
.menu a:hover,.menu a.active{color:var(--red)}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:3px;background:var(--red);border-radius:3px}
.menu a.btn-red,.menu a.btn-red:hover{color:#fff}
.menu a.btn-red::after{display:none}
.burger{display:none;font-size:26px;background:none;border:0;color:var(--ink);cursor:pointer}

/* Page banner (Unterseiten) */
.banner{background:linear-gradient(120deg,rgba(35,31,32,.92),rgba(35,31,32,.74)),var(--banner) center/cover no-repeat;color:#fff;padding:70px 0}
.banner .crumb{font-size:13px;color:#b9bdc2;letter-spacing:1px;margin-bottom:12px}
.banner .crumb b{color:var(--red)}
.banner h1{color:#fff;font-size:clamp(30px,4.5vw,46px)}
.banner p{color:#cfd2d6;max-width:640px;margin-top:14px;font-size:17px}

/* Hero (Home) */
.hero{position:relative;overflow:hidden;background:#231f20;color:#fff;padding:120px 0 110px}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(115deg,rgba(35,31,32,.92) 25%,rgba(35,31,32,.62) 70%,rgba(35,31,32,.5))}
.hero .wrap{position:relative;z-index:2}
.hero .eyebrow{color:var(--red);font-size:13px;font-weight:700;letter-spacing:3px;margin-bottom:18px}
.hero h1{color:#fff;font-size:clamp(36px,5.4vw,60px);font-weight:800;max-width:830px}
.hero h1 em{color:var(--red);font-style:normal}
.hero p.lead{color:#cdd0d4;font-size:19px;max-width:580px;margin:22px 0 32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* Sections */
.sec{padding:90px 0}
.sec-soft{background:var(--bg-soft)}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark h2,.sec-dark h3{color:#fff}
.tag{color:var(--red);font-size:12px;font-weight:700;letter-spacing:3px;margin-bottom:14px}
.sec h2{font-size:clamp(27px,3.8vw,40px);margin-bottom:14px}
.lead-sec{font-size:18px;color:var(--muted);max-width:680px;margin-bottom:48px}
.sec-dark .lead-sec{color:#b9bdc2}
.center{text-align:center}
.center .lead-sec{margin-left:auto;margin-right:auto}

/* Metrics */
.metrics{background:var(--charcoal);color:#fff}
.metrics .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:40px 18px;text-align:center;border-left:1px solid rgba(255,255,255,.08)}
.metric:first-child{border-left:0}
.metric .num{font-size:42px;font-weight:800;color:#fff}
.metric .num em{color:var(--red);font-style:normal}
.metric .lbl{font-size:13px;color:#a7abb0;margin-top:6px}

/* Cards */
.grid{display:grid;gap:24px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px 26px;transition:transform .2s,box-shadow .25s}
.card:hover{transform:translateY(-6px);box-shadow:0 22px 50px rgba(35,31,32,.12)}
.card .ic{width:52px;height:52px;margin-bottom:18px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}
.card .more{display:inline-block;margin-top:16px;color:var(--red);font-weight:600;font-size:14px}

/* Feature row (Bild + Text) */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-bottom:70px}
.feature:last-child{margin-bottom:0}
.feature.rev .ftext{order:2}
.feature picture{display:block}
.feature img{border-radius:16px;box-shadow:0 22px 56px rgba(35,31,32,.16);width:100%;object-fit:cover}
.feature h3{font-size:24px;margin-bottom:12px}
.feature p{color:var(--muted);margin-bottom:14px}
.ticks{list-style:none}
.ticks li{padding:7px 0 7px 28px;position:relative;color:var(--text)}
.ticks li::before{content:"";position:absolute;left:0;top:14px;width:12px;height:12px;border-radius:3px;background:var(--red)}

/* Specs (dark) */
.spec{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.spec:last-child{border:0}
.spec .sn{font-size:26px;font-weight:800;color:var(--red);min-width:90px}
.spec b{color:#fff;display:block;font-size:16px}
.spec span{color:#a7abb0;font-size:14px}
.video-frame{border-radius:16px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.12)}
.video-frame video{width:100%;display:block}

/* Trust list */
.trust-list{list-style:none}
.trust-list li{display:flex;gap:14px;padding:15px 0;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--muted)}
.trust-list li:last-child{border:0}
.trust-list b{color:var(--ink);font-weight:600}
.check{color:var(--red);font-weight:800;flex:none}
.cert{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 16px 40px rgba(35,31,32,.10)}

/* CTA band */
.cta-band{position:relative;overflow:hidden;background:var(--red);color:#fff;padding:240px 0}
.cta-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.cta-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(115deg,rgba(35,31,32,.92) 25%,rgba(35,31,32,.62) 70%,rgba(35,31,32,.5))}
.cta-band .wrap{position:relative;z-index:2;max-width:1600px;display:flex;justify-content:center;align-items:center;gap:56px;flex-wrap:wrap}
.cta-band h2,.cta-band p{text-shadow:0 2px 18px rgba(35,31,32,.6)}
.cta-band h2{color:#fff;font-size:clamp(34px,4.6vw,50px);line-height:1.1}
.cta-band p{color:#ffe3e3;margin-top:12px;font-size:clamp(17px,1.5vw,21px)}

/* Process / Ablauf */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 20px;text-align:center;transition:transform .2s,box-shadow .25s}
.step:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(35,31,32,.12)}
.step .no{width:42px;height:42px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.step h4{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted)}

/* Gallery / Einblicke */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery figure{margin:0;overflow:hidden;border-radius:12px}
.gallery img{width:100%;height:220px;object-fit:cover;transition:transform .4s ease}
.gallery figure:hover img{transform:scale(1.06)}

/* Standort-Karte (vollbreit + Overlay) */
.standort{position:relative}
.map-full{position:relative;line-height:0}
.map-frame{overflow:hidden;height:540px}
.map-frame iframe{width:100%;height:605px;margin-top:-65px;border:0;display:block;filter:grayscale(.12)}
.map-card{position:absolute;top:36px;left:max(28px,calc((100% - var(--maxw))/2 + 28px));z-index:2;background:#fff;border-radius:16px;box-shadow:0 20px 54px rgba(35,31,32,.25);padding:26px 28px;max-width:350px;line-height:1.55}
.map-card .tag{margin-bottom:8px}
.map-card h3{font-size:22px;margin-bottom:8px}
.map-addr{font-size:16px;color:var(--ink);margin-bottom:10px}
.map-lage{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.map-contact{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;font-size:14px}
.map-contact a{color:var(--ink)}
.map-contact a:hover{color:var(--red)}
.map-card .btn-red{display:block;text-align:center}
@media(max-width:760px){
  .map-frame{height:380px}
  .map-frame iframe{height:445px}
  .map-card{position:static;max-width:none;border-radius:0;box-shadow:none;padding:24px 28px}
}

/* Interaktiver Arbeitsfluss */
.flow{max-width:1000px;margin:0 auto}
.cycle{position:relative;width:min(460px,92vw);aspect-ratio:1;margin:8px auto 0}
.cycle-ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg);transform-origin:center;overflow:visible}
.ring-bg{fill:none;stroke:var(--line);stroke-width:1.2}
.ring-fill{fill:none;stroke:var(--red);stroke-width:1.6;stroke-linecap:round;stroke-dasharray:263.9;stroke-dashoffset:263.9;filter:drop-shadow(0 1.5px 3px rgba(229,38,41,.35));transition:stroke-dashoffset .9s cubic-bezier(.45,.05,.3,1)}
.cycle-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);pointer-events:none;text-align:center}
.cycle-center>svg{width:38px;height:38px;color:var(--red);animation:hvspin 9s linear infinite}
@keyframes hvspin{to{transform:rotate(360deg)}}
.cycle-center span{font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.cycle-nodes{position:absolute;inset:0}
.flow-node{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1;background:none;border:0;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:11px;font-family:inherit;padding:0;width:max-content}
.fn-circle{position:relative;width:60px;height:60px;border-radius:50%;background:#fff;border:2px solid var(--line);display:grid;place-items:center;color:var(--muted);box-shadow:0 5px 16px rgba(35,31,32,.09);transition:transform .35s cubic-bezier(.34,1.4,.5,1),background .3s,border-color .3s,color .3s,box-shadow .3s}
.fn-circle svg{width:28px;height:28px}
.fn-num{position:absolute;top:-5px;right:-5px;width:21px;height:21px;border-radius:50%;background:#fff;border:1.5px solid var(--line);color:var(--muted);font-size:11px;font-weight:800;display:grid;place-items:center;line-height:1;transition:color .3s,border-color .3s}
.flow-node.done .fn-num,.flow-node.active .fn-num{color:var(--red);border-color:var(--red)}
.fn-label{position:relative;z-index:2;font-size:13px;font-weight:600;color:var(--muted);text-align:center;max-width:112px;line-height:1.3;min-height:2.6em;display:flex;align-items:center;justify-content:center;transition:color .3s,font-weight .3s;text-shadow:0 0 7px #f5f6f8,0 0 7px #f5f6f8,0 0 12px #f5f6f8}
.flow-node.done .fn-circle{background:var(--red);border-color:var(--red);color:#fff}
.flow-node.active .fn-circle{background:var(--red);border-color:var(--red);color:#fff;transform:scale(1.16);box-shadow:0 0 0 7px rgba(229,38,41,.16),0 10px 24px rgba(229,38,41,.30);animation:fnpulse 2.6s ease-in-out infinite}
@keyframes fnpulse{0%,100%{box-shadow:0 0 0 7px rgba(229,38,41,.16),0 10px 24px rgba(229,38,41,.30)}50%{box-shadow:0 0 0 13px rgba(229,38,41,.05),0 10px 24px rgba(229,38,41,.22)}}
.flow-node.done .fn-label,.flow-node.active .fn-label{color:var(--ink)}
.flow-node.active .fn-label{font-weight:800}
@media(prefers-reduced-motion:reduce){.cycle-center>svg,.flow-node.active .fn-circle{animation:none}}
.fn-icon{display:block;margin-top:9px;color:var(--muted);line-height:0;transition:color .3s,transform .3s}
.fn-icon svg{width:24px;height:24px}
.flow-node.done .fn-icon,.flow-node.active .fn-icon{color:var(--red)}
.flow-node.active .fn-icon{transform:scale(1.12)}
.flow-node:hover .fn-icon{color:var(--red)}
.flow-node:hover .fn-circle{border-color:var(--red);color:var(--red)}
.flow-node.done:hover .fn-circle,.flow-node.active:hover .fn-circle{color:#fff}

.flow-detail{margin-top:42px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--red);border-radius:14px;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:26px;box-shadow:0 14px 38px rgba(35,31,32,.08)}
.flow-detail-inner{transition:opacity .18s ease,transform .18s ease}
.flow-detail-inner.swap{opacity:0;transform:translateY(8px)}
.flow-step-badge{display:inline-block;background:var(--red);color:#fff;font-size:12px;font-weight:700;letter-spacing:.5px;padding:4px 13px;border-radius:999px;margin-bottom:13px}
#flowTitle{font-size:24px;margin-bottom:8px}
#flowDesc{color:var(--muted);font-size:16px;max-width:640px;margin:0}
.flow-controls{display:flex;gap:10px;flex:none}
.flow-arrow,.flow-play{width:46px;height:46px;border-radius:50%;border:1.5px solid var(--ink);background:#fff;color:var(--ink);cursor:pointer;font-size:15px;font-family:inherit;transition:background .2s,color .2s,transform .15s}
.flow-arrow:hover,.flow-play:hover{background:var(--ink);color:#fff}
.flow-arrow:active,.flow-play:active{transform:scale(.92)}
.flow-play{border-color:var(--red);color:var(--red)}
.flow-play:hover{background:var(--red);color:#fff}

@media(max-width:760px){
  .cycle{width:100%;aspect-ratio:auto;margin-top:0}
  .cycle-ring,.cycle-center{display:none}
  .cycle-nodes{position:static;display:flex;flex-direction:column;gap:2px}
  .flow-node{position:static!important;transform:none!important;flex-direction:row;justify-content:flex-start;gap:16px;padding:9px 0;width:auto}
  .fn-circle{width:42px;height:42px;font-size:15px;flex:none}
  .fn-label{max-width:none;text-align:left;font-size:15px;min-height:0;justify-content:flex-start}
  .flow-detail{flex-direction:column;align-items:flex-start}
  .flow-controls{align-self:flex-end}
}

/* Legal / Textseiten */
.legal{max-width:820px}
.legal h2{font-size:22px;margin:34px 0 10px}
.legal h2:first-child{margin-top:0}
.legal p{color:var(--muted);margin-bottom:12px}
.legal b{color:var(--ink)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px}
.ci{display:flex;gap:14px;align-items:flex-start;padding:15px 0;font-size:16px;border-bottom:1px solid var(--line)}
.ci:last-child{border:0}
.ci .ico{color:var(--red);font-size:20px;flex:none}
.ci b{display:block;color:var(--ink)}
.ci a{color:var(--red)}
.form{background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;padding:30px}
.form h3{margin-bottom:6px}
.form p{color:var(--muted);font-size:14px;margin-bottom:18px}
.field{width:100%;background:#fff;border:1px solid var(--line);border-radius:9px;padding:12px 14px;font-size:14px;margin-bottom:12px;font-family:inherit}
.form .btn-red{width:100%;text-align:center}

/* Footer */
footer{background:var(--ink);color:#a7abb0;padding:56px 0 30px;font-size:14px;border-top:4px solid var(--red)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:34px}
.foot-grid h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.5px}
.foot-grid a{color:#a7abb0;display:block;padding:5px 0;transition:color .2s}
.foot-grid a:hover{color:var(--red)}
.foot-logo{height:40px;margin-bottom:16px;background:#fff;padding:8px 10px;border-radius:8px;width:max-content}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}

/* Branchen-Leiste */
.branchen{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 34px;margin-top:46px;padding-top:30px;border-top:1px solid var(--line)}
.branchen span{font-weight:800;letter-spacing:1.5px;font-size:15px;color:var(--muted);opacity:.72}

/* Cookie-Banner */
.cc-overlay{position:fixed;inset:0;background:rgba(35,31,32,.55);z-index:2000;display:none}
.cc-overlay.show{display:block}
.cc-banner{position:fixed;left:0;right:0;bottom:0;z-index:2001;background:#fff;border-top:4px solid var(--red);box-shadow:0 -10px 40px rgba(35,31,32,.18);transform:translateY(110%);transition:transform .35s ease}
.cc-banner.show{transform:none}
.cc-inner{max-width:var(--maxw);margin:0 auto;padding:22px 28px;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center}
.cc-text h4{font-size:17px;margin-bottom:6px}
.cc-text p{font-size:13.5px;color:var(--muted);margin:0;max-width:720px}
.cc-text a{color:var(--red)}
.cc-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.cc-actions .btn{font-size:14px;padding:11px 20px}
.btn-outline{background:#fff;border:1.5px solid var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.cookie-settings{cursor:pointer}
@media(max-width:720px){.cc-inner{grid-template-columns:1fr}.cc-actions{justify-content:stretch}.cc-actions .btn{flex:1}}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .menu{position:fixed;top:0;right:0;height:100vh;width:260px;background:#fff;flex-direction:column;align-items:flex-start;padding:90px 28px;gap:18px;transform:translateX(100%);transition:transform .3s;box-shadow:-10px 0 40px rgba(0,0,0,.15)}
  .menu.open{transform:none}
  .burger{display:block;z-index:1001}
  .metrics .wrap,.g4,.g3,.g2,.feature,.contact-grid,.foot-grid{grid-template-columns:1fr}
  .process,.gallery{grid-template-columns:1fr 1fr}
  .feature.rev .ftext{order:0}
  .metric{border-left:0;border-top:1px solid rgba(255,255,255,.08)}
  .metric:first-child{border-top:0}
}