/* ============================================================
   Neuberger Bau- und Dämmtechnik – Design-System 2026
   Signatur: Logo-Schräge (-12°) · Cyan #3FB8DB · Barlow Condensed Italic
   ============================================================ */

:root{
  --ink:#0C1418;
  --petrol:#10333F;
  --brand:#3FB8DB;
  --brand-deep:#2795B8;
  --paper:#FFFFFF;
  --mist:#EEF4F6;
  --text:#22333B;
  --text-soft:#5B7079;
  --skew:-12deg;
  --radius:10px;
  --shadow:0 14px 40px rgba(12,20,24,.10);
  --wrap:1180px;
  --ease:cubic-bezier(.22,.9,.3,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font:16px/1.65 Manrope,system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-deep)}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;margin:0 0 .5em}
p{margin:0 0 1em}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.wrap-narrow{max-width:820px}

/* ---------- Typo ---------- */
.display{
  font-family:'Barlow Condensed',Impact,sans-serif;
  font-style:italic;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.01em;
}
h1.display{font-size:clamp(44px,7vw,84px)}
h2.display{font-size:clamp(30px,4.2vw,48px)}
.eyebrow{
  font-family:'Barlow Condensed',sans-serif;
  font-style:italic;font-weight:700;
  text-transform:uppercase;
  letter-spacing:.14em;
  color:var(--brand-deep);
  font-size:17px;
  margin-bottom:10px;
}

/* Signatur: kursiver Highlight-Balken hinter Wörtern */
.mark{
  font-style:italic;
  color:var(--ink);
  background:linear-gradient(var(--brand),var(--brand)) no-repeat 0 68%/100% 38%;
  padding-inline:.08em;
}
.hero .mark{color:#fff;background:linear-gradient(var(--brand),var(--brand-deep)) no-repeat 0 66%/100% 42%}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  background:var(--brand);
  color:var(--ink);
  font-family:'Barlow Condensed',sans-serif;
  font-style:italic;font-weight:700;
  font-size:19px;letter-spacing:.06em;text-transform:uppercase;
  text-decoration:none;
  padding:15px 34px;
  border:0;cursor:pointer;
  clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 2px rgba(255,255,255,.7)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--ink);color:#fff}
.btn-small{padding:9px 22px;font-size:16px}
.text-link{
  font-family:'Barlow Condensed',sans-serif;font-style:italic;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;font-size:18px;
  color:var(--brand-deep);text-decoration:none;
}
.text-link:hover{color:var(--ink)}

/* ---------- Header ---------- */
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:var(--ink);padding:10px 18px;z-index:200}
.skip-link:focus{left:8px;top:8px}
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(12,20,24,.08);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.brand img{width:190px;height:auto}
.main-nav ul{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.main-nav a:not(.btn){
  font-family:'Barlow Condensed',sans-serif;font-style:italic;font-weight:700;
  font-size:19px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink);text-decoration:none;
  padding:6px 2px;
  background:linear-gradient(var(--brand),var(--brand)) no-repeat 0 100%/0 3px;
  transition:background-size .25s var(--ease);
}
.main-nav a:not(.btn):hover,
.main-nav a[aria-current="page"]{background-size:100% 3px}
.nav-toggle{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:min(88dvh,860px);display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg,.hero-bg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,20,24,.92) 0%,rgba(16,51,63,.72) 46%,rgba(16,51,63,.18) 100%);
}
.hero-content{position:relative;z-index:2;padding-block:120px}
.hero .eyebrow{color:var(--brand)}
.hero-title{color:#fff;margin-bottom:18px}
.hero-title span{display:block}
.hero-sub{max-width:560px;font-size:18px;color:rgba(255,255,255,.88)}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:30px}

/* Hero-Ladechoreografie */
.hero-line{opacity:0;transform:translateY(28px) skewY(2deg)}
.js .hero-line{animation:heroIn .8s var(--ease) forwards}
.js .hero-line:nth-child(1),.js .hero-content>.hero-line:nth-of-type(1){animation-delay:.05s}
.js .hero-title .hero-line:nth-child(1){animation-delay:.15s}
.js .hero-title .hero-line:nth-child(2){animation-delay:.28s}
.js .hero-sub{animation-delay:.42s}
.js .hero-actions{animation-delay:.55s}
@keyframes heroIn{to{opacity:1;transform:none}}

/* ---------- Sections & Schrägen ---------- */
.section{padding-block:96px}
.section-mist{background:var(--mist)}
.skew-top{clip-path:polygon(0 0,100% 3.2vw,100% 100%,0 100%)}
.skew-both{clip-path:polygon(0 0,100% 3.2vw,100% 100%,0 calc(100% - 3.2vw))}
.skew-top,.skew-both{padding-top:calc(96px + 3.2vw)}
.skew-both{padding-bottom:calc(96px + 3.2vw)}
.usp-section{background:var(--paper);margin-top:-3.4vw;position:relative;z-index:3}
.section-head{max-width:680px;margin-bottom:56px}

/* ---------- Cards ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  position:relative;
  background:var(--mist);
  border-radius:var(--radius);
  padding:36px 30px 30px;
  overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card h3{font-size:21px}
.card-slash{
  position:absolute;top:0;left:0;width:56px;height:8px;
  background:var(--brand);
  transform:skewX(var(--skew));
  transform-origin:bottom left;
}

/* ---------- Split (Bild/Text) ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.split-media{margin:0;position:relative}
.split-media img{
  border-radius:var(--radius);
  clip-path:polygon(0 0,100% 2.5%,100% 100%,0 97.5%);
  box-shadow:var(--shadow);
}

/* ---------- Statistiken ---------- */
.stats{display:flex;gap:32px;margin-top:36px;flex-wrap:wrap}
.stat{display:flex;flex-direction:column}
.stat-num,.stat-suffix{
  font-size:clamp(40px,4.6vw,58px);
  color:var(--brand-deep);
  display:inline;
  line-height:1;
}
.stat-num{font-variant-numeric:tabular-nums}
.stat > :first-child{display:inline}
.stat-label{font-weight:600;color:var(--text-soft);margin-top:6px}
.stat{display:block}

/* ---------- Service-Grid ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.service-card{
  display:flex;flex-direction:column;
  background:var(--paper);
  border-radius:var(--radius);
  overflow:hidden;
  text-decoration:none;color:var(--text);
  box-shadow:0 4px 18px rgba(12,20,24,.07);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.service-card img{aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
.service-card:hover img{transform:scale(1.04)}
.service-card-body{padding:24px 24px 28px;display:flex;flex-direction:column;gap:4px}
.service-card h3{font-size:20px;margin:0}
.service-card p{margin:0;color:var(--text-soft);font-size:15px}
.service-more{
  margin-top:14px;
  font-family:'Barlow Condensed',sans-serif;font-style:italic;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;color:var(--brand-deep);
}
.service-card:hover .service-more{color:var(--ink)}

/* ---------- Leistungsseite ---------- */
.page-head{
  background:linear-gradient(115deg,var(--ink) 0%,var(--petrol) 70%,#17495B 100%);
  color:#fff;
  padding:88px 0 110px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 3.2vw),0 100%);
}
.page-head h1{color:#fff;margin:0}
.page-head .mark{color:#fff;background:linear-gradient(var(--brand),var(--brand-deep)) no-repeat 0 66%/100% 42%}
.page-intro{max-width:720px;font-size:18px;color:rgba(255,255,255,.85);margin-top:16px}
.leistung{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding-block:56px;
  scroll-margin-top:90px;
}
.leistung + .leistung{border-top:1px solid rgba(12,20,24,.08)}
.leistung-flip .leistung-media{order:2}
.leistung-media{margin:0}
.leistung-media img{
  border-radius:var(--radius);
  clip-path:polygon(0 0,100% 2.5%,100% 100%,0 97.5%);
  box-shadow:var(--shadow);
}
.leistung h2{font-size:clamp(28px,3.4vw,40px)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--paper);
  border-radius:var(--radius);
  box-shadow:0 3px 14px rgba(12,20,24,.06);
  overflow:hidden;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  cursor:pointer;list-style:none;
  padding:20px 24px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:17px;margin:0;font-family:Manrope,sans-serif;font-weight:700}
.faq-plus{position:relative;flex:0 0 22px;height:22px}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;inset:auto;left:2px;top:10px;width:18px;height:3px;
  background:var(--brand-deep);transition:transform .25s var(--ease);
}
.faq-plus::after{transform:rotate(90deg)}
.faq-item[open] .faq-plus::after{transform:rotate(0)}
.faq-item[open] summary{background:var(--mist)}
.faq-answer{padding:18px 24px 22px}
.faq-answer p{margin:0}

/* ---------- Kontakt ---------- */
.contact-list{list-style:none;margin:0 0 32px;padding:0;display:flex;flex-direction:column;gap:14px}
.contact-list li{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:baseline;border-bottom:1px solid rgba(12,20,24,.08);padding-bottom:14px}
.contact-label{
  font-family:'Barlow Condensed',sans-serif;font-style:italic;font-weight:700;
  text-transform:uppercase;letter-spacing:.08em;color:var(--text-soft);font-size:16px;
}
.contact-value{font-size:19px;font-weight:700;color:var(--ink);text-decoration:none}
a.contact-value:hover{color:var(--brand-deep)}
.hinweis-box{
  background:var(--mist);border-left:6px solid var(--brand);
  border-radius:0 var(--radius) var(--radius) 0;
  padding:24px 26px;
}
.hinweis-box h3{font-size:19px}
.hinweis-box p{margin:0}

/* ---------- Rechtstexte ---------- */
.legal-text p{margin-bottom:1.2em;white-space:normal}
.legal-text{font-size:16.5px}

/* ---------- CTA-Band ---------- */
.cta-band{
  background:linear-gradient(115deg,var(--ink) 0%,var(--petrol) 60%,#17495B 100%);
  color:#fff;
  padding:88px 0;
  margin-top:40px;
}
.cta-band .display{color:#fff}
.cta-band p{color:rgba(255,255,255,.82);max-width:560px;margin:0}
.cta-band-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:72px 0 0}
.site-footer h3{
  color:#fff;font-family:'Barlow Condensed',sans-serif;font-style:italic;font-weight:700;
  text-transform:uppercase;letter-spacing:.08em;font-size:19px;
}
.site-footer a{color:var(--brand);text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.footer-brand{font-weight:800;color:#fff;margin:14px 0 6px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:6px}
address{font-style:normal;line-height:1.9}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:56px;padding-block:22px;font-size:14px}

/* ---------- WhatsApp-FAB ---------- */
.whatsapp-fab{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:60px;height:60px;border-radius:50%;
  background:#25D366;color:#fff;
  display:grid;place-items:center;
  box-shadow:0 10px 30px rgba(0,0,0,.28);
  transition:transform .2s var(--ease);
}
.whatsapp-fab:hover{transform:scale(1.08)}

/* ---------- Cookie-Banner ---------- */
.cookie-banner{
  position:fixed;left:22px;bottom:22px;z-index:95;
  max-width:440px;
  background:var(--ink);color:rgba(255,255,255,.86);
  border-radius:var(--radius);
  box-shadow:0 18px 50px rgba(0,0,0,.35);
  padding:22px;
  transform:translateY(0);
  transition:transform .35s var(--ease),opacity .35s var(--ease);
  border-top:4px solid var(--brand);
}
.cookie-banner[hidden]{display:none}
.cookie-banner.leaving{opacity:0;transform:translateY(20px) scale(.92);transform-origin:bottom left}
.cookie-inner{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start}
.cookie-icon{color:var(--brand);grid-row:span 2}
.cookie-title{font-family:'Barlow Condensed',sans-serif;font-style:italic;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#fff;font-size:19px;margin:0 0 4px}
.cookie-inner p{font-size:14px;margin:0}
.cookie-inner a{color:var(--brand)}
.cookie-inner .btn{grid-column:2;justify-self:start;margin-top:12px;padding:10px 26px;font-size:16px}
.cookie-chip{
  position:fixed;left:22px;bottom:22px;z-index:94;
  width:46px;height:46px;border-radius:50%;
  background:var(--ink);color:var(--brand);
  border:2px solid var(--brand);
  display:grid;place-items:center;cursor:pointer;
  box-shadow:0 8px 24px rgba(0,0,0,.25);
  transition:transform .2s var(--ease);
}
.cookie-chip:hover{transform:scale(1.1) rotate(12deg)}
.cookie-chip[hidden]{display:none}

/* ---------- Scroll-Reveals ---------- */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(34px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:var(--d,0ms)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .hero-line{animation:none;opacity:1;transform:none}
  .js .reveal{opacity:1;transform:none;transition:none}
  .parallax img{transform:none!important}
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .cards-3,.service-grid{grid-template-columns:repeat(2,1fr)}
  .split,.leistung{grid-template-columns:1fr;gap:36px}
  .leistung-flip .leistung-media{order:0}
}
@media (max-width:720px){
  .section{padding-block:64px}
  .cards-3,.service-grid{grid-template-columns:1fr}
  .hero-content{padding-block:96px 72px}
  .brand img{width:150px}
  /* Mobile-Nav */
  .nav-toggle{
    display:flex;flex-direction:column;gap:5px;justify-content:center;
    background:none;border:0;cursor:pointer;padding:10px;z-index:110;
  }
  .nav-toggle span{width:26px;height:3px;background:var(--ink);transition:transform .25s var(--ease),opacity .25s}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .main-nav ul{
    position:fixed;inset:0;z-index:105;
    background:rgba(255,255,255,.98);
    flex-direction:column;justify-content:center;
    gap:34px;
    transform:translateX(100%);
    visibility:hidden;
    transition:transform .3s var(--ease),visibility 0s .3s;
  }
  .main-nav ul.open{transform:none;visibility:visible;transition:transform .3s var(--ease)}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .main-nav a:not(.btn){font-size:28px}
  .cookie-banner{left:14px;right:14px;bottom:14px;max-width:none}
  .whatsapp-fab{right:14px;bottom:14px;width:54px;height:54px}
  .contact-list li{grid-template-columns:1fr;gap:2px}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
}