/* =========================================================
   ZENTRO IT — Design Tokens
   Brand: confident blue, radar/scan motif (we monitor & check)
========================================================= */
:root{
  --navy:#071B3F;
  --navy-soft:#0F2A5C;
  --blue:#1857D6;
  --blue-deep:#0F3FA6;
  --accent:#00C2FF;
  --status:#22D3A5;
  --paper:#F5F8FE;
  --white:#FFFFFF;
  --ink:#0B1F3A;
  --ink-soft:#51648A;
  --line:#DCE5F5;
  --font-display:'Sora',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.14;font-weight:700;color:var(--navy)}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{font-family:inherit}
.container{width:min(1180px,92%);margin:0 auto}
.skip-link{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
section{padding:104px 0}
.eyebrow{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;color:var(--blue);display:flex;align-items:center;gap:.7rem;margin-bottom:1.1rem}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--accent)}
.section-head{max-width:660px;margin-bottom:56px}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:.9rem}
.section-head p{color:var(--ink-soft);font-size:1.02rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--blue);color:#fff;font-weight:600;padding:15px 28px;border-radius:10px;border:none;font-size:.96rem;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;box-shadow:0 14px 28px rgba(24,87,214,.22)}
.btn:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 18px 34px rgba(24,87,214,.28)}
.btn.ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--blue);color:var(--blue);transform:none;background:rgba(24,87,214,.04)}
.btn.on-dark{background:var(--accent);color:var(--navy)}
.btn.on-dark:hover{background:#3FD0FF}

/* reveal-on-scroll (hooked by script.js) */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}

/* =========================================================
   HEADER
========================================================= */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(245,248,254,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-row{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand .logo{width:180px;height:auto;object-fit:contain}
.main-nav{display:flex;align-items:center;gap:34px}
.main-nav a{font-size:.98rem;font-weight:600;color:var(--navy);transition:color .2s ease}
.main-nav a:hover{color:var(--blue)}
.nav-cta{background:var(--blue);color:#fff !important;padding:12px 22px;border-radius:9px;box-shadow:0 10px 22px rgba(24,87,214,.2);transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.nav-cta:hover{background:var(--blue-deep);transform:translateY(-2px)}
.menu-button{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.menu-button span{display:block;width:20px;height:2px;background:var(--navy);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-button[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-button[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-button[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =========================================================
   HERO + RADAR (signature element)
========================================================= */
.hero{background:linear-gradient(180deg,#EFF4FE 0%,var(--paper) 65%);padding:88px 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.hero-copy h1{font-size:clamp(2.1rem,4.4vw,3.15rem);font-weight:800;margin-bottom:1.15rem;letter-spacing:-.01em}
.hero-copy h1 span{color:var(--blue)}
.hero-copy .lead{font-size:1.1rem;color:var(--ink-soft);max-width:34em;margin-bottom:2.1rem}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:1.8rem}
.hero-figs{display:flex;gap:28px;font-family:var(--font-mono);font-size:.82rem;color:var(--ink-soft);flex-wrap:wrap}
.hero-figs b{display:block;font-family:var(--font-display);font-size:1.3rem;color:var(--navy)}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:1.7rem}
.trust-row span{display:flex;align-items:center;gap:7px;font-size:.84rem;color:var(--ink-soft);font-weight:500}
.trust-row svg{width:15px;height:15px;color:var(--status);flex-shrink:0}

.radar-wrap{position:relative;aspect-ratio:1/1;max-width:440px;margin:0 auto;display:flex;align-items:center;justify-content:center}
.radar{position:relative;width:100%;height:100%;border-radius:50%;background:radial-gradient(circle at center,rgba(24,87,214,.06),rgba(24,87,214,0) 70%)}
.radar-ring{position:absolute;inset:0;margin:auto;border:1px solid rgba(24,87,214,.22);border-radius:50%}
.radar-ring.r1{width:100%;height:100%}
.radar-ring.r2{width:68%;height:68%}
.radar-ring.r3{width:36%;height:36%}
.radar-core{position:absolute;left:50%;top:50%;width:10px;height:10px;background:var(--blue);border-radius:50%;transform:translate(-50%,-50%);box-shadow:0 0 0 6px rgba(24,87,214,.14)}
.radar-sweep{position:absolute;inset:0;border-radius:50%;background:conic-gradient(from 0deg,rgba(24,87,214,.35),rgba(24,87,214,0) 32%);animation:sweep 4s linear infinite;mix-blend-mode:multiply}
@keyframes sweep{to{transform:rotate(360deg)}}
.radar-blip{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:6px}
.radar-blip .dot{width:11px;height:11px;border-radius:50%;background:var(--status);box-shadow:0 0 0 0 rgba(34,211,165,.55);animation:blip 4s ease-in-out infinite;animation-delay:var(--d)}
.radar-blip .lab{font-family:var(--font-mono);font-size:.68rem;color:var(--navy);background:#fff;padding:2px 8px;border-radius:5px;border:1px solid var(--line);white-space:nowrap}
@keyframes blip{0%,100%{box-shadow:0 0 0 0 rgba(34,211,165,.5)}45%{box-shadow:0 0 0 9px rgba(34,211,165,0)}}
.radar-caption{position:absolute;bottom:-38px;left:50%;transform:translateX(-50%);font-family:var(--font-mono);font-size:.76rem;color:var(--ink-soft);white-space:nowrap}

/* =========================================================
   STATS STRIP
========================================================= */
.stats{background:var(--navy);color:#fff;padding:48px 0}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.stat b{display:block;font-family:var(--font-display);font-size:2.1rem;font-weight:800;color:var(--accent)}
.stat span{font-size:.86rem;color:#B7C6E6}

/* =========================================================
   BRANCHEN / CARDS
========================================================= */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px 28px;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(11,31,58,.09)}
.card .tag{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
.card h3{font-size:1.24rem;margin-bottom:.7rem}
.card>p{color:var(--ink-soft);font-size:.95rem}
.card ul{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);flex:1}
.card li{font-size:.89rem;padding:4px 0 4px 22px;position:relative;color:var(--ink-soft)}
.card li::before{content:"✓";position:absolute;left:0;color:var(--status);font-weight:700}
.card-link{margin-top:auto!important;padding-top:20px!important}

/* =========================================================
   LEISTUNGEN
========================================================= */
.services{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.svc{padding:32px 30px;border-bottom:1px solid var(--line)}
.svc:nth-child(odd){border-right:1px solid var(--line)}
.svc:nth-last-child(-n+2){border-bottom:none}
.svc h3{font-size:1.08rem;margin-bottom:.5rem;display:flex;gap:.6rem;align-items:baseline}
.svc h3 .code{font-family:var(--font-mono);font-size:.7rem;color:var(--blue);font-weight:500}
.svc p{color:var(--ink-soft);font-size:.93rem}

/* =========================================================
   VORGEHEN (ITIL steps)
========================================================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 24px}
.step .num{font-family:var(--font-mono);font-size:.78rem;color:var(--blue);display:block;margin-bottom:12px}
.step h3{font-size:1.02rem;margin-bottom:.5rem}
.step p{font-size:.89rem;color:var(--ink-soft)}
.itil-note{margin-top:32px;font-size:.92rem;color:var(--ink-soft);max-width:58em}
.itil-note strong{color:var(--navy)}

/* =========================================================
   ÜBER UNS
========================================================= */
.about{background:var(--navy);color:#E7EDFB}
.about .eyebrow{color:var(--accent)}
.about .eyebrow::before{background:var(--accent)}
.about h2{color:#fff}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.about p{color:#B7C6E6;margin-bottom:1rem}
.value-list{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:8px 28px}
.value-list li{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);display:flex;gap:14px;align-items:baseline}
.value-list li:last-child{border-bottom:none}
.value-list .n{font-family:var(--font-mono);color:var(--accent);font-size:.85rem}

/* =========================================================
   KONTAKT
========================================================= */
.kontakt{background:#fff;border-top:1px solid var(--line)}
.kontakt-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.k-info h2{font-size:clamp(1.8rem,3.2vw,2.4rem);margin-bottom:1rem}
.k-info p{color:var(--ink-soft);margin-bottom:1.6rem}
.k-lines li{display:flex;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.96rem}
.k-lines .lab{font-family:var(--font-mono);font-size:.74rem;color:var(--blue);min-width:82px;padding-top:3px;text-transform:uppercase;letter-spacing:.05em}
form{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-family:inherit;font-size:.95rem;background:#fff}
.field input:focus,.field textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:var(--ink-soft);margin-bottom:18px}
.consent input{width:auto;margin-top:3px}
#form-message{margin-top:14px;font-size:.9rem;font-weight:600}
#form-message.is-success{color:var(--status)}
#form-message.is-error{color:#D14343}

/* =========================================================
   LEGAL PAGES (Impressum / Datenschutz)
========================================================= */
.legal-main{padding:72px 0 100px}
.legal-wrap{width:min(820px,92%);margin:0 auto}
.legal-heading{margin-bottom:36px}
.legal-heading h1{font-size:clamp(2rem,4vw,2.6rem)}
.legal-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:44px 44px 36px}
.legal-card h2{font-size:1.15rem;margin:1.7rem 0 .6rem}
.legal-card h2:first-child{margin-top:0}
.legal-card p{color:var(--ink-soft);margin-bottom:.4rem;font-size:.97rem}
.legal-card a{color:var(--blue);font-weight:600}
.legal-note{margin-top:1.8rem;padding-top:1.4rem;border-top:1px solid var(--line);font-size:.85rem;color:#8698BC}

/* =========================================================
   COOKIE BANNER
========================================================= */
.cookie-banner{position:fixed;left:0;right:0;bottom:0;z-index:2000;background:var(--navy);color:#E7EDFB;box-shadow:0 -10px 30px rgba(7,27,63,.25)}
.cookie-banner[hidden]{display:none}
.cookie-banner-inner{width:min(1180px,92%);margin:0 auto;padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cookie-banner-inner p{margin:0;font-size:.9rem;color:#B7C6E6;max-width:64ch}
.cookie-banner-actions{display:flex;gap:12px;flex-shrink:0}
.cookie-banner .btn.ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.cookie-banner .btn.ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(255,255,255,.04)}

/* =========================================================
   STICKY MOBILE CALL BAR (Ads traffic is mostly mobile)
========================================================= */
.mobile-call-bar{display:none}
@media (max-width:760px){
  .mobile-call-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1500;
    background:var(--blue);color:#fff;
    box-shadow:0 -8px 24px rgba(24,87,214,.25);font-weight:700;font-size:.92rem;
  }
  .mobile-call-bar a{flex:1;text-align:center;padding:14px 8px;color:#fff}
  .mobile-call-bar a:first-child{border-right:1px solid rgba(255,255,255,.25)}
  .mobile-call-bar a:last-child{background:#1FBE5D}
  body{padding-bottom:52px}
  .cookie-banner{bottom:52px}
}

/* =========================================================
   DESKTOP FLOATING WHATSAPP BUTTON
========================================================= */
.whatsapp-float{
  display:none;position:fixed;right:28px;bottom:28px;z-index:1500;
  width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;
  align-items:center;justify-content:center;box-shadow:0 14px 30px rgba(37,211,102,.35);
  transition:transform .2s ease,box-shadow .2s ease
}
.whatsapp-float:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 18px 36px rgba(37,211,102,.42)}
@media (min-width:761px){ .whatsapp-float{display:flex} }

/* =========================================================
   FOOTER
========================================================= */
.site-footer{background:var(--navy);color:#B7C6E6;padding:56px 0 0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{width:150px;margin-bottom:14px}
.footer-brand p{color:#8FA0C4;font-size:.9rem;max-width:30em}
.footer-col h4{color:#fff;font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px;font-weight:500}
.footer-col li{margin-bottom:10px;font-size:.92rem}
.footer-col a{color:#B7C6E6}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:.85rem;padding:22px 0 26px}
.footer-bottom a{color:#B7C6E6;margin-left:18px}
.footer-bottom a:hover{color:var(--accent)}
@media (max-width:760px){
  .footer-top{grid-template-columns:1fr;gap:28px}
}

/* =========================================================
   RATGEBER / ARTICLES
========================================================= */
.article-meta{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-soft);margin-bottom:.6rem}
.legal-card h2{margin-top:2.2rem}
.legal-card h2:first-of-type{margin-top:0}
.legal-card ul,.legal-card ol{margin:.8rem 0 1.2rem 1.3rem;color:var(--ink-soft)}
.legal-card li{margin-bottom:.5rem;font-size:.97rem}
.legal-card strong{color:var(--ink)}
.cta-box{margin-top:2.6rem;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:26px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta-box p{margin:0;color:var(--ink-soft);font-size:.95rem;max-width:32em}
.ratgeber-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ratgeber-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.ratgeber-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(11,31,58,.08)}
.ratgeber-card .article-meta{margin-bottom:12px}
.ratgeber-card h3{font-size:1.12rem;margin-bottom:.6rem}
.ratgeber-card p{color:var(--ink-soft);font-size:.93rem;flex:1;margin-bottom:14px}
.ratgeber-card a.read-more{color:var(--blue);font-weight:600;font-size:.9rem}
@media (max-width:960px){ .ratgeber-grid{grid-template-columns:1fr} }
@media (max-width:760px){ .cta-box{flex-direction:column;align-items:flex-start} }

/* =========================================================
   KUNDENPORTAL & TERMIN
========================================================= */
.portal{background:var(--navy);color:#E7EDFB}
.portal .eyebrow{color:var(--accent)}
.portal .eyebrow::before{background:var(--accent)}
.portal h2{color:#fff}
.portal-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.portal p{color:#B7C6E6;margin-bottom:1rem}
.portal-features{list-style:none;margin:1.4rem 0 1.8rem}
.portal-features li{padding:9px 0 9px 30px;position:relative;font-size:.96rem;color:#D3DEF3}
.portal-features li::before{content:"✓";position:absolute;left:0;color:var(--status);font-weight:700}
.portal-actions{display:flex;gap:14px;flex-wrap:wrap}
.portal-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:34px}
.portal-card h3{color:#fff;font-size:1.1rem;margin-bottom:14px}
.ticket-steps{list-style:none;counter-reset:step}
.ticket-steps li{counter-increment:step;padding:13px 0 13px 44px;position:relative;border-bottom:1px solid rgba(255,255,255,.08);font-size:.94rem;color:#B7C6E6}
.ticket-steps li:last-child{border-bottom:none}
.ticket-steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:12px;font-family:var(--font-mono);color:var(--accent);font-size:.8rem}
.portal-note{font-size:.82rem;color:#8FA0C4;margin-top:1.2rem}
.termin-types{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:18px}
.termin-type{position:relative}
.termin-type input{position:absolute;opacity:0}
.termin-type label{display:block;border:1.5px solid var(--line);border-radius:10px;padding:14px 16px;font-size:.9rem;font-weight:600;cursor:pointer;transition:border-color .15s ease,background .15s ease;background:#fff}
.termin-type input:checked + label{border-color:var(--blue);background:rgba(24,87,214,.05);color:var(--blue)}
.termin-type input:focus-visible + label{outline:3px solid var(--accent);outline-offset:2px}
@media (max-width:960px){ .portal-grid{grid-template-columns:1fr;gap:40px} }
@media (max-width:560px){ .termin-types{grid-template-columns:1fr} }

/* =========================================================
   RESPONSIVE
========================================================= */
@media (max-width:1024px){
  .hero-grid,.about-grid,.kontakt-grid{grid-template-columns:1fr;gap:44px}
  .radar-wrap{max-width:320px}
  .cards,.steps{grid-template-columns:1fr 1fr}
  .stats .container{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:760px){
  .main-nav{position:absolute;top:88px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:22px 6%;gap:18px;border-bottom:1px solid var(--line);display:none}
  .main-nav.is-open{display:flex}
  .menu-button{display:flex}
  .nav-cta{width:100%;text-align:center}
  .cards,.steps,.svc-grid{grid-template-columns:1fr}
  .svc:nth-child(odd){border-right:none}
  .svc:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .svc:last-child{border-bottom:none}
  section{padding:72px 0}
  .legal-card{padding:32px 24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}