*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --pr:#5C6B9C;--pr-d:#4a5780;--pr-l:#eef0f7;
  --tx:#1e293b;--tx-m:#64748b;--sur:#fff;--bg:#f1f5f9;
  --bd:#e2e8f0;--ok:#16a34a;--warn:#f59e0b;
  --r:10px;--sh:0 1px 3px rgba(0,0,0,.1),0 1px 2px rgba(0,0,0,.06);
  --sh2:0 4px 6px rgba(0,0,0,.07),0 2px 4px rgba(0,0,0,.06);
  --font:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font);color:var(--tx);background:var(--bg);line-height:1.6}
a{color:var(--pr);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.container{max-width:960px;margin:0 auto;padding:0 16px}
.section{padding:48px 0}
.section-sm{padding:24px 0}

/* Site header */
.site-header{
  background:var(--pr);color:#fff;padding:12px 0;
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 8px rgba(0,0,0,.2)
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-logo{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:1.05rem;text-decoration:none}
.site-logo:hover{text-decoration:none}
.site-logo span{font-size:1.4rem}
.nav-links{display:flex;gap:20px}
.nav-links a{color:rgba(255,255,255,.85);font-size:.9rem}
.nav-links a:hover{color:#fff;text-decoration:none}

/* Hero */
.hero{
  background:linear-gradient(135deg,#5C6B9C 0%,#4a5780 60%,#3a4570 100%);
  color:#fff;padding:64px 0 56px;text-align:center
}
.hero h1{font-size:clamp(1.55rem,4vw,2.5rem);font-weight:800;line-height:1.2;margin-bottom:16px}
.hero .sub{font-size:clamp(.9rem,2vw,1.1rem);opacity:.9;max-width:600px;margin:0 auto 28px}
.hero-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.badge{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);
       padding:5px 13px;border-radius:999px;font-size:.83rem}

/* Module grid */
.cat-section{margin-bottom:32px}
.cat-title{
  display:flex;align-items:center;gap:10px;
  font-size:.88rem;font-weight:700;color:var(--tx-m);
  text-transform:uppercase;letter-spacing:.06em;
  margin-bottom:12px;padding-bottom:8px;
  border-bottom:2px solid var(--bd)
}
.module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(195px,1fr));gap:12px}
.module-card{
  background:var(--sur);border:1px solid var(--bd);border-radius:var(--r);
  padding:16px;text-decoration:none;color:var(--tx);
  display:flex;flex-direction:column;gap:6px;
  transition:box-shadow .15s,transform .15s,border-color .15s;box-shadow:var(--sh)
}
.module-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:var(--pr);text-decoration:none;color:var(--tx)}
.mc-icon{font-size:1.55rem;line-height:1}
.mc-title{font-weight:700;font-size:.93rem;line-height:1.3}
.mc-sub{font-size:.78rem;color:var(--tx-m);line-height:1.4}

/* App CTA */
.app-cta{
  background:linear-gradient(135deg,#0f172a,#1e3a8a);color:#fff;
  border-radius:16px;padding:40px 32px;
  display:flex;align-items:center;gap:32px;margin:32px 0
}
.act-text h2{font-size:1.4rem;font-weight:800;margin-bottom:10px}
.act-text p{opacity:.85;font-size:.92rem;max-width:480px}
.act-btns{display:flex;flex-direction:column;gap:10px;min-width:155px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 20px;border-radius:8px;font-weight:600;font-size:.88rem;
  transition:opacity .15s,transform .1s;cursor:pointer;text-decoration:none;white-space:nowrap
}
.btn:hover{opacity:.9;transform:translateY(-1px);text-decoration:none}
.btn-pri{background:var(--pr);color:#fff}
.btn-light{background:#fff;color:var(--pr)}
.btn-out{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-green{background:#16a34a;color:#fff}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.83rem;color:var(--tx-m)}
.breadcrumb a{color:var(--tx-m)}
.breadcrumb a:hover{color:var(--pr)}
.breadcrumb .sep{margin:0 6px}

/* Module hero */
.mod-hero{
  background:linear-gradient(135deg,#5C6B9C 0%,#4a5780 100%);
  color:#fff;padding:36px 0 28px
}
.mod-hero h1{font-size:clamp(1.35rem,3.5vw,2rem);font-weight:800;line-height:1.25;margin-bottom:8px}
.mod-hero p{font-size:.92rem;opacity:.9;max-width:600px;margin-top:6px}
.mh-meta{font-size:.87rem;opacity:.85;display:flex;flex-wrap:wrap;gap:14px;margin-top:10px}

/* Stats bar */
.stats-bar{
  background:var(--sur);border-radius:var(--r);padding:14px 20px;
  border:1px solid var(--bd);display:flex;flex-wrap:wrap;gap:20px;margin-bottom:20px
}
.stat-v{font-size:1.3rem;font-weight:800;color:var(--pr)}
.stat-l{font-size:.73rem;color:var(--tx-m);text-transform:uppercase;letter-spacing:.05em}

/* Module intro */
.mod-intro{
  background:var(--sur);border-radius:var(--r);padding:18px 20px;
  margin-bottom:24px;border:1px solid var(--bd)
}
.kw-list{display:flex;flex-wrap:wrap;gap:7px;margin-top:10px}
.kw{background:var(--pr-l);color:var(--pr);padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:500}

/* Module intro text */
.mod-intro-text{margin-bottom:20px}
.mod-intro-text p{font-size:.93rem;line-height:1.75;color:var(--tx)}
.mod-intro-text strong{color:var(--pr)}

/* TOC */
.toc{
  background:var(--sur);border:1px solid var(--bd);border-radius:var(--r);
  padding:20px;margin-bottom:24px
}
.toc h3{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--tx-m);margin-bottom:14px}
.toc-btns{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0}
.toc-btns li{flex:1;min-width:180px}
.toc-btns a{
  display:flex;align-items:center;gap:8px;
  padding:13px 18px;
  background:var(--pr-l);color:var(--pr);
  border:2px solid var(--pr);border-radius:var(--r);
  font-size:.9rem;font-weight:700;line-height:1.3;
  text-decoration:none;transition:background .15s,color .15s
}
.toc-btns a:hover{background:var(--pr);color:#fff;text-decoration:none}
.toc-btns .toc-num{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;
  background:var(--pr);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:.75rem;font-weight:800
}
.toc-btns a:hover .toc-num{background:#fff;color:var(--pr)}

/* Checklist section */
.cl-section{margin-bottom:40px;scroll-margin-top:72px}
.cl-section h2{
  font-size:1.15rem;font-weight:700;
  padding:15px 20px;background:var(--pr);color:#fff;
  border-radius:var(--r) var(--r) 0 0;
  display:flex;align-items:center;gap:10px
}
.cl-body{background:var(--sur);border:1px solid var(--bd);border-top:none;border-radius:0 0 var(--r) var(--r)}
.step-item{padding:18px 20px;border-bottom:1px solid var(--bd);display:flex;gap:14px}
.step-item:last-child{border-bottom:none}
.step-num{
  flex-shrink:0;width:30px;height:30px;
  background:var(--pr-l);color:var(--pr);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.82rem;margin-top:3px
}
.step-content{flex:1;min-width:0}
/* Step head – clickable toggle row */
.step-head{display:flex;align-items:flex-start;gap:10px;margin-bottom:0;cursor:pointer;user-select:none}
.step-head:hover h3{color:var(--pr)}
.step-head input[type=checkbox]{
  width:17px;height:17px;flex-shrink:0;margin-top:5px;
  cursor:pointer;accent-color:var(--pr)
}
.step-head h3{margin:0;font-size:.97rem;font-weight:700;line-height:1.4;flex:1}
.step-arrow{flex-shrink:0;color:var(--tx-m);font-size:.7rem;margin-top:6px;margin-left:4px;transition:transform .2s}
/* Step body – collapsed via JS after load (SEO: visible before JS) */
.step-body{margin-top:10px}
body.js .step-body{display:none}
body.js .step-item.open .step-body{display:block}
body.js .step-item.open .step-arrow{transform:rotate(180deg)}
.step-desc{font-size:.88rem;color:var(--tx);line-height:1.68;margin-bottom:10px}
.step-desc strong{color:var(--tx)}
.step-desc p{margin-bottom:8px}
.step-desc p:last-child{margin-bottom:0}
.step-docs{margin-top:10px}
.step-docs h4{
  font-size:.75rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.05em;color:var(--tx-m);margin-bottom:6px
}
.doc{
  background:#f8fafc;border:1px solid var(--bd);border-radius:6px;
  padding:9px 12px;margin-bottom:5px;font-size:.85rem
}
.doc.opt{border-left:3px solid #0ea5e9}
.doc-name{font-weight:600;color:var(--tx);display:flex;align-items:center;gap:0;flex-wrap:wrap}
/* Info button */
.doc-i{
  display:inline-flex;align-items:center;justify-content:center;
  width:17px;height:17px;border-radius:50%;
  background:var(--pr);color:#fff;
  border:none;font-size:.65rem;font-weight:700;font-style:italic;
  cursor:pointer;margin-left:7px;flex-shrink:0;line-height:1;
  vertical-align:middle
}
.doc-i:hover{background:var(--pr-d)}
/* Info panel – visible to crawlers, hidden after JS loads */
.doc-ip{
  width:100%;margin-top:8px;padding:10px 12px;
  background:#fff;border:1px solid var(--bd);border-radius:6px;
  font-size:.82rem;line-height:1.6;color:var(--tx-m);
  box-shadow:0 3px 10px rgba(0,0,0,.08)
}
.doc-ip strong{color:var(--tx)}
.doc-ip p{margin-bottom:5px}
.doc-ip p:last-child{margin-bottom:0}
body.js .doc-ip{display:none}
body.js .doc-ip.open{display:block}
.step-resp{margin-top:8px;font-size:.8rem;color:var(--tx-m)}
.step-resp strong{color:var(--tx)}
.state-note{border-left:3px solid var(--warn);background:#fffbeb;padding:8px 12px;border-radius:0 6px 6px 0;font-size:.82rem;margin-top:8px}
/* Step app hint */
.step-app-hint{
  margin-top:12px;padding:9px 12px;
  background:#f0f4ff;border-left:3px solid var(--pr);border-radius:0 6px 6px 0;
  font-size:.8rem;color:var(--tx-m);line-height:1.5;display:flex;align-items:center;flex-wrap:wrap;gap:6px
}
.step-app-hint strong{color:var(--tx)}
.step-app-hint .sah-links{display:flex;gap:8px;flex-shrink:0}
.step-app-hint .sah-links a{
  color:#fff;background:var(--pr);padding:2px 9px;border-radius:999px;
  font-size:.75rem;font-weight:600;text-decoration:none;white-space:nowrap
}
.step-app-hint .sah-links a:hover{background:var(--pr-d);text-decoration:none}

/* Bottom app promo */
.app-promo-bottom{
  background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 100%);
  color:#fff;padding:52px 0;margin-top:16px
}
.apb-inner{display:flex;align-items:center;gap:48px;flex-wrap:wrap}
.apb-text{flex:1;min-width:280px}
.apb-eyebrow{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;opacity:.65;margin-bottom:8px}
.app-promo-bottom h2{font-size:clamp(1.3rem,3vw,1.9rem);font-weight:800;margin-bottom:10px;line-height:1.2}
.app-promo-bottom > .container > .apb-inner > .apb-text > p{opacity:.85;font-size:.95rem;margin-bottom:18px;max-width:480px}
.apb-features{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:7px 20px}
.apb-features li{font-size:.85rem;opacity:.9;display:flex;align-items:center;gap:6px}
.apb-btns{display:flex;flex-direction:column;gap:14px;flex-shrink:0;min-width:210px}
.apb-store-btn{
  display:flex;align-items:center;gap:14px;
  padding:14px 22px;border-radius:12px;color:#fff;text-decoration:none;
  min-width:210px;transition:background .15s,border-color .15s,transform .1s;
  border:2px solid transparent
}
.apb-store-btn:hover{transform:translateY(-2px);text-decoration:none;color:#fff}
.apb-ios{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.35)}
.apb-ios:hover{background:rgba(255,255,255,.25);border-color:rgba(255,255,255,.6)}
.apb-android{background:rgba(76,175,80,.35);border-color:rgba(76,175,80,.55)}
.apb-android:hover{background:rgba(76,175,80,.5);border-color:rgba(76,175,80,.8)}
.apb-store-icon{font-size:2rem;flex-shrink:0;line-height:1}
.apb-store-sub{display:block;font-size:.7rem;opacity:.75;font-weight:400;letter-spacing:.03em}
.apb-store-name{display:block;font-size:1.05rem;font-weight:700;line-height:1.25}
@media(max-width:640px){
  .apb-inner{flex-direction:column;text-align:center}
  .apb-features{grid-template-columns:1fr;justify-items:start}
  .apb-btns{width:100%}
  .apb-store-btn{justify-content:center;min-width:0}
}

/* FAQ */
.faq-section{padding:40px 0}
.faq-section h2{font-size:1.3rem;font-weight:700;margin-bottom:18px}
.faq-item{border:1px solid var(--bd);border-radius:var(--r);margin-bottom:7px;overflow:hidden}
.faq-q{
  padding:15px 18px;font-weight:600;font-size:.92rem;
  cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px;
  background:var(--sur);border:none;width:100%;text-align:left;
}
.faq-q:hover{background:var(--pr-l)}
.faq-arrow{color:var(--pr);transition:transform .2s;flex-shrink:0}
.faq-q[aria-expanded=true] .faq-arrow{transform:rotate(180deg)}
.faq-a{padding:14px 18px;font-size:.88rem;line-height:1.7;background:#f8fafc;display:none}
.faq-a.open{display:block}

/* Related */
.rel-section h2{font-size:1.15rem;font-weight:700;margin-bottom:14px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:10px}

/* App overlay */
.app-overlay{
  display:none;position:fixed;inset:0;z-index:1000;
  background:rgba(0,0,0,.6);align-items:center;justify-content:center;padding:16px
}
.app-overlay.active{display:flex}
.ao-box{
  background:#fff;border-radius:16px;padding:30px;max-width:390px;width:100%;
  text-align:center;position:relative;
  animation:slideUp .25s ease
}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
.ao-icon{font-size:2.8rem;margin-bottom:10px}
.ao-box h3{font-size:1.25rem;font-weight:800;margin-bottom:7px}
.ao-box p{font-size:.88rem;color:var(--tx-m);margin-bottom:18px}
.ao-btns{display:flex;flex-direction:column;gap:9px}
.ao-close{
  position:absolute;top:10px;right:14px;background:none;border:none;
  font-size:1.4rem;cursor:pointer;color:var(--tx-m);line-height:1
}
.ao-dismiss{font-size:.78rem;color:var(--tx-m);cursor:pointer;margin-top:8px;text-decoration:underline;background:none;border:none}

/* Footer */
.site-footer{background:#0f172a;color:rgba(255,255,255,.7);padding:40px 0 22px;margin-top:48px}
.ft-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px;margin-bottom:28px}
.ft-grid h3{color:#fff;font-size:.88rem;font-weight:700;margin-bottom:10px}
.ft-grid ul{list-style:none;display:flex;flex-direction:column;gap:5px}
.ft-grid ul a{color:rgba(255,255,255,.65);font-size:.83rem}
.ft-grid ul a:hover{color:#fff;text-decoration:none}
.ft-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:18px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:.78rem
}
.ft-bottom a{color:rgba(255,255,255,.55)}

/* DSGVO-Banner */
.dsgvo-banner{
  position:fixed;bottom:0;left:0;right:0;z-index:3000;
  background:#1e293b;color:#fff;
  padding:16px;
  box-shadow:0 -4px 20px rgba(0,0,0,.35);
  display:none
}
.dsgvo-banner.visible{display:block}
.dsgvo-inner{
  max-width:960px;margin:0 auto;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap
}
.dsgvo-text{flex:1;min-width:260px}
.dsgvo-text strong{display:block;font-size:.95rem;font-weight:700;margin-bottom:4px}
.dsgvo-text p{font-size:.83rem;line-height:1.55;opacity:.85;margin:0}
.dsgvo-text a{color:rgba(255,255,255,.75);font-size:.8rem;text-decoration:underline}
.dsgvo-text a:hover{color:#fff}
.dsgvo-btns{display:flex;gap:10px;flex-shrink:0}
.dsgvo-rej{
  background:transparent;color:#fff;
  border:2px solid rgba(255,255,255,.45);
  padding:10px 20px;border-radius:8px;
  font-weight:600;font-size:.88rem;cursor:pointer;
  transition:border-color .15s
}
.dsgvo-rej:hover{border-color:#fff}
.dsgvo-acc{
  background:var(--pr);color:#fff;border:2px solid var(--pr);
  padding:10px 20px;border-radius:8px;
  font-weight:600;font-size:.88rem;cursor:pointer;
  transition:background .15s
}
.dsgvo-acc:hover{background:var(--pr-d);border-color:var(--pr-d)}
@media(max-width:560px){
  .dsgvo-btns{width:100%}
  .dsgvo-rej,.dsgvo-acc{flex:1;text-align:center}
}

/* Legal */
.legal{background:var(--sur);border-radius:var(--r);padding:32px;border:1px solid var(--bd)}
.legal h1{font-size:1.7rem;font-weight:800;margin-bottom:22px}
.legal h2{font-size:1.05rem;font-weight:700;margin:22px 0 7px}
.legal p,.legal li{font-size:.92rem;line-height:1.75;color:var(--tx);margin-bottom:8px}
.legal ul{padding-left:20px}

/* Responsive */
@media(max-width:768px){
  .hero{padding:40px 0 32px}
  .app-cta{flex-direction:column;text-align:center;padding:26px 18px}
  .act-btns{width:100%}
  .ft-grid{grid-template-columns:1fr 1fr}
  .module-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
}
@media(max-width:480px){
  .ft-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:1fr 1fr}
  .step-item{flex-direction:column;gap:6px}
}