:root{
  --bg:#0e1726; --bg2:#13203353; --panel:#132033; --card:#1a2a41; --line:#26384f;
  --txt:#eaf1fb; --dim:#9fb2cc; --cyan:#28c5d6; --cyan-d:#1798a8;
  --mint:#7fe3b0; --ink:#06121f; --ok:#7fe3b0; --no:#f6a3a3; --rad:14px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font-family:'Inter',system-ui,Segoe UI,Arial,sans-serif;line-height:1.72;font-size:17px}
a{color:var(--cyan)}
img{max-width:100%;height:auto}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px;z-index:99}
main{max-width:900px;margin:0 auto;padding:22px 16px 60px}
h1,h2,h3{font-family:'Space Grotesk','Segoe UI',sans-serif}
h1{font-size:2.0em;line-height:1.2;font-weight:700;margin:.25em 0 .2em;letter-spacing:-.4px}
h2{font-size:1.42em;font-weight:700;margin:1.85em 0 .5em;padding-left:14px;border-left:4px solid var(--cyan)}
h3{font-size:1.1em;font-weight:700;margin:1.1em 0 .4em}
p{margin:.7em 0}
ul,ol{margin:.6em 0}
.date{color:var(--dim);font-size:.84em;margin-top:0}
.intro{background:linear-gradient(135deg,rgba(40,197,214,.15),rgba(127,227,176,.07));border:1px solid var(--line);border-left:4px solid var(--mint);border-radius:var(--rad);padding:16px 18px;font-size:1.05em}
/* header */
.topbar{position:sticky;top:0;z-index:50;background:rgba(14,23,38,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:11px 16px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--txt);font-weight:700}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--cyan-d));color:#04121a;font-weight:700;font-size:.95em;letter-spacing:.5px;font-family:'Space Grotesk',sans-serif}
.brand-txt{font-size:1.02em;font-family:'Space Grotesk',sans-serif;line-height:1.05}
.brand-txt small{display:block;font-family:'Inter',sans-serif;font-size:.62em;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--mint)}
.menu{display:flex;align-items:center;gap:18px;margin-left:auto}
.menu a{color:var(--dim);text-decoration:none;font-size:.95em;font-weight:600}
.menu a:hover,.menu a.on{color:var(--txt)}
.btn{display:inline-block;border-radius:10px;font-weight:700;text-decoration:none;cursor:pointer;text-align:center;background:linear-gradient(135deg,var(--cyan),var(--cyan-d));color:#04121a;padding:11px 21px}
.btn:hover{filter:brightness(1.08)}
.btn-bar{padding:9px 17px;font-size:.92em;color:#fff}
.btn-xl{font-size:1.12em;padding:15px 32px}
.burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:8px;margin-left:auto}
.burger span{display:block;width:26px;height:3px;background:var(--txt);border-radius:2px;transition:.2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
/* breadcrumb */
.crumbs{font-size:.84em;color:var(--dim);margin:4px 0 12px}
.crumbs a{color:var(--dim);text-decoration:none}
.crumbs a:hover{color:var(--txt)}
.crumbs span{opacity:.6}
.home-crumbs{display:none}
/* befund (verdict) */
.befund{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;margin:14px 0 22px}
.befund-top{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.befund-num{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:2em;color:var(--cyan)}
.befund-max{color:var(--dim)}
.befund-top strong{font-family:'Space Grotesk',sans-serif;font-size:1.05em;margin-left:6px}
.bar{height:12px;border-radius:8px;background:var(--line);overflow:hidden;margin:12px 0 8px}
.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--mint))}
.befund-note{margin:0;color:var(--dim);font-size:.92em}
/* eckdaten */
.eck{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}
.ed{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px;text-align:center;display:flex;flex-direction:column;gap:5px}
.ed-v{font-weight:700;font-size:1.12em;color:var(--mint);font-family:'Space Grotesk',sans-serif}
.ed-k{color:var(--dim);font-size:.78em}
/* cta */
.cta-wrap{text-align:center;margin:28px 0}
/* rails (score bars) */
.rail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0}
.rail{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:15px}
.rail-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.rail-top span:first-child{font-weight:700;font-family:'Space Grotesk',sans-serif}
.rail-n{color:var(--cyan);font-weight:700}
.rail-track{height:8px;border-radius:6px;background:var(--line);overflow:hidden;margin:9px 0}
.rail-track span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--mint))}
.rail p{margin:.3em 0 0;color:var(--dim);font-size:.9em}
/* bilanz (pro/contra) */
.bilanz{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
.bil-card{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:15px}
.plus h3{color:var(--ok);margin-top:0}
.minus h3{color:var(--no);margin-top:0}
.bil-card ul{margin:0;padding-left:18px}
.bil-card li{margin:.35em 0}
/* switch (tabs) */
.switch{margin:20px 0}
.sw-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.sw-btn{background:var(--card);border:1px solid var(--line);color:var(--dim);border-radius:10px;padding:9px 16px;cursor:pointer;font-weight:700;font-family:'Space Grotesk',sans-serif;font-size:.92em}
.sw-btn.on{background:var(--cyan);color:#04121a;border-color:var(--cyan)}
.sw-pane{display:none;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px 16px}
.sw-pane.on{display:block}
/* hinweis (note) */
.hinweis{display:flex;gap:12px;align-items:flex-start;background:rgba(127,227,176,.1);border:1px solid var(--line);border-left:4px solid var(--mint);border-radius:12px;padding:13px 16px;margin:18px 0}
.hinweis-i{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:var(--mint);color:var(--ink);font-weight:700;display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk',sans-serif}
.hinweis p{margin:0;color:var(--dim);font-size:.95em}
/* calc */
.calc{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;margin:22px 0}
.calc h2{margin-top:.2em}
.calc-lead{color:var(--dim);font-size:.95em}
.calc-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:14px 0}
.calc-row label{font-weight:700;font-family:'Space Grotesk',sans-serif;min-width:110px}
.slider{flex:1;min-width:160px;accent-color:var(--cyan)}
.calc-row output{font-weight:700;color:var(--mint);min-width:70px;text-align:right}
.calc-out{display:flex;gap:14px}
.calc-box{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;text-align:center;flex:1}
.calc-box span{display:block;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.6em;color:var(--cyan)}
.calc-box small{color:var(--dim);font-size:.82em}
/* tables */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0;border:1px solid var(--line);border-radius:13px}
table{border-collapse:collapse;width:100%;min-width:420px}
th,td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--panel);font-weight:700}
tbody tr:last-child td{border-bottom:0}
/* steps */
.flow{counter-reset:s;list-style:none;padding:0;margin:16px 0}
.flow li{position:relative;padding:11px 14px 11px 50px;background:var(--card);border:1px solid var(--line);border-radius:12px;margin:9px 0}
.flow li::before{counter-increment:s;content:counter(s);position:absolute;left:11px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:9px;background:var(--cyan);color:#04121a;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85em}
/* figures */
.snap{margin:22px 0;text-align:center}
.snap img{width:92%;border-radius:13px;box-shadow:0 10px 30px rgba(0,0,0,.5);cursor:zoom-in}
.snap figcaption{color:var(--dim);font-size:.85em;margin-top:8px}
/* faq */
.faq{margin:32px 0}
.qa{background:var(--card);border:1px solid var(--line);border-radius:12px;margin:10px 0;overflow:hidden}
.qa summary{cursor:pointer;padding:15px 16px;font-weight:700;list-style:none;min-height:44px;display:flex;align-items:center;font-family:'Space Grotesk',sans-serif}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";margin-left:auto;color:var(--cyan);font-size:1.35em}
.qa[open] summary::after{content:"–"}
.qa-body{padding:0 16px 15px;color:var(--dim)}
/* footer */
.foot{background:var(--panel);border-top:1px solid var(--line);margin-top:46px}
.foot-grid{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.1fr 1fr 1fr 1.4fr;gap:24px;padding:32px 16px}
.foot-name{font-weight:700;font-size:1.12em;margin-bottom:8px;font-family:'Space Grotesk',sans-serif}
.foot-tag{color:var(--mint);font-size:.7em;letter-spacing:2px;text-transform:uppercase}
.foot h3{font-size:.95em;margin:0 0 10px;font-family:'Inter',sans-serif}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:.3em 0}
.foot a{color:var(--dim);text-decoration:none}
.foot a:hover{color:var(--txt)}
.dim{color:var(--dim);font-size:.85em}
.age{display:inline-block;border:2px solid var(--no);color:var(--no);border-radius:8px;padding:2px 9px;font-weight:700;margin-top:8px}
.foot-legal{max-width:1120px;margin:0 auto;padding:16px;border-top:1px solid var(--line);color:var(--dim);font-size:.8em}
/* back to top */
.totop{position:fixed;right:18px;bottom:18px;width:46px;height:46px;border-radius:50%;border:0;background:var(--cyan);color:#04121a;font-size:1.3em;font-weight:700;cursor:pointer;display:none;z-index:60;box-shadow:0 6px 18px rgba(0,0,0,.45)}
.totop.show{display:block}
/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(4,9,16,.93);display:flex;align-items:center;justify-content:center;z-index:80;padding:20px;cursor:zoom-out}
.lightbox[hidden]{display:none}
.lightbox img{max-width:96%;max-height:92%;border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.6)}
@media(max-width:860px){
  .eck{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  body{font-size:16px}
  h1{font-size:1.55em}h2{font-size:1.25em}h3{font-size:1.06em}
  main{padding:14px 12px 42px}
  .burger{display:flex}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--panel);border-bottom:1px solid var(--line);padding:8px 12px 14px}
  .menu.open{display:flex}
  .menu a{padding:12px 6px;border-bottom:1px solid var(--line)}
  .btn-bar{margin-top:10px;border-bottom:0!important}
  .rail-grid{grid-template-columns:1fr}
  .bilanz{grid-template-columns:1fr}
  .snap img{width:100%}
}