:root{--bg:#070b14;--panel:#101827;--panel2:#151f31;--line:#25334a;--red:#ff294f;--cyan:#20d7f4;--text:#f4f7fb;--muted:#aab6c8;--green:#43d9a3;--max:1180px;--radius:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;overflow-wrap:break-word}
img,svg{max-width:100%;height:auto}
a{color:var(--cyan);text-decoration:none}a:hover{color:#fff;text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}
.skip{position:absolute;left:-999px;top:8px;background:var(--cyan);color:#000;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,11,20,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-wrap{max-width:var(--max);margin:auto;padding:10px 18px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:#fff;letter-spacing:.2px}
.brand:hover{text-decoration:none;color:#fff}.brand em{color:var(--red);font-style:normal}.brand .bt{white-space:nowrap}
.brand svg{width:34px;height:34px;flex:none}
.menu-toggle{display:none;margin-left:auto;background:var(--panel);color:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer}
.nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.nav a{color:var(--text);padding:7px 9px;border-radius:9px;font-size:.92rem;white-space:nowrap}
.nav a:hover{background:var(--panel2);text-decoration:none}
.nav a[aria-current=page]{background:var(--red);color:#fff}
main{max-width:var(--max);margin:0 auto;padding:26px 18px 60px}
.hero{background:linear-gradient(135deg,#101a2e 0%,#0b1220 55%,#2a0d1b 100%);border:1px solid var(--line);border-radius:22px;padding:42px 30px;margin-bottom:28px}
.hero.has-img{position:relative;overflow:hidden;background:#0b1220;padding:0;min-height:340px}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero.has-img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,11,20,.88) 0%,rgba(7,11,20,.55) 50%,rgba(7,11,20,.12) 100%)}
.hero-in{position:relative;z-index:2;padding:56px 30px}
@media(max-width:700px){.hero.has-img::after{background:linear-gradient(180deg,rgba(7,11,20,.7),rgba(7,11,20,.5))}.hero-in{padding:36px 18px}}
.banner{display:block;width:100%;height:auto;border-radius:16px;margin:0 0 26px;border:1px solid var(--line)}
.hero h1{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.15;margin:0 0 14px}
.hero p{color:var(--muted);font-size:1.12rem;max-width:820px;margin:0 0 10px}
.page-head h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.2;margin:6px 0 14px}
.page-head{margin-bottom:22px}
.kicker{display:inline-block;color:var(--cyan);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;margin-bottom:10px}
.btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-block;background:var(--red);color:#fff;padding:11px 20px;border-radius:11px;font-weight:700}
.btn:hover{background:#ff4a69;color:#fff;text-decoration:none}
.btn.alt{background:transparent;border:1px solid var(--cyan);color:var(--cyan)}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:14px}.crumbs a{color:var(--muted)}
.meta{color:var(--muted);font-size:.9rem;display:flex;gap:16px;flex-wrap:wrap;margin:0 0 6px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:30px;align-items:start}
article{min-width:0}
article h2{font-size:1.65rem;line-height:1.25;margin:40px 0 12px;padding-top:6px;border-top:1px solid var(--line)}
article h2:first-of-type{border-top:0;margin-top:8px}
article h3{font-size:1.2rem;margin:26px 0 8px;color:#fff}
article p,article li{color:#dbe3ef}
article ul,article ol{padding-left:22px}article li{margin:6px 0}
.lead{font-size:1.15rem;color:#e9eef7}
aside{position:sticky;top:84px;max-height:calc(100vh - 100px);overflow-y:auto;scrollbar-width:thin}
aside .box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:18px}
aside h2{font-size:1rem;margin:0 0 8px;text-transform:uppercase;letter-spacing:.06em;color:var(--cyan)}
aside ol,aside ul{margin:0;padding-left:18px;font-size:.93rem}aside li{margin:5px 0}
.ic{flex:none;vertical-align:middle}
.ico{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,rgba(32,215,244,.18),rgba(255,41,79,.16));border:1px solid rgba(32,215,244,.4);color:var(--cyan);margin-bottom:14px;box-shadow:0 0 18px rgba(32,215,244,.12);transition:color .2s,border-color .2s}
.card{transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:var(--cyan)}.card:hover .ico{color:#fff;border-color:var(--red)}
.kicker .ic{vertical-align:-3px;margin-right:7px}
aside h2 .ic,footer h2 .ic{vertical-align:-4px;margin-right:8px;color:var(--cyan)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin:18px 0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3{margin:0 0 8px;font-size:1.15rem}.card p{margin:0 0 10px;color:var(--muted);font-size:.97rem}
.card a.more{font-weight:700}
.note{background:#0e2433;border-left:4px solid var(--cyan);padding:14px 18px;border-radius:10px;margin:20px 0;color:#dbe9f5}
.warn{background:#2b1620;border-left:4px solid var(--red);padding:14px 18px;border-radius:10px;margin:20px 0}
.tablewrap{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.96rem}
caption{caption-side:top;text-align:left;padding:12px 14px;color:var(--muted);font-size:.9rem}
th,td{padding:9px 14px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--panel2);color:#fff;position:sticky;top:0}
tbody tr:nth-child(even){background:#0c1424}tbody tr:hover{background:#13203a}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.filter{width:100%;max-width:420px;padding:11px 14px;background:var(--panel);border:1px solid var(--line);color:#fff;border-radius:10px;margin:8px 0}
dl.glossar dt{font-weight:800;color:#fff;margin-top:18px}dl.glossar dd{margin:4px 0 0;color:#dbe3ef}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:12px 0}
summary{cursor:pointer;font-weight:700;color:#fff}details p{margin:10px 0 0}
.calc{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:18px 0}
.calc .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px}
.calc label{display:block;font-size:.85rem;color:var(--muted)}
.calc input{width:100%;padding:9px 10px;background:#0a101c;border:1px solid var(--line);color:#fff;border-radius:8px}
.calc .out{margin-top:16px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.calc .out div{background:var(--panel2);border-radius:10px;padding:12px}.calc .out b{display:block;font-size:1.5rem;color:var(--green)}
.calc .out span{font-size:.82rem;color:var(--muted)}
.platzhalter{background:#ffe27a;color:#1b1500;padding:0 5px;border-radius:4px;font-weight:700}
footer{border-top:1px solid var(--line);background:#050810;color:var(--muted);font-size:.93rem}
.foot{max-width:var(--max);margin:auto;padding:34px 18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px}
footer h2{color:#fff;font-size:1rem;margin:0 0 10px}footer ul{list-style:none;padding:0;margin:0}footer li{margin:6px 0}
footer a{color:var(--muted)}footer a:hover{color:#fff}
.legal{max-width:var(--max);margin:auto;padding:0 18px 30px;font-size:.84rem;color:#7f8ca3}
@media(max-width:900px){.layout{grid-template-columns:1fr}aside{position:static;max-height:none;overflow:visible}}
@media(max-width:820px){.menu-toggle{display:block}.nav{display:none;width:100%;flex-direction:column;margin:0}.nav.open{display:flex}.nav a{padding:11px 12px}}
@media print{.site-header,footer,aside,.btns{display:none}body{background:#fff;color:#000}}