:root{--bg:#ffffff;--muted:#f6f7f8;--text:#172026;--soft:#5f6b73;--line:#dde3e7;--accent:#356b7a;--accent-soft:#edf5f7;--max:1120px;--radius:16px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.65;font-weight:400}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}.skip-link{position:absolute;left:-999px;top:auto}.skip-link:focus{left:1rem;top:1rem;background:#fff;border:1px solid var(--line);padding:.5rem;z-index:10}.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}.narrow{max-width:820px}.site-header{border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:5}.header-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:1rem}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--accent-soft);color:var(--accent);font-size:.86rem}.site-nav{display:flex;align-items:center;gap:22px;color:var(--soft);font-size:.96rem}.site-nav a[aria-current="page"]{color:var(--text)}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:.45rem .8rem}.section{padding:72px 0}.compact-top{padding-top:28px}.muted{background:var(--muted)}.hero{padding:88px 0 76px}.eyebrow{margin:0 0 10px;color:var(--accent);font-size:.9rem;letter-spacing:.03em}h1,h2,h3{font-weight:400;line-height:1.2;margin:0 0 16px}h1{font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.04em}h2{font-size:clamp(1.45rem,2vw,2rem);letter-spacing:-.02em}h3{font-size:1.12rem}.lead{font-size:1.15rem;color:var(--soft);max-width:760px}.actions,.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.button,button{border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:999px;padding:.72rem 1rem;font:inherit;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.button.quiet,button[type="reset"],button[data-example]{background:#fff;color:var(--accent);border-color:var(--line)}.button:hover,button:hover{text-decoration:none;filter:brightness(.98)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:24px}.section-head p{margin:0;color:var(--soft);max-width:520px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card,.note,.calculator-box,.mini,.list-item{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:22px;box-shadow:none}.card p,.note p,.mini p{color:var(--soft);margin-bottom:0}.card h3 a{text-decoration:none}.list-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.list-item{display:block}.list-item span{display:block;margin-bottom:6px}.list-item small{display:block;color:var(--soft);font-size:.95rem}.two-col,.calc-layout,.content-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:28px;align-items:start}.calc-layout{grid-template-columns:minmax(0,760px) minmax(260px,1fr)}.calc-form{display:grid;gap:16px}.form-row{display:grid;gap:6px}.form-row label{color:var(--soft)}input,select{width:100%;border:1px solid var(--line);border-radius:12px;padding:.76rem .85rem;font:inherit;background:#fff;color:var(--text)}.check label{display:flex;gap:10px;align-items:flex-start;color:var(--text)}.check input{width:auto;margin-top:.35rem}.result{margin-top:22px;border-top:1px solid var(--line);padding-top:18px;color:var(--text)}.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}.result-item{background:var(--accent-soft);border-radius:12px;padding:12px}.result-item span{display:block;color:var(--soft);font-size:.9rem}.result-item strong{font-weight:400;font-size:1.25rem}.content-grid article{min-width:0}.content-grid article p,.content-grid article li{color:var(--soft)}.content-grid article h2{margin-top:34px}.mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.stack{display:grid;gap:14px}details{border:1px solid var(--line);border-radius:12px;background:#fff;padding:16px 18px;margin:10px 0}summary{cursor:pointer}.site-footer{border-top:1px solid var(--line);padding:40px 0 24px;background:#fff}.footer-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:28px}.footer-title{margin-top:0}.footer-links{display:flex;flex-wrap:wrap;gap:14px;color:var(--soft)}.footer-bottom{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--soft);font-size:.92rem}@media(max-width:850px){.nav-toggle{display:inline-flex}.site-nav{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);padding:18px 22px;flex-direction:column;align-items:flex-start}.site-nav.open{display:flex}.card-grid,.mini-grid,.two-col,.calc-layout,.content-grid,.footer-grid,.list-grid{grid-template-columns:1fr}.section-head{display:block}.section{padding:48px 0}.hero{padding:64px 0}.header-inner{height:64px}.site-nav{top:64px}.result-grid{grid-template-columns:1fr}}

strong{font-weight:400}.legal-page .legal-section{margin-top:28px}.legal-page ul{color:var(--soft);padding-left:1.2rem}.side-calculator-nav{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;z-index:4}.side-calculator-title{margin:0 0 10px;color:var(--accent);font-size:.9rem;letter-spacing:.03em}.side-calculator-nav nav{display:grid;gap:8px}.side-calculator-nav a{color:var(--soft);font-size:.94rem;line-height:1.35}.side-calculator-nav a[aria-current="page"]{color:var(--text);text-decoration:underline;text-underline-offset:4px}@media(min-width:1100px){body.has-side-nav{--side-space:320px}.side-calculator-nav{position:fixed;top:96px;left:max(18px,calc((100vw - (var(--max) + var(--side-space)))/2 + 22px));width:226px}body.has-side-nav main .section>.wrap{max-width:calc(var(--max) + var(--side-space));padding-left:calc(var(--side-space) + 22px)}body.has-side-nav main .hero>.wrap.narrow,body.has-side-nav main .legal-page>.wrap.narrow{max-width:calc(820px + var(--side-space));padding-left:calc(var(--side-space) + 22px)}}@media(max-width:1099px){.side-calculator-nav{margin:16px 22px 0}.side-calculator-nav nav{display:flex;flex-wrap:wrap;gap:10px 14px}}@media(max-width:850px){.side-calculator-nav{margin:12px 22px 0;padding:12px}.side-calculator-nav a{font-size:.9rem}}


/* AdSense-Qualitätsausbau: längere redaktionelle Inhalte, Quellenboxen und Tabellen */
.trust-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:28px}.trust-strip .mini{background:var(--accent-soft)}.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--soft);font-size:.94rem;margin:18px 0 0}.source-list{display:grid;gap:10px;margin-top:12px}.source-list a{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff;color:var(--accent);text-decoration:none}.source-list a:hover{text-decoration:underline}.fact-box{border:1px solid var(--line);background:var(--accent-soft);border-radius:var(--radius);padding:22px;margin:24px 0}.table-wrap{overflow-x:auto;margin:20px 0}.simple-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.simple-table th,.simple-table td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}.simple-table th{color:var(--accent);font-weight:400;background:var(--accent-soft)}.simple-table tr:last-child td{border-bottom:0}.content-grid article .source-note,.source-note{font-size:.94rem;color:var(--soft)}.checklist{display:grid;gap:10px;margin:18px 0}.checklist li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px}.author-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px;margin-top:18px}.warning-note{border-left:4px solid var(--accent);padding-left:16px;color:var(--soft)}.article-list{display:grid;gap:18px}.article-list .card{display:grid;gap:6px}.kpi-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:22px 0}.kpi{border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff}.kpi span{display:block;color:var(--soft);font-size:.9rem}.kpi strong{font-size:1.4rem;font-weight:400;color:var(--accent)}@media(max-width:850px){.trust-strip,.kpi-row{grid-template-columns:1fr}.simple-table{font-size:.95rem}}