*{box-sizing:border-box}
:root{--ink:#0a0a0a;--muted:#555;--line:#e6e6e6;--soft:#f5f5f5}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:"Montserrat",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:18px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.entwurf{background:var(--ink);color:#fff;font-size:13px;text-align:center;padding:7px 12px;letter-spacing:.2px}

/* Navigation */
.nav{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:20}
.nav .in{max-width:1180px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav img{height:42px;width:auto}
.nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0;font-size:15px;font-weight:500}
.nav ul a{text-decoration:none}
.nav ul a:hover,.nav ul a.aktiv{text-decoration:underline;text-underline-offset:5px}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;font-weight:700;padding:16px 30px;border:2px solid var(--ink);transition:background .15s,color .15s;font-size:17px;cursor:pointer;font-family:inherit}
.btn:hover{background:#fff;color:var(--ink)}
.btn.klein{padding:10px 18px;font-size:14px}
.btn.hell{background:#fff;color:var(--ink);border-color:#fff}
.btn.hell:hover{background:var(--ink);color:#fff}
.menu-btn{display:none;background:none;border:0;font-size:28px;cursor:pointer}

/* Brief-Layout (Thesis) */
.brief{max-width:760px;margin:0 auto;padding:70px 24px 40px}
.dach{font-size:14px;text-transform:uppercase;letter-spacing:2px;font-weight:600;color:var(--muted);margin:0 0 18px;text-align:center}
h1{font-size:44px;line-height:1.15;font-weight:800;margin:0 0 22px;text-align:center;letter-spacing:-.5px}
h1 u,h2 u{text-decoration-thickness:4px;text-underline-offset:6px}
.unter{font-size:22px;line-height:1.5;text-align:center;font-weight:500;margin:0 0 40px;color:#222}
.absender{display:flex;align-items:center;gap:16px;justify-content:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin:0 0 44px}
.absender .foto{width:64px;height:64px;border-radius:50%;object-fit:cover;background:var(--soft);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted);text-align:center;line-height:1.2}
.absender b{display:block;font-size:17px}
.absender span{font-size:15px;color:var(--muted)}
.brief p{margin:0 0 22px}
.brief h2{font-size:32px;line-height:1.25;font-weight:800;margin:56px 0 22px;letter-spacing:-.3px}
.brief h3{font-size:23px;margin:36px 0 14px}
.pain{list-style:none;padding:0;margin:0 0 28px}
.pain li{position:relative;padding:0 0 0 34px;margin:0 0 18px}
.pain li:before{content:"✕";position:absolute;left:0;top:0;font-weight:800}
.check{list-style:none;padding:0;margin:0 0 28px}
.check li{position:relative;padding:0 0 0 34px;margin:0 0 16px}
.check li:before{content:"✓";position:absolute;left:0;top:0;font-weight:800}
.wahrheit{background:var(--ink);color:#fff;padding:34px 36px;margin:44px 0;font-size:24px;line-height:1.45;font-weight:700}
.kasten{border:2px solid var(--ink);padding:28px 30px;margin:36px 0}
.kasten p:last-child{margin-bottom:0}
.zahl{font-size:46px;font-weight:800;line-height:1;margin:0 0 6px}
.zahlen{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:2px solid var(--ink);margin:30px 0 36px}
.zahlen div{padding:24px 20px;border-right:2px solid var(--ink)}
.zahlen div:last-child{border-right:0}
.zahlen span{font-size:15px;color:var(--muted);line-height:1.4;display:block}
.nummern{counter-reset:n;list-style:none;padding:0;margin:0 0 30px}
.nummern li{counter-increment:n;position:relative;padding:0 0 0 64px;margin:0 0 26px;min-height:44px}
.nummern li:before{content:counter(n);position:absolute;left:0;top:0;width:44px;height:44px;background:var(--ink);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:20px}
.cta{text-align:center;margin:40px 0 50px}
.cta small{display:block;margin-top:12px;font-size:14px;color:var(--muted)}
.gruss{margin-top:40px}
.unterschrift{font-family:"Brush Script MT","Segoe Script",cursive;font-size:38px;margin:4px 0 0}
.ps{border-top:1px solid var(--line);margin-top:40px;padding-top:24px;font-size:17px}

/* Weiterführend */
.weiter{background:var(--soft);border-top:1px solid var(--line);padding:70px 24px}
.weiter .in{max-width:1180px;margin:0 auto}
.weiter h2{text-align:center;font-size:32px;margin:0 0 40px}
.karten{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.karte{background:#fff;border:1px solid var(--line);padding:32px 28px;display:flex;flex-direction:column}
.karte .nr{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--muted);text-transform:uppercase;margin-bottom:10px}
.karte h3{font-size:24px;margin:0 0 12px;line-height:1.25}
.karte p{font-size:16px;color:#333;margin:0 0 22px;flex:1}
.karte a.link{font-weight:700;text-decoration:none;border-bottom:2px solid var(--ink);align-self:flex-start;padding-bottom:2px}

/* Vergleich */
table.vs{width:100%;border-collapse:collapse;margin:20px 0 36px;font-size:16px}
table.vs th,table.vs td{border:1px solid var(--ink);padding:12px 14px;text-align:left;vertical-align:top}
table.vs th{background:var(--ink);color:#fff}

/* Formular */
.formular{border:2px solid var(--ink);padding:34px 32px;margin:30px 0}
.formular fieldset{border:0;padding:0;margin:0 0 26px}
.formular legend{font-weight:700;margin-bottom:12px;font-size:18px}
.formular label.opt{display:block;border:1px solid var(--line);padding:12px 14px;margin:0 0 8px;cursor:pointer;font-size:16px}
.formular label.opt:hover{border-color:var(--ink)}
.formular input[type=radio]{margin-right:10px}
.formular input[type=text],.formular input[type=email],.formular input[type=tel]{width:100%;padding:14px;border:1px solid #bbb;font-size:16px;font-family:inherit;margin:0 0 12px}
.formular .hinweis{font-size:14px;color:var(--muted)}
#danke{display:none;border:2px solid var(--ink);padding:28px;margin:30px 0;font-weight:600}

/* Footer */
footer{background:var(--ink);color:#fff;padding:56px 24px 40px;font-size:15px}
footer .in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
footer img{height:44px;width:auto;margin-bottom:18px}
footer h4{margin:0 0 12px;font-size:15px;text-transform:uppercase;letter-spacing:1.5px}
footer ul{list-style:none;margin:0;padding:0}
footer li{margin:0 0 8px}
footer a{text-decoration:none;color:#ddd}
footer a:hover{color:#fff;text-decoration:underline}
footer .klein{grid-column:1/-1;border-top:1px solid #333;padding-top:22px;color:#999;font-size:13px}

@media(max-width:900px){
  body{font-size:17px}
  h1{font-size:32px}.unter{font-size:19px}
  .brief h2{font-size:26px}
  .wahrheit{font-size:20px;padding:26px}
  .karten,.zahlen{grid-template-columns:1fr}
  .zahlen div{border-right:0;border-bottom:2px solid var(--ink)}
  .zahlen div:last-child{border-bottom:0}
  footer .in{grid-template-columns:1fr}
  .menu-btn{display:block}
  .nav ul{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;border-bottom:1px solid var(--line);gap:14px}
  .nav ul.offen{display:flex}
  .nav .btn.klein{display:none}
  table.vs{font-size:14px}
}