:root{
  --bg:#f5f4f1;--paper:#fff;--ink:#1f2328;--mute:#5f6670;--line:#e3e1dc;
  --accent:#2f5d50;--accent-ink:#fff;--soft:#e8efec;--max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-text-size-adjust:100%}
a{color:var(--accent)}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}

/* Kopf */
.top{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top .wrap{display:flex;align-items:center;gap:16px;min-height:62px}
.brand{font-weight:700;font-size:20px;letter-spacing:.06em;text-decoration:none;color:var(--ink)}
.brand span{color:var(--accent)}
.top nav{margin-left:auto;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.top nav a{text-decoration:none;color:var(--ink);font-size:15px}
.top nav a.btn{color:var(--accent-ink)}
@media (max-width:640px){.top nav a.hide-s{display:none}}

.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);text-decoration:none;
  padding:11px 18px;border-radius:10px;font-weight:600;border:1px solid var(--accent)}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.small{padding:7px 12px;font-size:14px}

/* Startseite */
.hero{padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
@media (max-width:820px){.hero{padding:44px 0 36px}.hero .wrap{grid-template-columns:1fr}}
.eyebrow{color:var(--accent);font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin:0 0 10px}
h1{font-size:clamp(32px,5vw,50px);line-height:1.1;margin:0 0 18px;letter-spacing:-.01em}
.lead{font-size:19px;color:var(--mute);margin:0 0 26px;max-width:36em}
.actions{display:flex;gap:12px;flex-wrap:wrap}

.call{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px;
  box-shadow:0 12px 30px rgba(31,35,40,.06);font-size:15px}
.call .head{display:flex;justify-content:space-between;color:var(--mute);font-size:13px;margin-bottom:12px}
.bubble{padding:10px 13px;border-radius:12px;margin:8px 0;max-width:88%}
.bubble.ai{background:var(--soft)}
.bubble.cu{background:#f1f0ec;margin-left:auto}
.call .done{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);color:var(--accent);font-weight:600;font-size:14px}

section{padding:56px 0}
section.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:clamp(24px,3.4vw,32px);margin:0 0 8px;line-height:1.2}
.sub{color:var(--mute);margin:0 0 30px;max-width:40em}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:820px){.grid{grid-template-columns:1fr}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px}
section.alt .card{background:var(--bg)}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--mute);font-size:16px}
.num{display:inline-flex;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;
  align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-bottom:10px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
@media (max-width:820px){.split{grid-template-columns:1fr}}
ul.check{list-style:none;padding:0;margin:0}
ul.check li{padding:8px 0 8px 30px;position:relative;border-bottom:1px solid var(--line)}
ul.check li:last-child{border-bottom:0}
ul.check li::before{content:"";position:absolute;left:4px;top:15px;width:12px;height:7px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}

.cta{text-align:center}
.cta .sub{margin-left:auto;margin-right:auto}

/* Rechtstexte */
.legal{padding:44px 0 64px}
.legal .wrap{max-width:780px}
.legal h1{font-size:clamp(28px,4vw,38px)}
.legal h2{font-size:22px;margin:34px 0 8px}
.legal h3{font-size:18px;margin:22px 0 6px}
.legal p,.legal li{color:#2b3036}
.legal .stand{color:var(--mute);font-size:15px}
.ph{background:#fff4d6;border:1px dashed #d9b85c;padding:0 4px;border-radius:4px}

/* Fuss */
footer{border-top:1px solid var(--line);background:var(--paper);padding:26px 0;font-size:15px;color:var(--mute)}
footer .wrap{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
footer nav{margin-left:auto;display:flex;gap:18px;flex-wrap:wrap}
footer a{color:var(--mute)}