/* BetriebsLotse — Stil für Platzhalter-/Pflichtseiten (Impressum, Datenschutz, 404).
   Bewusst schlank. Farben & Typografie an index.html angelehnt. */
:root{
  --bg:#F4F2EC; --bg-card:#FBFAF5;
  --ink:#1E1B16; --ink-2:#4A463E; --ink-3:#857F73;
  --line:rgba(30,27,22,.10); --line-2:rgba(30,27,22,.16);
  --teal:#2F6B4E; --teal-deep:#245A40; --teal-soft:rgba(47,107,78,.11);
  --maxw:820px; --r:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Geist','Helvetica Neue',Helvetica,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; line-height:1.6;
}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---- header ---- */
.site-head{border-bottom:1px solid var(--line);background:rgba(244,242,236,.9);
  backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);
  position:sticky;top:0;z-index:10}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-weight:600;font-size:20px;letter-spacing:-.02em;color:var(--ink)}
.logo:hover{text-decoration:none}
.logomark{width:23px;height:23px;border-radius:50%;
  background:conic-gradient(from -90deg,var(--teal) 0% 72%,rgba(11,13,17,.13) 72% 100%);
  box-shadow:inset 0 0 0 5px var(--bg);flex:0 0 auto}
.brandmark{height:38px;width:auto;display:block;flex:0 0 auto}
@media (max-width:520px){.site-head .wrap{height:60px}.logo{font-size:17px;gap:9px}.brandmark{height:32px}.back{font-size:14px}}
.back{font-size:15px;color:var(--ink-2)}

/* ---- content ---- */
main{padding:54px 0 80px}
h1{font-size:clamp(30px,4vw,42px);letter-spacing:-.03em;font-weight:600;margin:0 0 8px;line-height:1.1}
h2{font-size:21px;letter-spacing:-.01em;font-weight:600;margin:38px 0 10px}
p,li,dd,dt{font-size:16.5px;color:var(--ink-2)}
.lead{font-size:18px;color:var(--ink-2);margin:0 0 8px}
.muted{color:var(--ink-3)}
hr{border:none;border-top:1px solid var(--line);margin:34px 0}
dl{margin:6px 0 0}
dt{font-weight:600;color:var(--ink);margin-top:14px}
dd{margin:2px 0 0}

/* ---- placeholder helpers ---- */
.note{background:var(--teal-soft);border:1px solid rgba(47,107,78,.26);border-radius:var(--r);
  padding:18px 20px;margin:22px 0 8px;color:var(--ink-2);font-size:15.5px}
.note strong{color:var(--teal-deep)}
.ph{font-family:'Geist Mono',ui-monospace,monospace;font-size:14px;color:var(--teal-deep);
  background:rgba(47,107,78,.10);border:1px solid rgba(47,107,78,.22);border-radius:7px;padding:1px 7px}
.todo{color:var(--ink-3);font-size:14.5px;font-style:italic}

/* ---- footer ---- */
.site-foot{border-top:1px solid var(--line);padding:26px 0;color:var(--ink-3);font-size:14px}
.site-foot .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.site-foot a{color:var(--ink-3)}

/* ---- 404 ---- */
.center404{min-height:64vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px}
.code404{font-family:'Geist Mono',ui-monospace,monospace;color:var(--teal);font-size:15px;letter-spacing:.18em;text-transform:uppercase;margin:0}
.btn{display:inline-flex;align-items:center;gap:8px;margin-top:20px;background:var(--teal);color:#fff;
  border-radius:12px;padding:13px 22px;font-weight:500;font-size:16px;transition:.16s}
.btn:hover{background:var(--teal-deep);text-decoration:none;transform:translateY(-1px)}