/* ==========================================================================
   LiquidityLens — shared design system
   Tokens, reset, buttons, nav, footer. Page-specific styles live in the
   <style> block of each page's HTML entry (index / kontakt / impressum /
   datenschutz), loaded after this file.
   ========================================================================== */

:root{
  --blue:#378ADD;
  --deep:#185FA5;
  --navy:#042C53;
  --light:#85B7EB;
  --ink:#1A1A18;
  --bg:#FFFFFF;
  --muted:#5B6B7B;
  --line:#E5E9EF;
  --tint:#F4F8FD;
  --err:#D8453C;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{scroll-margin-top:80px}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.12;letter-spacing:-0.02em;color:var(--navy);font-weight:700}
p{text-wrap:pretty}
.kicker{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:16px;font-weight:600;
  padding:14px 26px;border-radius:10px;cursor:pointer;
  border:1.5px solid transparent;transition:transform .15s ease,background .15s ease,box-shadow .15s ease,border-color .15s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 1px 2px rgba(4,44,83,.12)}
.btn-primary:hover{background:var(--deep);transform:translateY(-1px);box-shadow:0 8px 20px rgba(24,95,165,.22)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}
.btn-outline{background:transparent;color:var(--deep);border-color:var(--line)}
.btn-outline:hover{border-color:var(--blue);background:var(--tint)}
.btn-ghostlight{background:#fff;color:var(--navy)}
.btn-ghostlight:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(0,0,0,.18)}
.btn-sm{padding:11px 20px;font-size:15px}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:0 1px 12px rgba(4,44,83,.04)}
/* Sub-pages keep the divider visible at all times. */
.nav--sub{background:rgba(255,255,255,.85);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:11px}
.logo svg{display:block;flex:none}
.logo .word{font-size:22px;font-weight:500;letter-spacing:-0.01em}
.logo .word .lq{color:var(--ink)}
.logo .word .ln{color:var(--deep)}
.back{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--deep)}
.back:hover{color:var(--blue)}
.back svg{transition:transform .15s ease}
.back:hover svg{transform:translateX(-3px)}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);padding:34px 0}
.footer .f-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer .f-logo{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:500;color:var(--navy)}
.footer .copy{font-size:13px;color:var(--muted);text-align:center;flex:1;min-width:200px}
.footer .f-links{display:flex;gap:22px}
.footer .f-links a{font-size:14px;font-weight:500;color:var(--deep)}
.footer .f-links a:hover{color:var(--blue)}
@media(max-width:860px){
  .footer .f-inner{flex-direction:column}
  .footer .copy{order:3}
}