/* Causidicus — marketing site. Hand-built, zero dependencies, fast. Palette = the app's. */
:root{
  --ink:#1B2430; --ink-soft:#3A4452; --paper:#FAF8F4; --paper2:#F3EFE8;
  --line:#E4DED4; --line-soft:#EDE8DF; --petrol:#15605E; --petrol-deep:#0E4A48;
  --petrol-soft:#E3EEED; --brass:#9A6B1F; --brass-bright:#C9A24B; --oxblood:#A23B3B;
  --muted:#7A8290; --muted-warm:#8B8678; --sidebar:#1A222E;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --wrap:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--petrol);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);color:var(--ink);line-height:1.18;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:.5em}
h3{font-size:1.18rem;margin-bottom:.35em}
p{margin-bottom:1rem}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--petrol);font-weight:600}
.lead{font-size:1.22rem;color:var(--ink-soft);line-height:1.55}
.muted{color:var(--muted)}

/* header */
header.top{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.9);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:22px;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:600;font-size:1.28rem;letter-spacing:.02em;color:var(--petrol)}
.brand svg{width:34px;height:34px;border-radius:8px}
.nav .links{display:flex;gap:20px;margin-left:auto;align-items:center}
.nav .links a{color:var(--ink-soft);font-size:.95rem}
.nav .links a:hover{color:var(--petrol);text-decoration:none}
.lang{font-family:var(--mono);font-size:.78rem;color:var(--muted);display:flex;gap:6px}
.lang a{padding:2px 6px;border-radius:5px}
.lang a.on{background:var(--petrol);color:#fff}
.btn{display:inline-block;background:var(--petrol);color:#fff;padding:11px 20px;border-radius:9px;font-weight:600;font-size:.95rem;border:1px solid var(--petrol-deep);transition:background .15s}
.btn:hover{background:var(--petrol-deep);text-decoration:none}
.btn.ghost{background:transparent;color:var(--petrol);border-color:var(--line)}
.btn.ghost:hover{background:var(--petrol-soft)}
.btn.lg{padding:14px 26px;font-size:1.05rem}

/* hero */
.hero{padding:74px 0 56px;background:linear-gradient(180deg,#fff, var(--paper))}
.hero .eyebrow{margin-bottom:16px}
.hero h1{max-width:16ch}
.hero .lead{max-width:56ch;margin:20px 0 28px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.cta-note{font-family:var(--mono);font-size:.78rem;color:var(--muted-warm)}

/* sections */
section{padding:56px 0}
section.alt{background:var(--paper2);border-block:1px solid var(--line)}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}
.card h3{color:var(--petrol)}
.card .ic{width:34px;height:34px;color:var(--petrol);margin-bottom:12px}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* comparison table */
.cmp{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cmp th,.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line-soft);font-size:.96rem}
.cmp thead th{background:var(--petrol);color:#fff;font-family:var(--sans);font-weight:600}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp .yes{color:var(--petrol);font-weight:700}
.cmp .no{color:var(--oxblood)}
.cmp td:first-child{font-weight:600;color:var(--ink)}
.cmp-scroll{overflow-x:auto}

/* pricing */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.tier{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;display:flex;flex-direction:column}
.tier.feat{border-color:var(--petrol);box-shadow:0 8px 30px rgba(21,96,94,.10)}
.tier .badge{align-self:flex-start;font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;background:var(--petrol-soft);color:var(--petrol-deep);padding:3px 9px;border-radius:20px;margin-bottom:12px}
.tier .price{font-family:var(--serif);font-size:2.4rem;color:var(--ink);font-weight:600}
.tier .price small{font-size:1rem;color:var(--muted);font-weight:400}
.tier ul{list-style:none;margin:16px 0 22px}
.tier li{padding:7px 0 7px 26px;position:relative;font-size:.95rem;border-top:1px solid var(--line-soft)}
.tier li:before{content:"✓";position:absolute;left:0;color:var(--petrol);font-weight:700}
.tier .btn{margin-top:auto}

/* trust strip */
.trust{display:flex;gap:28px;flex-wrap:wrap;justify-content:center;font-family:var(--mono);font-size:.8rem;color:var(--muted-warm)}
.trust b{color:var(--petrol)}

/* footer */
footer{background:var(--sidebar);color:#C7CDD6;padding:52px 0 30px;margin-top:20px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
footer h4{color:#fff;font-family:var(--sans);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
footer a{color:#9AA3B0;font-size:.92rem;display:block;padding:4px 0}
footer a:hover{color:#fff}
footer .fine{border-top:1px solid #313B4A;margin-top:34px;padding-top:20px;font-size:.82rem;color:#7A8290;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
footer .brand{color:#fff}

/* article */
.article{max-width:720px;margin:0 auto;padding:52px 24px}
.article .meta{font-family:var(--mono);font-size:.78rem;color:var(--muted);margin-bottom:18px}
.article h1{margin-bottom:.4em}
.article h2{margin-top:1.6em}
.article p,.article li{font-size:1.06rem;color:var(--ink-soft)}
.article ul,.article ol{margin:0 0 1rem 1.3rem}
.article .disclaim{background:var(--petrol-soft);border-left:3px solid var(--petrol);padding:14px 18px;border-radius:8px;font-size:.92rem;color:var(--petrol-deep);margin:22px 0}
.postlist{display:grid;gap:18px}
.post{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;display:block}
.post:hover{border-color:var(--petrol);text-decoration:none}
.post .k{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brass)}
.post h3{margin:6px 0 4px}
.post p{color:var(--ink-soft);font-size:.96rem;margin:0}

/* mobile nav toggle — pure CSS (checkbox hack), no JS, CSP-safe */
.navtoggle{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}
.hamburger{display:none;margin-left:auto;font-size:1.7rem;line-height:1;cursor:pointer;color:var(--ink);user-select:none;padding:2px 9px;border-radius:6px}
.hamburger:hover{background:#eef1f5}
.navtoggle:focus-visible + .hamburger{outline:2px solid var(--petrol);outline-offset:2px}
@media(max-width:820px){
  .g3,.g2,.tiers,footer .cols{grid-template-columns:1fr}
  .nav{position:relative;flex-wrap:wrap}
  .hamburger{display:block}
  .nav .links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:16px;margin:0;padding:18px 22px;box-shadow:0 10px 28px rgba(0,0,0,.10);border-top:1px solid #eceff3;z-index:50}
  .navtoggle:checked ~ .links{display:flex}
  .hero{padding:48px 0 40px}
}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.skip{position:absolute;left:8px;top:-40px;background:var(--petrol);color:#fff;padding:8px 14px;border-radius:6px;z-index:100;transition:top .15s}
.skip:focus{top:8px}

/* --- product screenshot --- */
.shotsec{padding:6px 0 44px}
.shot{margin:0;max-width:720px;margin-inline:auto}
.shot img{width:100%;height:auto;border:1px solid #e6e9ee;border-radius:14px;box-shadow:0 20px 55px rgba(20,30,45,.16)}
.shot figcaption{text-align:center;color:var(--muted);font-size:.9rem;margin-top:14px;max-width:52ch;margin-inline:auto}
/* --- Fristenrechner widget --- */
.frw{border:1px solid #e6e9ee;border-radius:14px;padding:22px;background:#fbfcfd;margin:10px 0 6px}
.frw-row{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:16px}
.frw-row label{display:flex;flex-direction:column;gap:6px;font-size:.82rem;color:var(--muted);font-weight:600}
.frw-row input,.frw-row select{font:inherit;padding:9px 11px;border:1px solid #cfd6de;border-radius:8px;background:#fff;color:var(--ink)}
.frw-out{margin-top:16px}
.frw-due{display:flex;align-items:baseline;gap:12px;padding:14px 16px;background:#eef6f5;border:1px solid #cfe3e0;border-radius:10px}
.frw-due span{color:var(--muted);font-size:.85rem}
.frw-due b{font-size:1.5rem;color:var(--petrol);font-family:var(--mono)}
/* --- a11y: visible focus + better footer contrast --- */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--petrol);outline-offset:2px;border-radius:3px}
footer a{color:#c3ccd8}
footer a:hover{color:#fff}

/* --- vendor / trust band --- */
.vendor{display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:center}
.vbul{list-style:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.vbul li{padding:9px 0 9px 26px;position:relative;font-size:.95rem;color:var(--ink-soft);border-top:1px solid var(--line-soft)}
.vbul li:first-child{border-top:none}
.vbul li:before{content:"✓";position:absolute;left:0;color:var(--petrol);font-weight:700}
@media(max-width:820px){.vendor{grid-template-columns:1fr}}

/* --- On-Device vs Cloud data-flow diagram (/sicherheit) --- */
.flow{margin:0 0 30px;border:1px solid var(--line);border-radius:14px;padding:20px 22px;background:#fff}
.flow-title{font-family:var(--serif);font-weight:600;font-size:1.1rem;color:var(--ink);margin-bottom:14px}
.flow-lane{border-left:4px solid var(--line);padding:12px 0 12px 16px;margin:12px 0}
.flow-lane.local{border-left-color:var(--petrol)}
.flow-lane.cloud{border-left-color:var(--brass-bright)}
.flow-lane.consent{border-left-color:var(--oxblood)}
.flow-tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.flow-steps{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.flow-src,.flow-proc{display:inline-block;padding:7px 12px;border-radius:8px;font-size:.9rem;line-height:1.35}
.flow-src{background:var(--paper2);border:1px solid var(--line);color:var(--ink-soft)}
.flow-proc{background:var(--petrol-soft);border:1px solid #cfe3e0;color:var(--petrol-deep);font-weight:600}
.flow-lane.cloud .flow-proc,.flow-lane.consent .flow-proc{background:#faf3e4;border-color:#e8d7ad;color:#7a5a1a}
.flow-arr{color:var(--muted);font-size:1.2rem}
.flow-note{margin-top:9px;font-size:.86rem;color:var(--muted-warm)}
.flow-lane.consent .flow-note{color:var(--oxblood)}