/* =========================================================================
   ITS.nrw — Design-System
   Dunkler Apple-Duktus: Tiefe durch Ebenen, nicht durch Leuchteffekte.
   Ein Akzentton, sparsam eingesetzt.
   ========================================================================= */

/* --- Fonts: self-hosted (DSGVO, LG München I 3 O 17493/20) --------------- */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/inter-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/inter-500.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/inter-600.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/inter-700.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/jetbrains-mono-400.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/jetbrains-mono-500.woff2') format('woff2')}

/* --- Tokens -------------------------------------------------------------- */
:root{
  --bg:#0A0A0C;
  --panel:#131316;
  --panel-hi:#1A1A1F;
  --line:rgba(255,255,255,.06);
  --line-strong:rgba(255,255,255,.12);
  --accent:#2E7DFF;
  --accent-dim:rgba(46,125,255,.12);
  --signal:#30D158;
  --warn:#FF9F0A;
  --text:#F5F5F7;
  --text-dim:#A1A1A6;
  --text-faint:#6E6E73;

  --rail-w:260px;
  --rail-w-mini:68px;
  --radius:14px;
  --radius-sm:9px;
  --ease:cubic-bezier(.4,0,.2,1);
  --t:160ms var(--ease);

  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --gap:clamp(1rem,2.5vw,1.75rem);
  --section-y:clamp(4.5rem,9vw,7.5rem);
}

/* --- Reset --------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:2rem}
body{
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.6;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
/* Basisgröße für alle Sprite-Icons. Niedrige Spezifität, damit jede
   spezifischere Regel (.btn svg, .rail-link svg …) sie überschreibt.
   Ohne diese Regel skalieren <use>-Icons auf die SVG-Standardgröße
   von 300×150 px — sichtbar als riesige Pfeile. */
svg{display:block;width:18px;height:18px;flex:none}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
::selection{background:var(--accent);color:#fff}

/* --- Typografie ---------------------------------------------------------- */
h1,h2,h3,h4{font-weight:600;line-height:1.1;letter-spacing:-.022em;text-wrap:balance}
h1{font-size:clamp(2.4rem,5.2vw,4rem);letter-spacing:-.032em;line-height:1.04}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem);letter-spacing:-.028em}
h3{font-size:clamp(1.1rem,1.8vw,1.3rem)}
h4{font-size:1rem}
p{text-wrap:pretty}

.lead{font-size:clamp(1.05rem,1.7vw,1.3rem);color:var(--text-dim);line-height:1.55;max-width:56ch}
.muted{color:var(--text-dim)}
.faint{color:var(--text-faint)}

/* Monospace ausschließlich für Maschinendaten */
.mono{font-family:var(--mono);font-variant-ligatures:none;letter-spacing:-.01em}

.eyebrow{
  font-family:var(--mono);font-size:.75rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.14em;color:var(--text-faint);
  display:block;margin-bottom:1rem;
}

/* --- Layout -------------------------------------------------------------- */
.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}
.section{padding-block:var(--section-y)}
.section + .section{border-top:1px solid var(--line)}

/* =========================================================================
   Sidebar-Rail
   ========================================================================= */
.rail{
  position:fixed;inset:0 auto 0 0;width:var(--rail-w);
  display:flex;flex-direction:column;
  background:#0C0C0F;
  border-right:1px solid var(--line);
  z-index:60;
  overflow-y:auto;overscroll-behavior:contain;
  scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;
}
.rail::-webkit-scrollbar{width:6px}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:3px}

.rail-head{padding:1.5rem 1.25rem 1.25rem;border-bottom:1px solid var(--line)}
.logo{display:inline-flex;align-items:baseline;font-size:1.3rem;font-weight:700;letter-spacing:-.03em}
.logo b{font-weight:700}
.logo span{color:var(--accent)}
.logo-sub{
  font-family:var(--mono);font-size:.68rem;color:var(--text-faint);
  letter-spacing:.1em;text-transform:uppercase;margin-top:.4rem;
}

.rail-nav{flex:1;padding:1rem .75rem}
.rail-group{margin-bottom:1.5rem}
.rail-group-label{
  font-family:var(--mono);font-size:.68rem;font-weight:500;text-transform:uppercase;
  letter-spacing:.12em;color:var(--text-faint);padding:0 .625rem;margin-bottom:.5rem;
}
.rail-link{
  display:flex;align-items:center;gap:.7rem;
  padding:.5rem .625rem;border-radius:var(--radius-sm);
  font-size:.9rem;color:var(--text-dim);
  transition:background var(--t),color var(--t);
  position:relative;
}
.rail-link svg{width:17px;height:17px;flex:none;opacity:.75;transition:opacity var(--t)}
.rail-link:hover{background:var(--panel-hi);color:var(--text)}
.rail-link:hover svg{opacity:1}
.rail-link[aria-current="page"]{background:var(--accent-dim);color:var(--text)}
.rail-link[aria-current="page"] svg{opacity:1;color:var(--accent)}
.rail-link[aria-current="page"]::before{
  content:'';position:absolute;left:-.75rem;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:0 3px 3px 0;background:var(--accent);
}

/* Statusfuß — zeigt nur echte Messwerte */
.rail-foot{padding:1rem 1.25rem;border-top:1px solid var(--line);margin-top:auto}
.status-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--signal);margin-right:.5rem;flex:none;
}
.status-line{display:flex;align-items:center;font-family:var(--mono);font-size:.72rem;color:var(--text-dim)}
.status-meta{font-family:var(--mono);font-size:.68rem;color:var(--text-faint);margin-top:.4rem;line-height:1.5}

/* --- Hauptbereich -------------------------------------------------------- */
.main{margin-left:var(--rail-w);min-height:100vh;display:flex;flex-direction:column}
.main > footer{margin-top:auto}

/* Breadcrumb-Leiste */
.crumbs{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  height:52px;padding-inline:clamp(1.25rem,4vw,2.5rem);
  background:rgba(10,10,12,.72);backdrop-filter:blur(20px) saturate(180%);
  border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:.76rem;color:var(--text-faint);
}
.crumbs nav{display:flex;align-items:center;gap:.45rem;min-width:0;overflow:hidden;white-space:nowrap}
.crumbs a{transition:color var(--t)}
.crumbs a:hover{color:var(--text)}
.crumbs .sep{opacity:.4}
.crumbs .here{color:var(--text-dim)}

.rail-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;margin-left:-.6rem;
  background:none;border:none;cursor:pointer;border-radius:var(--radius-sm);
}
.rail-toggle svg{width:20px;height:20px}

/* =========================================================================
   Komponenten
   ========================================================================= */

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.8rem 1.4rem;border-radius:var(--radius-sm);
  font-size:.95rem;font-weight:500;letter-spacing:-.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),border-color var(--t),transform var(--t);
  min-height:44px;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#1F6BEA}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:var(--panel-hi);border-color:rgba(255,255,255,.2)}
.btn:active{transform:scale(.985)}

/* Panel — die Grundeinheit */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(1.25rem,2.5vw,1.75rem);
}
a.panel{display:block;transition:background var(--t),border-color var(--t),transform var(--t)}
a.panel:hover{background:var(--panel-hi);border-color:var(--line-strong);transform:translateY(-2px)}

/* Leistungskarte */
.svc{display:flex;flex-direction:column;gap:.6rem;height:100%}
.svc-icon{
  width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--panel-hi);border:1px solid var(--line);
  color:var(--accent);margin-bottom:.4rem;
}
.svc-icon svg{width:19px;height:19px}
.svc h3{letter-spacing:-.02em}
.svc p{font-size:.92rem;color:var(--text-dim);line-height:1.55;flex:1}
.svc-more{
  font-family:var(--mono);font-size:.74rem;color:var(--text-faint);
  display:flex;align-items:center;gap:.35rem;margin-top:.3rem;transition:color var(--t);
}
.svc-more svg{width:13px;height:13px}
a.panel:hover .svc-more{color:var(--accent)}

/* Raster */
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(258px,1fr))}

/* Tags */
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.2rem}
.tag{
  font-family:var(--mono);font-size:.7rem;color:var(--text-faint);
  padding:.25rem .5rem;border:1px solid var(--line);border-radius:5px;
  background:rgba(255,255,255,.02);
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero{padding-block:clamp(3.5rem,8vw,6.5rem) var(--section-y);position:relative;overflow:hidden}
.hero-grid{display:grid;gap:clamp(2rem,5vw,3.5rem);align-items:center}
@media(min-width:1000px){.hero-grid{grid-template-columns:1.25fr .85fr}}
.hero h1{margin-bottom:1.5rem}
.hero .lead{margin-bottom:2.25rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}

/* Sehr zurückhaltender Verlauf — Tiefe, kein Leuchten */
.hero::before{
  content:'';position:absolute;inset:-40% 40% 40% -20%;
  background:radial-gradient(closest-side,rgba(46,125,255,.10),transparent 70%);
  pointer-events:none;z-index:-1;
}

/* Live-Statuspanel */
.statbox{padding:1.5rem;font-family:var(--mono)}
.statbox-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid var(--line);
  font-size:.74rem;color:var(--text-faint);
}
.statbox-live{display:flex;align-items:center;color:var(--signal)}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:.55rem 0;font-size:.8rem}
.stat-row + .stat-row{border-top:1px solid rgba(255,255,255,.035)}
.stat-key{color:var(--text-faint)}
.stat-val{color:var(--text);font-weight:500;text-align:right}
.stat-note{font-size:.68rem;color:var(--text-faint);margin-top:1rem;line-height:1.5}

/* =========================================================================
   Arbeitsweise
   ========================================================================= */
.steps{counter-reset:s;display:grid;gap:var(--gap)}
@media(min-width:800px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{position:relative;padding-top:2.75rem}
.step::before{
  counter-increment:s;content:counter(s,decimal-leading-zero);
  position:absolute;top:0;left:0;
  font-family:var(--mono);font-size:.8rem;color:var(--accent);
  padding-bottom:.75rem;
}
.step::after{content:'';position:absolute;top:2rem;left:0;right:1rem;height:1px;background:var(--line)}
.step h3{font-size:1.02rem;margin-bottom:.4rem}
.step p{font-size:.9rem;color:var(--text-dim);line-height:1.55}

/* =========================================================================
   FAQ
   ========================================================================= */
.faq{max-width:760px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.15rem 0;cursor:pointer;list-style:none;
  font-size:1.02rem;font-weight:500;letter-spacing:-.015em;
  transition:color var(--t);min-height:44px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--accent)}
.faq summary::after{
  content:'';flex:none;width:9px;height:9px;
  border-right:1.5px solid var(--text-faint);border-bottom:1.5px solid var(--text-faint);
  transform:rotate(45deg) translateY(-2px);transition:transform var(--t);
}
.faq details[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
.faq-body{padding-bottom:1.25rem;color:var(--text-dim);font-size:.96rem;line-height:1.65;max-width:64ch}

/* =========================================================================
   Formular
   ========================================================================= */
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.82rem;color:var(--text-dim);margin-bottom:.45rem;font-weight:500}
.field input,.field textarea,.field select{
  width:100%;padding:.75rem .9rem;min-height:46px;
  background:var(--bg);border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  transition:border-color var(--t),background var(--t);font-size:.95rem;
}
.field textarea{min-height:130px;resize:vertical;line-height:1.55}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--accent);background:#0D0D10;
}
.field-hint{font-size:.76rem;color:var(--text-faint);margin-top:.35rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.notice{padding:.9rem 1.1rem;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:1.5rem;border:1px solid}
.notice-ok{background:rgba(48,209,88,.08);border-color:rgba(48,209,88,.25);color:#8FE9A8}
.notice-err{background:rgba(255,69,58,.08);border-color:rgba(255,69,58,.25);color:#FF9A94}
.notice-warn{background:rgba(255,159,10,.08);border-color:rgba(255,159,10,.3);color:#FFD08A}

/* =========================================================================
   Fließtext (Impressum, Datenschutz, Leistungsseiten)
   ========================================================================= */
.prose{max-width:70ch}
.prose h2{font-size:clamp(1.35rem,2.4vw,1.75rem);margin:2.5rem 0 .9rem}
.prose h3{font-size:1.1rem;margin:1.75rem 0 .6rem}
.prose p{margin-bottom:1rem;color:var(--text-dim);line-height:1.7}
.prose ul,.prose ol{margin:0 0 1.25rem 1.15rem;color:var(--text-dim)}
.prose li{margin-bottom:.5rem;line-height:1.65;padding-left:.25rem}
.prose a{color:var(--accent)}
.prose a:hover{text-decoration:underline}
.prose strong{color:var(--text);font-weight:600}
.prose dl{margin-bottom:1.25rem}
.prose dt{font-family:var(--mono);font-size:.76rem;color:var(--text-faint);text-transform:uppercase;letter-spacing:.08em;margin-top:1rem}
.prose dd{color:var(--text-dim)}

/* =========================================================================
   Footer
   ========================================================================= */
.foot{border-top:1px solid var(--line);padding-block:3rem 2.5rem;font-size:.88rem}
.foot-grid{display:grid;gap:2rem;margin-bottom:2.5rem}
@media(min-width:700px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
.foot h4{
  font-family:var(--mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;
  color:var(--text-faint);margin-bottom:.9rem;font-weight:500;
}
.foot ul{list-style:none}
.foot li{margin-bottom:.5rem}
.foot a{color:var(--text-dim);transition:color var(--t)}
.foot a:hover{color:var(--text)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;
  padding-top:1.75rem;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:.72rem;color:var(--text-faint);
}

/* =========================================================================
   Cookie-Hinweis
   Erscheint unten, überdeckt keine Inhalte dauerhaft und blockiert die
   Bedienung nicht — es gibt hier nichts einzuwilligen, was das Weiterlesen
   verhindern dürfte.
   ========================================================================= */
.consent{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  padding:clamp(.75rem,2vw,1.25rem);
  display:flex;justify-content:center;
  animation:consent-in .32s var(--ease) both;
}
.consent[hidden]{display:none}
@keyframes consent-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.consent-box{
  width:100%;max-width:720px;
  background:rgba(19,19,22,.92);
  backdrop-filter:blur(24px) saturate(180%);
  border:1px solid var(--line-strong);
  border-radius:var(--radius);
  box-shadow:0 12px 48px rgba(0,0,0,.5);
  padding:clamp(1.1rem,2.5vw,1.5rem);
}
.consent-title{font-size:1rem;font-weight:600;margin-bottom:.5rem}
.consent-text{font-size:.86rem;line-height:1.6;color:var(--text-dim);margin-bottom:1rem}
.consent-text strong{color:var(--text);font-weight:500}

.consent-cats{display:grid;gap:.6rem;margin-bottom:1.1rem}
.consent-cat{
  display:flex;gap:.65rem;align-items:flex-start;
  font-size:.84rem;line-height:1.55;color:var(--text-dim);cursor:pointer;
}
.consent-cat input{margin-top:.25rem;accent-color:var(--accent);width:16px;height:16px;flex:none}
.consent-cat input:disabled{opacity:.5;cursor:not-allowed}
.consent-cat strong{color:var(--text);font-weight:500}

/* Gleichwertige Schaltflächen: Ablehnen darf nicht schwerer zu finden sein
   als Zustimmen — sonst ist die Einwilligung nicht freiwillig. */
.consent-actions{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:flex-end}
.consent-actions .btn{flex:1 1 auto;min-width:150px;padding-block:.7rem;font-size:.88rem}
@media(min-width:560px){.consent-actions .btn{flex:0 0 auto}}

@media(max-width:1023px){.consent{padding-bottom:max(.75rem,env(safe-area-inset-bottom))}}

/* =========================================================================
   Reveal — Progressive Enhancement.
   Ohne JS ist alles sichtbar. Die Klasse .js setzt ein Inline-Script im <head>.
   ========================================================================= */
html.js .reveal{opacity:0;transform:translateY(18px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .45s var(--ease),transform .45s var(--ease)}

/* =========================================================================
   Responsive
   ========================================================================= */
@media(max-width:1023px){
  .rail{
    transform:translateX(-100%);
    transition:transform .28s var(--ease);
    width:min(300px,84vw);box-shadow:0 0 60px rgba(0,0,0,.6);
  }
  body.rail-open .rail{transform:none}
  .main{margin-left:0}
  .rail-toggle{display:inline-flex}
  .rail-scrim{
    position:fixed;inset:0;background:rgba(0,0,0,.55);
    backdrop-filter:blur(2px);z-index:50;
    opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s;
  }
  body.rail-open .rail-scrim{opacity:1;visibility:visible}
  body.rail-open{overflow:hidden}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  html.js .reveal{opacity:1;transform:none}
}

@media print{
  .rail,.crumbs,.rail-scrim{display:none}
  .main{margin-left:0}
  body{background:#fff;color:#000}
}