/* ---------- Self-hosted fonts (no external connection to Google) ---------- */
@font-face{
  font-family:'Space Grotesk'; font-style:normal; font-weight:500; font-display:swap;
  src:url(./fonts/space-grotesk-latin-500-normal.woff2) format('woff2');
}
@font-face{
  font-family:'Space Grotesk'; font-style:normal; font-weight:600; font-display:swap;
  src:url(./fonts/space-grotesk-latin-600-normal.woff2) format('woff2');
}
@font-face{
  font-family:'Space Grotesk'; font-style:normal; font-weight:700; font-display:swap;
  src:url(./fonts/space-grotesk-latin-700-normal.woff2) format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans'; font-style:normal; font-weight:400; font-display:swap;
  src:url(./fonts/ibm-plex-sans-latin-400-normal.woff2) format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans'; font-style:normal; font-weight:500; font-display:swap;
  src:url(./fonts/ibm-plex-sans-latin-500-normal.woff2) format('woff2');
}
@font-face{
  font-family:'IBM Plex Sans'; font-style:normal; font-weight:600; font-display:swap;
  src:url(./fonts/ibm-plex-sans-latin-600-normal.woff2) format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono'; font-style:normal; font-weight:400; font-display:swap;
  src:url(./fonts/ibm-plex-mono-latin-400-normal.woff2) format('woff2');
}
@font-face{
  font-family:'IBM Plex Mono'; font-style:normal; font-weight:500; font-display:swap;
  src:url(./fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2');
}

:root{
  --ink:#2E2621;
  --panel-dark:#4A3B2F;
  --panel-dark-2:#56442F;
  --paper:#EFEDE8;
  --paper-2:#E6E2DB;
  --amber:#FCAF17;
  --amber-dim:#D6910A;
  --amber-text:#8D5E02;
  --green:#3FA66B;
  --green-text:#2A6F47;
  --bronze:#8C7A6C;
  --bronze-text:#736459;
  --text-primary:#2E2621;
  --text-secondary:#6B5D55;
  --text-on-dark:#F3EFEA;
  --text-on-dark-muted:#B8AA9E;
  --line-light: rgba(46,38,33,0.13);
  --line-dark: rgba(243,239,234,0.14);
  --radius:10px;
  --maxw:1180px;
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'IBM Plex Sans', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text-primary);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img,svg{display:block; max-width:100%;}
a{color:inherit;}
ul{list-style:none; margin:0; padding:0;}
h1,h2,h3,h4{font-family:var(--font-display); margin:0; letter-spacing:-0.01em; color:inherit;}
p{margin:0;}
button{font-family:inherit;}

:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
  border-radius:4px;
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

/* ---------- Scroll progress ---------- */
#scrollProgress{
  position:fixed; top:0; left:0; height:3px; width:0%;
  background:var(--amber);
  z-index:1000;
  transition:width 0.1s linear;
}

/* ---------- Eyebrow / channel labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:0.78rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--amber-text);
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--amber);
  display:inline-block;
}
.section--dark .eyebrow{color:var(--amber);}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:900;
  background:var(--paper);
  border-bottom:1px solid var(--line-light);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px;
}
.brand{
  display:flex; flex-direction:column; align-items:flex-start; gap:3px;
  text-decoration:none; color:var(--ink);
}
.brand img{height:34px; width:auto; display:block;}
.brand-tagline{
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.01em;
  color:var(--text-secondary); white-space:nowrap;
}
@media (max-width:480px){ .brand-tagline{display:none;} }

/* ---------- Trust strip ---------- */
.trust-strip{
  background:var(--paper-2); border-bottom:1px solid var(--line-light);
}
.trust-strip-inner{
  display:flex; align-items:center; justify-content:center; flex-wrap:wrap;
  gap:26px; padding:16px 0;
}
.trust-divider{width:1px; height:18px; background:var(--line-light); display:inline-block;}
.trust-item{
  font-family:var(--font-mono); font-size:0.8rem; letter-spacing:0.01em;
  color:var(--text-secondary); text-align:center;
}
@media (max-width:640px){
  .trust-divider{display:none;}
  .trust-strip-inner{gap:14px;}
}
.main-nav{display:flex; align-items:center; gap:34px;}
.main-nav ul{display:flex; gap:26px;}
.main-nav a{
  font-size:0.92rem; text-decoration:none; color:var(--text-secondary);
  position:relative; padding:4px 0;
}
.main-nav a:hover{color:var(--ink);}
.nav-cta{
  display:inline-flex; align-items:center; line-height:1;
  font-family:var(--font-mono); font-size:0.82rem; letter-spacing:0.03em;
  background:var(--amber); color:var(--ink); padding:13px 20px;
  border-radius:6px; text-decoration:none; font-weight:500;
  transition:transform 0.15s ease, background 0.15s ease;
  white-space:nowrap;
}
.nav-cta-ghost{
  display:inline-flex; align-items:center; line-height:1;
  font-family:var(--font-mono); font-size:0.82rem; letter-spacing:0.03em;
  color:var(--text-primary); background:transparent; border:1px solid var(--line-light);
  padding:12px 19px; border-radius:6px; text-decoration:none; font-weight:500;
  white-space:nowrap; transition:border-color 0.15s ease, color 0.15s ease;
}
.nav-cta-ghost:hover{border-color:var(--ink); color:var(--ink);}
.nav-actions{display:flex; align-items:center; gap:10px;}
.nav-cta:hover{background:var(--amber-dim); transform:translateY(-1px);}
.nav-toggle{
  display:none; background:none; border:1px solid var(--line-light);
  border-radius:6px; width:40px; height:40px; cursor:pointer;
  align-items:center; justify-content:center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:18px; height:2px; background:var(--ink);
  position:relative; transition:transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span::before{position:absolute; top:-6px;}
.nav-toggle span::after{position:absolute; top:6px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px; line-height:1;
  font-family:var(--font-mono); font-size:0.88rem; font-weight:500;
  letter-spacing:0.02em; text-decoration:none; cursor:pointer;
  padding:14px 24px; border-radius:6px; border:1px solid transparent;
  transition:transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary{background:var(--amber); color:var(--ink);}
.btn-primary:hover{background:var(--amber-dim); transform:translateY(-1px);}
.btn-ghost-dark{border-color:var(--line-dark); color:var(--text-on-dark); background:transparent;}
.btn-ghost-dark:hover{border-color:var(--amber); color:var(--amber);}
.btn-ghost-light{border-color:var(--line-light); color:var(--ink); background:transparent;}
.btn-ghost-light:hover{border-color:var(--ink);}

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  padding:96px 0 84px;
  background:
    radial-gradient(circle at 1px 1px, rgba(46,38,33,0.07) 1px, transparent 1px) 0 0/26px 26px,
    var(--paper);
}
.hero .wrap{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;
}
.hero h1{
  font-size:clamp(2.3rem, 4vw + 1rem, 3.6rem);
  font-weight:600; line-height:1.06; margin-bottom:22px;
}
.hero-sub{
  font-size:1.08rem; color:var(--text-secondary); max-width:52ch;
  margin-bottom:32px;
}
.hero-ctas{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px;}
.status-line{
  display:flex; gap:22px; flex-wrap:wrap;
  font-family:var(--font-mono); font-size:0.82rem; color:var(--text-secondary);
}
.status-line li{display:flex; align-items:center; gap:8px;}
.dot{width:8px; height:8px; border-radius:50%; background:var(--green); display:inline-block;}
.dot.dot-amber{background:var(--amber);}
@keyframes pulseDot{
  0%,100%{box-shadow:0 0 0 0 rgba(63,166,107,0.5);}
  50%{box-shadow:0 0 0 5px rgba(63,166,107,0);}
}
.dot-live{animation:pulseDot 2.2s ease-in-out infinite;}

/* ---------- Hero status card ---------- */
.status-card{
  background:var(--panel-dark); color:var(--text-on-dark);
  border-radius:14px; padding:26px 26px 22px;
  border:1px solid var(--line-dark);
  box-shadow:0 24px 50px -20px rgba(46,38,33,0.35);
}
.status-card-head{
  display:flex; justify-content:space-between; align-items:center;
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.12em;
  color:var(--text-on-dark-muted); text-transform:uppercase;
  border-bottom:1px solid var(--line-dark); padding-bottom:14px; margin-bottom:16px;
}
.status-card-head .dot{margin-right:6px;}
.status-row{
  display:flex; justify-content:space-between; align-items:center;
  padding:12px 0; border-bottom:1px solid var(--line-dark);
  font-size:0.92rem;
}
.status-row:last-child{border-bottom:none;}
.status-row .label{color:var(--text-on-dark-muted); font-size:0.82rem;}
.status-row .value{font-family:var(--font-mono); display:flex; align-items:center; gap:8px;}

/* ---------- Generic section ---------- */
.section{padding:88px 0;}
.section--dark{background:var(--panel-dark); color:var(--text-on-dark);}
.section--dark .section-title{color:var(--text-on-dark);}
.section--dark p{color:var(--text-on-dark-muted);}
.section-title{
  font-size:clamp(1.7rem, 2.2vw + 1rem, 2.4rem);
  font-weight:600; line-height:1.15; margin-bottom:20px; max-width:22ch;
}
.section-intro{max-width:62ch; color:var(--text-secondary); font-size:1.02rem; margin-bottom:44px;}
.section-head{max-width:760px;}

/* ---------- Warum wir: comparison ---------- */
.compare-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:14px;
  border:1px solid var(--line-dark); border-radius:12px; overflow:hidden;
}
.compare-row{display:contents;}
.compare-cell{
  padding:20px 22px; font-size:0.96rem; display:flex; gap:12px; align-items:flex-start;
  border-bottom:1px solid var(--line-dark);
}
.compare-row:last-child .compare-cell{border-bottom:none;}
.compare-cell.bad{background:rgba(243,239,234,0.03); color:var(--text-on-dark-muted);}
.compare-cell.good{background:rgba(63,166,107,0.08); color:var(--text-on-dark);}
.compare-mark{font-family:var(--font-mono); flex:none; margin-top:1px;}
.compare-mark.bad{color:#CD7F81;}
.compare-mark.good{color:var(--green);}
.compare-heads{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:14px;}
.compare-heads span{
  font-family:var(--font-mono); font-size:0.75rem; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--text-on-dark-muted); padding:0 22px;
}

/* ---------- Leistungen cards ---------- */
.services-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.service-card{
  background:#fff; border:1px solid var(--line-light); border-radius:12px;
  padding:30px 26px; position:relative; overflow:hidden;
}
.service-card::before{
  content:""; position:absolute; top:0; left:0; right:0; height:4px;
  background:var(--accent, var(--amber));
}
.service-card.c-green{--accent:var(--green); --accent-text:var(--green-text);}
.service-card.c-bronze{--accent:var(--bronze); --accent-text:var(--bronze-text);}
.service-card.c-amber{--accent:var(--amber); --accent-text:var(--amber-text);}
.service-index{
  font-family:var(--font-mono); font-size:0.85rem; color:var(--accent-text, var(--amber-text));
  margin-bottom:14px; display:block;
}
.service-card h3{font-size:1.22rem; font-weight:600; margin-bottom:12px;}
.service-card p{color:var(--text-secondary); font-size:0.94rem; margin-bottom:18px;}
.service-card ul{display:flex; flex-direction:column; gap:9px;}
.service-card li{
  font-size:0.9rem; color:var(--text-primary); display:flex; gap:9px; align-items:flex-start;
}
.service-card li::before{
  content:"→"; color:var(--accent-text, var(--amber-text)); flex:none; font-family:var(--font-mono);
}
.card-link{
  display:inline-flex; align-items:center; gap:6px; margin-top:16px;
  font-family:var(--font-mono); font-size:0.85rem; color:var(--accent-text, var(--amber-text));
  text-decoration:none; border-bottom:1px solid transparent;
}
.card-link:hover{border-color:var(--accent, var(--amber));}

/* ---------- Duo signature diagram ---------- */
.duo-copy{max-width:70ch; margin-bottom:56px;}
.duo-copy p{margin-bottom:16px;}
.duo-copy p:last-child{margin-bottom:0;}
.line-diagram{
  position:relative;
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  margin-bottom:48px;
}
.line-node{
  position:relative; text-align:center; padding-top:34px;
}
.line-node .node-dot{
  width:14px; height:14px; border-radius:50%; background:var(--green);
  margin:0 auto 14px; position:relative; z-index:2;
  box-shadow:0 0 0 5px rgba(63,166,107,0.16);
}
.line-node .node-label{
  font-family:var(--font-mono); font-size:0.76rem; letter-spacing:0.06em;
  text-transform:uppercase; color:var(--text-on-dark-muted); margin-bottom:6px;
}
.line-node .node-title{font-size:0.98rem; font-weight:500; color:var(--text-on-dark);}
.line-track{
  position:absolute; top:40px; left:0; right:0; height:2px;
  background:var(--line-dark); z-index:1;
}
.line-node:first-child .line-track{left:50%;}
.line-node:last-child .line-track{right:50%;}
.line-pulse{
  position:absolute; top:-3px; left:0; width:8px; height:8px; border-radius:50%;
  background:var(--amber); box-shadow:0 0 10px 2px rgba(252,175,23,0.7);
  animation:travel 5s linear infinite;
}
@keyframes travel{
  0%{left:0%;}
  100%{left:100%;}
}
@media (prefers-reduced-motion: reduce){ .line-pulse{display:none;} }
.duo-advantages{
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
}
.duo-advantages li{
  font-size:0.9rem; color:var(--text-on-dark-muted); padding-top:14px;
  border-top:1px solid var(--line-dark);
}
.duo-advantages strong{display:block; color:var(--text-on-dark); font-weight:500; margin-bottom:4px; font-size:0.94rem;}

/* ---------- Über uns ---------- */
.about-layout{display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:start;}
.about-list{display:flex; flex-direction:column; gap:16px; margin-top:26px;}
.about-list li{display:flex; gap:12px; font-size:0.96rem;}
.about-list .check{
  flex:none; width:20px; height:20px; border-radius:50%; background:rgba(63,166,107,0.15);
  color:var(--green); display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:0.72rem;
}
.stats-grid{display:flex; flex-direction:column; gap:14px;}
.stat-card{
  display:flex; align-items:center; gap:18px;
  border:1px solid var(--line-light); border-radius:12px; padding:20px 22px;
  background:#fff;
}
.stat-number{
  font-family:var(--font-display); font-weight:700; font-size:1.5rem;
  color:var(--amber-text); flex:none; min-width:96px;
}
.stat-label{font-size:0.92rem; color:var(--text-secondary);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line-dark);}
.faq-item{border-bottom:1px solid var(--line-dark);}
.faq-q{
  width:100%; text-align:left; background:none; border:none; color:var(--text-on-dark);
  padding:22px 0; display:flex; justify-content:space-between; align-items:center;
  cursor:pointer; font-size:1.02rem; font-weight:500; gap:20px;
}
.faq-q .chev{
  flex:none; width:22px; height:22px; position:relative; transition:transform 0.25s ease;
}
.faq-q .chev::before, .faq-q .chev::after{
  content:""; position:absolute; top:50%; left:50%; width:11px; height:2px; background:var(--amber);
}
.faq-q .chev::before{transform:translate(-50%,-50%) rotate(90deg); transition:opacity 0.2s ease;}
.faq-q .chev::after{transform:translate(-50%,-50%);}
.faq-item[data-open="true"] .faq-q .chev::before{opacity:0;}
.faq-a-wrap{
  display:grid; grid-template-rows:0fr; transition:grid-template-rows 0.28s ease;
}
.faq-item[data-open="true"] .faq-a-wrap{grid-template-rows:1fr;}
.faq-a{overflow:hidden;}
.faq-a p{padding-bottom:22px; color:var(--text-on-dark-muted); max-width:70ch; font-size:0.96rem;}

/* ---------- Kontakt ---------- */
.contact-layout{display:grid; grid-template-columns:1.3fr 1fr; gap:44px; align-items:start;}
.contact-form{
  background:#fff; border:1px solid var(--line-light); border-radius:14px; padding:34px;
  display:grid; grid-template-columns:1fr 1fr; gap:18px;
}
.field{display:flex; flex-direction:column; gap:6px;}
.field.full{grid-column:1 / -1;}
.field label{font-family:var(--font-mono); font-size:0.75rem; letter-spacing:0.05em; text-transform:uppercase; color:var(--text-secondary);}
.field input, .field select, .field textarea{
  font-family:var(--font-body); font-size:0.95rem; padding:12px 14px;
  border:1px solid var(--line-light); border-radius:7px; background:var(--paper);
  color:var(--text-primary);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--amber); outline-offset:1px; border-color:transparent;
}
.field textarea{resize:vertical; min-height:110px;}
.consent{display:flex; align-items:flex-start; gap:10px; font-size:0.85rem; color:var(--text-secondary);}
.consent input{margin-top:3px;}
.form-note{font-size:0.8rem; color:var(--text-secondary); margin-top:4px;}
.form-success{
  display:none; background:rgba(63,166,107,0.1); border:1px solid rgba(63,166,107,0.3);
  border-radius:10px; padding:20px; font-size:0.95rem; grid-column:1/-1;
}
.form-success strong{display:block; margin-bottom:4px;}

.contact-side{display:flex; flex-direction:column; gap:22px;}
.contact-card{
  border:1px solid var(--line-light); border-radius:12px; padding:24px; background:#fff;
}
.contact-card h4{font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--text-secondary); margin-bottom:14px;}
.contact-card .row{display:flex; flex-wrap:wrap; align-items:flex-start; row-gap:4px; column-gap:16px; justify-content:space-between; padding:9px 0; border-top:1px solid var(--line-light); font-size:0.92rem;}
.contact-card .row-value-break{text-align:right; line-height:1.4;}
.contact-card .row:first-of-type{border-top:none;}
.contact-card .row span:first-child{color:var(--text-secondary);}
.contact-card .row a{color:var(--text-primary); text-decoration:none; border-bottom:1px solid var(--line-light);}
.contact-card .row a:hover{border-color:var(--amber); color:var(--amber-text);}

.map-card{
  border:1px solid var(--line-light); border-radius:12px; padding:16px; background:#fff;
}
.map-card img{border-radius:8px; width:100%; height:auto; display:block; margin-bottom:12px;}
.map-caption{font-weight:600; font-size:0.92rem; margin-bottom:4px; color:var(--text-primary);}
.map-credit{font-family:var(--font-mono); font-size:0.72rem; color:var(--text-secondary);}
.map-credit a{color:var(--amber-text); text-decoration:underline; text-decoration-color:var(--line-light);}
.map-credit a:hover{color:var(--ink);}

/* ---------- Footer ---------- */
.site-footer{background:var(--panel-dark); color:var(--text-on-dark-muted); padding:40px 0 30px;}
.footer-brand-row{margin-bottom:26px;}
.footer-logo-chip{
  display:inline-flex; align-items:center; background:#fff;
  border-radius:8px; padding:9px 14px;
}
.footer-logo-chip img{height:26px; width:auto; display:block;}
.footer-top{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px;
  padding-bottom:26px; border-bottom:1px solid var(--line-dark); margin-bottom:22px;
}
.footer-trust{font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.04em;}
.footer-links{display:flex; gap:20px; flex-wrap:wrap;}
.footer-links a{font-size:0.85rem; text-decoration:none; color:var(--text-on-dark-muted);}
.footer-links a:hover{color:var(--text-on-dark);}
.footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:0.8rem;}

/* ---------- Article page (e.g. Firmware-Upgrade) ---------- */
.article-hero{padding:64px 0 56px; background:var(--paper);}
.back-link{
  display:inline-flex; align-items:center; gap:8px; margin-bottom:26px;
  font-family:var(--font-mono); font-size:0.82rem; color:var(--text-secondary);
  text-decoration:none;
}
.back-link:hover{color:var(--ink);}

/* ---------- Skip link (Barrierefreiheit) ---------- */
.skip-link{
  position:absolute; top:-100px; left:12px; z-index:2000;
  background:var(--amber); color:var(--ink); padding:12px 20px;
  border-radius:6px; text-decoration:none; font-family:var(--font-mono); font-size:0.85rem;
  transition:top 0.15s ease;
}
.skip-link:focus{top:12px;}
.article-hero h1{
  font-size:clamp(2rem, 3vw + 1rem, 2.9rem); font-weight:600; line-height:1.1;
  max-width:20ch; margin-bottom:16px;
}
.article-kicker{
  font-family:var(--font-display); font-size:1.1rem; font-weight:500;
  color:var(--amber-text); margin-bottom:18px;
}
.article-intro{font-size:1.05rem; color:var(--text-secondary); max-width:68ch;}

.article-body{max-width:74ch;}
.article-body h2{
  font-size:clamp(1.4rem, 1.6vw + 1rem, 1.8rem); font-weight:600; margin:0 0 18px;
}
.article-body p{color:var(--text-secondary); font-size:1rem; margin-bottom:18px;}
.article-body p:last-child{margin-bottom:0;}
.article-body a{color:var(--amber-text); text-decoration:underline; text-decoration-color:var(--line-light);}
.article-body a:hover{color:var(--ink);}
.article-section + .article-section{margin-top:56px;}

.callout{
  border-left:3px solid var(--amber); background:var(--paper-2);
  border-radius:0 10px 10px 0; padding:22px 26px; margin:28px 0;
}
.callout p{
  font-family:var(--font-display); font-size:1.15rem; font-weight:500;
  color:var(--text-primary); margin-bottom:8px;
}
.callout p:last-child{margin-bottom:0;}

.sources-list{display:flex; flex-direction:column; gap:2px; margin-top:8px;}
.source-item{
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding:16px 0; border-top:1px solid var(--line-light); text-decoration:none;
  color:inherit;
}
.source-item:first-child{border-top:none;}
.source-title{font-size:0.96rem; color:var(--text-primary);}
.source-host{
  font-family:var(--font-mono); font-size:0.76rem; color:var(--text-secondary);
  flex:none; white-space:nowrap;
}
.source-item:hover .source-title{color:var(--amber-text);}

.article-cta{padding:64px 0; background:var(--panel-dark); color:var(--text-on-dark); text-align:center;}
.article-cta h2{font-size:clamp(1.5rem, 2vw + 1rem, 2.1rem); font-weight:600; margin-bottom:14px;}
.article-cta p{color:var(--text-on-dark-muted); max-width:52ch; margin:0 auto 28px;}

/* ---------- Legal pages (Impressum / Datenschutz) ---------- */
.article-body h3{font-size:1.08rem; font-weight:600; margin:0 0 10px;}
.article-body ul.legal-list{list-style:disc; padding-left:1.2em; margin-bottom:18px;}
.article-body ul.legal-list li{margin-bottom:8px; color:var(--text-secondary);}
.legal-meta{
  font-family:var(--font-mono); font-size:0.78rem; color:var(--text-secondary);
  margin-bottom:36px;
}
.legal-toc{
  border:1px solid var(--line-light); border-radius:12px; padding:22px 26px;
  margin-bottom:48px; background:#fff;
}
.legal-toc p{font-family:var(--font-mono); font-size:0.75rem; letter-spacing:0.08em; text-transform:uppercase; color:var(--text-secondary); margin-bottom:12px;}
.legal-toc ol{list-style:decimal; padding-left:1.2em; display:flex; flex-direction:column; gap:6px;}
.legal-toc a{font-size:0.92rem; text-decoration:none; color:var(--text-primary);}
.legal-toc a:hover{color:var(--amber-text);}
.legal-box{
  border:1px solid var(--line-light); border-radius:10px; padding:20px 24px; margin:20px 0;
  background:var(--paper-2); font-size:0.95rem;
}
.legal-box p{margin-bottom:4px;}
.legal-note{
  border-left:3px solid var(--green); background:rgba(63,166,107,0.06);
  border-radius:0 10px 10px 0; padding:16px 22px; margin:20px 0; font-size:0.92rem;
  color:var(--text-secondary);
}

/* ---------- Referenzen ---------- */
.ref-category{margin-bottom:52px;}
.ref-category:last-child{margin-bottom:0;}
.ref-category-title{
  font-family:var(--font-display); font-size:1.25rem; font-weight:600;
  margin-bottom:18px; padding-bottom:12px; border-bottom:1px solid var(--line-light);
}
.ref-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px;}
.ref-card{
  border:1px solid var(--line-light); border-radius:10px; padding:18px 20px;
  background:#fff; display:flex; flex-direction:column; gap:6px;
}
.ref-name{
  font-weight:600; font-size:0.96rem; text-decoration:none; color:var(--text-primary);
  display:inline-flex; align-items:center; gap:6px;
}
a.ref-name:hover{color:var(--amber-text);}
.ref-name .ext{font-size:0.7rem; color:var(--text-secondary); font-weight:400;}
.ref-system{font-family:var(--font-mono); font-size:0.76rem; color:var(--text-secondary);}
@media (max-width:960px){ .ref-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:600px){ .ref-grid{grid-template-columns:1fr;} }

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr; gap:44px;}
  .about-layout{grid-template-columns:1fr;}
  .contact-layout{grid-template-columns:1fr;}
  .services-grid{grid-template-columns:1fr 1fr;}
  .duo-advantages{grid-template-columns:1fr 1fr;}
  .compare-heads{display:flex; grid-template-columns:none; gap:10px 20px; flex-wrap:wrap; margin-bottom:16px;}
  .compare-heads span{padding:0; display:flex; align-items:center; gap:6px;}
  .compare-heads span:first-child::before{content:"✕"; color:#CD7F81; font-family:var(--font-mono);}
  .compare-heads span:last-child::before{content:"✓"; color:var(--green); font-family:var(--font-mono);}
  .compare-grid{display:flex; flex-direction:column; gap:12px; border:none; border-radius:0; overflow:visible;}
  .compare-row{display:flex; flex-direction:column; border:1px solid var(--line-dark); border-radius:10px; overflow:hidden;}
  .compare-cell{border-bottom:none;}
  .compare-cell.good{border-left:3px solid var(--green);}
  .compare-cell.bad{border-left:3px solid #CD7F81; border-bottom:1px solid var(--line-dark);}
}
@media (max-width:720px){
  .main-nav{position:fixed; inset:0; background:var(--paper); flex-direction:column;
    align-items:flex-start; padding:110px 28px 26px; gap:26px; border-top:1px solid var(--line-light);
    transform:translateY(-8px); opacity:0; pointer-events:none; transition:opacity 0.2s ease, transform 0.2s ease;
    z-index:950; overflow-y:auto;}
  .main-nav.open{opacity:1; pointer-events:auto; transform:translateY(0);}
  .main-nav ul{flex-direction:column; gap:18px; width:100%;}
  .nav-actions{flex-direction:column; align-items:stretch; width:100%; gap:12px;}
  .nav-actions a{justify-content:center;}
  .main-nav a{font-size:1.05rem;}
  .nav-toggle{display:flex; position:relative; z-index:960;}
  .services-grid{grid-template-columns:1fr;}
  .duo-advantages{grid-template-columns:1fr 1fr;}
  .line-diagram{grid-template-columns:1fr 1fr; row-gap:36px;}
  .line-track{display:none;}
  .contact-form{grid-template-columns:1fr;}
  .hero{padding:70px 0 60px;}
  .section{padding:64px 0;}
  .source-item{flex-direction:column; align-items:flex-start; gap:4px;}
}