/* erpsoftware.de — gemeinsames Stylesheet | grünes Branding */
:root{
  --c-primary:#1f8a4c;        /* Hauptgrün (aus Logo) */
  --c-primary-dark:#14633a;
  --c-primary-darker:#0f4a2c;
  --c-accent:#5bbf7b;
  --c-accent-soft:#e7f6ec;
  --c-text:#13211a;
  --c-text-body:#28332d;
  --c-text-muted:#5b6b62;
  --c-border:#dfe7e2;
  --c-bg:#ffffff;
  --c-bg-soft:#f4f8f6;
  --c-bg-dark:#0f4a2c;
  --maxw:1080px;
  --maxw-text:760px;
  --radius:12px;
  --shadow:0 1px 2px rgba(15,74,44,.06),0 8px 24px rgba(15,74,44,.07);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--c-text-body);background:var(--c-bg);line-height:1.65;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--c-text);line-height:1.25;font-weight:700;margin:1.6em 0 .5em}
h1{font-size:2.1rem;margin-top:0}
h2{font-size:1.55rem;margin-top:1.9em}
h3{font-size:1.2rem}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{margin:.35em 0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--c-border)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px}
.brand{display:flex;align-items:center}
.brand img{height:42px;width:auto}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{color:var(--c-text-body);padding:8px 12px;border-radius:8px;font-size:.95rem;font-weight:600}
.nav a:hover{background:var(--c-accent-soft);color:var(--c-primary-dark);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--c-border);border-radius:8px;padding:8px 10px;font-size:1.2rem;cursor:pointer;color:var(--c-primary-dark)}

/* Hero */
.hero{background:linear-gradient(160deg,var(--c-bg-soft) 0%,#eaf4ee 100%);border-bottom:1px solid var(--c-border)}
.hero .wrap{padding:60px 22px 56px}
.hero h1{font-size:2.6rem;max-width:14ch}
.hero .lead{font-size:1.25rem;color:var(--c-text-muted);max-width:60ch;margin-bottom:1.6em}
.btn{display:inline-block;background:var(--c-primary);color:#fff;padding:13px 24px;border-radius:10px;font-weight:700;box-shadow:var(--shadow)}
.btn:hover{background:var(--c-primary-dark);text-decoration:none;color:#fff}
.btn.secondary{background:#fff;color:var(--c-primary-dark);border:1.5px solid var(--c-primary)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* Content */
main{padding:8px 0 40px}
.section{padding:14px 0}
.prose{max-width:var(--maxw-text);margin:0 auto}
.lede{font-size:1.18rem;color:var(--c-text-muted)}

/* Breadcrumbs */
.breadcrumbs{font-size:.88rem;color:var(--c-text-muted);padding:18px 0 0}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0}
.breadcrumbs li::after{content:"›";margin-left:6px;color:var(--c-border)}
.breadcrumbs li:last-child::after{content:""}

/* Cards / Grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin:1.4em 0}
.card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(15,74,44,.12)}
.card h3{margin-top:0}
.card p{color:var(--c-text-muted);font-size:.97rem;margin-bottom:.6em}
.card a.more{font-weight:700}

/* Callout */
.callout{background:var(--c-accent-soft);border-left:4px solid var(--c-primary);border-radius:8px;padding:16px 20px;margin:1.5em 0}
.callout p:last-child{margin-bottom:0}

/* Tables */
.table-wrap{overflow-x:auto;margin:1.4em 0}
table{border-collapse:collapse;width:100%;font-size:.96rem}
th,td{border:1px solid var(--c-border);padding:10px 12px;text-align:left;vertical-align:top}
th{background:var(--c-bg-soft);font-weight:700;color:var(--c-text)}
tr:nth-child(even) td{background:#fafcfb}

/* FAQ */
.faq{margin:1.4em 0}
.faq details{border:1px solid var(--c-border);border-radius:10px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:15px 18px;font-weight:700;color:var(--c-text);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--c-primary);font-weight:700}
.faq details[open] summary::after{content:"–"}
.faq details .a{padding:0 18px 16px;color:var(--c-text-body)}

/* Trusted sources */
.sources{margin:2em 0 0;padding:18px 22px;background:var(--c-bg-soft);border:1px solid var(--c-border);border-radius:var(--radius)}
.sources h2{margin:0 0 .5em;font-size:1.1rem}
.sources ul{margin:0;padding-left:1.2em}
.sources li{margin:.3em 0;font-size:.95rem}

/* Key facts box */
.facts{background:var(--c-bg-soft);border:1px solid var(--c-border);border-radius:var(--radius);padding:20px 24px;margin:1.6em 0}
.facts h3{margin-top:0}
.facts ul{margin-bottom:0}

/* Footer */
.site-footer{background:var(--c-bg-dark);color:#cfe6d8;margin-top:50px;padding:46px 0 30px;font-size:.95rem}
.site-footer a{color:#eaf7ee}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.site-footer h4{color:#fff;font-size:1rem;margin:0 0 .7em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.35em 0}
.site-footer .legal{border-top:1px solid rgba(255,255,255,.15);margin-top:30px;padding-top:18px;color:#9fc6ad;font-size:.85rem}

@media(max-width:820px){
  .hero h1{font-size:2.05rem}
  .nav{position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--c-border);flex-direction:column;padding:8px 16px;display:none;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .site-footer .cols{grid-template-columns:1fr;gap:22px}
}