/* Byteburg - statisches Stylesheet */
:root{
  --ink:#141a24;
  --ink-soft:#414b5a;
  --muted:#65707f;
  --line:#e3e8ef;
  --bg:#ffffff;
  --bg-alt:#f5f8fb;
  --brand:#0f6fbf;        /* 5,1:1 auf Weiss */
  --brand-dark:#0b5695;
  --brand-soft:#e8f2fb;
  --accent:#0d9488;       /* nur dekorativ, nie als Textfarbe auf Weiss */
  --radius:16px;
  --shadow:0 1px 2px rgba(20,26,36,.04),0 8px 24px rgba(20,26,36,.06);
  --shadow-lg:0 12px 40px rgba(15,111,191,.16);
  --maxw:1120px;
  --font:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
/* overflow-x:clip MUSS auf html stehen: der Drawer ist position:fixed und
   wird von einem clip auf body nicht erfasst (sonst 710px statt 390px). */
html{scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.wrap.narrow{max-width:800px}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:12px 18px;z-index:100;border-radius:0 0 10px 0}
.skip:focus{left:0}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{width:38px;height:38px;border-radius:9px}
.brand small{display:block;font-weight:500;font-size:12px;color:var(--muted);letter-spacing:.02em}
.menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
/* display:block ist Pflicht: als inline-Element wirkt das vertikale Padding
   nicht auf die Zeilenhoehe, im Drawer ueberlappen die Punkte sonst. */
.menu a{display:block;color:var(--ink-soft);font-weight:600;font-size:14.5px;padding:9px 12px;border-radius:10px;transition:.15s;white-space:nowrap}
.menu a:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.menu a.active{color:var(--brand);background:var(--brand-soft)}
.menu a.cta{background:var(--brand);color:#fff}
.menu a.cta:hover{background:var(--brand-dark)}
.burger{display:none;border:0;background:none;cursor:pointer;padding:8px;border-radius:10px}
.burger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.25s}
.nav-toggle{display:none}
.nav-scrim{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#eaf3fb 0%,#eef7f6 48%,#f5f8fb 100%)}
.hero::before{content:"";position:absolute;top:-140px;right:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(15,111,191,.2),transparent 70%);pointer-events:none}
.hero-inner{padding:78px 0 66px;max-width:760px;position:relative}
.eyebrow{display:inline-block;background:#fff;border:1px solid var(--line);color:var(--brand);
  font-weight:700;font-size:13px;letter-spacing:.04em;text-transform:uppercase;padding:6px 14px;border-radius:999px;box-shadow:var(--shadow)}
.hero h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.12;margin:22px 0 16px;letter-spacing:-.02em;font-weight:800;
  overflow-wrap:break-word;hyphens:auto}
.hero h1 .grad{background:linear-gradient(90deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:19px;color:var(--ink-soft);margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:16px;padding:14px 26px;border-radius:12px;transition:.18s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{background:var(--brand-dark);text-decoration:none;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}

/* ---------- Sections ---------- */
section{padding:60px 0}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:680px;margin:0 auto 42px;text-align:center}
.section-head .kicker{color:var(--brand);font-weight:700;font-size:14px;letter-spacing:.05em;text-transform:uppercase}
.section-head h2{font-size:clamp(1.6rem,3.5vw,2.3rem);margin:10px 0 12px;letter-spacing:-.01em}
.section-head p{color:var(--muted);font-size:18px;margin:0}

/* ---------- Karten ---------- */
.grid{display:grid;gap:26px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#c9dff2}
.card .tag{align-self:flex-start;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:12px;
  text-transform:uppercase;letter-spacing:.04em;padding:5px 12px;border-radius:999px;margin-bottom:14px}
.card h3{font-size:19px;margin:0 0 10px;line-height:1.32}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--brand);text-decoration:none}
.card p{color:var(--ink-soft);font-size:15.5px;margin:0 0 18px}
.card .more{margin-top:auto;font-weight:700;color:var(--brand);font-size:15px}

/* ---------- Artikel ---------- */
.article-hero{background:linear-gradient(160deg,#eaf3fb,#f5f8fb);border-bottom:1px solid var(--line);padding:52px 0 40px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--muted)}
.article-hero h1{font-size:clamp(1.8rem,4.2vw,2.6rem);max-width:860px;margin:0 0 14px;line-height:1.18;letter-spacing:-.015em;
  overflow-wrap:break-word;hyphens:auto}
.hero-sub{color:var(--ink-soft);font-size:18px;max-width:760px;margin:0}
.meta-row{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:14.5px;align-items:center}
.meta-row .pill{background:var(--brand-soft);color:var(--brand);font-weight:700;padding:4px 12px;border-radius:999px}
.prose{max-width:760px;margin:48px auto;padding:0 22px}
.prose .lead{font-size:19.5px;color:var(--ink);margin:0 0 28px}
.prose h2{font-size:1.55rem;margin:44px 0 14px;letter-spacing:-.01em;line-height:1.3;overflow-wrap:break-word}
.prose h3{font-size:1.18rem;margin:30px 0 10px}
.prose p{margin:0 0 20px;color:var(--ink-soft)}
.prose ul,.prose ol{margin:0 0 22px;padding-left:24px;color:var(--ink-soft)}
.prose li{margin:8px 0}
.prose a{font-weight:600;border-bottom:1px solid rgba(15,111,191,.32)}
.prose a:hover{border-color:var(--brand)}
.prose code{font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;
  background:#eef2f7;border:1px solid var(--line);border-radius:7px;padding:2px 7px;font-size:.9em;color:#26303d;overflow-wrap:break-word}
.prose table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15.5px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--bg-alt)}
.prose .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 22px}
.callout{background:var(--brand-soft);border:1px solid #cfe4f6;border-left:4px solid var(--brand);
  border-radius:12px;padding:18px 22px;margin:26px 0}
.callout p{margin:0;color:var(--ink)}
.note{background:#eefaf8;border:1px solid #c7ece7;border-left:4px solid var(--accent);border-radius:12px;padding:16px 22px;margin:24px 0;font-size:15.5px}
.note p{margin:0;color:var(--ink-soft)}

/* ---------- Listen / Related ---------- */
.linklist{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:8px}
.linklist li{margin:0}
.linklist a{font-weight:600}
.related{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;margin:0 0 60px}
.related h2{margin:0 0 14px;font-size:1.25rem}
.related ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.related a{font-weight:600}

/* ---------- Formular ---------- */
.form{margin:0 0 34px}
.field{margin:0 0 20px}
.field label{display:block;font-weight:600;font-size:15.5px;margin:0 0 7px;color:var(--ink)}
.field input[type=text],.field input[type=email],.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;font:inherit;font-size:16px;
  background:#fff;color:var(--ink)}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px var(--brand-soft)}
.field.checkbox{display:flex;gap:11px;align-items:flex-start}
.field.checkbox input{margin-top:5px;flex:0 0 auto;width:18px;height:18px}
.field.checkbox label{font-weight:400;font-size:15px;color:var(--ink-soft);margin:0}

/* ---------- Footer ---------- */
.site-footer{background:#10161f;color:#c4ccd6;padding:56px 0 28px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.site-footer .brand{color:#fff}
.site-footer .brand small{color:#8a94a3}
.site-footer p{color:#98a2b0;font-size:15px}
.foot-col h4{color:#fff;font-size:15px;margin:0 0 14px;letter-spacing:.02em}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin:9px 0}
.foot-col a{color:#b3bcc8;font-size:15px}
.foot-col a:hover{color:#fff;text-decoration:none}
.foot-bottom{border-top:1px solid #232b36;padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;align-items:center;font-size:14px;color:#828c99}
.foot-bottom a{color:#b3bcc8}

/* ---------- Responsive (aufsteigend gelesen: groesste Breite zuerst) ---------- */
@media(max-width:1040px){
  .menu a{padding:9px 9px;font-size:14px}
}
@media(max-width:900px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  body{font-size:16px}
  .burger{display:block;z-index:60}
  .nav-scrim{display:block;position:fixed;inset:0;background:rgba(16,22,31,.45);opacity:0;pointer-events:none;
    transition:opacity .28s ease;z-index:55}
  .nav-toggle:checked ~ .nav-scrim{opacity:1;pointer-events:auto}
  .menu{position:fixed;top:0;right:0;height:100vh;height:100dvh;width:min(82vw,330px);flex-direction:column;align-items:stretch;
    gap:4px;background:#fff;padding:88px 20px 24px;box-shadow:-14px 0 40px rgba(0,0,0,.14);overflow-y:auto;
    transform:translateX(100%);transition:transform .28s ease,visibility .28s;border-left:1px solid var(--line);z-index:58;
    visibility:hidden}                   /* geschlossen: keine Tab-Fokusfalle */
  .menu a{padding:14px 16px;font-size:17px;border-radius:12px}
  .menu a.cta{text-align:center;margin-top:8px}
  .nav-toggle:checked ~ .menu{transform:translateX(0);visibility:visible}
  .nav-toggle:checked ~ .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked ~ .burger span:nth-child(2){opacity:0}
  .nav-toggle:checked ~ .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  section{padding:46px 0}
  .hero-inner{padding:56px 0 48px}
  .prose{margin:36px auto}
}