/* =======================================================================
   Bierwirth-IT — Base Design System (von allen Varianten genutzt)
   Palette: Ink/Grau auf Hell · Canvas = Farbe · Akzent = Brand-Blau (Logo)
   ======================================================================= */
:root{
  --bg:#f6f7f9; --surface:rgba(255,255,255,0.80); --surface-soft:rgba(255,255,255,0.60);
  --ink:#15171c; --ink-2:#3b3f47; --muted:#6c717a;
  --line:rgba(20,24,32,0.10); --line-2:rgba(20,24,32,0.16);
  --accent:#1487cf; --accent-ink:#0c5e93; --accent-soft:rgba(20,135,207,0.10);
  --r:20px; --r-lg:28px; --r-sm:13px;
  --ease:cubic-bezier(0.32,0.72,0,1); --eo:cubic-bezier(0.23,1,0.32,1);
  --maxw:1180px; --shadow:0 22px 60px -30px rgba(16,24,40,0.32); --shadow-sm:0 10px 30px -18px rgba(16,24,40,0.3);
  --glow:0 0 18px rgba(255,255,255,1),0 0 9px rgba(255,255,255,1),0 1px 3px #fff,0 0 3px #fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Switzer",system-ui,sans-serif;color:var(--ink-2);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
h1,h2,h3,h4{font-family:"General Sans",sans-serif;color:var(--ink);font-weight:600;letter-spacing:-0.018em;margin:0;text-wrap:balance}
p{margin:0;line-height:1.62}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.glow{text-shadow:var(--glow)}                       /* Lesbarkeit über Canvas (wie alte Seite) */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:11.5px;letter-spacing:0.2em;text-transform:uppercase;font-weight:600;color:var(--accent-ink)}
.eyebrow::before{content:"";width:20px;height:1px;background:currentColor;opacity:.5}

/* ---- Canvas + Overlays ---- */
#displayCanvas{position:fixed;inset:0;width:100vw;height:100vh;z-index:-2;opacity:0.55;pointer-events:none}
.bg-veil{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(120% 75% at 50% -8%,rgba(246,247,249,0) 42%,rgba(246,247,249,0.5) 100%)}
.grain{position:fixed;inset:0;z-index:60;pointer-events:none;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.progress{position:fixed;top:0;left:0;height:3px;width:100%;z-index:70;transform-origin:0 50%;transform:scaleX(0);
  background:linear-gradient(90deg,var(--accent),#74c0ec);box-shadow:0 0 14px rgba(20,135,207,.45);
  animation:prog linear both;animation-timeline:scroll(root)}
@keyframes prog{to{transform:scaleX(1)}}

/* ---- NAV (Fluid-Island Glass) ---- */
.nav-wrap{position:fixed;inset:0 0 auto 0;z-index:50;display:block;padding:0}
.nav{display:flex;align-items:center;gap:14px;width:100%;
  padding:9px max(24px,calc((100vw - var(--maxw))/2));
  background:rgba(247,248,250,0.74);backdrop-filter:blur(22px) saturate(165%);-webkit-backdrop-filter:blur(22px) saturate(165%);
  border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(255,255,255,.6) inset}
.logo{display:flex;align-items:center}
.logo img{height:44px;width:auto;display:block}
/* angedockter, austauschbarer Sektions-Titel */
.nav-context{display:none;align-items:center;gap:14px;height:26px}
.nav-context.show{display:flex}
.nav-context::before{content:"";width:1px;height:22px;background:var(--line-2)}
.nav-context .ctx{position:relative;height:26px;min-width:20px;overflow:hidden}
.nav-context .ctx span{position:absolute;left:0;top:0;height:26px;line-height:26px;white-space:nowrap;
  font-family:"General Sans";font-weight:600;font-size:15px;color:var(--ink);
  transform:translateY(100%);opacity:0;transition:transform .42s var(--ease),opacity .42s var(--ease)}
.nav-context .ctx span.cur{transform:translateY(0);opacity:1}
.nav-spring{margin-left:auto}
.nav-links{display:flex;align-items:center;gap:2px;position:relative;margin-left:auto}
.nav-links a{padding:9px 14px;font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;position:relative;z-index:1;
  transition:color .25s var(--eo)}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--accent-ink);font-weight:600}
.nav-indicator{position:absolute;bottom:2px;left:0;width:0;height:3px;border-radius:3px;opacity:0;pointer-events:none;
  background:linear-gradient(90deg,var(--accent),#5cb7ea);box-shadow:0 0 12px rgba(20,135,207,.55);
  transition:left .42s var(--ease),width .42s var(--ease),opacity .3s}
.nav-cta{display:inline-flex;align-items:center;gap:9px;padding:9px 9px 9px 16px;border-radius:999px;
  background:linear-gradient(180deg,#1a93dd,#1281c6);color:#fff;box-shadow:0 8px 20px -8px rgba(20,135,207,.6);
  font-weight:600;font-size:14px;white-space:nowrap;transition:transform .2s var(--eo),box-shadow .3s var(--ease)}
.nav-cta:hover{box-shadow:0 12px 26px -8px rgba(20,135,207,.7)}
.nav-cta:active{transform:scale(.98)}
.nav-cta .ic{display:grid;place-items:center;width:28px;height:28px;border-radius:999px;background:rgba(255,255,255,.18);transition:transform .25s var(--eo)}
.nav-cta:hover .ic{transform:translate(2px,-1px)}
.burger{display:none;width:42px;height:42px;border:0;background:transparent;cursor:pointer;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--ink);border-radius:2px;transition:transform .4s var(--ease),top .3s var(--ease),opacity .2s}
.burger span:nth-child(1){top:16px}.burger span:nth-child(2){top:23px}.burger span:nth-child(3){top:30px}
body.menu-open .burger span:nth-child(1){top:23px;transform:rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){top:23px;transform:rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:45;display:none;flex-direction:column;justify-content:center;gap:4px;padding:0 32px;
  background:rgba(246,247,249,0.9);backdrop-filter:blur(26px);-webkit-backdrop-filter:blur(26px)}
.mobile-menu.open{display:flex}
.mobile-menu a{font-family:"General Sans";font-size:30px;font-weight:600;color:var(--ink);padding:9px 0;opacity:0;transform:translateY(16px)}
.mobile-menu.open a{animation:rise .55s var(--ease) forwards}
.mobile-menu.open a:nth-child(1){animation-delay:.05s}.mobile-menu.open a:nth-child(2){animation-delay:.1s}
.mobile-menu.open a:nth-child(3){animation-delay:.15s}.mobile-menu.open a:nth-child(4){animation-delay:.2s}
.mobile-menu.open a:nth-child(5){animation-delay:.25s}.mobile-menu.open a:nth-child(6){animation-delay:.3s}.mobile-menu.open a:nth-child(7){animation-delay:.35s}
@keyframes rise{to{opacity:1;transform:none}}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:11px;padding:14px 14px 14px 24px;border-radius:999px;font-weight:600;font-size:15.5px;
  cursor:pointer;border:0;transition:box-shadow .3s var(--ease),filter .25s var(--ease),border-color .25s}
.btn-primary{background:linear-gradient(180deg,#1a93dd,#1281c6);color:#fff;box-shadow:0 14px 30px -12px rgba(20,135,207,.6)}
.btn-primary .ic{display:grid;place-items:center;width:32px;height:32px;border-radius:999px;background:rgba(255,255,255,.22);transition:transform .25s var(--eo)}
.btn-primary:hover{box-shadow:0 22px 48px -12px rgba(20,135,207,.92);filter:brightness(1.06)}.btn-primary:hover .ic{transform:translate(3px,-1px)}
.btn-ghost{padding:14px 24px;background:var(--surface-soft);border:1px solid var(--line);color:var(--ink);backdrop-filter:blur(8px)}
.btn-ghost:hover{border-color:var(--line-2)}

/* ---- Sections ---- */
section.block{padding:104px 0;position:relative}
.sec-head{max-width:760px;margin-bottom:46px}
.sec-head .eyebrow,.sec-head h2,.sec-head p{text-shadow:var(--glow)}
.sec-head h2{font-size:clamp(2rem,4.4vw,3.3rem);line-height:1.04;margin-top:14px}
.sec-head p{margin-top:16px;color:var(--ink-2);font-size:1.06rem;max-width:62ch}
/* Hero-Text immer mit weißem Lesbarkeits-Schatten */
.hero h1,.hero .lead,.hero .eyebrow,.hero-meta b,.hero-meta span{text-shadow:var(--glow)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}

/* ---- HERO ---- */
.hero{min-height:100dvh;display:flex;align-items:center;padding:150px 0 90px}
.hero .inner{max-width:940px}
.hero h1{font-size:clamp(2.5rem,6.2vw,4.9rem);line-height:1.04;letter-spacing:-0.025em;font-weight:600}
.hero .lead{margin-top:24px;font-size:clamp(1.05rem,1.8vw,1.28rem);color:var(--ink-2);max-width:48ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:36px}
.hero-meta{margin-top:46px;display:flex;gap:22px 38px;flex-wrap:wrap}
.hero-meta div{display:flex;flex-direction:column;gap:2px}
.hero-meta b{font-family:"General Sans";font-size:26px;color:var(--ink);font-weight:600;letter-spacing:-0.02em}
.hero-meta span{font-size:13px;color:var(--muted)}
.hero .inner>*{opacity:0;transform:translateY(26px);filter:blur(8px)}
.hero.loaded .inner>*{opacity:1;transform:none;filter:none;transition:opacity 1s var(--ease),transform 1s var(--ease),filter 1s var(--ease)}
.hero.loaded .eyebrow{transition-delay:.05s}.hero.loaded h1{transition-delay:.16s}
.hero.loaded .lead{transition-delay:.34s}.hero.loaded .hero-cta{transition-delay:.48s}.hero.loaded .hero-meta{transition-delay:.6s}

/* ---- Service-Säulen ---- */
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pillar{padding:26px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:8px}
.pillar .k{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600}
.pillar h3{font-size:1.18rem;margin-top:4px}
.pillar p{font-size:.93rem;color:var(--ink-2)}

/* ---- Technologie-Matrix (collapsible) ---- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px;position:relative}
.matrix.collapsible .extra{display:none}
.matrix.collapsible.open .extra{display:block}
.mcat{padding:22px;border-radius:var(--r);background:var(--surface-soft);border:1px solid var(--line);backdrop-filter:blur(6px)}
.mcat-h{font-family:"General Sans";font-weight:600;color:var(--ink);font-size:1rem;margin-bottom:13px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{font-size:12.5px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.toggle-more{display:flex;width:fit-content;align-items:center;gap:8px;margin:26px auto 0;padding:12px 22px;border-radius:999px;cursor:pointer;
  background:var(--surface);border:1px solid var(--line-2);color:var(--ink);font-weight:600;font-size:14px;font-family:inherit;
  transition:background .25s,transform .2s var(--eo)}
.toggle-more:hover{background:#fff;transform:translateY(-1px)}
.toggle-more.is-open svg{transform:rotate(180deg)}
[data-render="matrix"]+.toggle-more,[data-render="timeline"]+.toggle-more{display:flex}

/* ---- KI-Strategie ---- */
.ki-phases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ki-phase{padding:26px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.ki-phase h4{font-size:1.1rem;margin-bottom:14px;color:var(--ink)}
.ki-phase ul,.ki-adv ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.ki-phase li{font-size:.92rem;color:var(--ink-2);padding-left:20px;position:relative;line-height:1.5}
.ki-phase li::before{content:"";position:absolute;left:0;top:.55em;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.ki-adv{margin-top:18px;padding:26px;border-radius:var(--r);background:var(--accent-soft);border:1px solid rgba(20,135,207,.18)}
.ki-adv h4{margin-bottom:14px}
.ki-adv .adv{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.ki-adv li{font-size:.94rem;color:var(--ink);padding-left:24px;position:relative}
.ki-adv li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}

/* ---- Kurse ---- */
.courses{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.course{display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.course:hover{transform:translateY(-5px);box-shadow:0 34px 70px -30px rgba(16,24,40,.45)}
.course-img{height:190px;background-size:cover;background-position:center}
.course-body{padding:28px;display:flex;flex-direction:column;gap:10px}
.badge{align-self:flex-start;font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);
  background:var(--accent-soft);border:1px solid rgba(20,135,207,.2);border-radius:999px;padding:5px 12px}
.course h3{font-size:1.5rem}
.course p{font-size:.96rem;color:var(--ink-2)}
.more{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:var(--accent);margin-top:4px}
.more svg{transition:transform .25s var(--eo)}
.course:hover .more svg,.post:hover .more svg{transform:translateX(4px)}

/* ---- Lebenslauf / Timeline ---- */
.timeline{position:relative;display:flex;flex-direction:column}
.timeline.collapsible .extra{display:none}
.timeline.collapsible.open .extra{display:flex}
.tl-item{display:flex;gap:26px;padding:22px 0;border-top:1px solid var(--line)}
.tl-item:first-child{border-top:0}
.tl-date{flex:0 0 130px;font-family:"General Sans";font-weight:600;color:var(--accent-ink);font-size:.95rem;padding-top:2px}
.tl-body h4{font-size:1.08rem;color:var(--ink)}
.tl-body p{margin-top:6px;font-size:.95rem;color:var(--ink-2);max-width:64ch}

/* ---- Zertifikate ---- */
.certs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.cert{cursor:pointer;border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.40);border-radius:13px;padding:0;overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 10px 26px -18px rgba(16,24,40,.35);transition:transform .3s var(--eo),box-shadow .3s var(--ease),border-color .25s,background .25s;font-family:inherit;text-align:left}
.cert:hover{transform:translateY(-5px);border-color:var(--accent);background:rgba(255,255,255,.62);box-shadow:0 26px 54px -26px rgba(16,24,40,.5)}
.cert .thumb{aspect-ratio:7/5;display:grid;place-items:center;padding:9px;background:rgba(255,255,255,.28);border-bottom:1px solid rgba(255,255,255,.5)}
.cert .thumb img{max-height:100%;max-width:100%;width:auto;object-fit:contain;filter:drop-shadow(0 6px 14px rgba(16,24,40,.18))}
.cert-cap{font-size:11.5px;color:var(--ink-2);line-height:1.32;font-weight:500;padding:10px 12px;display:flex;flex-direction:column;gap:5px;margin-top:auto;text-shadow:0 1px 2px rgba(255,255,255,.85)}
.cert-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.64em}
.cert-view{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:12px;opacity:0;transform:translateY(4px);transition:opacity .25s,transform .25s}
.cert:hover .cert-view{opacity:1;transform:none}
.cert-view svg{width:13px;height:13px}

/* ---- Legal (Datenschutz / Impressum) ---- */
.legal{max-width:880px;margin:0 auto;padding:150px 24px 90px}
.legal .lead-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);padding:26px 30px;margin-bottom:34px}
.legal h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-0.025em;margin-bottom:10px;text-shadow:var(--glow)}
.legal h3,.legal h4,.legal p,.legal ul,.legal ol,.legal li,.legal-back{text-shadow:var(--glow)}
.legal aside .callout{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);padding:24px 28px;margin-bottom:30px}
.legal h3{font-family:"General Sans";font-size:1.3rem;color:var(--ink);margin:34px 0 12px}
.legal h4{font-family:"General Sans";font-size:1.05rem;color:var(--ink);margin:22px 0 8px}
.legal p{color:var(--ink-2);font-size:.96rem;line-height:1.7;margin:0 0 14px;max-width:none}
.legal aside .callout p{line-height:1.45;margin:0 0 10px}
.legal ul,.legal ol{color:var(--ink-2);font-size:.96rem;line-height:1.7;padding-left:22px;margin:0 0 16px}
.legal li{margin-bottom:7px}
.legal a{color:var(--accent-ink);text-decoration:underline;text-underline-offset:2px}
.legal .banner{display:none}
.legal .button{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:999px;background:var(--ink);color:#fff;font-weight:600;font-size:14px;margin:6px 0}
.legal-back{display:inline-flex;align-items:center;gap:8px;color:var(--accent-ink);font-weight:600;margin-bottom:18px}
.lb{position:fixed;inset:0;z-index:200;display:none;place-items:center;padding:5vh 5vw;background:rgba(12,14,18,.78);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.lb.open{display:grid;animation:lbIn .3s var(--eo)}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lb-fig{margin:0;display:flex;flex-direction:column;align-items:center;gap:14px;max-width:1000px}
.lb-fig img{max-width:100%;max-height:78vh;border-radius:12px;box-shadow:0 40px 90px -30px rgba(0,0,0,.7);background:#fff;animation:lbPop .4s var(--ease)}
@keyframes lbPop{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:none}}
.lb-fig figcaption{color:#fff;font-size:.95rem;opacity:.92}
.lb-close{position:fixed;top:22px;right:28px;width:46px;height:46px;border-radius:999px;border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.1);color:#fff;font-size:26px;line-height:1;cursor:pointer;transition:background .2s}
.lb-close:hover{background:rgba(255,255,255,.22)}

/* ---- Partner ---- */
.logos{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:30px 44px}
.logos img{height:34px;width:auto;opacity:.55;filter:grayscale(1);transition:opacity .3s,filter .3s}
.logos img:hover{opacity:.95;filter:grayscale(0)}

/* ---- Blog ---- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .25s}
.post:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 30px 70px -30px rgba(16,24,40,.42)}
.post .cover{height:172px;background-size:cover;background-position:center;background-color:#e9edf2}
.post-body{padding:24px;display:flex;flex-direction:column;flex:1}
.post .date{font-size:12.5px;color:var(--muted)}
.post h3{font-size:1.2rem;margin-top:9px;line-height:1.22}
.post p{margin-top:9px;font-size:.92rem;color:var(--ink-2);flex:1}
.post-body .more{margin-top:16px}
.post.featured{grid-column:span 2;flex-direction:row}
.post.featured .cover{flex:0 0 46%;height:auto}
.post.featured .post-body{padding:34px}
.post.featured h3{font-size:1.7rem}
.pager{display:flex;align-items:center;justify-content:center;gap:18px;margin:48px auto 0}
.pager-info{color:var(--muted);font-size:.95rem}

/* ---- Footer ---- */
footer{margin-top:40px;padding:68px 0 38px;background:rgba(255,255,255,0.82);border-top:1px solid var(--line);position:relative;z-index:1}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.foot .logo{display:inline-flex;margin-bottom:16px}
.foot p{font-size:.95rem;color:var(--ink-2);max-width:34ch}
.foot h5{font-family:"General Sans";font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin:0 0 14px}
.foot a:not(.btn){display:block;padding:5px 0;color:var(--ink-2);font-size:.95rem;transition:color .2s}
.foot a:not(.btn):hover{color:var(--accent-ink)}
.foot .btn{margin-top:8px}
.foot-base{margin-top:46px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted)}

/* ---- KI-Use-Cases ---- */
.usecases{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.uc{padding:26px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px}
.uc-ic{display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--accent-soft);color:var(--accent-ink);border:1px solid rgba(20,135,207,.18)}
.uc-ic svg{width:24px;height:24px}
.uc h3{font-size:1.16rem;margin-top:4px}
.uc p{font-size:.94rem;color:var(--ink-2)}

/* ---- Ablauf / Steps + Trust ---- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{padding:28px;border-radius:var(--r);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.step-n{font-family:"General Sans";font-weight:600;font-size:.9rem;color:#fff;background:linear-gradient(180deg,#1a93dd,#1281c6);
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;box-shadow:0 10px 20px -10px rgba(20,135,207,.6)}
.step h3{font-size:1.24rem}
.step p{margin-top:10px;font-size:.96rem;color:var(--ink-2)}
.trust-bar{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:28px;padding:20px 26px;border-radius:var(--r);background:var(--surface-soft);border:1px solid var(--line)}
.trust-bar span{display:inline-flex;align-items:center;gap:9px;font-size:.95rem;font-weight:500;color:var(--ink)}
.trust-bar svg{width:18px;height:18px;color:var(--accent);flex:none}

/* ---- Quick-Check ---- */
.qc{padding:40px}
.qc-head{max-width:640px;margin-bottom:22px}
.qc-head h2{font-size:clamp(1.6rem,3.2vw,2.3rem);margin-top:12px}
.qc-head p{margin-top:12px;color:var(--ink-2)}
.qc-items{display:flex;flex-direction:column;gap:10px}
.qc-item{display:flex;align-items:flex-start;gap:14px;text-align:left;padding:15px 18px;border-radius:14px;cursor:pointer;
  background:var(--surface-soft);border:1px solid var(--line);font:inherit;font-size:1rem;color:var(--ink);transition:border-color .2s,background .2s}
.qc-item:hover{border-color:var(--line-2)}
.qc-box{flex:none;width:24px;height:24px;border-radius:7px;border:2px solid var(--line-2);margin-top:1px;display:grid;place-items:center;transition:.2s}
.qc-item.checked{border-color:var(--accent);background:var(--accent-soft)}
.qc-item.checked .qc-box{background:var(--accent);border-color:var(--accent)}
.qc-item.checked .qc-box::after{content:"";width:6px;height:11px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-1px)}
.qc-actions{margin-top:22px}
.qc-result{margin-top:24px;padding:24px;border-radius:var(--r);background:var(--accent-soft);border:1px solid rgba(20,135,207,.2);display:flex;flex-direction:column;gap:16px;align-items:flex-start}
.qc-result[hidden]{display:none}
.qc-result-text{font-size:1.08rem;color:var(--ink);font-weight:500;max-width:60ch}

/* ---- FAQ ---- */
.faq{max-width:820px;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:19px 24px;font-family:"General Sans";font-weight:600;font-size:1.06rem;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq-i{flex:none;width:22px;height:22px;position:relative}
.faq-i::before,.faq-i::after{content:"";position:absolute;background:var(--accent);border-radius:2px;transition:transform .3s var(--ease),opacity .3s}
.faq-i::before{top:10px;left:3px;width:16px;height:2px}
.faq-i::after{top:3px;left:10px;width:2px;height:16px}
.faq details[open] .faq-i::after{transform:rotate(90deg);opacity:0}
.faq details p{padding:0 24px 22px;color:var(--ink-2);font-size:.98rem;line-height:1.65;max-width:70ch}
@media (max-width:1000px){.usecases,.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.usecases,.steps{grid-template-columns:1fr}.qc{padding:26px}}

/* ---- Reveal ---- */
.reveal{opacity:0;transform:translateY(24px);filter:blur(6px);transition:opacity .8s var(--ease),transform .8s var(--ease),filter .8s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:none}
.tilt{will-change:transform;position:relative}
.tilt::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .4s var(--eo);
  background:radial-gradient(440px circle at var(--mx,50%) var(--my,0%),rgba(20,135,207,.16),transparent 62%)}
.tilt:hover::after{opacity:1}

/* ---- TeamViewer-Support (Ecke) ---- */
.tv-support{position:fixed;left:20px;bottom:20px;z-index:55;display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px 7px 7px;border-radius:999px;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);box-shadow:0 14px 32px -14px rgba(16,24,40,.45);color:var(--ink);font-weight:600;
  opacity:0;transform:translateY(12px);pointer-events:none;transition:opacity .4s var(--ease),transform .4s var(--ease),box-shadow .3s}
.tv-support.show{opacity:1;transform:none;pointer-events:auto}
.tv-support:hover{box-shadow:0 20px 40px -14px rgba(16,24,40,.55)}
.tv-ic{width:34px;height:34px;border-radius:9px;background:#0b6fd6;display:grid;place-items:center;flex:none;box-shadow:0 5px 12px -5px rgba(11,111,214,.65)}
.tv-ic img{width:20px;height:20px;display:block}
.tv-txt{display:flex;flex-direction:column;line-height:1.12;font-size:13.5px}
.tv-txt small{font-weight:500;font-size:10.5px;color:var(--muted)}
@media (max-width:560px){.tv-txt{display:none}.tv-support{padding:7px;gap:0}}

/* ---- Cookie-Banner ---- */
.cookie{position:fixed;left:0;right:0;bottom:0;z-index:90;display:flex;justify-content:center;padding:16px;animation:ckin .5s var(--ease)}
@keyframes ckin{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.cookie-inner{max-width:1080px;width:100%;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 50px -20px rgba(16,24,40,.4);
  padding:20px 24px;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.cookie-text{flex:1;min-width:280px;font-size:.92rem;color:var(--ink-2);line-height:1.5}
.cookie-text h5{font-family:"General Sans";font-size:1.02rem;color:var(--ink);margin:0 0 6px}
.cookie-text a{color:var(--accent-ink);text-decoration:underline}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie-actions .btn{padding:12px 22px;font-size:14.5px}
@media (max-width:560px){.cookie-actions{width:100%}.cookie-actions .btn{flex:1;justify-content:center}}

/* ---- n8n-Chat: markenblau, kompakter Header, klarer Rahmen ---- */
.chat-window-wrapper{
  --chat--color-primary:#1487cf;
  --chat--color-primary-shade-50:#1077b8;
  --chat--color-primary-shade-100:#0c5e93;
  --chat--color-secondary:#1487cf;
  --chat--color-secondary-shade-50:#0c5e93;
  --chat--header--background:linear-gradient(135deg,#1a93dd 0%,#0c5e93 100%);
  --chat--header--color:#ffffff;
  --chat--heading--font-size:1.3rem;
  --chat--subtitle--font-size:.9rem;
  --chat--header--padding:1rem 1.2rem;
  --chat--window--width:600px;
  --chat--window--height:820px;
  --chat--border-radius:14px;
  --chat--message--font-size:.96rem;
  --chat--message--user--background:#1487cf;
  --chat--message--user--color:#ffffff;
  --chat--message--bot--background:#ffffff;
  --chat--message--bot--color:#16181d;
  --chat--toggle--size:60px;
}
.chat-window-wrapper .chat-window{
  border:1px solid rgba(20,24,32,.14)!important;
  border-radius:18px!important;
  box-shadow:0 34px 90px -28px rgba(16,24,40,.55), 0 4px 14px -6px rgba(16,24,40,.25)!important;
}
.chat-layout .chat-header{gap:.35em!important}
.chat-layout .chat-header h1{font-size:var(--chat--heading--font-size)!important;line-height:1.15!important}
.chat-layout .chat-header p{line-height:1.45!important;opacity:.92}
.chat-window-wrapper .chat-window-toggle{background:linear-gradient(180deg,#1a93dd,#1281c6)!important}
.chat-window-wrapper .chat-window-toggle:hover{background:#1077b8!important}

/* ---- Responsive ---- */
@media (max-width:1000px){
  .pillars{grid-template-columns:repeat(2,1fr)}
  .matrix,.ki-phases{grid-template-columns:repeat(2,1fr)}
  .posts{grid-template-columns:1fr 1fr}
  .post.featured{grid-column:span 2}
  .foot{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav-links,.nav-cta{display:none}.burger{display:block}
  section.block{padding:74px 0}
  .pillars,.matrix,.ki-phases,.ki-adv .adv,.courses,.posts{grid-template-columns:1fr}
  .post.featured{grid-column:span 1;flex-direction:column}.post.featured .cover{flex:none;height:188px}
  .tl-item{flex-direction:column;gap:6px}.tl-date{flex:none}
  .foot{grid-template-columns:1fr}
  .hero{padding:128px 0 70px}
}
@media (prefers-reduced-motion:reduce){
  .reveal,.hero .inner>*{opacity:1!important;transform:none!important;filter:none!important;transition:none}
  .progress{display:none}.tilt,.btn,.nav-cta{transform:none!important}
}

/* ---- Artikel ---- */
.article{max-width:820px;margin:0 auto;padding:140px 24px 90px}
.article .cover{height:400px;border-radius:var(--r-lg);background-size:cover;background-position:center;box-shadow:var(--shadow);border:1px solid var(--line);margin-bottom:30px}
.article .meta{font-size:13px;color:var(--muted);letter-spacing:.02em;margin-bottom:6px}
.article h1{font-size:clamp(2rem,5vw,3.1rem);letter-spacing:-0.03em;line-height:1.05;margin-bottom:24px;text-shadow:var(--glow)}
.article-body{max-width:720px}
.article-body p{color:var(--ink-2);font-size:1.04rem;line-height:1.75;margin:0 0 18px;max-width:none}
.article-body p,.article-body h2,.article-body h3,.article-body ul,.article-body ol,.article-body li{text-shadow:var(--glow)}
.article-body h2,.article-body h3{font-family:"General Sans";color:var(--ink);margin:32px 0 12px;letter-spacing:-0.02em}
.article-body h2{font-size:1.6rem}.article-body h3{font-size:1.3rem}
.article-body ul,.article-body ol{color:var(--ink-2);font-size:1.04rem;line-height:1.5;padding-left:22px;margin:0 0 18px}
.article-body li{margin-bottom:3px}.article-body li::marker{color:var(--accent)}
.article-body img{display:block;max-width:100%;height:auto;margin:28px auto;border-radius:16px;border:1px solid var(--line);box-shadow:0 18px 44px -24px rgba(16,24,40,.4);background:rgba(255,255,255,.6)}
.article-body figure{margin:28px 0}.article-body figure img{margin:0 auto}.article-body figcaption{margin-top:10px;font-size:.88rem;color:var(--muted);text-align:center}
.article-body a{color:var(--accent-ink);text-decoration:underline}

/* Chat – Schritt 1: nur Nachrichtenschrift normalisieren (n8n.css setzt 125%) */
.chat-message-markdown{font-size:.95rem!important;line-height:1.55!important}

/* Chat: kompaktere Eingabezeile (Pfeil passt gerade rein) */
.chat-window-wrapper{--chat--textarea--height:40px}

/* Chat: Nachrichten nicht unter den Scrollbalken klippen */
.chat-messages-list{overflow-x:hidden!important;padding-right:14px}
.chat-window-wrapper .chat-message{max-width:82%}

/* Chat: Aufzählungen/nummerierte Listen einrücken (klebten am Rand) */
.chat-message-markdown ol,.chat-message-markdown ul{padding-left:2.25em!important;margin:.5rem 0 .9rem!important;list-style-position:outside!important}
.chat-message-markdown li{margin-bottom:.25rem}

/* Chat: Schließen-X (nur Handy-Vollbild sichtbar; n8n hat sonst nur den Toggle-Pfeil) */
.biit-chat-close{display:none;position:fixed;z-index:10000;top:calc(env(safe-area-inset-top,0px) + 12px);right:14px;width:36px;height:36px;align-items:center;justify-content:center;border:0;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;font-size:24px;line-height:1;cursor:pointer}
.biit-chat-close:hover,.biit-chat-close:focus{background:rgba(255,255,255,.32)}

/* Chat: auf dem Handy Vollbild, Eingabezeile bleibt sichtbar */
@media (max-width:640px){
  .chat-window-wrapper .chat-window{position:fixed!important;inset:0!important;width:100%!important;height:100%!important;max-width:100%!important;max-height:100%!important;margin:0!important;border:0!important;border-radius:0!important}
  .chat-layout .chat-footer{position:sticky!important;bottom:0!important;padding-bottom:calc(.5rem + env(safe-area-inset-bottom,0px))!important}
  .chat-window-wrapper.biit-open .chat-window-toggle{display:none!important}
  .chat-window-wrapper.biit-open .biit-chat-close{display:flex}
}