/* ============================================================
   engrida — article (Wissen) styles
   Inherits tokens + nav + footer + reveal from engrida.css
   Set --accent per page via body class: t-blue / t-orange / t-green
   ============================================================ */
/* einheitlich dezent beige + Reiter-Farbe oben, weich nach unten auslaufend */
body.article{
  background:
    radial-gradient(70% 44% at 50% 0%, var(--accent-soft), transparent 72%),
    var(--paper-2);
  background-repeat:no-repeat;
  background-position:top center;
  background-size:100% 820px,auto;
}
body.t-blue{--accent:#2EA8DF;--accent-d:#1F8FC4;--accent-soft:rgba(46,168,223,.12)}
body.t-orange{--accent:#F08A2A;--accent-d:#E07A18;--accent-soft:rgba(240,138,42,.12)}
body.t-green{--accent:#6FB94F;--accent-d:#4E9A31;--accent-soft:rgba(111,185,79,.14)}

/* ---------- article hero (light, beige) ---------- */
.ahero{position:relative;overflow:hidden;padding:150px 0 72px;background:transparent}
.ahero .container{position:relative;z-index:2}
.ahero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.ahero .eyebrow{display:inline-flex;align-items:center;gap:11px;font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:24px;white-space:nowrap}
.ahero .eyebrow .bars{display:inline-flex;flex-direction:column;gap:2.5px}
.ahero .eyebrow .bars i{width:16px;height:2.5px;border-radius:2px;background:var(--accent);display:block}
.ahero h1{font-family:var(--display);font-weight:700;color:var(--ink);font-size:clamp(38px,5.6vw,78px);line-height:.98;letter-spacing:-.035em;max-width:16ch}
.ahero h1 em{font-style:normal;color:var(--accent)}
.ahero .sub{margin-top:24px;max-width:560px;font-size:clamp(18px,2vw,23px);line-height:1.4;color:var(--text);font-weight:500}
.ahero .meta{margin-top:28px;display:flex;gap:10px;align-items:center;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--muted)}
.ahero .meta .pill{padding:6px 13px;border:1px solid var(--line);border-radius:100px;background:var(--paper)}
/* animated topic motif beside the heading (same motifs as the index cards) */
.ahero__art{display:flex;align-items:center;justify-content:center;color:var(--accent)}
.ahero__art svg{width:min(230px,42vw);height:auto;overflow:visible}
.ahero__art .ico [class]{transform-box:fill-box;transform-origin:center}
.ahero__art .ico-flame .ember{animation:ember 1.6s ease-out infinite}
.ahero__art .ico-flame .ember.e2{animation-delay:.6s}
.ahero__art .ico-server .pkt{animation:pkt 1.6s ease-in infinite}
.ahero__art .ico-server .pkt.p2{animation-delay:.55s}
.ahero__art .ico-server .pkt.p3{animation-delay:1.05s}
.ahero__art .ico-map .sonar{animation:sonar 2.1s ease-out infinite}
@media(prefers-reduced-motion:reduce){.ahero__art *{animation:none!important}}
@media(max-width:820px){.ahero__grid{grid-template-columns:1fr;gap:22px}.ahero__art{justify-content:flex-start;order:-1}.ahero__art svg{width:104px}}

/* back link in nav for articles */
.nav .back{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:var(--text);transition:gap .25s var(--ease),color .2s}
.nav .back:hover{gap:12px;color:var(--ink)}
.nav.scrolled .back{color:var(--text)}

/* ---------- article body ---------- */
.abody{padding:clamp(56px,8vw,96px) 0}
.col{max-width:730px;margin:0 auto;padding:0 var(--pad)}
.col-wide{max-width:980px;margin:0 auto;padding:0 var(--pad)}
.abody .lead{font-family:var(--body);font-size:clamp(20px,2.2vw,25px);line-height:1.5;color:var(--ink);font-weight:500;margin-bottom:44px}
.abody .lead strong{font-weight:700}
.abody p{font-size:18px;line-height:1.72;color:var(--text);margin-bottom:22px}
.abody p strong{color:var(--ink);font-weight:700}
.abody h2{font-family:var(--display);font-weight:700;font-size:clamp(26px,3.2vw,38px);line-height:1.1;letter-spacing:-.025em;color:var(--ink);margin:56px 0 22px;padding-top:8px}
.abody h2 em{font-style:normal;color:var(--accent)}
.abody h2 .tick{display:block;width:46px;height:4px;border-radius:3px;background:var(--accent);margin-bottom:20px}
.abody a.inline{color:var(--ink);font-weight:600;border-bottom:2px solid var(--accent);padding-bottom:1px;transition:color .2s}
.abody a.inline:hover{color:var(--accent)}

/* numbered reasons */
.reasons{list-style:none;margin:34px 0 44px;padding:0;display:flex;flex-direction:column;gap:6px}
.reasons li{display:grid;grid-template-columns:72px 1fr;gap:24px;align-items:start;padding:24px 0;border-top:1px solid var(--line)}
.reasons li:last-child{border-bottom:1px solid var(--line)}
.reasons .rn{font-family:var(--display);font-weight:700;font-size:44px;line-height:.9;letter-spacing:-.03em;color:var(--accent)}
.reasons .rt strong{display:block;font-size:19px;color:var(--ink);font-weight:700;margin-bottom:6px}
.reasons .rt p{margin:0;font-size:16.5px;line-height:1.65;color:var(--text)}

/* pull quote */
.pull{margin:50px 0;padding:40px 44px;background:var(--accent-soft);border-radius:var(--r);position:relative;overflow:hidden}
.pull::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--accent)}
.pull q{font-family:var(--display);font-weight:600;font-size:clamp(22px,2.6vw,30px);line-height:1.28;letter-spacing:-.02em;color:var(--ink);quotes:"„" "“"}
.pull q::before{content:open-quote}.pull q::after{content:close-quote}
.pull .cite{display:block;margin-top:20px;font-size:14px;font-weight:600;color:var(--muted)}

/* callout / highlight */
.callout{margin:48px 0;padding:34px 36px;border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(135deg,var(--accent-soft),rgba(244,247,251,.6))}
.callout .lab{font-weight:700;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.callout h3{font-family:var(--display);font-weight:700;font-size:23px;line-height:1.2;color:var(--ink);margin-bottom:14px;letter-spacing:-.02em}
.callout p{font-size:16.5px;line-height:1.65;color:var(--text);margin-bottom:0}
.callout p strong{color:var(--ink);font-weight:700}

/* figure */
figure{margin:50px 0}
figure .cap{font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
figure .src{font-size:14px;line-height:1.6;color:var(--muted);margin-top:18px;font-style:italic}

/* comparison bars */
.compare{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:34px 32px}
.crow{display:grid;grid-template-columns:160px 1fr;gap:20px;align-items:center;margin-bottom:20px}
.crow:last-child{margin-bottom:0}
.crow .lab{font-weight:700;font-size:15px;color:var(--ink)}
.crow .lab .sub{display:block;font-weight:500;color:var(--muted);font-size:13px;margin-top:2px}
.crow .track{position:relative;height:40px;display:flex;align-items:center;gap:14px}
.crow .bar{height:40px;border-radius:6px;width:0;display:flex;align-items:center;justify-content:flex-end;padding-right:16px;color:#fff;font-weight:700;font-size:16px;font-family:var(--display);min-width:64px}
.crow.r1 .bar{background:#9AA6B6}.crow.r2 .bar{background:#6E7C90}.crow.r3 .bar{background:var(--green)}
.crow .note{font-size:13.5px;color:var(--muted);white-space:nowrap}
@media(max-width:640px){.crow{grid-template-columns:96px 1fr;gap:12px}.crow .note{display:none}}

/* pros cards */
.pros{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:40px 0}
.pros .p{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px}
.pros .p .lab{font-weight:700;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:12px}
.pros .p h4{font-family:var(--display);font-weight:700;font-size:18px;line-height:1.2;color:var(--ink);margin-bottom:9px;letter-spacing:-.01em}
.pros .p p{font-size:15px;line-height:1.55;color:var(--text);margin:0}
@media(max-width:760px){.pros{grid-template-columns:1fr}}

/* konkret big numbers */
.konkret{margin:50px 0;padding:38px 40px;border-radius:var(--r);background:linear-gradient(135deg,var(--accent-soft),rgba(250,250,247,.6));border:1px solid var(--line);color:var(--ink);position:relative;overflow:hidden}
.konkret .lab{font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.konkret h3{font-family:var(--display);font-weight:700;font-size:26px;line-height:1.15;letter-spacing:-.02em;margin-bottom:14px;color:var(--ink)}
.konkret h3 em{font-style:normal;color:var(--accent)}
.konkret p{font-size:16px;line-height:1.65;color:var(--text);margin-bottom:0}
.konkret p strong{color:var(--ink);font-weight:600}
.konkret .nums{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:30px;padding-top:28px;border-top:1px solid var(--line)}
.konkret .nums .v{font-family:var(--display);font-weight:700;font-size:clamp(34px,4vw,52px);line-height:1;letter-spacing:-.03em;color:var(--ink);white-space:nowrap}
.konkret .nums .v em{font-style:normal;color:var(--accent)}
.konkret .nums .nl{font-size:13.5px;color:var(--muted);margin-top:10px;line-height:1.45}
@media(max-width:640px){.konkret .nums{grid-template-columns:1fr;gap:20px}}

/* timeline */
.tl{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:44px 40px}
.tl-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.tl-row::before{content:"";position:absolute;left:5%;right:5%;top:9px;height:2px;background:var(--line)}
.tl-item{position:relative;padding-top:34px}
.tl-item .dot{position:absolute;top:2px;left:0;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--muted)}
.tl-item.now .dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 6px var(--accent-soft)}
.tl-item .era{font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.tl-item.now .era{color:var(--accent)}
.tl-item h4{font-family:var(--display);font-weight:700;font-size:19px;line-height:1.12;letter-spacing:-.01em;color:var(--ink);margin-bottom:8px}
.tl-item p{font-size:14px;line-height:1.5;color:var(--text);margin:0}
@media(max-width:760px){.tl-row{grid-template-columns:1fr;gap:28px}.tl-row::before{display:none}.tl-item{padding-top:0;padding-left:30px}.tl-item .dot{top:4px;left:0}}

/* jobs */
.jobs{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:30px 0 44px}
.jobs .j{padding:22px 24px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);font-size:16px;color:var(--ink)}
.jobs .j .lab{display:block;font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:7px}
@media(max-width:640px){.jobs{grid-template-columns:1fr}}

/* flow diagram — frame hugs its content (small when compact, grows when expanded);
   background matches the page (beige) but keeps a visible border */
.flow{width:fit-content;max-width:100%;margin:0 auto;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);
  padding:36px 40px;transform-origin:center;transition:transform .5s var(--ease)}
.flow svg{width:100%;height:auto;display:block;max-width:860px;margin:0 auto}

/* interactive Wärmestrecke: compact by default; when centred in the viewport
   (or hovered) it grows, the pictograms animate, the blocks pull apart and the
   arrow labels appear. The .exp class is toggled in engrida.js. */
.wf{display:flex;justify-content:center;align-items:flex-start}
.flow.exp{transform:scale(1.02)}
.wf__step{flex:0 0 150px;display:flex;flex-direction:column;align-items:center}
.wf__card{width:100%;height:108px;border:1.5px solid var(--ink);border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;overflow:hidden}
.wf__card .pg{width:80%;height:auto}
.wf .pg [class]{transform-box:fill-box;transform-origin:center}
.wf__cap{margin-top:14px;text-align:center}
.wf__cap b{display:block;font-weight:700;font-size:14px;color:var(--ink)}
.wf__cap span{font-size:11px;color:var(--text)}
.wf__link{flex:0 0 42px;align-self:flex-start;margin-top:53px;position:relative;
  display:flex;align-items:center;transition:flex-basis .45s var(--ease)}
.flow.exp .wf__link{flex-basis:66px}
.wf__arrow{position:relative;width:100%;height:2.5px;background:var(--orange);border-radius:2px}
.wf__arrow::after{content:"";position:absolute;right:-1px;top:50%;transform:translateY(-50%);
  border-left:7px solid var(--orange);border-top:5px solid transparent;border-bottom:5px solid transparent}
.wf__lbl{position:absolute;bottom:calc(100% + 7px);left:50%;transform:translateX(-50%);
  font-size:11px;font-weight:700;letter-spacing:.02em;color:var(--orange);white-space:nowrap;
  opacity:0;transition:opacity .3s}
.flow.exp .wf__lbl{opacity:1;transition-delay:.28s}
/* pictogram animations (hover only) */
.flow.exp .pg-server .sd{animation:led 1.4s ease-in-out infinite}
.flow.exp .pg-server .sd:nth-of-type(3){animation-delay:.4s}
.flow.exp .pg-server .sd:nth-of-type(5){animation-delay:.8s}
.flow.exp .pg-server .sd:nth-of-type(7){animation-delay:1.1s}
.flow.exp .pg-wave path{animation:waveflow 1.8s ease-in-out infinite}
.flow.exp .pg-wave path:nth-of-type(2){animation-delay:.15s}
.flow.exp .pg-wave path:nth-of-type(3){animation-delay:.3s}
.flow.exp .pg-wave path:nth-of-type(4){animation-delay:.45s}
.flow.exp .pg-pump .pa{animation:pumpup 1.3s ease-in-out infinite}
.flow.exp .pg-house .ant{animation:antwig 1.6s ease-in-out infinite}
@keyframes waveflow{0%,100%{transform:translateX(0)}50%{transform:translateX(7px)}}
@keyframes pumpup{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes antwig{0%,100%{opacity:.4}50%{opacity:1}}
@media(max-width:980px){
  .flow{width:auto}
  .wf{flex-wrap:wrap;gap:16px 18px}
  .flow.exp{transform:none}
  .wf__step{flex:1 0 40%}
  .wf__link{display:none}
}
@media(prefers-reduced-motion:reduce){
  .wf,.wf__link{transition:none}
  .flow.exp{transform:none}
  .flow.exp .wf__link{flex-basis:42px}
  .flow.exp .pg-server .sd,.flow.exp .pg-wave path,.flow.exp .pg-pump .pa,.flow.exp .pg-house .ant{animation:none}
  .flow.exp .wf__lbl{opacity:1}
}

/* article foot */
.afoot{max-width:730px;margin:64px auto 0;padding:30px var(--pad) 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-weight:600;font-size:13px;color:var(--muted)}
.afoot a{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:700;transition:gap .25s var(--ease)}
.afoot a:hover{gap:12px}

/* next-reads */
.nextreads{max-width:980px;margin:60px auto 0;padding:0 var(--pad)}
.nextreads h3{font-family:var(--display);font-weight:700;font-size:22px;color:var(--ink);margin-bottom:22px;letter-spacing:-.02em}
.nr-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.nr{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:24px 26px;border:1px solid var(--line);border-radius:var(--r);background:var(--paper);transition:transform .4s var(--ease),box-shadow .4s,border-color .3s}
.nr:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#D4DBE6}
.nr .nm{font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.nr h4{font-family:var(--display);font-weight:700;font-size:18px;line-height:1.15;color:var(--ink);letter-spacing:-.01em;margin:0}
.nr .go{flex-shrink:0;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink);font-size:17px;transition:background .3s,color .3s,border-color .3s}
.nr:hover .go{background:var(--accent);border-color:var(--accent);color:#fff}
@media(max-width:640px){.nr-grid{grid-template-columns:1fr}}