:root{--paper:#f4f4f4;--ink:#151515;--muted:#5c5c5c;--line:#d1d1d1;--accent:#861f3e;--rust:#781d36;--panel:#e7e7e7;--white:#ffffff;--green:#686868}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--rust)}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--rust);outline-offset:5px}::selection{background:#ead1d9;color:#151515}.shell{width:min(1180px,calc(100% - 48px));margin-inline:auto}.skip{position:fixed;left:20px;top:-100px;padding:12px;background:var(--ink);color:white;z-index:100}.skip:focus{top:10px}.topbar{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:20}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:86px}.brand{font-size:24px;font-weight:900;letter-spacing:-1.3px;text-decoration:none;white-space:nowrap}.brand small{display:block;font:9px/1.1 ui-monospace,monospace;letter-spacing:2.4px;margin-top:3px}.navlinks{display:flex;gap:28px;align-items:center;font-size:14px;font-weight:650}.navlinks a{text-decoration:none;padding:10px 0;border-bottom:2px solid transparent}.navlinks a[aria-current=page]{border-color:var(--rust)}.kicker,.eyebrow{font:11px/1.6 ui-monospace,SFMono-Regular,monospace;text-transform:uppercase;letter-spacing:2px;color:var(--rust);font-weight:700}.eyebrow{display:flex;align-items:center;gap:12px}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.1}h1{font-size:clamp(44px,6vw,76px);font-weight:900;letter-spacing:-.055em;margin:20px 0 26px;text-wrap:balance}h2{font-size:clamp(28px,3.5vw,42px);letter-spacing:-.045em;font-weight:850}h3{font-size:23px;letter-spacing:-.025em}p{margin-bottom:1.3em}.lead{font-size:20px;line-height:1.6;color:var(--muted);max-width:720px}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:48px;border:1px solid var(--ink);padding:12px 20px;text-decoration:none;border-radius:4px;font-size:14px;font-weight:700;background:transparent;cursor:pointer}.btn.primary{background:var(--ink);color:var(--paper)}.btn.primary:hover{background:var(--rust);border-color:var(--rust)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.hero{display:grid;grid-template-columns:1.13fr 1fr;gap:50px;align-items:center;padding-block:66px 70px}.hero h1{font-size:clamp(48px,6.5vw,84px);line-height:1.02}.outline{color:transparent;-webkit-text-stroke:1.5px var(--ink)}.hero .lead{font-size:17px;max-width:500px}.speaker-stage{position:relative;display:grid;place-items:center;height:480px;overflow:hidden;border-radius:12px;background-color:var(--panel);background-image:linear-gradient(#15151509 1px,transparent 1px),linear-gradient(90deg,#15151509 1px,transparent 1px);background-size:30px 30px}.speaker-stage:after{content:"ZWEI WEGE. 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ui-monospace,monospace;text-transform:uppercase;letter-spacing:1px}.section{padding-block:70px}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.section-head h2{margin-bottom:0}.textlink{font-size:14px;font-weight:700;white-space:nowrap}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{position:relative;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:transform .18s,border-color .18s}.card:hover{transform:translateY(-3px);border-color:var(--muted)}.card-art{height:134px;position:relative;overflow:hidden;display:grid;place-items:center;background:var(--panel);border-bottom:1px solid var(--line)}.card-art svg{width:100%;height:100%;max-width:320px}.card:nth-child(3n+2) .card-art{background:#dedede}.card:nth-child(3n) .card-art{background:#e8dce0}.card-copy{padding:23px;display:flex;flex-direction:column;flex:1}.card h3{margin:15px 0;line-height:1.18;font-size:24px}.card h3 a{text-decoration:none}.card h3 a:after{position:absolute;content:"";inset:0}.card p{font-size:14px;color:var(--muted);line-height:1.65}.card .card-foot{margin-top:auto;font:11px/1.5 ui-monospace,monospace;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:17px}.dark{background:var(--ink);color:var(--paper)}.dark .kicker{color:#e8afc0}.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}.dark p{color:#cccccc}.dark a:hover{color:#e8afc0}.dark .btn{border-color:#bbbbbb;color:var(--paper)}.dark h2{font-size:clamp(36px,4vw,54px)}.manifest{list-style:none;padding:0;margin:0}.manifest li{border-top:1px solid #ffffff30;padding:20px 0;font-size:18px;font-weight:650}.manifest span{font:11px ui-monospace,monospace;color:#aaaaaa;margin-right:22px}.page-head{padding:45px 0 44px}.breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:32px}.page-head .meta{font:11px/1.7 ui-monospace,monospace;color:var(--muted);display:flex;gap:22px;flex-wrap:wrap}.article-head{max-width:920px}.article-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:58px;padding-bottom:80px;align-items:start}.toc{position:sticky;top:115px;font-size:12px;border-top:2px solid var(--ink);padding-top:18px}.toc summary{font:11px ui-monospace,monospace;letter-spacing:1px;font-weight:700;cursor:pointer}.toc ol{padding-left:19px;margin-top:16px}.toc li{margin:12px 0;padding-left:3px}.toc a{color:var(--muted);text-decoration:none}.toc a:hover{color:var(--rust);text-decoration:underline}.article-body{max-width:780px;min-width:0;font-size:18px;line-height:1.8}.article-body>p:first-child{font-size:21px;color:#444444}.article-body h2{font-size:31px;line-height:1.2;margin:50px 0 20px;scroll-margin-top:112px}.article-body a,.prose a{color:var(--rust)}a[rel~=external]:after{content:" ↗";font-size:.75em}.article-body strong{font-weight:750}.article-body 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.value{white-space:nowrap;color:var(--rust);font-variant-numeric:tabular-nums}input[type=range]{display:block;width:100%;margin:15px 0 4px;accent-color:var(--rust);cursor:pointer;min-height:26px}.result{display:block;font-weight:800;font-size:clamp(27px,4vw,43px);line-height:1.2;letter-spacing:-.04em;margin:20px 0 8px}.result small{font-size:14px;font-weight:500;letter-spacing:0}.lab .model{font-size:12px;color:var(--muted);padding-top:15px;border-top:1px solid var(--line);margin-bottom:0}.formula{font:12px/1.7 ui-monospace,monospace;background:var(--panel);padding:12px;overflow-wrap:anywhere}.chart{width:100%;display:block;margin-block:20px;height:auto}.chart text,.figure text{font-family:system-ui,sans-serif}.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:12px}.legend span:before{content:"";display:inline-block;width:15px;height:3px;background:var(--rust);vertical-align:middle;margin-right:5px}.legend span:nth-child(2):before{background:var(--green)}.legend span:nth-child(3):before{background:var(--ink)}table{border-collapse:collapse;width:100%;font-size:14px;margin:20px 0}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:left}th{font-size:12px}.references{padding:24px;background:var(--panel);font-size:14px;margin-top:40px}.references h2{margin:0 0 15px;font-size:22px}.references ul{padding-left:20px}.related{padding-top:50px;border-top:1px solid var(--line)}.related .cards{grid-template-columns:repeat(2,1fr)}.prose{max-width:780px;padding-bottom:70px}.prose h2{font-size:29px;margin:36px 0 20px}.prose li{margin-bottom:10px}.callout{border-left:4px solid var(--accent);padding:18px 24px;background:var(--panel);margin:28px 0}.glossary-search{max-width:670px;margin-bottom:30px}.glossary-search label{display:block;font-size:14px;font-weight:650;margin-bottom:10px}input[type=search]{border:1px solid var(--muted);border-radius:4px;background:var(--white);color:var(--ink);padding:15px;width:100%;min-height:50px}.glossary-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;padding-bottom:70px;margin-top:30px}.term{border-top:1px solid var(--line);padding:24px 0}.term dt{font-size:23px;font-weight:800;letter-spacing:-.03em}.term dd{margin:10px 0 0;font-size:15px;color:var(--muted)}.term a{display:inline-block;margin-top:8px;font-size:12px;color:var(--rust)}[hidden]{display:none!important}.footer{padding:44px 0 30px;border-top:1px solid var(--line)}.footer-row{display:flex;justify-content:space-between;gap:30px}.footer-brand{font-size:40px;letter-spacing:-2.5px;font-weight:900;line-height:1}.footer-links{display:flex;gap:20px;flex-wrap:wrap;font-size:12px}.footer-note{font-size:11px;color:var(--muted);margin:28px 0 0}.small{font-size:13px}.path-list{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;padding:0;list-style:none}.path-list li{border-top:1px solid var(--line);padding:18px 0}.path-list a{font-weight:700}.notice{font-size:13px;color:var(--muted);margin-bottom:28px}.empty{padding:30px;border:1px solid var(--line)}
@media(max-width:950px){.hero{gap:25px}.hero h1{font-size:64px}.speaker-stage{height:450px}.cards{grid-template-columns:repeat(2,1fr)}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}.navlinks{gap:18px}.split{gap:40px}.diagram-grid{grid-template-columns:1fr}.diagram-grid>div{display:grid;grid-template-columns:130px 1fr;column-gap:20px}.diagram-grid h3{grid-column:2;margin:8px 0}.diagram-grid svg{grid-row:1/3}.diagram-grid p{grid-column:2;margin:0}}
@media(max-width:700px){html{scroll-padding-top:20px}.shell{width:calc(100% - 36px)}.topbar{position:relative}.nav{min-height:110px;gap:8px;padding-block:17px;flex-direction:column;align-items:flex-start}.brand small{display:inline;margin-left:13px;font-size:8px}.navlinks{justify-content:space-between;width:100%;gap:10px;font-size:12px}.navlinks a{padding:7px 0}.hero{grid-template-columns:1fr;padding-block:36px 40px;gap:30px}.hero h1{font-size:clamp(48px,12vw,76px)}.speaker-stage{height:340px}.speaker{width:137px;height:251px}.tweeter{width:49px;height:49px}.woofer{width:104px;height:104px}.band{font-size:9px;line-height:1.7;flex-wrap:wrap;gap:10px}.section{padding-block:45px}.section-head{display:block}.section-head .textlink{display:inline-block;margin-top:20px}.split{grid-template-columns:1fr;gap:28px}.page-head{padding-block:26px 32px}h1{font-size:44px}.lead{font-size:18px}.article-layout{display:flex;flex-direction:column;gap:30px}.toc{position:static;width:100%;padding:18px;background:var(--panel);border-top:2px solid var(--ink)}.toc ol{columns:2;column-gap:25px}.toc li{break-inside:avoid;margin:9px 0}.article-body{font-size:17px}.article-body>p:first-child{font-size:19px}.article-body h2{font-size:28px;scroll-margin-top:20px}.lab{padding:20px}.controls{gap:16px;grid-template-columns:1fr}.glossary-list{grid-template-columns:1fr}.footer-row{flex-direction:column}.footer-links{gap:14px}.path-list{grid-template-columns:1fr}.figure{padding:15px}.related .cards{grid-template-columns:1fr}}
@media(max-width:470px){.cards{grid-template-columns:1fr}.card-art{height:120px}.card h3{font-size:26px}.toc ol{columns:1}.breadcrumbs{font-size:11px}.page-head h1{font-size:39px}.lab h3{font-size:23px}.chart text{font-size:15px}.diagram-grid>div{grid-template-columns:110px 1fr;column-gap:14px}.brand small{letter-spacing:1.4px}.figure figcaption{font-size:11px}th,td{padding:7px 5px;font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
@media print{.topbar,.footer,.toc,.related,.controls,.skip{display:none}.shell{width:100%}.article-layout{display:block}.article-body{max-width:none;font-size:11pt}.page-head h1{font-size:30pt}.lab,.figure{break-inside:avoid}.article-body h2{break-after:avoid}.dark{background:white;color:black}a{color:black!important}.page-head{padding:0}body{background:white}}

.chart-scroll,.diagram-scroll{max-width:100%;overflow-x:auto}.chart-scroll .chart{min-width:450px}.diagram-scroll>svg{min-width:500px}.scroll-hint{display:none}.chart-scroll:focus-visible,.diagram-scroll:focus-visible{outline:3px solid var(--rust);outline-offset:3px}@media(max-width:700px){.lab .scroll-hint{display:block;font-size:11px;color:var(--muted);margin-top:-8px}}

/* Grau, Weiß, Weinrot, Schwarz: Begriffserklärungen */
.term-link{color:var(--rust);text-decoration-line:underline;text-decoration-style:dotted;text-decoration-thickness:1px;text-underline-offset:.2em}
.term-link:hover,.term-link:focus-visible{text-decoration-style:solid;color:#4e1122}
.term{position:relative;scroll-margin-top:120px;min-width:0}.term:target{background:#f2e7eb;box-shadow:0 0 0 12px #f2e7eb;border-color:var(--rust)}
.term dt{overflow-wrap:anywhere}.term dd p{margin:0 0 8px}.term dd .term-link{display:inline;margin:0;font-size:inherit}.term .term-context{font-weight:650}.term:focus-visible{outline:2px solid var(--rust);outline-offset:5px}
.glossary-alphabet{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 20px}.glossary-alphabet a{display:grid;place-items:center;min-width:36px;min-height:38px;background:var(--white);border:1px solid var(--line);text-decoration:none;font-weight:700;color:var(--rust);border-radius:3px}.glossary-alphabet a:hover{border-color:var(--rust)}
.letter-target{position:absolute;top:0;scroll-margin-top:120px}.navlinks{flex-wrap:wrap}.glossary-list{padding-bottom:35px}.glossary-sources{margin-top:20px}
@media(max-width:700px){.term,.letter-target{scroll-margin-top:20px}.navlinks{justify-content:flex-start;gap:8px 18px}.brand small{white-space:normal}.term:target{box-shadow:0 0 0 8px #f2e7eb}}
@media(pointer:coarse){.glossary-alphabet a{min-width:44px;min-height:44px}}
/* Standalone tool integration: local hints work with mouse, touch and keyboard. */
.tool-page{padding-bottom:55px}.tool-page .tool-help{flex-basis:100%;grid-column:1/-1;width:100%;font:14px/1.6 system-ui,sans-serif;padding:12px;margin:8px 0;color:#151515;background:#f1e7eb;border-left:3px solid #781d36;overflow-wrap:anywhere}.tool-caption{display:flex;align-items:center;gap:3px;min-width:0}
.tool-page button.tool-info{display:inline-flex!important;align-items:center;justify-content:center;width:28px;min-width:28px;min-height:32px;padding:0!important;border:0!important;background:transparent!important;color:#5c5c5c!important;font:13px Georgia,serif!important}.tool-info span{display:block;border:1px solid #888;border-radius:50%;width:18px;height:18px;line-height:16px}.tool-page button,.tool-page select{cursor:pointer}.tool-page .cp-field,.tool-page .cp-explode{flex-wrap:wrap}.tool-page .cp-explode input{flex:1}.tool-page .tool-reading{max-width:780px;margin:38px 0 0}.tool-reading h2{font-size:28px}.tool-related{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.tool-reading .tool-related a{font-size:15px}.tools-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.tool-card{background:#fff;border:1px solid #d1d1d1;padding:24px;border-radius:8px}.tool-card h2{font-size:28px}.tool-card p{font-size:16px}.tool-page table{margin:0}.tool-page [data-tooltip]{cursor:help}.tool-page [data-tooltip][aria-expanded=true]{color:#781d36}.tools-promo{margin-top:30px}
@media(max-width:800px){.tools-grid{grid-template-columns:1fr}.nav{flex-wrap:wrap;padding-block:15px}.navlinks{gap:12px 20px}}
@media(pointer:coarse){.tool-page button.tool-info{width:44px;min-width:44px;min-height:44px}}

/* Update 04 / 09-2026 */
.lang-switch{border:1px solid var(--line)!important;border-radius:999px;padding:5px 10px!important;line-height:1!important;font-size:11px!important;letter-spacing:.08em}.project-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.project-card{background:var(--white);border:1px solid var(--line);border-radius:8px;overflow:hidden}.project-card img{display:block;width:100%;height:auto;background:var(--panel)}.project-card .card-copy{padding:24px}.status-pill{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:4px 10px;font:10px ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase}.download-list{display:grid;gap:14px}.download-item{padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--white)}.download-item h3{margin-bottom:8px}.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}.tech-grid>div{padding:18px;border:1px solid var(--line);border-radius:8px;background:var(--white)}.tech-grid strong{display:block;font-size:24px}.article-simple{max-width:860px}.article-simple h2{margin-top:2em}.article-simple img{max-width:100%;height:auto;border:1px solid var(--line);border-radius:8px}.en-note{padding:14px 18px;border-left:4px solid var(--accent);background:var(--white);margin:20px 0}.term-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.term-grid>div{background:var(--white);border:1px solid var(--line);padding:14px;border-radius:6px}@media(max-width:860px){.project-grid,.tech-grid,.term-grid{grid-template-columns:1fr}.navlinks{gap:12px;flex-wrap:wrap;justify-content:flex-end}.lang-switch{margin-left:2px}}