/* Layout: Identity System V2. Hard grid, hairlines, 4px corners, no shadows, no gradients on UI.
   The playfulness lives only in motion: springs, inertia, surface tension, one drop per view. */
:root{
  --measure:42rem;
  --primary:#C03826; --ember:#CF3D05; --ink:#191817; --paper:#F4F4F2; --white:#FFFFFF;
  --clay-1:#5C170E; --clay-5:#E86A3C; --clay-6:#F6C3AE;
  --surface:#FBFBFA; --surface-2:#F4F4F2; --card-bg:#FFFFFF; --hair:#E3E3E0; --text:#191817;
  --accent:#C03826; --accent-text:#C03826; --on-accent:#FFFFFF; --muted:#6E6C68;
  --band-bg:#191817; --band-text:#F4F4F2; --band-hair:rgba(244,244,242,.14);
  --echo:rgba(192,56,38,.26); --scrim:rgba(25,24,23,.38);
  --font-display:'Space Grotesk', 'Arial Narrow', Arial, sans-serif;
  --font-body:'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --radius:4px; --radius-sm:2px; --max:66.25rem;
  --slow:1;
  /* spring tokens: overwritten by JS with computed linear() curves */
  --ease-tropfen:cubic-bezier(.34,1.4,.5,1); --dur-tropfen:420ms;
  --ease-fluss:cubic-bezier(.25,1.1,.4,1);  --dur-fluss:560ms;
  --ease-ruhe:cubic-bezier(.2,.8,.2,1);      --dur-ruhe:700ms;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --surface:#191817; --surface-2:#201F1D; --card-bg:#1F1E1C; --hair:#363431; --text:#F4F4F2;
  --accent-text:#E86A3C; --muted:#8C8A86; --band-bg:#24221F; --band-text:#F4F4F2; --band-hair:rgba(244,244,242,.12);
  --echo:rgba(244,244,242,.14); --scrim:rgba(0,0,0,.55); color-scheme:dark}}
:root[data-theme="dark"]{
  --surface:#191817; --surface-2:#201F1D; --card-bg:#1F1E1C; --hair:#363431; --text:#F4F4F2;
  --accent-text:#E86A3C; --muted:#8C8A86; --band-bg:#24221F; --band-text:#F4F4F2; --band-hair:rgba(244,244,242,.12);
  --echo:rgba(244,244,242,.14); --scrim:rgba(0,0,0,.55); color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:auto;-webkit-text-size-adjust:100%;text-size-adjust:100%}
@media(min-width:1800px){html{font-size:106.25%}}
@media(min-width:2400px){html{font-size:112.5%}}
h1,h2,h3,h4{overflow-wrap:break-word;hyphens:auto;-webkit-hyphens:auto}
.prose{hyphens:auto;-webkit-hyphens:auto}
body{margin:0;background:var(--surface);color:var(--text);font-family:var(--font-body);font-size:1rem;line-height:1.6;
  font-feature-settings:'ss01';-webkit-font-smoothing:antialiased;overflow-x:hidden}
button,input{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media(min-width:900px){.wrap{padding-left:max(32px,env(safe-area-inset-left,0px));padding-right:max(32px,env(safe-area-inset-right,0px))}}
h1,h2,h3,.disp{font-family:var(--font-display);font-weight:700;letter-spacing:-.03em;line-height:.98;text-wrap:balance;margin:0}
.eyebrow{font-size:0.6875rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-text)}
.t{transition-duration:calc(var(--dur-fluss) * var(--slow));transition-timing-function:var(--ease-fluss)}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:var(--surface);border-bottom:1px solid transparent;
  transition:transform calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss), border-color .3s}
.nav.scrolled{border-bottom-color:var(--hair)}
.nav.away{transform:translateY(-102%)}
.nav .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1rem;min-height:64px;padding-block:.5rem}
.brand{display:flex;align-items:baseline;gap:.55rem;text-decoration:none}
.brand .logo{display:block;height:1.6rem;width:auto;color:var(--accent);transform:translateY(.12rem)}
.wordmark{font-family:var(--font-display);font-weight:700;font-size:1.625rem;letter-spacing:-.04em;color:var(--accent);line-height:1}
.brand small{font-size:0.6875rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500}
.nav .sp{flex:1}
.seg{position:relative;display:flex;border:1px solid var(--hair);border-radius:var(--radius);padding:2px}
.seg a{position:relative;z-index:1;background:none;border:0;padding:.3rem .6rem;font-size:0.75rem;font-weight:700;letter-spacing:.08em;cursor:pointer;border-radius:var(--radius-sm);
  transition:color calc(220ms * var(--slow)) ease calc(90ms * var(--slow))}
.seg a.on{color:var(--on-accent)}
.seg .mark{position:absolute;top:2px;bottom:2px;left:2px;width:10px;background:var(--accent);border-radius:var(--radius-sm)}
.iconbtn{display:inline-flex;align-items:center;gap:.5rem;height:36px;padding:0 .75rem;border:1px solid var(--hair);background:var(--card-bg);border-radius:var(--radius);cursor:pointer;font-size:0.8125rem;font-weight:500;
  transition:border-color .25s}
.iconbtn:hover{border-color:var(--accent)}
.tdot{width:12px;height:12px;border-radius:50%;border:1.5px solid var(--text);background:linear-gradient(90deg,var(--text) 50%,transparent 50%)}
.kbd{font-size:0.6875rem;border:1px solid var(--hair);border-radius:var(--radius-sm);padding:0 .3rem;line-height:1.5}
.cta{position:relative;display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 1.1rem;background:var(--accent);color:var(--on-accent);border:0;border-radius:var(--radius);
  font-weight:700;font-size:0.875rem;cursor:pointer;text-decoration:none;overflow:hidden;will-change:transform}
.cta.ghost{background:transparent;color:var(--text);border:1px solid var(--hair)}
.cta.ghost:hover{border-color:var(--accent)}
.cta .lbl{position:relative;z-index:1;display:inline-block;will-change:transform}
@media(max-width:700px){.nav .hide-s{display:none}.nav .lbl-s{display:none}.nav .wrap{gap:.5rem}}
@media(max-width:380px){.brand .logo{height:1.2rem}.brand{gap:.4rem}.nav .iconbtn{width:34px;padding:0;justify-content:center}}
@media(max-width:480px){.nav .lbl-xs{display:none}.nav .iconbtn{padding:0 .6rem}.seg a{padding:.3rem .45rem}.nav .wrap{column-gap:.4rem}.brand .logo{height:1.35rem}.brand small{font-size:.625rem}}
.ico{display:block;flex:none}
/* touch: comfortable targets without changing the look on desktop */
@media(pointer:coarse){.iconbtn,.cta{min-height:44px}.seg a{min-height:40px;min-width:44px}.lens button{min-height:44px}.toc li a{padding-block:.55rem}.sn-mark{width:1.6em;height:1.6em}.quiz .opts2 button{min-height:48px}}
@media(hover:none){.room:hover,.iconbtn:hover,.quiz .opts2 button:hover{border-color:var(--hair)}}

/* echo click ripple */
.echo-host{position:relative;overflow:hidden}
.ripple{position:absolute;border-radius:50%;border:1.5px solid var(--accent);pointer-events:none;transform:translate(-50%,-50%) scale(0);opacity:.55}
.cta .ripple{border-color:rgba(255,255,255,.7)}

/* hero */
.hero{position:relative;padding-block:4.25rem 3.75rem;overflow:hidden}
.stage{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;display:block}
.hero .hero-grid{z-index:1}
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
html.vt-soft::view-transition-new(root){-webkit-mask-image:radial-gradient(circle at var(--vt-x) var(--vt-y),#000 calc(var(--vt-r) - var(--vt-f)),transparent var(--vt-r));mask-image:radial-gradient(circle at var(--vt-x) var(--vt-y),#000 calc(var(--vt-r) - var(--vt-f)),transparent var(--vt-r))}
html.vt-freeze *,html.vt-freeze *::before,html.vt-freeze *::after{transition:none!important}
html.theming,html.theming *,html.theming *::before,html.theming *::after{transition:background-color .5s ease,color .5s ease,border-color .5s ease,fill .5s ease!important}
.echo-field::before{content:'';position:absolute;left:0;top:0;bottom:0;width:min(38%,420px);
  background-image:repeating-radial-gradient(circle at 0% 50%,var(--echo) 0 1.5px,transparent 1.5px 22px);
  -webkit-mask-image:linear-gradient(90deg,#000 0%,transparent 100%);mask-image:linear-gradient(90deg,#000 0%,transparent 100%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:2.5rem;align-items:center}
.hero h1{font-size:clamp(2.5rem,6.4vw,4.875rem);letter-spacing:-.045em;margin-top:.9rem}
.hero p.lead{font-size:1.125rem;line-height:1.65;max-width:46ch;margin:1.25rem 0 0}
.hero-side{display:grid;gap:12px}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}}

/* cards */
.card{position:relative;display:flex;flex-direction:column;gap:.6rem;text-align:left;background:var(--card-bg);border:1px solid var(--hair);border-radius:var(--radius);
  padding:1.15rem 1.15rem 1rem;cursor:pointer;width:100%;min-width:0;transition:border-color .3s}
.card:hover{border-color:var(--accent)}
.card .meta{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;font-size:0.75rem;font-weight:500}
.card .meta .fmt{border:1px solid var(--hair);border-radius:var(--radius-sm);padding:0 .35rem}
.card h3{font-size:1.3125rem;line-height:1.08}
.card p{margin:0;font-size:0.9062rem;line-height:1.6}
.card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:.5rem;font-size:0.75rem;padding-top:.35rem;font-variant-numeric:tabular-nums}
.card .len{display:inline-flex;align-items:center;gap:.45rem;font-weight:500}
.card .sig{width:22px;height:22px;flex:none}
.card .sig path{fill:var(--accent);transition:transform calc(var(--dur-tropfen) * var(--slow)) var(--ease-tropfen)}
.card:hover .sig path:nth-child(2){transform:translateX(-3px)}
.card:hover .sig path:nth-child(3){transform:translateX(-6px)}
.card.feature{background:var(--accent);border-color:var(--accent);color:var(--on-accent);padding:1.4rem}
.card.feature .eyebrow,.card.feature .meta{color:var(--on-accent)}
.card.feature .meta .fmt{border-color:rgba(255,255,255,.45)}
.card.feature h3{font-size:clamp(1.5rem,2.6vw,2rem)}
.card.feature .sig path{fill:var(--on-accent)}
.card.feature:hover{border-color:var(--ink)}
.card.today{background:var(--band-bg);border-color:var(--band-bg);color:var(--band-text)}
.card.today .eyebrow{color:var(--band-text)}
.card.today .sig path{fill:var(--band-text)}
.live{display:inline-flex;align-items:center;gap:.45rem}
.live i{position:relative;width:7px;height:7px;border-radius:50%;background:var(--ember)}
.live i::after{content:"";position:absolute;inset:0;border-radius:50%;border:1.5px solid var(--ember);animation:ping 2.2s ease-out infinite}
@keyframes ping{from{transform:scale(1);opacity:.8}to{transform:scale(2.8);opacity:0}}

/* lens bar with liquid marker */
.section{padding-block:2.25rem}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1rem}
.sec-head h2{font-size:clamp(1.625rem,3vw,2.125rem);letter-spacing:-.04em}
.lens{position:relative;display:flex;gap:4px;flex-wrap:wrap;padding:4px;border:1px solid var(--hair);border-radius:var(--radius);background:var(--card-bg);width:max-content;max-width:100%}
.lens button{position:relative;z-index:2;height:36px;padding:0 .9rem;border:0;background:none;border-radius:var(--radius-sm);cursor:pointer;font-size:0.875rem;font-weight:500;white-space:nowrap;
  transition:color calc(200ms * var(--slow)) ease calc(110ms * var(--slow))}
.lens button.on{color:var(--on-accent)}
.lens .pill,.lens .goo i{position:absolute;top:0;left:0;height:36px;background:var(--accent);border-radius:var(--radius-sm)}
.lens .pill{z-index:1}
.lens .goo{position:absolute;inset:0;z-index:1;filter:url(#goo);pointer-events:none;opacity:0}
.lens.moving .goo{opacity:1}
.lens.moving .pill{opacity:0}
.lens-note{font-size:0.875rem;margin:.9rem 0 0;max-width:70ch}

/* rooms */
.rooms{position:relative;isolation:isolate;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.rooms .rb{position:absolute;left:0;top:0;width:0;height:0;z-index:1;background:var(--accent);border-radius:var(--radius);pointer-events:none;opacity:0;will-change:transform,width,height}
.room > :not(.ripple){position:relative;z-index:2}
.room > .ripple{z-index:2}
.room.on.leaving{color:inherit}
.room.on.leaving svg path{fill:var(--accent)}
.room{position:relative;display:flex;gap:.75rem;align-items:center;text-align:left;padding:.8rem .9rem;border:1px solid var(--hair);border-radius:var(--radius);background:var(--card-bg);cursor:pointer;min-width:0;
  transition:border-color .3s, background-color calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss), color .3s}
.room:hover{border-color:var(--accent)}
.room.on{border-color:var(--accent);color:var(--on-accent);transition:border-color .3s,color .25s ease .08s}
.room.on svg path{fill:var(--on-accent)}
.room svg{width:26px;height:26px;flex:none}
.room svg path{fill:var(--accent);transition:fill .3s}
.room b{display:block;font-size:0.875rem;line-height:1.25}
.room span{display:block;font-size:0.75rem;line-height:1.35}
@media(max-width:900px){.rooms{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* stream */
.stream{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:stretch}
@media(max-width:900px){.stream{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.stream{grid-template-columns:1fr}}
.stream .card{will-change:transform}
.empty{grid-column:1/-1;border:1px dashed var(--hair);border-radius:var(--radius);padding:1.5rem;font-size:0.9375rem}

/* band */
.band{background:var(--band-bg);color:var(--band-text);position:relative;overflow:hidden}
.band .wrap{position:relative;padding-block:3.25rem;display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center}
.band::after{content:'';position:absolute;right:-180px;top:-180px;width:520px;height:520px;border-radius:50%;background:radial-gradient(closest-side,rgba(192,56,38,.38),rgba(192,56,38,0));pointer-events:none}
.band h2{font-size:clamp(1.75rem,3.4vw,2.5rem);letter-spacing:-.04em}
.band p{margin:.9rem 0 0;max-width:46ch}
.band .eyebrow{color:var(--band-text)}
.nl{position:relative;z-index:1;display:flex;gap:8px;flex-wrap:wrap}
.nl input{flex:1 1 220px;min-width:0;height:44px;padding:0 .9rem;background:transparent;border:1px solid var(--band-hair);border-radius:var(--radius);color:var(--band-text)}
.nl input::placeholder{color:var(--band-text);opacity:.7}
.nl input:focus{border-color:var(--clay-5);outline:none}
.nl .cta{height:44px}
.nl-msg{position:relative;z-index:1;font-size:0.8125rem;margin-top:.6rem;min-height:1.3em}
@media(max-width:800px){.band .wrap{grid-template-columns:1fr}}

footer.foot{border-top:1px solid var(--hair)}
footer.foot .wrap{padding-block:1.5rem;display:flex;gap:1rem;justify-content:space-between;flex-wrap:wrap;font-size:0.8125rem}

/* article */
.art-head{background:var(--accent);color:var(--on-accent);position:relative;overflow:hidden}
.art-head .wrap{padding-block:2.25rem 2.75rem;position:relative}
.art-head .eyebrow{color:var(--on-accent)}
.art-head h1{font-size:clamp(2.125rem,5vw,3.75rem);letter-spacing:-.045em;max-width:20ch;margin-top:.9rem}
.art-head .by{display:flex;gap:1rem;flex-wrap:wrap;font-size:0.8125rem;margin-top:1.25rem;font-variant-numeric:tabular-nums}
.back{display:inline-flex;align-items:center;gap:.5rem;background:none;border:1px solid rgba(255,255,255,.45);color:var(--on-accent);border-radius:var(--radius);height:34px;padding:0 .75rem;cursor:pointer;font-size:0.8125rem;font-weight:500;transition:border-color .25s}
.back:hover{border-color:#fff}
.progress{position:sticky;top:calc(var(--nav-h,64px) + env(safe-area-inset-top,0px));z-index:30;background:var(--surface);border-bottom:1px solid var(--hair);transition:top calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss)}
body.nav-away .progress{top:env(safe-area-inset-top,0px)}
.progress .wrap{display:flex;align-items:center;gap:1rem;height:40px}
.bars{display:flex;align-items:flex-end;gap:3px;height:18px;width:132px;flex:none}
.bars span{flex:1;height:100%;border-radius:var(--radius-sm);background:rgba(192,56,38,.25);transform-origin:bottom;transform:scaleY(.3);
  transition:transform calc(var(--dur-tropfen) * var(--slow)) var(--ease-tropfen), background-color .3s}
.bars span.f{transform:scaleY(1)}
.bars span.now{background:var(--ember)}
.progress .cur{font-size:0.7812rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}

.art-grid,.flow-grid{display:grid;grid-template-columns:200px minmax(0,var(--measure));gap:3rem}
.art-grid{padding-block:2.5rem 1rem}
.flow-grid > .flowon{grid-column:2}
@media(max-width:900px){.art-grid,.flow-grid{grid-template-columns:minmax(0,1fr)}.toc{display:none}.flow-grid > .flowon{grid-column:1}}
.toc{position:sticky;top:calc(var(--nav-h,64px) + 68px);align-self:start;max-height:calc(100vh - var(--nav-h,64px) - 88px);overflow:auto;overscroll-behavior:contain}
.toc .eyebrow{display:block;margin-bottom:.75rem}
.toc ol{list-style:none;margin:0;padding:0 0 0 14px;position:relative;border-left:1px solid var(--hair)}
.toc li a{display:block;font-size:0.8438rem;line-height:1.4;padding:.35rem 0;text-decoration:none;transition:color .25s}
.toc li a.on{color:var(--accent-text);font-weight:500}
.toc .tm{position:absolute;z-index:1;left:-1px;top:0;width:3px;height:20px;background:var(--accent);border-radius:var(--radius-sm)}

.prose{font-size:1.125rem;line-height:1.75;width:100%;max-width:var(--measure);min-width:0}
.prose > *{max-width:100%}
.prose p{margin:0 0 1.15rem}
.prose h2{font-size:clamp(1.5rem,2.6vw,1.875rem);letter-spacing:-.035em;line-height:1.08;margin:2.4rem 0 .9rem;scroll-margin-top:calc(var(--nav-h,64px) + 66px)}
.tldr{border:1px solid var(--hair);border-left:3px solid var(--accent);border-radius:var(--radius);padding:1rem 1.15rem;background:var(--card-bg);margin:0 0 2rem}
.tldr .eyebrow{display:block;margin-bottom:.35rem}
.tldr p{margin:0;font-size:1.0625rem;line-height:1.65}
.pull{margin:2rem 0;padding:1.25rem 0;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.pull p{font-family:var(--font-display);font-weight:700;font-size:clamp(1.5rem,2.8vw,2rem);letter-spacing:-.035em;line-height:1.1;margin:0}
.pull span{display:block;font-size:0.75rem;letter-spacing:.14em;text-transform:uppercase;margin-top:.75rem}
.note{border:1px dashed var(--hair);border-radius:var(--radius);padding:1rem 1.15rem;font-size:0.9688rem;line-height:1.6;margin:1.5rem 0}

/* explorable: conversation */
.convo{border:1px solid var(--hair);border-radius:var(--radius);background:var(--card-bg);margin:1.75rem 0 2rem;font-size:0.9375rem;line-height:1.55;overflow:hidden}
.convo-top{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1rem;border-bottom:1px solid var(--hair);flex-wrap:wrap}
.convo-body{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:0}
.lines{padding:1rem;display:flex;flex-direction:column;gap:.6rem;min-height:250px}
.line{display:grid;grid-template-columns:78px minmax(0,1fr);gap:.5rem;transform:translateY(8px);opacity:.18;
  transition:opacity calc(var(--dur-ruhe) * var(--slow)) var(--ease-ruhe), transform calc(var(--dur-tropfen) * var(--slow)) var(--ease-tropfen)}
.line.in{opacity:1;transform:none}
.line b{font-size:0.6875rem;letter-spacing:.12em;text-transform:uppercase;padding-top:.2rem}
.line.key span{text-decoration:underline;text-decoration-color:var(--ember);text-decoration-thickness:2px;text-underline-offset:4px}
.meter{border-left:1px solid var(--hair);padding:1rem;display:flex;flex-direction:column;gap:.75rem}
.meter .bars{width:100%;height:56px}
.meter .bars span{transform:scaleY(.12)}
.hint{border:1px solid var(--ember);border-radius:var(--radius);padding:.6rem .7rem;font-size:0.8125rem;line-height:1.45;transform:translateY(10px) scale(.96);opacity:0;
  transition:opacity calc(300ms * var(--slow)) ease, transform calc(var(--dur-tropfen) * var(--slow)) var(--ease-tropfen)}
.hint.in{opacity:1;transform:none}
.hint b{display:block;color:var(--ember);font-size:0.6562rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:.2rem}
@media(max-width:620px){.convo-body{grid-template-columns:1fr}.meter{border-left:0;border-top:1px solid var(--hair)}.meter .bars{height:36px}
  .meter .hint{max-height:0;padding-block:0;border-width:0;overflow:hidden;transition:max-height calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss),padding calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss),opacity .3s,transform calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss)}
  .meter .hint.in{max-height:12rem;padding-block:.6rem;border-width:1px}}

/* flow-on (Weiterfluss) */
.flowon{margin:3rem 0 0;border-top:1px solid var(--hair);padding-top:1.5rem;padding-bottom:48vh}
.flowon .vessel{position:relative;border:1px solid var(--hair);border-radius:var(--radius);overflow:hidden;background:var(--card-bg);cursor:pointer;text-align:left;width:100%;padding:0}
.flowon .liquid{position:absolute;left:-5%;right:-5%;bottom:0;height:0%;background:var(--accent)}
.flowon .liquid svg{position:absolute;left:0;bottom:100%;width:200%;height:14px;display:block;animation:wave calc(3.2s * var(--slow)) linear infinite}
.flowon .liquid svg path{fill:var(--accent)}
@keyframes wave{to{transform:translateX(-50%)}}
.flowon .inner{position:relative;z-index:1;padding:1.5rem;display:grid;gap:.6rem;mix-blend-mode:normal}
.flowon .inner h3{font-size:clamp(1.5rem,3vw,2.125rem)}
.flowon .inner p{margin:0;max-width:56ch}
.flowon.full .inner{color:var(--on-accent)}
.flowon.full .inner .eyebrow{color:var(--on-accent)}
.flowon .hintline{font-size:0.8125rem;margin-top:.75rem}

/* share popover */
.share{position:absolute;z-index:60;display:flex;gap:2px;border:1px solid var(--hair);background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:3px;transform-origin:50% 100%;
  transform:translate(-50%,-100%) translateY(-10px) scale(.8);opacity:0;pointer-events:none;
  transition:transform calc(var(--dur-tropfen) * var(--slow)) var(--ease-tropfen), opacity .18s}
.share.in{opacity:1;transform:translate(-50%,-100%) translateY(-10px) scale(1);pointer-events:auto}
.share button{background:none;border:0;color:inherit;font-size:0.7812rem;font-weight:500;padding:.4rem .6rem;border-radius:var(--radius-sm);cursor:pointer}
.share button:hover{background:#3A3937}

/* search palette */
.scrim{position:fixed;inset:0;z-index:80;background:var(--scrim);opacity:0;pointer-events:none;transition:opacity calc(240ms * var(--slow)) ease}
.scrim.in{opacity:1;pointer-events:auto}
.palette{position:fixed;z-index:81;left:50%;top:calc(12vh + env(safe-area-inset-top,0px));width:min(640px,calc(100vw - 32px));background:var(--card-bg);border:1px solid var(--hair);border-radius:var(--radius);
  transform:translateX(-50%) translateY(-14px) scale(.97);opacity:0;pointer-events:none;
  transition:transform calc(var(--dur-tropfen) * var(--slow)) var(--ease-tropfen), opacity calc(200ms * var(--slow)) ease}
.palette.in{transform:translateX(-50%);opacity:1;pointer-events:auto}
.palette input{width:100%;height:56px;border:0;border-bottom:1px solid var(--hair);background:transparent;padding:0 1.1rem;font-size:1.0625rem;outline:none}
.palette ul{list-style:none;margin:0;padding:6px;max-height:50vh;overflow:auto}
.palette li button{width:100%;text-align:left;background:none;border:0;border-left:3px solid transparent;border-radius:var(--radius-sm);padding:.6rem .7rem;cursor:pointer;display:grid;gap:.1rem}
.palette li button b{font-weight:500;font-size:0.9375rem;line-height:1.35}
.palette li button span{font-size:0.75rem}
.palette li button.sel{background:var(--surface-2);border-left-color:var(--accent)}
.palette .pf{display:flex;justify-content:space-between;gap:1rem;font-size:0.75rem;padding:.55rem 1.1rem;border-top:1px solid var(--hair)}

/* ---------- reading delight: highlight that draws while you read, terms that explain themselves, side notes ---------- */
:root{--hl:#F6C3AE}
:root:not([data-theme="light"]){}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--hl:rgba(232,106,60,.38)}}
:root[data-theme="dark"]{--hl:rgba(232,106,60,.38)}
.prose mark.hl{color:inherit;background-color:transparent;background-image:linear-gradient(var(--hl),var(--hl));background-repeat:no-repeat;background-position:0 88%;background-size:0% .42em;
  padding:0 .08em;transition:background-size calc(1400ms * var(--slow)) var(--ease-ruhe)}
.prose mark.hl.on{background-size:100% .42em}
.term{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:help;text-decoration:underline dotted var(--accent);text-decoration-thickness:2px;text-underline-offset:.22em}
.term:hover,.term[aria-expanded="true"]{color:var(--accent-text)}
.tip{position:absolute;z-index:60;width:min(320px,calc(100vw - 32px));border:1px solid var(--hair);border-top:3px solid var(--accent);border-radius:var(--radius);background:var(--card-bg);padding:.85rem 1rem;font-size:.9375rem;line-height:1.55;
  opacity:0;transform:translateY(6px) scale(.98);transform-origin:top left;pointer-events:none;transition:opacity calc(180ms * var(--slow)) ease,transform calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss)}
.tip.on{opacity:1;transform:none;pointer-events:auto}
.tip b{display:block;font-family:var(--font-display);font-size:1rem;letter-spacing:-.02em;margin-bottom:.25rem}
.tip a{display:inline-block;margin-top:.5rem;font-size:.8125rem;font-weight:500;color:var(--accent-text)}
.sn-mark{display:inline-flex;align-items:center;justify-content:center;width:1.25em;height:1.25em;margin-left:.2em;vertical-align:.12em;border:1px solid var(--accent);border-radius:var(--radius-sm);background:none;color:var(--accent-text);
  font:700 .7em/1 var(--font-display);cursor:pointer;transition:background-color .25s,color .25s}
.sn-mark[aria-expanded="true"]{background:var(--accent);color:var(--on-accent)}
.sn{display:grid;grid-template-rows:0fr;transition:grid-template-rows calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss),margin calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss);margin:-.6rem 0 0}
.sn > div{overflow:hidden;min-height:0}
.sn p{margin:0 !important;font-size:.9375rem;line-height:1.6;color:var(--muted);border-left:2px solid var(--accent);padding:.15rem 0 .15rem .85rem}
.sn.on{grid-template-rows:1fr;margin:.1rem 0 1.15rem}

/* ---------- article building blocks (images, video, interactive) ---------- */
.blk{margin:1.9rem 0 2.1rem}
.prose .blk p{margin:0}
.media{margin:0}
.media .frame{position:relative;border:1px solid var(--hair);border-radius:var(--radius);overflow:hidden;background:var(--surface-2);aspect-ratio:16/9}
.media .frame svg{display:block;width:100%;height:100%}
.media figcaption{font-size:0.8438rem;line-height:1.5;color:var(--muted);margin-top:.55rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.media figcaption span:last-child{font-size:0.75rem;letter-spacing:.04em}
.w-text,.w-wide{width:100%;max-width:100%}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pair .frame{aspect-ratio:4/3}
@media(max-width:600px){.pair{grid-template-columns:1fr}}
/* video: poster first, the player only loads on click */
.video .frame{background:var(--band-bg);color:var(--band-text)}
.video .play{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.8rem;background:none;border:0;color:inherit;cursor:pointer;font:inherit}
.video .play b{display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:var(--radius);background:var(--accent);transition:background-color .25s}
.video .play:hover b{background:var(--ember)}
.video .play span{font-size:0.8125rem;letter-spacing:.04em}
.video .state{position:absolute;left:0;right:0;bottom:0;display:flex;gap:4px;align-items:flex-end;justify-content:center;height:28px;padding-bottom:10px;opacity:0;transition:opacity .4s}
.video .state i{width:4px;height:100%;background:var(--accent);border-radius:var(--radius-sm);transform-origin:bottom;animation:vbar 1.4s ease-in-out infinite}
.video .state i:nth-child(odd){animation-delay:-.7s}
.video .state i:last-child{background:var(--ember)}
.video.on .state{opacity:1}
@keyframes vbar{0%,100%{transform:scaleY(.25)}50%{transform:scaleY(1)}}
/* before / after */
.ba .frame{touch-action:pan-y;cursor:ew-resize;user-select:none}
.ba .layer{position:absolute;inset:0}
.ba .after{clip-path:inset(0 0 0 var(--cut,50%))}
.ba .handle{position:absolute;top:0;bottom:0;left:var(--cut,50%);width:0;border-left:2px solid var(--accent)}
.ba .handle b{position:absolute;top:50%;left:-15px;width:28px;height:44px;margin-top:-22px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;gap:4px}
.ba .handle b i{width:2px;height:16px;background:var(--on-accent);border-radius:1px}
.ba .lbl2{position:absolute;top:10px;font-size:0.6875rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;padding:.25rem .5rem;border-radius:var(--radius-sm);background:var(--card-bg);border:1px solid var(--hair)}
.ba .lbl2.l{left:10px}.ba .lbl2.r{right:10px}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba input:focus-visible + .handle b{outline:2px solid var(--accent);outline-offset:3px}
/* metric, quiz, steps, callout, quote */
.metric{display:grid;grid-template-columns:auto 1fr;gap:1.1rem;align-items:center;border-top:1px solid var(--hair);border-bottom:1px solid var(--hair);padding:1.1rem 0}
.metric .num{font-family:var(--font-display);font-weight:700;font-size:clamp(2.5rem,5vw,3.625rem);letter-spacing:-.05em;line-height:1;color:var(--accent-text);font-variant-numeric:tabular-nums}
.metric p{font-size:1rem;line-height:1.5}
.metric small{display:block;font-size:0.7812rem;color:var(--muted);margin-top:.3rem}
.quiz{border:1px solid var(--hair);border-radius:var(--radius);background:var(--card-bg);padding:1rem 1.1rem}
.quiz h4{font-family:var(--font-display);font-size:1.1875rem;letter-spacing:-.025em;line-height:1.2;margin:.35rem 0 .8rem}
.quiz .opts2{position:relative;display:grid;gap:6px;isolation:isolate}
.quiz .opts2 button{position:relative;z-index:2;text-align:left;font:inherit;font-size:0.9375rem;line-height:1.4;padding:.6rem .8rem;border:1px solid var(--hair);border-radius:var(--radius);background:transparent;color:inherit;cursor:pointer;transition:color .25s ease .06s,border-color .3s}
.quiz .opts2 button:hover{border-color:var(--accent)}
.quiz .opts2 button.on{color:var(--on-accent);border-color:var(--accent)}
.quiz .opts2 .qb{position:absolute;z-index:1;left:0;top:0;width:100%;height:0;background:var(--accent);border-radius:var(--radius);opacity:0;pointer-events:none}
.quiz .res{display:grid;grid-template-rows:0fr;transition:grid-template-rows calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss)}
.quiz .res > div{overflow:hidden;min-height:0}
.quiz .res p{font-size:0.9688rem;line-height:1.6;padding-top:.85rem}
.quiz.done .res{grid-template-rows:1fr}
.steps{list-style:none;margin:0;padding:0;counter-reset:st;display:grid;gap:.9rem}
.steps li{counter-increment:st;display:grid;grid-template-columns:34px 1fr;gap:.85rem;align-items:start;font-size:1.0625rem;line-height:1.6}
.steps li::before{content:counter(st);display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius);background:var(--accent);color:var(--on-accent);font-family:var(--font-display);font-weight:700;font-size:0.9375rem}
.steps b{font-weight:500}
.callout{border:1px solid var(--hair);border-left:3px solid var(--accent);border-radius:var(--radius);background:var(--card-bg);padding:.95rem 1.1rem}
.callout .eyebrow{display:block;margin-bottom:.3rem}
.callout p{font-size:1rem;line-height:1.6}
.quote{margin:0;border-left:3px solid var(--accent);padding:.2rem 0 .2rem 1.1rem}
.quote p{font-family:var(--font-display);font-weight:700;font-size:clamp(1.3125rem,2.2vw,1.5625rem);letter-spacing:-.03em;line-height:1.2}
.quote footer{font-size:0.8438rem;margin-top:.6rem;color:var(--muted)}
.quote footer b{color:var(--text);font-weight:500}

.nextbar{position:fixed;z-index:45;left:50%;bottom:calc(16px + env(safe-area-inset-bottom,0px));transform:translate(-50%,calc(100% + 110px));visibility:hidden;display:flex;align-items:center;gap:.75rem;
  width:min(500px,calc(100vw - 32px));padding:.55rem .6rem .55rem .9rem;background:var(--card-bg);color:var(--text);border:1px solid var(--hair);border-radius:var(--radius);cursor:pointer;text-align:left;
  transition:transform calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss),border-color .3s,visibility 0s linear calc(var(--dur-fluss) * var(--slow))}
.nextbar.in{transform:translate(-50%,0);visibility:visible;transition:transform calc(var(--dur-fluss) * var(--slow)) var(--ease-fluss),border-color .3s,visibility 0s}
.nextbar:hover{border-color:var(--accent)}
.nextbar .nb-l{display:flex;flex-direction:column;min-width:0;flex:1}
.nextbar .nb-l small{font-size:0.6562rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text)}
.nextbar .nb-l b{font-weight:500;font-size:0.875rem;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nextbar .nb-s{display:flex;align-items:flex-end;gap:2px;height:16px}
.nextbar .nb-s i{width:3px;height:100%;background:var(--accent);opacity:.35;border-radius:var(--radius-sm);transform-origin:bottom;transform:scaleY(.4)}
.nextbar .nb-s i:nth-child(2){transform:scaleY(.7)}.nextbar .nb-s i:nth-child(3){transform:scaleY(1);opacity:1}
.nextbar .nb-a{flex:none;width:30px;height:30px;display:grid;place-items:center;background:var(--accent);color:var(--on-accent);border-radius:var(--radius-sm);font-weight:700}
.nextbar.pulse .nb-s i{animation:nbp calc(900ms * var(--slow)) ease-in-out 2}
.nextbar.pulse .nb-a{animation:nba calc(900ms * var(--slow)) ease-in-out 2}
@keyframes nbp{50%{transform:scaleY(1);opacity:1}}
@keyframes nba{50%{transform:translateY(3px)}}
@media(max-width:700px){.nextbar{bottom:calc(68px + env(safe-area-inset-bottom,0px))}}
.tldr{position:relative}
.tldr .tl-mark{position:absolute;left:-3px;top:-1px;bottom:-1px;width:3px;background:var(--ember);transform-origin:top;transform:scaleY(0);border-radius:var(--radius-sm)}
.tldr.lit .tl-mark{animation:tlm calc(1400ms * var(--slow)) var(--ease-ruhe) both}
@keyframes tlm{0%{transform:scaleY(0)}45%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
.toast{position:fixed;z-index:95;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);opacity:0;background:var(--ink);color:var(--paper);padding:.6rem .9rem;border-radius:var(--radius);font-size:0.8438rem;
  transition:transform calc(var(--dur-tropfen) * var(--slow)) var(--ease-tropfen),opacity .2s;pointer-events:none;max-width:calc(100vw - 32px);border:1px solid var(--hair)}
.toast.in{transform:translate(-50%,0);opacity:1}

.view-enter{animation:viewIn calc(var(--dur-ruhe) * var(--slow)) var(--ease-ruhe) both}
@keyframes viewIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

html.rm *,html.rm *::before,html.rm *::after{transition-duration:120ms!important;transition-timing-function:ease!important;animation-duration:1ms!important;animation-iteration-count:1!important}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:1ms!important;animation-iteration-count:1!important}}

/* ---------- Ergänzungen für die echten Seiten (Engine) ---------- */
.sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:var(--paper);padding:.6rem .9rem;border-radius:var(--radius)}
.skip:focus{left:16px;top:16px}
.preview-ribbon{background:var(--ink);color:var(--paper);font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;text-align:center;padding:.35rem 1rem}
.seg a{position:relative;z-index:1;display:inline-flex;align-items:center;text-decoration:none;padding:.3rem .6rem;font-size:0.75rem;font-weight:700;letter-spacing:.08em;border-radius:var(--radius-sm);
  transition:color calc(220ms * var(--slow)) ease calc(90ms * var(--slow))}
.seg a.on{color:var(--on-accent)}
@media(max-width:480px){.seg a{padding:.3rem .45rem}}
@media(pointer:coarse){.seg a{min-height:40px;min-width:44px;justify-content:center}}
a.card,a.room,a.vessel{color:inherit;text-decoration:none}
.card .meta,.card .foot,.card .eyebrow{display:flex}
.card .eyebrow{display:block}
.room .room-t{min-width:0}
.room-t > b,.room-t > span{display:block}
.card[hidden]{display:none}
.flowon .inner .h3{display:block;font-family:var(--font-display);font-weight:700;letter-spacing:-.03em;line-height:.98;font-size:clamp(1.5rem,3vw,2.125rem);text-wrap:balance}
.flowon .inner .p{display:block;margin:0;max-width:56ch}
.art-head a.eyebrow{text-decoration:none}
.art-head a.eyebrow:hover{text-decoration:underline}
a.back{text-decoration:none}
.toc-empty{min-height:1px}
/* Bilder: echte Seitenverhältnisse statt fester 16:9-Fläche */
.media .frame.fit{aspect-ratio:auto}
.media picture,.media img{display:block;width:100%;height:auto}
.pair .frame picture,.pair .frame img{height:100%;object-fit:cover}
.ba .frame picture,.ba .frame img{width:100%;height:100%;object-fit:cover}
.video .frame picture{position:absolute;inset:0}
.video .frame picture img{height:100%;object-fit:cover;opacity:.55}
.video .play{text-decoration:none;z-index:1}
.prose a{color:var(--accent-text);text-decoration-thickness:1px;text-underline-offset:.18em}
.prose a:hover{text-decoration-thickness:2px}
.prose h3{font-size:clamp(1.25rem,2vw,1.4375rem);letter-spacing:-.03em;line-height:1.12;margin:2rem 0 .7rem;scroll-margin-top:calc(var(--nav-h,64px) + 66px)}
.prose ul,.prose ol:not(.steps){margin:0 0 1.15rem;padding-left:1.35rem}
.prose li{margin:.25rem 0}
.prose code{font:.9em/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--surface-2);border:1px solid var(--hair);border-radius:var(--radius-sm);padding:.05em .3em}
.prose blockquote.mdq{margin:1.5rem 0;border-left:3px solid var(--hair);padding:.1rem 0 .1rem 1rem;color:var(--muted)}
.prose .callout p + p{margin-top:.6rem}
.metric small a{color:inherit}
.nextstep{margin:2.5rem 0 0;border-top:1px solid var(--hair);padding-top:1.25rem}
.nextstep .ns-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:.75rem}
.nextbar{text-decoration:none}
/* Themenraum und Glossar */
.hub-head{border-bottom:1px solid var(--hair)}
.hub-head .wrap{padding-block:2.25rem 2.5rem}
.hub-head h1{font-size:clamp(2.125rem,5vw,3.5rem);letter-spacing:-.045em;margin-top:.5rem}
.hub-head .lead{font-size:1.125rem;line-height:1.65;max-width:52ch;margin:1rem 0 0}
.hub-title{display:flex;gap:1rem;align-items:center;margin-top:1.25rem}
.hub-title svg{width:56px;height:56px;flex:none}
.hub-title svg path{fill:var(--accent)}
.crumb{font-size:.8125rem;font-weight:500;text-decoration:none}
.crumb:hover{color:var(--accent-text)}
.gloss{margin:0;display:grid;gap:0;max-width:var(--measure)}
.gloss > div{border-top:1px solid var(--hair);padding:1rem 0}
.gloss dt{font-family:var(--font-display);font-weight:700;font-size:1.3125rem;letter-spacing:-.03em}
.gloss dt a{text-decoration:none}
.gloss dt a:hover{color:var(--accent-text)}
.gloss dd{margin:.35rem 0 0;line-height:1.6}
/* Seitenwechsel im Blog: Lesefluss als Übergang zwischen Dokumenten (Chrome, Edge, Safari 18.2+) */
@view-transition{navigation:auto}
@keyframes rf-old{to{transform:translateY(-100vh)}}
@keyframes rf-new{from{transform:translateY(100vh)}}
@keyframes rf-old-back{to{transform:translateY(40vh);opacity:0}}
@keyframes rf-new-back{from{transform:translateY(-14vh);opacity:0}}
html:active-view-transition-type(lesefluss)::view-transition-old(root){animation:rf-old 620ms cubic-bezier(.2,.75,.25,1) both}
html:active-view-transition-type(lesefluss)::view-transition-new(root){animation:rf-new 620ms cubic-bezier(.2,.75,.25,1) both}
html:active-view-transition-type(zurueck)::view-transition-old(root){animation:rf-old-back 320ms ease-in both}
html:active-view-transition-type(zurueck)::view-transition-new(root){animation:rf-new-back 520ms cubic-bezier(.2,.8,.2,1) both}
@media (prefers-reduced-motion:reduce){@view-transition{navigation:none}}
html.rm::view-transition-old(root),html.rm::view-transition-new(root){animation:none!important}
@media print{.nav,.progress,.toc,.flowon,.nextbar,.share,.palette,.scrim,#echory-footer,.nextstep{display:none!important}.art-head{background:none;color:var(--ink)}.art-grid{display:block}}
.palette li a{width:100%;text-align:left;background:none;border:0;border-left:3px solid transparent;border-radius:var(--radius-sm);padding:.6rem .7rem;display:grid;gap:.1rem;text-decoration:none;color:inherit}
.palette li a b{font-weight:500;font-size:0.9375rem;line-height:1.35}
.palette li a span{font-size:0.75rem}
.palette li a.sel,.palette li a:hover{background:var(--surface-2);border-left-color:var(--accent)}
.palette li.none{padding:.8rem;font-size:.875rem}
.prose a.cta{color:var(--on-accent);text-decoration:none}
.prose a.cta.ghost{color:var(--text)}
.prose .video a.play{color:var(--band-text)}
.flowon .vessel{display:block}