/* 16 — MOOS · „Mit Ruhe zur Kraft"
   Papier traegt, Tusche spricht, Gruen bewegt sich. Zwei Markenfarben:
   Moos fuehrt die Linie, Holunder markiert, was verbindlich wird. */

:root{
  /* Neutrale */
  --papier:#E9EBE2;
  --papier-hell:#F2F3EC;
  --papier-schatten:#DDE0D4;
  --tusche:#191E17;
  --tusche-still:#454C42;

  /* Marke 1 · Moos */
  --moos:#5C7A45;
  --moos-tief:#3A4F2C;
  --moos-hell:#8FA97A;
  --moosplatte:#212C1D;

  /* Marke 2 · Holunder */
  --holunder:#6E2639;
  --holunder-tief:#551D2C;

  /* semantisch, wird auf der Platte umgehaengt */
  --grund:var(--papier);
  --text:var(--tusche);
  --text-still:var(--tusche-still);
  --haar:rgba(25,30,23,.17);
  --haar-fein:rgba(25,30,23,.14);
  --akzent:var(--moos);
  --akzent-text:var(--moos-tief);
  --mark-ring:var(--moos-tief);

  /* Mass */
  --rand:clamp(18px,4.6vw,84px);
  --einzug:clamp(0px,9vw,132px);
  --aus:calc(-1 * var(--einzug) - 22px);
  --wrap:1340px;
  --bar-h:68px;

  /* Bewegung */
  --e-aus:cubic-bezier(.16,1,.3,1);
  --e-sanft:cubic-bezier(.33,.02,.16,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--papier);
  color:var(--tusche);
  font:400 19px/1.62 'Alegreya',Georgia,serif;
  font-feature-settings:"kern" 1,"liga" 1;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* Papierkorn: eine Materiallage, keine Deko. Liegt unter allem. */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.34'/%3E%3C/svg%3E");
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
::selection{background:var(--moos-hell);color:var(--tusche)}
:focus-visible{outline:2px solid var(--akzent-text);outline-offset:3px;border-radius:2px}

/* ------------------------------------------------------------ Typografie */
h1,h2,h3,.lbl,.folio,.knopf,.tlink,.bar-nav,.bar-cta,.idx i,.stein i,.klein,.meta,.fuss-nav{
  font-family:'Space Grotesk',system-ui,sans-serif;
}
h1{font-size:clamp(2.9rem,7.1vw,6.1rem);font-weight:500;line-height:.94;letter-spacing:-.035em}
h1 span{display:block}
h1 .z3{display:inline-block}
h2{font-size:clamp(1.95rem,3.4vw,3.15rem);font-weight:500;line-height:1.06;letter-spacing:-.026em}
h2.gross{font-size:clamp(2.3rem,5vw,4.3rem)}
h2+*,h2+.satz,h1+.lead{margin-top:clamp(24px,2.8vw,38px)}
h2+.index,h2+.stufen{margin-top:clamp(40px,5vw,72px)}
h3{font-size:clamp(1.15rem,1.5vw,1.36rem);font-weight:500;letter-spacing:-.012em;line-height:1.24}
.lbl{
  font-size:11px;font-weight:500;letter-spacing:.17em;text-transform:uppercase;
  color:var(--akzent-text);margin-bottom:clamp(20px,2.6vw,34px);
}
.lbl.mit-punkt::before{
  content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--holunder);margin-right:11px;transform:translateY(-1px);
}
.satz p+p,.satz+.satz{margin-top:1.1em}
.satz{max-width:60ch;color:var(--text)}
.lead{font-size:clamp(20px,1.55vw,23.5px);line-height:1.56;max-width:52ch;margin-top:clamp(22px,2.6vw,34px)}
.meta{font-size:13.5px;letter-spacing:.005em;color:var(--text-still);margin-top:clamp(18px,2vw,26px);max-width:46ch;line-height:1.6}
.klein{font-size:13px;line-height:1.68;color:var(--text-still);max-width:62ch}

/* Textlink: der Unterstrich ist ein Moosstrich, er waechst beim Zeigen */
.tlink{
  font-size:14px;font-weight:500;letter-spacing:.005em;text-decoration:none;
  display:inline-block;position:relative;padding-bottom:3px;color:var(--text);
}
.tlink::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1.5px;background:var(--akzent);
  transform-origin:left;transform:scaleX(1);transition:transform .5s var(--e-aus);
}
.tlink:hover::after{transform:scaleX(.28)}
.tlink.still{color:var(--text-still)}
.tlink.still::after{background:var(--haar)}

/* Knopf: gesetzt, nicht gerundet. Kein Schatten, kein Verlauf. */
.knopf{
  display:inline-flex;align-items:center;min-height:48px;padding:0 26px;
  font-size:14.5px;font-weight:500;letter-spacing:.005em;text-decoration:none;
  background:var(--tusche);color:var(--papier-hell);border:1px solid var(--tusche);
  transition:background .45s var(--e-aus),color .45s var(--e-aus),transform .45s var(--e-aus);
}
.knopf:hover{background:transparent;color:var(--text);transform:translateY(-1px)}
.knopf.voll{background:var(--holunder);border-color:var(--holunder);color:var(--papier-hell);min-height:56px;padding:0 34px;font-size:15.5px}
.knopf.voll:hover{background:transparent;color:var(--holunder)}
.knopf.hell{background:var(--papier);border-color:var(--papier);color:var(--moosplatte)}
.knopf.hell:hover{background:transparent;color:var(--papier)}
.knopf.schmal{min-height:44px;padding:0 22px;font-size:13.5px}
.tun{display:flex;flex-wrap:wrap;align-items:center;gap:14px 30px;margin-top:clamp(28px,3.4vw,44px)}

/* ------------------------------------------------------------- Gerueste */
.wrap{width:min(100% - 2*var(--rand),var(--wrap));margin-inline:auto;position:relative}
.col{margin-left:var(--einzug);position:relative}
.sec{position:relative;z-index:1;padding-block:clamp(84px,11vh,150px)}
.sec+.sec{padding-top:clamp(70px,9vh,124px)}

/* die Randschiene: das gedruckte Gerippe der Seite */
.schiene{position:absolute;left:0;top:calc(-1 * clamp(70px,9vh,124px));bottom:calc(-1 * clamp(84px,11vh,150px));width:1px;background:var(--haar-fein)}
.hero .schiene{top:0}
.marke{position:absolute;left:0;top:0;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:9px;color:var(--akzent-text)}
.marke .folio{font-size:11px;font-weight:500;letter-spacing:.1em;color:var(--text-still)}
.marke .folio i{font-style:normal;opacity:.5}
.ringe{width:44px;height:44px;display:block;color:var(--akzent)}
.ringe circle{fill:none;stroke:currentColor}

/* ---------------------------------------------------------------- Kopf */
.bar{
  position:fixed;top:0;left:0;right:0;height:var(--bar-h);z-index:40;
  display:flex;align-items:center;gap:26px;
  padding-inline:var(--rand);padding-top:env(safe-area-inset-top);
  background:color-mix(in srgb,var(--papier) 88%,transparent);
  backdrop-filter:saturate(1.1) blur(9px);-webkit-backdrop-filter:saturate(1.1) blur(9px);
  border-bottom:1px solid var(--haar-fein);
  transition:background .6s var(--e-sanft),border-color .6s var(--e-sanft),color .6s var(--e-sanft);
}
.bar.dunkel{
  background:color-mix(in srgb,var(--moosplatte) 90%,transparent);
  border-bottom-color:rgba(233,235,226,.14);color:var(--papier);
}
.mark{display:block;line-height:0;margin-right:auto;min-height:44px;display:flex;align-items:center}
.mark img{width:118px;height:44px}
.mark .dunkel{display:none}
.bar.dunkel .mark .hell{display:none}
.bar.dunkel .mark .dunkel{display:block}
.bar-nav{display:flex;gap:26px}
.bar-nav a{
  font-size:12.5px;font-weight:500;letter-spacing:.02em;text-decoration:none;
  color:var(--tusche-still);padding:12px 0;position:relative;transition:color .4s var(--e-aus);
}
.bar.dunkel .bar-nav a{color:#C3CBB8}
.bar-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:8px;height:1px;background:currentColor;transition:right .5s var(--e-aus)}
.bar-nav a:hover{color:var(--tusche)}
.bar.dunkel .bar-nav a:hover{color:var(--papier)}
.bar-nav a:hover::after{right:0}
.bar-cta{
  font-size:12.5px;font-weight:500;letter-spacing:.02em;text-decoration:none;
  display:inline-flex;align-items:center;min-height:44px;padding:0 17px;
  border:1px solid var(--haar);color:var(--tusche);
  transition:background .45s var(--e-aus),color .45s var(--e-aus),border-color .45s var(--e-aus);
}
.bar-cta:hover{background:var(--tusche);color:var(--papier-hell);border-color:var(--tusche)}
.bar.dunkel .bar-cta{border-color:rgba(233,235,226,.3);color:var(--papier)}
.bar.dunkel .bar-cta:hover{background:var(--papier);color:var(--moosplatte)}

/* ---------------------------------------------------------------- Hero */
.hero{overflow-x:clip;min-height:100svh;display:flex;align-items:center;padding-top:calc(var(--bar-h) + clamp(30px,6vh,80px));padding-bottom:clamp(60px,9vh,120px)}
.hero .wrap{width:min(100% - 2*var(--rand),var(--wrap))}
.hero-col{max-width:min(100%,880px)}
h1 .z3{margin-left:var(--aus);color:var(--text)}
.hero-ring{
  position:absolute;right:calc(-1 * var(--rand) - 8vw);top:50%;transform:translateY(-52%);
  width:min(66vh,700px);height:auto;opacity:.13;pointer-events:none;z-index:-1;
}
.hero .tun{gap:16px 34px}

/* ------------------------------------------------------------- Methode */
.satz.zwei{column-count:2;column-gap:clamp(28px,3.4vw,56px);max-width:none;width:min(100%,72ch)}
.satz.zwei p{break-inside:avoid;margin:0}
.satz.zwei p+p{margin-top:0}
.tafel{margin-top:clamp(48px,6vw,86px);margin-left:var(--einzug);display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:clamp(20px,2.4vw,34px);align-items:end}
.tafel-bild{
  position:relative;background:var(--moos-tief);overflow:hidden;
  border:1px solid var(--haar-fein);aspect-ratio:2.25/1;
}
.tafel-bild img{
  width:100%;height:100%;object-fit:cover;object-position:50% 74%;
  filter:grayscale(1) contrast(1.06) brightness(1.06);
  mix-blend-mode:screen;
}
/* Duplex: Moostusche als Grund, Papier als Licht, darueber ein feines Raster */
.tafel-bild::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    repeating-linear-gradient(0deg,rgba(33,44,29,.16) 0 1px,rgba(233,235,226,0) 1px 3px),
    linear-gradient(180deg,#EFF1E8,#E4E7DC);
  mix-blend-mode:multiply;
}
.tafel figcaption{
  font-size:12.5px;line-height:1.55;color:var(--text-still);
  font-family:'Space Grotesk',sans-serif;letter-spacing:.005em;
  border-top:1px solid var(--haar);padding-top:10px;
}

/* --------------------------------------------------------------- Index */
.index{list-style:none;margin-top:clamp(40px,5vw,68px);margin-left:var(--einzug)}
.index li{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:clamp(18px,2.4vw,40px);
  padding-block:clamp(24px,2.6vw,34px);border-top:1px solid var(--haar);
  align-items:start;
}
.index li:last-child{border-bottom:1px solid var(--haar)}
.idx{display:flex;flex-direction:column;align-items:flex-start;gap:8px;color:var(--akzent)}
.idx i{font-style:normal;font-size:11px;font-weight:500;letter-spacing:.1em;color:var(--text-still)}
.idx-satz{max-width:56ch}
.idx-satz h3{margin-bottom:12px}
.idx-satz p{font-size:17.5px;line-height:1.6;color:var(--text);margin-bottom:18px;max-width:52ch}
.nachsatz{margin-top:clamp(34px,4vw,52px);display:flex;flex-wrap:wrap;align-items:center;gap:18px 34px}
.nachsatz p{font-size:16px;color:var(--text-still);max-width:44ch;line-height:1.6}

/* ---------------------------------------------------- Platte / § 20 --- */
.platte{
  --grund:var(--moosplatte);
  --text:var(--papier);
  --text-still:#C3CBB8;
  --haar:rgba(233,235,226,.2);
  --haar-fein:rgba(233,235,226,.12);
  --akzent:var(--moos-hell);
  --akzent-text:var(--moos-hell);
  background:var(--moosplatte);color:var(--papier);
  margin-top:0;padding-block:clamp(90px,12vh,160px);
  position:relative;overflow:clip;
}
.platte h2,.platte h3,.platte .satz,.platte blockquote{color:var(--papier)}
/* Steinkorn: das Material der Platte, nicht Deko */
.platte::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='s'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23s)' opacity='.22'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
.stufen{margin-top:clamp(46px,6vw,80px);position:relative}
.stufe{display:grid;grid-template-columns:1fr 168px 1fr;align-items:center;min-height:198px}
.stufe-satz{max-width:40ch}
.stufe:nth-child(odd) .stufe-satz{grid-column:1;text-align:right;justify-self:end}
.stufe:nth-child(even) .stufe-satz{grid-column:3}
.stufe h3{margin-bottom:10px}
.stufe p{font-size:16.5px;line-height:1.62;color:#C7CFBD}
.stein{
  grid-column:2;grid-row:1;width:88px;height:88px;margin-inline:auto;position:relative;z-index:2;
  border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 34% 28%,#37432F,#1A2416 74%);
  box-shadow:0 20px 30px -14px rgba(0,0,0,.55),inset 0 1px 0 rgba(233,235,226,.09);
}
.stein .ringe{position:absolute;inset:0;width:88px;height:88px;color:var(--moos-hell)}
.stein i{font-style:normal;font-size:11px;font-weight:500;letter-spacing:.1em;color:#AFC09C;position:relative;top:1px}
.tun-platte{margin-top:clamp(44px,5vw,72px);display:flex;flex-wrap:wrap;align-items:center;gap:18px 34px}
.platte .klein{margin-top:clamp(40px,5vw,64px);margin-left:var(--einzug);border-top:1px solid var(--haar-fein);padding-top:20px;max-width:66ch}

/* -------------------------------------------------------------- Lehrer */
.lehrer-raster{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:clamp(36px,5vw,84px);align-items:center}
.belege{list-style:none;margin-top:clamp(26px,3vw,38px);max-width:56ch}
.belege li{
  font-family:'Space Grotesk',sans-serif;font-size:13.5px;line-height:1.5;color:var(--text-still);
  padding:9px 0 9px 24px;border-top:1px solid var(--haar-fein);position:relative;
}
.belege li:first-child{border-top:0}
.belege li::before{
  content:"";position:absolute;left:2px;top:15px;width:8px;height:8px;border-radius:50%;
  border:1.5px solid var(--moos);
}
.enso-buehne{position:relative;display:flex;justify-content:center;align-items:center;padding:clamp(40px,7vw,90px) 0;min-height:340px}
blockquote#zitat{
  width:min(330px,68vw);text-align:center;position:relative;z-index:2;
  font-size:clamp(19px,1.7vw,22.5px);line-height:1.5;font-style:italic;color:var(--tusche);
}
blockquote#zitat::before{content:"„";color:var(--moos);font-style:normal}
blockquote#zitat::after{content:"\201C";color:var(--moos);font-style:normal}

/* ------------------------------------------------------------- Schluss */
.schluss{padding-bottom:clamp(96px,13vh,170px)}
.gross-tun{align-items:center;gap:22px 32px}
.siegel-halt{display:inline-flex;align-items:center;min-height:56px}
.siegel{
  width:58px;height:58px;display:block;opacity:0;transform:scale(.88) rotate(-9deg);
  background:url("../img/siegel.svg") center/contain no-repeat;
  transition:opacity 1s var(--e-aus),transform 1s var(--e-aus);
}
body.gesiegelt .siegel{opacity:1;transform:scale(1) rotate(-2.5deg)}

/* --------------------------------------------------------------- Fuss */
.fuss{background:var(--papier-schatten);border-top:1px solid var(--haar);padding-block:clamp(48px,6vw,76px);position:relative;z-index:1}
.fuss-raster{display:grid;grid-template-columns:132px minmax(0,1fr);gap:clamp(24px,3vw,46px);align-items:start}
.fuss-mark{width:132px;height:132px;opacity:.92}
.kolophon{grid-column:2}
.fuss-nav{display:flex;flex-wrap:wrap;gap:12px 24px;margin-bottom:22px}
.fuss-nav a{font-size:13px;font-weight:500;text-decoration:none;color:var(--tusche-still)}
.fuss-nav a:hover{color:var(--tusche)}
.kolophon{font-size:13px;line-height:1.65;color:var(--tusche-still);max-width:70ch}

/* ------------------------------------------------------------- Linie */
#linie{position:absolute;top:0;left:0;width:100%;z-index:3;pointer-events:none;overflow:visible}
#linie path{fill:none;stroke-linecap:round;stroke-linejoin:round}

/* ------------------------------------------------------------- Intro */
#intro{
  position:fixed;inset:0;z-index:80;background:var(--papier);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .62s var(--e-sanft);
}
#intro canvas{position:absolute;inset:0;width:100%;height:100%}
#intro.weg{opacity:0;pointer-events:none}
body.intro-laeuft{overflow:hidden}
#intro-print{
  position:absolute;font-family:'Space Grotesk',sans-serif;font-weight:600;
  letter-spacing:.2em;color:var(--tusche);white-space:nowrap;line-height:1;
  display:flex;
}
#intro-print span{display:inline-block;clip-path:inset(0 0 100% 0);transform:translateY(2px);opacity:.001}
#intro-print span.gesetzt{clip-path:inset(0 0 0 0);transform:none;opacity:1;
  transition:clip-path .14s cubic-bezier(.2,.7,.3,1),transform .14s cubic-bezier(.2,.7,.3,1),opacity .01s}
#intro-print .sp{width:.62em}
#intro-skip{
  position:absolute;bottom:clamp(26px,5vh,54px);left:50%;transform:translateX(-50%);
  font-family:'Space Grotesk',sans-serif;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--tusche-still);opacity:0;transition:opacity .8s var(--e-sanft);
}
#intro-skip.da{opacity:.55}

/* --------------------------------------------------------- Auftauchen */
[data-auf]{opacity:0;transform:translateY(14px);
  transition:opacity .95s var(--e-aus) var(--v,0s),transform 1.05s var(--e-aus) var(--v,0s)}
[data-auf].auf{opacity:1;transform:none}

/* ------------------------------------------------------------- Schmal */
@media (max-width:1080px){
  .lehrer-raster{grid-template-columns:1fr;gap:clamp(24px,4vw,40px)}
  .enso-buehne{min-height:330px;padding-block:64px}
  .tafel{grid-template-columns:1fr;align-items:start}
  .tafel figcaption{max-width:48ch}
}
@media (max-width:860px){
  :root{--einzug:0px;--aus:0px;--bar-h:60px}
  .satz.zwei{column-count:1}
  .satz.zwei p+p{margin-top:1.1em}
  .bar-nav{display:none}
  .marke{position:static;transform:none;flex-direction:row;align-items:center;gap:12px;margin-bottom:22px}
  .marke .ringe{width:34px;height:34px}
  .schiene{display:none}
  .hero{min-height:auto;padding-top:calc(var(--bar-h) + 54px)}
  .hero-ring{right:-30vw;top:auto;bottom:-6vh;transform:none;width:82vw;opacity:.07}
  .index li{grid-template-columns:1fr;gap:14px}
  .idx{flex-direction:row;align-items:center;gap:12px}
  .stufe{grid-template-columns:64px minmax(0,1fr);column-gap:18px;min-height:0;padding-block:22px}
  .stufe:nth-child(odd) .stufe-satz,.stufe:nth-child(even) .stufe-satz{grid-column:2;grid-row:1;text-align:left;justify-self:start;max-width:none}
  .stein{width:64px;height:64px;grid-column:1}
  .stein .ringe{width:64px;height:64px}
  .fuss-raster{grid-template-columns:1fr;gap:24px}
  .kolophon{grid-column:1}
  .fuss-mark{width:108px;height:108px}
  .platte .klein{margin-left:0}
  .index,.tafel{margin-left:0}
  .tun,.nachsatz,.tun-platte,.gross-tun{gap:14px 22px}
  .knopf,.knopf.voll{width:auto;min-height:50px}
}
@media (max-width:420px){
  body{font-size:18px}
  .bar-cta{padding:0 13px;font-size:12px}
  .mark img{width:104px;height:39px}
  .knopf.voll{padding:0 24px;font-size:15px}
  .siegel{width:48px;height:48px}
}

/* ------------------------------------------------- Ruhige Darstellung */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  [data-auf]{opacity:1;transform:none}
  .siegel{opacity:1;transform:none}
  .tlink::after{transform:scaleX(1)}
}