/* Notenbuch – Webseite im Design von Version 2.0 („Studienpartitur“):
   Notenpapier, Tinte, Editionsblau · Newsreader + Schibsted Grotesk */
@font-face{font-family:"Newsreader";src:url(fonts/newsreader.woff2) format("woff2");font-weight:200 800;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader";src:url(fonts/newsreader-italic.woff2) format("woff2");font-weight:200 800;font-style:italic;font-display:swap}
@font-face{font-family:"Schibsted Grotesk";src:url(fonts/schibsted.woff2) format("woff2");font-weight:400 900;font-style:normal;font-display:swap}
@font-face{font-family:"Schibsted Grotesk";src:url(fonts/schibsted-italic.woff2) format("woff2");font-weight:400 900;font-style:italic;font-display:swap}

:root{
  --paper:#E9EBE4; --leaf:#FBFAF6; --leaf-2:#F3F4EE; --ink:#1B2430; --mid:#4E5862; --dim:#545E68;
  --rule:#D0D5C9; --rule-2:#B9C0B2; --blue:#2B4C8C; --blue-deep:#1F3A6E; --on-blue:#FFFFFF;
  --night:#11161D; --night-2:#161C25; --night-3:#1D242F; --night-text:#E7EAF0; --night-mid:#A2ABBA; --night-blue:#5B8AD9; --night-rule:#2E3745;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Schibsted Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --gutter:88px; --max:1180px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:24px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--blue-deep)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
strong{font-weight:650}
h1,h2,h3{margin:0;font-weight:400}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.narrow{max-width:760px}
.skip{position:absolute;left:-999px;top:8px;background:var(--leaf);padding:8px 12px;z-index:50}
.skip:focus{left:8px}

/* ---------- Kopf ---------- */
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.brand svg{width:40px;height:auto;flex:none}
.brand b{font:italic 500 25px/1 var(--serif);letter-spacing:.005em}
nav.site{display:flex;gap:2px;flex-wrap:wrap;justify-content:flex-end}
nav.site a{color:var(--ink);text-decoration:none;font:500 15px/1 var(--sans);padding:10px 12px;border-radius:8px}
nav.site a:hover{background:var(--leaf-2)}
nav.site a[aria-current]{box-shadow:inset 0 -2px 0 var(--blue);border-radius:0}
/* fünf Haarlinien – die Dirigentenlinie der App */
.staff{display:block;width:100%;height:30px;color:var(--rule-2)}
.staff line{stroke:currentColor;stroke-width:1}

/* ---------- Knöpfe ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--blue);color:var(--on-blue);text-decoration:none;font:600 16px/1 var(--sans);padding:16px 22px;border-radius:10px;transition:background .15s}
.btn:hover{background:var(--blue-deep);color:var(--on-blue)}
.btn svg{width:18px;height:18px}
.btn-quiet{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--rule-2)}
.btn-quiet:hover{background:var(--leaf-2);color:var(--ink)}

/* ---------- Probebuchstabe ---------- */
.mark{display:inline-grid;place-items:center;width:44px;height:44px;border:1.5px solid var(--ink);font:600 24px/1 var(--serif);color:var(--ink);background:var(--leaf);flex:none}

/* ---------- Startseite: Kopfbereich ---------- */
.hero{padding:56px 0 40px}
.hero .grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center}
.hero h1{font:400 clamp(46px,6.6vw,88px)/1 var(--serif);letter-spacing:-.018em;font-variation-settings:"opsz" 72}
.hero h1 span{display:block}
.hero h1 .kicker{font:600 17px/1.35 var(--sans);letter-spacing:0;color:var(--blue);margin-bottom:22px}
.hero .lead{font-size:20px;line-height:1.55;color:var(--mid);max-width:34em;margin:28px 0 0}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin:36px 0 0}
.hero .note{margin:16px 0 0;font-size:15px;color:var(--dim)}
.hero figure{margin:0;justify-self:center;max-width:500px}

/* ---------- Abschnitte mit Probebuchstaben ---------- */
.part{padding:112px 0;border-top:1px solid var(--rule)}
.part-head{display:grid;grid-template-columns:var(--gutter) minmax(0,1fr);align-items:start}
.part-head .mark{margin-top:6px}
.part h2{font:400 clamp(32px,3.7vw,50px)/1.08 var(--serif);letter-spacing:-.012em;max-width:16em;font-variation-settings:"opsz" 60}
.part .body{display:grid;grid-template-columns:var(--gutter) minmax(0,1fr) minmax(0,1fr);gap:0;margin-top:40px}
.part .body .text{grid-column:2;padding-right:64px;max-width:38em}
.part .body figure{grid-column:3;margin:0;justify-self:center;max-width:430px}
.part.flip .body .text{grid-column:3;grid-row:1;padding:0 0 0 64px}
.part.flip .body figure{grid-column:2;grid-row:1}
.part .text>p{font-size:18.5px;line-height:1.6}
.span{grid-column:2/4}
.part .body>*{min-width:0}
.facts{list-style:none;margin:28px 0 0;padding:0;border-top:1px solid var(--rule)}
.facts li{padding:13px 0;border-bottom:1px solid var(--rule);color:var(--mid);font-size:16px}

/* ---------- Ensemble ---------- */
.ensemble .stage{grid-column:2/4;margin-top:8px}
.conductor{position:relative;background:var(--leaf);border:1px solid var(--rule);border-radius:14px;padding:26px 28px 22px}
.conductor .bar{display:flex;align-items:center;gap:24px}
.conductor svg{flex:1;width:100%;height:78px;min-width:0;overflow:visible}
.conductor svg line{stroke:var(--rule-2);stroke-width:1.2}
.conductor .head{fill:var(--ink);transform-box:fill-box;transform-origin:center}
.conductor .status{font:500 15px/1.3 var(--sans);color:var(--mid);white-space:nowrap;min-width:12ch;text-align:right}
.conductor .status b{display:block;color:var(--ink);font-weight:650}
.cue{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:22px;padding:14px 16px;border-radius:10px;background:var(--paper);border:1px solid var(--rule)}
.cue .who{font:600 15px/1.3 var(--sans)}
.cue .what{font:italic 400 20px/1.2 var(--serif)}
.cue .file{flex:1;min-width:14em;font-size:14.5px;color:var(--dim)}
.cue .go{background:var(--blue);color:#fff;font:600 14px/1 var(--sans);padding:10px 14px;border-radius:8px}
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:44px 0 0;padding:0}
.steps li{counter-increment:s;color:var(--mid);font-size:16.5px}
.steps li::before{content:counter(s);display:block;font:400 44px/1 var(--serif);color:var(--blue);margin-bottom:10px}
.small{font-size:15px;color:var(--dim);margin-top:28px}

/* ---------- Nachtmodus ---------- */
.night{transition:background-color .9s ease,color .9s ease;background:var(--paper)}
.night .facts li,.night .text>p{transition:color .9s ease}
.night.is-dark{background:var(--night);color:var(--night-text);border-top-color:var(--night-rule)}
.night.is-dark .mark{background:var(--night-2);color:var(--night-text);border-color:var(--night-text)}
.night.is-dark .text>p,.night.is-dark .facts li{color:var(--night-mid)}
.night.is-dark .facts,.night.is-dark .facts li{border-color:var(--night-rule)}
.desk{position:relative;padding:22px;border-radius:16px;background:#2A2F36;box-shadow:0 30px 60px -30px rgba(17,22,29,.55);transition:background-color .9s ease}
.night.is-dark .desk{background:#05080C}
.desk img{border-radius:3px;transition:filter .9s ease}
.night.is-dark .desk img{filter:brightness(.58) contrast(1.04)}
.switch{display:inline-flex;margin-top:30px;padding:4px;border-radius:12px;background:var(--leaf);border:1px solid var(--rule);transition:background-color .9s,border-color .9s}
.switch button{font:600 15px/1 var(--sans);border:0;background:transparent;color:var(--ink);padding:11px 18px;border-radius:9px;cursor:pointer;transition:background-color .3s,color .3s}
.switch button[aria-pressed="true"]{background:var(--blue);color:#fff}
.night.is-dark .switch{background:var(--night-3);border-color:var(--night-rule)}
.night.is-dark .switch button{color:var(--night-text)}
.night.is-dark .switch button[aria-pressed="true"]{background:var(--night-blue);color:#0E1420}
.night.is-dark a{color:var(--night-blue)}

/* ---------- Ruhige Teile ---------- */
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:40px;border-top:1px solid var(--rule)}
.trio div{padding:24px 28px 0 0}
.trio div+div{padding-left:28px;border-left:1px solid var(--rule)}
.trio h3{font:500 26px/1.15 var(--serif);margin-bottom:8px}
.trio p{color:var(--mid);font-size:16px}
details{border-bottom:1px solid var(--rule)}
details:first-of-type{border-top:1px solid var(--rule)}
summary{cursor:pointer;list-style:none;padding:20px 48px 20px 0;font:500 18px/1.4 var(--sans);position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:6px;top:50%;width:10px;height:10px;border-right:1.5px solid var(--ink);border-bottom:1.5px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
details .answer{padding:0 0 20px;color:var(--mid);max-width:44em}
.index-list{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid var(--rule)}
.index-list li{border-bottom:1px solid var(--rule)}
.index-list a{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:24px;padding:22px 0;text-decoration:none;color:var(--ink)}
.index-list a b{font:500 24px/1.2 var(--serif)}
.index-list a span{color:var(--mid)}
.index-list a:hover b{color:var(--blue)}
.finale{padding:120px 0 128px;text-align:center;border-top:1px solid var(--rule)}
.finale svg{width:84px;margin:0 auto 28px;display:block}
.finale h2{font:400 clamp(34px,4.4vw,58px)/1.06 var(--serif);letter-spacing:-.012em}
.finale p{color:var(--mid);margin:16px auto 32px;max-width:32em}

/* ---------- Unterseiten ---------- */
.page-head{padding:64px 0 24px}
.page-head .eyebrow{font:600 15px/1 var(--sans);color:var(--blue);margin:0 0 16px}
.page-head h1{font:400 clamp(38px,5.2vw,64px)/1.05 var(--serif);letter-spacing:-.015em}
.page-head .lead{font-size:19px;color:var(--mid);max-width:38em;margin:20px 0 0}
.page-head .meta{font-size:14.5px;color:var(--dim);margin:18px 0 0}
.crumbs{font-size:15px;margin:0 0 18px}
main.sub{padding-bottom:96px}
main.sub h2{font:400 32px/1.15 var(--serif);margin:56px 0 14px}
main.sub h3{font:600 17px/1.4 var(--sans);margin:30px 0 8px}
main.sub .card{background:var(--leaf);border:1px solid var(--rule);border-radius:14px;padding:28px 32px;margin:18px 0}
main.sub .card h2{margin-top:0;font-size:28px}
main.sub .card>:last-child{margin-bottom:0}
main.sub .num{display:block;font:500 15px/1 var(--serif);color:var(--blue);margin-bottom:10px}
main.sub .contact{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
main.sub .highlights{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border-top:1px solid var(--rule);margin:8px 0 24px}
main.sub .highlight{padding:18px 20px 18px 0}
main.sub .highlight b{display:block;font:500 22px/1.2 var(--serif)}
main.sub .highlight span{color:var(--mid);font-size:15.5px}
main.sub ul,main.sub ol{padding-left:1.2em}
main.sub li{margin:6px 0}
main.sub li::marker{color:var(--blue)}
address{font-style:normal;line-height:1.7}
.table-scroll{overflow-x:auto;margin:8px 0 16px}
table{width:100%;border-collapse:collapse;font-size:15.5px}
th,td{text-align:left;vertical-align:top;padding:12px 14px 12px 0;border-bottom:1px solid var(--rule)}
th{font-weight:650}
tr:last-child td{border-bottom:0}
.path{font:500 14px/1.5 var(--sans);background:var(--leaf-2);border:1px solid var(--rule);border-radius:6px;padding:1px 6px;white-space:nowrap}
.ph{background:#FFF3C4;border-radius:4px;padding:0 4px}
.prose{max-width:720px}
.prose p,.prose li{font-size:18px;line-height:1.65}
.prose figure{margin:36px 0}
.prose figure img{max-width:min(380px,100%);margin:0 auto}
.prose figcaption{text-align:center;font-size:14.5px;color:var(--dim);margin-top:8px}
.prose .table-scroll table{min-width:620px}
.prose td,.prose th{font-size:15.5px}
.prose .yes{color:var(--blue);font-weight:650}
.note{font-size:15.5px;color:var(--dim)}
.appbox{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;border:1px solid var(--rule);border-left:3px solid var(--blue);border-radius:12px;background:var(--leaf);padding:22px 24px;margin:40px 0}
.appbox p{margin:0;max-width:30em}
.guide-list{margin-top:8px}

/* ---------- Fuß ---------- */
footer.site{border-top:1px solid var(--rule);padding:32px 0 48px;font-size:15px;color:var(--dim)}
footer.site .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px}
footer.site nav{display:flex;flex-wrap:wrap;gap:6px 18px}
footer.site a{color:var(--mid)}

/* ---------- Seitenleiste mit Probebuchstaben ---------- */
.rail{position:fixed;left:22px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:10px;z-index:20;opacity:0;pointer-events:none;transition:opacity .4s}
.rail.show{opacity:1;pointer-events:auto}
.rail a{display:grid;place-items:center;width:36px;height:36px;border:1.5px solid var(--ink);background:var(--leaf);color:var(--ink);font:600 18px/1 var(--serif);text-decoration:none;transition:background-color .25s,color .25s,border-color .25s}
.rail a:hover{background:var(--leaf-2)}
.rail a[aria-current="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
body.over-night .rail a{background:var(--night-2);color:var(--night-text);border-color:var(--night-mid)}
body.over-night .rail a[aria-current="true"]{background:var(--night-blue);border-color:var(--night-blue);color:#0E1420}
@media (max-width:1300px){.rail{display:none}}

/* ---------- Bewegung: ein Auftakt beim Laden ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .home .staff line{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.1s cubic-bezier(.65,0,.35,1) forwards}
  .js .home .staff line:nth-child(2){animation-delay:.07s}.js .home .staff line:nth-child(3){animation-delay:.14s}
  .js .home .staff line:nth-child(4){animation-delay:.21s}.js .home .staff line:nth-child(5){animation-delay:.28s}
  .js .home .brand .arc{stroke-dasharray:100;stroke-dashoffset:100;animation:arc .7s cubic-bezier(.65,0,.35,1) .2s forwards}
  .js .home .brand .foot{transform-box:fill-box;transform-origin:center;transform:scale(0);animation:pop .22s cubic-bezier(.34,1.56,.64,1) forwards}
  .js .home .brand .foot.l{animation-delay:.2s}.js .home .brand .foot.r{animation-delay:.85s}
  .js .home .brand .dot{opacity:0;transform:translateY(-60px);animation:drop .55s cubic-bezier(.34,1.56,.64,1) .75s forwards}
  .js .home .hero h1 .kicker,.js .home .hero h1 .line,.js .home .hero .lead,.js .home .hero .cta,.js .home .hero .note,.js .home .hero figure{opacity:0;transform:translateY(10px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
  .js .home .hero h1 .kicker{animation-delay:.35s}.js .home .hero h1 .line:nth-child(2){animation-delay:.45s}.js .home .hero h1 .line:nth-child(3){animation-delay:.55s}.js .home .hero h1 .line:nth-child(4){animation-delay:.65s}
  .js .home .hero .lead{animation-delay:.8s}.js .home .hero .cta{animation-delay:.9s}.js .home .hero .note{animation-delay:.95s}
  .js .home .hero figure{animation-delay:.5s;animation-duration:1s}
  .js .conductor .head{opacity:0;transform:scale(.3)}
  .js .conductor.play .head{animation:pop .32s cubic-bezier(.34,1.56,.64,1) forwards}
  .js .conductor .cue{opacity:0;transform:translateY(8px);transition:opacity .5s,transform .5s}
  .js .conductor.done .cue{opacity:1;transform:none}
}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes arc{to{stroke-dashoffset:0}}
@keyframes pop{to{transform:scale(1);opacity:1}}
@keyframes drop{30%{opacity:1}to{opacity:1;transform:none}}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.night,.night *,.desk img{transition:none!important}}

/* ---------- Schmale Bildschirme ---------- */
@media (max-width:900px){
  :root{--gutter:0px}
  .hero .grid{grid-template-columns:1fr;gap:40px}
  .hero figure{max-width:420px}
  .part{padding:80px 0}
  .part-head{grid-template-columns:1fr;gap:18px}
  .part .body{grid-template-columns:1fr;margin-top:28px}
  .part .body .text,.part.flip .body .text{grid-column:1;grid-row:1;padding:0}
  .part .body figure,.part.flip .body figure{grid-column:1;grid-row:2;margin-top:40px;max-width:380px}
  .ensemble .stage,.span{grid-column:1}
  .steps,.trio{grid-template-columns:1fr;gap:24px}
  .trio div,.trio div+div{padding:20px 0 0;border-left:0}
  .index-list a{grid-template-columns:1fr;gap:6px}
}
@media (max-width:560px){
  .wrap{padding:0 18px}
  header.site .wrap{min-height:64px}
  .brand b{font-size:22px}.brand svg{width:34px}
  nav.site a{padding:9px 8px;font-size:14.5px}
  nav.site .hide-sm{display:none}
  .hero{padding-top:36px}
  .hero .lead{font-size:18px}
  .conductor{padding:18px 16px}
  .conductor .bar{flex-direction:column;align-items:stretch;gap:10px}
  .conductor .status{text-align:left}
  main.sub .card{padding:22px 20px}
  .btn{padding:15px 18px}
}
@media (min-width:1000px){.prose .table-scroll{width:min(1000px,calc(100vw - 64px))}}