:root{
  --ink:#21312a;
  --muted:#6a756d;
  --cream:#f7f3e9;
  --paper:#fffdf8;
  --line:#dde5dd;
  --green:#2d523b;
  --green2:#4e7457;
  --shadow:0 14px 40px rgba(37,55,43,.09);
  --shadow-soft:0 8px 24px rgba(37,55,43,.065);

  --listen:#7256a6;
  --listen-soft:#f0ebfb;
  --material:#b16d3c;
  --material-soft:#fbefe5;
  --research:#2e7c77;
  --research-soft:#e7f5f2;
  --outside:#4c7a45;
  --outside-soft:#edf6e9;
  --journal:#284c3f;
  --journal-soft:#eee9df;
  --notebook:#9a6a48;
  --notebook-soft:#f7eee6;
  --bella:#486b83;
  --bella-soft:#eaf2f7;
  --support:#8a624b;
  --support-soft:#f6ece5;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(circle at 92% -5%,rgba(93,128,94,.14),transparent 28rem),
    linear-gradient(180deg,#faf8f2,#f3efe5);
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.55;
}
body[data-world="hoeren"]{--world:var(--listen);--world-soft:var(--listen-soft)}
body[data-world="material"]{--world:var(--material);--world-soft:var(--material-soft)}
body[data-world="forschen"]{--world:var(--research);--world-soft:var(--research-soft)}
body[data-world="rausgehen"]{--world:var(--outside);--world-soft:var(--outside-soft)}
body[data-world="lesen"]{--world:var(--journal);--world-soft:var(--journal-soft)}
body[data-world="journal"]{--world:var(--journal);--world-soft:var(--journal-soft)}
body[data-world="notizbuch"]{--world:var(--notebook);--world-soft:var(--notebook-soft)}
body[data-world="bella"]{--world:var(--bella);--world-soft:var(--bella-soft)}
body[data-world="unterstuetzen"]{--world:var(--support);--world-soft:var(--support-soft)}
body[data-world="tier"]{--world:#5c754c;--world-soft:#eff5ea}
a{color:inherit}
button,input{font:inherit}
img{max-width:100%}
[hidden]{display:none!important}

.topbar{
  background:rgba(255,253,248,.95);
  border-bottom:1px solid rgba(221,229,221,.9);
  backdrop-filter:blur(12px);
}
.topbar-inner{
  width:min(1180px,calc(100% - 28px));
  min-height:72px;margin:auto;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.brand{text-decoration:none;display:flex;align-items:center;gap:11px}
.brand img{width:46px;height:46px;object-fit:contain}
.brand span{display:grid;font-family:Georgia,"Times New Roman",serif;font-size:1.12rem;font-weight:700;line-height:1.05}
.brand small{font-family:system-ui,sans-serif;font-size:.68rem;color:var(--muted);font-weight:700;margin-top:4px}
.home-link{
  text-decoration:none;display:flex;align-items:center;gap:7px;
  padding:9px 12px;border-radius:12px;border:1px solid var(--line);
  background:#fff;font-size:.82rem;font-weight:800;
}
.home-link img{width:18px;height:18px}

.world-dock{
  position:sticky;top:0;z-index:90;
  background:rgba(247,243,233,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.world-dock-inner{
  width:min(1180px,calc(100% - 28px));margin:auto;
  display:grid;grid-template-columns:repeat(7,1fr);gap:6px;padding:8px 0;
}
.world-link{
  min-width:0;text-decoration:none;
  display:flex;align-items:center;justify-content:center;gap:7px;
  padding:9px 8px;border-radius:12px;
  font-size:.79rem;font-weight:850;color:#46524a;
}
.world-link img{width:21px;height:21px}
.world-link:hover{background:#fff}
.world-link.active{color:var(--world);background:var(--world-soft);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--world) 25%, transparent)}
.world-link[data-world="hoeren"]{--world:var(--listen);--world-soft:var(--listen-soft)}
.world-link[data-world="material"]{--world:var(--material);--world-soft:var(--material-soft)}
.world-link[data-world="forschen"]{--world:var(--research);--world-soft:var(--research-soft)}
.world-link[data-world="rausgehen"]{--world:var(--outside);--world-soft:var(--outside-soft)}
.world-link[data-world="lesen"]{--world:var(--journal);--world-soft:var(--journal-soft)}
.world-link[data-world="journal"]{--world:var(--journal);--world-soft:var(--journal-soft)}
.world-link[data-world="notizbuch"]{--world:var(--notebook);--world-soft:var(--notebook-soft)}
.world-link[data-world="bella"]{--world:var(--bella);--world-soft:var(--bella-soft)}
.world-link[data-world="unterstuetzen"]{--world:var(--support);--world-soft:var(--support-soft)}

main{width:min(1180px,calc(100% - 28px));margin:0 auto 60px}
.launcher-hero{
  padding:clamp(38px,7vw,78px) 0 28px;
  max-width:880px;
}
.eyebrow{
  display:inline-block;
  text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;font-weight:900;
  color:var(--green2);
}
.launcher-hero h1,.world-hero h1{
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(2.7rem,6vw,5.2rem);
  line-height:.96;letter-spacing:-.035em;
  margin:10px 0 16px;
}
.launcher-hero p,.world-hero p{
  margin:0;color:var(--muted);font-size:1.06rem;line-height:1.7;max-width:770px;
}

.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:10px 0 38px}
.app-card{
  min-height:255px;
  display:flex;flex-direction:column;
  text-decoration:none;padding:24px;border-radius:24px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .18s ease, box-shadow .18s ease;
}
.app-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.app-icon{
  width:54px;height:54px;border-radius:17px;
  display:grid;place-items:center;margin-bottom:20px;
}
.app-icon img{width:30px;height:30px}
.app-card h2{font-family:Georgia,serif;font-size:1.55rem;margin:0 0 8px}
.app-card p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.62}
.app-arrow{margin-top:auto;padding-top:20px;font-weight:900;font-size:.82rem}

.world-listen .app-icon{background:var(--listen-soft);color:var(--listen)}
.world-listen .app-arrow{color:var(--listen)}
.world-material .app-icon{background:var(--material-soft);color:var(--material)}
.world-material .app-arrow{color:var(--material)}
.world-research .app-icon{background:var(--research-soft);color:var(--research)}
.world-research .app-arrow{color:var(--research)}
.world-outside .app-icon{background:var(--outside-soft);color:var(--outside)}
.world-outside .app-arrow{color:var(--outside)}
.world-lesen .app-icon{background:var(--journal-soft);color:var(--journal)}
.world-lesen .app-arrow{color:var(--journal)}
.world-journal .app-icon{background:var(--journal-soft);color:var(--journal)}
.world-journal .app-arrow{color:var(--journal)}
.world-notebook .app-icon{background:var(--notebook-soft);color:var(--notebook)}
.world-notebook .app-arrow{color:var(--notebook)}
.world-bella .app-icon{background:var(--bella-soft);color:var(--bella)}
.world-bella .app-arrow{color:var(--bella)}
.world-support .app-icon{background:var(--support-soft);color:var(--support)}
.world-support .app-arrow{color:var(--support)}

.home-new,.section{
  background:rgba(255,253,248,.88);border:1px solid var(--line);
  border-radius:25px;padding:clamp(20px,3.5vw,32px);box-shadow:var(--shadow-soft);
  margin:26px 0;
}
.home-new h2,.section h2,.section h3{
  font-family:Georgia,serif;
}
.home-new h2,.section>h2{font-size:clamp(1.8rem,4vw,2.8rem);margin:0 0 7px}
.home-new>p,.section-intro{color:var(--muted);margin:0 0 19px;max-width:820px}
.new-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}
.new-card{
  text-decoration:none;background:#fff;border:1px solid var(--line);
  border-radius:17px;padding:16px;display:flex;flex-direction:column;min-height:150px;
}
.new-card small{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--green2)}
.new-card h3{margin:7px 0 4px;font-family:Georgia,serif;font-size:1.25rem}
.new-card em{font-family:Georgia,serif;color:var(--muted)}
.new-card span{margin-top:auto;padding-top:12px;font-size:.75rem;font-weight:850;color:var(--green)}

.world-hero{
  margin:24px 0 20px;
  border-radius:30px;padding:clamp(30px,5vw,58px);
  background:linear-gradient(135deg,var(--world-soft),#fff);
  border:1px solid color-mix(in srgb,var(--world) 18%, var(--line));
  position:relative;overflow:hidden;
}
.world-hero::after{
  content:"";position:absolute;width:250px;height:250px;border-radius:50%;
  right:-80px;top:-110px;background:color-mix(in srgb,var(--world) 12%, transparent);
}
.world-hero .eyebrow{color:var(--world)}
.world-hero-icon{
  width:66px;height:66px;border-radius:20px;background:#fff;
  display:grid;place-items:center;color:var(--world);margin-bottom:18px;
  box-shadow:0 8px 20px color-mix(in srgb,var(--world) 12%, transparent);
}
.world-hero-icon img{width:36px;height:36px}

.subnav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.subnav a{
  text-decoration:none;border:1px solid var(--line);background:#fff;
  border-radius:999px;padding:8px 12px;font-size:.78rem;font-weight:850;
}
.subnav a:hover{border-color:color-mix(in srgb,var(--world) 45%,var(--line));color:var(--world)}

.searchrow{display:grid;grid-template-columns:1fr auto;gap:10px;margin:16px 0 10px}
.searchrow input{
  width:100%;min-width:0;padding:14px 16px;border-radius:14px;border:1px solid #bac7bd;background:#fff;outline:none;
}
.searchrow input:focus{border-color:var(--world);box-shadow:0 0 0 3px color-mix(in srgb,var(--world) 12%,transparent)}
.count{
  min-width:116px;display:grid;place-items:center;padding:0 13px;border-radius:14px;
  background:var(--world-soft);color:var(--world);font-weight:900;
}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:11px 0 20px}
.chip{
  border:1px solid #c0cbc2;background:#fff;border-radius:999px;padding:8px 12px;
  color:#46524a;cursor:pointer;font-size:.8rem;font-weight:800;
}
.chip.active{background:var(--world);border-color:var(--world);color:#fff}

.media-layout{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:15px}
.player-card{
  border-radius:21px;padding:18px;background:linear-gradient(145deg,var(--world-soft),#fff);
  border:1px solid color-mix(in srgb,var(--world) 18%,var(--line));
}
.now-playing{display:grid;grid-template-columns:84px 1fr;gap:13px;align-items:center}
.now-cover{width:84px;height:84px;border-radius:14px;object-fit:cover;background:#e6ebe4}
.now-playing small{color:var(--world);font-weight:900}
.now-playing strong{display:block;margin:4px 0;font-size:1rem}
.now-playing span{font-size:.76rem;color:var(--muted)}
.controls{display:grid;grid-template-columns:auto auto auto 1fr;gap:8px;align-items:center;margin-top:15px}
.controls button{
  border:0;border-radius:999px;height:40px;min-width:44px;background:#fff;color:var(--world);font-weight:900;cursor:pointer;
}
.controls [data-play]{width:46px;height:46px;background:var(--world);color:#fff}
.timeline{display:grid;grid-template-columns:1fr auto auto;gap:6px;align-items:center}
.timeline input{width:100%;accent-color:var(--world)}
.timeline span{font-size:.69rem;color:var(--muted)}
.audio-list{display:grid;gap:8px;max-height:640px;overflow:auto;padding-right:4px}
.audio-item{
  border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px;
  display:flex;justify-content:space-between;gap:10px;align-items:center;text-align:left;cursor:pointer;
}
.audio-item.active{background:var(--world-soft);border-color:color-mix(in srgb,var(--world) 45%,var(--line))}
.audio-item span{display:grid;gap:2px}
.audio-item small{font-size:.68rem;color:var(--world);font-weight:900}
.audio-item strong{font-size:.88rem}
.audio-item em{font-style:normal;font-size:.72rem;color:var(--muted)}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.animal-card,.material-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px;
  box-shadow:0 6px 18px rgba(37,55,43,.045);
}
.animal-card h3,.material-card h3{margin:5px 0;font-size:1.23rem}
.animal-card p,.material-card p{color:var(--muted);font-size:.84rem}
.card-label{font-size:.67rem;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:var(--world)}
.card-actions{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px}
.button{
  display:inline-flex;align-items:center;justify-content:center;text-decoration:none;
  border-radius:10px;padding:8px 11px;border:1px solid color-mix(in srgb,var(--world) 28%,var(--line));
  background:#fff;color:var(--world);font-size:.76rem;font-weight:900;
}
.button.primary{background:var(--world);color:#fff;border-color:var(--world)}
.animal-visual{
  width:calc(100% + 34px);aspect-ratio:1/1;margin:-17px -17px 14px;border-radius:18px 18px 0 0;
  display:block;background:linear-gradient(135deg,var(--world-soft),#edf1ea);
  overflow:hidden;
}
.animal-visual img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.material-links{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.material-links a{text-decoration:none;padding:6px 8px;border-radius:9px;background:var(--world-soft);font-size:.72rem;color:var(--world);font-weight:850}

.notebook-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.notebook-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.notebook-thumb{aspect-ratio:16/10;background:#e9e3d6;overflow:hidden}
.notebook-thumb img{width:100%;height:100%;object-fit:cover;object-position:top}
.notebook-body{padding:14px}
.notebook-body h3{margin:4px 0}.notebook-body em{font-family:Georgia,serif;color:var(--muted)}
.notebook-body button{margin-top:10px;border:0;border-radius:10px;background:var(--world);color:#fff;padding:8px 10px;font-weight:900;cursor:pointer}

.reader{position:fixed;inset:0;z-index:1000;background:#111813;display:none}
.reader.open{display:grid;grid-template-rows:auto 1fr auto}
.reader-top{
  background:#18221b;color:#fff;padding:9px 12px;
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;
}
.reader-title{text-align:center}.reader-title strong{display:block;font-family:Georgia,serif}.reader-title span{font-size:.75rem;color:#cad5cc}
.reader-controls{display:flex;gap:7px;align-items:center}
.reader button{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#fff;border-radius:10px;min-height:38px;padding:0 10px;cursor:pointer}
.reader-area{overflow:auto}.reader-stage{min-width:100%;min-height:100%;display:grid;place-items:center;padding:8px}
.spread{background:#c9bda4;padding:9px;border-radius:10px;display:grid;grid-template-columns:1fr 1fr;gap:4px;box-shadow:0 28px 70px rgba(0,0,0,.42)}
.spread img{width:100%;height:100%;object-fit:contain;background:#f7efdf}
.reader-bottom{text-align:center;color:#cbd5cd;background:#18221b;padding:8px;font-size:.72rem}

.tier-hero{
  display:grid;grid-template-columns:1.12fr .88fr;gap:0;
  border-radius:28px;overflow:hidden;margin:24px 0;background:linear-gradient(135deg,#eff5ea,#fff);
  border:1px solid #dce6d7;
}
.tier-copy{padding:clamp(28px,5vw,54px)}
.tier-copy h1{font-family:Georgia,serif;font-size:clamp(2.8rem,6vw,4.8rem);line-height:.95;margin:8px 0}
.tier-copy em{font-family:Georgia,serif;color:#657063}
.tier-copy p{color:var(--muted);max-width:650px}
.tier-image{width:100%;aspect-ratio:1/1;min-height:0;align-self:center;background:#dfe8da;display:grid;place-items:center;overflow:hidden}
.tier-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.tier-nav{display:flex;flex-wrap:wrap;gap:7px;margin:15px 0}.tier-nav a{text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:8px 11px;background:#fff;font-size:.76rem;font-weight:850}
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.fact{background:#f2f6ef;border-radius:13px;padding:12px}.fact b{display:block;font-size:.64rem;text-transform:uppercase;letter-spacing:.075em;color:#56704d;margin-bottom:3px}
.prose{color:#445147;line-height:1.76}
.material-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.material-tile{text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px}.material-tile strong{display:block}.material-tile span{font-size:.76rem;color:var(--muted)}
.tier-music{display:grid;grid-template-columns:1fr .55fr;gap:12px}.song-panel{background:linear-gradient(145deg,#2e5139,#4a704e);color:#fff;border-radius:18px;padding:17px}.song-panel audio{width:100%;margin-top:10px}.lyrics-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px}.lyrics-panel img{width:100%;aspect-ratio:210/297;object-fit:cover}
.book-pair{display:grid;grid-template-columns:1fr 1fr;gap:3px;background:#d1c5ac;padding:8px;border-radius:15px}.book-pair img{width:100%;aspect-ratio:210/297;object-fit:cover}
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.project-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.project-card h3{margin:4px 0}.project-card p{color:var(--muted);font-size:.84rem}

footer{margin-top:55px;background:#223d2b;color:#edf4ef}
.footer-inner{
  width:min(1180px,calc(100% - 28px));margin:auto;min-height:86px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:.78rem;color:#d8e2da;
}
.footer-inner a{color:#fff}

@media(max-width:900px){
  .app-grid{grid-template-columns:1fr 1fr}
  .world-dock-inner{display:flex;overflow-x:auto;scrollbar-width:none;padding:7px 0}.world-dock-inner::-webkit-scrollbar{display:none}.world-link{flex:0 0 auto;min-width:102px}
  .media-layout{grid-template-columns:1fr}
  .card-grid,.notebook-grid,.project-grid{grid-template-columns:1fr 1fr}
  .tier-hero,.tier-music{grid-template-columns:1fr}
  .tier-image{min-height:0;aspect-ratio:1/1}
}
@media(max-width:620px){
  .topbar-inner,main,.world-dock-inner,.footer-inner{width:calc(100% - 18px)}
  .brand small{display:none}
  .home-link span{display:none}
  .world-link{font-size:.7rem;gap:4px;padding:8px 5px}
  .world-link img{width:18px;height:18px}
  .app-grid,.card-grid,.notebook-grid,.project-grid{grid-template-columns:1fr}
  .app-card{min-height:220px}
  .searchrow{grid-template-columns:1fr}.count{min-height:42px}
  .controls{grid-template-columns:auto auto auto}.timeline{grid-column:1/-1}
  .fact-grid{grid-template-columns:1fr}
  .material-grid{grid-template-columns:1fr 1fr}
  .reader-top{grid-template-columns:1fr}.reader-title{order:-1}.reader-controls{justify-content:center}
  .footer-inner{flex-direction:column;align-items:flex-start;justify-content:center;padding:18px 0}
}