/* Platform shell only; learning-machine, book, map and exercise styles stay local. */
.platform-header{position:relative;z-index:1500;width:100%;margin:0;padding:0;background:#faf9f3;border-bottom:1px solid #d9ded8;isolation:isolate}.platform-header .nav{width:min(1240px,calc(100% - 48px));min-height:88px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:12px 0;position:relative}.platform-header .brand{display:block;flex:0 0 auto;padding:0;background:none}.platform-header .brand-logo.compact{display:block;width:150px;height:52px;object-fit:contain}.platform-header .menu-button{display:none;min-height:46px;padding:10px 16px;border:1px solid #a9b8b5;border-radius:5px;background:#fff;color:#142b36;font:650 .95rem system-ui,sans-serif;cursor:pointer}.platform-header .nav-links{position:static;display:flex;align-items:center;gap:12px;width:auto;max-width:none;padding:0;flex-direction:row;background:transparent;border:0;box-shadow:none}.platform-header .nav-links>a,.platform-learn-menu>summary{display:flex;align-items:center;gap:12px;min-height:46px;padding:10px 16px;color:#142b36;border-radius:4px;text-decoration:none;font:600 .97rem/1.5 system-ui,sans-serif;white-space:nowrap;cursor:pointer;list-style:none}.platform-learn-menu>summary::-webkit-details-marker{display:none}.platform-header .nav-links>a:hover,.platform-learn-menu>summary:hover,.platform-learn-menu[open]>summary{background:#eaf0e2;color:#142b36}.platform-header a:focus-visible,.platform-header button:focus-visible,.platform-header summary:focus-visible,.platform-context a:focus-visible,.platform-context button:focus-visible{outline:3px solid #5a7627;outline-offset:4px}.platform-learn-panel{position:absolute;top:calc(100% - 4px);right:0;width:470px;padding:25px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;border:1px solid #c7d1c8;background:#fafbf5;box-shadow:0 18px 40px #142b3622;border-radius:6px;color:#142b36}.platform-learn-panel h2{font:600 1.1rem/1.5 system-ui,sans-serif;margin:0 0 9px;letter-spacing:0}.platform-header .platform-learn-panel a{display:block;min-height:46px;padding:10px 0;font:450 1rem/1.5 system-ui,sans-serif;border-radius:0;border-bottom:1px solid #dde3d6}.platform-header .platform-learn-panel a:hover{color:#39581a;background:none;text-decoration:underline}.platform-learn-panel>p{grid-column:1/-1;font:.8rem/1.6 system-ui,sans-serif;color:#596d6c;margin:0}
.platform-context{width:min(1240px,calc(100% - 48px));margin:0 auto;padding:14px 0;display:flex;gap:16px;align-items:center;justify-content:space-between;border-bottom:1px solid #d9ded8;color:#334c52;font:500 .82rem/1.5 system-ui,sans-serif}.platform-context>div:first-child{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.platform-context a{padding:8px 0;min-height:40px;text-decoration:none}.platform-context a:hover{text-decoration:underline}.platform-context .platform-context-course{font-weight:750;color:#142b36;padding-right:16px;border-right:1px solid #c6d0c8}.platform-context-tools button{font:600 .82rem/1.4 system-ui,sans-serif;min-height:44px;padding:9px 12px;border:1px solid #aebcb2;background:#fcfcf5;color:#203d43;border-radius:4px;cursor:pointer}.platform-context-tools:empty{display:none}
.platform-home,.course-hub-page{background:#f7f5ee;color:#142b36}.platform-shell{width:min(1240px,calc(100% - 48px));margin-inline:auto}.platform-home h1,.platform-home h2,.platform-home h3,.course-hub h1,.course-hub h2,.course-hub h3{font-family:Georgia,'Times New Roman',serif;font-weight:500;color:#142b36;letter-spacing:-.035em}.platform-home p,.course-hub p{line-height:1.7}.platform-overline{font:650 .72rem/1.5 system-ui,sans-serif!important;text-transform:uppercase;letter-spacing:.13em;color:#4b655d;margin:0 0 12px}.platform-hero.hero{display:grid;grid-template-columns:1.5fr .7fr;gap:50px;padding:56px 0 48px;min-height:0;align-items:center}.platform-hero h1{font-size:clamp(2.8rem,5.4vw,4.6rem);line-height:1.07;margin:0;max-width:800px}.platform-hero h1 span{color:#142b36;background:none}.platform-brand-note{display:flex;gap:18px;align-items:center;justify-self:end;padding-top:16px}.platform-brand-note img{width:82px;height:100px;object-fit:contain}.platform-brand-note p{font:400 1rem/1.8 system-ui,sans-serif;max-width:270px;margin:0}.platform-brand-note strong{font-weight:650}.platform-resume{margin-top:22px;padding:12px 0 0;border-top:1px solid #bacbb1;max-width:450px;display:flex;flex-wrap:wrap;gap:4px 15px;font:.88rem/1.7 system-ui,sans-serif}.platform-resume span{color:#53675f}.platform-resume a{font-weight:650;text-decoration:underline;text-underline-offset:4px}
.platform-section{padding:36px 0 52px;scroll-margin-top:24px}.platform-section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:25px}.platform-section-head h2,.platform-choose h2{font-size:clamp(1.9rem,3vw,2.65rem);line-height:1.2;margin:0}.platform-section-head>p{font-size:.95rem;color:#4a6367;margin:0;max-width:36ch}.platform-anchor{display:block;position:relative;top:-24px}.platform-course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}.platform-course{min-width:0;border-top:1px solid #83978b;padding-top:22px}.platform-course header{padding-bottom:20px}.platform-course h3{font-size:2rem;line-height:1.2;margin:0 0 8px}.platform-course header>p:last-child{font-size:.95rem;color:#465e61;margin:0;max-width:53ch}.platform-course header .platform-overline{margin-bottom:6px}.platform-world-preview{display:block;position:relative;overflow:hidden;background:#142b36;border-radius:6px;color:#fffdf4;text-decoration:none}.platform-world-preview picture,.platform-world-preview img{display:block;width:100%;height:auto;aspect-ratio:1.6;object-fit:cover;object-position:center 36%}.platform-world-preview img{transition:transform .3s ease}.platform-world-caption{position:absolute;bottom:0;left:0;right:0;padding:42px 25px 22px;background:linear-gradient(transparent,#10272bea);pointer-events:none}.platform-world-caption small{display:block;font:500 .72rem/1.5 system-ui,sans-serif;letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px;color:#dce7cf}.platform-world-caption strong{display:block;font:500 clamp(1.2rem,2.1vw,1.7rem)/1.25 Georgia,serif;letter-spacing:-.02em}.platform-course-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px}.platform-path-button,.platform-home .platform-primary{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 18px;border:1px solid #142b36;border-radius:4px;background:#fffef9;color:#142b36;font:650 .94rem/1.4 system-ui,sans-serif;text-align:center;text-decoration:none;cursor:pointer;white-space:normal}.platform-path-button:hover,.platform-path-button:focus-visible{background:#e8efdc;color:#142b36}.platform-course-detail{padding:14px 0 0;font:.85rem/1.6 system-ui,sans-serif}.platform-course-detail a{color:#415d59;text-underline-offset:4px}.platform-home .platform-primary{background:#142b36;color:#fffdf5}.platform-home .platform-primary:hover{background:#304a50}.platform-home :focus-visible,.course-hub :focus-visible{outline:3px solid #5a7627;outline-offset:4px}.platform-home .platform-world-preview:focus-visible,.course-hub .platform-world-preview:focus-visible{outline-offset:4px}
.platform-choose{display:grid;grid-template-columns:.9fr 1.3fr;gap:40px;border-top:1px solid #c6d1c8;border-bottom:1px solid #c6d1c8;padding:40px 0}.platform-choose>div>p:last-child{font-size:.94rem;color:#4a6367;margin-bottom:0}.platform-select-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.platform-select-row label{display:flex;flex-direction:column;gap:7px;font:600 .85rem/1.5 system-ui,sans-serif}.platform-select-row select{min-width:0;min-height:50px;padding:11px 14px;border:1px solid #a8b9af;border-radius:4px;background:#fffef9;color:#142b36;font:500 1rem/1.5 system-ui,sans-serif;width:100%}.platform-select-row .platform-primary{grid-column:1/-1;justify-self:start}.platform-preference-actions{display:flex;gap:10px 18px;align-items:center;flex-wrap:wrap;margin-top:18px}.platform-preference-actions button{font:550 .82rem/1.6 system-ui,sans-serif;min-height:44px;padding:8px 0;border:0;background:none;color:#354f43;text-decoration:underline;text-underline-offset:4px;cursor:pointer}.platform-preference-actions p{width:100%;font-size:.78rem;line-height:1.7;color:#5d706c;margin:0}
.platform-current{padding-top:40px}.platform-current-item{display:flex;justify-content:space-between;align-items:center;gap:28px;background:#eaf0dd;border-left:3px solid #79934a;padding:25px 28px}.platform-current-item h3{font-size:1.5rem;line-height:1.25;margin:0 0 8px}.platform-current-item p{font-size:.95rem;margin:0;max-width:67ch}.platform-current-item .platform-overline{margin-bottom:6px}.platform-current-item .platform-path-button{flex:0 0 auto}.platform-other-list{border-top:1px solid #c6d1c8}.platform-other-list article{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:25px 0;border-bottom:1px solid #c6d1c8}.platform-other-list h3{font-size:1.5rem;margin:0 0 8px}.platform-other-list .platform-overline{margin-bottom:5px}.platform-other-list p{max-width:69ch;font-size:.93rem;color:#4a6367;margin:0}.platform-other-list article>a{flex:0 0 auto;font-size:.9rem;font-weight:650;text-underline-offset:5px;padding:12px 0}.platform-progress{padding-top:24px}.platform-progress-list{border-top:1px solid #c6d1c8}.platform-progress-list article{display:grid;grid-template-columns:1.4fr 1fr;gap:35px;padding:28px 0;border-bottom:1px solid #c6d1c8}.platform-progress-list h3{font-size:1.5rem;margin:0 0 12px}.platform-progress-list ul{list-style:none;padding:0;margin:0;line-height:1.9;font-size:.95rem}.platform-progress-list p{font-size:.95rem}.platform-progress-note{color:#4a6367}.platform-progress-links{display:flex;flex-direction:column;gap:12px;align-items:flex-start;justify-content:center;font-size:.92rem;font-weight:650}.platform-progress-links a{padding:8px 0;text-underline-offset:5px;min-height:40px}.platform-storage-note{font:.8rem/1.8 system-ui,sans-serif;color:#5a6d6b;max-width:92ch;margin:25px 0 0}.platform-footer{background:#edece4;border-top:1px solid #c6d1c8;padding:24px 0;color:#405c60}.platform-footer>div{display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:.8rem}.platform-footer p{margin:0}.platform-footer span{margin-left:18px}.platform-footer a{white-space:nowrap;padding:10px 0}
.course-hub{padding:36px 0}.course-hub-title{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}.course-hub-title h1{font-size:clamp(2.2rem,4.6vw,3.5rem);line-height:1.12;margin:0 0 14px}.course-hub-title>div>p:last-child{font-size:1rem;max-width:66ch;margin:0;color:#4c6264}.platform-inline-link{font:550 .85rem/1.7 system-ui,sans-serif;color:#415d59;flex-shrink:0;text-underline-offset:4px}.platform-hub-current{padding:0 0 28px}.platform-hub-current>h2{font:650 .85rem/1.5 system-ui,sans-serif;letter-spacing:0;margin:0 0 12px}.course-hub-ways{display:grid;grid-template-columns:1fr 1fr;gap:36px;scroll-margin-top:25px}.course-hub-classic{padding:27px;background:#fffdf6;border:1px solid #c5d0c4;border-radius:6px}.course-hub h2{font-size:1.8rem;line-height:1.22;margin:0 0 15px}.course-hub-classic>p:not(.platform-overline){font-size:.95rem;color:#4b6464;margin:0 0 20px}.course-module-links{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.course-module-links li{min-width:0;border-top:1px solid #d2dccc}.course-module-links a{display:flex;align-items:center;min-height:48px;padding:10px 0;font:.88rem/1.55 system-ui,sans-serif;text-underline-offset:4px}.course-hub-world{border-bottom:1px solid #aebead;display:flex;flex-direction:column}.course-hub-world .platform-world-preview picture,.course-hub-world .platform-world-preview img{aspect-ratio:2.2}.course-hub-world>div{padding:22px 0}.course-hub-world>div>p:not(.platform-overline){font-size:.94rem;color:#4b6464;margin:0 0 20px}.course-hub-world h2{font-size:1.75rem}.course-world-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;font-size:.85rem}.hub-progress-access{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid #c6d1c8;font:.82rem/1.7 system-ui,sans-serif;color:#4a6367}.hub-progress-access p{margin:0;font-size:.82rem}.hub-progress-access a{flex-shrink:0}.course-hub-page #bereiche .area-card{border-radius:8px;background:#fffdf6;border:1px solid #c5d0c4;box-shadow:none}.course-hub-page #bereiche .area-icon{background:#e7efda;color:#335344;border-radius:4px}.course-hub-page .test-panel{border-radius:8px}
@media(hover:hover) and (prefers-reduced-motion:no-preference){.platform-world-preview:hover img{transform:scale(1.018)}}
@media(max-width:1000px){.platform-hero.hero{gap:25px;padding:40px 0}.platform-brand-note{display:block;max-width:230px}.platform-brand-note img{width:66px;height:78px;margin-bottom:12px}.platform-brand-note p{font-size:.86rem}.platform-course-grid{gap:24px}.platform-course header>p:last-child{font-size:.9rem}.platform-course-actions{gap:8px}.platform-path-button{padding:11px 10px;font-size:.87rem}.platform-choose{grid-template-columns:.8fr 1fr;gap:28px}.course-hub-title{display:block}.platform-inline-link{display:inline-block;margin-top:18px}.course-hub-ways{gap:24px}.course-hub-classic{padding:22px}.course-module-links{grid-template-columns:1fr}.course-hub-world .platform-world-preview picture,.course-hub-world .platform-world-preview img{aspect-ratio:1.7}}
@media(max-width:700px){.platform-header .nav{width:calc(100% - 32px);min-height:76px;padding:10px 0;gap:16px}.platform-header .brand-logo.compact{width:128px;height:46px}.platform-header .menu-button{display:block}.platform-header .nav-links{display:none;position:absolute;top:100%;right:0;width:min(420px,calc(100vw - 32px));padding:12px;background:#fafbf5;border:1px solid #c2cfc2;border-radius:5px;box-shadow:0 16px 32px #142b3625;flex-direction:column;align-items:stretch;gap:3px}.platform-header .nav-links.open{display:flex}.platform-learn-panel{position:static;width:auto;border:0;box-shadow:none;padding:14px 16px;gap:22px;background:#edf2e4}.platform-learn-panel h2{font-size:1rem}.platform-header .nav-links>a,.platform-learn-menu>summary{padding:12px;min-height:48px}.platform-context{width:calc(100% - 32px);padding:10px 0;gap:7px;flex-wrap:wrap;font-size:.76rem}.platform-context>div:first-child{gap:10px}.platform-context .platform-context-course{padding-right:10px}.platform-context a{min-height:40px;padding:8px 0}.platform-shell{width:calc(100% - 36px)}.platform-hero.hero{grid-template-columns:1fr;gap:24px;padding:33px 0 30px}.platform-hero h1{font-size:clamp(2.6rem,10vw,3.7rem)}.platform-brand-note{display:flex;justify-self:start;max-width:none;padding:0;gap:12px}.platform-brand-note img{width:48px;height:58px;margin:0}.platform-brand-note p{font-size:.84rem}.platform-section{padding:27px 0 36px}.platform-section-head{align-items:start;gap:12px;flex-direction:column;margin-bottom:22px}.platform-section-head h2,.platform-choose h2{font-size:2rem}.platform-section-head>p{font-size:.85rem}.platform-section-head>p br{display:none}.platform-course-grid{grid-template-columns:1fr;gap:32px}.platform-course{padding-top:20px}.platform-course h3{font-size:1.9rem}.platform-course header{padding-bottom:16px}.platform-world-caption{padding:35px 18px 17px}.platform-world-caption strong{font-size:1.4rem}.platform-path-button{min-height:50px}.platform-course-actions{gap:10px;margin-top:12px}.platform-choose{display:block;padding:30px 0}.platform-course-selector{margin-top:24px}.platform-preference-actions{gap:0 15px}.platform-current-item{display:block;padding:20px}.platform-current-item .platform-path-button{margin-top:20px}.platform-current-item h3{font-size:1.45rem}.platform-other-list article{display:block;padding:22px 0}.platform-other-list article>a{display:inline-flex;margin-top:12px;min-height:44px}.platform-progress-list article{grid-template-columns:1fr;gap:0;padding:24px 0}.platform-progress-links{display:flex;flex-flow:row wrap;gap:6px 22px}.platform-progress-links a{font-size:.84rem}.platform-footer>div{align-items:start}.platform-footer span{display:block;margin:7px 0 0}.course-hub{padding:28px 0}.course-hub-ways{grid-template-columns:1fr}.course-hub-world{margin-top:4px}.course-hub-classic{padding:22px}.course-module-links{grid-template-columns:repeat(2,minmax(0,1fr))}.hub-progress-access{display:block}.hub-progress-access a{display:inline-flex;padding:10px 0;margin-top:8px}.platform-select-row{gap:12px}.platform-select-row .platform-primary{width:100%}}
@media(prefers-reduced-motion:reduce){.platform-home,.course-hub-page{scroll-behavior:auto}.platform-world-preview img{transition:none;transform:none}.platform-home *,.platform-header *{scroll-behavior:auto!important}}
/* Choose a learning route before the imagery; neither route depends on scrolling past it. */
.platform-course{display:flex;flex-direction:column}.platform-course>header{flex:1}.platform-course header>p:last-child{max-width:none}.platform-course header .platform-current-link{font:.84rem/1.65 system-ui,sans-serif;margin:12px 0 0;color:#344f3f}.platform-course-actions{margin:0 0 16px;flex-shrink:0}.platform-course.text-only .platform-course-actions{grid-template-columns:1fr}.platform-course .platform-world-preview picture,.platform-course .platform-world-preview img{aspect-ratio:1.85}.platform-nojs-courses{display:grid;gap:12px}.platform-nojs-courses a{padding:10px 0;min-height:44px}
@media(min-width:1001px){.platform-header .nav{min-height:80px;padding:10px 0}.platform-hero.hero{padding:36px 0 30px}.platform-hero h1{font-size:clamp(2.8rem,4.9vw,4rem)}#lernpfade.platform-section{padding-top:22px}.platform-course header{padding-bottom:18px}}
.course-hub .platform-hub-current>h2{font:650 .84rem/1.5 system-ui,sans-serif;letter-spacing:.06em;text-transform:uppercase}.course-hub-page #bereiche .area-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.course-hub-page #bereiche .area-card{min-width:0}.course-hub-page #bereiche .area-card h2{font:500 clamp(1.35rem,1.75vw,1.75rem)/1.25 Georgia,serif;letter-spacing:-.025em;margin:25px 0 14px;hyphens:auto;overflow-wrap:anywhere}.course-hub-page #bereiche>header h2{font:500 clamp(1.8rem,3vw,2.4rem)/1.25 Georgia,serif;letter-spacing:-.025em}.course-hub-page .test-panel{width:min(1120px,calc(100% - 36px));margin:36px auto}
@media(max-width:850px){.course-hub-page #bereiche .area-grid{grid-template-columns:1fr}.course-hub-page #bereiche .area-card{min-height:0}.course-hub-page #bereiche .area-card h2{font-size:1.65rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}}