/* Lernen & Hilfe: the learning page's own styles, only inside .learn (lernen.html).
   Ported from the design mock (UniversalTranslator/docs/Brand_Identity_Roadmap_2027/Tutorials/mock)
   on 30 Oct 2026: colours mapped to the site's tokens, the mock's header, footer, dark theme and
   simulated workspace left out. Edit here; the mock is only the reference. */
@font-face{font-family:Spline;src:url('fonts/spline-mono.woff2') format('woff2');font-weight:400 700;font-display:swap}
@font-face{font-family:Albert;src:url('fonts/albert-sans.woff2') format('woff2');font-weight:400 800;font-display:swap}
.learn{--bg:var(--c-bg);--surface:var(--c-white);--soft:var(--c-bg-alt);--ink:var(--c-ink);--body:var(--c-ink-2);--faint:#75827c;--line:var(--c-border);--teal:var(--c-teal-dark);--teal-dark:var(--c-teal-deep);--mint:#36d1b2;--wash:var(--c-bg-teal);--warm:#e7e0d2;--shadow:0 12px 35px #183b2d08;--serif:Georgia,serif;--player:var(--c-teal-deep)}
.learn *{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
.learn{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 var(--f-body)}
.learn button,.learn input,.learn select{font:inherit}
.learn button,.learn a{-webkit-tap-highlight-color:transparent}
.learn button{cursor:pointer}
.learn a{color:inherit;text-decoration:none}
.learn button{color:inherit}
.learn button:focus-visible,.learn a:focus-visible,.learn input:focus-visible,.learn summary:focus-visible{outline:3px solid #d39e55;outline-offset:5px}
.learn button:disabled{cursor:default;opacity:.5}
.learn h1,.learn h2,.learn h3,.learn p{margin:0}
.learn h1,.learn h2,.learn h3{line-height:1.12;letter-spacing:-.04em;font-weight:620}
.learn h1{font-size:clamp(38px,4.4vw,62px)}
.learn h2{font-size:32px}
.learn h3{font-size:23px}
.learn svg{width:20px;height:20px;stroke-width:1.7;flex-shrink:0}
.learn button{border:0;background:none}
.learn img{max-width:100%}
.learn a,.learn button{touch-action:manipulation}
.learn [hidden]{display:none!important}

/* The site's global rules (styles.css) reach into this area; these undo the ones that change the mock's look. */
.learn{display:block;background:var(--bg);color:var(--ink);font:17px/1.55 var(--f-body)}
.learn p,.learn strong{color:inherit}
.learn strong{font-weight:700}
.learn h1,.learn h2,.learn h3{color:inherit;font-family:var(--f-body)}
.learn svg{display:inline-block;vertical-align:-.18em}
.learn .learn-hero h1 em{font-style:italic}
.learn .lesson-sidebar{top:92px}
.learn .learn-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}

/* Recorded chapters */
.learn .chapter-player video{display:block;width:100%;aspect-ratio:16/9;background:#000}
.learn .player-flag{color:#f3c27a}
.learn .video-mark{display:inline-flex;align-items:center;gap:5px;color:var(--teal);font:10px Spline,Consolas,monospace;letter-spacing:.6px}
.learn .video-mark svg{width:12px;height:12px}
.learn .side-chapter .video-mark{margin-top:3px}
.learn .review-banner{margin:18px 0 0;padding:10px 14px;border:1px dashed #d39e55;border-radius:8px;background:#fdf6ea;color:#6b4a1c;font-size:13px}

.learn .icon-button{width:37px;height:37px;border:1px solid var(--line);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--surface)}
.learn .button{display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:13px 20px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-weight:580;line-height:1.4;background:var(--surface);min-height:46px}
.learn .button.primary{background:var(--teal);color:var(--bg);border-color:var(--teal)}
.learn .button:hover{filter:brightness(.96)}
.learn .button svg{width:17px;height:17px}
.learn .learn-eyebrow{font:10px/1.5 Spline,Consolas,monospace;color:var(--teal);letter-spacing:1.8px;text-transform:uppercase}
.learn .learn-container{max-width:1250px;padding:0 28px;margin:auto}
.learn .learn-hero{display:grid;grid-template-columns:1.17fr 1fr;gap:70px;padding:59px 0 40px;align-items:center}
.learn .learn-hero h1{margin:15px 0 20px;max-width:650px}
.learn .learn-hero h1 em{font-family:var(--serif);font-weight:400;color:var(--teal-dark)}
.learn .learn-hero-copy>p{max-width:510px;font-size:17px;color:var(--body);line-height:1.65}
.learn .search-zone{padding:8px 0 42px}
.learn .search-box{display:flex;align-items:center;gap:14px;border:1px solid var(--line);background:var(--surface);padding:17px 19px;border-radius:11px;box-shadow:var(--shadow)}
.learn .search-box>svg{color:var(--teal);width:22px;height:22px}
.learn .search-box input{width:100%;border:0;background:none;color:var(--ink);padding:0;outline:none;min-width:0;font-size:16px;line-height:1.5}
.learn .search-box:focus-within{outline:2px solid var(--teal);outline-offset:2px}
.learn .search-box input:focus-visible{outline:none}
.learn .search-box input::placeholder{color:var(--faint)}
.learn .keycap{border:1px solid var(--line);border-radius:4px;padding:0 7px;font:11px Spline;line-height:25px;color:var(--faint)}
.learn .search-clear{display:flex;padding:0;color:var(--faint)}
.learn .section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.learn .section-heading h2{font-size:27px;letter-spacing:-.025em}
.learn .section-heading p{font-size:13px;color:var(--faint);margin-top:5px}
.learn .topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 27px}
.learn .topic-card{display:block;border-radius:12px;position:relative}
.learn .topic-card .art{transition:transform .2s,box-shadow .2s}
.learn .topic-card:hover .art{transform:translateY(-3px);box-shadow:0 12px 24px #183a3612}
.learn .topic-card h3{font-size:21px;margin-top:16px;letter-spacing:-.025em;display:flex;align-items:center;justify-content:space-between}
.learn .topic-card h3>svg{opacity:0;transform:translateX(-4px);transition:.2s;color:var(--teal);width:17px;height:17px}
.learn .topic-card:hover h3>svg{opacity:1;transform:none}
.learn .topic-card>p{font-size:14px;line-height:1.55;color:var(--body);margin-top:9px;max-width:350px}
.learn .topic-meta{font:10px Spline,monospace;letter-spacing:.1px;color:var(--faint);margin-top:13px;display:flex;gap:9px;align-items:center}
.learn .meta-dot{width:3px;height:3px;border-radius:100%;background:var(--faint)}
.learn .topic-number{position:absolute;top:15px;left:17px;z-index:2;font:10px Spline,monospace;color:#527269;letter-spacing:1px}
.learn .art{height:210px;background:#e7eee8;border:1px solid #d9e4da;border-radius:12px;position:relative;overflow:hidden;isolation:isolate;font-family:Albert,Arial,sans-serif}
.learn .art:before{content:'';position:absolute;width:260px;height:260px;border:1px solid #96b4a338;border-radius:50%;right:-62px;top:-74px;z-index:-1}
.learn .art:after{content:'';position:absolute;left:0;right:0;bottom:0;height:38%;background:linear-gradient(0deg,#c3d6c540,transparent);z-index:-1}
.learn .art-invite{background:#e5e8dd}
.learn .art-live{background:#dce9e6}
.learn .art-quality{background:#eee9e1}
.learn .art-team{background:#e5e9ec}
.learn .art-account{background:#e9eadf}
.learn .mini-host{position:absolute;top:48px;left:13%;width:69%;height:135px;background:#0e1b23;border:1px solid #465a5d;border-radius:9px;box-shadow:0 12px 19px #24473726;padding:12px;color:#dce9e5;transform:rotate(-3deg);font-size:9px;line-height:1.3}
.learn .mini-toolbar{display:flex;gap:4px;align-items:center;margin-bottom:15px}
.learn .mini-toolbar>span{width:4px;height:4px;border-radius:50%;background:#5f7c7d}
.learn .mini-toolbar>small{font-size:7px;letter-spacing:.6px;color:#8aa49d;margin-left:auto}
.learn .mini-label{font-size:7px;color:#86a199;letter-spacing:.7px;text-transform:uppercase}
.learn .mini-title{font-size:13px;color:#3ed6b5;margin:5px 0 10px}
.learn .mini-btn{height:19px;background:#3ed6b5;border-radius:4px;color:#11342c;font-size:7px;font-weight:700;display:flex;align-items:center;justify-content:center}
.learn .mini-lines{display:grid;gap:5px;margin-top:10px}
.learn .mini-lines>span{height:4px;background:#30454c;border-radius:2px}
.learn .mini-lines>span:last-child{width:60%}
.learn .mini-phone{width:76px;height:137px;background:#10232a;border:3px solid #587c71;border-radius:14px;position:absolute;right:12%;top:54px;box-shadow:0 10px 18px #24473725;transform:rotate(7deg);padding:13px 7px;color:#dbece5}
.learn .mini-notch{position:absolute;top:4px;left:23px;width:23px;height:3px;border-radius:2px;background:#46625a}
.learn .mini-phone .mini-label{font-size:5px;letter-spacing:.5px}
.learn .mini-dial{width:44px;height:44px;border:5px solid #2a514a;border-top-color:#3ed6b5;border-right-color:#3ed6b5;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:6px;color:#bde2d4;margin:13px auto}
.learn .mini-phone .mini-btn{height:13px;font-size:5px}
.learn .mini-phone .mini-lines{gap:3px}
.learn .mini-phone .mini-lines>span{height:2px}
.learn .mini-chip{font:8px Albert,sans-serif;background:#fff;color:#31584c;box-shadow:0 5px 15px #42664f18;border:1px solid #b2cabc;border-radius:20px;position:absolute;padding:6px 10px;z-index:2;display:flex;align-items:center;gap:5px}
.learn .mini-chip svg{width:10px;height:10px}
.learn .chip-one{top:41px;right:16%}
.learn .chip-two{bottom:21px;left:13%}
.learn .mini-qr{position:absolute;left:17%;top:48px;width:110px;height:128px;transform:rotate(-7deg);padding:13px;background:#fafbf6;border-radius:8px;border:1px solid #c6d2c4;box-shadow:0 10px 17px #24473720;display:flex;align-items:center;flex-direction:column;gap:8px;color:#1c4f42;font-size:9px}
.learn .mini-qr svg{width:65px;height:65px;stroke-width:1.2}
.learn .art-invite .mini-phone{right:22%;width:86px;top:37px;height:153px}
.learn .language-mini{display:grid;gap:5px;margin-top:12px}
.learn .language-mini span{font-size:7px;padding:5px;background:#243c42;border:1px solid #406359;border-radius:4px}
.learn .language-mini span:first-child{border-color:#3ed6b5;color:#3ed6b5}
.learn .art-live .mini-host{width:77%;left:12%;top:49px;transform:rotate(-3deg);height:144px}
.learn .mini-stats{display:flex;gap:8px;color:#d7eae1;font:12px Spline,monospace;margin-bottom:11px}
.learn .mini-stats span{flex:1;background:#21343a;padding:7px 5px;text-align:center;border-radius:3px}
.learn .mini-wave{height:16px;display:flex;align-items:center;gap:3px}
.learn .mini-wave span{height:12px;flex:1;border-radius:1px;background:#3ed6b5}
.learn .mini-wave span:nth-child(n+10){background:#365157}
.learn .floating-sound{position:absolute;right:18px;top:31px;border-radius:50%;background:#eef7ec;color:#23664f;border:1px solid #a6c7b5;width:47px;height:47px;display:grid;place-items:center;box-shadow:0 7px 20px #245c3320}
.learn .floating-sound svg{width:23px;height:23px}
.learn .word-sheet{position:absolute;top:43px;left:18%;width:64%;height:144px;background:#fcfaf4;border:1px solid #d4d1bd;border-radius:7px;box-shadow:0 9px 18px #634f3420;transform:rotate(-4deg);padding:15px 17px;color:#395a4d}
.learn .word-sheet .mini-label{color:#85886d;font-size:6px}
.learn .word-sheet strong{display:block;font-size:14px;margin:12px 0 7px;font-weight:600}
.learn .word-row{display:flex;justify-content:space-between;font-size:8px;border-bottom:1px solid #dfe4d7;padding:6px 0}
.learn .word-row span:last-child{color:#2b8a70}
.learn .art-quality .mini-chip{right:10%;top:38px;background:#143b32;color:#ceecdc;border-color:#466d53}
.learn .art-team .mini-host{left:15%;top:47px;width:64%;height:144px}
.learn .avatar-row{display:flex;margin:15px 0 10px}
.learn .avatar-row span{width:25px;height:25px;border-radius:50%;background:#d5e0cb;border:2px solid #172b30;margin-right:-4px;display:grid;place-items:center;color:#254f41;font-size:8px}
.learn .avatar-row span:nth-child(2){background:#cfdeeb}
.learn .avatar-row span:nth-child(3){background:#e4d9bd}
.learn .art-team .mini-phone{right:16%;top:76px;height:114px;width:66px}
.learn .art-team .mini-chip{bottom:21px;left:10%;top:auto}
.learn .receipt-sheet{position:absolute;left:22%;top:40px;width:59%;height:153px;background:#fbfbf3;border:1px solid #d3d9c5;border-radius:7px;transform:rotate(4deg);padding:16px 18px;box-shadow:0 9px 18px #395a3420;color:#2d5140}
.learn .receipt-sheet .mini-label{color:#78836e}
.learn .receipt-sheet>strong{font-size:24px;font-weight:500;line-height:1.3;display:block;margin:11px 0 3px}
.learn .receipt-sheet .word-row{font-size:7px}
.learn .art-account .mini-chip{left:13%;bottom:25px;top:auto}
.learn .support-section{margin:43px 0 65px;border:1px solid var(--line);background:var(--wash);padding:27px 31px;border-radius:12px;display:grid;grid-template-columns:1.05fr 1fr;gap:25px;align-items:center}
.learn .support-section h2{font-size:24px;margin:8px 0 9px}
.learn .support-section p{font-size:14px;color:var(--body);max-width:480px}
.learn .support-options{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.learn .support-options a{padding:11px 14px;background:var(--surface);border:1px solid var(--line);border-radius:7px;font-size:13px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.learn .support-options svg{width:14px;height:14px;color:var(--teal)}
.learn .support-options a:hover{border-color:var(--teal)}
.learn .support-all{font-size:12px;margin-top:14px;color:var(--teal);display:inline-flex;align-items:center;gap:6px}
.learn .support-all svg{width:14px;height:14px}
.learn .learn-crumbs{display:flex;align-items:center;gap:11px;color:var(--faint);font-size:12px;margin:29px 0}
.learn .learn-crumbs a{color:var(--body)}
.learn .learn-crumbs a:hover{color:var(--teal)}
.learn .learn-crumbs svg{width:13px;height:13px}
.learn .chapter-list{border-top:1px solid var(--line);margin-bottom:55px}
.learn .chapter-row{padding:22px 7px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:55px 1fr auto;gap:19px;align-items:center}
.learn .chapter-row:hover{background:var(--wash)}
.learn .chapter-row .row-number{font:12px Spline;color:var(--faint)}
.learn .chapter-row h2{font-size:21px;letter-spacing:-.02em}
.learn .chapter-row p{font-size:14px;color:var(--body);margin-top:6px;max-width:800px}
.learn .row-end{display:flex;align-items:center;gap:23px;color:var(--faint);font-size:12px}
.learn .row-end svg{color:var(--teal);width:18px;height:18px}
.learn .search-results{min-height:450px;margin-top:10px}
.learn .search-results h1{font-size:34px;margin-bottom:12px}
.learn .search-summary{color:var(--body);font-size:14px;margin-bottom:25px}
.learn .search-results mark{background:#d6e7c4;color:#18342a;border-radius:2px;padding:0 1px}
.learn .empty-state{padding:45px 0 65px;max-width:620px}
.learn .empty-state h2{font-size:27px;margin:0 0 15px}
.learn .empty-state p{color:var(--body);margin-bottom:20px}
.learn .chapter-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:30px;align-items:start;margin-top:22px}
.learn .chapter-main{min-width:0}
.learn .lesson-sidebar{position:sticky;top:20px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:20px 13px}
.learn .lesson-sidebar h2{font-size:17px;letter-spacing:-.02em;padding:0 7px}
.learn .lesson-sidebar>p{font-size:11px;color:var(--faint);margin:5px 7px 15px}
.learn .side-chapter{display:grid;grid-template-columns:33px 1fr;gap:9px;align-items:center;border:1px solid transparent;border-radius:7px;padding:11px 8px;margin:2px 0}
.learn .side-chapter.active{border-color:#b0d7c2;background:var(--wash)}
.learn .side-chapter:hover{background:var(--soft)}
.learn .side-chapter .side-id{font:10px Spline;color:var(--faint)}
.learn .side-chapter strong{font-size:12px;font-weight:550;line-height:1.35;display:block}
.learn .side-chapter small{font-size:10px;color:var(--faint);display:block;margin-top:3px}
.learn .side-caption{margin:15px 8px 0;padding-top:13px;border-top:1px solid var(--line);font-size:10px;color:var(--faint)}
.learn .chapter-player{border-radius:12px;background:var(--player);overflow:hidden;color:#e6f5eb;position:relative;border:1px solid #1e4b40}
.learn .player-meta{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;font:9px Spline;letter-spacing:1.1px;color:#a7cfba}
.learn .player-stage{height:300px;position:relative;display:flex;align-items:center;justify-content:center;padding:22px}
.learn .player-stage .art{width:100%;max-width:620px;height:270px;background:radial-gradient(ellipse at 50% 50%,#3e695b65,transparent 65%);border:0;border-radius:0}
.learn .player-stage .art .mini-host{width:65%;left:9%;top:53px;height:180px;padding:18px;transform:rotate(-3deg)}
.learn .player-stage .art .mini-toolbar{margin-bottom:16px}
.learn .player-stage .art .mini-title{font-size:17px;margin-bottom:17px}
.learn .player-stage .art .mini-label{font-size:9px}
.learn .player-stage .art .mini-btn{height:29px;font-size:9px}
.learn .player-stage .art .mini-phone{width:107px;height:198px;right:13%;top:37px;padding:22px 12px;border-radius:19px}
.learn .player-stage .art .mini-phone .mini-label{font-size:7px}
.learn .player-stage .art .mini-dial{width:64px;height:64px;margin:17px auto;font-size:8px;border-width:7px}
.learn .player-stage .art .mini-phone .mini-btn{height:18px;font-size:7px}
.learn .player-stage .art .mini-notch{left:34px;width:32px}
.learn .player-stage .art .mini-lines{gap:7px}
.learn .player-stage .art .mini-lines>span{height:5px}
.learn .player-stage .art .mini-wave{margin-top:18px}
.learn .player-stage .art .mini-phone .mini-lines{gap:5px}
.learn .player-stage .art .mini-phone .mini-lines>span{height:3px}
.learn .player-stage .art .mini-chip{font-size:10px;padding:8px 13px}
.learn .player-stage .art .chip-one{top:35px;right:22%}
.learn .player-stage .art .chip-two{bottom:18px;left:13%}
.learn .player-stage .art .word-sheet{top:28px;height:210px;padding:26px}
.learn .player-stage .art .word-row{font-size:12px;padding:9px 0}
.learn .player-stage .art .word-sheet strong{font-size:23px}
.learn .player-stage .art .mini-qr{width:150px;height:195px;top:28px;padding:22px}
.learn .player-stage .art .mini-qr svg{width:95px;height:95px}
.learn .player-stage .art .receipt-sheet{height:220px;top:28px}
.learn .player-stage .art .receipt-sheet>strong{font-size:35px}
.learn .player-stage .art .receipt-sheet .word-row{font-size:11px}
.learn .player-stage .art .avatar-row span{width:35px;height:35px;font-size:12px}
.learn .player-stage .art .floating-sound{width:65px;height:65px;top:43px;right:8%}
.learn .player-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(0deg,#0b272d0d,#0b272d14);pointer-events:none}
.learn .preview-button{pointer-events:auto;border:1px solid #d4ede199;background:#f2fff020;width:65px;height:65px;border-radius:50%;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px);color:#edfaf2;box-shadow:0 5px 20px #08251f33}
.learn .preview-button svg{width:25px;height:25px;margin-left:3px}
.learn .player-bottom{padding:15px 22px 19px;border-top:1px solid #3f665b66;display:flex;align-items:center;justify-content:space-between;gap:15px}
.learn .player-bottom>div{min-width:0}
.learn .player-bottom strong{display:block;font-size:15px;font-weight:550}
.learn .player-bottom p{font-size:10px;color:#a7caba;margin-top:4px}
.learn .preview-stepper{display:flex;gap:6px;align-items:center}
.learn .preview-stepper span{width:17px;height:4px;border-radius:4px;background:#4b7165}
.learn .preview-stepper span.current{background:#80dfb6}
.learn .preview-caption{background:#0c2d28;padding:14px 22px;display:flex;align-items:center;gap:15px;min-height:74px}
.learn .preview-caption .step-label{font:10px Spline;color:#8bd4b3;white-space:nowrap}
.learn .preview-caption p{font-size:14px}
.learn .preview-controls{display:flex;justify-content:space-between;padding:13px 22px;background:#0c2d28}
.learn .preview-controls button{font-size:12px;display:flex;align-items:center;gap:7px;color:#bce4cf}
.learn .preview-controls svg{width:16px;height:16px}
.learn .chapter-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin:27px 0 17px}
.learn .chapter-title-row h1{font-size:35px;letter-spacing:-.035em;margin-top:8px}
.learn .chapter-title-row .button{font-size:11px;white-space:nowrap;padding:10px 13px}
.learn .chapter-description{color:var(--body);font-size:16px;margin-bottom:27px;max-width:720px}
.learn .answer{border-top:1px solid var(--line);padding-top:22px;margin:0 0 31px}
.learn .answer h2{font-size:20px;letter-spacing:-.02em;margin-bottom:10px}
.learn .answer p{font-size:16px;line-height:1.7}
.learn .instructions{list-style:none;padding:0;margin:23px 0 27px;display:grid;gap:24px}
.learn .instructions li{display:grid;grid-template-columns:30px 1fr;gap:15px}
.learn .step-number{width:28px;height:28px;border:1px solid #b7d5c4;background:var(--wash);color:var(--teal);display:flex;align-items:center;justify-content:center;border-radius:50%;font:11px Spline;margin-top:2px}
.learn .instructions h3{font-size:17px;letter-spacing:-.015em;line-height:1.4;margin-bottom:4px}
.learn .instructions p{font-size:14px;color:var(--body);line-height:1.65}
.learn .chapter-note{border-left:2px solid var(--teal);padding:3px 0 3px 17px;margin:30px 0;color:var(--body);font-size:14px}
.learn .chapter-faq{margin:32px 0}
.learn .chapter-faq h2{font-size:20px;margin-bottom:14px;letter-spacing:-.02em}
.learn .chapter-faq details{border-top:1px solid var(--line);padding:15px 0}
.learn .chapter-faq details:last-child{border-bottom:1px solid var(--line)}
.learn .chapter-faq summary{font-size:14px;cursor:pointer}
.learn .chapter-faq details p{font-size:14px;color:var(--body);margin-top:12px;line-height:1.65}
.learn .chapter-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}
.learn .chapter-actions .button{font-size:12px}
.learn .related{border-top:1px solid var(--line);padding:27px 0}
.learn .related h2{font-size:19px;letter-spacing:-.02em;margin-bottom:13px}
.learn .related-links{display:flex;flex-wrap:wrap;gap:10px}
.learn .related-links a{display:inline-flex;align-items:center;gap:10px;font-size:12px;padding:10px 13px;background:var(--wash);border-radius:6px;color:var(--teal)}
.learn .related-links svg{width:14px;height:14px}
.learn .chapter-nextprev{display:grid;grid-template-columns:1fr 1fr;gap:17px;margin:15px 0 50px}
.learn .chapter-nextprev a{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:17px;font-size:13px}
.learn .chapter-nextprev span{display:block;color:var(--faint);font-size:10px;margin-bottom:5px}
.learn .chapter-nextprev a:last-child{text-align:right}
.learn dialog{padding:28px;border:1px solid var(--line);border-radius:15px;background:var(--surface);color:var(--ink);max-width:530px;width:calc(100% - 35px);box-shadow:0 20px 90px #0003}
.learn dialog::backdrop{background:#10292080;backdrop-filter:blur(4px)}
.learn .dialog-head{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px}
.learn dialog h2{font-size:32px;margin-bottom:15px}
.learn dialog>p{font-size:15px;color:var(--body);margin-bottom:24px}
.learn dialog p.dialog-note{font-size:11px;color:var(--faint);margin:18px 0 0}
.learn .toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:30;background:#123e34;color:#e6f5ea;box-shadow:0 8px 30px #0002;border:1px solid #447760;border-radius:8px;padding:13px 20px;font-size:13px;max-width:calc(100vw - 30px);text-align:center}
.learn .overview-bottom{padding-bottom:1px}
@media(min-width:1500px){
  .learn .learn-hero{padding-top:70px;padding-bottom:48px;gap:95px}
  .learn .learn-container{max-width:1280px}
  .learn .art{height:224px}
}
@media(max-width:1100px){
  .learn .learn-hero{gap:35px}
  .learn .learn-hero h1{font-size:49px}
  .learn .topic-grid{gap:29px 22px}
  .learn .art{height:190px}
  .learn .chapter-layout{grid-template-columns:minmax(0,1fr) 250px;gap:23px}
  .learn .chapter-title-row{display:block}
  .learn .chapter-title-row>.button{margin-top:15px}
  .learn .mini-chip{font-size:7px}
  .learn .mini-host{left:10%;width:73%}
  .learn .mini-phone{right:8%}
  .learn .support-section{grid-template-columns:1fr 1fr}
}
@media(max-width:800px){
  .learn .learn-hero{grid-template-columns:1fr 1fr;gap:25px;padding:39px 0 29px}
  .learn .learn-hero h1{font-size:42px}
  .learn .learn-hero-copy>p{font-size:15px}
  .learn .topic-grid{grid-template-columns:1fr 1fr;gap:30px 23px}
  .learn .topic-card>p{font-size:14px}
  .learn .art{height:200px}
  .learn .support-section{grid-template-columns:1fr;gap:20px}
  .learn .section-heading{align-items:center}
  .learn .chapter-layout{grid-template-columns:minmax(0,1fr)}
  .learn .lesson-sidebar{position:static;grid-row:2;margin-bottom:35px}
  .learn .lesson-sidebar .side-chapter{display:grid;grid-template-columns:35px 1fr}
  .learn .chapter-title-row{display:flex}
  .learn .chapter-title-row>.button{margin-top:0}
  .learn .chapter-title-row h1{font-size:33px}
  .learn .chapter-title-row .button{white-space:normal;flex-shrink:0;width:155px}
}
@media(max-width:560px){
  .learn{font-size:16px}
  .learn .learn-container{padding:0 20px}
  .learn .learn-hero{grid-template-columns:1fr;gap:27px;padding:34px 0 28px}
  .learn .learn-hero h1{font-size:45px;margin:13px 0 16px}
  .learn .learn-hero-copy>p{font-size:15px}
  .learn .search-zone{padding-bottom:30px}
  .learn .search-box{padding:15px;gap:10px}
  .learn .search-box input{font-size:14px}
  .learn .keycap{display:none}
  .learn .section-heading{align-items:flex-start;gap:16px}
  .learn .section-heading h2{font-size:24px}
  .learn .section-heading p{font-size:12px}
  .learn .topic-grid{grid-template-columns:1fr;gap:28px}
  .learn .art{height:220px}
  .learn .topic-card h3{font-size:23px;margin-top:14px}
  .learn .topic-card h3>svg{opacity:1;transform:none}
  .learn .topic-card>p{max-width:none}
  .learn .topic-meta{font-size:10px;margin-top:10px}
  .learn .mini-host{width:68%;left:13%;top:49px;height:148px}
  .learn .mini-phone{right:15%;top:60px}
  .learn .art-invite .mini-phone{right:24%;top:44px}
  .learn .mini-qr{left:20%;top:56px}
  .learn .support-section{padding:24px 20px;margin:32px 0 40px}
  .learn .support-options{grid-template-columns:1fr}
  .learn .support-options a{min-height:44px}
  .learn .section-heading h2{letter-spacing:-.025em}
  .learn .learn-crumbs{margin:24px 0;font-size:11px;gap:8px;flex-wrap:wrap}
  .learn .chapter-row{grid-template-columns:30px minmax(0,1fr) 24px;gap:11px;padding:19px 0}
  .learn .chapter-row h2{font-size:19px}
  .learn .chapter-row p{font-size:13px}
  .learn .row-end>span{display:none}
  .learn .row-end{gap:0}
  .learn .chapter-row .row-number{font-size:10px}
  .learn .search-results h1{font-size:28px}
  .learn .chapter-layout{margin-top:10px}
  .learn .player-meta{padding:15px;font-size:8px;gap:8px;letter-spacing:.7px}
  .learn .player-stage{height:240px;padding:0}
  .learn .player-stage .art{width:450px;min-width:450px;transform:scale(.74)}
  .learn .player-bottom{padding:13px 16px;gap:10px}
  .learn .player-bottom strong{font-size:13px}
  .learn .player-bottom p{font-size:9px;max-width:230px}
  .learn .preview-stepper span{width:10px}
  .learn .preview-caption{padding:12px 15px;gap:10px}
  .learn .preview-caption p{font-size:12px}
  .learn .preview-caption .step-label{font-size:9px}
  .learn .chapter-title-row{display:block;margin-top:22px}
  .learn .chapter-title-row h1{font-size:31px}
  .learn .chapter-title-row .button{width:auto;margin-top:17px;min-height:42px}
  .learn .chapter-description{font-size:15px}
  .learn .answer p{font-size:15px}
  .learn .instructions{gap:22px}
  .learn .instructions li{grid-template-columns:25px minmax(0,1fr);gap:12px}
  .learn .step-number{width:25px;height:25px;font-size:10px}
  .learn .instructions h3{font-size:16px}
  .learn .instructions p{font-size:14px}
  .learn .chapter-actions .button{font-size:11px;padding:11px 14px}
  .learn .chapter-nextprev{gap:10px}
  .learn .chapter-nextprev a{padding:14px 12px;font-size:12px}
  .learn .toast{font-size:12px;padding:12px 15px}
  .learn dialog{padding:23px}
  .learn dialog h2{font-size:28px}
}
.learn .troubleshooting-player{margin:32px 0}
@media(max-width:560px){
  .learn .learn-hero h1{font-size:clamp(34px,10vw,45px)}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .learn *,.learn *:before,.learn *:after{transition:none!important;animation:none!important}
}
.learn .learn-hero{display:block;padding:48px 0 32px}
.learn .learn-hero-copy{max-width:100%}
.learn .learn-hero h1{margin-top:0}
.learn .learn-hero-copy>p{max-width:690px}
@media(max-width:560px){
  .learn .learn-hero{padding:30px 0 24px}
}

/* Same width and side margins as the site menu above it */
.learn .learn-container{max-width:var(--max-w);padding:0 var(--px)}
/* the written documentation, at the bottom of the start page (Rudi, 31 Oct 2026) */
.learn .doc-link{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:64px 0 8px;padding:26px 28px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.learn .doc-link p{margin:0;font-size:19px;color:var(--ink)}
.learn .doc-link .button{color:var(--teal)}
/* the chapter cover over the video (Rudi, 31 Oct 2026): the first picture of 1-0, the chapter number and title as text;
   the video loads underneath, a click starts it */
.learn .player-frame{position:relative}
.learn .video-cover{position:absolute;inset:0;margin:0;padding:0;border:0;cursor:pointer;display:block;text-align:left;container-type:inline-size;background:#f4efe6 url('cover.jpg') center/cover no-repeat}
.learn .video-cover[hidden]{display:none}
.learn .cover-text{position:absolute;left:40%;right:5%;top:12%;display:flex;flex-direction:column;gap:1.4cqw}
.learn .cover-kicker{font:600 1.45cqw/1.2 Spline,Consolas,monospace;letter-spacing:.2em;color:var(--teal)}
.learn .cover-title{font-family:var(--f-body);font-weight:620;font-size:4.2cqw;line-height:1.1;letter-spacing:-.03em;color:var(--ink)}
.learn .cover-play{position:absolute;left:50%;top:56%;transform:translate(-50%,-50%);width:10cqw;height:10cqw;min-width:54px;min-height:54px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px #0b2a2244;transition:transform .15s ease}
.learn .cover-play svg{width:42%;height:42%;margin-left:7%;fill:currentColor}
.learn .video-cover:hover .cover-play,.learn .video-cover:focus-visible .cover-play{transform:translate(-50%,-50%) scale(1.07)}