:root{--primary-color: #e46a2f;--secondary-color: #FFB84D;--accent-color: #FFD700;--text-color: #444;--light-bg: #FFFAF0;--i-color: rgba(245, 166, 35, .1);--hawaii-blue: #00B4DB;--hawaii-blue-light: #5ce1ff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter Variable,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;color:var(--text-color);background-color:var(--light-bg);font-size:1.1rem}.header{padding:1.1rem 1.6rem 1.1rem 1.2rem}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{height:43px}.mathionette{height:80px;margin-bottom:-37px}.logo-lang-container{display:flex;flex-direction:column;align-items:flex-end}.language-selector{margin-bottom:11px;font-size:.85rem;text-align:right}.current-lang{color:var(--text-color);font-weight:600}.lang-separator{margin:0 6px;color:#0009}.lang-link{color:var(--text-color);opacity:.7;text-decoration:none}.lang-link:hover{opacity:1;text-decoration:none;color:var(--hawaii-blue)}a{color:var(--hawaii-blue);text-decoration:none;transition:color .1s;font-weight:500}a:hover{text-decoration:underline}h1,h2,h3{text-align:left}.center h1,.center h2{text-align:center}h1{font-size:3rem;line-height:1.3;margin-bottom:0;color:#fdf5eff5}h2{font-size:2rem;margin-bottom:1.5rem;line-height:1.3;font-weight:600;color:#000a}h4{font:inherit;font-weight:700}.hero{position:relative;color:#fff;padding:9rem 2rem 6rem;text-align:center;max-width:1200px;margin:0 auto;text-shadow:0 0 10px rgba(0,0,0,.8),0 0 20px rgba(0,0,0,.5),0 0 10px rgba(0,0,0,.3)}.hero-bg{border-radius:10px;position:absolute;top:0;left:0;right:0;bottom:0;background-image:url(/images/bg/books.jpg);background-size:cover;background-position:center;z-index:-1}.hero p{font-size:1.25rem;max-width:520px;margin:.6rem auto}.hero a{color:var(--hawaii-blue-light)}.hero .beta-notice{color:var(--hawaii-blue-light);padding:.5rem 1rem;display:inline-block;margin:1rem 0;font-weight:700;border:5px solid;border-image:repeating-linear-gradient(-45deg,var(--hawaii-blue-light) 0,var(--hawaii-blue-light) 10px,transparent 10px,transparent 14px) 5}html:lang(en) .hero .beta-notice-text{max-width:375px}section{padding:4rem 2rem;max-width:1200px;margin:0 auto}section#tutors{background-color:var(--light-bg);padding:0;border-radius:10px;overflow:hidden}section#tutors .title-content{background-color:#fffe;padding:3rem 2rem 4rem}.title-content h2{text-align:center;margin-bottom:.3rem}.title-content p{max-width:660px;margin:0 auto;text-align:center}section#info{padding-left:0;padding-right:0;padding:1rem 0 5rem}.grid{margin-top:2.5rem;display:flex;flex-wrap:wrap;justify-content:center;gap:3rem 1rem}.grid .card{flex:0 0 calc(33% - 2.8rem)}.grid .card:nth-child(1){background:#e49e2f36}.grid .card:nth-child(2){background:#e49e2f2b}.grid .card:nth-child(3){background:#e49e2f21}.grid .card:nth-child(4){background:#e49e2f17}.grid .card:nth-child(5){background:#e49e2f0d}.separator{display:flex;align-items:center;justify-content:center;font-size:3.7rem;color:var(--primary-color);opacity:.8}.card{background:#e49e2f17;border-radius:10px;padding:1.6rem;box-shadow:0 2px 4px #0000001a;position:relative;overflow:hidden}.card h3{padding-left:1.3rem}.card ul{list-style-type:none;padding-left:0;padding-top:.5em}.card li{padding-left:1.25em;position:relative;margin-bottom:.5em}.card li:before{content:"";position:absolute;left:0;top:.39em;width:.75em;height:.75em;-webkit-mask-image:url(/images/checkmark.svg);mask-image:url(/images/checkmark.svg);-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;background-color:var(--primary-color)}footer{padding:2rem;margin-top:2rem;text-align:center}.footer-links{margin:1rem 0}.footer-links a{color:var(--hawaii-blue-light);margin:0 1rem}.carousel{position:relative;overflow:hidden;width:100%;height:400px;background:var(--light-bg);padding:0;margin:0;touch-action:pan-y}.carousel-inner{display:flex;height:100%;will-change:transform;-webkit-user-select:none;user-select:none}.carousel-item{display:flex;align-items:center;height:100%;flex-shrink:0;width:auto}.carousel-character-container{position:relative;height:100%;flex:0 0 auto}.carousel-character{height:100%;width:auto;object-fit:contain}.character-name{position:absolute;bottom:0;left:0;right:0;background:#00000080;color:#fff;padding:1rem;text-align:center;font-weight:700;transition:padding .3s ease}.character-description{max-height:0;overflow:hidden;transition:max-height .3s ease;font-size:.9rem;opacity:0}.carousel-character-container:hover .character-name{padding:1.5rem 1rem}.carousel-character-container:hover .character-description{max-height:100px;opacity:1}.carousel-character-container.dragging .character-name{padding:1.5rem 1rem}.carousel-character-container.dragging .character-description{max-height:100px;opacity:1}.video-text{display:flex;align-items:stretch;background:#fff;border-radius:10px;margin:4rem auto;padding:0;max-width:1200px;overflow:hidden}.video-container{width:100%;max-width:none;margin:0;aspect-ratio:16/9;background:var(--light-bg);padding:0;display:flex;align-items:center;justify-content:center}.video-container video{width:100%;height:100%;max-height:80vh;object-fit:contain}.video-text .vertical-video{flex:0 0 400px;border-top-left-radius:8px;border-bottom-left-radius:8px;overflow:hidden;position:relative;cursor:pointer}.video-text .play-button{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80px;height:80px;background:var(--hawaii-blue);opacity:.5;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:1;transform-origin:center}.video-text .play-button.initialized{transition:transform .2s ease-out,opacity .2s ease-out}.video-text .play-button:before,.video-text .play-button:after{content:""}.video-text .play-button.initialized:before,.video-text .play-button.initialized:after{transition:all .2s}.video-text .play-button:before{content:"";width:0;height:0;border-style:solid;border-width:15px 0 15px 25px;border-color:transparent transparent transparent white;margin-left:5px}.video-text .play-button.pause:before{width:6px;height:30px;background:#fff;border:none;margin:0 4px}.video-text .play-button.pause:after{content:"";width:6px;height:30px;background:#fff;margin:0 4px}.video-text .vertical-video:hover .play-button{opacity:1;transform:translate(-50%,-50%) scale(1.1)}.video-text .play-button.hidden{opacity:0;pointer-events:none;transform:translate(-50%,-50%) scale(.9)}.video-text .vertical-video:hover .play-button.hidden{opacity:.5;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.video-text video{width:100%;height:100%;object-fit:contain;display:block}.video-text .text{flex:1;padding:3rem 4rem;border-top-right-radius:8px;border-bottom-right-radius:8px;background:#e49e2f33}.video-text h2{margin-bottom:2rem}.video-text p{margin-bottom:1rem}section#latex{padding:4rem 0}.title-content{padding:0 1rem}.latex-images{display:flex;justify-content:space-between;gap:2rem;margin:2.5rem auto 0;flex-wrap:wrap;width:100%}.latex-image-container{position:relative;overflow:hidden;border-radius:10px;box-shadow:0 2px 4px #0000001a;width:calc(32% - 1rem);aspect-ratio:1660/2074}.latex-image{width:100%;height:100%;object-fit:contain;transition:transform .3s ease}.latex-image-container.drawing .latex-image{transform-origin:48% 85%}html:lang(en) .latex-image-container.drawing .latex-image{transform-origin:48% 92%}.latex-image-container.latex .latex-image{transform-origin:42% 5%}html:lang(en) .latex-image-container.latex .latex-image{transform-origin:21% 5%}.latex-image-container.graph .latex-image{transform-origin:20% 47%}.latex-image-container.drawing.enlarged .latex-image{transform:scale(1.7)}.latex-image-container.latex.enlarged .latex-image{transform:scale(2)}html:lang(en) .latex-image-container.latex.enlarged .latex-image{transform:scale(2.2)}.latex-image-container.graph.enlarged .latex-image{transform:scale(2.2)}section#bavaria{margin:0 auto;padding-top:0;padding-bottom:3rem;background-color:transparent}section.team{padding:3rem 2rem;background-color:#fffe;border-radius:10px}.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;max-width:1000px;margin:2rem auto 0}.team-role{font-weight:500;margin-bottom:.2rem}.team-img{width:200px;height:200px;object-fit:cover;border-radius:50%;margin-bottom:.4rem;background-color:#ddd;border:8px solid #ddd;transition:all .2s}.team-member a:hover .team-img{transform:scale(1.02);border-color:var(--hawaii-blue-light)}.team-member{text-align:center;display:flex;flex-direction:column;align-items:center}.team-member p{margin:0;opacity:.7}.team-name{margin:1rem 0 .3rem;font-weight:500;color:var(--hawaii-blue)}body.legal{color:var(--text-color);margin:0;padding:0}body.legal{background-color:#fff}body.legal .header{background-color:var(--light-bg);box-shadow:0 2px 4px #00000026}body.legal .content{max-width:800px;margin:80px auto 2rem;padding:2rem}body.legal h1,body.legal h2,body.legal h3,body.legal h4{color:var(--text-color);margin:1rem 0 0}body.legal h1{font-size:2rem}body.legal h2{font-size:1.5rem}body.legal h3{font-size:1.3rem}body.legal h4{font-size:1.1rem}body.legal p{margin-bottom:1.5rem}@media (max-width: 768px){.hero h1{font-size:2rem}}@media (max-width: 900px){.grid{margin:0 2rem;gap:0}.grid .card{flex:0 0 100%}.team-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.video-text{flex-direction:column}.video-text .vertical-video{width:100%;max-width:400px;border-radius:10px 10px 0 0;flex:none;height:auto;aspect-ratio:4 / 5;margin:2rem auto}.video-text .content{padding:2rem}.video-text{margin:0}.latex-image-container{width:82%;margin:auto;margin-bottom:1rem}.latex-image-container:last-child{margin-bottom:0}}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-ext-wght-normal-B2xhLi22.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-wght-normal-CMZtQduZ.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-ext-wght-normal-CGAr0uHJ.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-wght-normal-CaVNZxsx.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-vietnamese-wght-normal-CBcvBZtf.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-ext-wght-normal-CFHvXkgd.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-wght-normal-C2S99t-D.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}