@import"https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&family=Inter:wght@400;500;600&display=swap";@import"https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@200..500,0..1&display=swap";.site-footer{margin-top:clamp(2.5rem,5vw,3.5rem);padding:1rem clamp(1rem,4vw,2.8rem);background:transparent;color:var(--text);border-top:1px solid var(--footer-separator)}.site-footer .footer-shell{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.site-footer .footer-meta{display:inline-flex;align-items:center;gap:.55rem;font-weight:500;letter-spacing:-.01em;white-space:nowrap;color:var(--muted-text);opacity:.85}.site-footer .footer-brand{font-size:.98rem;color:inherit}@media(max-width:640px){.site-footer .footer-shell{justify-content:center;text-align:center}.site-footer .footer-meta{width:100%;justify-content:center}}@font-face{font-display:swap;font-family:Montserrat;font-style:normal;font-weight:200;src:url(/Frontend/assets/montserrat-v31-cyrillic_latin-200-Ch46Ykwh.woff2) format("woff2")}@font-face{font-display:swap;font-family:Montserrat;font-style:normal;font-weight:300;src:url(/Frontend/assets/montserrat-v31-cyrillic_latin-300-RwxtBsoT.woff2) format("woff2")}@font-face{font-display:swap;font-family:Montserrat;font-style:normal;font-weight:500;src:url(/Frontend/assets/montserrat-v31-cyrillic_latin-500-CBLtNvLV.woff2) format("woff2")}@font-face{font-display:swap;font-family:Montserrat;font-style:normal;font-weight:600;src:url(/Frontend/assets/montserrat-v31-cyrillic_latin-600-cdzLiXYp.woff2) format("woff2")}@font-face{font-display:swap;font-family:Montserrat;font-style:normal;font-weight:700;src:url(/Frontend/assets/montserrat-v31-cyrillic_latin-700-CnjeTNMi.woff2) format("woff2")}@font-face{font-display:swap;font-family:Montserrat;font-style:italic;font-weight:700;src:url(/Frontend/assets/montserrat-v31-cyrillic_latin-700italic-BD0dyN-Q.woff2) format("woff2")}@font-face{font-display:swap;font-family:Montserrat;font-style:normal;font-weight:900;src:url(/Frontend/assets/montserrat-v31-cyrillic_latin-900-DuNJSV_H.woff2) format("woff2")}:root,[data-theme=light]{--bg-top: #f9f8ff;--bg-bottom: #f3f1f9;--bg: var(--bg-bottom);--text: #1a1625;--muted-text: #5c5470;--border: #e8e0f0;--accent: #8b5cf6;--secondary: #ec4899;--success: #1f8b4c;--danger: #b02424;--selected: rgba(139, 92, 246, .14);--footer-bg: linear-gradient(180deg, #1e1b2e 0%, #13111c 100%);--footer-border: rgba(26, 22, 37, .12);--footer-text: #3d3654;--footer-separator: rgba(139, 92, 246, .15);--btn-gradient-start: #4c2ab0;--btn-gradient-mid: #7f4fe0;--btn-gradient-end: #e08bbf;--btn-text-color: #ffffff;--btn-glow-strong: rgba(232, 176, 212, .34);--btn-glow-soft: rgba(126, 88, 210, 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rgba(26, 22, 37, .28);--landing-dots-opacity: .6;--landing-dots-dot-size: 1px;--landing-dots-fade-size: 1.2px;--landing-dots-gap: 34px;--page-gradient: radial-gradient(120% 120% at 10% 12%, rgba(124, 58, 237, .07), transparent 42%), radial-gradient(120% 120% at 82% 0%, rgba(192, 132, 252, .06), transparent 44%), linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);--hero-glow-left: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, .35), transparent 48%);--hero-glow-right: radial-gradient(circle at 70% 10%, rgba(139, 92, 246, .28), transparent 52%);--section-kicker-bg: #e4e3fb;--cta-shadow: 0 16px 34px rgba(50, 18, 94, .24), 0 12px 26px rgba(127, 79, 224, .34), 0 0 38px rgba(224, 139, 191, .46);--cta-shadow-hover: 0 22px 48px rgba(50, 18, 94, .28), 0 16px 32px rgba(127, 79, 224, .42), 0 0 52px rgba(224, 139, 191, .6);--cta-focus-outline: rgba(168, 112, 220, .56);--nav-login-shadow: 0 12px 26px rgba(44, 38, 96, .2), 0 10px 22px rgba(90, 86, 196, .28), 0 0 34px rgba(136, 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rgba(99, 102, 241, .12);--landing-faq-item-shadow-hover: 0 12px 28px rgba(99, 102, 241, .2);--landing-faq-divider: rgba(99, 102, 241, .1);--landing-faq-chevron-bg: rgba(99, 102, 241, .06);--landing-faq-chevron-bg-open: rgba(99, 102, 241, .16);--landing-faq-open-border: rgba(99, 102, 241, .45);--landing-faq-accent-gradient: linear-gradient(135deg, rgba(99, 102, 241, .16), rgba(139, 92, 246, .14), rgba(167, 139, 250, .12));--landing-faq-bar-gradient: linear-gradient(180deg, rgba(99, 102, 241, .95), rgba(139, 92, 246, .8));--landing-faq-bar-gradient-open: linear-gradient(180deg, rgba(99, 102, 241, 1), rgba(139, 92, 246, .95));--landing-faq-bar-shadow: 0 3px 14px rgba(99, 102, 241, .25);--landing-faq-bar-shadow-open: 0 4px 18px rgba(99, 102, 241, .3);--feature-card-bg-cloud: rgba(99, 102, 241, .18);--feature-card-bg-analytics: rgba(139, 92, 246, .16);--feature-card-bg-lessons: rgba(245, 158, 11, .18);--feature-card-bg-meetings: rgba(34, 211, 238, .18);--feature-card-shadow: 0 6px 14px 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.45)}*{box-sizing:border-box}:root{font-family:Montserrat,system-ui,Avenir,Helvetica,Arial,sans-serif}html{scroll-behavior:smooth}html,body,#root,#id{margin:0;padding:0;width:100%}body,#id{background:var(--page-gradient),var(--bg);background-color:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}.top-nav{position:fixed;top:0;left:0;right:0;z-index:60;background:transparent;border-bottom:none;box-shadow:none}.nav-shell{max-width:1200px;margin:clamp(0rem,1vw,.6rem) auto 0;padding:.5rem clamp(1rem,4vw,2rem);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1.25rem;position:relative;background:var(--landing-nav-bg);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);border:1px solid var(--glass-border-strong);border-radius:18px;box-shadow:var(--landing-nav-shadow)}.nav-shell:before{content:"";position:absolute;inset:0;border-radius:18px;background:var(--landing-nav-sheen);opacity:var(--landing-nav-sheen-opacity);pointer-events:none;mix-blend-mode:var(--landing-nav-blend-mode)}.nav-brand{font-weight:900;letter-spacing:-.02em;font-size:clamp(1.28rem,2.6vw,1.65rem);color:var(--text);justify-self:start;position:relative;z-index:1}.nav-links{display:inline-flex;gap:1.25rem;justify-content:center;align-items:center;font-weight:700;font-size:1.05rem;letter-spacing:.01em;position:relative;z-index:1}.nav-links a{color:var(--text);text-decoration:none;padding:.5rem .7rem;border-radius:10px;transition:color .2s ease,background .2s ease}.nav-links a:hover,.nav-links a:focus-visible{color:var(--accent);background:var(--selected)}.nav-action{justify-self:end;position:relative;z-index:1}.nav-login{--glow-button-padding: .9rem 1.6rem;--glow-button-font-size: 1.02rem;--glow-button-radius: 12px;--glow-button-shadow: var(--nav-login-shadow);--glow-button-shadow-hover: var(--nav-login-shadow-hover);--glow-button-outline: var(--nav-login-outline);-webkit-backdrop-filter:blur(var(--blur-amount));backdrop-filter:blur(var(--blur-amount));transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-size .35s ease}@media(max-width:768px){.nav-shell{grid-template-columns:1fr auto;grid-template-areas:"brand action" "links links";row-gap:.4rem}.nav-brand{grid-area:brand}.nav-action{grid-area:action}.nav-links{grid-area:links;justify-content:center;width:100%;gap:.9rem;font-weight:700}}@media(max-width:540px){.nav-shell{grid-template-columns:1fr auto;grid-template-areas:"brand action" "links links";row-gap:.4rem}.nav-brand{grid-area:brand}.nav-action{grid-area:action}.nav-links{grid-area:links;justify-content:center;width:100%}}.hero{position:relative;overflow:hidden;padding:5rem 1.5rem clamp(3rem,6vw,4.5rem);min-height:40vh;display:flex;align-items:center;justify-content:center}.hero-glow{position:absolute;filter:blur(120px);opacity:.65;pointer-events:none}.hero-glow-left{width:520px;height:520px;background:var(--hero-glow-left);top:-140px;left:-120px}.hero-glow-right{width:520px;height:520px;background:var(--hero-glow-right);top:-100px;right:-180px}.hero-content{position:relative;display:flex;flex-direction:column;align-items:center;gap:1.5rem;text-align:center;max-width:840px;width:100%;margin:0 auto}.hero-text{display:flex;flex-direction:column;gap:1rem;max-width:720px;align-items:center}.company-name{font-size:clamp(3rem,5.8vw,4.9rem);font-weight:800;margin:9rem 0 0;color:var(--text);letter-spacing:-.025em}.slogan{font-size:clamp(1rem,2vw,1.2rem);font-weight:600;margin:0;color:var(--muted-text);max-width:500px}.hero-actions{display:flex;flex-direction:column;gap:.8rem;align-items:center}.cta-buttons{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.btn-primary{--glow-button-padding: 1.25rem 3.15rem;--glow-button-font-size: 1.16rem;--glow-button-radius: 18px;--glow-button-shadow: var(--cta-shadow);--glow-button-shadow-hover: var(--cta-shadow-hover);--glow-button-outline: var(--cta-focus-outline);letter-spacing:-.01em}@media(max-width:1100px){.hero-content{text-align:center}.hero-text{max-width:100%}.hero-actions,.cta-buttons{justify-content:center}}@media(max-width:900px){.hero{padding:3rem 1.25rem clamp(2.75rem,7vw,3.75rem);min-height:40vh}}@media(max-width:640px){.hero{padding:2.75rem 1rem clamp(2.5rem,8vw,3.25rem);min-height:40vh}.cta-buttons{flex-direction:column;width:100%}.btn-primary{width:100%;text-align:center}}.features-carousel{position:relative;padding:1.6rem 0 4.4rem;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);width:100vw;overflow:hidden;font-family:inherit;background:none}.features-carousel .carousel-header{max-width:1280px;margin:0 auto 1.9rem;padding:0 clamp(1rem,4vw,2.5rem);display:flex;flex-direction:column;align-items:center;gap:1rem;text-align:center}.features-carousel .carousel-title{display:grid;gap:.65rem;max-width:780px}.features-carousel .carousel-title h2{margin:0;font-size:clamp(1.6rem,3vw,2rem)}.features-carousel .carousel-title p{margin:0;color:var(--muted-text);line-height:1.7}.features-carousel .carousel-viewport{position:relative;overflow:hidden;isolation:isolate}.features-carousel .carousel-track{display:flex;gap:1.25rem;padding:.35rem 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p{margin:0;color:var(--muted-text);line-height:1.6}.features-carousel .carousel-controls{position:relative;display:flex;justify-content:center;gap:1rem;margin-top:1.5rem}.features-carousel .carousel-btn{display:inline-flex;align-items:center;justify-content:center;width:50px;height:50px;border-radius:50%;border:1px solid var(--glass-border-strong);background:var(--glass-bg-strong);color:var(--text);cursor:pointer;box-shadow:var(--carousel-control-shadow);-webkit-backdrop-filter:blur(var(--blur-amount));backdrop-filter:blur(var(--blur-amount));transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.features-carousel .carousel-btn:hover{transform:translateY(-1px);border-color:var(--carousel-control-border-hover);box-shadow:var(--carousel-control-shadow-hover)}.features-carousel .carousel-btn:focus-visible{outline:2px solid var(--carousel-control-outline);outline-offset:2px}.features-carousel 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img{width:16px;height:16px;display:block}.toolbar-dropdown{position:relative;display:inline-block}.dropdown-trigger{gap:4px;padding-right:6px}.dropdown-arrow{font-size:10px;color:var(--muted-text);margin-left:2px}.dropdown-content{position:absolute;top:calc(100% + 2px);left:0;background-color:var(--bg);border:1px solid var(--border);border-radius:3px;box-shadow:0 2px 8px #00000026;z-index:1000;min-width:180px;max-height:300px;overflow-y:auto}.toolbar.floating .dropdown-content{background:linear-gradient(135deg,#ffffff1a,#fff0);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.18)}.dropdown-item{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;background-color:transparent;border:none;border-bottom:1px solid var(--border);cursor:pointer;text-align:left;transition:background-color .15s ease}.dropdown-item:last-child{border-bottom:none}.dropdown-item:hover{background-color:var(--bg)}.dropdown-item.selected{background-color:var(--selected)}.dropdown-item.selected span{font-weight:500}.dropdown-item img{width:16px;height:16px;flex-shrink:0}.dropdown-item span{font-size:14px;color:var(--text);white-space:nowrap}.calculator-desmos{display:block;max-width:100%;width:100%;aspect-ratio:1/.4}@media(max-width:768px){.calculator-desmos{aspect-ratio:1/2}}.modalOverlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0006;z-index:1000;padding:1rem;animation:fadeIn .2s ease-in}.modalOverlay.closing{animation:fadeOut .2s ease-out forwards}.modalOverlay.closing .modal{animation:scaleOut .2s ease-in forwards}.modalOverlay .modal{background:var(--bg);color:var(--text);border-radius:8px;box-shadow:0 8px 24px #0003;overflow:auto;position:relative;padding:1.25rem;animation:scaleIn .3s ease-in-out}.modalOverlay .modal .closeBtn{position:absolute;top:.5rem;right:.5rem;background:transparent;border:none;font-size:2rem;cursor:pointer;color:var(--muted-text);padding:.25rem .5rem;line-height:1;border-radius:4px}.modalOverlay .modal .closeBtn:hover{background:#0000000d}@media(max-width:900px){.modalOverlay .modal .closeBtn{font-size:3rem}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}@keyframes fadeOut{0%{opacity:1}to{opacity:0}}@keyframes scaleOut{0%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(.3)}}.image-wrapper{position:relative;display:inline-block;cursor:pointer;-webkit-user-select:none;user-select:none}.image-wrapper img{display:block;max-width:100%;height:auto}.image-wrapper.selected{outline:2px solid var(--accent);outline-offset:2px}.image-wrapper.selected img{opacity:.9}.image-wrapper.resizing{cursor:nwse-resize}.image-wrapper .resize-handle{position:absolute;width:10px;height:10px;background-color:var(--accent);border:1px solid var(--bg);border-radius:2px;z-index:10}.image-wrapper .resize-handle.nw{top:-5px;left:-5px;cursor:nwse-resize}.image-wrapper .resize-handle.ne{top:-5px;right:-5px;cursor:nesw-resize}.image-wrapper .resize-handle.sw{bottom:-5px;left:-5px;cursor:nesw-resize}.image-wrapper .resize-handle.se{bottom:-5px;right:-5px;cursor:nwse-resize}.image-wrapper .resize-handle.n{top:-5px;left:50%;transform:translate(-50%);cursor:ns-resize}.image-wrapper .resize-handle.s{bottom:-5px;left:50%;transform:translate(-50%);cursor:ns-resize}.image-wrapper .resize-handle.e{top:50%;right:-5px;transform:translateY(-50%);cursor:ew-resize}.image-wrapper .resize-handle.w{top:50%;left:-5px;transform:translateY(-50%);cursor:ew-resize}.image-wrapper .resize-handle:hover{background-color:var(--accent)}.insert-image-modal{max-width:700px;width:95vw;display:flex;flex-direction:column}.insert-image-modal .title{font-size:1.5rem;font-weight:700;margin:0 0 1rem;color:var(--text);text-align:center}.insert-image-modal .content{display:flex;flex-direction:column;flex:1;gap:1rem}.insert-image-modal .content .src-input-group{display:flex;border-radius:200px;overflow:hidden}.insert-image-modal .content .src-input-group input{flex:1;padding:.5rem .75rem;border:1px solid var(--border);border-top-left-radius:inherit;border-bottom-left-radius:inherit;font-size:1rem;color:var(--text);background:var(--bg)}.insert-image-modal .content .src-input-group input:focus{outline:none;border-color:var(--accent)}.insert-image-modal .content .src-input-group button{padding:.5rem 1rem;background:var(--accent);color:var(--alt-text);border:none;font-weight:600;cursor:pointer;white-space:nowrap;animation:ease 1s opacity}.insert-image-modal .content .src-input-group button:hover{opacity:.9}.insert-image-modal .content .error-txt{color:var(--danger);font-size:.875rem;margin:-.5rem;align-self:center;background-color:color-mix(in srgb,var(--danger) 12%,transparent);padding:.25rem .5rem;border-radius:20px}.insert-image-modal .content .or-txt{text-align:center;color:var(--muted-text);margin:0}.insert-image-modal .content .drag-and-drop-area{flex:1;display:flex;align-items:center;justify-content:center;border:2px dashed var(--border);border-radius:8px;cursor:pointer;transition:all .2s ease;aspect-ratio:1/.5}.insert-image-modal .content .drag-and-drop-area:hover{border-color:var(--muted-text);background:color-mix(in srgb,var(--muted-text) 8%,transparent);cursor:pointer}.insert-image-modal .content .drag-and-drop-area.dragging{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent)}.insert-image-modal .content .drag-and-drop-area span{color:var(--text);font-size:1rem}.floating-link-editor{position:absolute;z-index:100;opacity:0;background-color:var(--bg);border:1px solid var(--border);border-radius:8px;box-shadow:0 4px 12px #00000026;padding:8px 12px;transition:opacity .2s ease;min-width:250px;max-width:calc(100% - 20px);pointer-events:auto}.floating-link-editor .floating-link-content{display:flex;align-items:center;gap:8px}.floating-link-editor .floating-link-input{flex:1;padding:6px 10px;border:1px solid var(--border);border-radius:4px;background-color:var(--bg);color:var(--text);font-size:14px;outline:none;min-width:180px}.floating-link-editor .floating-link-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px rgba(var(--accent),.2)}.floating-link-editor .floating-link-input::placeholder{color:var(--secondary)}.floating-link-editor .floating-link-url{flex:1;color:var(--accent);text-decoration:none;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:180px}.floating-link-editor .floating-link-url:hover{text-decoration:underline}.floating-link-editor .floating-link-edit-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:none;border-radius:4px;background-color:var(--bg);color:var(--text);font-size:16px;cursor:pointer;transition:background-color .2s ease}.floating-link-editor .floating-link-edit-btn:hover{background-color:var(--accent);color:var(--bg)}.insert-video-modal .title{font-size:1.5rem;font-weight:700;margin:0 0 1rem;color:var(--text);text-align:center}.insert-video-modal .src-input-group{display:flex;border-radius:200px;overflow:hidden}.insert-video-modal .src-input-group input{flex:1;padding:.5rem .75rem;border:1px solid var(--border);border-top-left-radius:inherit;border-bottom-left-radius:inherit;font-size:1rem;color:var(--text);background:var(--bg)}.insert-video-modal .src-input-group input:focus{outline:none;border-color:var(--accent)}.insert-video-modal .src-input-group button{padding:.5rem 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input[type=checkbox]:checked:after{content:"✓";position:absolute;left:12.5%;top:-5%;color:var(--bg);font-size:14px}.equationModal p{text-align:center}.equationModal .KatexEquationAlterer_dialogActions{display:flex;flex-direction:row;overflow:hidden;margin-top:20px;margin-bottom:0;justify-content:center}.equationModal .KatexEquationAlterer_dialogActions button{padding:.5rem 1rem;background-color:var(--accent);color:var(--alt-text);border-radius:28px;border:none}.equationModal .KatexEquationAlterer_centerRow{display:flex;flex-direction:"row";margin-top:10px;margin-bottom:10px;justify-content:center;overflow:hidden}.equationModal .KatexEquationAlterer_textArea{width:100%;resize:none;padding:7px}.equationModal .previewBox{border:var(--muted-text) 1px dashed;min-height:2rem}@media(max-width:768px){.equationModal{width:80%}}@font-face{font-family:KaTeX_AMS;src:url(/Frontend/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/Frontend/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) 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