@font-face{font-family:'JetBrains Mono';src:url('assets/JetBrainsMono-Bold.ttf') format('truetype');font-weight:700;font-display:swap}
@font-face{font-family:'JetBrains Mono';src:url('assets/JetBrainsMono-ExtraBold.ttf') format('truetype');font-weight:800;font-display:swap}
:root{color-scheme:dark;--bg:#0d0d0d;--text:#bbb;--green:#446b47;--accent:#85ad87;--line:#7a7977;--muted:#91918f;--font:'JetBrains Mono',monospace;--u:min(1px,calc(100vw / 1920));--gutter:max(24px,calc(70 * var(--u)));--body:clamp(16px,1.042vw,20px);--title:clamp(48px,6.667vw,128px);--h2:clamp(36px,3.333vw,64px);--small:clamp(18px,1.25vw,24px);--radius:20px;--button-radius:40px;--gap:20px;--motion:240ms;--exit:180ms;--section:calc(180 * var(--u));--error:#ffb7b0}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:120px;overflow-x:clip}body{margin:0;background:var(--bg);color:var(--text);font:700 var(--body)/1.5 var(--font);overflow-x:clip}body.modal-open{overflow:hidden}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:800;font-synthesis:none;word-break:normal;overflow-wrap:normal}h1{font-size:var(--title);line-height:1.06;color:var(--green);letter-spacing:-.025em}h2{font-size:var(--h2);line-height:1.05}h3{font-size:var(--small);line-height:1.2}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit;cursor:pointer}button,a{touch-action:manipulation}button{border:0;background:none}img{display:block;max-width:100%;height:auto}button:focus-visible,a:focus-visible,input:focus-visible,video:focus-visible{outline:2px solid #b5deb1;outline-offset:5px}::selection{background:var(--green);color:white}[hidden]{display:none!important}.container{width:calc(100% - 2 * var(--gutter));max-width:1780px;margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;clip-path:inset(50%);overflow:hidden;white-space:nowrap}.green{color:var(--accent)}.section{position:relative;isolation:isolate}.section>*:not(.trajectory){position:relative;z-index:1}
.site-header{min-height:calc(128 * var(--u));display:flex;align-items:center;justify-content:space-between;gap:32px;padding-block:15px;position:relative;z-index:10}.logo{display:block;width:clamp(64px,5.73vw,110px);flex:none}.logo img{width:100%;height:auto}.navigation{display:flex;align-items:center;gap:clamp(20px,2.13vw,41px)}.navigation a,.navigation button{padding:8px 0;white-space:nowrap}.menu-toggle{display:none}.mobile-contacts{display:none}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;width:300px;max-width:100%;min-height:60px;padding:16px 32px;border:1px solid var(--green);border-radius:var(--button-radius);background:var(--green);color:#f3f3f3;white-space:nowrap;font-size:20px;line-height:1.2;transition:background-color var(--motion),color var(--motion),border-color var(--motion)}.button img{width:16px;height:14px;object-fit:contain;flex:none;transition:transform var(--motion) ease-out}.button.secondary{background:var(--bg);color:var(--accent)}.actions{display:flex;gap:10px;flex-wrap:wrap}.button:active{background:#345438}.button:disabled{opacity:.6;cursor:wait}
.home-hero{text-align:center;padding-top:0;padding-bottom:calc(180 * var(--u))}.hero-heading{display:grid;justify-items:center;gap:18px}.eyebrow{text-transform:uppercase;color:var(--muted);font-size:var(--small);line-height:1.2}.hero-summary{max-width:740px;font-size:var(--small);line-height:1.2;margin:calc(40 * var(--u)) auto 24px}.home-hero .actions{justify-content:center}.devices{display:grid;grid-template-columns:1fr 1.4fr 1fr;align-items:start;gap:calc(64 * var(--u));max-width:1530px;margin:calc(32 * var(--u)) auto 0}.device-card{min-width:0;display:grid;justify-items:center;gap:16px}.device-stage{position:relative;display:grid;place-items:center;width:100%;height:calc(540 * var(--u));min-height:280px;isolation:isolate}.device-orbit{position:absolute;top:50%;left:50%;width:100%;max-width:none;transform:translate(-50%,-50%);z-index:-1;pointer-events:none}.device-card:not(.central) .device-orbit{width:90%}.device-product{width:calc(250 * var(--u));min-width:160px;max-width:75%;object-fit:contain}.central .device-product{width:calc(380 * var(--u));max-width:76%}.device-card figcaption{max-width:360px;font-size:var(--body);line-height:1.25}.device-card figcaption span{display:block;color:var(--muted);margin-bottom:12px;font-size:16px}.device-stage:before{content:'';position:absolute;left:0;top:50%;width:100%;border-top:1px dashed var(--line);z-index:-2}.hero-dots{display:none}
.trajectory{position:absolute!important;width:min(700px,45vw);max-width:none;top:8%;left:-28%;z-index:-1!important;pointer-events:none;opacity:.65;animation:orbit 90s linear infinite}.trajectory.right{left:auto;right:-29%;top:30%;animation-direction:reverse}.trajectory.lower{top:55%}@keyframes orbit{to{rotate:360deg}}
.concept{display:grid;grid-template-columns:1032fr 732fr;gap:20px;align-items:stretch}.concept-copy{border:2px dashed var(--green);border-radius:var(--radius);padding:20px;background:#446b4714;min-height:calc(565 * var(--u))}.benefits{list-style:none;padding:0;margin:0;display:grid;gap:clamp(24px,2.5vw,48px)}.benefits li{display:grid;grid-template-columns:56px 1fr;gap:20px;font-size:var(--small);line-height:1.2}.benefits .number{color:var(--muted)}.video-wrap{display:flex;min-width:0;border-radius:var(--radius);overflow:hidden;min-height:0;background:#151515;aspect-ratio:1032/565}.video-wrap video{display:block;width:100%;height:100%;object-fit:cover}.video-wrap:fullscreen{width:100vw;height:100dvh;display:grid;place-items:center;background:black;border-radius:0}.video-wrap:fullscreen video{object-fit:contain;max-height:100dvh}
.audience{display:grid;grid-template-columns:46% 54%;align-items:center;margin-top:var(--section);min-height:calc(720 * var(--u));gap:0}.audience-copy{display:flex;flex-direction:column;align-items:flex-start;min-height:calc(550 * var(--u));padding-block:32px}.audience h2 .green{display:block;color:var(--green)}.audience-copy>p{max-width:400px;margin-top:20px;line-height:1.3}.audience-copy .actions{margin-top:auto;padding-top:40px}.audience.teachers{grid-template-columns:60% 40%;margin-top:calc(180 * var(--u))}.teachers .audience-copy{order:2}.teachers h2{font-size:clamp(32px,3.1vw,60px)}
.diagram{display:grid;grid-template-columns:24% 42% 34%;grid-template-rows:repeat(4,minmax(110px,1fr));min-height:calc(720 * var(--u));position:relative;align-items:center;isolation:isolate}.diagram .fan{position:absolute;left:0;top:0;width:75%;height:100%;object-fit:contain;z-index:-1}.diagram .schematic{grid-column:1;grid-row:2/4;width:clamp(64px,6.55vw,126px);justify-self:center}.diagram .detail{grid-column:3;padding-block:8px;border-bottom:1px dashed var(--line);font-size:var(--body);line-height:1.3}.diagram .detail.first{grid-row:1;grid-column:2/4;max-width:260px;justify-self:center}.diagram .detail.second{grid-row:2}.diagram .detail.third{grid-row:3}.diagram .detail.fourth{grid-row:4;grid-column:2/4;max-width:340px;justify-self:end}.teachers .diagram{grid-template-columns:37% 43% 20%}.teachers .diagram .fan{left:auto;right:0;transform:scaleX(-1)}.teachers .diagram .schematic{grid-column:3;transform:scaleX(-1)}.teachers .diagram .detail{grid-column:1}.teachers .diagram .detail.first{grid-column:1/3;justify-self:start;margin-left:40px;max-width:360px}.teachers .diagram .detail.fourth{grid-column:1/3;justify-self:start;max-width:460px;margin-left:24px}
.sveta{margin-top:calc(180 * var(--u));text-align:center}.sveta-heading{display:grid;justify-items:center;gap:18px}.sveta h2{font-size:var(--title);color:var(--green)}.sveta-heading>p:last-child{max-width:520px;line-height:1.3;margin-top:24px}.sveta .actions{justify-content:center;margin-top:48px}.sveta-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:48px;text-align:left}.sveta-card{border:2px dashed var(--line);border-radius:var(--radius);min-height:calc(600 * var(--u));aspect-ratio:581/600;position:relative;isolation:isolate;display:flex;align-items:flex-end;padding:20px;overflow:hidden;cursor:pointer}.sveta-photo{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover;object-position:center 43%;pointer-events:none}.sveta-card:before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(transparent 55%,#000b)}.sveta-card h3{text-transform:uppercase;margin-right:auto}.sveta-card h3 span{display:block}.sveta-card .plus{display:grid;place-items:center;width:65px;height:65px;flex:none}.sveta-card .plus img{width:65px;height:65px;object-fit:contain}
.contact{display:grid;grid-template-columns:514fr 1180fr;gap:calc(85 * var(--u));margin-top:calc(180 * var(--u));padding-bottom:calc(160 * var(--u))}.contact h2 span{display:block}.contact-intro>p{max-width:330px;margin-top:20px;line-height:1.3}.contact-form{display:grid;gap:28px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field{display:grid;align-content:start;gap:4px}.field label{font-size:14px;color:var(--muted)}.field input{width:100%;height:62px;background:transparent;border:1px dashed var(--line);border-radius:10px;padding:16px;color:var(--text);font-size:16px;min-width:0}.field input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 1px var(--accent)}.field-error{color:var(--error);font-size:14px;line-height:1.4}.field-error:empty{display:none}.consent{display:flex;align-items:flex-start;gap:14px;font-size:18px;line-height:1.4}.consent input{flex:none;width:20px;height:20px;margin:3px 0 0;accent-color:var(--green)}.form-submit{width:580px;margin-top:16px}.form-status{font-size:16px;line-height:1.5;color:var(--accent)}.form-status:empty{display:none}.form-status.error{color:var(--error)}
.site-footer{border-top:1px dashed var(--line);padding-block:56px 40px}.footer-grid{display:grid;grid-template-columns:220px 1fr 220px 340px;gap:56px;align-items:start}.footer-logo{width:174px}.footer-links{display:grid;gap:8px}.footer-links button{padding:0;text-align:left}.footer-docs{color:var(--muted);padding-top:40px}.footer-contact{display:grid;gap:8px}.footer-contact>a{overflow-wrap:anywhere}.socials{display:flex;gap:24px;margin-top:8px}.socials button{padding:0}.socials img{width:48px;height:48px}.copyright{font-size:12px;color:var(--muted);margin-top:32px}
dialog{width:min(960px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:48px;border:2px dashed var(--green);border-radius:20px;background:var(--bg);color:var(--text)}dialog::backdrop{background:#000b}dialog[open]{animation:dialog-in 300ms ease-out}dialog.closing{animation:dialog-out var(--exit) ease-in forwards}dialog[open]::backdrop{animation:fade-in 300ms ease-out}dialog.closing::backdrop{animation:fade-out var(--exit) ease-in forwards}.dialog-close{display:grid;place-items:center;width:44px;height:44px;margin-left:auto;color:var(--accent);font-size:36px;line-height:1;border-radius:50%}.dialog-close:active{transform:scale(.9)}dialog h2{font-size:clamp(28px,3vw,48px);margin-bottom:20px}dialog p{margin-bottom:24px}dialog .contact-form{margin-top:24px}dialog .button{font-size:18px}dialog .detail-photo{width:min(100%,320px);height:auto;margin:24px auto;border-radius:12px}.detail-description{white-space:pre-line}.dialog-contact{margin-top:24px}@keyframes dialog-in{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes dialog-out{to{opacity:0;transform:translateY(12px)}}@keyframes fade-in{from{opacity:0}}@keyframes fade-out{to{opacity:0}}
@media(hover:hover){.navigation a:hover,.navigation button:hover,.footer-links a:hover,.footer-links button:hover{color:var(--accent)}.button:hover{background:#345438;border-color:var(--accent)}.button.secondary:hover{background:#446b4726}.button:hover img{transform:rotate(-45deg)}.sveta-card:hover{border-color:var(--accent)}.dialog-close:hover{background:#446b4733}body,button,a{cursor:url('assets/kasper-cursor-dashed.svg') 4 3,auto}input{cursor:text}}
@media(min-width:1920px){.home-hero{padding-top:0}.concept{margin-top:20px}}
@media(max-width:1439px){.audience{grid-template-columns:42% 58%}.audience.teachers{grid-template-columns:56% 44%}.actions{gap:12px}.audience .button{width:240px}.audience-copy{min-height:440px}.diagram{min-height:520px;grid-template-rows:repeat(4,minmax(110px,1fr))}.footer-grid{grid-template-columns:160px 1fr 160px 300px;gap:24px}.concept-copy{padding:20px}.benefits li{grid-template-columns:32px 1fr;gap:16px}.home-hero{padding-top:24px}.contact{gap:32px}.footer-logo{width:140px}}
@media(max-width:1023px){:root{--section:96px;--gutter:24px;--h2:36px}.site-header{min-height:96px}.navigation{gap:16px;font-size:16px}.home-hero{padding-bottom:96px}.device-stage{min-height:260px}.central .device-product{width:230px}.device-product{min-width:130px}.devices{gap:24px}.concept{grid-template-columns:1fr}.concept-copy{min-height:0;padding:24px}.benefits{grid-template-columns:1fr 1fr;gap:24px}.video-wrap{aspect-ratio:1032/565}.audience,.audience.teachers{grid-template-columns:1fr;margin-top:96px;gap:32px}.audience-copy,.teachers .audience-copy{min-height:0;order:0;padding:0}.audience-copy .actions{margin-top:32px;padding:0}.audience-copy>p{max-width:600px}.diagram{width:min(820px,100%);justify-self:center;min-height:600px}.sveta{margin-top:96px}.sveta-card{padding:16px}.sveta-card h3{font-size:18px}.sveta-card .plus,.sveta-card .plus img{width:44px;height:44px}.contact{margin-top:96px;padding-bottom:80px;grid-template-columns:1fr;gap:32px}.footer-grid{grid-template-columns:160px 1fr 1fr;gap:32px}.footer-docs{grid-column:2/4;grid-row:2;padding-top:0}.footer-contact{grid-column:3;grid-row:1}.footer-logo{width:120px}}
@media(max-width:767px){:root{--gutter:16px;--title:clamp(38px,9.8vw,72px);--h2:32px;--small:18px;--body:16px;--radius:16px}.site-header{min-height:80px;padding-block:8px}.logo{width:64px}.menu-toggle{display:grid;gap:6px;place-content:center;width:48px;height:48px;z-index:32}.menu-toggle span{display:block;width:32px;border-top:2px dashed var(--accent);transition:transform 300ms,opacity 180ms}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(8px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-8px) rotate(-45deg)}.navigation{position:fixed;inset:0;background:var(--bg);z-index:30;padding:112px 24px 32px;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:16px;overflow:auto;visibility:hidden;opacity:0;transform:translateY(-12px);transition:opacity 300ms,transform 300ms,visibility 300ms}.navigation.is-open{visibility:visible;opacity:1;transform:translateY(0)}.navigation>a,.navigation>button{text-align:left;font-size:28px}.mobile-contacts{display:grid;gap:8px;margin-top:auto;padding-top:40px}.mobile-contacts a{font-size:16px;white-space:normal;overflow-wrap:anywhere}.menu-open .site-header>.logo{position:relative;z-index:31}.menu-open .menu-toggle{position:fixed;right:16px;top:16px}.home-hero{padding-top:16px;padding-bottom:64px}.eyebrow{font-size:14px}.hero-heading{gap:12px}.hero-summary{font-size:16px;line-height:1.5;margin:24px auto;max-width:520px}.actions{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:12px}.button,.audience .button{width:100%;font-size:16px;min-height:56px;padding:16px 20px;gap:12px}.devices{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:24px;margin-top:24px;width:100%;scrollbar-width:none}.devices::-webkit-scrollbar{display:none}.device-card{flex:0 0 100%;scroll-snap-align:center;gap:16px;padding:12px 16px}.device-stage{height:340px;min-height:0;max-width:400px}.device-product,.central .device-product{width:240px;min-width:0;max-width:70%;max-height:280px;object-fit:contain}.device-card:not(.central) .device-orbit{width:100%}.device-card figcaption{max-width:320px;min-height:84px;line-height:1.4}.device-card figcaption span{margin-bottom:8px}.hero-dots{display:flex;justify-content:center;gap:8px}.hero-dots button{display:grid;place-items:center;width:44px;height:44px}.hero-dots button:after{content:'';display:block;width:8px;height:8px;border-radius:50%;background:var(--line)}.hero-dots button[aria-current=true]:after{background:var(--accent)}.benefits{grid-template-columns:1fr;gap:28px}.benefits li{font-size:18px}.concept-copy{padding:24px 16px}.video-wrap{aspect-ratio:1032/565}.audience,.audience.teachers{margin-top:64px}.audience h2,.teachers h2{font-size:32px}.audience-copy>p{line-height:1.5}.diagram{grid-template-columns:24% 28% 48%;grid-template-rows:repeat(4,minmax(96px,auto));min-height:460px}.diagram .detail{font-size:14px;line-height:1.5}.diagram .detail.first{grid-column:2/4;max-width:240px}.diagram .fan{width:88%;opacity:.7}.diagram .detail.fourth{max-width:240px}.diagram .schematic{width:64px}.teachers .diagram{grid-template-columns:50% 26% 24%}.teachers .diagram .detail.first{margin-left:0;max-width:260px}.teachers .diagram .detail.fourth{margin-left:0;max-width:270px}.sveta{margin-top:64px}.sveta .actions{margin-top:32px}.sveta-heading>p:last-child{margin-top:8px;line-height:1.5}.sveta-cards{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;margin-top:32px;padding-bottom:8px}.sveta-card{flex:0 0 88%;min-height:360px;scroll-snap-align:start}.sveta-card h3{font-size:22px}.contact{margin-top:64px;padding-bottom:64px}.contact h2{font-size:36px}.fields{grid-template-columns:1fr;gap:16px}.field input{height:56px}.contact-form{gap:20px}.consent{font-size:14px}.form-submit{margin-top:8px}.site-footer{padding-block:32px}.footer-grid{grid-template-columns:1fr 100px;gap:32px}.footer-logo{grid-column:2;grid-row:1;width:100px}.footer-nav{grid-column:1;grid-row:1}.footer-docs{grid-column:1/-1;grid-row:2}.footer-contact{grid-column:1/-1;grid-row:3}.footer-links{gap:12px}.copyright{font-size:11px}.trajectory{width:520px;left:-400px;opacity:.4}.trajectory.right{right:-400px}.trajectory.lower{top:50%}dialog{padding:20px;max-height:calc(100dvh - 24px)}dialog .button{font-size:16px}.dialog-close{margin-bottom:8px}.contact-intro>p{line-height:1.5}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Geometry authority: темная тема.svg, 1920 × 5649. */
:root{--reference-gap:180;--reference-dash:29;--reference-stroke:2px}
.reference-background{position:absolute;top:0;left:50%;translate:-50% 0;width:100%;max-width:1920px;height:auto;pointer-events:none;z-index:-1}
body{position:relative;isolation:isolate}.device-stage:before{content:none}
.frame-stroke{position:absolute!important;top:0;left:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:3!important;fill:none;color:var(--line)}
.frame-stroke rect{width:calc(100% - 2px);height:calc(100% - 2px);stroke:currentColor;stroke-width:2;stroke-dasharray:29 29}
.reference-frame{position:relative;border:0}.concept-copy .frame-stroke{color:var(--green)}
.diagram .detail{border-bottom:1px solid var(--green)}
.device-orbit{animation:reference-turn 90s linear infinite;transform-origin:center}.device-card:nth-child(2) .device-orbit{animation-direction:reverse;animation-duration:96s}
@keyframes reference-turn{from{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}
.device-card:nth-child(2) .device-orbit{animation:none}
@media(min-width:1024px){
 :root{--u:min(1px,calc(100vw / 1920));--gutter:calc(69 * var(--u));--title:calc(128 * var(--u));--h2:calc(64 * var(--u));--small:max(16px,calc(24 * var(--u)));--section:calc(180 * var(--u))}
 .container{max-width:1782px}.site-header{height:calc(142.677 * var(--u));min-height:0;padding-block:calc(15 * var(--u))}.logo{width:calc(110.099 * var(--u))}
 .navigation{gap:calc(41 * var(--u))}.navigation a,.navigation button{font-size:max(16px,calc(20 * var(--u)))}
 h1{letter-spacing:0;line-height:1}.home-hero{padding:0;min-height:calc(1022.263 * var(--u));display:flex;flex-direction:column;align-items:center}
 .hero-heading{gap:calc(16 * var(--u));width:100%}.hero-heading h1{font-size:var(--title)}.hero-heading .eyebrow{line-height:1;font-size:var(--small)}
 .hero-summary{font-size:var(--body);line-height:1.2;max-width:calc(900 * var(--u));margin:calc(24 * var(--u)) auto calc(24 * var(--u))}
 .button,.audience .button{width:calc(300 * var(--u));min-height:calc(60 * var(--u));padding:calc(16 * var(--u)) calc(32 * var(--u));font-size:max(16px,calc(20 * var(--u)));border-radius:30px}.actions{gap:calc(10 * var(--u));flex-wrap:nowrap}
 .devices{width:calc(1600 * var(--u));max-width:none;grid-template-columns:437fr 532fr 437fr;column-gap:calc(97 * var(--u));margin:calc(0 * var(--u)) auto 0;align-items:start}
 .device-stage{height:calc(524 * var(--u));min-height:0}.device-card{gap:calc(24 * var(--u))}
 .device-card .device-orbit,.device-card:not(.central) .device-orbit{width:100%}.device-product{width:calc(240.505 * var(--u));min-width:0;max-width:none}.device-card:last-child .device-product{width:calc(250 * var(--u))}.central .device-product{width:calc(380 * var(--u));max-width:none}
 .device-card figcaption{max-width:calc(390 * var(--u));font-size:var(--body);line-height:1.2}.device-card figcaption span{margin-bottom:calc(12 * var(--u))}
 .concept{margin-top:0;grid-template-columns:1032fr 732fr;gap:calc(15.512 * var(--u));min-height:calc(565 * var(--u));align-items:stretch}.concept-copy{min-height:calc(565 * var(--u));padding:calc(20 * var(--u));border-radius:20px}.video-wrap{aspect-ratio:1032/565;min-height:calc(565 * var(--u))}.benefits{gap:calc(48 * var(--u))}.benefits li{font-size:var(--small);grid-template-columns:calc(56 * var(--u)) 1fr;gap:calc(20 * var(--u))}
 .audience,.audience.teachers{margin-top:var(--section);min-height:calc(720.525 * var(--u));grid-template-columns:823.66fr 958.34fr;align-items:start}
 .audience-copy{min-height:0;height:calc(557.82 * var(--u));padding-top:calc(49.82 * var(--u));padding-bottom:0}.audience h2,.teachers h2{font-size:var(--h2);line-height:.859375;max-width:100%}.audience-copy>p{margin-top:calc(24 * var(--u));max-width:calc(327 * var(--u));line-height:1.1}.audience-copy .actions{margin-top:auto;padding-top:0}
 .diagram{width:100%;min-height:calc(720.525 * var(--u));grid-template-columns:8.1% 14% 33.8% 15.5% 28.6%;grid-template-rows:7.35% 11% 13.8% 12% 10.7% 12% 14.7% 18.45%;align-items:start}
 .diagram .fan{left:0;top:0;width:75.185%;height:auto;max-width:none;object-fit:contain}.diagram .schematic{grid-column:2;grid-row:4/7;align-self:center;width:calc(125.649 * var(--u));max-width:100%;justify-self:start}
 .diagram .detail{font-size:var(--body);line-height:1.1;padding:0 0 calc(12 * var(--u));max-width:none;justify-self:stretch}.diagram .detail.first{grid-column:4/6;grid-row:2;width:calc(175.452 * var(--u));max-width:100%;justify-self:start}.diagram .detail.second{grid-column:5;grid-row:4}.diagram .detail.third{grid-column:5;grid-row:6}.diagram .detail.fourth{grid-column:4/6;grid-row:8;width:calc(324 * var(--u));max-width:100%;justify-self:end}
 .audience.teachers{grid-template-columns:1097fr 685fr}.teachers .audience-copy{height:calc(557.78 * var(--u));padding-top:calc(69.78 * var(--u));order:2}.teachers .audience-copy>p{max-width:calc(396.524 * var(--u))}.teachers .diagram{grid-template-columns:7.35% 28% 18% 22.65% 13% 11%;grid-template-rows:14.48% 14% 4% 16% 4% 18% 6.2% 23.32%;min-height:calc(720.525 * var(--u))}.teachers .diagram .fan{left:auto;right:4.2%;width:65.68%;height:auto}.teachers .diagram .schematic{grid-column:5;grid-row:4/7;justify-self:start}.teachers .diagram .detail.first{grid-column:2/4;grid-row:2;margin-left:0;width:calc(366 * var(--u));max-width:100%}.teachers .diagram .detail.second{grid-column:1/4;grid-row:4;margin-left:calc(14.5 * var(--u));width:calc(336 * var(--u))}.teachers .diagram .detail.third{grid-column:1/4;grid-row:6;margin-left:calc(14.5 * var(--u));width:calc(298 * var(--u))}.teachers .diagram .detail.fourth{grid-column:1/5;grid-row:8;margin-left:calc(50 * var(--u));width:calc(471 * var(--u));max-width:calc(100% - 50 * var(--u))}
 .sveta{margin-top:var(--section)}.sveta-heading{min-height:calc(219.28 * var(--u));gap:calc(18 * var(--u))}.sveta-heading .eyebrow{line-height:1}.sveta h2{font-size:var(--title);line-height:.737}.sveta-heading>p:last-child{max-width:calc(510 * var(--u));margin-top:calc(24 * var(--u));line-height:1.1}.sveta .actions{margin-top:calc(48 * var(--u))}.sveta-cards{margin-top:calc(48 * var(--u));gap:calc(20 * var(--u))}.sveta-card{min-height:calc(600 * var(--u));aspect-ratio:581/600;padding:calc(20 * var(--u));border-radius:20px}.sveta-card h3{font-size:var(--small)}.sveta-card .plus,.sveta-card .plus img{width:calc(65 * var(--u));height:calc(65 * var(--u))}
 .contact{margin-top:var(--section);grid-template-columns:514fr 1180fr;gap:calc(87 * var(--u));padding-bottom:calc(180 * var(--u));min-height:calc(488 * var(--u))}.contact h2{font-size:var(--h2);line-height:.86}.contact-intro>p{margin-top:calc(24 * var(--u));line-height:1.1}.contact-form{gap:calc(28 * var(--u))}.fields{gap:calc(20 * var(--u))}.field{position:relative}.field label{position:absolute;left:16px;top:0;translate:0 -50%;background:var(--bg);padding-inline:4px;z-index:1;font-size:12px}.field input{height:calc(62 * var(--u));min-height:44px}.form-submit{width:calc(580 * var(--u));margin-top:calc(16 * var(--u))}.consent{font-size:max(16px,calc(18 * var(--u)))}
 .site-footer{min-height:calc(294.73 * var(--u));padding:calc(54.72 * var(--u)) 0 calc(32 * var(--u))}.footer-grid{grid-template-columns:220fr 726fr 300fr 380fr;gap:calc(52 * var(--u))}.footer-logo{width:calc(174.31 * var(--u))}.footer-docs{padding-top:calc(40 * var(--u))}.footer-links,.footer-contact{font-size:var(--body)}.copyright{margin-top:calc(24 * var(--u))}
}
@media(max-width:1023px){.reference-background{display:none}.concept:before,.sveta:before,.audience:before{content:'';position:absolute;right:-35%;top:10%;width:65%;aspect-ratio:1;z-index:-1;background:url('assets/home/reference-left.svg') center/contain no-repeat;pointer-events:none;animation:orbit 90s linear infinite}.audience:nth-of-type(even):before{right:auto;left:-35%;animation-direction:reverse}.diagram .fan{height:auto;top:50%;translate:0 -50%}.device-card .device-orbit{max-width:100%}.reference-frame{border-radius:var(--radius)}.diagram .detail{font-size:16px}.diagram{grid-template-rows:repeat(4,minmax(120px,auto));gap:16px 0}.teachers .diagram{grid-template-rows:repeat(4,minmax(140px,auto))}.device-stage{isolation:isolate}.sveta-card .frame-stroke rect{rx:15px}}
@media(prefers-reduced-motion:reduce){.device-orbit,.concept:before,.sveta:before,.audience:before{animation:none!important}}

/* Shared vertical rhythm with kasper.html; spacing update v1. */
:root{--home-section-space:calc(160 * var(--u) * 1.5)}
.site-header{height:auto;min-height:calc(114 * var(--u));padding-top:calc(12 * var(--u));padding-bottom:0;align-items:flex-start}
.site-header .logo{width:calc(96 * var(--u))}
.site-header .navigation{padding-top:calc(17 * var(--u))}
.site-header .navigation>a,.site-header .navigation>button{display:flex;align-items:center;padding:0;min-height:44px}
.home-hero{padding-top:0;padding-bottom:0;min-height:0}
.hero-heading{gap:8px}
.hero-heading .eyebrow{font-size:clamp(16px,1.25vw,24px);font-weight:800;line-height:1.5;color:#999}
.hero-heading h1{font-size:calc(128 * var(--u));line-height:.712765625;letter-spacing:0;text-wrap:balance}
main>.concept,main>.audience,main>.audience.teachers,main>.sveta,main>.contact{margin-top:var(--home-section-space)}
main>.contact{padding-bottom:var(--home-section-space);min-height:0}
@media(min-width:1800px){.site-header{height:calc(96 * var(--u));min-height:0}.hero-heading h1{height:calc(91.234 * var(--u))}}
@media(max-width:1439px){:root{--home-section-space:168px}}
@media(max-width:1023px){:root{--home-section-space:144px}.site-header{min-height:96px;align-items:center;padding-top:8px}.site-header .logo{width:76px}.site-header .navigation{padding-top:0}.hero-heading h1{font-size:64px;line-height:1.05;height:auto}}
@media(max-width:767px){:root{--home-section-space:96px}.site-header{min-height:84px;gap:8px 24px}.site-header .logo{width:64px}.home-hero{padding-top:8px}.hero-heading h1{font-size:clamp(40px,11.28vw,56px);line-height:1.1;word-break:normal;overflow-wrap:normal}.site-header .navigation{padding-top:112px}.site-header .navigation>a,.site-header .navigation>button{padding-block:8px}}
@media(max-width:374px){.hero-heading h1{font-size:34px}}
/* Shared with the Kasper page: typing, CTA states and footer. */
:root{--duration:240ms;--white:#fff}
.intro-accessible{position:absolute;width:1px;height:1px;padding:0;margin:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.intro-letter{position:relative;color:transparent}
.intro-letter-visible{color:inherit}
.intro-cursor::after{content:'';position:absolute;left:100%;top:50%;transform:translateY(-50%);height:1em;border-left:2px solid var(--text);pointer-events:none;animation:intro-caret 800ms step-end 6}
.intro-cursor-before::after{left:0}
@keyframes intro-caret{50%{opacity:0}}
@media(prefers-reduced-motion:reduce){.intro-cursor::after{animation:none}}
:root{--cta-gradient:linear-gradient(110deg,#ffeb70,#9aff16);--menu-green:#85b989}
.cta-motion{position:relative;isolation:isolate;transition:background-color var(--duration) ease-out,color var(--duration) ease-out;border-color:var(--green)}
.cta-motion::before{content:"";position:absolute;inset:-1px;box-sizing:border-box;border:1px solid transparent;border-radius:inherit;background:linear-gradient(var(--cta-surface,var(--green)),var(--cta-surface,var(--green))) padding-box,var(--cta-gradient) border-box;z-index:-1;pointer-events:none;opacity:0;transition:opacity var(--duration) ease-out}
.cta-outline{background:var(--green);border-color:transparent}
.cta-label{display:block}.cta-arrow{display:block;flex:none;transition:transform var(--duration) ease-out}
.cta-motion:focus-visible::before{opacity:1}
@media(hover:hover){
.cta-motion:not(:disabled):hover{background:var(--green);border-color:transparent;color:var(--text)}
.cta-outline:not(:disabled):hover{background:var(--green)}
.cta-motion:not(:disabled):hover::before{opacity:1}
.cta-motion:not(:disabled):hover .cta-label{background:var(--cta-gradient);background-clip:text;-webkit-background-clip:text;color:transparent}
.cta-motion:not(:disabled):hover .cta-arrow{transform:rotate(-45deg)}
.cta-filled:hover .cta-arrow path{stroke:var(--arrow-gradient)}
.cta-outline:hover .cta-arrow path{stroke:url(#cta-gradient-2)}
.nav a:hover,.nav button:hover,nav.footer-links a:hover,nav.footer-links button:hover{color:var(--menu-green);text-decoration:none}
}
.cta-motion:not(:disabled):active{--cta-surface:var(--white);background:var(--white);color:var(--green)}
.cta-outline:not(:disabled):active{--cta-surface:var(--green);background:var(--green);color:var(--white)}
.cta-motion:not(:disabled):active .cta-label{background:none;color:inherit}
.cta-motion:not(:disabled):active .cta-arrow{transform:rotate(-45deg)}
.cta-motion:not(:disabled):active .cta-arrow path{stroke:currentColor}
.nav a,.nav button,nav.footer-links a,nav.footer-links button{text-decoration:none;transition:color var(--duration) ease-out}
.nav a:active,.nav button:active,.nav a:focus-visible,.nav button:focus-visible,nav.footer-links a:active,nav.footer-links button:active,nav.footer-links a:focus-visible,nav.footer-links button:focus-visible{color:var(--menu-green);text-decoration:none}
@media(prefers-reduced-motion:reduce){.cta-motion,.cta-motion::before,.cta-arrow,.nav a,.nav button,nav.footer-links a,nav.footer-links button{transition:none}.cta-motion .cta-arrow{transform:none!important}}
.site-footer{border-top:1px dashed #7a797755;padding-top:calc(54 * var(--u));padding-bottom:calc(48 * var(--u));min-height:calc(295 * var(--u))}.footer-grid{display:grid;grid-template-columns:calc(174.31 * var(--u)) minmax(0,1fr) calc(230 * var(--u)) calc(281 * var(--u));gap:calc(126 * var(--u));align-items:start}.footer-logo{display:block;grid-column:1;grid-row:1;width:calc(174.31 * var(--u))}.footer-logo img{width:100%;height:auto}.footer-grid>nav{grid-column:3;grid-row:1}.footer-grid>.footer-links:not(nav){grid-column:2;grid-row:1;padding-top:calc(48 * var(--u))}.footer-links{display:flex;flex-direction:column;gap:8px;font-size:var(--body);line-height:1.2}.footer-links a,.footer-links button{display:block;align-self:flex-start;padding:0;text-align:left;min-height:24px}.footer-contact{display:flex;flex-direction:column;gap:12px;min-width:0;font-size:var(--body);line-height:1.2}.footer-contact>a{overflow-wrap:anywhere}.socials{display:flex;gap:calc(27 * var(--u));margin-top:8px}.socials button,.socials img{display:block;width:48px;height:48px;padding:0}
.footer-copyright{display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-start;gap:8px;margin-block:12px 0;color:#999;font-size:12px;line-height:1.5;text-align:left;white-space:nowrap}
.footer-copyright > span{display:block}
.copyright-wordmark{display:block;flex:none;width:64px;height:auto;aspect-ratio:173 / 30;filter:grayscale(1) brightness(.65)}
.site-footer{--footer-group-gap:48px;--footer-item-gap:4px}
.site-footer .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) minmax(0,1.5fr) auto;gap:var(--footer-group-gap);align-items:start}
.site-footer .footer-logo{grid-column:4;grid-row:1;justify-self:end;max-width:100%}
.site-footer .footer-grid>nav{grid-column:1;grid-row:1;padding-top:0}
.site-footer .footer-grid>.footer-links:not(nav){grid-column:2;grid-row:1;padding-top:0}
.site-footer .footer-contact{grid-column:3;grid-row:1;padding-top:0;gap:8px}
.site-footer .footer-links{gap:var(--footer-item-gap);line-height:1.5}
.site-footer .footer-links a,.site-footer .footer-links button{margin:0;line-height:1.5}
.site-footer .footer-contact .socials{margin-top:8px}
@media(max-width:1023px){
 .site-footer{--footer-group-gap:32px;--footer-item-gap:0px}
 .site-footer .footer-grid{grid-template-columns:minmax(0,1fr) 120px;gap:var(--footer-group-gap) 24px}
 .site-footer .footer-logo{grid-column:2;grid-row:1;justify-self:end}
 .site-footer .footer-grid>nav{grid-column:1;grid-row:1}
 .site-footer .footer-grid>.footer-links:not(nav){grid-column:1/-1;grid-row:2}
 .site-footer .footer-contact{grid-column:1/-1;grid-row:3}
 .site-footer .footer-links a,.site-footer .footer-links button{display:flex;align-items:center;min-height:44px}
}
/* Mobile headings keep whole words; the video introduction is more compact. */
.home-shared-footer{--body:clamp(16px,1.25vw,24px);padding-inline:0;color:var(--text)}
.home-shared-footer .footer-logo{width:calc(174.31 * var(--u));max-width:100%}
.home-shared-footer .footer-logo a{display:block}
.home-shared-footer .footer-links{font-size:var(--body);display:flex;flex-direction:column}
.home-shared-footer .footer-contact{font-size:var(--body);display:flex;flex-direction:column}
.home-shared-footer .footer-links button{padding:0;text-align:left}
.home-shared-footer .footer-copyright{font-size:12px}
.home-shared-footer .socials{gap:calc(27 * var(--u))}
.cta-motion .cta-arrow{width:16px;height:14px}
@media(max-width:1023px){.home-shared-footer .footer-logo{width:120px}.home-shared-footer .footer-grid{grid-template-columns:minmax(0,1fr) 120px}}
@media(max-width:767px){.home-shared-footer{padding-block:40px 32px}.home-shared-footer .footer-logo{width:100px}.home-shared-footer .footer-grid{grid-template-columns:minmax(0,1fr) 100px}.home-shared-footer .footer-copyright{gap:8px}.home-shared-footer .socials{gap:24px}}

/* Typing preserves authored block spans and excludes glyphs from span layout rules. */
typing-content{display:contents}
typing-word{display:inline;white-space:nowrap}
typing-letter{display:inline;font:inherit;letter-spacing:inherit}
typing-accessible.intro-accessible{display:block!important;position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:0!important;overflow:hidden!important;clip-path:inset(50%);white-space:nowrap}

/* Align the visible teachers heading to the shared section gap. */
@media(min-width:1024px){main>.audience.parents+.audience.teachers{margin-top:calc(var(--home-section-space) - 69.78 * var(--u))}}

/* Typography from Figma 9329:230; local SVG contains outlined text. */
.hero-summary,.device-card figcaption,.benefits li,.sveta-heading .eyebrow{font-weight:800}
.audience h2{letter-spacing:-.01em}
@media(min-width:1024px){
 .hero-summary{font-size:var(--small);line-height:calc(20 / 24);max-width:calc(725.337 * var(--u))}
 .device-card figcaption,.device-card figcaption span{font-size:var(--small);line-height:calc(20 / 24)}
 .benefits li{line-height:calc(20 / 24)}
 .audience-copy>p,.diagram .detail,.sveta-heading>p:last-child,.contact-intro>p{line-height:1}
 .diagram .detail strong{font-size:var(--small);font-weight:800}
 .sveta-heading .eyebrow{font-size:var(--small);line-height:calc(20 / 24)}
 .sveta-card h3{line-height:1.2}
 .contact h2{line-height:calc(55 / 64)}
 .contact-intro>p{max-width:calc(309.361 * var(--u))}
 .contact-form .consent{font-size:var(--body);line-height:1}
 .button{line-height:1}
}

/* Same video controls as kasper.html. */
.video-wrap{position:relative;isolation:isolate}
.video-wrap button{position:absolute;z-index:2;display:grid;place-items:center;width:48px;height:48px;min-height:44px;padding:0;color:#fff;border:0;border-radius:8px;background:var(--green);cursor:pointer}
.video-wrap .video-pause{top:16px;right:16px}
.video-wrap .video-fullscreen{left:16px;bottom:16px;background:#0d0d0de6}
.video-wrap .video-sound{right:16px;bottom:16px;background:#0d0d0de6}
.video-wrap button:focus-visible{outline:2px solid #b5deb1;outline-offset:4px}
@media(hover:hover){.video-wrap button:hover{filter:brightness(1.15)}}
.video-viewer{position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;background:#000;overflow:hidden}
.video-viewer::backdrop{background:#000}
.video-wrap:fullscreen,.video-viewer .video-wrap{width:100%;height:100%;min-height:0;margin:0;aspect-ratio:auto;border-radius:0;background:#000;display:grid;place-items:center}
.video-wrap:fullscreen video,.video-viewer .video-wrap video{width:100%;height:100%;max-height:100dvh;object-fit:contain;object-position:center}
@media(max-width:767px){.video-wrap .video-pause{top:8px;right:8px}.video-wrap .video-fullscreen{left:8px;bottom:8px}.video-wrap .video-sound{right:8px;bottom:8px}}

/* Green benefits panel: breathing room at frame, compact number labels. */
.concept-copy{--benefit-inset:clamp(24px,2.5vw,48px);--benefit-label-gap:12px;padding:var(--benefit-inset)}
.concept-copy .benefits li{grid-template-columns:2ch minmax(0,1fr);column-gap:var(--benefit-label-gap);align-items:center}
.concept-copy .benefits .number{display:block;align-self:center;justify-self:start;line-height:1.4;font-variant-numeric:tabular-nums;white-space:nowrap}
.concept-copy .benefits li>p{margin:0;line-height:1.4;text-align:left}
@media(max-width:767px){.concept-copy{--benefit-label-gap:8px}}

/* CTA geometry and motion shared with the current Kasper page. */
:root{--duration:200ms;--white:#fff;--button-radius:40px}
.button,.audience .button,dialog .button{justify-content:center;width:calc(300 * var(--u));max-width:100%;min-height:44px;height:calc(60 * var(--u));padding:8px 16px;gap:calc(48 * var(--u));border-radius:40px;font-family:var(--font);font-weight:700;font-size:max(16px,calc(20 * var(--u)));line-height:1.15;color:var(--text)}
.button.secondary{color:var(--text)}
.contact-form>.button{width:calc(580 * var(--u));height:auto;min-height:calc(69 * var(--u));padding:12px 24px;justify-self:start}
#test-drive-dialog .contact-form>.button{width:580px;min-height:60px;padding:16px 24px;font-size:16px;white-space:normal;gap:32px}
@media(min-width:1024px) and (max-width:1799px){.contact-form>.button{min-height:48px}}
@media(max-width:1023px){.button,.audience .button,dialog .button{width:260px;height:52px}.contact-form>.button{width:100%;height:auto;min-height:48px}}
@media(max-width:767px){
 .actions{grid-template-columns:minmax(0,1fr)}
 .button,.audience .button,dialog .button{width:100%;height:52px;min-height:52px;padding:10px 20px;font-size:16px;gap:18px}
 .contact-form>.button{height:auto;min-height:52px;padding:12px 24px}
 #test-drive-dialog .contact-form>.button{width:100%;min-height:52px;padding:12px 16px;gap:16px}
 .cta-motion.is-tap-animating:not(:disabled){background:var(--green);border-color:transparent;color:var(--text);animation:cta-mobile-tap-pulse 520ms ease-out both}
 .cta-motion.is-tap-animating:not(:disabled)::before{opacity:1}
 .cta-motion.is-tap-animating:not(:disabled) .cta-label{background:var(--cta-gradient);background-clip:text;-webkit-background-clip:text;color:transparent}
 .cta-motion.is-tap-animating:not(:disabled) .cta-arrow{transform:rotate(-45deg)}
 .cta-motion.is-tap-animating:not(:disabled) .cta-arrow path{stroke:var(--arrow-gradient)}
}
@keyframes cta-mobile-tap-pulse{0%{filter:brightness(1);transform:translateY(0)}42%{filter:brightness(1.16);transform:translateY(-1px)}100%{filter:brightness(1);transform:translateY(0)}}
@media(prefers-reduced-motion:reduce){.cta-motion.is-tap-animating:not(:disabled){animation:none}.cta-motion,.cta-motion::before,.cta-arrow{transition:none}}

/* Keep the teachers copy group on the common right-hand guide. */
@media(min-width:1024px){.teachers .audience-copy{width:calc(610 * var(--u));max-width:100%;justify-self:end}.teachers .audience-copy>.actions{width:100%;justify-content:space-between}}

/* Contact form uses the current Kasper form geometry and input treatment. */
#contacts{grid-template-columns:minmax(0,539fr) minmax(0,1180fr);gap:calc(70 * var(--u));align-items:start}
#contacts .contact-intro{display:flex;flex-direction:column;gap:calc(24 * var(--u));padding-left:calc(8 * var(--u))}
#contacts h2{max-width:calc(510 * var(--u));font-size:var(--h2);line-height:.86}
#contacts h2 .green{margin-top:calc(16 * var(--u))}
#contacts .contact-intro>p{max-width:calc(280 * var(--u));margin:0;line-height:1.2}
#contacts .contact-form{display:flex;flex-direction:column;gap:calc(28 * var(--u));min-width:0}
#contacts .fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:calc(20 * var(--u));align-items:start}
#contacts .field{gap:8px;min-width:0}
#contacts .field label.sr-only{position:absolute;width:1px;height:1px;margin:0;padding:0;border:0;clip-path:inset(50%);overflow:hidden;white-space:nowrap}
#contacts .field input{height:62px;min-height:0;padding:0 10px;border:1px dashed var(--line);border-radius:10px;background:transparent;color:var(--text);font-size:16px;line-height:normal}
#contacts .field input::placeholder{color:var(--text);opacity:1}
#contacts .field input[aria-invalid=true]{border-color:var(--error)}
#contacts .field input:focus,#contacts .field input:focus-visible{border-color:var(--green);outline:none;box-shadow:none}
#contacts .field-error{font-size:16px;line-height:1.4}
#contacts .consent{display:grid;grid-template-columns:20px minmax(0,1fr);gap:12px;align-items:start;font-size:max(16px,calc(20 * var(--u)));line-height:24px}
#contacts .consent input{display:block;width:20px;height:20px;margin:2px 0 0}
#contacts .consent label{display:block;min-height:44px;cursor:pointer}
#contacts .contact-form>.button{align-self:flex-start;margin-top:calc(40 * var(--u))}
@media(min-width:1800px){#contacts .contact-intro{padding:0}#contacts h2{max-width:calc(539 * var(--u));line-height:calc(62 * var(--u))}#contacts .contact-intro>p{max-width:calc(249 * var(--u));line-height:calc(20 * var(--u))}#contacts .contact-form>.button{margin-top:calc(41 * var(--u))}}
@media(min-width:1024px) and (max-width:1799px){#contacts{gap:40px}#contacts h2{font-size:40px;line-height:1.05}#contacts .contact-form>.button{margin-top:24px}}
@media(max-width:1023px){#contacts{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:32px}#contacts .contact-intro{padding:0}#contacts h2{font-size:32px;max-width:none;line-height:1.1}#contacts .contact-intro>p{max-width:260px;line-height:1.5}#contacts .contact-form{gap:24px}#contacts .fields{grid-template-columns:minmax(0,1fr);gap:16px}#contacts .contact-form>.button{margin-top:8px}}
@media(max-width:767px){#contacts{grid-template-columns:minmax(0,1fr)}#contacts h2{font-size:clamp(40px,10.6vw,56px);overflow-wrap:normal;word-break:normal}#contacts .contact-intro>p{max-width:320px}#contacts .field input{height:48px;padding-inline:12px}#contacts .consent{font-size:16px;line-height:24px}}

/* Independent circular motion: centers and line geometry remain fixed. */
:root{--home-hover-time:240ms;--home-ring-hover-time:12s}
svg.device-orbit, .device-card:nth-child(2) svg.device-orbit{animation:none;aspect-ratio:1;display:block}
.device-card.central svg.device-orbit{aspect-ratio:532/524}
.home-ring{transform-box:fill-box;transform-origin:center;animation:home-ring-turn var(--ring-time,84s) linear infinite;animation-direction:var(--ring-direction,normal);transition:stroke var(--home-hover-time) ease-out}
@keyframes home-ring-turn{from{transform:rotate(var(--ring-start,0deg))}to{transform:rotate(calc(var(--ring-start,0deg) + 360deg))}}
.device-stage .device-product{position:relative;z-index:1}
.device-card:not(.central) .device-product{transform:scale(1);transform-origin:center;transition:transform var(--home-hover-time) ease-out}
.device-card:not(.central).is-device-hover .device-product{transform:scale(1.06)}
.device-card.central .device-product{filter:drop-shadow(0 0 24px #58ab5e00) drop-shadow(0 0 56px #446b4700);transition:filter var(--home-hover-time) ease-out}
.home-hero.has-device-hover .central .device-product{filter:drop-shadow(0 0 24px #58ab5e99) drop-shadow(0 0 56px #446b4777)}
.device-card.is-device-hover .home-ring{stroke:var(--green);animation-duration:var(--home-ring-hover-time)}
@media(prefers-reduced-motion:reduce){.home-ring{animation:none!important;transition:none}.device-card .device-product{transition:none!important}}

/* Hero text and CTA intervals from the Kasper page. */
.home-hero,.sveta{--hero-copy-gap:calc(56 * var(--u));--hero-action-gap:calc(48 * var(--u))}
.home-hero .hero-summary{margin:var(--hero-copy-gap) auto 0}
.home-hero>.actions{margin-top:var(--hero-action-gap)}
@media(min-width:1024px) and (max-width:1799px){.home-hero,.sveta{--hero-copy-gap:calc(24px + 8 * var(--u));--hero-action-gap:32px}}
@media(min-width:768px) and (max-width:1023px){.home-hero,.sveta{--hero-copy-gap:40px;--hero-action-gap:24px}}
@media(max-width:767px){.home-hero,.sveta{--hero-copy-gap:24px;--hero-action-gap:24px}}

/* Decorative orbit points fade to transparent without a solid edge. */
:root{--orbit-point-blur:2px}
circle[fill="url(#soft-orbit-point)"]{filter:none;stroke:none}
.device-spec-connectors circle{filter:blur(var(--orbit-point-blur));stroke:none}

/* Align device eye with fan ray. */
.audience .diagram{--diagram-device-gap:12px}
.audience .diagram .schematic{position:absolute;left:var(--diagram-device-x,8%);top:var(--diagram-device-y,47%);height:auto;max-width:100%;margin:0;grid-area:auto;z-index:1}

/* Independent audience scans with stationary devices. */
:root{--audience-reveal-time:200ms;--audience-ray-color:#7a7977}

.audience .diagram.scan-enabled .detail{opacity:0;transition:opacity var(--audience-reveal-time) ease-out}
.audience .diagram.scan-enabled .detail.scan-revealed{opacity:1}
.audience .diagram.scan-enabled .fan{opacity:0;overflow:visible}
.audience .diagram.scan-enabled .fan.scan-started{opacity:1}
.audience-scan-ray{stroke:var(--audience-ray-color);stroke-width:3;stroke-linecap:round;pointer-events:none}
@media(prefers-reduced-motion:reduce){.audience .diagram.scan-enabled .schematic,.audience .diagram.scan-enabled .detail,.audience .diagram.scan-enabled .fan{opacity:1;transition:none}.audience-scan-ray{display:none}}

/* Sveta spacing and card feedback. */
.sveta{--sveta-cards-gap:64px;--sveta-dash:16px;--sveta-dash-gap:20px;--sveta-arrow-time:240ms}
.sveta .sveta-heading{min-height:0;row-gap:0}
.sveta-heading>.eyebrow{margin-bottom:18px}
.sveta .sveta-heading>p:last-child{margin-top:var(--hero-copy-gap)}
.sveta>.actions{margin-top:var(--hero-action-gap)}
.sveta>.sveta-cards{margin-top:var(--sveta-cards-gap)}
.sveta-card .frame-stroke rect{stroke-dasharray:var(--sveta-dash) var(--sveta-dash-gap);stroke-width:2}
.sveta-card .plus svg{display:block;width:100%;height:100%;overflow:visible}
.sveta-card .card-arrow{transform-box:view-box;transform-origin:32.5px 32.5px;transition:transform var(--sveta-arrow-time) ease-out,stroke var(--sveta-arrow-time) ease-out}
.sveta-card .card-arrow-ring{fill:transparent;transition:stroke var(--sveta-arrow-time) ease-out,fill var(--sveta-arrow-time) ease-out}
@media(hover:hover){.sveta-card:hover .card-arrow{transform:rotate(-45deg);stroke:var(--accent)}.sveta-card:hover .card-arrow-ring{stroke:var(--accent);stroke-dasharray:none;fill:#446b4726}}
.sveta-card:focus-visible .card-arrow,.sveta-card:active .card-arrow{transform:rotate(-45deg);stroke:var(--accent)}
.sveta-card:focus-visible .card-arrow-ring,.sveta-card:active .card-arrow-ring{stroke:var(--accent);stroke-dasharray:none;fill:#446b4726}
@media(max-width:767px){.sveta{--sveta-cards-gap:48px}.sveta-heading>.eyebrow{margin-bottom:12px}}
@media(prefers-reduced-motion:reduce){.sveta-card .card-arrow,.sveta-card .card-arrow-ring{transition:none}}

/* Keep the central device and its rings aligned while lifting the group. */
.home-hero{--central-device-lift:0px}
@media(max-width:767px){.home-hero{--central-device-lift:48px}}
.home-hero .device-card.central .device-stage{translate:0 calc(-1 * var(--central-device-lift))}

/* Keep decorative hero orbits behind the opaque button surfaces. */
.home-hero>.devices{position:relative;z-index:0}
.home-hero>.actions{position:relative;z-index:1}

/* Mobile audience: an eye at the edge scans a centered vertical list. */
.mobile-audience-scan{display:none}
@media(max-width:767px){
 .audience .diagram{--mobile-device-width:320px;--mobile-device-top:32px;--mobile-text-clearance:152px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:32px;width:100%;min-height:max(480px,calc(var(--mobile-device-width) * 1.19423 + 64px));padding-block:32px;overflow:clip}
 .audience .diagram .detail[class]{position:relative;z-index:2;flex:none;align-self:flex-end;justify-self:end;width:calc(100% - var(--mobile-text-clearance));max-width:none;margin:0;padding:0 0 12px;text-align:right;font-size:16px;line-height:1.5;overflow-wrap:normal;word-break:normal}
 .audience .diagram .schematic{width:var(--mobile-device-width);max-width:none;left:calc(var(--mobile-device-width) * -.6);right:auto;top:var(--mobile-device-top);bottom:auto;transform:none;pointer-events:none}
 .audience .diagram .fan{display:none}
 .audience .diagram .mobile-audience-scan{display:block;position:absolute;left:0;top:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:0}
 .audience .diagram.scan-complete .mobile-audience-scan{display:none}
}
@media(max-width:767px) and (prefers-reduced-motion:reduce){.audience .diagram .mobile-audience-scan{display:none}}

/* Mirror the second mobile scan; reserve a separate column for labels. */
@media(max-width:767px){
 .audience.teachers .diagram .schematic{left:auto;right:calc(var(--mobile-device-width) * -.6);transform:scaleX(-1)}
 .audience.teachers .diagram .detail[class]{align-self:flex-start;justify-self:start;text-align:left;margin:0;width:calc(100% - var(--mobile-text-clearance));max-width:none}
}

/* Desktop: copy on the left, video on the right; mobile retains source order. */
@media (min-width:1024px){
 .concept{grid-template-columns:732fr 1032fr}
 .concept>.concept-copy{order:0}
 .concept>.video-wrap{order:1}
}

/* Readable hero copy and captions at every viewport width. */
.home-hero{--hero-text-leading:1.4}
.home-hero .hero-summary,.home-hero .device-card figcaption,.home-hero .device-card figcaption p,.home-hero .device-card figcaption span{line-height:var(--hero-text-leading)}