@charset "UTF-8";
:root{color-scheme:dark;--bg:#101b1b;--panel:#172625;--line:#2c3c36;--mint:#c2f4c8;--ink:#f3f6ed;--muted:#a6bab0;--orange:#edbc94;--radius:18px;font-family:"Noto Sans Armenian","Segoe UI",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:25px}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.65}button,input,select{font:inherit}button,a,input{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}button{color:inherit}button:disabled{opacity:.45;cursor:default}main,.site-header,footer{max-width:1440px;margin:auto;padding-left:5%;padding-right:5%}.site-header{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:30px}.brand{font-size:23px;font-weight:750;letter-spacing:1px;white-space:nowrap}.brand span{font-size:8px;letter-spacing:2px;display:block;padding-left:28px;color:var(--muted);margin-top:2px}.site-header nav{display:flex;gap:28px;font-size:12px;color:var(--muted)}.site-header nav a:hover{color:var(--mint)}.header-cta{border:1px solid #617c67;border-radius:8px;padding:11px 18px;font-size:12px}.header-cta span{padding-left:18px}.skip{position:fixed;left:20px;top:-100px;z-index:200;background:var(--mint);color:var(--bg);padding:12px}.skip:focus{top:10px}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:5%;align-items:center;padding:66px 0 60px}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:650;color:var(--muted)}.eyebrow i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--mint);margin-right:8px;box-shadow:0 0 12px #b6f2c970}h1,h2,h3,p{margin:0}h1{font-size:clamp(34px,4.2vw,61px);line-height:1.27;letter-spacing:-1.8px;margin:23px 0}h1 em{color:var(--mint);font-style:normal}.hero-copy>p{max-width:420px;color:var(--muted);font-size:14px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:26px;margin:30px 0 38px}.primary{border:0;border-radius:8px;background:var(--mint);color:#163628;font-weight:650;padding:14px 22px;display:inline-block;font-size:12px}.primary:hover{background:#ddffe0}.text-link{font-size:12px;border-bottom:1px solid #617c67;padding-bottom:4px}.hero-stats{display:flex;gap:32px;border-top:1px solid var(--line);padding-top:25px;max-width:460px}.hero-stats>div{display:flex;flex-direction:column}.hero-stats b{font-size:25px;font-weight:500;line-height:1.4}.hero-stats span{font-size:9px;color:var(--muted)}.hero-art{border:1px solid #314d40;border-radius:var(--radius);background:radial-gradient(ellipse at center,#234d3d 0%,#142a24 65%);position:relative;overflow:hidden}.hero-art svg{width:100%;display:block}.art-label{position:absolute;top:22px;left:24px;right:24px;display:flex;justify-content:space-between;font-size:8px;letter-spacing:1px;color:#b9d5c3}.art-label span{color:var(--mint)}.art-note{position:absolute;bottom:18px;left:20px;right:20px;padding:16px;background:#1c342de8;border:1px solid #466650;border-radius:9px;display:flex;gap:14px;align-items:center}.art-note>span{font-size:27px;color:var(--mint)}.art-note b{font-size:11px}.art-note small{display:block;color:var(--muted);font-size:9px}.class-section{padding:35px 0 40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:30px}h2{font-size:23px;line-height:1.45;font-weight:600;letter-spacing:-.5px}.class-section h2{font-size:17px;margin-top:5px}.grade-list{display:flex;gap:7px;flex-wrap:wrap}.grade-list button{width:35px;height:39px;border:1px solid #3c5147;background:transparent;color:var(--muted);border-radius:6px;font-size:12px}.grade-list button:first-child{width:auto;padding:0 12px}.grade-list button.active{background:var(--mint);color:#19372a;border-color:var(--mint)}.catalog-section{padding:57px 0 65px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.section-heading h2{margin-top:8px}.section-heading>span{font-size:11px;color:var(--muted)}.catalog-tools{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:30px}.subject-tabs{display:flex;gap:5px;flex-wrap:wrap}.subject-tabs button{padding:9px 13px;border:1px solid transparent;background:transparent;border-radius:6px;color:var(--muted);font-size:11px}.subject-tabs button.active{border-color:#455d4e;color:var(--mint);background:#24382d}.search{display:flex;align-items:center;gap:10px;flex:0 1 265px;border:1px solid var(--line);border-radius:7px;padding:8px 12px}.search span{font-size:22px;line-height:1}.search input{background:transparent;color:var(--ink);border:0;outline:0;width:100%;min-width:0;font-size:11px}.search:focus-within{border-color:var(--mint)}.catalog-options{display:flex;gap:22px;align-items:center;color:var(--muted);font-size:10px;margin:16px 0 24px}.catalog-options label{display:flex;align-items:center;gap:6px}.catalog-options input{accent-color:var(--mint)}.catalog-options button{margin-left:auto;background:none;border:0;color:var(--muted);font-size:10px}.experiment-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.experiment-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#152321;transition:transform .2s,border-color .2s;display:flex;flex-direction:column}.experiment-card:hover{transform:translateY(-4px);border-color:#709c79}.card-art{height:170px;position:relative;background:var(--art-bg,#1e3430);overflow:hidden}.card-art svg{width:100%;height:100%;display:block}.card-badge{position:absolute;top:14px;left:14px;font-size:9px;background:#13251ee8;border:1px solid #55715d;border-radius:4px;padding:3px 7px;color:var(--mint)}.card-badge.done{left:auto;right:14px}.card-body{padding:20px;flex:1;display:flex;flex-direction:column}.card-meta{display:flex;justify-content:space-between;gap:10px;color:var(--accent,var(--mint));font-size:9px}.card-body h3{font-size:17px;line-height:1.5;margin:9px 0}.card-body p{font-size:11px;color:var(--muted);line-height:1.8;margin-bottom:20px}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto;border-top:1px solid var(--line);padding-top:14px;font-size:10px;color:var(--muted)}.card-bottom b{color:var(--mint);font-weight:500}.card-bottom b span{padding-left:10px;font-size:17px}.empty{padding:55px 20px;text-align:center;border:1px dashed var(--line);border-radius:12px;color:var(--muted)}.teacher-section{border:1px solid #395844;background:#1c3027;border-radius:14px;padding:36px;display:grid;grid-template-columns:75px 1fr;gap:20px;margin-bottom:55px}.teacher-mark{width:60px;height:60px;display:grid;place-items:center;border:1px solid #55765c;border-radius:50%;font-size:33px;color:var(--mint)}.teacher-section h2{margin:8px 0 15px}.teacher-section p{color:var(--muted);font-size:12px;max-width:900px;line-height:1.9;margin:10px 0}.teacher-links{display:flex;gap:23px;flex-wrap:wrap;font-size:11px;margin-top:20px}.teacher-links a,.teacher-links button{color:var(--mint);background:none;border:0;padding:0}footer{border-top:1px solid var(--line);padding-top:25px;padding-bottom:30px;display:flex;align-items:center;justify-content:space-between;gap:20px}footer .brand{font-size:17px}footer p,footer>span{font-size:10px;color:var(--muted)}
/* Shared classroom experiment layout */
.lab-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 5%;border-bottom:1px solid var(--line)}.lab-header a:nth-child(2){font-size:12px;color:var(--mint)}.lab-header>span{font-size:9px;color:var(--muted)}.experiment-main{padding-top:35px;padding-bottom:70px}.experiment-intro h1{font-size:32px;letter-spacing:-.5px;margin:10px 0}.experiment-intro>p{color:var(--muted);font-size:13px}.experiment-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;margin-top:28px}.visual-panel{background:#152925;border:1px solid #355246;border-radius:16px;overflow:hidden;min-width:0}.visual-panel canvas{width:100%;height:430px;display:block;touch-action:pan-y}.readout{padding:18px 24px;border-top:1px solid var(--line);color:var(--mint);font-size:17px;min-height:70px;overflow-wrap:anywhere}.control-panel{padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}.control-panel h2{font-size:15px;margin-bottom:22px}.control{margin-bottom:22px}.control label{font-size:11px;display:flex;justify-content:space-between;gap:8px;color:var(--muted)}.control output{color:var(--mint)}.control input[type=range]{width:100%;accent-color:var(--mint);margin-top:10px;min-height:24px}.control select{width:100%;padding:9px;background:#182e25;color:var(--ink);border:1px solid #55715d;border-radius:6px;margin-top:10px}.control-panel .primary{width:100%;margin-top:12px}.model-note{font-size:10px;color:var(--muted);line-height:1.8;margin-top:20px}
@media(max-width:1100px){.class-section{display:block}.grade-list{margin-top:20px}.catalog-tools{align-items:flex-start;flex-direction:column}.search{flex:auto;width:100%}.site-header nav{gap:15px}.hero-stats{gap:20px}.experiment-grid{gap:15px}.card-body{padding:16px}}
@media(max-width:700px){.site-header{height:auto;padding-top:20px;padding-bottom:20px;flex-wrap:wrap;gap:18px}.site-header nav{order:3;width:100%;justify-content:space-between;font-size:10px}.brand{font-size:20px}.header-cta{padding:8px 10px;font-size:10px}.hero{grid-template-columns:1fr;padding-top:40px;gap:30px}.hero-art{max-width:480px;width:100%;margin:auto}.hero h1{font-size:42px}.hero-copy>p{font-size:13px}.hero-stats{justify-content:space-between;gap:12px}.hero-actions{gap:16px}.hero-actions .primary{font-size:11px;padding:13px 15px}.text-link{font-size:10px}.experiment-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.card-art{height:130px}.card-body h3{font-size:14px}.card-body p{font-size:10px}.card-meta{font-size:8px;flex-wrap:wrap}.card-bottom{flex-wrap:wrap;gap:8px;font-size:9px}.card-body{padding:12px}.section-heading{display:block}h2{font-size:21px}.section-heading>span{display:block;margin-top:10px}.catalog-options{gap:10px;flex-wrap:wrap}.catalog-options button{margin-left:0}.teacher-section{grid-template-columns:1fr;padding:24px}.teacher-mark{width:40px;height:40px;font-size:25px}footer{flex-wrap:wrap}footer>span{width:100%}.lab-header{flex-wrap:wrap}.lab-header>span{display:none}.experiment-layout{grid-template-columns:1fr}.visual-panel canvas{height:340px}.control-panel{padding:20px}.experiment-intro h1{font-size:25px}.readout{font-size:14px}.grade-list button{flex:1 0 35px}.subject-tabs button{padding:8px 10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{body{background:white;color:black}.site-header,.hero-art,.catalog-tools,.catalog-options,.teacher-section,footer{display:none}.hero{display:block;padding:10px}.hero h1{font-size:24px}.hero h1 br{display:none}.hero h1 em{color:black}.hero-stats{display:none}.experiment-grid{display:block}.experiment-card{break-inside:avoid;background:white;border:1px solid #aaa;margin:10px 0}.card-art{display:none}.card-body p,.card-meta,.card-bottom,.card-bottom b,.hero-copy>p{color:#333}.grade-list button{color:black}.grade-list button.active{background:#ddd}.catalog-section{padding-top:20px}.card-body{padding:10px}}

.card-body p{font-size:12px}.card-meta,.card-bottom{font-size:11px}.site-header nav{font-size:13px}.teacher-section p{font-size:13px}.catalog-options{font-size:12px}@media(max-width:700px){.card-body p{font-size:11px}.card-meta,.card-bottom{font-size:9px}.site-header nav{font-size:11px}.catalog-options{font-size:11px}}

/* Company, contact and crawlable catalogue */
.site-header nav{flex-wrap:wrap;column-gap:18px;row-gap:8px}.contact-banner{max-width:1440px;margin:auto;padding:12px 5%;background:#1c3027;border-bottom:1px solid #395844;display:flex;justify-content:center;gap:7px 16px;flex-wrap:wrap;font-size:12px;color:var(--muted)}.contact-banner a{color:var(--mint);font-weight:650}.contact-section{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:32px;border:1px solid #577a60;background:#1b3028;border-radius:16px;padding:34px;margin:0 0 55px}.contact-section h2{margin:10px 0}.contact-section p{max-width:700px;color:var(--muted);font-size:14px;line-height:1.9;margin-bottom:18px}.contact-email{display:block;border:1px solid #55765c;border-radius:12px;padding:24px;font-size:clamp(18px,2.1vw,29px);color:var(--mint);overflow-wrap:anywhere}.contact-email span{display:block;font-size:10px;letter-spacing:1.5px;color:var(--muted);margin-bottom:8px}.contact-email b{font-weight:400}.contact-email:hover,.project-link:hover{background:#294735}footer{flex-wrap:wrap}footer nav{display:flex;gap:12px 22px;flex-wrap:wrap;color:var(--mint);font-size:12px}.info-page{padding-top:55px;padding-bottom:10px}.info-intro{max-width:850px;margin-bottom:42px}.info-intro h1{font-size:clamp(32px,4.2vw,57px)}.info-intro p{color:var(--muted);font-size:17px;line-height:1.95;margin-bottom:20px}.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;margin-bottom:45px}.info-card{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:32px}.info-card h2{margin:10px 0 20px}.info-card p{color:var(--muted);font-size:15px;line-height:1.95;margin-bottom:20px}.project-link{display:flex;justify-content:space-between;border:1px solid #55765c;border-radius:10px;padding:18px;color:var(--mint);font-size:23px;margin:24px 0}.directory-group{margin-bottom:40px}.directory-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:0;list-style:none}.directory-list li{padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}.directory-list a{color:var(--mint);font-size:17px;font-weight:600}.directory-list p{color:var(--muted);font-size:14px;margin:10px 0}.directory-list small{color:var(--muted)}.research-overview{max-width:1440px;margin:32px auto;padding:24px 5%;color:#d7e7dc;border-top:1px solid #395844;line-height:1.8}.research-overview summary{cursor:pointer;font-size:18px;color:#c2f4c8}.research-overview h3{margin:20px 0 8px}.research-overview p{max-width:1000px}.research-overview a{color:#c2f4c8;text-decoration:underline}.research-overview ol{padding-left:24px}.research-overview .overview-links{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:24px}
@media(max-width:900px){.contact-section,.about-grid{grid-template-columns:1fr}.site-header{gap:16px}.site-header nav{column-gap:13px}.contact-email{font-size:25px}}
@media(max-width:700px){.site-header nav{justify-content:flex-start;gap:12px 18px}.contact-banner{justify-content:flex-start;font-size:12px}.contact-section{padding:22px;gap:18px}.info-card{padding:22px}.info-intro p{font-size:15px}.directory-list{grid-template-columns:1fr}.info-page{padding-top:32px}.contact-email{padding:18px;font-size:22px}footer nav{width:100%}.research-overview{font-size:14px}}