@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/montserrat-latin-600-normal-UVxSCcoG.woff2) format("woff2"),url(/assets/montserrat-latin-600-normal-CdhFl4lI.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/montserrat-cyrillic-600-normal-CQEPC0hM.woff2) format("woff2"),url(/assets/montserrat-cyrillic-600-normal-DUglwBrH.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/montserrat-cyrillic-ext-600-normal-BtBW-rpm.woff2) format("woff2"),url(/assets/montserrat-cyrillic-ext-600-normal-wReYPmz2.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/montserrat-latin-700-normal-BdjcYUrC.woff2) format("woff2"),url(/assets/montserrat-latin-700-normal-BWkrl476.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/montserrat-cyrillic-700-normal-D-Pqjtdp.woff2) format("woff2"),url(/assets/montserrat-cyrillic-700-normal-BvLYcGP1.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/montserrat-cyrillic-ext-700-normal-MyDreaeu.woff2) format("woff2"),url(/assets/montserrat-cyrillic-ext-700-normal-D-Mk2xRJ.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/montserrat-latin-800-normal-axpkC1rd.woff2) format("woff2"),url(/assets/montserrat-latin-800-normal-C3dfDxXV.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/montserrat-cyrillic-800-normal-DDmpGQGC.woff2) format("woff2"),url(/assets/montserrat-cyrillic-800-normal-B_mUCQ9O.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/montserrat-cyrillic-ext-800-normal-GOAQXnVZ.woff2) format("woff2"),url(/assets/montserrat-cyrillic-ext-800-normal-mB3PmEeV.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/montserrat-latin-900-normal-B0TD3Qnu.woff2) format("woff2"),url(/assets/montserrat-latin-900-normal-BDWDmVut.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/montserrat-cyrillic-900-normal-CrYcRZSi.woff2) format("woff2"),url(/assets/montserrat-cyrillic-900-normal-CGsoW8-j.woff) format("woff")}@font-face{font-family:Montserrat;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/montserrat-cyrillic-ext-900-normal-ET-C-0fX.woff2) format("woff2"),url(/assets/montserrat-cyrillic-ext-900-normal-CfuaLo5j.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-latin-400-normal-r8SDr6Up.woff2) format("woff2"),url(/assets/nunito-latin-400-normal-DKg4f3fz.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-cyrillic-400-normal-xAOo5cBP.woff2) format("woff2"),url(/assets/nunito-cyrillic-400-normal-D1j0u8EH.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/nunito-cyrillic-ext-400-normal-CuPM9foi.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-400-normal-xaE7D4Sw.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/nunito-latin-500-normal-EugFkASW.woff2) format("woff2"),url(/assets/nunito-latin-500-normal-B5klmw3Q.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/nunito-cyrillic-500-normal-C7KGZCzc.woff2) format("woff2"),url(/assets/nunito-cyrillic-500-normal-CsSUaxYY.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/nunito-cyrillic-ext-500-normal-BooqzoBf.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-500-normal-ryWF3qTI.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/nunito-latin-600-normal-Br8yIETf.woff2) format("woff2"),url(/assets/nunito-latin-600-normal-Cd0eNu1l.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/nunito-cyrillic-600-normal-DJGQ2h05.woff2) format("woff2"),url(/assets/nunito-cyrillic-600-normal-BUjmtIuu.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/nunito-cyrillic-ext-600-normal-CWPPjBOD.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-600-normal-vnfu4DTE.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-latin-700-normal-Dort48En.woff2) format("woff2"),url(/assets/nunito-latin-700-normal-OcDqTBcA.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-cyrillic-700-normal-DP36NgGt.woff2) format("woff2"),url(/assets/nunito-cyrillic-700-normal-DfHRUDv-.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/nunito-cyrillic-ext-700-normal-BuR0mlCG.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-700-normal-DfoqN4Gs.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-latin-800-normal-Dz8SOQK_.woff2) format("woff2"),url(/assets/nunito-latin-800-normal-D-J0wlBY.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-cyrillic-800-normal-D3igD7Kl.woff2) format("woff2"),url(/assets/nunito-cyrillic-800-normal-DymMgApb.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/nunito-cyrillic-ext-800-normal-B-cvGohL.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-800-normal-pjRatrRO.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-latin-900-normal-BVB1fGs6.woff2) format("woff2"),url(/assets/nunito-latin-900-normal-CVn49sIn.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-cyrillic-900-normal-CWPcV0_V.woff2) format("woff2"),url(/assets/nunito-cyrillic-900-normal-Dr1fjxoU.woff) format("woff")}@font-face{font-family:Nunito;font-style:normal;font-display:swap;font-weight:900;src:url(/assets/nunito-cyrillic-ext-900-normal-BLeVovcl.woff2) format("woff2"),url(/assets/nunito-cyrillic-ext-900-normal-DKFql_-q.woff) format("woff")}@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/caveat-latin-400-normal-D6LQsQ_v.woff2) format("woff2"),url(/assets/caveat-latin-400-normal-BzhAQZkN.woff) format("woff")}@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/caveat-cyrillic-400-normal-9cDH9rLW.woff2) format("woff2"),url(/assets/caveat-cyrillic-400-normal-CebvvJET.woff) format("woff")}@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/caveat-cyrillic-ext-400-normal-3iEGd-c5.woff2) format("woff2"),url(/assets/caveat-cyrillic-ext-400-normal-Cg0RnRQ5.woff) format("woff")}@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/caveat-latin-700-normal-D8_1Nw6V.woff2) format("woff2"),url(/assets/caveat-latin-700-normal-cPyBTTZN.woff) format("woff")}@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/caveat-cyrillic-700-normal-BIyejhEL.woff2) format("woff2"),url(/assets/caveat-cyrillic-700-normal-Bhcx9qBB.woff) format("woff")}@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/caveat-cyrillic-ext-700-normal-CrK2-ngJ.woff2) format("woff2"),url(/assets/caveat-cyrillic-ext-700-normal-DjFGiEhD.woff) format("woff")}*{box-sizing:border-box}body{margin:0;background:#f7fafc;color:#17334b;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}.topbar{height:86px;max-width:1380px;margin:auto;padding:0 5%;display:flex;align-items:center;justify-content:space-between;gap:25px}.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;letter-spacing:-.6px}.logo:first-letter{color:#0aa5aa}.dot{color:#ff8b56}.topbar nav{display:flex;gap:32px;font-size:14px;font-weight:700;color:#506578}.topbar nav a:hover{color:#00a2ad}.topcta{padding:13px 20px;border-radius:30px;background:#173b58;color:#fff;font-size:13px;font-weight:700}main{max-width:1380px;margin:auto;padding:0 5%}.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:40px;min-height:610px;align-items:center;padding:48px 0 70px}.eyebrow{font-size:12px;letter-spacing:2.1px;font-weight:800;color:#089ba9}.hero h1,.page-head h1{font-size:clamp(48px,6.4vw,96px);letter-spacing:-5px;line-height:1.05;margin:24px 0;color:#15334c}.hero h1 em,.page-head h1 em{color:#08a9b3;font-style:normal}.hero-copy>p{max-width:550px;color:#5c7181;font-size:18px;line-height:1.75}.actions{display:flex;gap:14px;flex-wrap:wrap;margin:32px 0}.btn{padding:16px 23px;border-radius:14px;font-size:14px;font-weight:800;display:inline-flex;align-items:center;justify-content:space-between;gap:20px}.primary{background:#08a7b1;color:#fff}.secondary{background:#fff;color:#173b58;border:1px solid #e3ebef}.btn:hover{transform:translateY(-2px);transition:.2s}.stats{display:flex;gap:48px;margin-top:55px}.stats div{display:flex;flex-direction:column;gap:5px}.stats b{font-size:31px}.stats small{font-size:12px;color:#7b8d9c}.hero-art{position:relative;background:#d5f0f3;border-radius:32px;padding:32px;min-height:535px;display:flex;justify-content:center;align-items:center;overflow:hidden}.hero-art img{max-height:470px;width:auto;max-width:86%;object-fit:contain;box-shadow:0 20px 50px #0b526133;border-radius:5px;transform:rotate(3deg)}.art-top{position:absolute;top:28px;left:28px;right:28px;display:flex;justify-content:space-between;font-size:11px;font-weight:800;letter-spacing:2px;color:#0c7982}.float-note{position:absolute;bottom:30px;right:20px;padding:15px 22px;border-radius:14px;background:#fff;box-shadow:0 10px 40px #185a6424;font-size:14px;font-weight:800}.intro{border-top:1px solid #dbe8ed;padding:70px 0 42px;display:flex;align-items:end;justify-content:space-between;gap:40px}.intro h2,.section h2{font-size:clamp(36px,4vw,57px);letter-spacing:-2px;line-height:1.1;margin:14px 0}.intro p{max-width:510px;line-height:1.8;color:#607688}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature{border-radius:23px;padding:34px;min-height:280px;display:flex;flex-direction:column}.mint{background:#d8f2ed}.peach{background:#ffebdf}.blue{background:#e2edfa}.feature-icon{font-size:37px}.feature h3{font-size:24px;margin:26px 0 8px}.feature p{font-size:14px;line-height:1.65;color:#506878}.feature b{margin-top:auto;font-size:13px}.section{padding:95px 0}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px}.text-link{font-weight:800;font-size:14px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:19px}.project-card{border-radius:20px;overflow:hidden;background:#fff;border:1px solid #e3edf1;transition:transform .2s,box-shadow .2s}.project-card:hover{transform:translateY(-5px);box-shadow:0 16px 36px #1a526118}.thumb{position:relative;height:235px;background:#e7f2f5;overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover;object-position:top}.type{position:absolute;top:14px;left:14px;background:#fff;border-radius:20px;padding:8px 13px;font-size:11px;font-weight:800}.card-body{padding:22px}.card-body small{color:#8497a4;font-size:10px;font-weight:800;letter-spacing:1px}.card-body h3{font-size:18px;line-height:1.4;min-height:55px}.card-arrow{color:#009fa8;font-size:13px;font-weight:800}.page-head{padding:65px 0 50px}.page-head h1{font-size:clamp(47px,6vw,75px)}.page-head p,.detail-head p{font-size:17px;line-height:1.7;color:#607688}.catalog-tools{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}.filters{display:flex;gap:9px}.filter{border:1px solid #dbe7eb;background:#fff;padding:12px 20px;border-radius:40px;cursor:pointer}.filter.active{background:#173b58;color:#fff}.catalog-tools input{border:1px solid #dbe7eb;background:#fff;border-radius:13px;padding:14px 17px;width:min(100%,320px)}.catalog{grid-template-columns:repeat(3,1fr);padding-bottom:90px}.topics{padding-bottom:100px}.topic{display:flex;align-items:center;gap:25px;border-bottom:1px solid #dce7eb;padding:23px 10px}.topic>span{font-size:24px;color:#00a2aa;font-weight:700}.topic div{flex:1}.topic h2{font-size:23px;margin:5px 0}.topic p{font-size:13px;color:#8b9da7}.topic>a{font-size:30px}.detail-head{padding:45px 0}.detail-head h1{font-size:clamp(40px,5vw,70px);letter-spacing:-3px;max-width:950px}.back{display:block;margin-bottom:45px;font-weight:700;color:#0b9ba4}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:32px;padding-bottom:100px}.document{background:#fff;border-radius:22px;padding:25px}.doc-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.doc-title h2{font-size:20px}.doc-title span{font-size:12px;color:#7b8d9c}.document figure{margin:18px 0 35px;text-align:center}.document figure img{width:min(100%,680px);height:auto;box-shadow:0 8px 25px #103c501a}.document figcaption{color:#8496a3;font-size:12px;margin-top:12px}.side-box{background:#fff;border:1px solid #e1e9ed;border-radius:20px;padding:23px;margin-bottom:17px}.side-box h3{font-size:21px}.side-box p{line-height:1.6;color:#536b7d;font-size:14px}.side-box.muted{background:#eaf5f7}.full{width:100%;margin-top:15px}.book-preview{display:grid;grid-template-columns:260px 1fr;gap:60px;align-items:center;background:#e3f2f5;border-radius:24px;padding:45px;margin-bottom:95px}.book-preview img{width:100%;box-shadow:0 15px 40px #123a5033}.book-preview h2{font-size:30px;line-height:1.3}.book-preview p{line-height:1.8;color:#587082}footer{border-top:1px solid #dce7ec;padding:35px 5%;max-width:1380px;margin:auto;display:flex;justify-content:space-between;gap:20px;align-items:center;color:#6b7f8d;font-size:12px}footer strong{color:#173b58;font-size:17px}@media(max-width:1000px){.topbar nav{gap:12px}.topcta{display:none}.hero{grid-template-columns:1fr 1fr}.hero-art{min-height:440px}.cards,.catalog{grid-template-columns:repeat(2,1fr)}.feature-grid{grid-template-columns:1fr 1fr}}@media(max-width:700px){.topbar{height:auto;padding:18px 5%;align-items:flex-start;flex-direction:column}.topbar nav{width:100%;overflow-x:auto;white-space:nowrap;padding:5px 0}.hero{grid-template-columns:1fr;padding:40px 0}.hero h1{letter-spacing:-3px}.hero-art{min-height:400px}.stats{gap:25px;margin-top:35px}.intro{display:block;padding:45px 0}.feature-grid,.cards,.catalog,.detail-layout,.book-preview{grid-template-columns:1fr}.feature{min-height:240px}.section{padding:60px 0}.catalog-tools{align-items:stretch;flex-direction:column}.catalog-tools input{width:100%}.document{padding:12px}.doc-title{flex-direction:column;align-items:start}.book-preview{gap:25px}.book-preview img{max-width:240px}.page-head{padding:45px 0}.page-head h1{letter-spacing:-3px}.topic h2{font-size:18px}footer{flex-direction:column;align-items:start}}body{background:#fff;color:#102b61}main{max-width:none;padding:0}.topbar{max-width:none;height:70px;padding:0 max(4.5vw,24px);background:#fff;box-shadow:0 3px 18px #1a78a012;position:relative;z-index:4}.logo{font-size:clamp(15px,1.65vw,26px);color:#10305e;gap:18px}.steam-logo{display:flex;gap:2px}.steam-logo i{font-style:normal;display:grid;place-items:center;width:28px;height:30px;border-radius:7px;color:#fff;font-size:18px;font-weight:900}.steam-logo i:nth-child(1){background:#ff6238}.steam-logo i:nth-child(2){background:#05abb1}.steam-logo i:nth-child(3){background:#ffba00}.steam-logo i:nth-child(4){background:#7356ff}.steam-logo i:nth-child(5){background:#fa3b86}.logo-divider{height:30px;width:1px;background:#8cc9df}.topbar nav{gap:clamp(12px,2.2vw,36px);font-size:15px;color:#092453}.topbar nav a:first-child{background:#02aeb6;color:#fff;padding:12px 20px;border-radius:28px}.showcase{overflow:hidden;background:radial-gradient(ellipse at 3% 55%,#eaf8ff 0%,transparent 32%),#fff}.hero-grid{display:grid;grid-template-columns:52% 48%;min-height:465px;position:relative}.hero-left{padding:65px 18px 42px max(8.5vw,42px);position:relative;z-index:1;background:linear-gradient(110deg,#fff 65%,#edfaff)}.hero-left h1{position:relative;z-index:1;color:#09265f;font-size:clamp(32px,3.05vw,56px);letter-spacing:-1.9px;line-height:1.13;margin:0 0 20px;font-weight:900;max-width:760px}.hero-left h2{font-size:clamp(16px,1.32vw,22px);color:#00a9b7;line-height:1.4;margin:0 0 20px}.hero-left p{font-size:clamp(14px,1.08vw,18px);line-height:1.65;color:#173f77;max-width:640px;margin:0}.hero-left .actions{margin:24px 0 0}.hero-left .btn{border-radius:40px;font-size:15px;padding:16px 24px}.hero-left .primary{background:#ff6637}.hero-left .secondary{border:1.5px solid #1a468c;color:#123c75}.hero-photo{position:relative;overflow:hidden;min-height:460px;background:#dff3fa;border-radius:85px 0 0 85px}.hero-photo>img{height:100%;width:100%;position:absolute;object-fit:cover;object-position:center}.photo-doodle{position:absolute;top:50px;left:10%;width:55px;color:#00a6e6}.photo-label{position:absolute;top:35px;right:16%;width:170px;color:#0d6aa0;font-size:18px;line-height:1.4;transform:rotate(-9deg);font-weight:700}.doodle{position:absolute;color:#00a9e5;pointer-events:none}.doodle-atom{top:20px;left:2.5%;width:65px}.doodle-side{top:52%;left:1.5%;font-size:16px;transform:rotate(-13deg);text-align:center;line-height:1.5}.doodle-pulse{top:25px;right:6%;font-size:48px}.steam-area{padding:26px max(5%,30px) 35px;position:relative;background:radial-gradient(ellipse at 95% 95%,#e8f7ff 0,transparent 34%),#fff}.steam-area:before,.steam-area:after{content:"";position:absolute;width:150px;height:150px;background-image:linear-gradient(#bce8fa 1px,transparent 1px),linear-gradient(90deg,#bce8fa 1px,transparent 1px);background-size:23px 23px;opacity:.6;transform:rotate(-12deg);pointer-events:none}.steam-area:before{left:-60px;top:20px}.steam-area:after{right:-40px;top:30px}.steam-heading{position:relative;z-index:1;margin:0 0 18px 3%}.steam-heading h2{font-size:clamp(27px,2.5vw,42px);letter-spacing:-1px;color:#0a285d;margin:0 0 4px}.steam-heading p{color:#173f77;font-size:clamp(14px,1vw,17px);line-height:1.5;margin:0}.steam-cards{position:relative;z-index:1;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px}.steam-card{border:1px solid;border-radius:15px;padding:17px 15px;min-height:158px}.steam-card-top{display:flex;align-items:center;gap:10px}.steam-card .letter{width:49px;height:49px;border-radius:12px;display:grid;place-items:center;color:#fff;font-size:33px;font-weight:900;flex-shrink:0}.steam-card h3{font-size:clamp(14px,1.15vw,19px);margin:0;flex:1}.subject-icon{font-size:33px;line-height:1}.steam-card p{font-size:clamp(12px,.88vw,15px);line-height:1.5;color:#204675;margin:12px 0 0}.science{background:#fff6ef;border-color:#ffbf9e;color:#ff6534}.science .letter{background:#ff6534}.technology{background:#edfbfc;border-color:#91e5ec;color:#00a4b0}.technology .letter{background:#00abb5}.engineering{background:#fffcf0;border-color:#ffda80;color:#f3a800}.engineering .letter{background:#ffba00}.art{background:#f5f1ff;border-color:#cfc0ff;color:#7756ef}.art .letter{background:#7659f8}.math{background:#fff1f7;border-color:#ffb5d0;color:#f53d87}.math .letter{background:#f53d87}.stats-ribbon{margin:20px auto 0;background:#eaf8ff;border-radius:50px;display:flex;justify-content:center;align-items:center;gap:0;max-width:730px;padding:13px 18px;color:#124477;font-size:15px}.stats-ribbon div{padding:0 24px;border-right:1px solid #94d7ee}.stats-ribbon div:last-child{border:0}.stats-ribbon strong{font-size:20px;color:#082a5d}.section{max-width:1380px;margin:auto;padding:60px 5%}.page-head,.catalog-tools,.catalog,.topics,.detail-head,.detail-layout,.book-preview{max-width:1250px;margin-left:auto;margin-right:auto}.page-head{padding-left:25px;padding-right:25px}footer{max-width:none}@media(max-width:1000px){.hero-grid{grid-template-columns:1fr 1fr}.hero-left{padding:55px 24px 38px 45px}.hero-left h1{font-size:clamp(28px,3.6vw,42px)}.steam-cards{grid-template-columns:repeat(3,1fr)}.steam-card{min-height:155px}.doodle-side{display:none}}@media(max-width:700px){.topbar{padding:14px 20px;gap:13px}.logo{font-size:17px}.steam-logo i{width:23px;height:25px;font-size:15px}.topbar nav{font-size:12px}.topbar nav a:first-child{padding:8px 12px}.hero-grid{grid-template-columns:1fr}.hero-left{padding:55px 23px 35px}.hero-left h1{font-size:clamp(30px,7.4vw,44px);letter-spacing:-1px}.hero-left h1 br{display:none}.hero-left h2{font-size:16px}.hero-left p{font-size:15px}.hero-photo{min-height:300px;border-radius:42px 42px 0 0}.doodle-atom{width:45px;left:auto;right:18px;top:6px}.doodle-pulse{display:none}.steam-area{padding:30px 18px}.steam-heading{margin-left:0}.steam-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.steam-card{padding:13px;min-height:155px}.steam-card .letter{width:40px;height:40px;font-size:26px}.subject-icon{font-size:23px}.steam-card h3{font-size:13px}.steam-card p{font-size:12px}.stats-ribbon{flex-wrap:wrap;border-radius:22px;gap:8px}.stats-ribbon div{padding:4px 8px;border:0;font-size:12px}.stats-ribbon strong{font-size:15px}}.catalog-intro{background:linear-gradient(135deg,#f0faff,#fff9eb);border-radius:26px;padding:54px 5%;margin-top:24px}.catalog-metrics{display:flex;gap:14px;flex-wrap:wrap;margin-top:25px}.catalog-metrics span{background:#fff;border:1px solid #dceaf2;border-radius:15px;padding:12px 20px;color:#35546a}.catalog-metrics b{color:#096b86;font-size:22px}.catalog-tools{position:relative;z-index:1}.project-shell{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;max-width:1250px;margin:30px auto 80px;padding:0 26px}.project-main{min-width:0;display:grid;gap:24px}.project-panel{background:#fff;border:1px solid #e4edf2;border-radius:24px;padding:26px;box-shadow:0 8px 28px #11374e0b}.panel-heading span{font-size:12px;font-weight:800;letter-spacing:.1em;color:#079bb0}.panel-heading h2{font-size:clamp(22px,2.6vw,30px);margin:8px 0 20px;color:#193e5a}.visual-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.visual-pair figure,.original-pages figure{margin:0;background:#f3f8fa;border:1px solid #e4edf2;border-radius:18px;overflow:hidden}.visual-pair img{width:100%;height:320px;object-fit:contain;background:#fff;display:block}.visual-pair figcaption,.original-pages figcaption{font-size:13px;color:#607887;padding:12px 15px}.original-pages{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.original-pages img{width:100%;display:block}.objective-text{font-size:19px;line-height:1.7;background:#eaf9fa;padding:20px;border-left:5px solid #19b6b9;border-radius:12px}.source-description{white-space:normal;font-size:16px;line-height:1.85;color:#365268}.source-note{margin-top:16px;background:#fff8e8;border:1px solid #f4dfb0;padding:16px;border-radius:12px;color:#6b5c37;font-size:14px;line-height:1.65}.detail-tags{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.detail-tags .eyebrow{background:#eaf7fb;padding:8px 12px;border-radius:99px}.project-sidebar{min-width:0}.sticky-info{position:sticky;top:90px}.project-sidebar .btn{margin-top:12px}.project-neighbors{display:flex;justify-content:space-between;gap:15px}.project-neighbors a{flex:1;border-radius:15px;background:#eaf8fb;padding:18px;text-decoration:none;color:#13536c}.project-neighbors strong{display:block;margin-top:7px}.detail-head.upgraded{padding-bottom:22px}@media(max-width:950px){.project-shell{grid-template-columns:1fr}.project-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:15px}.sticky-info{position:static}}@media(max-width:640px){.project-shell{padding:0 14px}.project-panel{padding:16px}.visual-pair,.original-pages,.project-sidebar{grid-template-columns:1fr}.visual-pair img{height:auto;max-height:380px}.catalog-intro{padding:28px 20px}.project-neighbors{flex-direction:column}.detail-tags{gap:6px}}:root{--ink:#102b60;--aqua:#00b7cb;--blue:#087de9}html{scroll-behavior:smooth}body{font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink)}.stage1-header{height:68px;padding:0 max(5.8vw,28px);box-shadow:0 2px 15px #183e6910}.stage1-header .logo{gap:20px;font-size:19px;letter-spacing:0}.brand-stack{display:flex;flex-direction:column;line-height:1.15}.brand-stack b{font-size:18px;color:#07275e}.brand-stack small{font-size:12px;font-weight:500;color:#18416f;margin-top:3px}.stage1-header .steam-logo i{width:26px;height:27px;font-size:18px;border-radius:5px}.stage1-header nav{gap:clamp(12px,2vw,32px);font-size:13px;font-weight:700}.stage1-header nav .nav-home{background:#dff9fc;color:#063c72;border-radius:30px;padding:13px 20px}.stage1-showcase{background:radial-gradient(circle at 0% 40%,#e8f6ff 0,transparent 33%),radial-gradient(circle at 100% 80%,#e7f7ff 0,transparent 35%),#fff}.stage1-showcase .hero-grid{grid-template-columns:44% 56%;min-height:438px;max-width:1600px;margin:auto}.stage1-showcase .hero-left{padding:100px 24px 28px max(7vw,48px);background:transparent}.stage1-showcase .hero-left h1{font-size:clamp(42px,3.8vw,68px);line-height:1.04;letter-spacing:-2px;white-space:nowrap;margin-bottom:12px}.stage1-showcase .hero-left h2{font-size:clamp(15px,1.1vw,20px);font-weight:750;color:#0589ed;margin-bottom:15px}.stage1-showcase .hero-left p{font-size:clamp(15px,1.03vw,18px);line-height:1.57;max-width:575px;color:#102e65}.stage1-showcase .hero-photo{min-height:438px;border-radius:65px 0 65px 65px}.stage1-showcase .hero-photo:before{content:"";width:60px;position:absolute;left:0;top:0;bottom:0;background:#e3f7ff;border-radius:100% 0 0 100%;z-index:1;opacity:.55}.stage1-showcase .hero-photo>img{object-position:50% 50%}.hero-script{position:absolute;left:28%;top:28px;transform:rotate(-9deg);color:#168bed;font-size:17px;line-height:1.3;font-style:italic;font-weight:650}.hero-mini-stats{display:flex;flex-wrap:wrap;gap:15px;font-size:12px;font-weight:600;color:#214675;margin-top:26px}.hero-mini-stats span{white-space:nowrap}.stage1-showcase .doodle-atom{top:40px;left:6%;color:#008ff0;width:55px}.stage1-showcase .doodle-pulse{top:31px;right:9%;font-size:37px}.stage1-showcase .photo-label{font-size:16px;right:32%;top:35px;transform:rotate(-10deg);color:#168ae9}.stage1-showcase .steam-area{padding:28px max(4.5vw,28px) 36px;background:transparent;max-width:1600px;margin:auto}.stage1-showcase .steam-heading{margin:0 0 21px;display:flex;align-items:center;justify-content:space-between;gap:25px}.stage1-showcase .steam-heading h2{font-size:clamp(28px,2.65vw,43px);line-height:1.15;margin-bottom:7px}.stage1-showcase .steam-heading p{font-size:clamp(14px,1vw,17px)}.pill-video{border:1px solid #c8eafb;background:#fff;box-shadow:0 4px 15px #12589816;padding:12px 20px;border-radius:50px;display:flex;align-items:center;gap:15px;color:#102b60;text-decoration:none;font-size:13px;font-weight:750;white-space:nowrap}.pill-video span{border:2px solid #009ef4;color:#009ef4;width:29px;height:29px;border-radius:50%;display:grid;place-items:center;font-size:12px}.stage1-showcase .steam-cards{gap:14px}.stage1-showcase .steam-card{min-height:155px;padding:14px 15px;border-radius:17px}.stage1-showcase .steam-card p{font-size:clamp(13px,.92vw,16px)}.stage1-showcase .stats-ribbon{max-width:950px;margin:20px auto 17px;padding:10px 14px}.stage1-showcase .stats-ribbon div{font-size:14px;padding:0 clamp(12px,2vw,31px)}.feature-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;position:relative;z-index:1}.feature-card{background:#fff;border:1px solid #dcecf6;border-radius:17px;padding:17px;display:flex;align-items:center;gap:17px;text-decoration:none;color:#12346b;min-height:100px;box-shadow:0 5px 19px #096ead09;transition:transform .2s,box-shadow .2s}.feature-card:hover,.project-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #23598a19}.feature-icon{width:72px;height:72px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;font-size:40px;background:#f1edff;color:#1d8dea}.feature-2 .feature-icon{background:#f1efff;color:#7144ee}.feature-3 .feature-icon{background:#e9fbf5;color:#10bd9e}.feature-content{display:flex;flex-direction:column;gap:6px;flex:1}.feature-content b{font-size:21px}.feature-content small{font-size:12px;line-height:1.55;color:#36547a}.feature-arrow{font-size:27px;color:#007fe1}.stage1-projects{padding:74px 5% 82px;max-width:1390px}.stage1-projects .section-head h2,.stage1-how .section-head h2,.materials-section h2,.stage1-faq h2{font-size:clamp(30px,3.1vw,46px);letter-spacing:-1px;color:#102b60;margin:6px 0}.stage1-projects .section-head p,.stage1-how .section-head p{color:#5d7490;margin-top:8px}.stage1-projects .cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:19px}.stage1-projects .project-card{border-radius:20px;transition:.2s;overflow:hidden;border:1px solid #d9eaf3;background:#fff}.stage1-projects .thumb{height:195px}.stage1-projects .thumb img{width:100%;height:100%;object-fit:cover}.stage1-projects .card-body{padding:19px;min-height:175px;display:flex;flex-direction:column}.stage1-projects .card-body h3{font-size:20px;line-height:1.35}.stage1-projects .card-arrow{margin-top:auto}.stage1-how{padding:75px max(5%,26px);background:linear-gradient(125deg,#effbff,#fff 55%,#f4f0ff)}.stage1-how .section-head,.stage1-how .how-cards{max-width:1320px;margin-left:auto;margin-right:auto}.how-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}.how-card{background:#fff;border:1px solid #d8eaf5;border-radius:22px;padding:25px;min-height:172px}.how-card>span{width:46px;height:46px;background:#ddf7fd;border-radius:13px;color:#009eb9;font-weight:900;display:grid;place-items:center}.how-card h3{font-size:19px;margin:16px 0 8px}.how-card p{font-size:14px;color:#47607d;line-height:1.6}.arduino-banner{max-width:1290px;margin:80px auto;min-height:295px;background:linear-gradient(100deg,#103864,#087f9e);border-radius:28px;color:#fff;padding:45px 60px;display:grid;grid-template-columns:1.5fr 1fr;align-items:center;overflow:hidden;gap:30px}.arduino-banner .eyebrow{color:#7feef4}.arduino-banner h2{font-size:clamp(27px,2.7vw,43px);margin:8px 0 12px;color:#fff}.arduino-banner p{color:#d9f7fc;line-height:1.65;max-width:660px}.arduino-banner .btn{display:inline-flex;margin-top:17px}.arduino-visual{border:2px solid #83e9f4a8;border-radius:28px;min-height:205px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;background:#ffffff16;transform:rotate(-4deg)}.arduino-visual span{font-size:58px}.arduino-visual strong{font-size:37px;letter-spacing:1px}.arduino-visual small{color:#c4fbff}.materials-section{max-width:1250px;margin:60px auto 90px;display:grid;grid-template-columns:1.5fr .8fr;gap:50px;align-items:center;padding:30px}.materials-section p{color:#516985;line-height:1.75;font-size:17px;max-width:650px}.materials-section .actions{margin-top:30px}.materials-cover{background:#eaf6fb;border-radius:26px;padding:22px;display:grid;place-items:center;max-height:360px;overflow:hidden}.materials-cover img{width:100%;max-width:215px;max-height:310px;object-fit:contain;border-radius:4px;box-shadow:0 8px 22px #1739603b}.stage1-faq{padding:60px 5% 100px;max-width:1030px;margin:auto}.stage1-faq details{border-bottom:1px solid #dceaf4;padding:20px 0}.stage1-faq summary{font-size:19px;font-weight:700;cursor:pointer;color:#0e3368}.stage1-faq details p{line-height:1.75;color:#496681}.stage1-footer{display:block;background:#102d5d;color:#fff;padding:50px max(5%,30px) 20px;max-width:none}.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:60px;max-width:1270px;margin:auto}.footer-top>div{display:flex;flex-direction:column;gap:12px}.footer-top a{color:#d7faff;text-decoration:none}.footer-top b{color:#fff;font-size:17px}.footer-brand{font-size:25px;font-weight:900!important;color:#fff!important}.footer-top p{font-size:14px;line-height:1.6;color:#d4e4f5;max-width:350px}.footer-bottom{max-width:1270px;margin:42px auto 0;padding-top:18px;border-top:1px solid #ffffff2a;display:flex;justify-content:space-between;gap:15px;color:#b4c7df;font-size:12px}.resource-content .feature-card{min-height:85px}@media(max-width:1100px){.stage1-header nav{gap:12px;font-size:12px}.stage1-showcase .hero-grid{grid-template-columns:48% 52%}.stage1-showcase .hero-left{padding-left:37px}.stage1-showcase .hero-left h1{font-size:clamp(35px,4.2vw,50px)}.stage1-showcase .steam-cards{grid-template-columns:repeat(5,minmax(0,1fr))}.stage1-showcase .steam-card .letter{height:39px;width:39px;font-size:25px}.stage1-showcase .steam-card h3{font-size:13px}.stage1-showcase .steam-card p{font-size:12px}.stage1-projects .thumb{height:145px}.feature-content b{font-size:18px}}@media(max-width:780px){.stage1-header{height:auto;min-height:65px;flex-direction:column;align-items:flex-start;padding:12px 20px;gap:9px}.stage1-header nav{max-width:100%;overflow-x:auto;padding-bottom:6px}.stage1-showcase .hero-grid{grid-template-columns:1fr}.stage1-showcase .hero-left{padding:95px 25px 30px}.stage1-showcase .hero-left h1{font-size:clamp(39px,9vw,61px)}.stage1-showcase .hero-photo{min-height:370px;border-radius:30px}.stage1-showcase .hero-script{left:23%;top:22px}.stage1-showcase .steam-heading{align-items:flex-start;flex-direction:column}.stage1-showcase .steam-cards{grid-template-columns:repeat(2,1fr)}.stage1-showcase .stats-ribbon{flex-wrap:wrap}.feature-cards{grid-template-columns:1fr}.stage1-projects .cards,.how-cards{grid-template-columns:repeat(2,1fr)}.arduino-banner{margin:40px 18px;grid-template-columns:1fr;padding:28px}.materials-section{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:first-child{grid-column:1/-1}}@media(max-width:480px){.stage1-showcase .hero-left h1{font-size:38px;white-space:normal}.stage1-showcase .hero-mini-stats{font-size:11px}.stage1-showcase .hero-photo{min-height:255px}.stage1-showcase .steam-area{padding:30px 15px}.stage1-showcase .steam-cards{gap:9px}.stage1-showcase .steam-card{padding:11px;min-height:160px}.stage1-showcase .steam-card-top{flex-wrap:wrap}.stage1-showcase .steam-card p{font-size:12px}.stage1-projects{padding:50px 18px}.stage1-projects .cards{gap:12px}.stage1-projects .thumb{height:118px}.stage1-projects .card-body{padding:12px;min-height:150px}.stage1-projects .card-body h3{font-size:15px}.how-cards{grid-template-columns:1fr}.materials-section{padding:20px}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:1}.footer-bottom{flex-direction:column}}:root{--navy:#102a60;--cyan:#00a6c0;--orange:#ff6538}body{font-family:ui-rounded,Trebuchet MS,Arial,sans-serif;color:var(--navy);background:#fff}.stage1-header{max-width:none;height:68px;padding:0 clamp(24px,4.8vw,80px);background:#fff;box-shadow:0 2px 11px #0f4d6e11;position:relative;z-index:20}.stage1-header .logo{gap:22px;min-width:0}.stage1-header .brand-stack{display:flex;flex-direction:column;gap:2px;border-left:1px solid #8fd9f3;padding-left:23px}.stage1-header .brand-stack b{font-size:19px;letter-spacing:-.5px}.stage1-header .brand-stack small{font-size:10px;font-weight:500}.stage1-header .steam-logo i{height:32px;width:29px;font-size:21px;border-radius:6px}.stage1-header nav{gap:25px;font-size:13px}.stage1-header nav a{white-space:nowrap}.stage1-header nav .nav-home{background:#c9f4f7;padding:12px 18px}.mobile-menu-toggle{display:none}.stage1-showcase .hero-grid{max-width:1700px;min-height:468px;height:468px;grid-template-columns:53% 47%;position:relative;background:radial-gradient(circle at 0% 80%,#e8f6ff 0,transparent 24%),#fbfdff}.stage1-showcase .hero-left{position:relative;min-width:0;padding:66px 5px 24px clamp(105px,8.5vw,150px);overflow:visible;background:transparent;z-index:2}.stage1-showcase .hero-left h1{font-size:clamp(49px,4.3vw,70px);font-weight:900;letter-spacing:-2.4px;line-height:1.1;white-space:nowrap;margin:0 0 18px;color:#102962}.stage1-showcase .hero-left h2{font-size:clamp(16px,1.31vw,21px);line-height:1.35;margin:0 0 21px;color:#04a8b8;white-space:nowrap}.stage1-showcase .hero-left p{font-size:clamp(15px,1.16vw,18px);max-width:590px;line-height:1.55;margin:0;color:#123469}.stage1-showcase .hero-left .actions{margin:23px 0 0;gap:16px}.stage1-showcase .hero-left .btn{border-radius:35px;padding:15px 26px;font-size:16px;min-height:53px;white-space:nowrap}.stage1-showcase .hero-left .btn.primary{background:#ff6639;box-shadow:0 12px 20px #ff663927}.stage1-showcase .hero-left .btn.secondary{border:1.8px solid #10336b;color:#10336b}.stage1-showcase .hero-photo{height:468px;min-height:0;border-radius:100px 0 0 85px;overflow:hidden;position:relative;isolation:isolate}.stage1-showcase .hero-photo:before{width:65px;left:-28px;background:#dff4ff;border-radius:80% 0 0 60%;opacity:.8;z-index:2}.stage1-showcase .hero-photo img{height:100%;width:100%;object-fit:cover;object-position:47% 50%;display:block}.stage1-showcase .hero-script{left:23%;top:25px;font-size:18px;transform:rotate(-7deg);z-index:3}.stage1-showcase .doodle-atom{left:4.7%;top:20px;width:51px;color:#04a3df}.stage1-showcase .doodle-pulse{right:4%;top:18px;width:95px;height:45px;color:#009fe0}.stage1-showcase .doodle-pulse svg{height:100%;width:100%}.left-handwriting{position:absolute;top:235px;left:2.2%;transform:rotate(-8deg);font-size:17px;line-height:1.8;color:#0099e8;font-weight:650;font-style:italic;text-align:center}.stage1-showcase .hero-mini-stats{display:none}.stage1-showcase .photo-label{top:20px;right:30%;transform:rotate(-9deg);color:#3681b7;font-size:17px;font-style:italic;line-height:1.3;text-align:center;z-index:4}.photo-board{position:absolute;right:10%;top:15px;color:#fff;font-size:23px;transform:rotate(9deg);z-index:4;font-style:italic}.photo-bone{position:absolute;right:3%;top:35%;font-size:56px;color:#fff;z-index:4;transform:rotate(-25deg)}.stage1-showcase .steam-area{padding:25px clamp(35px,5%,88px) 37px;position:relative;isolation:isolate;overflow:hidden;max-width:1700px;background:radial-gradient(circle at 100% 90%,#e9f7ff 0,transparent 25%),#fff}.stage1-showcase .steam-area:before,.stage1-showcase .steam-area:after{content:"";position:absolute;width:240px;height:240px;background-image:linear-gradient(#b6e2fa70 1px,transparent 1px),linear-gradient(90deg,#b6e2fa70 1px,transparent 1px);background-size:29px 29px;pointer-events:none;z-index:-1;transform:rotate(-9deg)}.stage1-showcase .steam-area:before{top:20px;left:-130px}.stage1-showcase .steam-area:after{top:0;right:-70px}.stage1-showcase .steam-heading{margin:0 0 22px;min-height:110px;align-items:flex-start}.stage1-showcase .steam-heading h2{font-size:clamp(30px,2.8vw,43px);font-weight:900;line-height:1.13;letter-spacing:-1.4px;margin:0 0 12px}.stage1-showcase .steam-heading p{font-size:clamp(14px,1.08vw,17px);line-height:1.45;max-width:850px;color:#143a70}.stage1-showcase .pill-video{display:none}.steam-handwritten{position:absolute;right:8%;top:31px;transform:rotate(-8deg);font-size:19px;line-height:1.35;color:#009fe9;font-weight:700;font-style:italic;text-align:center}.steam-atom-deco{position:absolute;right:3%;top:69px;width:42px;color:#00a7e9}.steam-atom-deco svg{width:100%}.stage1-showcase .steam-cards{gap:14px;grid-template-columns:repeat(5,minmax(0,1fr));position:relative;z-index:1}.stage1-showcase .steam-card{min-height:155px;border-radius:16px;padding:13px 14px}.stage1-showcase .steam-card .letter{width:54px;height:54px;min-width:54px;font-size:35px;border-radius:11px}.stage1-showcase .steam-card .steam-card-top{gap:13px;align-items:center}.stage1-showcase .steam-card h3{font-size:clamp(14px,1.15vw,19px);white-space:nowrap}.stage1-showcase .steam-card p{font-size:clamp(12px,1vw,15px);line-height:1.43;margin-top:10px}.stage1-showcase .subject-icon{margin-left:auto;display:flex;align-items:center;justify-content:center;min-width:45px;width:49px;font-size:0}.stage1-showcase .subject-icon svg{width:45px;height:45px}.stage1-showcase .stats-ribbon{max-width:730px;min-height:54px;margin:20px auto 18px;border-radius:50px;padding:7px 9px;box-shadow:0 0 0 1px #d7edf5}.stage1-showcase .stats-ribbon div{font-size:15px;padding:0 22px;white-space:nowrap}.stage1-showcase .stats-ribbon div:last-child{display:none}.stage1-showcase .stats-ribbon strong{font-size:20px}.stage1-showcase .feature-cards{margin-top:20px}@media(max-width:1180px){.stage1-showcase .hero-grid{grid-template-columns:52% 48%}.stage1-showcase .hero-left{padding-left:7%}.stage1-showcase .hero-left h1{font-size:clamp(38px,4.4vw,54px)}.stage1-showcase .hero-left h2{white-space:normal}.left-handwriting{display:none}.stage1-showcase .steam-card .letter{width:45px;min-width:45px;height:45px;font-size:29px}.stage1-showcase .steam-card h3{font-size:13px}.stage1-showcase .subject-icon{width:30px;min-width:30px}.stage1-showcase .subject-icon svg{width:30px}}@media(max-width:780px){.stage1-header{height:65px;min-height:65px;flex-direction:row;align-items:center;padding:0 19px}.stage1-header .brand-stack b{font-size:15px}.stage1-header .brand-stack small{font-size:9px}.stage1-header .steam-logo i{width:23px;height:27px;font-size:17px}.mobile-menu-toggle{display:flex;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border:1px solid #cce5ee;border-radius:12px;background:#fff;cursor:pointer;margin-left:auto}.mobile-menu-toggle span{width:21px;height:2px;border-radius:2px;background:#123469}.stage1-header nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:4px;padding:18px 23px 24px;box-shadow:0 13px 19px #0e456a20;overflow:visible}.stage1-header nav.nav-expanded{display:flex}.stage1-header nav a{padding:10px 13px}.stage1-showcase .hero-grid{height:auto;grid-template-columns:1fr}.stage1-showcase .hero-left{padding:78px 28px 30px}.stage1-showcase .hero-left h1{font-size:clamp(43px,8vw,62px)}.stage1-showcase .hero-photo{height:390px;border-radius:48px 48px 20px 20px}.stage1-showcase .hero-script{left:23%;top:20px}.stage1-showcase .doodle-atom{top:16px}.stage1-showcase .steam-area{padding:36px 22px}.stage1-showcase .steam-heading{min-height:0;margin-bottom:22px}.steam-handwritten,.steam-atom-deco{display:none}.stage1-showcase .steam-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.stage1-showcase .steam-card h3{font-size:16px}.stage1-showcase .subject-icon svg{width:40px}.stage1-showcase .stats-ribbon{flex-wrap:wrap}.stage1-showcase .stats-ribbon div{font-size:13px}}:root{--u:calc(min(100vw,1536px) / 1536)}body{font-family:Nunito,Arial,sans-serif}.ico{display:inline-block;width:1em;height:1em;flex:none;vertical-align:-.15em}.hero-mini-stats .ico{width:15px;height:15px;color:#1e6fd9;margin-right:4px;vertical-align:-2px}.stats-ribbon .ico{width:21px;height:21px;color:#0aa6b1;margin-right:6px;vertical-align:-4px}.pill-video .play-ico,.btn .play-ico{width:26px;height:26px;color:#1e6fd9}.btn .arrow-ico,.btn .ext-ico,.btn .down-ico{width:18px;height:18px}.feature-icon .ico{width:30px;height:30px}.steam-card .subject-icon .ico{width:44px;height:44px}.arduino-visual .arduino-art{width:min(100%,380px);height:auto;display:block;margin:0 auto 6px}.arduino-visual small{display:block;text-align:center}.arduino-visual{transform:none!important;padding:18px!important}.materials-section .btn{display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 22px;border-radius:14px;font-weight:800;font-size:15px}.materials-section .btn .ico{width:18px;height:18px}.materials-section .btn.primary{box-shadow:0 10px 22px #0aa6b147}.materials-section .btn.secondary{background:#fff;border:1.5px solid #cfe6ef;color:#0a2466}.materials-cover img{border-radius:10px;box-shadow:0 26px 50px -16px #0a246661,0 4px 12px #0a24661f}.materials-section .btn:hover{transform:translateY(-2px);transition:transform .2s}.stage1-footer{background:linear-gradient(180deg,#0b2a57,#082046);color:#d7eaf5;border-top:none;margin-top:0;padding:52px 0 0}.footer-inner{width:min(1280px,calc(100% - 64px));margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}.footer-brand{display:inline-block;font-size:22px;font-weight:900;color:#fff;letter-spacing:-.3px;text-decoration:none}.footer-brand-col p{margin:12px 0 16px;color:#a9c7dc;font-size:15px;line-height:1.6;max-width:420px}.footer-tags{display:flex;gap:8px;flex-wrap:wrap}.footer-tags span{padding:6px 12px;border-radius:999px;background:#0aa6b12e;color:#7fe3ea;font-size:12px;font-weight:700}.footer-col{display:flex;flex-direction:column;gap:10px}.footer-col b{color:#fff;font-size:15px;margin-bottom:4px}.footer-col a{color:#a9c7dc;text-decoration:none;font-size:15px;transition:color .2s}.footer-col a:hover,.footer-col a:focus-visible{color:#7fe3ea}.footer-bottom{width:min(1280px,calc(100% - 64px));margin:40px auto 0;padding:20px 0 26px;border-top:1px solid rgba(169,199,220,.22);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8fb3cc}@media(max-width:820px){.footer-inner{grid-template-columns:1fr 1fr;gap:28px}.footer-brand-col{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:6px}}@media(max-width:480px){.footer-inner{grid-template-columns:1fr;gap:24px}.footer-inner,.footer-bottom{width:calc(100% - 40px)}}.stage1-showcase{position:relative}.stage1-showcase .stage-decor{position:absolute;left:0;top:0;width:100%;height:auto;pointer-events:none;z-index:3;overflow:visible}@media(max-width:900px){.stage-decor{display:none}}@media(max-width:900px){.stage1-showcase .hero-script,.stage1-showcase .doodle-atom,.stage1-showcase .doodle-pulse,.stage1-showcase .stage-decor{display:none!important}}@media(min-width:901px){:root{--gutter:clamp(24px,5.14vw,86px)}.stage1-showcase{width:100%;margin:0;padding:0;position:relative;overflow:visible}.topbar{display:flex!important;align-items:center;justify-content:space-between;gap:24px;height:clamp(60px,4.07vw,68px);max-width:none;width:100%;margin:0;padding:0 var(--gutter);background:#fff;box-shadow:none}.topbar .logo{display:flex;align-items:center;gap:clamp(12px,1.08vw,18px);flex:none;position:static}.topbar .steam-logo i{width:clamp(22px,1.8vw,30px);height:clamp(26px,2.04vw,34px);font-size:clamp(14px,1.08vw,18px);border-radius:clamp(6px,.48vw,8px)}.topbar .logo-divider{height:clamp(26px,2.15vw,36px);width:1px;background:#b9d8e6}.topbar .brand-stack b{font-size:clamp(15px,1.32vw,22px);font-weight:900;color:#0a1f5c;display:block;line-height:1.1}.topbar .brand-stack small{font-size:clamp(11px,.78vw,13px);color:#2a4f7a;display:block}.topbar nav{display:flex!important;align-items:center;gap:clamp(16px,1.9vw,32px);position:static;width:auto;height:auto;margin:0;padding:0}.topbar nav a{position:static;height:auto;line-height:1.2;font-size:clamp(13px,.96vw,16px);font-weight:600;color:#0d2a5e;white-space:nowrap;padding:clamp(6px,.6vw,10px) clamp(10px,1.2vw,20px);border-radius:999px;margin:0;background:none}.topbar nav a.nav-home{background:#14b5bd;color:#fff;font-weight:700}.topbar nav .nav-search{display:none}.topbar nav a:nth-child(5),.topbar nav a:nth-child(6){display:inline-block}.stage1-showcase .hero-grid{position:relative;display:grid;grid-template-columns:47.25% minmax(0,1fr);align-items:stretch;width:100%;max-width:none;height:auto;margin:0;padding:0;background:transparent}.stage1-showcase .hero-left{position:relative;padding:clamp(40px,3.71vw,62px) 0 clamp(24px,2.5vw,40px) clamp(24px,8.37vw,140px);display:flex;flex-direction:column;min-width:0}.stage1-showcase .hero-left h1{margin:0;font-size:clamp(34px,3.71vw,62px);line-height:1.16;letter-spacing:0;white-space:nowrap}.stage1-showcase .hero-left h2{margin:clamp(28px,4.19vw,70px) 0 0;font-size:clamp(15px,1.2vw,20px);line-height:1.3;white-space:nowrap}.stage1-showcase .hero-left p{margin:clamp(12px,1.2vw,20px) 0 0;max-width:min(36vw,600px);font-size:clamp(15px,1.1vw,18.5px);line-height:1.5}.stage1-showcase .hero-left .actions{display:flex;flex-wrap:wrap;gap:clamp(12px,1.3vw,22px);margin-top:clamp(18px,1.37vw,23px)}.stage1-showcase .hero-left .actions .btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;height:clamp(44px,3.29vw,55px);padding:0 clamp(16px,1.44vw,24px);border-radius:999px;font-size:clamp(15px,1.14vw,19px);font-weight:800;white-space:nowrap}.stage1-showcase .hero-left .actions .btn.primary{min-width:clamp(160px,14.35vw,240px)}.stage1-showcase .hero-left .actions .btn.secondary{min-width:clamp(180px,16.27vw,272px);height:clamp(42px,3.17vw,53px)}.stage1-showcase .hero-mini-stats{display:none}.stage1-showcase .hero-photo{position:relative;width:100%;height:auto;aspect-ratio:882/476;min-width:0;overflow:visible;margin:0;padding:0;align-self:start;justify-self:stretch}.stage1-showcase .hero-photo>img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;object-position:50% 40%;border-radius:clamp(90px,13.76vw,230px) 0 0 clamp(90px,13.76vw,230px)}.stage1-showcase .hero-left .hero-script{position:absolute;left:clamp(90px,11.96vw,200px);top:clamp(10px,1.08vw,18px);font-size:clamp(14px,1.32vw,22px);line-height:1.2;white-space:nowrap;transform:rotate(-4deg)}.stage1-showcase .hero-left .doodle-atom{position:absolute;left:clamp(12px,2.39vw,40px);top:clamp(10px,1.2vw,20px);width:clamp(34px,3.47vw,58px);height:clamp(34px,3.47vw,58px)}.stage1-showcase .hero-left .doodle-pulse{position:absolute;left:calc(clamp(24px,8.37vw,140px) + 0px);top:clamp(10px,1.32vw,22px);width:clamp(60px,6.2vw,104px);height:clamp(26px,2.75vw,46px);font-size:0;display:block}.stage1-showcase .hero-left .left-handwriting{position:absolute;left:clamp(18px,1.97vw,33px);top:clamp(160px,17.9vw,300px);width:clamp(60px,5vw,84px);text-align:center;font-family:Caveat,cursive;font-weight:700;font-size:clamp(14px,1.32vw,22px);line-height:1.2;color:#1e8fd5}.stage1-showcase .hero-grid:before{content:"";position:absolute;left:0;top:clamp(70px,7.2vw,120px);width:clamp(90px,10.2vw,170px);height:clamp(200px,22.7vw,380px);pointer-events:none;background-image:linear-gradient(rgba(120,190,225,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,225,.22) 1px,transparent 1px);background-size:clamp(12px,1.32vw,22px) clamp(12px,1.32vw,22px);-webkit-mask-image:linear-gradient(90deg,#000 55%,transparent);mask-image:linear-gradient(90deg,#000 55%,transparent)}.stage1-showcase .hero-grid .hero-arrow{position:absolute;left:44.7%;top:clamp(120px,11.96vw,200px);width:clamp(30px,2.99vw,50px);height:clamp(36px,3.59vw,60px);pointer-events:none}.stage1-showcase .steam-area{position:relative;padding:clamp(18px,1.67vw,28px) var(--gutter) clamp(24px,2.1vw,36px);background:transparent;margin:0;width:100%;max-width:none;height:auto}.stage1-showcase .steam-area:before{display:none}.stage1-showcase .steam-area:after{content:"";position:absolute;right:0;top:0;width:clamp(180px,21.5vw,360px);height:clamp(120px,12.6vw,210px);pointer-events:none;background-image:linear-gradient(rgba(120,190,225,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(120,190,225,.22) 1px,transparent 1px);background-size:clamp(12px,1.32vw,22px) clamp(12px,1.32vw,22px);-webkit-mask-image:linear-gradient(270deg,#000 50%,transparent);mask-image:linear-gradient(270deg,#000 50%,transparent)}.stage1-showcase .steam-heading{position:relative;display:flex;justify-content:space-between;align-items:flex-start;gap:24px;padding-left:clamp(0px,2.8vw,47px)}.stage1-showcase .steam-heading>div{position:relative;min-width:0}.stage1-showcase .steam-heading h2{position:relative;display:inline-block;margin:0;font-size:clamp(26px,2.39vw,40px);line-height:1.15;font-weight:800;white-space:nowrap}.stage1-showcase .steam-heading h2:before,.stage1-showcase .steam-heading h2:after{content:"";position:absolute;top:50%;width:clamp(20px,1.8vw,30px);height:clamp(20px,1.8vw,30px);transform:translateY(-50%);background:no-repeat center/contain;pointer-events:none}.stage1-showcase .steam-heading h2:before{left:clamp(-34px,-2.6vw,-44px);background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 30 30%27%3E%3Cpath d=%27M4 9 l7 4 M3 16 l9 0 M5 24 l7 -5%27 stroke=%27%23f5b400%27 stroke-width=%273%27 stroke-linecap=%27round%27 fill=%27none%27/%3E%3C/svg%3E")}.stage1-showcase .steam-heading h2:after{right:clamp(-34px,-2.6vw,-44px);background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 30 30%27%3E%3Cpath d=%27M26 9 l-7 4 M27 16 l-9 0 M25 24 l-7 -5%27 stroke=%27%23f5b400%27 stroke-width=%273%27 stroke-linecap=%27round%27 fill=%27none%27/%3E%3C/svg%3E")}.stage1-showcase .steam-heading p{margin:4px 0 0;font-size:clamp(13px,1vw,16.5px);line-height:1.45;color:#1d3b66;max-width:min(60vw,980px)}.stage1-showcase .steam-heading .pill-video{display:inline-flex;align-items:center;gap:10px;flex:none;height:clamp(42px,3.17vw,53px);padding:0 clamp(16px,1.5vw,25px);border-radius:999px;background:#fff;border:1px solid #c8eafb;color:#0a2466;font-size:clamp(13px,.96vw,16px);font-weight:800;white-space:nowrap;margin-top:clamp(0px,.1vw,2px);box-shadow:0 6px 18px #12589814}.stage1-showcase .steam-heading .pill-video .ico{width:clamp(20px,1.56vw,26px);height:clamp(20px,1.56vw,26px)}.stage1-showcase .steam-handwritten{position:absolute;right:clamp(0px,.6vw,10px);top:clamp(52px,4.3vw,72px);margin-top:0;font-family:Caveat,cursive;font-weight:700;font-size:clamp(15px,1.25vw,21px);line-height:1.2;color:#1e8fd5;text-align:right;white-space:nowrap;pointer-events:none}.stage1-showcase .steam-atom-deco{position:absolute;right:clamp(10px,1.2vw,20px);top:0;width:clamp(28px,2.75vw,46px);height:clamp(28px,2.75vw,46px);color:#1e8fd5;pointer-events:none}.stage1-showcase .steam-cards{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(10px,1.02vw,17px);margin:14px 0 0;padding:0}.stage1-showcase .steam-card{position:relative;display:flex;flex-direction:column;min-width:0;height:auto;min-height:clamp(120px,9.45vw,158px);padding:clamp(14px,1.08vw,18px) clamp(14px,1.2vw,20px) clamp(12px,.84vw,14px);border-radius:clamp(12px,1.08vw,18px);box-sizing:border-box;overflow:visible}.stage1-showcase .steam-card-top{position:static;display:flex;align-items:center;gap:clamp(10px,.96vw,16px);width:auto;height:auto;padding:0;min-width:0}.stage1-showcase .steam-card .letter{flex:none;width:clamp(36px,2.99vw,50px);height:clamp(36px,2.99vw,50px);font-size:clamp(24px,2.03vw,34px);border-radius:clamp(8px,.72vw,12px)}.stage1-showcase .steam-card h3{margin:0;font-size:clamp(14px,1.14vw,19px);line-height:1.25;font-weight:800;white-space:nowrap;min-width:0;overflow-wrap:anywhere}.stage1-showcase .steam-card .subject-icon{position:absolute;right:clamp(12px,1.2vw,20px);top:clamp(10px,.96vw,16px);width:clamp(28px,2.75vw,46px);height:clamp(28px,2.75vw,46px)}.stage1-showcase .steam-card .subject-icon svg{width:100%;height:100%}.stage1-showcase .steam-card p{margin:clamp(8px,.6vw,10px) 0 0;font-size:clamp(13px,.9vw,15px);line-height:1.4;color:#1f3b63;font-weight:500}.stage1-showcase .stats-ribbon{position:relative;display:flex;align-items:center;justify-content:space-around;gap:clamp(12px,1.5vw,24px);width:min(100%,745px);height:clamp(40px,3.11vw,52px);margin:clamp(12px,1.2vw,20px) auto 0;padding:0 clamp(16px,1.5vw,24px);box-sizing:border-box;border-radius:999px;background:#e9f5fa;box-shadow:inset 0 0 0 1px #d6ecf6;font-size:clamp(13px,1.12vw,18px);color:#0a2466;white-space:nowrap}.stage1-showcase .stats-ribbon div{display:flex;align-items:center;gap:6px;font-size:inherit}.stage1-showcase .stats-ribbon strong{font-size:clamp(15px,1.26vw,21px)}.stage1-showcase .stats-ribbon .ico{width:clamp(18px,1.44vw,24px);height:clamp(18px,1.44vw,24px);color:#0aa6b1}.stage1-showcase .stats-ribbon:before,.stage1-showcase .stats-ribbon:after{content:"";position:absolute;top:50%;width:clamp(22px,2vw,34px);height:clamp(22px,2vw,34px);transform:translateY(-50%);background:no-repeat center/contain;pointer-events:none}.stage1-showcase .stats-ribbon:before{left:clamp(-44px,-2.75vw,-46px);background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 34 34%27%3E%3Cpath d=%27M22 8 l-12 4 M24 17 l-14 0 M22 26 l-12 -4%27 stroke=%27%237fcfe6%27 stroke-width=%273%27 stroke-linecap=%27round%27 fill=%27none%27/%3E%3C/svg%3E")}.stage1-showcase .stats-ribbon:after{right:clamp(-44px,-2.75vw,-46px);background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 34 34%27%3E%3Cpath d=%27M12 8 l12 4 M10 17 l14 0 M12 26 l12 -4%27 stroke=%27%237fcfe6%27 stroke-width=%273%27 stroke-linecap=%27round%27 fill=%27none%27/%3E%3C/svg%3E")}.stage1-showcase .feature-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(10px,1.02vw,17px);margin:clamp(16px,1.56vw,26px) 0 0;padding:0}.stage1-showcase .feature-card{position:relative;display:flex;align-items:center;gap:clamp(12px,1.2vw,20px);min-width:0;min-height:clamp(78px,5.98vw,100px);padding:clamp(10px,.96vw,16px) clamp(14px,1.44vw,24px);border-radius:clamp(12px,1.08vw,18px);box-sizing:border-box}.stage1-showcase .feature-icon{flex:none;width:clamp(56px,4.78vw,80px);height:clamp(56px,4.78vw,80px);display:grid;place-items:center}.stage1-showcase .feature-content{flex:1;min-width:0}.stage1-showcase .feature-content b{display:block;font-size:clamp(16px,1.26vw,21px)}.stage1-showcase .feature-content small{display:block;font-size:clamp(12px,.84vw,14px);line-height:1.4}.stage1-showcase .feature-arrow{flex:none}}.mobile-menu-toggle{display:none;border:0;background:#eaf8ff;width:46px;height:46px;border-radius:14px;cursor:pointer;place-items:center;padding:0;flex:none;flex-direction:column;gap:5px}.mobile-menu-toggle span{display:block;width:20px;height:2.4px;border-radius:2px;background:#0a2466;transition:transform .25s ease,opacity .2s ease}.mobile-menu-toggle[aria-expanded=true] span:nth-child(1){transform:translateY(7.4px) rotate(45deg)}.mobile-menu-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.mobile-menu-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-7.4px) rotate(-45deg)}@media(max-width:1279px){.mobile-menu-toggle{display:flex}.stage1-header{position:sticky;top:0;z-index:50}.stage1-header nav{display:none!important}.stage1-header nav.nav-expanded{display:flex!important;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;padding:10px 20px 16px;background:#fff;border-top:1px solid #e3eef5;box-shadow:0 16px 30px #0a24661f;z-index:60}.stage1-header nav.nav-expanded a{padding:12px 14px;font-size:16px;border-radius:12px;display:block}}@media(min-width:901px){.stage1-showcase .steam-heading{margin:0;padding-top:0;padding-bottom:0;height:auto;min-height:0}.stage1-showcase .steam-heading>div{margin:0}.stage1-showcase .steam-cards{margin-top:14px}}@media(min-width:901px){.stage1-showcase .feature-card{height:clamp(78px,5.98vw,100px);min-height:0;padding-top:0;padding-bottom:0;overflow:visible}.stage1-showcase .feature-icon{width:clamp(50px,4.4vw,74px);height:clamp(50px,4.4vw,74px)}.stage1-showcase .stats-ribbon{width:clamp(320px,44.6vw,745px);max-width:none}}@media(min-width:901px){.stage1-showcase .steam-handwritten br{display:none}}@media(min-width:901px){.stage1-showcase .steam-tools{display:flex;flex-direction:column;align-items:flex-end;gap:clamp(4px,.4vw,8px);flex:none}.stage1-showcase .steam-handwritten{position:static;margin:0;white-space:nowrap}}@media(min-width:901px){.stage1-showcase .steam-handwritten{transform:none}}@media(max-width:900px){.stage1-showcase .photo-bone{right:24px!important;left:auto!important}}@media(max-width:900px){.stage1-showcase .hero-photo{position:relative}}@media(min-width:901px){.stage1-showcase .hero-left .doodle-pulse{left:93.4%}.stage1-showcase .hero-photo:before,.stage1-showcase .hero-photo:after{display:none}.stage1-showcase .photo-label,.stage1-showcase .photo-board,.stage1-showcase .photo-bone,.stage1-showcase .photo-doodle{display:none}.stage1-showcase .stats-ribbon{width:auto;min-width:clamp(320px,44.6vw,745px);max-width:100%;justify-content:center;gap:clamp(18px,2.1vw,36px)}}@media(min-width:901px){.stage1-showcase .stats-ribbon{width:clamp(320px,44.6vw,745px);min-width:0;max-width:100%;margin-left:auto;margin-right:auto}}@media(min-width:901px){.stage1-showcase .steam-card-top{position:relative}.stage1-showcase .steam-card .subject-icon{position:static;flex:none;margin-left:auto;width:clamp(26px,2.5vw,46px);height:clamp(26px,2.5vw,46px)}.stage1-showcase .steam-card h3{flex:1 1 auto;min-width:0}}@media(min-width:901px)and (max-width:1440px){.stage1-showcase .steam-card-top{gap:8px}.stage1-showcase .steam-card .letter{width:34px;height:34px;font-size:22px;border-radius:9px}.stage1-showcase .steam-card .subject-icon{width:24px;height:24px}.stage1-showcase .steam-card h3{font-size:14px}}@media(min-width:901px){.stage1-showcase .hero-left h1{margin-top:20px}.stage1-showcase .hero-left h2{margin-top:40px}}@media(min-width:901px){.stage1-showcase .hero-photo>img{object-position:50% 0%}}@media(min-width:901px){.stage1-showcase .hero-left .doodle-pulse{left:95%;width:clamp(90px,8vw,134px);height:clamp(38px,3.7vw,62px)}}@media(min-width:901px){.stage1-showcase .hero-left .doodle-pulse{left:84%}}@media(min-width:901px){.stage1-showcase .hero-grid .hero-arrow{width:clamp(44px,4.2vw,70px);height:clamp(32px,3vw,50px)}}@media(min-width:901px){.stage1-showcase .hero-grid .hero-arrow{z-index:3}}@media(min-width:901px){.stage1-showcase .hero-grid .hero-arrow{left:39.3%;width:clamp(56px,5.4vw,90px);height:clamp(40px,3.9vw,65px)}}@media(min-width:901px){.stage1-projects{padding:clamp(36px,3.4vw,56px) 5% clamp(28px,2.4vw,40px);max-width:none}.stage1-how{padding:clamp(32px,2.9vw,48px) 5%}.arduino-banner{margin:clamp(24px,2.4vw,40px) auto!important}.materials-section{margin:clamp(16px,1.4vw,24px) auto clamp(28px,2.4vw,40px)!important;max-width:min(1250px,92%)}.stage1-faq{max-width:min(1240px,92%);padding:clamp(36px,3vw,48px) 0 clamp(48px,4.2vw,72px)}.stage1-faq details{padding:clamp(14px,1.2vw,20px) 0}.stage1-faq summary{font-size:clamp(16px,1.2vw,20px)}}@media(min-width:901px){.stage1-showcase .stats-ribbon{height:clamp(46px,3.4vw,58px);gap:0;justify-content:space-evenly;padding:0 clamp(18px,1.8vw,30px)}.stage1-showcase .stats-ribbon div{position:relative;display:flex;align-items:center;gap:clamp(8px,.7vw,12px);padding:0 clamp(14px,1.5vw,26px);font-size:clamp(14px,1.15vw,19px);font-weight:500;color:#0a2466}.stage1-showcase .stats-ribbon div+div:before{content:"";position:absolute;left:0;top:18%;bottom:18%;width:1.5px;background:#bcdcea}.stage1-showcase .stats-ribbon .ico{width:clamp(26px,2.2vw,38px);height:clamp(26px,2.2vw,38px);stroke-width:2.2;color:#0aa6b1}.stage1-showcase .stats-ribbon strong{font-size:clamp(20px,1.7vw,28px);font-weight:900;color:#0a2466;line-height:1}.stage1-showcase .stats-ribbon:before,.stage1-showcase .stats-ribbon:after{width:clamp(34px,3vw,52px);height:clamp(40px,3.6vw,60px);top:50%;transform:translateY(-50%);background-size:100% 100%}.stage1-showcase .stats-ribbon:before{left:clamp(-62px,-4.6vw,-74px);background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 40 40%27%3E%3Cpath d=%27M36 20 Q18 18 6 6 M36 20 L5 20 M36 20 Q18 22 6 34%27 stroke=%27%237fcfe6%27 stroke-width=%273%27 stroke-linecap=%27round%27 fill=%27none%27/%3E%3C/svg%3E")}.stage1-showcase .stats-ribbon:after{right:clamp(-62px,-4.6vw,-74px);background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 viewBox=%270 0 40 40%27%3E%3Cpath d=%27M4 20 Q22 18 34 6 M4 20 L35 20 M4 20 Q22 22 34 34%27 stroke=%27%237fcfe6%27 stroke-width=%273%27 stroke-linecap=%27round%27 fill=%27none%27/%3E%3C/svg%3E")}}@media(min-width:901px){.stage1-showcase .stats-ribbon strong{font-size:clamp(18px,1.5vw,25px)}.stage1-showcase .stats-ribbon div:nth-child(3) strong{font-size:inherit;font-weight:600}.stage1-showcase .stats-ribbon .ico{width:clamp(24px,2vw,34px);height:clamp(24px,2vw,34px)}.stage1-showcase .stats-ribbon div{padding:0 clamp(12px,1.2vw,22px)}}@media(min-width:901px){.stage1-showcase .stats-ribbon div{font-size:clamp(13px,1.02vw,17px);padding:0 clamp(8px,.9vw,16px);gap:clamp(6px,.5vw,9px)}.stage1-showcase .stats-ribbon{padding:0 clamp(12px,1.2vw,20px)}}@media(min-width:901px){.stage1-showcase .stats-ribbon{min-width:min(640px,100%)}}.s2{--s2-teal:#0aa6b1;--s2-teal-d:#07858f;--s2-ink:#0a2466;--s2-muted:#4a5d78;--s2-line:#d6e6ef;--s2-bg:#f3fafc;color:var(--s2-ink);font-family:Nunito,system-ui,sans-serif;background:var(--s2-bg);min-height:60vh;padding:clamp(18px,2vw,32px) clamp(16px,4vw,86px) clamp(40px,4vw,64px);box-sizing:border-box}.s2 *{box-sizing:border-box}.s2 a{text-decoration:none;color:inherit}.s2 h1,.s2 h2,.s2 h3{font-family:Montserrat,sans-serif;color:var(--s2-ink);margin:0;overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto}.s2 p{margin:0}.s2 img{display:block;max-width:100%}.s2 button,.s2 input,.s2 select{font:inherit}.s2 .s2-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.s2 .s2-crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--s2-muted);font-weight:600}.s2 .s2-crumbs a{color:var(--s2-teal-d)}.s2 .s2-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(16px,2.5vw,40px);align-items:center;padding:clamp(8px,1vw,16px) 0 clamp(14px,1.6vw,24px)}.s2 .s2-hero-copy{display:flex;flex-direction:column;gap:clamp(6px,.7vw,10px)}.s2 .s2-hero h1{font-size:clamp(40px,4.6vw,72px);font-weight:900;letter-spacing:-.02em;line-height:1}.s2 .s2-hero-sub{font-family:Nunito,sans-serif;font-size:clamp(17px,1.4vw,22px);font-weight:800;color:var(--s2-teal)}.s2 .s2-hero-text{font-size:clamp(14px,1vw,17px);line-height:1.6;color:var(--s2-muted);max-width:560px}.s2 .s2-hero-art{border-radius:clamp(24px,3vw,48px);overflow:hidden;aspect-ratio:1916/821;box-shadow:0 18px 40px #0a24661f}.s2 .s2-hero-art img{width:100%;height:100%;object-fit:cover}.s2 .s2-controls{display:flex;align-items:center;gap:clamp(8px,.8vw,14px);flex-wrap:wrap;background:#fff;border:1px solid var(--s2-line);border-radius:18px;padding:clamp(8px,.7vw,12px);box-shadow:0 8px 22px #0a24660f}.s2 .s2-search{flex:1 1 220px;min-width:200px;position:relative}.s2 .s2-search input{width:100%;height:clamp(40px,3vw,46px);border:1px solid var(--s2-line);border-radius:999px;padding:0 18px;color:var(--s2-ink);background:#fff;outline:none}.s2 .s2-search input:focus{border-color:var(--s2-teal);box-shadow:0 0 0 3px #0aa6b126}.s2 .s2-filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.s2 .s2-chip{height:clamp(36px,2.7vw,42px);padding:0 clamp(12px,1vw,18px);border-radius:999px;border:1px solid var(--s2-line);background:#fff;color:var(--s2-ink);font-weight:800;font-size:clamp(13px,.95vw,15px);cursor:pointer;white-space:nowrap}.s2 .s2-chip:hover{border-color:var(--s2-teal)}.s2 .s2-chip.is-on{background:var(--s2-teal);border-color:var(--s2-teal);color:#fff}.s2 .s2-sort{display:flex;align-items:center;gap:8px;font-weight:800;font-size:clamp(13px,.95vw,15px);color:var(--s2-muted)}.s2 .s2-sort select{height:clamp(40px,3vw,46px);border:1px solid var(--s2-line);border-radius:12px;padding:0 12px;background:#fff;color:var(--s2-ink);font-weight:700}.s2 .s2-metrics{display:flex;flex-wrap:wrap;gap:clamp(8px,.8vw,14px);margin:clamp(12px,1.2vw,18px) 0}.s2 .s2-metrics span{display:inline-flex;align-items:center;gap:8px;height:clamp(40px,3vw,46px);padding:0 clamp(14px,1.2vw,20px);border-radius:999px;background:#fff;border:1px solid var(--s2-line);font-weight:700;font-size:clamp(13px,.95vw,15px);color:var(--s2-muted)}.s2 .s2-metrics b{font-family:Montserrat,sans-serif;color:var(--s2-ink);font-weight:900;font-size:clamp(15px,1.1vw,18px)}.s2 .s2-count{font-size:13px;color:var(--s2-muted);margin-bottom:10px}.s2 .s2-count b{color:var(--s2-ink)}.s2 .s2-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(9px,.8vw,14px)}.s2 .s2-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--s2-line);border-radius:20px;overflow:hidden;box-shadow:0 8px 20px #0a246612;transition:transform .25s ease,box-shadow .25s ease}.s2 .s2-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px #0a246621}.s2 .s2-card-img{position:relative;aspect-ratio:4/3;background:#eef7fb;overflow:hidden}.s2 .s2-card-img img{width:100%;height:100%;object-fit:cover;object-position:center}.s2 .s2-num{position:absolute;left:14px;top:14px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--s2-teal);color:#fff;font-family:Montserrat,sans-serif;font-weight:800;font-size:13px;box-shadow:0 4px 12px #07858f59}.s2 .s2-card-body{display:flex;flex-direction:column;gap:8px;padding:clamp(14px,1.1vw,18px);flex:1}.s2 .s2-tags{display:flex;gap:6px;flex-wrap:wrap}.s2 .s2-tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:800;white-space:nowrap}.s2 .s2-tag-ard{background:var(--s2-teal);color:#fff}.s2 .s2-tag-exp{background:#ece3ff;color:#5a3fd0}.s2 .s2-tag-theory{background:#dcecff;color:#1f5fb8}.s2 .s2-tag-bio{background:#ffeebd;color:#8a5a00}.s2 .s2-tag-extra{background:#e6f5f6;color:#07858f}.s2 .s2-card h3{font-size:clamp(15px,1.1vw,18px);line-height:1.3;font-weight:800}.s2 .s2-card-body p{font-size:clamp(13px,.9vw,15px);line-height:1.5;color:var(--s2-muted);flex:1}.s2 .s2-more{font-size:clamp(13px,.95vw,15px);font-weight:800;color:var(--s2-teal-d);margin-top:4px}.s2 .s2-empty{display:flex;flex-direction:column;gap:6px;align-items:center;text-align:center;padding:clamp(32px,4vw,64px);border:1px dashed #b9d4e3;border-radius:18px;background:#fff;color:var(--s2-muted)}.s2 .s2-empty strong{font-family:Montserrat,sans-serif;color:var(--s2-ink);font-size:clamp(18px,1.4vw,22px)}.s2 .s2-pager{display:flex;justify-content:center;align-items:center;gap:8px;margin:clamp(20px,2vw,32px) 0 0}.s2 .s2-pg,.s2 .s2-pg-arrow{min-width:40px;height:40px;border-radius:12px;border:1px solid var(--s2-line);background:#fff;color:var(--s2-ink);font-weight:800;cursor:pointer;padding:0 12px}.s2 .s2-pg.is-on{background:var(--s2-teal);border-color:var(--s2-teal);color:#fff}.s2 .s2-pg-arrow:disabled{opacity:.4;cursor:default}.s2 .s2-detail-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,3vw,48px);align-items:center}.s2 .s2-detail-copy{display:flex;flex-direction:column;gap:clamp(10px,1vw,14px)}.s2 .s2-detail-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.s2 .s2-num-lg{width:44px;height:44px;border-radius:50%;background:var(--s2-teal);color:#fff;display:grid;place-items:center;font-family:Montserrat,sans-serif;font-weight:800;font-size:16px}.s2 .s2-detail h1,.s2 .s2-detail-top h1{font-size:clamp(34px,3.6vw,60px);font-weight:900;letter-spacing:-.02em;line-height:1.08}.s2 .s2-lead{font-size:clamp(15px,1.1vw,18px);line-height:1.6;color:var(--s2-muted)}.s2 .s2-actions{display:flex;flex-wrap:wrap;gap:12px}.s2 .s2-btn{display:inline-flex;align-items:center;justify-content:center;height:clamp(44px,3.2vw,52px);padding:0 clamp(18px,1.6vw,26px);border-radius:999px;font-weight:800;font-size:clamp(14px,1vw,16px);white-space:nowrap;transition:transform .2s ease}.s2 .s2-btn:hover{transform:translateY(-2px)}.s2 .s2-btn-primary{background:var(--s2-teal);color:#fff;box-shadow:0 10px 22px #0aa6b147}.s2 .s2-btn-ghost{background:#fff;color:var(--s2-ink);border:1.5px solid #bfd6e4}.s2 .s2-detail-img{margin:0;border-radius:clamp(24px,2.4vw,36px);overflow:hidden;aspect-ratio:4/3;box-shadow:0 18px 40px #0a246624;background:#e8f3f8}.s2 .s2-detail-img img{width:100%;height:100%;object-fit:cover}.s2 .s2-facts{list-style:none;padding:0;margin:clamp(20px,2vw,32px) 0 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(10px,1vw,16px)}.s2 .s2-facts li{display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--s2-line);border-radius:16px;padding:clamp(12px,1vw,18px) clamp(14px,1.2vw,20px)}.s2 .s2-facts span{font-size:12px;font-weight:800;color:var(--s2-teal-d);text-transform:uppercase;letter-spacing:.04em}.s2 .s2-facts strong{font-family:Montserrat,sans-serif;font-size:clamp(14px,1.05vw,17px)}.s2 .s2-blocks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(12px,1.2vw,20px);margin-top:clamp(20px,2vw,32px)}.s2 .s2-block{background:#fff;border:1px solid var(--s2-line);border-radius:20px;padding:clamp(18px,1.6vw,26px);display:flex;flex-direction:column;gap:12px}.s2 .s2-block h2{font-size:clamp(16px,1.3vw,21px);font-weight:900;display:flex;align-items:center;gap:10px}.s2 .s2-block h2 b{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--s2-teal);color:#fff;font-size:12px}.s2 .s2-block p,.s2 .s2-steps li{font-size:clamp(14px,1vw,16px);line-height:1.6;color:var(--s2-muted)}.s2 .s2-note{font-style:italic;color:#7a8aa3}.s2 .s2-mats{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}.s2 .s2-mats li{padding:8px 14px;border-radius:999px;background:#e6f5f6;color:var(--s2-teal-d);font-weight:800;font-size:14px}.s2 .s2-steps{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:8px}.s2 .s2-download{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin-top:clamp(16px,1.6vw,24px);background:#e6f5f6;border-radius:24px;padding:clamp(18px,1.6vw,26px) clamp(20px,2vw,32px)}.s2 .s2-eyebrow{font-size:12px;font-weight:800;color:var(--s2-teal-d);letter-spacing:.06em;text-transform:uppercase}.s2 .s2-download h2{font-size:clamp(18px,1.5vw,24px);margin:4px 0}.s2 .s2-download p{color:var(--s2-muted);font-size:14px}.s2 .s2-neighbors{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:clamp(16px,1.6vw,24px)}.s2 .s2-neighbors a{display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--s2-line);border-radius:18px;padding:16px 20px}.s2 .s2-neighbors a.s2-next{text-align:right}.s2 .s2-neighbors span{font-size:13px;font-weight:800;color:var(--s2-teal-d)}.s2 .s2-neighbors strong{font-family:Montserrat,sans-serif;font-size:clamp(14px,1.05vw,16px)}.s2 .s2-back{margin-top:14px;font-weight:800;color:var(--s2-teal-d)}@media(max-width:1000px){.s2 .s2-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.s2 .s2-controls{gap:10px}}@media(max-width:900px){.s2 .s2-hero,.s2 .s2-detail-top{grid-template-columns:minmax(0,1fr)}.s2 .s2-btn{white-space:normal;text-align:center;height:auto;min-height:44px;padding:10px 18px}.s2 .s2-hero-copy,.s2 .s2-detail-copy{min-width:0}.s2 .s2-hero h1{font-size:44px}.s2 .s2-detail-top h1{font-size:clamp(30px,8.4vw,40px)}.s2 .s2-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.s2 .s2-blocks,.s2 .s2-facts{grid-template-columns:minmax(0,1fr)}.s2 .s2-search{flex-basis:100%}.s2 .s2-filters{flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:4px}.s2 .s2-sort{width:100%;justify-content:space-between}}@media(max-width:420px){.s2 .s2-grid,.s2 .s2-neighbors{grid-template-columns:1fr}.s2 .s2-neighbors a.s2-next{text-align:left}}.s2-catalog-page,.s2-detail-page{position:relative;overflow:visible}.s2 .s2-hero{padding:clamp(4px,.5vw,8px) 0 clamp(6px,.8vw,12px)}.s2 .s2-hero-copy{padding-left:8vw}.s2 .s2-hero h1{font-size:clamp(40px,4.2vw,64px)}.s2 .s2-hero-art{aspect-ratio:3832/1022;border-radius:clamp(20px,3vw,44px) clamp(20px,3vw,44px) clamp(20px,3vw,44px) clamp(60px,8vw,120px);box-shadow:none}.s2 .s2-controls{padding:3px 6px;gap:8px;border-radius:14px;box-shadow:none}.s2 .s2-search input{height:33px;padding:0 14px}.s2 .s2-chip{height:33px;padding:0 12px;font-size:13px}.s2 .s2-sort select{height:33px;padding:0 10px;font-size:13px}.s2 .s2-sort{font-size:13px}.s2 .s2-metrics{margin:10px 0}.s2 .s2-metrics span{height:40px}.s2 .s2-grid{gap:11px}.s2 .s2-card-img img{object-fit:cover}.s2 .s2-card-badge{position:absolute;left:52px;top:14px;z-index:2}.s2 .s2-card-badge .s2-tag{height:24px;font-size:12px;box-shadow:0 2px 6px #0a24661f}.s2 .s2-num{left:12px;top:12px;width:30px;height:30px;font-size:12px;z-index:2}.s2 .s2-card-body{padding:10px 12px 12px;gap:4px}.s2 .s2-card h3{font-size:clamp(14px,1.05vw,17px)}.s2 .s2-card-body p{font-size:13px;line-height:1.45;flex:0 1 auto}.s2 .s2-more{margin-top:2px;font-size:13px}.s2 .s2-pager{background:#fff;border:1px solid var(--s2-line);border-radius:999px;padding:6px;width:max-content;margin:18px auto 0;box-shadow:0 4px 12px #0a24660f}.s2 .s2-pager .s2-pg,.s2 .s2-pager .s2-pg-arrow{border:0;min-width:34px;height:34px;padding:0 10px;border-radius:999px;background:transparent}.s2 .s2-pager .s2-pg.is-on{background:var(--s2-teal)}.s2 .s2-deco{position:absolute;pointer-events:none;z-index:1;display:flex;align-items:flex-start;gap:6px}.s2 .s2-deco svg{width:100%;height:auto;display:block}.s2 .s2-deco span{font-family:Caveat,cursive;color:#1e8fd5;font-size:clamp(18px,1.45vw,24px);line-height:1.1;font-weight:700}.s2 .s2-deco-idea{left:2.5%;top:60px;width:150px;flex-direction:column;align-items:flex-start}.s2 .s2-deco-idea svg{width:60px}.s2 .s2-deco-atom-top{left:36.4%;top:14px;width:44px}.s2 .s2-deco-bulb{left:42.5%;top:56px;width:34px}.s2 .s2-deco-learn{left:47%;top:64px}.s2 .s2-deco-goal{right:1.2%;top:14px;width:150px;flex-direction:column}.s2 .s2-deco-goal span{text-align:center}.s2 .s2-deco-pulse{left:59%;top:286px;width:86px}.s2 .s2-deco-dna{left:84%;top:280px;width:110px;flex-direction:column;align-items:flex-start}.s2 .s2-deco-dna svg{width:44px}.s2 .s2-deco-dna span{font-size:18px}.s2 .s2-deco-runner{right:2%;bottom:90px;width:120px;flex-direction:column;align-items:flex-end}.s2 .s2-deco-runner svg{width:70px}.s2 .s2-deco-runner span{font-size:18px;text-align:right}.s2 .s2-deco-atom-d{right:4%;top:80px;width:40px}.s2-footer{display:grid;grid-template-columns:auto 1fr auto;gap:20px;align-items:center;padding:18px clamp(16px,4vw,86px);background:linear-gradient(180deg,#eaf7fb,#dff1f8);color:#0a2466;font-family:Nunito,sans-serif;border-top:1px solid var(--s2-line)}.s2-footer-brand{display:flex;align-items:center;gap:12px}.s2-footer-logo{display:inline-flex;gap:3px}.s2-footer-logo i{font-style:normal;width:20px;height:20px;border-radius:5px;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:800;font-family:Montserrat,sans-serif}.s2-footer-logo i:nth-child(1){background:#ff6b3d}.s2-footer-logo i:nth-child(2){background:#0aa6b1}.s2-footer-logo i:nth-child(3){background:#f5b400}.s2-footer-logo i:nth-child(4){background:#7b5cf0}.s2-footer-logo i:nth-child(5){background:#ec4899}.s2-footer-brand b{display:block;font-family:Montserrat,sans-serif;font-size:14px}.s2-footer-brand small{font-size:12px;color:var(--s2-muted)}.s2-footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;font-size:13px;font-weight:700}.s2-footer-links a:hover{color:var(--s2-teal-d)}.s2-footer-note{font-size:12px;color:var(--s2-muted);text-align:right}.s2 .s2-detail-top{grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:clamp(20px,2.4vw,40px)}.s2 .s2-detail-img{aspect-ratio:2.5/1;border-radius:clamp(20px,2.4vw,36px)}.s2 .s2-detail-img img{object-fit:cover}.s2 .s2-facts{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:10px}.s2 .s2-facts li{padding:10px 12px;border-radius:14px}.s2 .s2-facts strong{font-size:14px}.s2 .s2-info-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:clamp(16px,1.6vw,24px)}.s2 .s2-blocks{grid-template-columns:repeat(2,minmax(0,1fr))}.s2 .s2-block h2 b{min-width:30px;padding:0 6px;border-radius:999px;width:auto}.s2 .s2-pdf-block{background:#e6f5f6}.s2 .s2-neighbors strong{font-size:14px}@media(max-width:900px){.s2 .s2-deco{display:none}.s2 .s2-hero-copy{padding-left:0}.s2 .s2-info-row{grid-template-columns:minmax(0,1fr)}.s2-footer{grid-template-columns:minmax(0,1fr);text-align:center;justify-items:center}.s2-footer-note{text-align:center}.s2 .s2-hero-art{border-radius:20px}}@media(max-width:520px){.s2 .s2-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.s2 .s2-card-img{aspect-ratio:3/1}}.s2 .s2-controls>*{min-width:0;max-width:100%}.s2 .s2-filters{min-width:0;max-width:100%;overflow-x:auto;scrollbar-width:none}.s2-footer>*{min-width:0}.s2-footer-note{overflow-wrap:anywhere}@media(max-width:900px){.s2 .s2-filters{flex-wrap:nowrap}}.s2-catalog-page{padding-top:0}.s2 .s2-hero{align-items:start;padding-top:10px}.s2 .s2-card-body p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.s2 .s2-card-body{padding:8px 12px 10px}.s2 .s2-metrics{margin:8px 0 6px}.s2 .s2-hero h1{font-size:clamp(34px,3.5vw,52px);white-space:nowrap}.s2 .s2-deco-dna{top:150px;left:86%;width:90px}.s2 .s2-deco-dna span{font-size:16px}.s2 .s2-deco-runner{right:3%;bottom:6px;top:auto;width:110px}.s2 .s2-deco-runner span{font-size:16px}@media(max-width:900px){.s2 .s2-hero h1{white-space:normal}}.s2 .s2-deco-d-script{left:-2%;top:150px;width:150px;flex-direction:column;align-items:flex-start}.s2 .s2-deco-d-script svg{width:60px}.s2 .s2-deco-d-bulb{right:6%;top:150px;width:40px}.s2 .s2-deco-d-gear{left:94%;top:520px;width:42px}.s2 .s2-deco-d-robot{right:1%;top:1100px;width:70px}@media(max-width:900px){.s2 .s2-deco-d-script,.s2 .s2-deco-d-bulb,.s2 .s2-deco-d-gear,.s2 .s2-deco-d-robot{display:none}}.s2 .s2-card-img{aspect-ratio:3/1;background:#e9f4f8}.s2 .s2-card-img img{object-fit:cover;object-position:50% 38%}.s2 .s2-card h3{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.s2 .s2-card-body p{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;font-size:13px}.s2 .s2-card-body{padding:8px 12px 9px;gap:3px}.s2 .s2-more{margin-top:0}.s2 .s2-hero-art{aspect-ratio:3832/1022;border-radius:clamp(20px,3vw,44px) clamp(20px,3vw,44px) clamp(20px,3vw,44px) clamp(60px,8vw,120px)}.s2 .s2-hero-art img{object-fit:cover;object-position:50% 42%}.s2 .s2-detail-img{aspect-ratio:2.5/1}.s2 .s2-detail-img img{object-fit:cover;object-position:50% 40%}.s2 .s2-grid>li{min-width:0}.s2 .s2-grid{grid-template-columns:repeat(5,minmax(0,1fr))}@media(max-width:1280px){.s2 .s2-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:1000px){.s2 .s2-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:900px){.s2 .s2-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.s2 .s2-card h3{white-space:normal}}@media(max-width:420px){.s2 .s2-grid{grid-template-columns:minmax(0,1fr)}}.s2 .s2-hero-text{max-width:500px}.s2 .s2-deco-atom-top{left:2%;top:206px;width:40px}.s2 .s2-deco-goal{right:2%;top:338px;width:auto;flex-direction:row;align-items:center}.s2 .s2-deco-goal span{text-align:left;white-space:nowrap}.s2 .s2-deco-dna{left:75%;top:296px;width:auto;flex-direction:row;align-items:center}.s2 .s2-deco-dna svg{width:34px;flex:0 0 34px}.s2 .s2-deco-dna span{white-space:nowrap;font-size:17px}.s2 .s2-deco-pulse{left:59%;top:300px}.s2 .s2-deco-goal{top:290px}.s2 .s2-deco-dna{top:244px}.s2 .s2-deco-pulse{top:258px}.s2 .s2-deco-bulb{top:76px}.s2 .s2-deco-learn{top:82px}.s2 .s2-deco-learn{left:45.2%}.s2 .s2-deco-d-script{left:auto;right:2%;top:352px;flex-direction:row;align-items:center;width:auto}.s2 .s2-deco-d-script svg{width:50px;flex:0 0 50px}.s2 .s2-deco-d-script span{white-space:nowrap}.s2 .s2-deco-d-bulb{left:46%;right:auto;top:84px;width:34px}.s2 .s2-deco-d-gear{left:.5%;top:520px;width:40px}.s2 .s2-deco-atom-d{right:.3%;top:6px;left:auto;width:40px}.s2 .s2-deco-d-robot{right:.3%;top:1292px;width:64px}.s2 .s2-deco-bulb{left:calc(42.5% - 90px)}.s2 .s2-deco-learn{left:calc(45.2% - 90px)}.s2 .s2-hero-text{max-width:340px}.s2 .s2-deco-pulse{display:none}.s2 .s2-deco-idea svg{display:none}.s2 .s2-deco-dna{top:284px}.s2 .s2-deco-goal{top:250px}.s2 .s2-deco-goal{top:236px}.s2 .s2-deco-dna{top:272px}.s2 .s2-deco-dna svg{width:24px;flex:0 0 24px}.s2 .s2-deco-dna{display:none}.s2 .s2-deco-goal{top:680px;right:2%}.s2 .s2-deco-goal{right:9%}.s2 .s2-deco-goal{right:12%}.s2 .s2-deco-goal,.s2 .s2-deco-runner{display:none}.s2 .s2-block,.s2 .s2-steps li,.s2 .s2-mats li,.s2 .s2-block p{overflow-wrap:anywhere;min-width:0}.s2 .s2-blocks>*,.s2 .s2-info-row>*{min-width:0}@media(max-width:900px){.stage1-showcase .hero-photo:before,.stage1-showcase .hero-photo .photo-label,.stage1-showcase .hero-photo .photo-board,.stage1-showcase .hero-photo .photo-bone,.stage1-showcase .hero-photo .photo-doodle{display:none!important}}@media(max-width:900px){.stage1-showcase .hero-arrow{display:none!important}}.s3{--s3-navy:#102e69;--s3-teal:#00a8b6;--s3-soft:#eafbff;--s3-line:#d9edf7;--s3-ink:#20436e;--s3-white:#fff;background:linear-gradient(180deg,#f2fbff,#fff 45%);color:var(--s3-navy);font-family:Montserrat,Nunito,Arial,sans-serif;isolation:isolate;padding:22px clamp(20px,4vw,74px) 78px;max-width:1720px;margin:auto;overflow:hidden}.s3 *{box-sizing:border-box}.s3 img{max-width:100%;display:block}.s3 svg{width:23px;height:23px;flex-shrink:0}.s3 a{text-decoration:none}.s3 .s3-crumb{display:flex;gap:9px;align-items:center;font-size:12px;color:#6484a9;margin:10px 0 19px}.s3-crumb a{color:#008dad;font-weight:800}.s3-crumb span:last-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}.s3-hero{background:linear-gradient(115deg,#fff,#f2fbff 60%,#e9f8fd);border:1px solid #e7f5fb;display:grid;grid-template-columns:1fr 1fr;min-height:425px;border-radius:24px;overflow:hidden;position:relative}.s3-hero:before{content:"";position:absolute;width:250px;height:250px;border-radius:50%;border:1px solid #d4f0fb;left:-150px;top:-105px;pointer-events:none}.s3-hero-copy{padding:53px 35px 43px 42px;position:relative;z-index:2}.s3 .s3-script{font-family:Caveat,Comic Sans MS,cursive;color:#078fca;font-size:20px;transform:rotate(-4deg);display:inline-block;margin-bottom:22px}.s3 .s3-eyebrow,.s3 .s3-overline{color:#029eaf;font-size:11px;font-weight:900;letter-spacing:2px;text-transform:uppercase}.s3-hero h1{font-size:clamp(40px,4.1vw,70px);letter-spacing:-2px;font-weight:900;margin:10px 0 8px;line-height:1.04;color:#102d6e}.s3-hero h2{color:#00a8b6;font-size:clamp(15px,1.45vw,21px);margin:10px 0 17px;font-weight:800}.s3-hero-copy>p{max-width:565px;color:#496887;line-height:1.68;font-size:15px;margin:0 0 21px}.s3-hero-photo{min-width:0;position:relative;overflow:hidden;border-radius:110px 0 0 75px}.s3-hero-photo img{height:100%;width:100%;object-fit:cover;object-position:center}.s3-float-atom{position:absolute;left:6%;top:7%;color:#00a7e4;filter:drop-shadow(0 1px 3px #fff);opacity:.9}.s3-float-atom svg{height:46px;width:46px}.s3-stat-row{display:flex;gap:21px;flex-wrap:wrap;font-size:12px;align-items:center;font-weight:650;margin:20px 0}.s3-stat-row span{display:inline-flex;gap:8px;align-items:center;color:#224b80}.s3-stat-row svg{color:#05a9dd;width:24px;height:24px}.s3-stat-row b{font-size:19px;color:#092b69}.s3 .s3-actions{display:flex;flex-wrap:wrap;gap:10px;margin:17px 0 0}.s3 .s3-button{display:inline-flex;gap:13px;align-items:center;justify-content:center;border-radius:999px;font-weight:800;font-size:13px;padding:13px 19px;min-height:44px;cursor:pointer;transition:transform .17s,box-shadow .17s;border:1px solid transparent;font-family:inherit}.s3-button:hover{transform:translateY(-2px)}.s3-button svg{width:17px;height:17px}.s3-button.primary{background:linear-gradient(105deg,#02a2b2,#0dc0c3);color:#fff;box-shadow:0 8px 18px #06b3c321}.s3-button.outline{border-color:#afd9ea;background:#fff;color:#17366d}.s3-button.light{background:#fff;color:#0a376f}.s3-block{margin:55px 0 0}.s3-section-heading{margin-bottom:19px}.s3-section-heading h2{font-size:clamp(22px,2.1vw,32px);letter-spacing:-.8px;margin:7px 0;color:#102e6d}.s3-features,.s3-guides{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.s3-feature{border:1px solid var(--s3-line);background:#fff;box-shadow:0 4px 14px #1b7bab0b;border-radius:15px;padding:20px 14px;display:flex;align-items:flex-start;gap:11px;min-height:127px;position:relative;transition:transform .2s,border-color .2s}.s3-feature:hover{transform:translateY(-3px);border-color:#8ad1e9}.s3-feature .s3-icon-bg{width:46px;height:46px;flex:0 0 46px;background:#e7faff;color:#03a8d8;border-radius:13px;display:grid;place-items:center}.s3-feature span:nth-child(2){min-width:0}.s3-feature b{display:block;font-size:13px;margin:6px 0 9px;color:#102f6b}.s3-feature small{font-size:11px;line-height:1.55;color:#6680a1;display:block}.s3-chevron{position:absolute;right:13px;bottom:9px;color:#00a9d0}.s3-guidance{border-radius:20px;padding:24px;background:linear-gradient(100deg,#eafaff,#f8fcff)}.s3-guidance .s3-feature:nth-child(1){background:#f2eafa}.s3-guidance .s3-feature:nth-child(2){background:#ebfaff}.s3-guidance .s3-feature:nth-child(3){background:#e9fbf5}.s3-guidance .s3-feature:nth-child(4){background:#fff2e9}.s3-resource-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}.s3-resource-head p{font-size:13px;color:#587393;max-width:700px;margin:0}.s3-resource-head a{color:#00a6b7;font-size:13px;font-weight:800;white-space:nowrap}.s3-projects{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:15px}.s3-project{border-radius:16px;overflow:hidden;background:#fff;border:1px solid #dcecf5;box-shadow:0 6px 25px #065b8c0a;transition:transform .17s,border-color .17s;min-width:0}.s3-project:hover{transform:translateY(-4px);border-color:#74cddb}.s3-project-image{height:145px;position:relative;background:#dff1f9}.s3-project-image img{width:100%;height:100%;object-fit:cover;object-position:center}.s3-project-image>span{position:absolute;left:10px;top:10px;width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#00a3b4;font-weight:900;font-size:12px}.s3-project-copy{padding:12px 13px 16px}.s3-project-tag,.s3-chip-label{display:inline-block;padding:5px 11px;font-size:10px;border-radius:999px;font-weight:800;background:#e8f5ff;color:#2265ad}.s3-project-copy b{display:block;font-size:13px;line-height:1.4;margin:9px 0 15px;min-height:36px}.s3-project-copy small{font-size:11px;font-weight:900;color:#03a7be}.s3-banner{margin:62px 0 0;border-radius:24px;background:linear-gradient(105deg,#133e75,#048ca4);color:#fff;padding:25px 35px;display:flex;align-items:center;justify-content:space-between;gap:20px}.s3-banner h2{font-size:23px;margin:4px 0}.s3-banner p{font-size:13px;opacity:.85}.s3-banner svg{width:29px;height:29px}.s3-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.s3-step{background:#fff;border:1px solid var(--s3-line);border-radius:18px;padding:21px;min-height:155px}.s3-step>span,.s3-task-num{display:inline-grid;place-items:center;width:37px;height:37px;background:#dff8fe;color:#00a9be;font-weight:900;border-radius:12px;margin-bottom:13px}.s3-step b{display:block;font-size:14px}.s3-step p{font-size:12px;color:#6580a0;line-height:1.6}.s3-project-controls{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin:0 0 14px}.s3-search{flex:1;min-width:220px;display:flex;align-items:center;gap:7px;border:1px solid #cde9f4;background:#fff;border-radius:25px;padding:9px 14px;color:#00a8be}.s3-search svg{width:17px;height:17px}.s3-search input{border:0;outline:0;min-width:0;width:100%;font-size:13px;background:transparent;color:#1b3c71}.s3-chips{display:flex;gap:7px;flex-wrap:wrap}.s3-chip{border:1px solid #d5e9f2;background:#fff;color:#174270;font-size:12px;font-weight:750;border-radius:999px;padding:10px 14px;cursor:pointer}.s3-chip.active{background:#01a8b8;color:#fff;border-color:#01a8b8}.s3-count{font-size:12px;color:#6080a0}.s3-pager{display:flex;justify-content:center;gap:8px;margin:20px 0}.s3-pager button{border:1px solid #cce6f2;border-radius:9px;background:#fff;color:#184271;font-weight:800;width:35px;height:35px;cursor:pointer}.s3-pager button.active{background:#01a7c3;color:#fff}.s3-empty{grid-column:1/-1;color:#5c7699}.s3-inside-hero{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin:17px 0 28px}.s3-inside-hero h1{font-size:clamp(30px,3.45vw,57px);line-height:1.12;letter-spacing:-1.5px;margin:15px 0;color:#102d6e}.s3-inside-hero p{font-size:14px;color:#547394;line-height:1.75;max-width:630px}.s3-inside-image{height:340px;background:#e7f6fa;border-radius:28px;overflow:hidden;box-shadow:0 12px 36px #1b3c6920}.s3-inside-image img{height:100%;width:100%;object-fit:cover}.s3-badges{display:flex;align-items:center;gap:8px}.s3-num{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;background:#00a7ba;color:#fff;font-weight:900}.s3-fact-row{display:flex;gap:8px;flex-wrap:wrap;margin:24px 0}.s3-fact-row>span{display:inline-flex;gap:7px;align-items:center;border:1px solid #d3eaf6;border-radius:13px;padding:11px 15px;background:#fff;font-size:12px}.s3-fact-row svg{color:#00aac2;width:20px;height:20px}.s3-columns{display:grid;grid-template-columns:245px minmax(0,1fr);gap:22px;align-items:start}.s3-side{position:sticky;top:18px;display:grid;gap:5px;border:1px solid #dbeefa;background:#fff;padding:12px;border-radius:16px}.s3-side a{display:flex;gap:10px;align-items:center;padding:12px 11px;border-radius:10px;color:#184778;font-weight:750;font-size:12px}.s3-side a:hover{background:#e7f9fb;color:#009db9}.s3-side svg{color:#00b0c7;width:19px;height:19px}.s3-lesson-content{min-width:0}.s3-panel{margin-bottom:16px;background:#fff;border:1px solid #dcecf7;border-radius:19px;padding:24px}.s3-panel h2{font-size:20px;display:flex;align-items:center;gap:10px;margin:0 0 16px}.s3-panel h2 span{font-size:12px;background:#04acba;color:#fff;border-radius:50%;width:31px;height:31px;display:grid;place-items:center}.s3-panel p{font-size:13px;line-height:1.82;color:#41678a}.s3-muted{color:#708ca5!important;font-size:12px!important}.s3-lesson-table{display:grid;grid-template-columns:.6fr 1.3fr 1fr;border:1px solid #d8e8f4;border-radius:11px;overflow:hidden}.s3-lesson-table>div{padding:13px 12px;font-size:12px;color:#3d6383;border-right:1px solid #e6f0f6;border-bottom:1px solid #e6f0f6}.s3-lesson-table>.heading{background:#e9faff;font-weight:900;color:#0d3c78}.s3-check-list{padding-left:21px;line-height:2;color:#41678a;font-size:13px}.s3-text-link{color:#02a5b7;font-weight:850;font-size:13px}.s3-adjacent{display:flex;justify-content:space-between;gap:10px;margin:19px 0;flex-wrap:wrap}.s3-adjacent a{font-weight:800;color:#087da6;font-size:12px;border:1px solid #d1ebf8;border-radius:13px;padding:13px;background:#fff}.s3-adjacent a.disabled{opacity:.4;pointer-events:none}.s3-task-list{display:grid;gap:9px}.s3-task{display:flex;gap:12px;align-items:center;border:1px solid #d8edf5;padding:12px;border-radius:13px;cursor:pointer}.s3-task input{accent-color:#00a7b8;width:18px;height:18px;flex-shrink:0}.s3-task-num{margin:0;flex-shrink:0}.s3-task b{display:block;font-size:13px}.s3-task small{display:block;font-size:11px;color:#6084a4;line-height:1.5;margin-top:5px}.s3-progress{display:flex;align-items:center;gap:14px;margin-top:17px}.s3-progress-bar{flex:1;background:#e0f4f8;height:9px;overflow:hidden;border-radius:20px}.s3-progress-bar span{display:block;height:100%;background:#05b4c3;transition:width .3s}.s3-progress strong{font-size:12px}.s3-reflection-label{display:block;font-size:13px;margin:14px 0 8px;font-weight:800}.s3 textarea{resize:vertical;display:block;width:100%;border:1px solid #d4ebf4;border-radius:12px;padding:12px;font-family:inherit;min-height:83px;outline-color:#00a8b8}.s3-simple-heading{padding:35px 0}.s3-simple-heading h1{font-size:clamp(35px,4vw,58px);margin:10px 0}.s3-simple-heading p{color:#5b7c9b}.s3-objectives{display:grid;gap:9px}.s3-objectives>a{display:flex;justify-content:space-between;align-items:center;gap:14px;border:1px solid #d6ebf5;background:#fff;padding:19px;border-radius:12px}.s3-objectives strong{width:30%;font-size:13px}.s3-objectives span{flex:1;font-size:12px;color:#577594;line-height:1.6}.s3-objectives svg{color:#02a2c3}@media(max-width:1150px){.s3-features,.s3-guides{grid-template-columns:repeat(2,minmax(0,1fr))}.s3-projects{grid-template-columns:repeat(4,minmax(0,1fr))}.s3-hero-copy{padding:40px 26px}.s3-hero{min-height:350px}.s3-hero h1{font-size:48px}.s3-inside-image{height:300px}}@media(max-width:770px){.s3{padding:15px 17px 52px}.s3-hero{display:flex;flex-direction:column-reverse;min-height:0}.s3-hero-photo{height:230px;border-radius:0 0 45px 45px}.s3-hero-copy{padding:25px 24px 31px}.s3-hero h1{font-size:41px}.s3-hero h2{font-size:17px}.s3-stat-row{gap:10px}.s3-block{margin-top:33px}.s3-features,.s3-guides{grid-template-columns:1fr 1fr}.s3-projects{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.s3-project-image{height:130px}.s3-steps{grid-template-columns:1fr 1fr}.s3-inside-hero{grid-template-columns:1fr;gap:17px}.s3-inside-image{order:-1;height:240px}.s3-columns{grid-template-columns:1fr}.s3-side{position:static;display:flex;overflow-x:auto;white-space:nowrap}.s3-side a{flex-shrink:0}.s3-banner{padding:20px}.s3-lesson-table{grid-template-columns:.7fr 1.15fr 1fr}.s3-lesson-table>div{padding:10px 6px;font-size:10px}}@media(max-width:460px){.s3{padding-left:12px;padding-right:12px}.s3-hero-photo{height:208px}.s3-hero h1{font-size:38px}.s3-hero-copy{padding:22px 19px 27px}.s3-script{font-size:17px!important}.s3-features,.s3-guides{grid-template-columns:1fr}.s3-feature{min-height:90px}.s3-steps{grid-template-columns:1fr 1fr;gap:9px}.s3-step{padding:14px;min-height:150px}.s3-project-image{height:106px}.s3-project-copy b{font-size:12px}.s3 .s3-hero-photo img{object-position:center}.s3-block .s3-section-heading h2{font-size:23px}.s3-banner{flex-direction:column;align-items:flex-start;gap:11px}.s3-banner h2{font-size:20px}.s3-fact-row>span{padding:9px 11px}.s3-panel{padding:17px}.s3-panel h2{font-size:17px}.s3-inside-hero h1{font-size:34px}.s3-lesson-table>div{font-size:9px;word-break:break-word}.s3-adjacent a{font-size:11px}.s3-objectives>a{align-items:flex-start;flex-direction:column}.s3-objectives strong{width:auto}}@media print{header,footer,.s3-side,.s3-adjacent,.s3-actions,#s3-student-pager{display:none!important}.s3{padding:0;background:#fff}.s3-columns{display:block}.s3-panel{break-inside:avoid}.s3-inside-hero{grid-template-columns:1fr 1fr}}.s3-photo-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.s3-photo-gallery>a{min-width:0;overflow:hidden;border:1px solid #dbeef7;background:#fff;border-radius:17px;color:#183d72;font-size:13px}.s3-photo-gallery img{width:100%;height:165px;object-fit:cover}.s3-photo-gallery b{display:block;padding:13px}.s3-student-highlight{display:grid;grid-template-columns:290px 1fr;gap:26px;margin-top:38px;border:1px solid #d6edf6;border-radius:20px;background:linear-gradient(100deg,#edfbff,#fff);overflow:hidden;align-items:center}.s3-student-highlight img{height:205px;width:100%;object-fit:cover}.s3-student-highlight h2{margin:7px 0;color:#102e6b;font-size:25px}.s3-student-highlight p{font-size:13px;color:#527697}.s3-student-highlight a{font-weight:800;color:#00a6ba;font-size:13px}@media(max-width:770px){.s3-photo-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.s3-student-highlight{grid-template-columns:1fr;gap:0}.s3-student-highlight img{height:175px}.s3-student-highlight>div{padding:20px}}@media(max-width:460px){.s3-photo-gallery img{height:117px}.s3-photo-gallery b{font-size:12px}}.s3-hero-copy .s3-script{display:block;margin-bottom:10px}.s3-hero-copy .s3-eyebrow{display:block}.s3-hero .s3-hero-copy .s3-script{position:relative;top:-30px;margin-bottom:10px}
