@charset "UTF-8";
:root{--ink:#172f32;--muted:#586a6c;--teal:#156c60;--deep:#123f3b;--line:#dce5e0;--paper:#fbfcf9;--mint:#e9f1e9;--gold:#efe5bc;color-scheme:light;font-family:Arial,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid 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var(--line)}.header-inner{display:flex;align-items:center;gap:30px;min-height:96px}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}.brand img{width:45px;height:45px;border-radius:13px}.brand b{display:block;font-size:21px;letter-spacing:-.06em}.brand small{display:block;font-size:8px;letter-spacing:1.1px;margin-top:6px}nav{display:flex;gap:25px;margin-left:auto;font-size:14px;font-weight:600}nav a{padding:14px 0;border-bottom:2px solid transparent}nav a:hover,nav a[aria-current]{color:var(--teal);border-color:var(--teal)}.join{padding:11px 17px;border:1px solid var(--line);border-radius:6px;white-space:nowrap;font-size:13px}.menu-toggle{display:none}.eyebrow{font-size:11px;letter-spacing:1.6px;color:var(--teal);font-weight:700;display:block;margin-bottom:18px}.eyebrow i{display:inline-block;width:7px;height:7px;background:var(--teal);border-radius:50%;margin-right:6px}.hero{background:linear-gradient(115deg,#f1f5e9 0,#edf3e9 55%,#e4eee6 100%);padding:72px 0 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#b8c9bb;border-radius:50%;display:grid;place-items:center;font-weight:bold;color:var(--teal)}.hero-visual{position:relative;padding:16px 0 16px 5px}.hero-photo{height:355px;border-radius:110px 8px 8px 8px;overflow:hidden;position:relative;background:#cddaca}.hero-photo>img{width:100%;height:100%;object-fit:cover;object-position:50% 27%}.hero-photo:after{content:'';position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(12,39,35,.92))}.photo-caption{position:absolute;bottom:23px;left:26px;color:white;z-index:1;font-weight:600;font-size:20px}.photo-caption small{display:block;font-size:11px;font-weight:400;margin-top:9px;letter-spacing:.04em}.visual-label{position:absolute;top:-7px;right:-10px;background:#f9f9e9;border:1px solid #d9e3d3;box-shadow:0 8px 30px #16302c0d;border-radius:7px;padding:14px 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i{font-style:normal;margin-left:auto;font-size:20px;color:var(--teal)}.quick-icon{display:grid;place-items:center;width:49px;height:49px;background:#e0eee6;border-radius:50%;font-size:26px;color:#285e51;flex-shrink:0}.gold{background:#f3ebcf;color:#7e6022}.lilac{background:#e9e7f0;color:#62557e}.section{padding-top:66px;padding-bottom:70px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section-head .eyebrow{margin-bottom:13px}.section-head h2{margin-bottom:10px}.section-head p{color:var(--muted);font-size:14px;margin-bottom:0}.text-link{font-weight:600;font-size:13px;line-height:1.7;display:inline-block}.text-link:hover,.card-title:hover{text-decoration:underline;text-underline-offset:5px}.section-head>.text-link{white-space:nowrap;color:var(--teal)}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:19px}.tool-card{background:white;border:1px solid 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h2{font-size:25px;margin-top:30px}.breadcrumb{display:inline-block;color:var(--teal);font-size:13px;margin-bottom:35px}.detail-summary{display:flex;gap:12px;flex-wrap:wrap;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}.detail-summary span+span{border-left:1px solid var(--line);padding-left:12px}.steps{padding-left:24px}.steps li{padding:10px 0 10px 8px;border-bottom:1px solid var(--line);font-size:15px}.muted{font-size:13px;color:var(--muted)}.narrow>.muted{margin-top:15px}.article-photo{margin:0 0 30px}.article-photo img{width:100%;border-radius:8px}.article-photo figcaption{font-size:11px;color:var(--muted);margin-top:10px}.article-intro{font-size:19px;font-weight:600}.about-grid{display:grid;grid-template-columns:340px 1fr;gap:75px;align-items:center;margin:45px 0 65px}.about-logo{padding:25px;background:#e5ece1;border-radius:10px}.about-logo img{border-radius:18px}.about-grid p{color:var(--muted);font-size:15px}.values{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:35px 0;margin-bottom:55px}.values span{font-size:11px;letter-spacing:1px;color:var(--teal)}.values h3{margin:18px 0 10px}.values p{font-size:14px;color:var(--muted);margin-bottom:0}.contact-links{display:flex;flex-wrap:wrap;gap:15px;margin-top:25px}.lesson-card{display:flex;align-items:center;gap:30px;border-top:1px solid var(--line);padding:34px 0}.lesson-number{font-size:50px;font-family:Georgia,serif;color:#6f8c78}.lesson-card>div{flex:1}.lesson-card .eyebrow{margin-bottom:8px}.lesson-card h2{font-size:25px;margin-bottom:10px}.lesson-card p{font-size:14px;color:var(--muted);margin-bottom:10px}.lesson-card>.text-link{color:var(--teal)}.editorial-note{background:#edf2e8;border:1px solid var(--line);padding:30px;border-radius:8px}.editorial-note h2{margin-top:24px}.editorial-note p{color:var(--muted);margin-bottom:0}
@media(min-width:1600px){.hero{padding:92px 0}.hero-photo{height:390px}}
@media(max-width:1100px){.header-inner{gap:20px}nav{gap:17px;font-size:12px}.brand b{font-size:19px}.brand small{font-size:7px}.join{display:none}.hero-grid{gap:30px}.hero h1{font-size:40px}.hero-photo{height:330px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-art{height:190px}.tool-art>div:not(.number-grid){max-width:200px}.number-grid{max-width:280px;margin:15px auto}.tool-art.blocks{padding-left:calc(50% - 100px)}.tool-controls{align-items:stretch;flex-direction:column}.search{max-width:420px}.join-banner{margin-left:32px;margin-right:32px}.footer-links{gap:15px}.hero-actions{gap:9px}.hero-actions .button{font-size:12px;padding:12px 15px;gap:9px}.activity-image{height:190px}.activity-card .card-body h3{font-size:17px}.quick-links>a{padding:16px;gap:10px}.quick-links small{font-size:10px}.quick-links b{font-size:13px}}
@media(max-width:760px){.container{padding-left:22px;padding-right:22px}.preview{padding:8px 22px;font-size:10px}.preview span:last-child{display:none}.header-inner{min-height:79px;flex-wrap:wrap;gap:0;position:relative}.brand img{width:39px;height:39px}.brand b{font-size:19px}.menu-toggle{display:flex;margin-left:auto;gap:10px;border:1px solid var(--line);background:white;padding:11px 13px;border-radius:6px;min-height:44px;font-size:12px;color:var(--ink)}nav{display:none;width:100%;padding:15px 0;margin:0;border-top:1px solid var(--line);gap:0;flex-direction:column;font-size:14px}nav.is-open{display:flex}nav a{padding:13px 5px}.hero{padding:39px 0 38px}.hero-grid{grid-template-columns:1fr;gap:32px}.hero .eyebrow{font-size:9px;letter-spacing:1.2px}.hero h1{font-size:clamp(30px,7vw,44px);margin-bottom:20px}.hero-copy>p{font-size:14px}.hero-actions{margin-top:23px}.hero-actions .button{font-size:12px}.hero-note{display:none}.hero-visual{padding:12px 4px}.hero-photo{height:300px;border-radius:70px 8px 8px 8px}.visual-label{right:0;font-size:11px;padding:11px 15px}.photo-caption{font-size:18px}.quick-links{grid-template-columns:1fr;margin-top:10px}.quick-links>a,.quick-links>a:first-child{padding:18px 0;border-right:0;border-bottom:1px solid var(--line)}.quick-links>a:last-child{border-bottom:0}.quick-links b{font-size:15px}.quick-links small{font-size:12px}.quick-links i{margin-right:5px}.section{padding-top:43px;padding-bottom:43px}.section-head{align-items:start;flex-direction:column;gap:15px;margin-bottom:25px}h2{font-size:26px}.section-head p{font-size:13px}.section-head>.text-link{font-size:12px}.tool-grid{gap:13px}.card-body{padding:16px}.card-body h3{font-size:17px}.card-body p{font-size:12px}.tool-art{height:157px;padding:37px 12px 10px}.art-label{left:13px;font-size:8px;letter-spacing:.6px}.block-shape{width:125px;font-size:9px;padding:9px 10px}.block-shape.second{width:120px;margin-left:18px}.block-shape.third{width:105px;margin-left:18px}.tool-art.blocks{padding-left:calc(50% - 74px)}.tablet-frame{width:145px;height:97px;border-width:4px;padding:8px}.tablet-blocks{padding:6px}.tablet-blocks i{width:65px;height:16px}.tablet-blocks i:nth-child(2),.tablet-blocks i:nth-child(3){width:55px}.number-grid{gap:4px;margin-top:12px}.number-grid>*{height:29px;font-size:12px}.triangle svg{height:105px}.card-foot{align-items:start;gap:8px;flex-direction:column}.card-meta{font-size:10px}.activity-grid{grid-template-columns:1fr}.activity-image{height:250px}.activity-card .card-body h3{font-size:20px}.activity-card .card-body p{min-height:0;font-size:14px}.split-section{grid-template-columns:1fr;gap:20px}.resource-feature,.news-feature{padding:28px}.split-section h2{font-size:25px}.join-banner{margin:0 22px 45px;padding:29px;align-items:start;flex-direction:column}.join-banner h2{font-size:25px}.footer-top{flex-direction:column;padding-top:30px;padding-bottom:25px;gap:23px}.footer-links{flex-wrap:wrap;gap:12px 20px}.footer-bottom{flex-direction:column;gap:12px}.page-heading h1{font-size:34px}.page-heading p{font-size:14px}.page-heading{margin-bottom:30px}.filters{gap:6px}.filters button{font-size:12px;padding:10px 14px}.search{max-width:none;min-width:0}.about-grid{grid-template-columns:1fr;gap:30px;margin:25px 0 40px}.about-logo{max-width:240px;margin:auto}.values{grid-template-columns:1fr;gap:22px;padding:28px 0}.lesson-card{gap:17px;flex-wrap:wrap}.lesson-number{font-size:35px;align-self:start}.lesson-card>div{min-width:200px}.lesson-card>.text-link{margin-left:57px}.lesson-card h2{font-size:22px}.narrow h2{font-size:23px}.narrow p,.narrow li{font-size:14px}}
@media(max-width:370px){.tool-grid{grid-template-columns:1fr}.card-foot{flex-direction:row}.tool-art{height:175px}.hero-actions{flex-direction:column}.hero-actions .button{width:100%}.hero h1{font-size:29px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.preview,.header,footer,.breadcrumb,.contact-links,.skip{display:none!important}body{background:white;color:black}.section{padding:0}.container{max-width:none}.page-heading h1{font-size:28px}.steps li{break-inside:avoid}.eyebrow{color:black}.detail-summary{margin-bottom:20px}}