@charset "UTF-8";
:root{--navy:#082b46;--green:#426f22;--cream:#f8f6ed;--sage:#dfe8d5;--blue:#cadfe8;--ink:#13364e;--muted:#5c6e72;--line:#dce0d2;--white:#fffef9;font-family:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--ink);background:var(--cream);font-synthesis:none;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}h1,h2,h3,p{margin:0}[hidden]{display:none!important}svg{display:block}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #6b8dba;outline-offset:5px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;top:-100px;left:20px;background:var(--navy);color:white;padding:16px;z-index:100}.skip-link:focus{top:16px}.shell{width:calc(100% - 104px);max-width:1480px;margin-inline:auto}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:760;color:var(--green);line-height:1.5}
.site-header{background:rgba(248,246,237,.95);border-bottom:1px solid var(--line)}.header-inner{min-height:118px;display:flex;align-items:center;justify-content:space-between;gap:32px}.brand{display:flex;align-items:center;gap:19px;flex-shrink:0}.brand img{width:92px;height:92px;object-fit:contain}.brand-copy{display:flex;flex-direction:column;gap:6px}.brand-name{font-weight:760;font-size:25px;letter-spacing:-.9px;color:var(--navy)}.brand-name strong{color:var(--green)}.brand-motto{text-transform:uppercase;font-size:9px;font-weight:650;letter-spacing:.21em}.header-nav{display:flex;align-items:center;gap:27px;font-size:13px;font-weight:650}.header-nav>a:not(.button){min-height:44px;display:flex;align-items:center;gap:9px}.header-nav>a:not(.button):hover{color:var(--green);text-decoration:underline;text-underline-offset:5px}.youtube-icon{width:25px;height:18px;flex-shrink:0}
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.course{background:var(--navy);color:#fffdf6;position:relative;overflow:hidden}.course-inner{display:grid;grid-template-columns:1fr 1.12fr;gap:40px;min-height:418px;align-items:center}.course-copy{padding:43px 0 46px}.course .eyebrow{color:#c5d987}.course h2{font-size:41px;line-height:1.13;letter-spacing:-1.4px;margin:10px 0 16px;font-weight:720}.course-description{font-size:16px;line-height:1.6;max-width:480px;color:#e1e9ed}.course-features{display:flex;list-style:none;padding:0;margin:25px 0;gap:20px}.course-features li{display:flex;align-items:center;gap:10px;line-height:1.5;font-size:11px}.course-features li+li{border-left:1px solid #ffffff30;padding-left:20px}.course-features svg{width:31px;height:31px;flex-shrink:0;fill:none;stroke:#dae8ed;stroke-width:1.5;stroke-linejoin:round}.course-cta{background:#477821;border-color:#98b05e;gap:9px;font-size:13px}.course-cta img{width:52px;height:18px;object-fit:contain;background:white;padding:3px;border-radius:3px}.course-cta>span[aria-hidden]{margin-left:10px}.course-materials{min-width:0;min-height:395px;position:relative;display:flex;align-items:center;justify-content:center;padding:25px 0 45px;gap:0;isolation:isolate}.course-materials:before{content:"";position:absolute;background:#31575b;border-radius:50%;inset:12% 4%;filter:blur(60px);opacity:.45;z-index:-1}.workbook{background:#faf8ec;border:1px solid #e2dfcb;border-radius:2px 5px 5px 2px;width:195px;flex:0 1 195px;height:282px;position:relative;box-shadow:8px 13px 20px #00152370;color:var(--navy);text-align:center;padding:10px 10px 0;display:flex;flex-direction:column;align-items:center;overflow:hidden}.workbook-three{transform:rotate(-7deg) translateY(1px);z-index:2}.workbook-four{transform:rotate(3deg) translate(-13px,-17px);z-index:1}.book-spine{position:absolute;inset:0 auto 0 0;width:7px;background:#b7c5a3;box-shadow:3px 0 4px #082b4610}.book-logo{width:58px;height:58px;object-fit:contain;margin-bottom:1px}.book-unit{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.1em}.workbook h3{font-size:16px;line-height:1.15;letter-spacing:-.5px;margin:5px 0;position:relative;z-index:1}.book-art{width:calc(100% + 20px);max-width:none;flex:1;min-height:0;object-fit:cover}.book-bottom{width:calc(100% + 20px);background:var(--green);color:white;font-weight:650;font-size:7px;letter-spacing:.04em;padding:9px 4px;z-index:1}.book-bottom span{display:block;margin-top:5px;font-weight:400;font-size:8px}.workbook-four .book-bottom{background:#113b59}.lesson-preview{flex:0 1 200px;min-width:135px;position:relative;align-self:center;transform:translate(-22px,28px);border:5px solid #142029;border-radius:9px;box-shadow:0 13px 22px #00152380;z-index:3;background:#10283a;overflow:hidden}.lesson-preview>img{width:100%;aspect-ratio:1;object-fit:cover;object-position:center 29%}.lesson-play{position:absolute;left:50%;top:36%;transform:translate(-50%,-50%);display:grid;place-items:center;width:41px;height:41px;border-radius:50%;border:2px solid white;color:white;background:#082b4666;padding-left:3px;font-size:16px}.lesson-preview:hover .lesson-play{background:#426f22d9}.lesson-caption{padding:9px 10px 11px;display:block;font-size:11px;line-height:1.5;font-weight:650;position:relative}.lesson-caption small{display:block;font-size:8px;letter-spacing:.1em;color:#b3c7d4;font-weight:500}.lesson-caption>span{position:absolute;right:11px;bottom:11px}.materials-caption{position:absolute;bottom:17px;left:0;right:0;text-align:center;font-size:10px;color:#c4d4dc;letter-spacing:.04em}
.teacher{padding-block:30px;display:flex;align-items:center;gap:35px;min-height:251px}.teacher-portrait{width:206px;flex-shrink:0;align-self:stretch}.teacher-portrait img{width:100%;height:100%;max-height:210px;object-fit:cover;object-position:50% 33%;border-radius:10px}.teacher-copy{flex:1}.teacher h2{font-size:35px;line-height:1.2;letter-spacing:-1.2px;color:var(--navy);margin:5px 0 10px}.teacher p:not(.eyebrow){font-size:15px;line-height:1.6;margin-bottom:18px;max-width:620px}.teacher .button{min-height:43px;padding:10px 16px;font-size:12px;gap:11px}.teacher-wordmark{font-size:24px;font-weight:650;line-height:1.4;letter-spacing:-.8px;color:#829781;transform:rotate(-5deg);padding-right:20px}.teacher-wordmark strong{color:var(--green)}.footer{border-top:1px solid var(--line);padding-top:17px;padding-bottom:25px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-brand img{width:64px;height:64px}.footer-brand{gap:15px}.footer-brand .brand-name{font-size:20px}.footer-brand .brand-motto{font-size:7px;letter-spacing:.17em}.footer nav{display:flex;gap:25px;font-size:12px}.footer nav a:hover{text-decoration:underline;text-underline-offset:4px}.footer-legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:5px 20px;font-size:10px;line-height:1.6;color:#6a7a7a;margin-top:8px}.footer-legal p:nth-last-child(-n+2){width:100%;text-align:right}.preview-badge{margin-right:auto;font-size:9px;letter-spacing:.06em;background:#eaf0e2;border:1px solid #d4dfc9;border-radius:20px;color:#46603b;padding:3px 9px}
dialog{border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:14px;padding:28px;max-width:540px;width:calc(100% - 32px);box-shadow:0 30px 80px #001b3940}dialog::backdrop{background:#06223688;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.dialog-heading button{border:0;background:#eaf0e3;width:40px;height:40px;border-radius:50%;font-size:26px;color:var(--navy)}dialog h2{font-size:29px;line-height:1.2;letter-spacing:-.8px;max-width:380px}.guide-steps{list-style:none;counter-reset:steps;padding:0;display:grid;gap:17px;margin:25px 0}.guide-steps li{counter-increment:steps;display:grid;grid-template-columns:30px 1fr;column-gap:12px;font-size:14px;line-height:1.5}.guide-steps li:before{content:counter(steps);grid-row:span 2;background:#e5ecd9;border-radius:50%;width:29px;height:29px;display:grid;place-items:center;color:var(--green);font-weight:700}.guide-steps strong{color:var(--navy)}.guide-steps span{grid-column:2;color:#536a73}.guide-foot{font-size:12px;line-height:1.6;background:#edf2e8;border-radius:7px;padding:13px;margin-bottom:23px}
@media(min-width:1650px){.hero{min-height:535px}.hero-art{margin-right:-30px}.hero h1{font-size:67px}.catalog-controls{gap:24px}.unit-filters button{font-size:13px}.lab-info h3{font-size:25px}.lab-description{font-size:15px}.course-inner{min-height:465px}.workbook{width:220px;flex-basis:220px;height:315px}.lesson-preview{flex-basis:220px}.course h2{font-size:46px}}
@media(max-width:1250px){.shell{width:calc(100% - 64px)}.header-nav{gap:18px;font-size:12px}.brand-name{font-size:22px}.brand{gap:12px}.brand img{width:80px;height:80px}.header-inner{min-height:104px;gap:20px}.header-cta{font-size:11px;padding-inline:12px}.hero{min-height:440px}.hero h1{font-size:clamp(38px,4.1vw,52px);letter-spacing:-2px}.hero-description{font-size:18px}.hero-art{margin-right:-20px}.catalog{padding-inline:25px}.catalog-controls{flex-wrap:wrap;gap:12px}.search-box{flex:1 1 100%;max-width:none}.unit-filters{width:100%}.unit-filters button{flex:1}.lab-grid{gap:18px}.lab-info{padding:15px 17px 18px}.lab-info h3{font-size:20px}.lab-description{font-size:13px}.learning-method{gap:12px}.learning-method strong{font-size:14px;letter-spacing:.05em}.catalog-bottom>.text-button{font-size:12px}.course-inner{gap:20px;grid-template-columns:1fr 1fr}.course h2{font-size:35px}.course-description{font-size:14px}.course-features{gap:12px}.course-features li{gap:8px;font-size:10px}.course-features li+li{padding-left:12px}.course-features svg{width:27px}.workbook{width:170px;flex-basis:170px;height:255px;padding-top:10px}.workbook h3{font-size:14px}.book-logo{width:50px;height:50px}.lesson-preview{flex-basis:150px;min-width:110px;transform:translate(-15px,38px)}.lesson-caption{font-size:9px;padding:8px}.lesson-caption small{font-size:7px}.materials-caption{font-size:9px}.teacher{gap:27px}.teacher-portrait{width:180px}.teacher-wordmark{font-size:21px;padding-right:0}.teacher p:not(.eyebrow){font-size:14px}}
@media(max-width:980px){.header-nav>a.video-nav,.header-nav>a[href="#course"]{display:none}.hero h1{font-size:42px;letter-spacing:-1.8px}.hero-description{font-size:16px;line-height:1.6}.hero .button{font-size:12px;padding:11px 15px;min-height:44px;gap:11px}.hero .button-row{gap:11px}.hero-note{font-size:10px;letter-spacing:.02em;gap:7px}.hero{min-height:400px}.hero-copy{padding-block:42px}.hero-art img{width:125%}.section-heading h2{font-size:29px}.section-heading>.text-button{font-size:12px}.unit-filters button{font-size:11px;padding-inline:10px}.lab-info h3{font-size:18px}.lab-description{font-size:12px}.card-topic{font-size:10px}.catalog-bottom{align-items:flex-start}.learning-method{flex-direction:column;align-items:flex-start;gap:0}.learning-method .text-button{min-height:30px}.course-inner{grid-template-columns:1fr;gap:0}.course-copy{padding:37px 0 20px;text-align:center}.course h2{font-size:38px}.course h2 br{display:none}.course-description{max-width:560px;margin-inline:auto;font-size:15px}.course-features{justify-content:center}.course-features li{font-size:12px}.course-features svg{width:31px}.course-materials{min-height:345px;max-width:640px;width:100%;margin:auto;padding-bottom:40px}.workbook{flex-basis:190px;height:270px}.workbook h3{font-size:16px}.book-logo{width:58px;height:58px}.lesson-preview{flex-basis:185px;transform:translate(-12px,12px)}.lesson-caption{font-size:11px;padding:9px 12px}.lesson-caption small{font-size:8px}.teacher-wordmark{display:none}.teacher h2{font-size:32px}.teacher{min-height:230px}.footer-legal{font-size:9px}.footer-brand .brand-name{font-size:18px}}
@media(max-width:700px){.shell{width:calc(100% - 36px)}.header-inner{min-height:91px;gap:12px}.brand img{width:64px;height:64px}.brand-name{font-size:19px;letter-spacing:-.65px}.brand-copy{gap:4px}.brand-motto{font-size:6.5px;letter-spacing:.14em}.brand{gap:9px}.header-nav{gap:0}.header-nav>a[href="#labs"]{display:none}.header-cta{font-size:10px;min-height:38px;padding:8px 10px;gap:7px}.hero{grid-template-columns:1fr;padding-top:30px;min-height:auto;text-align:center}.hero-copy{padding:0;display:flex;flex-direction:column;align-items:center}.eyebrow{font-size:10px;letter-spacing:.13em}.hero h1{font-size:clamp(36px,7.1vw,48px);line-height:1.09;letter-spacing:-1.8px;margin:12px 0 15px}.hero-description{font-size:16px;max-width:440px;margin-bottom:22px}.hero .button{font-size:13px;padding:12px 18px}.hero .button-row{gap:12px}.hero-note{font-size:10px;margin-top:18px;gap:8px}.hero-art{margin:5px auto -3px;width:100%;height:235px;max-width:470px;min-height:0;align-self:auto}.hero-art img{width:100%;height:100%;object-fit:contain;z-index:1}.hero-art:before{filter:blur(45px)}.catalog{border-radius:12px;padding:22px 19px 0;margin-bottom:28px}.section-heading{gap:12px;align-items:flex-start}.section-heading h2{font-size:28px;max-width:290px;letter-spacing:-1px}.section-heading .eyebrow{font-size:9px}.section-heading>.text-button{font-size:11px;gap:6px;min-width:83px;margin-top:17px}.catalog-controls{margin-top:18px;gap:11px}.search-box{min-width:0}.search-box input{font-size:12px;padding-block:13px}.unit-filters{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.unit-filters button{padding:9px 7px;min-height:40px;font-size:11px}.unit-filters button span{display:none}.results-row{margin-block:5px 8px;min-height:31px}.results-row p{font-size:10px}.lab-grid{grid-template-columns:1fr;gap:18px}.lab-art{aspect-ratio:1.95}.lab-info{padding:18px 20px 20px}.lab-info h3{font-size:23px;line-height:1.2}.lab-description{font-size:14px;line-height:1.55;margin-bottom:18px}.card-unit{font-size:11px}.card-topic{font-size:11px;margin-bottom:16px}.lab-link{font-size:13px;min-height:42px;padding-inline:18px}.catalog-bottom{flex-direction:column;align-items:center;gap:7px;padding:18px 0 21px;margin-top:5px}.learning-method{align-items:center;gap:1px}.learning-method strong{font-size:15px;letter-spacing:.1em}.learning-method .text-button{font-size:11px}.catalog-bottom>.text-button{font-size:12px;min-height:38px}.course h2{font-size:33px;line-height:1.15;letter-spacing:-1px;max-width:420px;margin-inline:auto;margin-bottom:15px}.course-copy{padding-top:30px}.course-description{font-size:14px;line-height:1.65;max-width:450px}.course-features{gap:10px;margin:22px 0;justify-content:center}.course-features li{flex-direction:column;gap:10px;font-size:10px;flex:1}.course-features li+li{padding-left:10px}.course-features svg{width:27px;height:27px}.course-cta{font-size:12px;padding-inline:15px;gap:8px;max-width:100%}.course-cta img{width:46px}.course-materials{max-width:470px;min-height:300px;padding-top:25px}.workbook{flex-basis:155px;height:232px;padding:8px 8px 0}.workbook h3{font-size:13px;letter-spacing:-.3px;margin-block:4px}.book-logo{width:45px;height:45px}.book-unit{font-size:9px}.book-bottom{font-size:6px;padding:8px 4px}.book-bottom span{font-size:7px;margin-top:3px}.workbook-four{transform:rotate(3deg) translate(-8px,-12px)}.lesson-preview{min-width:92px;flex-basis:145px;border-width:3px;transform:translate(-12px,20px)}.lesson-caption{font-size:9px;padding:8px}.lesson-caption small{font-size:6px}.lesson-caption>span{right:6px;bottom:8px}.lesson-play{width:32px;height:32px;font-size:11px}.materials-caption{bottom:13px;font-size:9px}.teacher{padding-block:28px;gap:18px;align-items:flex-start;flex-wrap:wrap}.teacher-portrait{width:105px;align-self:flex-start}.teacher-portrait img{height:125px;object-position:center 30%}.teacher-copy{flex:1;min-width:0}.teacher h2{font-size:28px;margin:6px 0 10px}.teacher p:not(.eyebrow){font-size:13px;margin-bottom:17px}.teacher .button-row{gap:9px}.teacher .button{font-size:11px;min-height:42px;padding:9px 12px;gap:9px}.teacher .youtube-icon{width:21px}.footer{padding-top:14px}.footer-top{flex-direction:column;gap:15px;align-items:flex-start}.footer-brand img{width:57px;height:57px}.footer-brand .brand-name{font-size:20px}.footer-brand .brand-motto{font-size:7px}.footer nav{font-size:11px;gap:25px;width:100%;justify-content:center;padding:9px 0;border-block:1px solid #dce0d277}.footer-legal{justify-content:center;text-align:center;gap:8px;margin-top:17px;font-size:9px}.footer-legal p:nth-last-child(-n+2){text-align:center}.preview-badge{margin:0}.footer-legal p{width:100%}dialog{padding:22px}.guide-steps{gap:14px}.guide-steps li{font-size:13px}}
@media(max-width:420px){.shell{width:calc(100% - 28px)}.header-inner{min-height:79px}.brand img{width:55px;height:55px}.brand-name{font-size:16px;letter-spacing:-.55px}.brand-motto{font-size:5.6px;letter-spacing:.1em}.header-cta{font-size:0;gap:0;width:37px;min-height:37px;padding:8px}.header-cta>span[aria-hidden]{font-size:18px}.hero{padding-top:27px}.hero h1{font-size:36px;letter-spacing:-1.6px}.hero-description{font-size:14px;max-width:330px}.hero .button{padding:10px 14px;min-height:45px;font-size:12px;gap:8px}.hero .button-row{gap:10px}.hero-note{font-size:9px;gap:5px;letter-spacing:0}.hero-art{height:205px;margin-top:8px}.catalog{padding:19px 14px 0}.section-heading h2{font-size:25px}.section-heading>.text-button{font-size:10px;min-width:73px}.section-heading .eyebrow{font-size:8px}.unit-filters button{font-size:10px}.lab-info{padding:15px 17px 18px}.lab-info h3{font-size:22px}.lab-description{font-size:13px}.course h2{font-size:30px;max-width:330px}.course-description{font-size:13px}.course-cta{font-size:11px;gap:7px;padding-inline:12px}.course-cta img{width:40px}.course-materials{min-height:255px;padding-top:16px;padding-bottom:33px}.workbook{height:196px;flex-basis:131px;padding:7px 6px 0}.book-logo{width:37px;height:37px}.workbook h3{font-size:11px;letter-spacing:-.2px}.book-unit{font-size:8px}.book-bottom{font-size:5px;padding:7px 3px}.book-bottom span{font-size:6px}.lesson-preview{min-width:79px;flex-basis:113px;transform:translate(-9px,20px)}.lesson-caption{font-size:8px;padding:7px 6px}.lesson-caption small{font-size:5px}.lesson-caption>span{display:none}.lesson-play{width:28px;height:28px;font-size:10px}.materials-caption{font-size:8px}.teacher{gap:15px}.teacher-portrait{width:87px}.teacher-portrait img{height:113px}.teacher h2{font-size:25px}.teacher .eyebrow{font-size:9px}.teacher p:not(.eyebrow){font-size:12px}.teacher .button-row{flex-direction:column;align-items:flex-start}.teacher .button{font-size:10px;gap:7px;padding-inline:10px}.teacher .youtube-icon{width:18px}.footer-brand .brand-name{font-size:19px}}
@media(max-width:360px){.hero h1{font-size:31px;letter-spacing:-1.5px}.hero .button-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%}.hero .button{font-size:11px;padding:10px 9px;gap:7px}.hero .play-disc{width:21px;height:21px}.hero-description{font-size:13px}.hero-note{font-size:8.5px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}.button:hover,.lab-card:hover{transform:none}}