@font-face{font-family:Nimbus;src:url('assets/fonts/NimbusSans-Regular.otf') format('opentype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:Nimbus;src:url('assets/fonts/NimbusSans-Bold.otf') format('opentype');font-style:normal;font-weight:700;font-display:swap}
:root{--ink:#102d23;--green:#0d8039;--brand:#169e48;--lime:#c5f582;--paper:#fbfcf8;--soft:#f0f4eb;--muted:#56665a;--line:#dce4d9;--white:#fff;--radius:18px;--content:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:105px}
body{margin:0;background:var(--paper);font-family:Nimbus,Arial,Helvetica,sans-serif;color:var(--ink);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
::selection{background:var(--lime);color:var(--ink)}
button,a,input,summary{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
button,a,summary{touch-action:manipulation}
button{border:0}
button:disabled{cursor:default}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:5px;border-radius:5px}
button:focus:not(:focus-visible){outline:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{font-weight:700;line-height:1.08;letter-spacing:-.045em}
h2{font-size:clamp(34px,3.65vw,48px);margin-bottom:24px}
h3{font-size:24px;margin-bottom:15px;letter-spacing:-.028em}
p{margin-bottom:18px}
ul{padding-left:22px}
svg{display:inline-block;vertical-align:middle}
.icon{width:24px;height:24px;stroke:currentColor;stroke-width:1.65;fill:none;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.icon-definitions{position:absolute;width:0;height:0;overflow:hidden}
[hidden]{display:none!important}
.container{width:min(var(--content),calc(100% - 80px));margin-inline:auto}
.section{padding:104px 0}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.6px;line-height:1.6;display:flex;align-items:center;gap:10px;margin-bottom:23px;color:var(--green)}
.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:18px 26px;border-radius:9px;font-size:16px;line-height:1.35;font-weight:700;background:var(--ink);color:var(--white);transition:background .18s,transform .18s,box-shadow .18s;min-height:54px}
.button:hover{background:#245440;transform:translateY(-2px);box-shadow:0 5px 12px #102d2314}
.button .icon{width:20px;height:20px;stroke-width:2}
.button-primary{background:var(--green)}
.button-primary:hover{background:#09682e}
.button-small{padding:13px 20px;font-size:14px;min-height:46px}
.button-light{background:var(--lime);color:var(--ink)}
.button-light:hover{background:#d7ffa4}
.text-link{display:inline-flex;align-items:center;gap:12px;font-weight:700;font-size:15px;padding-block:10px;border-bottom:1px solid transparent}
.text-link:hover{border-bottom-color:currentColor}
.text-link .icon{width:18px;height:18px}
.green-text{color:var(--green)}
.skip-link{position:fixed;left:12px;top:-100px;z-index:100;background:var(--lime);padding:12px 20px;font-weight:700}
.skip-link:focus{top:12px}
.announcement{background:var(--ink);color:#e3eddf;display:flex;align-items:center;justify-content:center;gap:20px;font-size:12px;min-height:37px;padding:7px 20px;letter-spacing:.1px}
.announcement a{display:flex;align-items:center;gap:7px;color:var(--lime)}
.announcement .icon{width:15px;height:15px}
.site-header{background:#fbfcf8f5;border-bottom:1px solid #dce4d97a;position:sticky;top:0;z-index:30;backdrop-filter:blur(16px)}
.header-inner{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:block;flex-shrink:0}
.brand img{width:210px;height:auto}
.main-nav{display:flex;gap:27px;align-items:center;font-size:13px;font-weight:700}
.main-nav a{padding:16px 0;position:relative}
.main-nav a:hover{color:var(--green)}
.menu-toggle{display:none;background:transparent;width:44px;height:44px;align-items:center;justify-content:center}
.hero{padding:75px 0 68px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.06fr 1fr;align-items:center;gap:44px}
.hero-copy{padding:10px 0}
.hero .eyebrow{letter-spacing:1.4px;font-size:11px;margin-bottom:23px}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px #169e4810}
h1{font-size:clamp(58px,5.8vw,79px);line-height:1.025;letter-spacing:-.06em;margin-bottom:29px}
.word-highlight{display:inline-block;color:var(--green);position:relative;white-space:nowrap}
.word-highlight svg{position:absolute;left:0;bottom:-14px;width:100%;height:19px;stroke:#86c35a;stroke-width:3.5;fill:none;stroke-linecap:round;z-index:-1}
.hero-description{font-size:18px;line-height:1.6;color:var(--muted);max-width:482px;margin-bottom:26px}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.hero-actions .button{padding-inline:23px;font-size:15px}
.hero-actions .text-link{font-size:14px}
.microcopy{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:12px;margin-top:15px;margin-bottom:27px}
.microcopy .icon{width:15px;height:15px;color:var(--green);stroke-width:2.1}
.hero-reassurance{display:flex;align-items:center;gap:23px;border-top:1px solid var(--line);padding-top:23px;max-width:460px}
.hero-reassurance span{display:flex;align-items:center;gap:7px;font-size:12px}
.hero-reassurance .icon{width:19px;height:19px;color:var(--green)}
.hero-visual{min-width:0;position:relative;padding:29px 26px 18px;background-color:#e8efdc;background-image:linear-gradient(#cad7bf66 1px,transparent 1px),linear-gradient(90deg,#cad7bf66 1px,transparent 1px);background-size:35px 35px;border-radius:24px;min-height:493px;isolation:isolate}
.visual-topline{font-size:8px;font-weight:700;letter-spacing:1.6px;display:flex;align-items:center;gap:7px;color:#55684d;margin-bottom:36px}
.tiny-square{display:block;width:6px;height:6px;background:var(--green)}
.floating-formula{position:absolute;z-index:2;top:47px;right:13px;background:var(--lime);padding:11px 18px;box-shadow:0 5px 15px #17371f12;transform:rotate(6deg);font-family:Georgia,serif;font-size:24px;border:1px solid #b0d782;border-radius:8px;display:flex;gap:13px;align-items:center}
.floating-formula span:not(.formula-spark){font-family:monospace;font-size:19px;font-weight:700}
.formula-spark{font-size:20px}
.workbook{background:var(--white);border:1px solid #c5d3c1;border-radius:12px;overflow:hidden;box-shadow:0 16px 35px #142b2414;transform:rotate(-2.5deg);margin:0 -7px;position:relative}
.workbook-title{background:var(--ink);color:var(--white);display:flex;align-items:center;gap:12px;padding:20px 18px}
.sheet-mark{background:#274b3c;display:flex;align-items:center;justify-content:center;padding:7px;border-radius:7px;color:var(--lime)}
.workbook-title strong{display:block;font-size:15px;letter-spacing:-.3px}
.workbook-title small{display:block;font-size:10px;color:#d2decf;margin-top:3px}
.saved-dot{width:6px;height:6px;background:var(--lime);margin-left:auto;border-radius:50%}
.formula-bar{display:flex;align-items:center;height:35px;border-bottom:1px solid var(--line);font-size:10px;gap:12px}
.formula-bar>span{border-right:1px solid var(--line);padding-inline:20px}
.formula-bar>i{font-size:16px;font-family:Georgia,serif;color:#829080}
.formula-bar code{font-size:11px;color:var(--ink)}
.demo-sheet{border-collapse:collapse;width:100%;table-layout:fixed;font-size:11px;color:#405442}
.demo-sheet th,.demo-sheet td{border:1px solid #e2e8df;height:36px;padding:5px 12px;text-align:left;white-space:nowrap}
.demo-sheet th{background:#f4f7f0;text-align:center;font-weight:400;color:#75836f;width:32px;font-size:9px;padding:0}
.demo-sheet td:nth-child(2){width:43%}
.demo-sheet .column-letters th{height:23px}
.demo-sheet .column-letters th:nth-child(2){width:44%}
.demo-sheet .column-letters th:nth-child(3){width:24%}
.demo-sheet .column-letters th:nth-child(4){width:24%}
.demo-sheet .table-heading{font-weight:700;color:var(--ink);background:#f8faf5;font-size:10px}
.demo-sheet .number{text-align:right}
.demo-sheet .selected-range{background:#edf6e5;border-inline:1.5px solid #93be79}
.demo-sheet tr:nth-child(2) .selected-range{border-top:1.5px solid #93be79}
.demo-sheet tr:nth-child(4) .selected-range{border-bottom:1.5px solid #93be79}
.paid-tag{font-size:9px;background:#f1f7eb;color:#427431;border-radius:4px;padding:3px 9px}
.demo-sheet .total-row td{font-weight:700;color:var(--ink)}
.demo-sheet .result-cell{background:#e3f6d0;color:#16402c;text-align:right;border:2px solid var(--brand);position:relative;font-size:17px;padding-block:2px}
.result-cell:after{content:'';position:absolute;right:-3px;bottom:-3px;background:var(--brand);width:5px;height:5px}
.is-calculated .result-cell{animation:result-pop .35s ease}
.total-check{color:var(--green);width:19px;height:19px}
.demo-sheet .empty-row td,.demo-sheet .empty-row th{height:22px}
.workbook-tabs{display:flex;align-items:center;gap:16px;background:#f6f8f3;font-size:10px;height:31px;padding-inline:20px;color:#7a8873}
.tab-active{align-self:stretch;border-bottom:2px solid var(--green);padding-top:6px;color:var(--green);font-weight:700}
.sheet-status{margin-left:auto;font-size:8px}
.try-demo{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:28px;padding-top:3px}
.demo-label{font-size:8px;font-weight:700;letter-spacing:1px;color:#526848;display:block;margin-bottom:4px}
.try-demo strong{font-size:14px;letter-spacing:-.3px;display:block}
.try-demo button{background:var(--ink);color:var(--white);display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:8px;font-size:12px;font-weight:700;min-height:44px}
.try-demo button:hover{background:#245440}
.try-demo .icon{width:17px;height:17px}
.demo-feedback{font-size:10px;margin-top:15px;margin-bottom:0;color:#42533b;min-height:16px}
.visual-caption{font-size:8px;color:#65715e;letter-spacing:.2px;margin:8px 0 0}
.course-facts{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f4f6ef}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);padding-block:27px}
.facts-grid>div{display:flex;align-items:center;gap:15px;border-right:1px solid #d6dfd0;padding-inline:26px}
.facts-grid>div:first-child{padding-left:0}
.facts-grid>div:last-child{border-right:0;padding-right:0}
.facts-grid .icon{width:27px;height:27px;color:var(--green)}
.facts-grid p{margin:0}
.facts-grid strong{display:block;font-size:14px;line-height:1.4}
.facts-grid span{font-size:11px;color:var(--muted);display:block;margin-top:3px}
.section-heading{margin-bottom:42px}
.section-heading h2{margin-bottom:0}
.split-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:50px}
.split-heading>p{max-width:310px;font-size:15px;line-height:1.6;color:var(--muted);margin:0 0 4px}
.section-heading .eyebrow{margin-bottom:17px}
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.benefit-card{position:relative;background:#f0f4eb;border:1px solid #e3e9df;border-radius:var(--radius);padding:28px 27px 23px;display:flex;flex-direction:column}
.feature-icon{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cadbbd;background:#e5efda;width:48px;height:48px;border-radius:12px;color:var(--green)}
.feature-icon .icon{width:25px;height:25px}
.benefit-card .feature-icon{margin-bottom:33px}
.card-number{position:absolute;top:35px;right:28px;font-family:monospace;font-size:12px;color:#7f9075}
.benefit-card h3{font-size:23px;letter-spacing:-.6px;margin-bottom:14px}
.benefit-card>p{font-size:15px;line-height:1.65;color:var(--muted);margin-bottom:29px}
.benefit-example{border-top:1px solid #d7e1d0;padding-top:20px;font-size:11px;margin-top:auto;display:flex;align-items:center;gap:9px;min-height:47px}
.small-dot{width:6px;height:6px;flex-shrink:0;border-radius:50%;background:var(--brand)}
.benefit-example code{color:var(--green);font-size:13px}
.benefit-example .icon{margin-left:auto;width:16px;height:16px;color:var(--green)}
.mini-bars{border-top:1px solid #d7e1d0;padding-top:15px;margin-top:auto;display:flex;gap:4px;align-items:flex-end;height:48px}
.mini-bars i{display:block;background:#9bc978;width:9px;border-radius:2px 2px 0 0;height:14px}
.mini-bars i:nth-child(2){height:22px}.mini-bars i:nth-child(3){height:18px}.mini-bars i:nth-child(4){height:28px;background:var(--green)}
.mini-bars span{font-size:11px;margin-left:8px;margin-bottom:4px}
.audience-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:31px}
.audience-line strong{font-size:12px;margin-right:5px}
.audience-line span{font-size:10px;padding:6px 10px;border:1px solid var(--line);border-radius:5px;background:var(--white)}
.curriculum{background:#f0f3ec;border-block:1px solid #e3e9df}
.curriculum-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px 94px}
.curriculum-intro{align-self:start;position:sticky;top:125px}
.curriculum-intro>p:not(.eyebrow){max-width:330px;color:var(--muted);font-size:16px;line-height:1.7}
.pace-note{display:flex;gap:13px;border-block:1px solid #d7e0cf;padding:25px 0;margin:30px 0 15px;max-width:365px}
.pace-note>.icon{color:var(--green);width:22px;height:22px;margin-top:1px}
.pace-note strong{font-size:15px;display:block;margin-bottom:9px}
.pace-note p{font-size:13px;color:var(--muted);line-height:1.65;margin-bottom:0}
.pace-note b{font-weight:400;color:var(--ink)}
.module{background:var(--paper);border:1px solid #dce4d7;border-radius:12px;margin-bottom:12px;overflow:hidden}
.module:last-child{margin-bottom:0}
summary{list-style:none;cursor:pointer}
summary::-webkit-details-marker{display:none}
.module summary{display:flex;gap:17px;align-items:center;padding:22px 23px}
.module-number{border:1px solid #d9e4d0;width:38px;height:42px;border-radius:7px;font-size:16px;color:var(--green);display:flex;align-items:center;justify-content:center;flex-shrink:0;background:#f1f6eb}
.module summary>span:nth-child(2){min-width:0}
.module summary small{font-size:8px;letter-spacing:1.4px;font-weight:700;display:block;color:var(--muted);margin-bottom:4px}
.module summary strong{font-size:17px;letter-spacing:-.3px;display:block;line-height:1.3}
.module summary>.icon{width:17px;height:17px;margin-left:auto;flex-shrink:0;transition:transform .2s}
.module[open] summary>.icon{transform:rotate(45deg)}
.module[open]{border-color:#afc59b;background:var(--white)}
.module-body{padding:0 28px 22px 78px;font-size:13px;color:var(--muted)}
.module-body>p:first-child{line-height:1.65;margin-bottom:12px}
.module-body ul{padding-left:16px;margin:0 0 18px;line-height:1.8}
.module-body li::marker{color:var(--green)}
.module-outcome{border-top:1px solid #e6ecdf;padding-top:13px;margin-bottom:0;font-size:11px;color:var(--green);display:flex;align-items:flex-start;gap:7px}
.module-outcome .icon{width:14px;height:14px;margin-top:2px}
.sheets-note{grid-column:1/-1;background:#e5eedc;border:1px solid #d3e2c6;display:flex;align-items:center;gap:22px;border-radius:12px;padding:24px 27px;margin-top:3px}
.sheets-note .feature-icon{background:#f4f9ed;border-color:#cbdaba;flex-shrink:0}
.sheets-note h3{font-size:17px;letter-spacing:-.3px;margin-bottom:8px}
.sheets-note p{margin-bottom:0;font-size:12px;line-height:1.7;color:#54654a;max-width:720px}
.note-tag{margin-left:auto;white-space:nowrap;font-size:10px;background:#f8fced;border:1px solid #cad9bb;padding:7px 10px;border-radius:5px}
.centered{text-align:center}
.centered .eyebrow{justify-content:center}
.centered>p:last-child{color:var(--muted);margin-top:17px;margin-bottom:0;font-size:16px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:35px;margin-top:52px;position:relative}
.steps:before{content:'';position:absolute;top:24px;left:28px;right:20%;height:1px;background:var(--line);z-index:-1}
.step-number{display:inline-flex;align-items:center;justify-content:center;width:47px;height:47px;background:var(--paper);border:1px solid #b8ccaa;border-radius:50%;font-size:19px;color:var(--green);margin-bottom:25px;box-shadow:0 0 0 10px var(--paper)}
.steps h3{font-size:20px;letter-spacing:-.5px}
.steps p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:0}
.support-panel{margin-top:76px;display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:47px 55px;background:var(--ink);color:#f9fcf2;border-radius:20px;overflow:hidden;position:relative}
.support-panel:after{content:'';position:absolute;right:-80px;top:-220px;border:1px solid #ffffff0c;border-radius:50%;width:720px;height:720px;pointer-events:none}
.support-badge{display:flex;align-items:center;gap:8px;font-size:9px;letter-spacing:1.4px;color:var(--lime);font-weight:700;margin-bottom:20px}
.support-badge .icon{width:17px;height:17px}
.support-panel h3{font-size:36px;letter-spacing:-1px;line-height:1.1;margin-bottom:19px}
.support-panel>div>p{font-size:14px;line-height:1.7;color:#b9cbbd;max-width:345px}
.support-panel .text-link{color:var(--lime);font-size:13px}
.chat-example{align-self:center;position:relative;z-index:1;max-width:370px}
.chat-caption{display:block;color:#aebfaf;font-size:8px;letter-spacing:1.2px;margin-bottom:26px}
.chat-bubble{font-size:14px;line-height:1.6;padding:17px 20px;max-width:320px}
.chat-bubble.student{background:#e9efdf;color:var(--ink);border-radius:13px 13px 13px 1px;margin-right:40px}
.chat-bubble.student small{display:block;color:#697b63;font-size:9px;margin-top:6px}
.chat-bubble.teacher{background:var(--lime);color:var(--ink);margin:16px 0 0 45px;border-radius:13px 13px 1px 13px}
.chat-bubble.teacher .icon{display:block;margin:4px 0 -4px auto;width:16px;height:16px}
.chat-example>p{font-family:Georgia,serif;font-style:italic;font-size:17px!important;color:#e1edcc!important;margin:22px 0 0;text-align:center}
.teacher-section{padding-top:20px}
.teacher-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}
.teacher-intro>p:not(.eyebrow){font-size:15px;color:var(--muted);line-height:1.75;max-width:430px}
.teacher-intro .teacher-lead{font-size:20px!important;line-height:1.5!important;color:var(--ink)!important;margin-bottom:17px}
.teacher-signature{display:flex;align-items:center;gap:13px;margin-top:25px}
.initial-avatar{width:43px;height:43px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e4ecdc;color:var(--green);font-size:13px;flex-shrink:0}
.teacher-signature strong{display:block;font-size:14px}.teacher-signature div>span{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.certificate-feature{padding:40px 34px 20px;background-color:#ebf0e1;background-image:radial-gradient(#bed0ac 1px,transparent 1px);background-size:12px 12px;border-radius:22px}
.certificate{background:#fffcf5;border:1px solid #d7dccd;padding:28px 29px 20px;box-shadow:0 12px 20px #102d2312;transform:rotate(3deg);position:relative}
.certificate:before{content:'';position:absolute;inset:8px;border:1px solid #e2e3d4;pointer-events:none}
.certificate-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:35px;gap:20px}
.certificate-top img{width:150px}.certificate-top .icon{color:var(--green);width:33px;height:33px;stroke-width:1.2}
.certificate-eyebrow{font-size:7px;letter-spacing:1.5px;font-weight:700;color:#677453;margin-bottom:14px}
.certificate h3{font-family:Georgia,serif;font-weight:400;font-size:31px;letter-spacing:-.9px;line-height:1.12;margin-bottom:18px}
.certificate-name{display:block;font-family:Georgia,serif;font-style:italic;font-size:19px;color:#81876d;border-bottom:1px solid #dbdecf;padding-bottom:10px;margin-bottom:10px}
.certificate>p:not(.certificate-eyebrow){font-size:11px;margin-bottom:20px}
.certificate-bottom{display:flex;justify-content:space-between;align-items:center;font-size:11px}
.certificate-bottom small{font-size:8px;color:#768068}
.certificate-seal{width:35px;height:35px;border:1px solid #aec692;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--green)}
.certificate-seal .icon{width:18px;height:18px}
.certificate-model{font-size:7px;color:#7b856d;display:block;margin-top:13px}
.certificate-feature>p{display:flex;gap:9px;align-items:center;justify-content:center;font-size:12px;margin:27px 0 0}
.certificate-feature>p .icon{width:18px;height:18px;color:var(--green)}
.testimonial-section{padding-top:50px;border-top:1px solid var(--line)}
.example-disclosure{font-size:12px!important;line-height:1.6;border-left:2px solid #b6c8a9;padding-left:16px}
.example-disclosure strong{display:block;color:var(--ink);font-size:13px;margin-bottom:5px}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testimonial-card{border-top:1px solid #bdcdb2;padding-top:22px;display:flex;flex-direction:column}
.quote-mark{font-size:57px;height:46px;font-family:Georgia,serif;color:#92b279;line-height:1}
.testimonial-card blockquote{margin:0 0 28px;font-size:16px;line-height:1.65}
.testimonial-author{display:flex;gap:11px;align-items:center;margin-top:auto}
.testimonial-author strong{display:block;font-size:13px}.testimonial-author div>span{display:block;font-size:10px;color:var(--muted);margin-top:2px}
.testimonial-card:nth-child(2) .initial-avatar{background:#eae5d7;color:#6c6449}.testimonial-card:nth-child(3) .initial-avatar{background:#e0e9e7;color:#4b6a64}
.offer-section{background:var(--ink);color:var(--white);position:relative;overflow:hidden}
.offer-section:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#ffffff03 1px,transparent 1px),linear-gradient(90deg,#ffffff03 1px,transparent 1px);background-size:50px 50px;pointer-events:none}
.offer-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center;position:relative}
.offer-copy .eyebrow{color:var(--lime);font-size:10px}
.offer-copy h2{font-size:clamp(42px,4.3vw,58px);color:#f0f6e9}
.offer-copy>p:not(.eyebrow){color:#bdcdbf;max-width:390px;font-size:16px;line-height:1.75}
.offer-reminders{margin-top:28px}
.offer-reminders p{display:flex;align-items:flex-start;gap:11px;color:#dfebd9;font-size:13px;margin-bottom:16px}
.offer-reminders .icon{width:18px;height:18px;color:var(--lime);margin-top:1px}
.offer-question{margin-top:36px;border-top:1px solid #365043;padding-top:23px;max-width:360px}
.offer-question>span{display:block;color:#b9cbbb;font-size:12px}
.offer-question a{font-size:14px;color:var(--lime);display:inline-flex;align-items:center;gap:15px;font-weight:700;padding-top:9px}
.offer-question .icon{width:17px;height:17px}
.price-card{background:var(--paper);border-radius:18px;color:var(--ink);padding:35px;box-shadow:0 20px 60px #0000001a}
.price-card-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:25px;font-size:8px;font-weight:700;letter-spacing:1px}
.offer-label{background:var(--lime);border:1px solid #aeda76;border-radius:5px;padding:7px 10px;color:#2b4916}
.price-card h3{font-size:24px;margin-bottom:21px}
.price{display:flex;align-items:center;gap:10px}
.price>span{font-size:25px;font-weight:700;align-self:flex-start;margin-top:13px}
.price>strong{font-size:95px;font-weight:700;line-height:1;letter-spacing:-5px}
.price>div{font-size:12px;line-height:1.7;margin-left:13px;color:var(--muted)}
.price>div>b{font-weight:400;color:var(--ink)}
.no-subscription{font-size:11px;color:var(--muted);margin:7px 0 23px}
.included-list{padding:22px 0 0;margin:0 0 29px;list-style:none;border-top:1px solid var(--line)}
.included-list li{display:flex;align-items:center;gap:11px;font-size:13px;margin-bottom:13px;line-height:1.4}
.included-list .icon{width:17px;height:17px;color:var(--green);stroke-width:2}
.checkout-button{width:100%;justify-content:space-between;font-size:15px}
.price-footnote{display:flex;align-items:center;justify-content:center;gap:6px;font-size:10px;color:var(--muted);margin:14px 0 0}
.price-footnote .icon{width:13px;height:13px;color:var(--green)}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}
.faq-grid>div:first-child>p:not(.eyebrow){font-size:15px;color:var(--muted);max-width:290px}
.faq-grid .text-link{color:var(--green);font-size:13px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:first-child{border-top:1px solid var(--line)}
.faq-list summary{padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:15px;font-weight:700;line-height:1.4}
.faq-list summary>.icon{width:17px;height:17px;transition:transform .2s}
.faq-list details[open] summary>.icon{transform:rotate(45deg)}
.faq-list details[open] summary{color:var(--green)}
.faq-list details>div{font-size:14px;line-height:1.75;color:var(--muted);padding-right:30px;padding-bottom:5px}
.final-cta{padding:60px 0;background:#e7efdd;border-block:1px solid #d7e2cd}
.final-cta .container{display:flex;align-items:center;gap:28px}
.final-star{font-size:88px;line-height:1;color:var(--green);margin-right:15px;font-family:Arial,sans-serif}
.final-cta h2{font-size:38px;line-height:1.1;margin-bottom:13px}
.final-cta p{font-size:14px;color:var(--muted);margin:0}
.final-cta .button{margin-left:auto;background:var(--ink);color:var(--white)}
.final-cta .button:hover{background:#245440}
.site-footer{padding-top:44px;padding-bottom:20px;background:var(--paper)}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;padding-bottom:35px}
.footer-top .brand img{width:195px}.footer-top p{font-size:12px;color:var(--muted);margin-top:14px;margin-bottom:0}
.footer-contact{display:flex;align-items:center;gap:26px;padding-top:13px}
.footer-contact a{display:flex;align-items:center;gap:8px;font-size:13px}.footer-contact .icon{width:17px;height:17px}
.footer-bottom{border-top:1px solid var(--line);display:flex;align-items:center;gap:30px;padding-top:18px;font-size:10px;color:var(--muted)}
.footer-bottom>span:last-child{margin-left:auto}.footer-bottom a{color:var(--ink)}
.plain-button{background:none;font-size:10px;padding:6px 0}
.plain-button:hover{text-decoration:underline}
.mobile-purchase{display:none}
dialog{border:1px solid var(--line);border-radius:20px;max-width:480px;width:calc(100% - 36px);padding:38px;color:var(--ink);background:var(--paper);box-shadow:0 24px 90px #08190e4d;max-height:calc(100dvh - 48px);overflow:auto}
dialog::backdrop{background:#071b14aa;backdrop-filter:blur(4px)}
dialog .dialog-close{position:absolute;right:14px;top:14px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#ecf1e6;border-radius:50%}
dialog .dialog-close .icon{width:20px;height:20px}
dialog .feature-icon{margin-bottom:25px}
dialog .eyebrow{font-size:9px;margin-bottom:12px}
dialog h2{font-size:36px;margin-bottom:15px}
dialog>p{font-size:14px;color:var(--muted);line-height:1.7}
dialog .dialog-price{font-size:28px;color:var(--ink);font-weight:700;margin-bottom:17px}
.dialog-price span{font-size:14px;font-weight:400}
dialog .button{width:100%;font-size:14px;gap:10px;margin-top:10px}
dialog .dialog-note{font-size:10px;text-align:center;margin:14px 0 0}
.inline-link{text-decoration:underline;color:var(--green)}
.noscript-note{padding:20px;background:var(--lime);font-size:14px}.noscript-note a{text-decoration:underline}
@keyframes result-pop{0%{background:#b4e88d}100%{background:#e3f6d0}}

@media(min-width:1500px){.hero{padding-top:90px;padding-bottom:83px}}
@media(max-width:1200px){.container{width:calc(100% - 64px)}.main-nav{gap:19px;font-size:12px}.brand img{width:190px}.header-inner{gap:20px}.hero-grid{gap:35px}.hero-actions{gap:10px}.hero-actions .button{padding-inline:20px}.hero h1{font-size:66px}.hero-description{font-size:17px}.hero-visual{padding-inline:22px}.facts-grid>div{padding-inline:18px;gap:12px}.facts-grid strong{font-size:13px}.curriculum-grid{gap:42px 55px}.offer-grid{gap:65px}.teacher-grid{gap:65px}.support-panel{gap:45px;padding:40px}.sheets-note{flex-wrap:wrap}.note-tag{margin-left:70px;margin-top:-8px}.sheets-note>div{flex:1;min-width:60%}}
@media(max-width:1000px){.header-inner{min-height:76px;gap:15px}.brand img{width:195px}.header-cta{margin-left:auto;white-space:nowrap}.menu-toggle{display:flex}.main-nav{display:none;position:absolute;left:0;right:0;top:76px;background:var(--paper);padding:15px 32px 24px;border-bottom:1px solid var(--line);box-shadow:0 15px 25px #102d2310;flex-direction:column;align-items:stretch;gap:0}.main-nav a{padding:14px 0;font-size:15px;border-bottom:1px solid var(--line)}.main-nav.is-open{display:flex}.hero{padding:55px 0}.hero-grid{gap:28px}.hero h1{font-size:55px}.hero .eyebrow{font-size:9px}.hero-description{font-size:15px}.hero-actions{gap:4px}.hero-actions .button{font-size:13px;padding:16px 17px;min-height:51px}.hero-actions .text-link{font-size:12px}.hero-reassurance{gap:14px}.hero-reassurance span{font-size:10px}.microcopy{font-size:10px}.hero-visual{padding-inline:17px;min-height:auto}.visual-topline{font-size:7px;letter-spacing:1px}.floating-formula{padding:9px 12px;top:45px;font-size:20px}.floating-formula span:not(.formula-spark){font-size:16px}.workbook-title{padding:16px 12px}.workbook-title strong{font-size:12px}.workbook-title small{font-size:8px}.demo-sheet td{padding-inline:8px;font-size:9px}.demo-sheet .column-letters th:nth-child(2){width:43%}.demo-sheet .table-heading{font-size:9px}.paid-tag{padding-inline:5px;font-size:8px}.sheet-status{font-size:6px}.demo-label{font-size:7px}.try-demo strong{font-size:12px}.try-demo{gap:6px}.try-demo button{padding-inline:12px;font-size:11px;gap:7px}.demo-feedback{font-size:9px}.facts-grid{grid-template-columns:repeat(2,1fr);gap:22px 0;padding-block:28px}.facts-grid>div{padding-left:24px}.facts-grid>div:nth-child(2){border:0}.facts-grid>div:nth-child(3){padding-left:0}.facts-grid strong{font-size:14px}.facts-grid span{font-size:12px}.section{padding-block:80px}.split-heading{gap:25px}.split-heading>p{max-width:250px;font-size:13px}.benefits-grid{gap:14px}.benefit-card{padding:23px 19px}.benefit-card h3{font-size:21px}.benefit-card>p{font-size:13px}.benefit-example{font-size:10px}.benefit-example code{font-size:11px}.mini-bars span{font-size:9px}.curriculum-grid{grid-template-columns:.8fr 1.2fr;gap:35px}.curriculum-intro h2{font-size:35px}.curriculum-intro>p:not(.eyebrow){font-size:14px}.module summary{padding:19px 16px;gap:12px}.module summary strong{font-size:15px}.module summary small{font-size:7px}.module-body{padding-left:64px;padding-right:18px;font-size:12px}.module-number{width:33px;height:38px;font-size:14px}.steps{gap:24px}.steps h3{font-size:18px}.steps p{font-size:13px}.support-panel{padding:34px;gap:30px}.support-panel h3{font-size:32px}.support-panel>div>p{font-size:13px}.chat-bubble{font-size:12px}.teacher-section{padding-top:0}.teacher-grid{gap:45px}.certificate-feature{padding:35px 23px 22px}.certificate{padding:23px}.certificate-top img{width:130px}.certificate h3{font-size:28px}.teacher-intro .teacher-lead{font-size:18px!important}.testimonial-section{padding-top:50px}.testimonial-card blockquote{font-size:14px}.offer-grid{gap:45px;grid-template-columns:1fr 1fr}.offer-copy h2{font-size:43px}.offer-copy>p:not(.eyebrow){font-size:14px}.offer-reminders p{font-size:12px}.price-card{padding:27px}.price-card h3{font-size:21px}.price>strong{font-size:85px}.price>div{font-size:10px;margin-left:6px}.included-list li{font-size:12px}.checkout-button{font-size:13px;padding-inline:20px}.faq-grid{gap:50px}.faq-list summary{font-size:14px}.final-cta h2{font-size:32px}.final-star{font-size:70px;margin-right:0}.final-cta .button{font-size:13px;gap:14px;padding-inline:21px}}
@media(max-width:760px){html{scroll-padding-top:90px}.container{width:calc(100% - 40px)}.announcement{font-size:11px;padding:7px 12px;gap:4px;min-height:33px}.announcement>span{display:none}.header-inner{min-height:72px;gap:8px}.brand img{width:166px}.header-cta{font-size:11px;gap:5px;padding:9px 12px;min-height:39px}.header-cta .icon{width:15px;height:15px}.menu-toggle{width:34px;height:40px;margin-right:-6px}.menu-toggle .icon{width:22px;height:22px}.main-nav{top:72px;padding-inline:20px}.hero{padding:40px 0 36px}.hero-grid{grid-template-columns:1fr;gap:34px}.hero-copy{padding:0}.hero .eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:21px}.hero h1{font-size:clamp(52px,9.7vw,74px);line-height:1.01;letter-spacing:-.055em;margin-bottom:28px}.hero-description{font-size:16px;line-height:1.65;max-width:520px;margin-bottom:22px}.hero-actions{gap:16px}.hero-actions .button{font-size:14px;padding:16px 20px;min-height:55px}.hero-actions .text-link{font-size:13px}.microcopy{font-size:11px;margin-top:12px;margin-bottom:23px;gap:5px}.hero-reassurance{max-width:none;padding-top:19px;gap:25px}.hero-reassurance span{font-size:11px}.hero-reassurance .icon{width:17px;height:17px}.hero-visual{padding:24px 25px 18px;max-width:550px;width:100%;margin:auto;min-height:460px;border-radius:20px}.visual-topline{font-size:8px;margin-bottom:37px}.floating-formula{right:14px;top:43px;padding:11px 15px}.floating-formula span:not(.formula-spark){font-size:18px}.workbook{margin-inline:-5px}.workbook-title{padding:17px 14px}.workbook-title strong{font-size:13px}.workbook-title small{font-size:9px}.sheet-mark .icon{width:21px;height:21px}.demo-sheet td{font-size:10px;padding-inline:10px;height:35px}.demo-sheet .table-heading{font-size:10px}.paid-tag{font-size:9px;padding-inline:7px}.sheet-status{font-size:7px}.workbook-tabs{padding-inline:16px;gap:12px}.try-demo{margin-top:25px}.try-demo strong{font-size:13px}.demo-label{font-size:7px}.try-demo button{font-size:12px;gap:10px;padding-inline:15px}.demo-feedback{font-size:10px}.visual-caption{font-size:8px}.facts-grid{padding:25px 0;gap:26px 0}.facts-grid>div{padding-inline:16px;gap:10px;align-items:flex-start}.facts-grid .icon{width:23px;height:23px;margin-top:4px}.facts-grid strong{font-size:12px}.facts-grid span{font-size:10px}.section{padding:65px 0}.section h2{font-size:36px;letter-spacing:-1.4px}.section .eyebrow{font-size:9px;letter-spacing:1.2px;margin-bottom:16px}.section-heading{margin-bottom:29px}.split-heading{display:block}.split-heading>p{max-width:420px;font-size:15px;margin-top:20px}.benefits-grid{grid-template-columns:1fr;gap:13px}.benefit-card{padding:25px}.benefit-card .feature-icon{margin-bottom:25px}.benefit-card h3{font-size:24px}.benefit-card>p{font-size:15px;line-height:1.6;max-width:450px;margin-bottom:23px}.benefit-example{font-size:12px}.benefit-example code{font-size:14px}.mini-bars span{font-size:12px}.card-number{font-size:13px}.audience-line{gap:8px;margin-top:26px}.audience-line strong{width:100%;font-size:13px;margin-bottom:3px}.audience-line span{font-size:10px}.curriculum-grid{grid-template-columns:1fr;gap:28px}.curriculum-intro{position:static}.curriculum-intro h2{max-width:390px}.curriculum-intro>p:not(.eyebrow){font-size:15px;max-width:440px}.pace-note{max-width:none;margin-top:25px;margin-bottom:5px;padding-block:22px}.pace-note p{font-size:13px}.curriculum-intro .text-link{font-size:14px}.module summary{padding:20px 18px;gap:14px}.module summary strong{font-size:16px}.module summary small{font-size:8px}.module-number{width:35px;height:41px}.module-body{padding-left:67px;padding-right:23px;font-size:13px}.module-outcome{font-size:11px}.sheets-note{padding:23px;gap:14px;display:grid;grid-template-columns:38px 1fr}.sheets-note .feature-icon{width:38px;height:38px;border-radius:9px;align-self:start}.sheets-note .icon{width:21px;height:21px}.sheets-note h3{font-size:16px;line-height:1.25;margin-top:1px}.sheets-note p{font-size:12px}.note-tag{grid-column:2;margin:0;justify-self:start;font-size:9px}.centered{text-align:left}.centered .eyebrow{justify-content:flex-start}.centered>p:last-child{font-size:15px;max-width:400px}.steps{grid-template-columns:1fr 1fr;gap:28px 23px;margin-top:34px}.steps:before{display:none}.step-number{margin-bottom:18px;width:42px;height:42px;font-size:17px;box-shadow:none}.steps h3{font-size:20px;margin-bottom:12px;line-height:1.16}.steps p{font-size:13px}.support-panel{grid-template-columns:1fr;padding:30px 26px;gap:27px;margin-top:45px;border-radius:17px}.support-badge{font-size:8px}.support-panel h3{font-size:34px}.support-panel>div>p{font-size:14px;max-width:100%}.support-panel .text-link{font-size:13px}.chat-example{width:100%;max-width:400px;margin:0 auto}.chat-caption{font-size:7px;margin-bottom:19px;letter-spacing:.8px}.chat-bubble{font-size:13px;padding:15px 17px;max-width:290px}.chat-bubble.teacher{margin-left:40px}.teacher-section{padding-top:0}.teacher-grid{grid-template-columns:1fr;gap:33px}.teacher-intro>p:not(.eyebrow){max-width:none;font-size:15px}.teacher-intro .teacher-lead{font-size:19px!important}.teacher-signature{margin-top:20px}.certificate-feature{max-width:450px;width:100%;margin:auto;padding:35px 33px 24px}.certificate{padding:28px}.certificate-top{margin-bottom:25px}.certificate-top img{width:150px}.certificate h3{font-size:32px}.certificate-eyebrow{font-size:7px}.certificate-name{font-size:21px}.certificate-feature>p{font-size:11px}.testimonial-section{padding-top:50px}.example-disclosure{font-size:11px!important;margin-top:20px!important}.testimonial-grid{grid-template-columns:1fr;gap:30px}.testimonial-card{padding-top:20px}.quote-mark{font-size:48px;height:35px}.testimonial-card blockquote{font-size:16px;margin-bottom:20px}.testimonial-author strong{font-size:14px}.testimonial-author div>span{font-size:11px}.offer-grid{grid-template-columns:1fr;gap:34px}.offer-copy h2{font-size:45px;letter-spacing:-2px}.offer-copy>p:not(.eyebrow){font-size:16px;max-width:450px}.offer-reminders p{font-size:13px}.offer-question{margin-top:26px;padding-top:20px;max-width:none}.price-card{padding:28px;max-width:450px;width:100%;margin:auto}.price-card-top{font-size:8px}.price-card h3{font-size:25px}.price>strong{font-size:95px}.price>div{font-size:12px;margin-left:11px}.price>span{font-size:26px}.no-subscription{font-size:11px}.included-list li{font-size:14px;line-height:1.5}.included-list{margin-bottom:25px}.checkout-button{font-size:14px;padding:18px 20px}.price-footnote{font-size:10px}.faq-grid{grid-template-columns:1fr;gap:24px}.faq-grid>div:first-child>p:not(.eyebrow){max-width:400px;font-size:15px;margin-bottom:8px}.faq-grid .text-link{font-size:14px}.faq-list summary{font-size:15px;padding:22px 0;gap:20px}.faq-list details>div{font-size:14px;padding-right:16px}.final-cta{padding:43px 0}.final-cta .container{flex-wrap:wrap;gap:18px 20px}.final-star{font-size:62px;align-self:flex-start;margin-top:3px}.final-cta h2{font-size:32px;letter-spacing:-1.1px;margin-bottom:11px}.final-cta p{font-size:12px}.final-cta .button{margin:7px 0 0;width:100%;font-size:14px;justify-content:space-between;min-height:55px}.site-footer{padding-top:36px;padding-bottom:112px}.footer-top{flex-direction:column;gap:24px;padding-bottom:27px}.footer-top .brand img{width:190px}.footer-top p{font-size:12px}.footer-contact{padding:0;gap:25px}.footer-contact a{font-size:12px;min-height:32px}.footer-bottom{flex-wrap:wrap;gap:12px 22px;font-size:10px;padding-top:17px}.footer-bottom>span:last-child{margin-left:0;flex-basis:100%}.plain-button{font-size:11px;padding:9px}.mobile-purchase{display:flex;position:fixed;bottom:0;left:0;right:0;background:#fbfcf8f7;backdrop-filter:blur(15px);border-top:1px solid #cddac3;box-shadow:0 -4px 18px #102d230c;padding:12px 20px calc(12px + env(safe-area-inset-bottom,0px));z-index:25;align-items:center;justify-content:space-between;gap:12px;transition:transform .2s,visibility .2s}.mobile-purchase.is-hidden{transform:translateY(110%);visibility:hidden}.mobile-purchase strong{font-size:23px;letter-spacing:-.7px;line-height:1.2;display:block}.mobile-purchase span{font-size:9px;display:block;color:var(--muted);margin-top:3px}.mobile-purchase .button{font-size:14px;padding:12px 21px;min-height:48px;gap:24px}.mobile-purchase .icon{width:18px;height:18px}dialog{padding:32px 27px}dialog h2{font-size:32px}dialog .eyebrow{font-size:8px}.noscript-note{padding-bottom:110px}}
@media(max-width:380px){.container{width:calc(100% - 32px)}.brand img{width:153px}.header-cta{padding-inline:10px;font-size:10px}.header-cta .icon{display:none}.hero h1{font-size:49px}.hero .eyebrow{font-size:9px}.hero-description{font-size:15px}.hero-actions{gap:9px}.hero-actions .button{font-size:13px;padding-inline:16px;gap:13px}.hero-actions .text-link{font-size:12px}.hero-reassurance{gap:16px}.hero-reassurance span{font-size:10px}.hero-visual{padding-inline:17px;min-height:445px}.visual-topline{font-size:7px}.workbook-title strong{font-size:12px}.demo-sheet td{font-size:9px;padding-inline:7px}.demo-sheet .table-heading{font-size:9px}.demo-sheet th{width:25px}.try-demo strong{font-size:12px}.demo-label{font-size:6px}.try-demo button{font-size:11px;padding-inline:12px}.demo-feedback{font-size:9px}.facts-grid>div{gap:8px;padding-left:12px}.facts-grid strong{font-size:11px}.facts-grid span{font-size:9px}.facts-grid .icon{width:20px;height:20px}.section h2{font-size:32px}.steps{gap:26px 17px}.steps h3{font-size:18px}.steps p{font-size:12px}.module summary{gap:10px;padding-inline:14px}.module summary strong{font-size:14px}.module summary small{font-size:7px}.module-body{padding-left:60px}.certificate-feature{padding-inline:24px}.certificate-top img{width:125px}.price-card{padding:23px}.price-card h3{font-size:22px}.price>strong{font-size:86px}.price>div{font-size:11px}.included-list li{font-size:12px}.price-footnote{font-size:9px}.final-star{font-size:49px}.final-cta h2{font-size:29px}.final-cta .container{column-gap:13px}.mobile-purchase{padding-inline:16px}.mobile-purchase .button{padding-inline:18px;gap:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.button:hover{transform:none}}
@media print{.announcement,.site-header,.mobile-purchase,.hero-visual,.final-cta,dialog,.menu-toggle{display:none!important}.section{padding:24px 0;break-inside:avoid}.container{width:100%}.hero{padding:20px 0}.hero-grid,.curriculum-grid,.teacher-grid,.offer-grid,.faq-grid{display:block}.offer-section{background:white;color:black}.price-card{box-shadow:none;border:1px solid #ccc}.curriculum-intro{position:static}.button{display:none}.site-footer{padding:20px 0}.testimonial-section{display:none}}
/* Course launch and student entry */
.hero h1{font-size:clamp(48px,4.55vw,64px);line-height:1.07;letter-spacing:-.052em}
.student-link{color:var(--green);white-space:nowrap}
.main-nav{gap:20px}
.main-nav a{font-size:12px}
.module-why{background:#f1f5e9;padding:17px 20px;border-radius:9px;font-size:14px;color:#405744}
.module-why strong{display:block;color:var(--ink);margin-bottom:6px}
.regular-price{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:#687366;font-size:13px;margin:22px 0 0}
.regular-price del{font-size:18px}
.regular-price span{background:#edf6df;color:#356124;padding:4px 9px;border-radius:5px;font-size:11px;font-weight:700}
.mobile-purchase strong del{font-size:12px;font-weight:400;color:var(--muted);margin-right:4px}
@media(max-width:600px){.hero h1{font-size:clamp(34px,9.3vw,49px)}.hero-description{font-size:17px}.regular-price{font-size:12px}.main-nav a{font-size:16px}}