:root{--navy:#151f37;--ink:#1b2942;--muted:#606d80;--lime:#d6f77c;--paper:#f4f6fa;--border:#dce2eb}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:white;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}a,button,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #4268ce;outline-offset:5px}.wrap{width:min(1160px,calc(100% - 64px));margin:auto}.demo-strip{padding:10px 24px;background:var(--navy);color:var(--lime);text-align:center;font-size:12px;letter-spacing:1px}.demo-strip span{color:#d9e0ee;letter-spacing:0;margin-left:18px}.header{display:flex;align-items:center;justify-content:space-between;padding-top:26px;padding-bottom:26px;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;line-height:1.35}.brand-icon{background:var(--navy);color:var(--lime);width:44px;height:44px;border-radius:12px;font-family:Georgia,serif;font-size:30px;text-align:center}.brand small{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:4px}nav{display:flex;align-items:center;gap:28px;font-size:14px}nav a:hover{color:#416010}.nav-cta{border:1px solid var(--border);padding:10px 18px;border-radius:8px}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:68px;padding-top:55px;padding-bottom:76px;align-items:center}.eyebrow{font-size:12px;letter-spacing:1.7px;font-weight:700;margin-bottom:20px;color:var(--muted)}.hero .eyebrow{display:flex;align-items:center;gap:10px}.line{width:28px;height:2px;background:var(--ink)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(48px,5.1vw,68px);line-height:1.05;letter-spacing:-2.8px;margin-bottom:26px;font-weight:700}em{font-style:normal;color:#557724}h2{font-size:clamp(30px,3.5vw,44px);line-height:1.15;letter-spacing:-1.5px;margin-bottom:28px}h3{font-size:22px;line-height:1.3;letter-spacing:-.5px}p{color:var(--muted)}.hero-copy>p{font-size:18px;max-width:460px;margin-bottom:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:13px 24px;font-weight:700;font-size:15px;border-radius:8px;border:0;cursor:pointer;transition:transform .15s,background .15s}.button:hover{transform:translateY(-2px)}.lime{background:var(--lime);color:var(--navy)}.lime:hover{background:#c4ee5b}.navy{background:var(--navy);color:white}.outline{background:white;border:1px solid var(--border);color:var(--navy)}.hero-note{margin-top:14px;font-size:12px;color:var(--muted)}.math-board{position:relative;background:var(--navy);color:white;border-radius:18px;padding:26px 30px 30px;transform:rotate(-2deg);box-shadow:0 22px 50px #151f3718}.board-heading{display:flex;justify-content:space-between;font-size:11px;letter-spacing:1.6px;color:#bcc8dd}.equation{font-family:Georgia,serif;font-size:30px;margin-top:28px;white-space:nowrap;letter-spacing:-1px}.equation span{color:var(--lime)}.graph{display:block;width:100%;margin:10px 0 12px}.board-foot{display:flex;gap:14px;align-items:center;font-size:14px;line-height:1.45;color:#c4cede}.board-foot b{color:white}.check{color:var(--lime);font-size:30px}.paper-note{position:absolute;right:-22px;bottom:24px;background:var(--lime);color:var(--navy);transform:rotate(7deg);padding:18px 20px;box-shadow:0 7px 16px #0002;font-family:Georgia,serif;font-size:21px;border-radius:3px}.paper-note small{display:block;font:11px Arial,sans-serif;margin-top:5px}.subject-strip{border-block:1px solid var(--border)}.subject-strip .wrap{display:flex;justify-content:space-between;gap:24px;padding-block:22px;font-size:14px;font-weight:700}.section{padding-block:88px}.about{display:grid;grid-template-columns:1fr 1.2fr;gap:90px}.lead{font-size:23px;line-height:1.5;color:var(--ink)}.profile-mark{font-family:Georgia,serif;font-size:38px;display:flex;align-items:center;gap:18px;margin-top:32px}.profile-mark span{font:12px Arial,sans-serif;color:var(--muted);max-width:140px}.inline-note{border-left:2px solid #91b744;padding-left:16px;color:var(--muted);font-size:12px;line-height:1.6;margin-top:28px}.tinted{background:var(--paper)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:32px}.section-heading h2{margin-bottom:0}.section-heading>p{font-size:14px;margin-bottom:5px}.cards{display:grid;gap:20px}.three{grid-template-columns:repeat(3,1fr)}.two{grid-template-columns:repeat(2,1fr)}.course{background:white;padding:30px;border:1px solid var(--border);border-radius:12px;display:flex;flex-direction:column}.card-number{color:#7d8aa0;font-size:14px;margin-bottom:32px}.course p{font-size:14px;flex:1}.course a{display:flex;justify-content:space-between;border-top:1px solid var(--border);padding-top:18px;margin-top:18px;font-weight:700;font-size:14px}.course a span{font-size:22px;line-height:1}.course a:hover{color:#557724}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:42px}.steps article{border-top:1px solid var(--border);padding-top:22px}.steps span{display:block;color:#557724;font-size:14px;margin-bottom:18px}.steps h3{font-size:19px}.steps p{font-size:14px}.results{background:var(--navy);color:white}.results .eyebrow{color:#bac6da}.results .cards article{border-top:1px solid #ffffff30;padding-top:28px}.result-label{font-size:11px;letter-spacing:1px;color:var(--lime);margin-bottom:20px}.results .cards p{font-size:14px;color:#bdc8db}.results-note{font-size:12px;color:#bdc8db;margin-top:32px;margin-bottom:0}.tag{color:var(--lime);border:1px solid #ffffff38;padding:8px 12px;border-radius:6px;font-size:12px!important;max-width:255px}.light-tag{color:var(--muted);border-color:var(--border)}.quote{margin:0;background:var(--paper);border-radius:12px;padding:32px}.quote-symbol{font:50px Georgia,serif;color:#60872a;height:43px}blockquote{margin:0 0 28px;font-size:21px;line-height:1.5}figcaption{border-top:1px solid var(--border);padding-top:18px;font-size:14px}figcaption span{display:block;font-size:12px;color:var(--muted);margin-top:4px}.price-cards article{position:relative;background:white;border:1px solid var(--border);padding:30px;border-radius:12px;display:flex;flex-direction:column}.price-cards .featured{background:var(--lime);border-color:var(--lime)}.price{font-size:36px;font-weight:700;letter-spacing:-1.2px}.price span{font-size:12px;letter-spacing:0;font-weight:400;display:block;color:var(--muted)}ul{list-style:none;padding:0;margin:24px 0 30px;flex:1;font-size:14px}li{padding:9px 0;border-bottom:1px solid #151f3714}.price-badge{position:absolute;top:-13px;left:25px;background:var(--navy);color:white;font-size:10px;letter-spacing:1px;padding:5px 10px;border-radius:4px}.small-note{font-size:12px;margin:24px 0 0}.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}details{border-bottom:1px solid var(--border);padding:20px 0}details:first-child{padding-top:0}summary{font-weight:700;cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px}summary::-webkit-details-marker{display:none}summary:after{content:'+';font-size:24px;font-weight:400}details[open] summary:after{content:'−'}details p{font-size:14px;margin:16px 28px 0 0}.request-section{background:var(--navy);color:white}.request-grid{display:grid;grid-template-columns:1fr 1fr;gap:88px}.request-section .eyebrow,.request-section p{color:#bac6da}.request-section em{color:var(--lime)}.contact-box{border-top:1px solid #ffffff25;margin-top:55px;padding-top:25px}.contact-box h3{font-size:16px}.contact-box p{font-size:14px}.contact-box span{font-size:20px;color:var(--lime);overflow-wrap:anywhere}.contact-box small{display:block;color:#bac6da;font-size:12px;max-width:350px;margin-top:12px}form{background:white;color:var(--ink);border-radius:14px;padding:30px}.form-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.form-heading h3{font-size:20px;margin-bottom:10px}.form-heading span{font-size:10px;letter-spacing:1px;background:var(--paper);padding:5px 8px;border-radius:4px;white-space:nowrap}.request-section .form-warning{color:var(--muted);font-size:12px;margin-bottom:24px}label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}label span{font-weight:400;font-size:12px}input,select,textarea{display:block;width:100%;min-width:0;background:#f8f9fb;border:1px solid var(--border);border-radius:6px;padding:11px 12px;margin-bottom:18px;color:var(--ink);font-size:16px}textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}form .button{width:100%}.request-section .form-privacy{font-size:12px;color:var(--muted);margin:12px 0 0}#form-status{margin-top:18px;padding:14px;background:#eff7df;border-radius:6px;color:#324c13;font-size:14px}.footer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:30px}.footer .brand{font-size:14px}.footer p{font-size:12px;margin:0}.footer>a:last-child{font-size:14px}.skip{position:absolute;top:-80px;left:20px;background:white;padding:12px;z-index:10}.skip:focus{top:10px}
@media(max-width:1000px){.hero{gap:32px}h1{font-size:54px}.equation{font-size:25px}.paper-note{right:-8px;font-size:17px;padding:14px}.about{gap:40px}.course,.price-cards article{padding:24px}.request-grid{gap:40px}.steps{grid-template-columns:repeat(2,1fr)}.faq{gap:40px}.brand small{max-width:210px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.demo-strip{font-size:10px;padding:9px 20px}.demo-strip span{display:block;font-size:11px;margin:3px 0 0}.header{padding-block:20px;flex-wrap:wrap}.brand{font-size:14px}.brand small{font-size:11px}.menu-toggle{display:block;background:white;border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:14px}nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0}nav.open{display:flex}nav a{padding:12px 0}.nav-cta{padding:12px!important;text-align:center;margin-top:5px}.hero{grid-template-columns:1fr;padding-top:30px;padding-bottom:55px;gap:40px}h1{font-size:clamp(43px,9vw,64px);letter-spacing:-2px}.hero-copy>p{font-size:17px}.hero-note{font-size:12px}.math-board{max-width:500px;width:calc(100% - 10px);margin:0 auto;padding:24px}.equation{font-size:clamp(23px,6vw,32px)}.paper-note{right:-9px;bottom:20px;font-size:18px}.graph{max-height:260px}.subject-strip .wrap{display:grid;grid-template-columns:1fr 1fr;font-size:12px;gap:12px}.section{padding-block:56px}.about,.faq,.request-grid{grid-template-columns:1fr;gap:28px}h2{font-size:34px;letter-spacing:-1px}.lead{font-size:20px}.profile-mark{margin-top:20px}.section-heading{display:block;margin-bottom:26px}.section-heading>p{margin-top:20px}.three,.two{grid-template-columns:1fr}.cards{gap:16px}.course{padding:26px}.card-number{margin-bottom:20px}.course h3 br{display:none}.steps{gap:22px}.steps h3{font-size:18px}.quote{padding:26px}blockquote{font-size:20px}.price-cards{gap:26px}.price-cards article{padding:28px}.price span{display:inline;font-size:12px}.contact-box{margin-top:30px}.request-grid{gap:36px}form{padding:24px}.form-heading{display:block}.form-heading span{display:inline-block;margin-bottom:15px}.form-row{grid-template-columns:1fr;gap:0}.footer{flex-wrap:wrap;gap:20px}.footer p{width:100%;order:3}.footer .brand{font-size:12px}.footer>a:last-child{font-size:12px}.eyebrow{font-size:11px}.steps p{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}.button:hover{transform:none}}
