/* Math uses the homepage's fonts, palette, content width and paper details. */
.math-page{--muted:#496553;--line:#d7e1cd;--white:#fffdf7}
.math-page h2{font:900 clamp(34px,3.4vw,49px)/1.12 Nunito;letter-spacing:-1.5px;margin:0 0 22px;text-wrap:balance}
.math-page h3{font:900 29px/1.18 Nunito;letter-spacing:-.7px;margin:0 0 17px;text-wrap:balance}
.math-page p{line-height:1.7}.math-page img{max-width:100%}.math-page .eyebrow{font:800 13px/1.5 Nunito;letter-spacing:.15px;margin:0 0 16px}
.math-page header{padding-bottom:21px}.breadcrumb{max-width:1210px;margin:0 auto 23px;padding:0 35px;display:flex;justify-content:flex-start;gap:18px;font-size:13px;font-weight:600;color:var(--muted)}.breadcrumb>span{border-left:1px solid #c5d3bb;padding-left:18px}.breadcrumb a:hover{text-decoration:underline;text-underline-offset:4px}
.math-page .math-hero{min-height:590px;grid-template-columns:1fr 1fr;overflow:visible;position:relative}.math-page .math-hero .copy{padding:46px 40px 48px 44px;position:relative;z-index:2}.math-hero h1{font-size:clamp(45px,4.65vw,64px);letter-spacing:-2.1px;line-height:1.08;margin-bottom:24px}.math-hero .lead{font-size:18px;max-width:475px;margin-bottom:26px}.math-hero .actions{gap:18px}.math-hero .secondary{font-size:13px}.math-hero .price{margin-top:23px}.marker{position:relative;display:inline-block;z-index:0;white-space:nowrap}.marker:after{content:"";position:absolute;inset:65% -5px 2%;z-index:-1;background:#ffe18b;border-radius:5px 12px 8px 6px;transform:rotate(-1deg)}
.math-hero-art{position:relative;min-width:0;margin:0;align-self:center;padding:73px 32px 55px 10px;isolation:isolate}.math-handnote{display:block;font:600 30px/1.1 Caveat;transform:rotate(-3deg);color:var(--ink)}.math-hero-art>.math-handnote{position:absolute;left:34px;top:15px;max-width:90%}.hero-screen-stack{position:relative;isolation:isolate;padding:0 0 0 0}.hero-paper{position:absolute;inset:-16px -5px -30px -16px;background:#c9e39b;border-radius:30px;transform:rotate(-5deg);z-index:-1}.math-hero-art .screen-button{padding:10px 10px 12px;transform:rotate(2deg);border-radius:24px;box-shadow:0 8px 24px #224b3b0b}.math-hero-art .screen-button img{aspect-ratio:1280/720;object-fit:contain;border-radius:14px 14px 5px 5px}.math-hero-art .screen-bottomline{font-size:11px;padding-inline:4px}.math-score{position:absolute;left:0;bottom:-55px;padding:15px 22px;background:#ffe18b;border-radius:13px 20px 14px 17px;transform:rotate(-7deg);z-index:3}.math-score strong{display:block;font:900 35px/1.05 Nunito;letter-spacing:-1px}.math-score span{font:600 12px Nunito;display:block;margin-top:5px}.math-hero-art figcaption{margin:53px 6px 0;font-size:11px;text-align:right;color:var(--muted)}
.article-nav{display:flex;gap:23px;align-items:center;justify-content:flex-start;flex-wrap:wrap;max-width:1122px;margin:30px auto 0;padding:0 0 24px;border-bottom:1px solid var(--line);font-size:13px}.article-nav>span{color:var(--muted);font-weight:600;margin-right:4px}.article-nav a{font-weight:800;padding:5px 0;position:relative}.article-nav a:hover:after{content:"";position:absolute;left:0;right:0;bottom:0;border-bottom:2px solid #91b65f}
.math-section{max-width:1210px;padding:0 44px;margin:80px auto;scroll-margin-top:28px}.format-section,.desmos-section,.timing-section{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.section-copy{min-width:0;max-width:545px}.section-copy p{font-size:17px;margin-bottom:18px}.text-link{font-weight:800;text-decoration:underline;text-underline-offset:4px;text-decoration-color:#8baf64}.source-link{display:inline-block;font-size:12px;font-weight:700;color:var(--muted);text-decoration:underline;text-underline-offset:4px;margin-top:3px;line-height:1.6}.text-link:hover,.source-link:hover{color:#173f2e;text-decoration-color:currentColor}.section-heading{max-width:720px;margin-bottom:42px}.section-heading>p:last-child{font-size:17px;color:var(--muted);max-width:670px;margin:0}
.format-visual{min-width:0;margin:0;padding:0 8px}.module-map{display:flex;align-items:center;justify-content:center;gap:18px;margin:0 0 31px}.module-map>div{flex:1;border-left:3px solid #8dac64;padding:0 0 0 16px}.module-map>div>span{font-size:12px;font-weight:800;display:block;margin-bottom:5px}.module-map strong{display:block;font-weight:900;font-size:25px;letter-spacing:-.6px}.module-map small{display:block;font-size:13px;margin-top:4px}.module-arrow{font:500 30px Caveat}.bluebook-stack{position:relative;isolation:isolate}.bluebook-paper{position:absolute;inset:0 2px -10px -8px;background:#cce3f4;border-radius:24px;transform:rotate(-4deg);z-index:-1}.format-visual .screen-button{padding:9px;border-radius:20px;transform:rotate(2deg)}.format-visual .screen-button img{aspect-ratio:990/620;width:100%;height:auto}.format-visual figcaption{font-size:11px;color:var(--muted);text-align:center;margin-top:26px;line-height:1.6}
.domains-section{margin-top:86px;margin-bottom:79px}.domains-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px}.domain{min-width:0;position:relative;border-top:1px solid var(--line);padding-top:22px}.domain-number{display:block;font:700 21px Caveat;color:#577e3d;margin-bottom:11px}.domain h3{font-size:22px;letter-spacing:-.5px;min-height:52px;margin-bottom:13px}.domain p{font-size:15px;line-height:1.75;margin-bottom:17px}.domain-example{font-size:12px;font-weight:800;display:block;color:var(--muted)}.domain-doodle{height:94px;margin-bottom:23px;width:150px;background:#edf3e3;border-radius:54% 46% 52% 48%;display:flex;align-items:center;justify-content:center;transform:rotate(-3deg)}.domain-doodle>span{font:600 26px Caveat;white-space:nowrap}.domain:nth-child(2) .domain-doodle{background:#fff1ba;transform:rotate(3deg)}.domain:nth-child(3) .domain-doodle{background:#e2edf4}.domain:nth-child(4) .domain-doodle{background:#edf3e3;transform:rotate(4deg)}.domain-doodle svg{width:132px;height:85px}.data-doodle{gap:9px;align-items:flex-end;padding:20px 34px}.data-doodle>span{width:17px;background:#577f46;border-radius:5px 5px 0 0}.domains-section>.source-link{margin-top:28px}
.examples-section{background:#edf3e3;margin:0;scroll-margin-top:0;border-radius:0;padding:63px 0 48px}.examples-inner{max-width:1210px;margin:auto;padding:0 44px}.example-row{display:grid;grid-template-columns:.7fr 1fr;gap:90px;align-items:start;margin:46px 0 0}.example-context{padding-top:24px;min-width:0}.example-context h3{font-size:33px}.example-context p{font-size:16px;max-width:355px;line-height:1.75}.example-handnote{position:relative;font:600 27px/1.1 Caveat;display:block;transform:rotate(-4deg);margin:30px 0 0 10px;max-width:260px}.example-handnote svg{position:absolute;width:80px;right:-25px;top:20px;transform:rotate(-15deg)}.example-workspace{min-width:0}.practice-card{background:#fff;border:1px solid #cdd6d0;border-radius:18px;box-shadow:0 7px 24px #224b3b09;overflow:hidden;color:#232b2c;margin:0}.practice-top{display:flex;gap:16px;justify-content:space-between;background:#e8eff8;color:#314058;font:700 10px/1.5 Nunito;padding:12px 22px}.question-toolbar{margin:23px 25px 17px;display:flex;align-items:center;gap:14px;border-bottom:3px double #373e3f;padding-bottom:12px}.question-number{background:#252b2c;color:#fff;font:800 17px Nunito;padding:5px 11px}.review-toggle{border:0;background:none;color:#3f4849;display:inline-flex;gap:8px;align-items:center;cursor:pointer;padding:4px;font:600 12px Nunito;min-height:38px}.review-toggle svg{width:15px;height:19px}.review-toggle[aria-pressed=true]{color:#224b3b;background:#fff1ba;border-radius:5px}.review-toggle[aria-pressed=true] svg{fill:#ffe18b}.practice-card fieldset{border:0;min-width:0;padding:0 25px;margin:0}.practice-card legend{float:left;width:100%;font:400 19px/1.6 Georgia,serif;letter-spacing:0;padding:0 0 19px}.answer-option{display:flex;align-items:center;gap:13px;width:100%;clear:both;position:relative;min-height:48px;border:1px solid #879095;border-radius:8px;margin-bottom:10px;padding:9px 13px;cursor:pointer;font:400 19px/1.4 Georgia,serif}.answer-option input{position:absolute;opacity:0;width:1px;height:1px}.answer-letter{width:28px;height:28px;border:1.5px solid #657176;border-radius:50%;display:flex;align-items:center;justify-content:center;font:700 16px Nunito;flex:none}.answer-option:has(input:checked){background:#edf3fd;border-color:#4267b6;box-shadow:inset 0 0 0 1px #4267b6}.answer-option:has(input:checked) .answer-letter{background:#4267b6;color:#fff;border-color:#4267b6}.answer-option:has(input:focus-visible){outline:3px solid #224b3b;outline-offset:3px}.answer-option:hover{background:#f6f8fc}.answer-option.correct{background:#edf5e8;border-color:#527940}.answer-option.correct .answer-letter{background:#527940;color:#fff;border-color:#527940}.answer-option.incorrect{border-color:#9c5e42;background:#fff7f0}.practice-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:14px;padding:15px 25px;background:#f1f4f8;font:700 11px Nunito}.check-answer{border:0;border-radius:30px;min-height:40px;padding:9px 17px;color:#fff;background:#314bb4;font:800 12px Nunito;cursor:pointer}.check-answer:hover{background:#223b9d}.check-answer[hidden]{display:none}.answer-feedback{margin:15px 25px 0;font:700 13px/1.6 Nunito;color:#385a31}.answer-feedback[data-result=incorrect]{color:#875032}.answer-feedback[hidden]{display:none}.solution{margin-top:12px;background:#fffdf7;border:1px solid #d8e0cc;border-radius:14px;overflow:hidden}.solution>summary{list-style:none;cursor:pointer;font:800 14px/1.5 Nunito;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:56px}.solution>summary::-webkit-details-marker{display:none}.solution>summary:after{content:'+';font:500 23px/1 Nunito;flex:none}.solution[open]>summary:after{content:'−'}.solution[open]>summary{border-bottom:1px solid #e5e9db}.solution-body{padding:22px}.solution-body p{font-size:15px;line-height:1.75;margin:0 0 17px}.solution-body p:last-child{margin:0}.equation-steps{display:flex;flex-direction:column;gap:10px;font:400 20px Georgia,serif;padding:18px 22px;border-left:3px solid #9ebd77;background:#f0f5e8;margin-bottom:20px}.equation-steps strong{font-weight:700}.solution-body .screen-button{transform:none;padding:7px;border:1px solid #e0e5d9;border-radius:12px;margin:20px 0}.solution-body .screen-button img{border-radius:7px}.solution-body .screen-bottomline{font-size:10px}.second-example{border-top:1px solid #d3dec5;padding-top:40px;margin-top:40px}.written-question{padding:0 25px}.written-question>p{font:400 19px/1.6 Georgia,serif;margin-bottom:23px}.written-question .question-equation{text-align:center;margin:24px 0 30px;font-size:22px}.response-label{display:block;font:600 11px Nunito;margin-bottom:8px}.response-input{display:block;width:120px;max-width:100%;height:48px;background:#fff;border:1.5px solid #657176;border-radius:5px;padding:8px 12px;font:400 22px Georgia,serif;color:#232b2c}.response-input:focus-visible{outline:3px solid #224b3b;outline-offset:4px}.written-question small{display:block;font:500 11px Nunito;color:#606c73;margin:9px 0 13px}.original-note{font-size:11px;line-height:1.6;margin:24px 0 0;text-align:right;color:var(--muted)}
.desmos-section{margin-top:85px;margin-bottom:82px;grid-template-columns:1fr 1fr;gap:65px}.desmos-feature{margin:0;padding:40px 10px 0;min-width:0;position:relative}.desmos-feature>.math-handnote{position:absolute;top:-3px;left:21px;font-size:29px}.desmos-paper-stack{position:relative;isolation:isolate}.desmos-paper-stack:before{content:'';position:absolute;inset:-5px 1px -10px -9px;border-radius:24px;background:#c9e39b;transform:rotate(4deg);z-index:-1}.desmos-paper-stack .screen-button{transform:rotate(-2deg);padding:9px}.desmos-sticky{position:absolute;right:17px;bottom:-21px;background:#fff1ba;transform:rotate(5deg);padding:11px 17px;border-radius:5px 12px 8px 5px;font:600 23px/1 Caveat;pointer-events:none}.desmos-feature figcaption{margin:37px 0 0;font-size:11px;color:var(--muted);line-height:1.6}.desmos-section .secondary{display:inline-block;margin-top:7px}
.plan-section{margin-top:82px;margin-bottom:77px}.plan-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:78px;align-items:start}.study-steps{list-style:none;counter-reset:study;padding:0;margin:0}.study-steps li{counter-increment:study;position:relative;padding:0 0 25px 64px;margin-bottom:21px;border-bottom:1px solid var(--line)}.study-steps li:last-child{margin-bottom:0;padding-bottom:0;border:0}.study-steps li:before{content:counter(study,decimal-leading-zero);position:absolute;left:0;top:0;width:40px;height:39px;border-radius:11px 14px 10px 13px;background:#fff1ba;display:flex;align-items:center;justify-content:center;font:600 23px Caveat;transform:rotate(-5deg)}.study-steps h3{font-size:23px;margin:0 0 9px}.study-steps p{font-size:15px;line-height:1.75;margin:0;color:var(--muted)}.study-notebook{position:relative;background:repeating-linear-gradient(0deg,transparent,transparent 30px,#d6e0cc77 31px,#d6e0cc77 32px),#fffdf7;border:1px solid #d9e2cd;border-radius:8px 17px 10px 12px;padding:35px 31px 28px;margin:18px 6px 0;box-shadow:0 7px 24px #224b3b09;transform:rotate(2deg)}.study-notebook:before{content:'';position:absolute;top:0;bottom:0;left:21px;border-left:1px solid #d5bca866}.notebook-tab{position:absolute;top:-20px;right:25px;padding:7px 22px;background:#ffe18b;border-radius:3px 4px 1px 3px;transform:rotate(-5deg);font:600 22px Caveat}.notebook-kicker{font:700 10px Nunito;color:var(--muted);display:block;margin-bottom:11px}.study-notebook h3{font-size:28px;margin-bottom:23px}.notebook-entry{margin-bottom:17px}.notebook-entry>span{display:block;font:800 11px Nunito;color:#657659;margin-bottom:3px}.notebook-entry p{font:700 18px/1.6 Caveat;margin:0;letter-spacing:.1px}.notebook-handwritten{font:600 26px/1.15 Caveat;transform:rotate(-4deg);margin:23px 0 26px!important;background:#fff1ba;width:fit-content;padding:3px 8px}.study-notebook .text-link{font-size:11px;line-height:1.7;display:inline-block;background:#fffdf7}.math-contact{display:flex;align-items:center;justify-content:space-between;gap:34px;padding:28px 33px;background:#eaf2dd;border-radius:24px;margin-top:47px}.math-contact h3{font-size:25px;margin-bottom:7px}.math-contact p{font-size:15px;color:var(--muted);margin:0;max-width:590px}.math-contact .cta{flex:none}
.timing-section{margin-top:78px;margin-bottom:74px}.timing-flow{position:relative;padding:34px 18px 0;max-width:400px;margin:0 auto;width:100%}.timing-flow>.math-handnote{position:absolute;top:-15px;left:25px;font-size:26px;white-space:nowrap}.timing-flow>div{display:flex;align-items:center;gap:17px;background:#fffdf7;border:1px solid #d9e2cd;padding:17px 20px;border-radius:16px;position:relative}.timing-flow>div:nth-of-type(2){transform:rotate(-2deg);background:#fff1ba;border-color:#ede0ad}.timing-flow>div:nth-of-type(3){transform:rotate(2deg);background:#eaf2dd}.flow-number{font:700 28px Caveat;width:24px;flex:none}.timing-flow strong{font-size:16px;line-height:1.4;flex:1}.timing-flow svg{width:30px;height:30px;flex:none}.flow-arrow{display:block;text-align:center;font:500 26px Caveat;line-height:1.2;margin:5px 0}
.math-about{margin-top:75px;margin-bottom:72px;grid-template-columns:1.2fr .8fr;gap:54px;padding:45px 50px}.math-about .about-copy{max-width:610px}.math-about h2{color:#fff9e9}.math-about .eyebrow{color:#cbdcc4}.math-about .about-copy p{font-size:16px;line-height:1.7}.math-about .lesson-facts{border-top:1px solid #567662;padding-top:21px;margin-top:23px;font-size:13px}.math-about .lesson-facts strong{font-size:15px}.math-about .about-score{width:200px}.math-about .about-score>strong{font-size:33px;white-space:nowrap}.math-about .about-portrait{max-width:300px}
.math-faq{display:grid;grid-template-columns:280px minmax(0,1fr);margin-bottom:70px}.math-faq h2{font-size:33px;max-width:none}.math-faq .eyebrow{font-size:11px;margin-bottom:15px}.math-faq .faq-list summary:after{content:'+'}.math-faq .faq-list details[open] summary:after{content:'−'}
.math-page .math-booking{max-width:1210px;margin:0 auto 63px;display:grid;grid-template-columns:1.35fr .65fr;padding:40px 51px 38px;border-radius:32px;background:#eaf2dd;gap:60px;align-items:center;scroll-margin-top:25px}.math-booking h2{margin-bottom:21px}.math-booking p{max-width:600px;font-size:17px}.math-booking .booking-price{margin:23px 0}.math-booking .booking-price strong{font-size:24px}.math-booking .booking-price small{margin-top:5px;font-size:12px}.math-booking .actions{gap:25px}.math-booking .booking-confirmation{font-size:12px;margin:21px 0 0;color:var(--muted);max-width:540px}.booking-illustration{position:relative;width:100%;max-width:270px;margin:auto;padding:38px 7px 36px;transform:rotate(4deg)}.booking-illustration>svg{width:100%;height:auto;display:block}.booking-handnote{position:absolute;top:9px;left:0;font:600 28px Caveat;transform:rotate(-8deg);white-space:nowrap}.booking-note-bottom{position:absolute;right:-5px;bottom:0;font:600 24px/1.1 Caveat;transform:rotate(-7deg);background:#ffe18b;border-radius:4px 12px 5px 8px;padding:12px 20px}
.math-sources{max-width:1210px;margin:0 auto 45px;padding:0 44px;color:var(--muted)}.math-sources h2{font-size:17px;letter-spacing:0;font-weight:800;margin:0 0 12px}.math-sources p{font-size:12px;max-width:750px;margin-bottom:15px}.math-sources>div{display:flex;gap:10px 24px;flex-wrap:wrap}.math-sources a{font-size:11px;font-weight:700;text-decoration:underline;text-underline-offset:4px;line-height:1.7}.math-page .site-footer{gap:25px}.math-page .site-footer a:hover{text-decoration:underline;text-underline-offset:4px}
@media(min-width:1500px){.math-page .math-hero{min-height:610px}}
@media(max-width:1100px){.breadcrumb{margin-inline:25px;padding:0 0 0 15px}.math-page .math-hero{margin-inline:25px;min-height:550px}.math-page .math-hero .copy{padding:36px 30px}.math-hero h1{font-size:53px}.math-hero .lead{font-size:17px}.math-hero-art{padding:75px 25px 50px 8px}.math-hero-art>.math-handnote{font-size:26px;left:22px;top:24px}.math-score strong{font-size:30px}.math-score{padding:13px 18px}.math-hero-art figcaption{font-size:10px;max-width:260px;margin-left:auto}.article-nav{margin-inline:55px;gap:19px}.math-section{margin:65px 25px;padding:0 30px}.math-page h2{font-size:42px}.format-section,.desmos-section,.timing-section{gap:40px}.domains-grid{gap:23px}.domain h3{font-size:20px}.domain p{font-size:14px}.examples-inner{padding:0 55px}.example-row{gap:50px;grid-template-columns:.65fr 1fr}.example-context h3{font-size:30px}.example-context p{font-size:15px}.example-handnote{font-size:24px;max-width:210px}.example-handnote svg{width:60px;right:-11px}.plan-layout{gap:42px}.study-notebook{padding:32px 25px}.math-contact{padding:25px}.math-contact h3{font-size:23px}.math-contact p{font-size:14px}.math-about{margin-inline:25px;padding:39px 35px;gap:38px}.math-about .about-copy p{font-size:15px}.math-faq{margin-inline:25px;grid-template-columns:230px 1fr;padding:30px;gap:30px}.math-faq h2{font-size:30px}.math-page .math-booking{margin-inline:25px;padding:35px;gap:40px}.math-sources{margin-inline:25px;padding:0 30px}.booking-handnote{font-size:25px}.timing-flow>.math-handnote{font-size:24px}}
@media(max-width:900px) and (min-width:761px){.math-hero h1{font-size:46px}.math-page .math-hero .copy{padding:33px 25px}.math-hero .lead{font-size:16px}.math-hero-art{padding-left:0;padding-right:22px}.math-hero-art>.math-handnote{font-size:24px;max-width:280px}.hero-paper{inset:-10px -2px -24px -10px}.math-hero .actions{gap:15px}.math-hero .cta{font-size:13px;padding-inline:19px}.math-hero .price strong{font-size:17px}.math-section{padding:0 20px}.examples-inner{padding:0 45px}.domains-grid{grid-template-columns:repeat(2,1fr);gap:35px 40px}.domain h3{min-height:0}.domain-doodle{float:right;width:126px;margin:0 0 15px 15px}.domain p{clear:both;font-size:15px}.example-row{gap:32px;grid-template-columns:.6fr 1fr}.example-context h3{font-size:27px}.example-handnote{font-size:22px;max-width:180px;margin-left:0}.practice-card legend,.written-question>p{font-size:17px}.practice-top{padding-inline:18px;font-size:9px}.question-toolbar{margin-inline:18px}.practice-card fieldset,.written-question{padding-inline:18px}.practice-bottom{padding-inline:18px}.study-steps li{padding-left:53px}.study-steps h3{font-size:21px}.study-notebook h3{font-size:24px}.plan-layout{gap:28px}.timing-flow{padding-inline:0}.timing-flow strong{font-size:14px}.timing-flow>div{gap:11px;padding:16px}.math-page h2{font-size:38px}.section-copy p{font-size:16px}.math-about{padding:34px 30px;gap:28px}.math-about .about-score{width:170px;left:-10px}.math-about .about-score>strong{font-size:29px}.math-about .lesson-facts strong{font-size:13px}.math-faq{grid-template-columns:1fr;gap:14px}.math-faq h2 br{display:none}.math-page .math-booking{gap:26px;grid-template-columns:1.4fr .6fr}.booking-handnote{font-size:21px}.booking-note-bottom{font-size:20px}}
@media(max-width:760px){.math-page header{padding:22px 20px 20px}.breadcrumb{margin:0 27px 19px;padding:0;font-size:11px;gap:12px}.breadcrumb>span{padding-left:12px}.math-page .math-hero{display:flex;min-height:0;margin:0 14px;border-radius:27px;overflow:hidden}.math-page .math-hero .copy{padding:30px 26px 27px}.math-hero h1{font-size:48px;line-height:1.08;letter-spacing:-1.8px;margin-bottom:21px}.math-hero .lead{font-size:17px;line-height:1.7;max-width:500px;margin-bottom:25px}.math-page .eyebrow{font-size:12px;margin-bottom:15px}.math-hero .actions{gap:18px;align-items:flex-start;flex-direction:column}.math-hero .secondary{font-size:13px}.math-hero .price{font-size:12px;margin-top:22px}.math-hero .price strong{font-size:17px}.math-hero-art{padding:76px 28px 53px;align-self:stretch;margin:0;min-height:0}.math-hero-art>.math-handnote{font-size:26px;left:31px;top:13px;max-width:calc(100% - 57px)}.hero-paper{inset:-10px -3px -25px -10px;border-radius:25px}.math-hero-art .screen-button{padding:7px;border-radius:17px}.math-hero-art .screen-button img{border-radius:10px 10px 5px 5px}.math-hero-art .screen-bottomline{font-size:9px;gap:9px;padding-top:6px}.math-hero-art .zoom-cue{width:23px;height:23px;font-size:16px}.math-score{left:-2px;bottom:-48px;padding:11px 15px;transform:rotate(-6deg);border-radius:10px 15px 11px 12px}.math-score strong{font-size:27px}.math-score span{font-size:10px}.math-hero-art figcaption{font-size:9px;margin:48px 0 0;max-width:240px;line-height:1.6}.article-nav{margin:22px 28px 0;gap:10px 19px;padding-bottom:21px;font-size:12px}.article-nav>span{flex-basis:100%;font-size:11px}.math-section{margin:52px 0;padding:0 28px;scroll-margin-top:22px}.math-page h2{font-size:36px;letter-spacing:-1.2px;line-height:1.14;margin-bottom:21px}.math-page h3{font-size:27px}.format-section,.desmos-section,.timing-section{display:flex;flex-direction:column;align-items:stretch;gap:29px}.section-copy{max-width:none}.section-copy p{font-size:16px;line-height:1.75;margin-bottom:15px}.source-link{font-size:11px;line-height:1.7}.format-visual{padding:0 5px;margin:0 auto;width:100%;max-width:440px}.module-map{gap:15px;margin:6px 0 27px}.module-map>div{padding-left:13px}.module-map strong{font-size:24px}.module-map>div>span{font-size:11px}.module-map small{font-size:12px}.format-visual .screen-button{padding:7px;border-radius:17px}.format-visual figcaption{font-size:10px;margin-top:22px}.section-heading{margin-bottom:29px}.section-heading>p:last-child{font-size:16px;line-height:1.75}.domains-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:29px 23px}.domain{padding-top:18px}.domain-doodle{width:120px;max-width:100%;height:79px;margin-bottom:17px}.domain-doodle>span{font-size:22px}.domain-doodle svg{width:109px;height:75px}.domain .domain-number{font-size:19px;margin-bottom:8px}.domain h3{font-size:19px;line-height:1.2;min-height:46px;margin-bottom:12px}.domain p{font-size:14px;line-height:1.7;margin-bottom:13px}.domain-example{font-size:10px;line-height:1.65}.domains-section>.source-link{margin-top:25px}.examples-section{padding:41px 0 35px}.examples-inner{padding:0 28px}.example-row{display:flex;flex-direction:column;gap:23px;margin-top:34px}.example-context{padding-top:0;max-width:500px;width:100%}.example-context h3{font-size:29px;line-height:1.18;margin-bottom:14px}.example-context h3 br{display:none}.example-context p{max-width:none;font-size:15px;line-height:1.75;margin:0}.example-context .step-number{margin-bottom:12px}.example-handnote{display:none}.example-workspace{width:100%}.practice-top{padding:11px 16px;font-size:9px;gap:12px}.question-toolbar{margin:19px 17px 16px;gap:10px;padding-bottom:10px}.question-number{font-size:15px;padding:5px 9px}.review-toggle{font-size:11px;gap:7px}.practice-card fieldset{padding:0 17px}.practice-card legend{font-size:18px;line-height:1.65;padding-bottom:17px}.answer-option{min-height:46px;font-size:18px;padding:8px 11px;gap:11px}.answer-letter{font-size:15px;width:27px;height:27px}.practice-bottom{padding:13px 17px;font-size:10px;gap:8px}.check-answer{font-size:11px;padding-inline:13px;min-height:40px}.answer-feedback{font-size:12px;margin-inline:17px}.solution{margin-top:11px}.solution>summary{font-size:13px;padding:17px;gap:12px}.solution-body{padding:18px 17px}.solution-body p{font-size:14px;line-height:1.75}.equation-steps{font-size:19px;padding:16px 18px}.second-example{padding-top:29px;margin-top:32px}.written-question{padding:0 17px}.written-question>p{font-size:18px;line-height:1.65}.written-question .question-equation{font-size:20px;margin:22px 0 27px}.response-input{height:47px;font-size:21px}.original-note{font-size:10px;text-align:left;margin-top:20px}.desmos-section{gap:25px}.desmos-section .section-copy{order:0}.desmos-feature{order:1;max-width:440px;width:100%;margin:10px auto 0;padding:37px 6px 0}.desmos-feature>.math-handnote{font-size:25px;left:12px;top:0}.desmos-feature figcaption{font-size:10px;margin-top:30px}.desmos-sticky{font-size:20px;right:8px;padding:9px 13px;bottom:-17px}.plan-layout{display:flex;flex-direction:column;gap:30px}.study-steps li{padding:0 0 21px 54px;margin-bottom:20px}.study-steps li:before{width:36px;height:36px;font-size:22px}.study-steps h3{font-size:22px;line-height:1.25;margin-bottom:9px}.study-steps p{font-size:14px;line-height:1.75}.study-notebook{margin:10px auto 0;max-width:370px;width:calc(100% - 12px);padding:30px 27px 25px}.study-notebook h3{font-size:26px}.notebook-entry p{font-size:20px}.notebook-handwritten{font-size:25px}.math-contact{display:block;padding:26px 23px;margin:38px -7px 0;border-radius:23px}.math-contact h3{font-size:24px;line-height:1.2;margin-bottom:12px}.math-contact p{font-size:14px;line-height:1.75}.math-contact .cta{margin-top:21px}.timing-section{gap:32px}.timing-flow{max-width:345px;padding:32px 4px 0}.timing-flow>.math-handnote{font-size:24px;top:-8px;left:12px;white-space:normal}.timing-flow>div{padding:16px;gap:13px}.timing-flow strong{font-size:15px}.timing-flow svg{width:26px;height:26px}.math-about{margin:49px 14px 46px;padding:30px 26px;display:flex;flex-direction:column;gap:31px;align-items:stretch}.math-about .about-copy{display:block;max-width:none}.math-about .about-copy p{font-size:16px}.math-about .about-portrait{max-width:245px;margin:0 auto 0}.math-about .about-score{width:179px;left:-9px;padding:12px 15px}.math-about .about-score>strong{font-size:29px}.math-about .lesson-facts{font-size:12px;padding-top:18px;margin-top:19px}.math-about .lesson-facts strong{font-size:13px}.math-faq{margin:0 18px 46px;padding:27px 23px 21px;grid-template-columns:1fr;gap:10px}.math-faq h2{font-size:29px;margin-bottom:13px}.math-faq h2 br{display:none}.math-faq .eyebrow{font-size:11px;margin-bottom:12px}.math-page .math-booking{margin:0 14px 43px;padding:30px 26px;display:block;border-radius:27px}.math-booking p{font-size:16px;line-height:1.75}.math-booking .booking-price{margin:20px 0}.math-booking .booking-price strong{font-size:23px}.math-booking .booking-price small{font-size:12px}.math-booking .actions{gap:21px;align-items:flex-start;flex-direction:column}.math-booking .booking-confirmation{font-size:12px;line-height:1.7;max-width:450px}.booking-illustration{display:none}.math-sources{margin:0 0 32px;padding:0 28px}.math-sources h2{font-size:17px;letter-spacing:0;margin-bottom:12px}.math-sources p{font-size:11px;line-height:1.75}.math-sources>div{flex-direction:column;gap:8px}.math-sources a{font-size:11px;line-height:1.7}.math-page .site-footer{padding-inline:27px}.math-page .site-footer>div{flex-wrap:wrap;gap:20px}}
@media(max-width:360px){.math-page .math-hero .copy{padding-inline:23px}.math-hero h1{font-size:42px}.math-hero .lead{font-size:16px}.math-hero-art{padding-inline:24px}.math-hero-art>.math-handnote{left:26px;font-size:24px}.math-section,.examples-inner{padding-inline:23px}.math-page h2{font-size:32px}.domains-grid{gap:25px 18px}.domain h3{font-size:18px}.domain p{font-size:13px}.domain-doodle{width:112px;height:73px}.practice-top{font-size:8px;padding-inline:14px}.practice-card legend,.written-question>p{font-size:17px}.question-toolbar{margin-inline:14px}.practice-card fieldset,.written-question{padding-inline:14px}.review-toggle{font-size:10px}.practice-bottom{padding-inline:14px}.check-answer{font-size:10px;padding-inline:11px}.math-about{padding-inline:23px}.math-about .about-copy p{font-size:15px}.math-faq{margin-inline:14px;padding-inline:20px}.math-page .math-booking{padding-inline:23px}.math-sources{padding-inline:23px}.article-nav{margin-inline:23px;gap:9px 15px}.timing-flow>.math-handnote{font-size:22px}}
@media(prefers-reduced-motion:reduce){.math-page *{scroll-behavior:auto!important;transition:none!important}}
/* The hero caption sits below the paper instead of behind the score sticker. */
.math-hero-art .screen-bottomline{display:none}
.math-hero-art .screen-button{padding-bottom:10px}
.answer-option.correct:has(input:checked){background:#edf5e8;border-color:#527940;box-shadow:inset 0 0 0 1px #527940}
.answer-option.correct:has(input:checked) .answer-letter{background:#527940;border-color:#527940}
.answer-option.incorrect:has(input:checked){border-color:#9c5e42;background:#fff7f0;box-shadow:inset 0 0 0 1px #9c5e42}
.math-page .screen-dialog-header h2{font:800 18px/1.3 Nunito;letter-spacing:0;margin:0}
.math-page .booking-privacy h2{font:800 27px/1.2 Nunito;letter-spacing:-.5px;margin:0}
@media(max-width:760px){.math-page .breadcrumb>a,.math-page .article-nav>a{display:inline-block}}
@media(max-width:760px){.math-hero h1{font-size:clamp(34px,11.2vw,46px);letter-spacing:-1.4px;max-width:100%}}
@media(max-width:360px){.math-page header{padding-inline:16px;gap:10px}.math-page .brand{font-size:16px;gap:7px;white-space:nowrap}.math-page .brand-logo{width:33px;height:33px}.math-page .brand small{font-size:10px}.math-page nav .nav-button{white-space:nowrap;font-size:11px;padding:10px 11px;min-height:40px}}
.math-about .portrait-window img{left:0;top:0;width:100%;height:100%;object-fit:cover;object-position:100% 45%;transform:rotate(-2deg) scale(1.08)}
.math-booking .cta.calendar-direct{display:inline-flex;color:var(--paper);font:800 15px/1.5 Nunito;text-decoration:none;text-align:center;margin:0}
@media(max-width:760px){.math-booking .cta.calendar-direct{font-size:14px}}
/* Copy revision and layout QA: labels flow above the art on every engine. */
.math-page .math-hero-art{display:flex;flex-direction:column;padding:34px 32px 40px 14px}
.math-page .math-hero-art>.math-handnote{position:static;margin:0 8px 40px;max-width:none;line-height:1.2;transform:rotate(-2deg)}
.math-page .hero-paper{transform:rotate(-2deg);inset:-12px -5px -24px -12px}
.math-page .math-hero-art figcaption{margin:64px 0 0;max-width:none;line-height:1.7}
.math-page .module-map{margin-bottom:52px;gap:20px}
.math-page .format-visual{padding-inline:16px}
.math-page .bluebook-paper{transform:rotate(-1.5deg);inset:1px 2px -9px -8px}
.math-page .format-visual .screen-button{transform:rotate(1deg)}
.math-page .format-visual .screen-button img{aspect-ratio:auto;object-fit:contain}
.math-page .format-visual figcaption{margin-top:24px;line-height:1.7}
.math-page .desmos-feature{display:flex;flex-direction:column;padding:0 12px;gap:0}
.math-page .desmos-feature>.math-handnote{position:static;left:auto;top:auto;margin:0 7px 34px;line-height:1.25;transform:rotate(-2deg)}
.math-page .desmos-paper-stack:before{transform:rotate(1.5deg);inset:-6px 0 -12px -8px}
.math-page .desmos-paper-stack .screen-button{transform:rotate(-1deg)}
.math-page .desmos-feature figcaption{margin:30px 0 0;line-height:1.7}
.math-page .timing-flow{padding-top:0}
.math-page .timing-flow>.math-handnote{position:static;margin:0 4px 26px;line-height:1.25;white-space:normal}
.math-page .timing-flow>div:nth-of-type(2),.math-page .timing-flow>div:nth-of-type(3){transform:none}
.math-page .timing-flow>div:nth-of-type(2) svg{fill:#b54350;stroke:#9e3440}
.math-page .review-toggle[aria-pressed=true]{color:#7f2936;background:#fae9eb}
.math-page .review-toggle[aria-pressed=true] svg{fill:#b54350;stroke:#9e3440}
.math-page .worked-example{transform:rotate(.6deg);padding:39px 32px 28px;margin-top:26px}
.math-page .worked-example .notebook-tab{top:-17px;font-size:22px}
.worked-prompt{font:700 13px/1.7 Nunito;margin:0 0 24px;padding-bottom:17px;border-bottom:1px solid #d7e1cd}
.worked-prompt>span:first-child{font-style:italic}.worked-prompt>span[aria-hidden]{padding:0 5px}
.worked-step{margin-bottom:21px}.worked-step>span,.worked-answer>span{display:block;font:800 11px/1.5 Nunito;color:#5b7056;margin-bottom:8px}
.worked-step p{font:400 23px/1.4 Georgia,serif;margin:0;white-space:nowrap}
.worked-answer{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff1ba;border-radius:8px;padding:12px 16px;margin:4px 0 21px}
.worked-answer>span{margin:0;font-size:12px;max-width:160px}.worked-answer>strong{font:900 32px/1 Nunito}
.worked-caption{font:600 13px/1.7 Nunito;color:#496553;margin:0!important;background:#fffdf7}
.math-page .math-booking{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:38px;padding:38px 36px;align-items:start}
.math-page .math-booking>div:first-child{min-width:0;padding-top:19px}
.math-page .math-booking h2{font-size:42px;margin-bottom:26px}
.math-page .math-booking h2:after{bottom:-10px}
.math-page .math-booking .actions{flex-direction:column;align-items:flex-start;gap:19px}
.math-page .math-booking .calendar-jump{color:var(--paper);text-decoration:none;margin:0;font:800 15px/1.5 Nunito}
.math-page .math-booking .booking-calendar{padding-top:44px;max-width:none}
.math-page .math-booking .booking-calendar:before{inset:44px -4px -6px 4px;transform:rotate(.7deg)}
.math-page .math-booking .booking-note{position:static;display:block;transform:rotate(-2deg);margin:0 12px 26px;font:600 29px/1.15 Caveat;white-space:normal}
.math-page .math-booking .calendar-shell{padding:6px}
.math-page .math-booking .calendar-mount{min-height:510px;overflow:auto;scroll-margin-top:30px}
.math-page .math-booking .calendar-direct{font:700 12px/1.7 Nunito;display:block;margin:15px 6px 0;text-align:right;color:#496553;text-decoration:underline}
.math-page .math-booking .calendar-placeholder{min-height:410px;padding:28px 20px}
.math-page .math-booking .calendar-placeholder p{font-size:14px}
.math-page .math-booking .calendar-status{font-size:12px;line-height:1.7;margin:0;padding:10px}
.math-page .math-booking .booking-confirmation{max-width:none;line-height:1.75}
/* Safari's inline fragments keep actual whitespace; no word spacing hacks. */
.math-page .section-copy,.math-page .about-copy,.math-page .example-context,.math-page .study-steps li,.math-page .math-contact>div{min-width:0}
.math-page .study-steps{list-style:none;display:block}
.math-page .study-steps h3{overflow-wrap:normal}
@media(max-width:1100px){
 .math-page .math-booking{grid-template-columns:1fr;gap:25px;padding:35px}
 .math-page .math-booking>div:first-child{padding-top:0}
 .math-page .math-booking .actions{flex-direction:row;align-items:center;gap:23px}
 .math-page .math-booking .booking-calendar{width:100%;max-width:740px;justify-self:center;padding-top:9px}
 .math-page .math-booking .booking-calendar:before{top:59px}
 .math-page .math-booking .booking-note{margin-bottom:28px}
 .math-page .math-booking h2{font-size:40px}
}
@media(max-width:760px){
 .math-page .math-hero-art{padding:19px 28px 34px}
 .math-page .math-hero-art>.math-handnote{font-size:26px;margin:0 1px 32px}
 .math-page .hero-paper{inset:-9px -2px -20px -9px}
 .math-page .math-hero-art figcaption{margin:58px 0 0;font-size:10px;text-align:right}
 .math-page .module-map{margin:8px 0 39px;gap:15px}
 .math-page .module-map strong{font-size:23px}
 .math-page .format-visual{padding-inline:8px}
 .math-page .format-visual figcaption{margin-top:24px}
 .math-page .desmos-feature{padding:0 8px;margin-top:7px}
 .math-page .desmos-feature>.math-handnote{font-size:25px;margin:0 1px 28px}
 .math-page .desmos-feature figcaption{font-size:10px;margin-top:26px}
 .math-page .timing-flow>.math-handnote{font-size:24px;margin:0 4px 24px}
 .math-page .worked-example{transform:none;padding:32px 27px 25px;margin-top:20px}
 .worked-step p{font-size:23px}.worked-prompt{font-size:12px;line-height:1.8}
 .math-page .math-booking{padding:29px 20px;display:flex;flex-direction:column;gap:31px}
 .math-page .math-booking>div:first-child{width:100%}
 .math-page .math-booking h2{font-size:35px;max-width:none}
 .math-page .math-booking .actions{flex-direction:column;align-items:flex-start;gap:19px}
 .math-page .math-booking .calendar-jump{font-size:14px}
 .math-page .math-booking .booking-calendar{margin:0 -6px;width:calc(100% + 12px);padding-top:0}
 .math-page .math-booking .booking-note{font-size:25px;margin:0 12px 23px}
 .math-page .math-booking .booking-calendar:before{top:50px;left:4px;right:0;bottom:0;transform:none}
 .math-page .math-booking .calendar-shell{padding:4px;border-radius:20px}
 .math-page .math-booking .calendar-mount{min-height:485px;border-radius:15px}
 .math-page .math-booking .calendar-direct{font-size:11px;text-align:left;margin:16px 5px 0}
 .math-page .math-booking .calendar-placeholder{padding:27px 18px;min-height:375px}
 .math-page .math-booking .calendar-placeholder h3{font-size:23px}
 .math-page .math-booking .calendar-placeholder p{font-size:13px}
}
@media(max-width:360px){
 .math-page .math-hero-art{padding-inline:24px}
 .math-page .math-hero-art>.math-handnote{font-size:24px}
 .math-page .module-map{gap:12px}.math-page .module-map strong{font-size:21px}
 .math-page .module-map>div{padding-left:10px}
 .math-page .math-booking h2{font-size:31px}
 .worked-step p{font-size:21px}.worked-prompt{font-size:11px}
 .math-page .worked-example{padding-inline:24px}
}

.math-page .external-arrow{display:inline-block;width:14px;height:14px;vertical-align:-1px;margin-left:4px;flex:none}
.math-page .zoom-cue .external-arrow{width:17px;height:17px;margin:0;vertical-align:middle}
.math-page #terminy{scroll-margin-top:25px}
.math-page .math-booking .calendar-shell{max-width:490px;margin-inline:auto}
.math-page .math-booking .booking-note,.math-page .math-booking .calendar-direct{max-width:490px;margin-inline:auto}
@media(max-width:760px){.math-page .math-booking .booking-note{margin-inline:12px}.math-page .math-booking .calendar-direct{margin-inline:5px}}