@charset "UTF-8";
:root{--navy:#103f63;--ink:#132e43;--yellow:#ffd249;--muted:#586a77;--line:#dce4e9;--pale:#f2f6f8;--teal:#117d78;--radius:8px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65}a{color:inherit}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid #087caa;outline-offset:5px}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.header{background:#fff;border-bottom:1px solid var(--line)}.nav{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{font-weight:800;font-size:25px;text-decoration:none;letter-spacing:-1px;display:inline-flex;align-items:center;gap:9px;white-space:nowrap}.brand-icon{height:29px;width:29px;background:var(--navy);color:var(--yellow);line-height:26px;text-align:center;border-radius:6px;font-size:25px}.brand-dot{color:#9a7000;margin-left:-8px}.nav nav{display:flex;gap:30px}.nav nav a{text-decoration:none;font-size:14px;font-weight:600}.nav nav a:hover,.text-link:hover{text-decoration:underline;text-underline-offset:5px}.button{display:inline-flex;justify-content:center;align-items:center;gap:22px;background:var(--yellow);color:#172e3f;border:1px solid var(--yellow);padding:17px 23px;font-size:16px;line-height:1.35;text-decoration:none;font-weight:750;border-radius:5px;transition:background .18s,transform .18s}.button:hover{background:#ffe183;transform:translateY(-2px)}.button-small{font-size:14px;padding:12px 19px}.hero{background:var(--pale);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:62px;align-items:center;padding-top:64px;padding-bottom:67px}.eyebrow{font-size:12px;line-height:1.5;font-weight:800;text-transform:uppercase;letter-spacing:2px;margin:0 0 22px;color:var(--teal)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(44px,4.5vw,65px);line-height:1.08;letter-spacing:-2.8px;margin-bottom:26px;font-weight:750}h1 em,h2 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;color:var(--teal)}.lead{font-size:19px;line-height:1.65;max-width:535px;margin-bottom:18px}.hero-sub{color:var(--muted);font-size:16px;max-width:520px;margin-bottom:27px}.hero-sub strong{font-weight:600}.hero-actions{display:flex;flex-wrap:wrap;gap:19px;align-items:center}.text-link{font-size:14px;font-weight:700;text-decoration:none}.purchase-note{font-size:12px;color:var(--muted);margin:19px 0 0}.purchase-note span{margin:0 7px}.hero-art{position:relative;background:var(--navy);border-radius:48% 48% 8px 8px;padding:24px 58px 23px;text-align:center;display:flex;align-items:center;flex-direction:column}.book-label{font-size:10px;letter-spacing:2px;color:#d1e3ed;margin:2px 0 23px}.cover{display:block;width:100%;max-width:294px;height:auto;box-shadow:14px 17px 24px #05223980;transform:rotate(-5deg);border-radius:2px}.book-caption{display:flex;flex-direction:column;color:#fff;font-size:14px;line-height:1.5;margin-top:30px}.book-caption strong{color:var(--yellow);font-weight:600}.benefit-strip{background:var(--navy);color:white}.strip-grid{display:grid;grid-template-columns:repeat(3,1fr);padding-block:24px;gap:22px;font-size:14px}.strip-grid span{text-align:center}.strip-grid b{color:var(--yellow);font-size:12px;letter-spacing:1px;margin-right:15px}.section{padding-block:96px}h2{font-size:clamp(32px,3.25vw,45px);line-height:1.17;letter-spacing:-1.5px;font-weight:700;margin-bottom:23px}h3{font-size:22px;line-height:1.3;letter-spacing:-.5px;margin-bottom:12px}.muted{color:#6d7e89}.problem{display:grid;grid-template-columns:1fr 1fr;gap:90px}.problem-copy{padding-top:28px;color:var(--muted)}.problem-copy strong{color:var(--ink)}.callout{border-left:3px solid var(--yellow);padding-left:22px;color:var(--ink);font-weight:600;margin-top:25px;margin-bottom:0}.tone-section{background:var(--pale)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:70px;margin-bottom:35px}.section-heading>div{flex:1.4}.section-heading>p{flex:1;color:var(--muted);max-width:385px;margin-bottom:25px}.tone-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.tone-card{--tone:#bc492f;background:white;border:1px solid var(--line);border-radius:var(--radius);padding:23px 20px 0}.tone-two{--tone:#997000}.tone-three{--tone:#117d78}.tone-four{--tone:#7761a9}.tone-top{display:flex;justify-content:space-between;align-items:center;color:var(--tone);gap:8px}.tone-top>span:first-child{font-size:11px;font-weight:800;letter-spacing:1px}.tone-mark{font:32px Georgia,serif}.tone-card svg{width:100%;display:block;margin:18px 0 23px;overflow:visible}.guide{stroke:#e9eef1;fill:none;stroke-dasharray:3 5}.pitch{stroke:var(--tone);stroke-width:5;fill:none;stroke-linecap:round;stroke-linejoin:round}.tone-card h3{font-size:21px}.tone-card p{font-size:15px;line-height:1.65;color:var(--muted);min-height:76px}.word{border-top:1px solid var(--line);padding:14px 0;display:flex;align-items:center;gap:15px}.word strong{font-size:28px;line-height:1.5;color:var(--tone);font-family:Georgia,serif}.word span{font-size:14px;color:var(--muted)}.neutral-note{display:flex;gap:18px;align-items:baseline;padding:23px 0;border-bottom:1px solid var(--line);font-size:14px}.neutral-note strong{white-space:nowrap}.neutral-note p{margin:0;color:var(--muted)}.practice{display:grid;grid-template-columns:1.3fr 1fr;gap:65px;padding-top:40px}.practice .eyebrow{margin-bottom:13px}.practice p{font-size:15px;color:var(--muted);margin-bottom:0}.practice-next{border-left:1px solid #cddbe3;padding-left:35px}.practice-next strong{display:block;font-size:18px;line-height:1.5;margin-bottom:12px}.practice-next .text-link{display:inline-block;margin-top:20px;color:var(--teal)}.inside-grid{display:grid;grid-template-columns:.85fr 1.5fr;gap:75px;margin-top:25px}.inside-intro{padding:32px;background:var(--pale);border-radius:var(--radius)}.big-number{font-size:76px;line-height:1;letter-spacing:-5px;color:var(--navy);font-weight:750;display:block;margin-bottom:22px}.big-number span{font-size:16px;letter-spacing:0;font-weight:400;margin-left:13px}.inside-intro p{color:var(--muted);font-size:15px}.inside-intro .button{margin-top:5px}.contents article{display:flex;gap:27px;padding:24px 0;border-bottom:1px solid var(--line)}.contents article:first-child{padding-top:10px}.contents article>span{font-size:14px;font-weight:700;color:var(--teal);padding-top:3px}.contents article p{color:var(--muted);font-size:15px;margin-bottom:0}.contents h3{font-size:21px;margin-bottom:7px}.fit-section{padding-block:70px;background:var(--navy);color:white}.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.fit-section .eyebrow{color:var(--yellow)}.fit-section h2{font-size:38px}.check-list{list-style:none;padding:0;margin:0}.check-list li{padding-left:28px;margin-bottom:15px;position:relative}.check-list li:before{content:'✓';position:absolute;left:0;color:var(--yellow);font-weight:bold}.fit-note{font-size:14px;color:#c2d6e3;margin:26px 0 0}.faq-section{display:grid;grid-template-columns:.9fr 1.4fr;gap:80px}.faq-intro{color:var(--muted);max-width:310px}.faqs details{border-bottom:1px solid var(--line)}.faqs summary{padding:21px 34px 21px 0;cursor:pointer;position:relative;list-style:none;font-size:17px;font-weight:600;line-height:1.5}.faqs summary::-webkit-details-marker{display:none}.faqs summary:after{content:'+';position:absolute;right:3px;font-size:23px;top:15px;color:var(--teal);font-weight:400}.faqs details[open] summary:after{content:'−'}.faqs details p{font-size:15px;color:var(--muted);padding-right:22px;padding-bottom:16px;margin:0}.buy-section{background:#eaf2f5;padding-block:78px}.buy-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:105px;align-items:center}.buy-section h2{font-size:52px;line-height:1.12}.buy-section>div>div>p:not(.eyebrow){max-width:430px;color:var(--muted)}.author{font-size:14px}.purchase-card{border-top:4px solid var(--yellow);background:white;padding:36px;border-radius:var(--radius);box-shadow:0 14px 40px #123d5510}.purchase-tag{font-size:11px;letter-spacing:1.8px;color:var(--teal);font-weight:800}.purchase-card h3{font-size:30px;margin-top:16px}.purchase-card ul{list-style:none;padding:0;margin:24px 0}.purchase-card li{border-bottom:1px solid #edf0f2;padding:9px 0;font-size:15px}.purchase-card li:before{content:'✓';margin-right:12px;color:var(--teal)}.purchase-card .button{width:100%;gap:15px}.purchase-card>p{font-size:12px;text-align:center;margin:14px 0 0}footer{padding-top:37px}.footer-top{display:flex;justify-content:space-between;align-items:center;gap:25px;padding-bottom:30px}.footer-top>p{font-size:14px;line-height:1.6;margin:0}.footer-top>p>span{color:var(--muted);font-size:12px}.footer-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;padding-block:20px;color:var(--muted);font-size:12px}.footer-bottom p{margin:0}.skip{position:fixed;left:12px;top:-90px;padding:12px;background:white;z-index:10}.skip:focus{top:12px}
@media(min-width:1500px){.hero-grid{padding-block:85px}}@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero-grid{gap:34px}.hero-art{padding-inline:42px}h1{font-size:50px}.hero-actions{gap:17px}.problem,.fit-grid{gap:50px}.tone-grid{grid-template-columns:repeat(2,1fr)}.tone-card svg{height:80px}.tone-card p{min-height:auto}.inside-grid{gap:40px}.buy-grid{gap:50px}.section{padding-block:72px}}@media(max-width:760px){.wrap{width:calc(100% - 40px)}.nav{min-height:76px;gap:10px}.brand{font-size:22px}.brand-icon{width:26px;height:26px;line-height:23px}.nav nav{display:none}.button-small{font-size:13px;padding:11px 13px;gap:8px}.hero-grid{grid-template-columns:1fr;padding-block:42px;gap:40px}h1{font-size:clamp(39px,8.5vw,57px);letter-spacing:-1.7px}.desktop-break{display:none}.lead{font-size:18px}.hero-sub{font-size:16px}.hero-art{max-width:360px;width:100%;margin-inline:auto;padding:26px 49px}.cover{max-width:240px}.book-label{font-size:9px}.purchase-note{font-size:12px;line-height:1.8}.purchase-note span{margin-inline:4px}.hero-actions{gap:23px}.strip-grid{grid-template-columns:1fr;gap:11px;padding-block:23px}.strip-grid span{text-align:left}.section{padding-block:55px}.problem,.practice,.inside-grid,.fit-grid,.faq-section,.buy-grid{grid-template-columns:1fr;gap:25px}.problem-copy{padding-top:0}.section-heading{display:block;margin-bottom:25px}.section-heading>p{max-width:none;margin-bottom:0}.tone-grid{gap:12px}.tone-card{padding:16px 14px 0}.tone-top>span:first-child{font-size:9px;letter-spacing:.4px}.tone-mark{font-size:27px}.tone-card svg{height:63px;margin-block:16px}.tone-card h3{font-size:18px}.tone-card p{font-size:14px;min-height:92px}.word{gap:10px}.word strong{font-size:26px}.word span{font-size:13px}.neutral-note{display:block}.neutral-note strong{display:block;margin-bottom:7px}.practice{padding-top:28px}.practice-next{border-left:0;border-top:1px solid var(--line);padding:25px 0 0}.inside-grid{margin-top:30px}.inside-intro{padding:28px}.contents article{gap:20px}.fit-section{padding-block:50px}.fit-section h2{font-size:32px}.faq-section{gap:7px}.faq-intro{max-width:100%}.buy-section{padding-block:50px}.buy-section h2{font-size:43px}.purchase-card{padding:26px}.footer-top{align-items:flex-start;flex-direction:column;gap:22px}.footer-bottom{flex-direction:column;gap:10px}h2{letter-spacing:-1px}}@media(max-width:360px){.wrap{width:calc(100% - 28px)}.brand{font-size:20px}.brand-icon{display:none}.tone-grid{grid-template-columns:1fr}.tone-card p{min-height:auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Educational pages share the landing page palette and responsive typography. */
.reading{max-width:850px}.reading h1{font-size:clamp(36px,5vw,54px);margin-top:28px;letter-spacing:-1.5px}.reading h2{font-size:clamp(27px,3vw,34px);margin-top:48px;letter-spacing:-.8px}.reading .eyebrow{margin-top:35px}.reading nav,.article-meta,figcaption{font-size:14px;color:var(--muted)}.reading p,.reading li{overflow-wrap:anywhere}.reading li{margin-bottom:12px}.reading figure{margin:30px 0}.reading figure img{width:100%;height:auto;display:block;border-radius:8px}.reading figcaption{margin-top:10px}.lesson-toc,.lesson-cta{padding:26px;background:var(--pale);border:1px solid var(--line);border-radius:8px}.lesson-toc ul{margin-bottom:0;padding-left:22px}.lesson-cta{margin-top:45px}.lesson-cta h2{margin-top:0}.table-scroll{overflow-x:auto;margin-block:28px}.table-scroll:focus-visible{outline:3px solid #087caa;outline-offset:3px}table{width:100%;border-collapse:collapse;font-size:15px;text-align:left}caption{text-align:left;font-weight:700;margin-bottom:12px}th,td{padding:14px;border-bottom:1px solid var(--line);vertical-align:top}thead{background:var(--pale)}.practice-steps{padding-left:24px}.footer-bottom{flex-wrap:wrap}