:root{--paper:#F3F5F7;--navy:#0B1933;--accent:#2E5AAC;--color-bg:var(--paper);--color-surface:#FFFFFF;--color-surface-offset:#E7ECF3;--color-text:var(--navy);--color-text-muted:#52627B;--color-border:rgb(11 25 51 / .2);--color-primary:#2E5AAC;--focus:#2E5AAC;--font-display:'Boska',Georgia,serif;--font-body:'Switzer',Arial,sans-serif;--text-xs:clamp(.75rem,.72rem + .12vw,.8125rem);--text-sm:clamp(.875rem,.84rem + .12vw,.9375rem);--text-base:clamp(1rem,.96rem + .16vw,1.0625rem);--text-lg:clamp(1.1rem,1rem + .4vw,1.3rem);--text-xl:clamp(1.65rem,1.25rem + 1.5vw,2.5rem);--text-section:clamp(2.15rem,1.55rem + 2.4vw,3.8rem);--text-hero:clamp(3.15rem,2rem + 3.55vw,5.6rem);--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--space-32:8rem;--gutter:clamp(var(--space-6),5vw,var(--space-20));--radius-sm:2px}
[data-theme=dark]{--color-bg:#0B1933;--color-surface:#142542;--color-surface-offset:#11213C;--color-text:var(--paper);--color-text-muted:#B4C4DA;--color-border:rgb(243 245 247 / .2);--color-primary:#9AB0D2;--focus:#9AB0D2;color-scheme:dark}
.wrap{width:min(100%,1440px);padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:clamp(var(--space-16),7vw,var(--space-24))}.eyebrow{font-size:var(--text-xs);font-weight:500;letter-spacing:.13em;line-height:1.5;text-transform:uppercase;margin-bottom:var(--space-5)}h1{font-size:var(--text-hero);letter-spacing:-.035em}h2{font-size:var(--text-section);letter-spacing:-.025em;margin-bottom:var(--space-6)}h3{font-size:var(--text-xl);letter-spacing:-.015em}em{font-weight:400}.micro{font-size:var(--text-xs);line-height:1.55;color:var(--color-text-muted)}.preview-banner{position:sticky;top:0;z-index:50;background:var(--navy);color:var(--paper);font-size:var(--text-xs);text-align:center;padding:var(--space-2) var(--space-4);letter-spacing:.012em;min-height:36px}.header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-8);padding-block:var(--space-6);border-bottom:1px solid var(--color-border)}.brand{display:inline-flex;align-items:center;gap:var(--space-3);flex-shrink:0;min-height:44px}.brand>svg{width:35px}.brand-type{font-size:var(--text-lg);letter-spacing:.02em;font-weight:600;line-height:1;display:flex;align-items:baseline;gap:var(--space-1)}.brand-type>span{font-size:var(--text-xs);font-weight:400;letter-spacing:.025em}.nav-links,.header-tools,.language{display:flex;align-items:center}.nav-links{gap:var(--space-8)}.nav-links a{font-size:var(--text-sm);padding-block:var(--space-3);position:relative}.nav-links a::after{content:'';position:absolute;bottom:var(--space-2);height:1px;left:0;right:0;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}.nav-links a:hover::after{transform:scaleX(1)}.header-tools{gap:var(--space-4)}.language{gap:var(--space-1);font-size:var(--text-xs)}.language>a{width:36px;min-height:44px;display:grid;place-items:center;color:var(--color-text-muted)}.language>a[aria-current]{color:var(--color-text);text-decoration:underline;text-underline-offset:5px}.language>span{opacity:.4}.theme-toggle{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--color-border);border-radius:50%}.theme-symbol{width:15px;height:15px;border-radius:50%;border:1px solid currentColor;position:relative;overflow:hidden}.theme-symbol::after{content:'';position:absolute;inset:0 50% 0 0;background:currentColor}.theme-toggle:hover{background:var(--color-surface-offset)}
.hero{display:grid;grid-template-columns:1.13fr 1fr;align-items:center;gap:clamp(var(--space-8),6vw,var(--space-24));padding-block:var(--space-12) var(--space-10)}.hero-copy{padding-block:var(--space-8)}.hero-copy .eyebrow{margin-bottom:var(--space-6)}.hero-intro{max-width:48ch;color:var(--color-text-muted);margin-top:var(--space-8);font-size:var(--text-base);line-height:1.7}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-5) var(--space-8);margin-top:var(--space-8)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:var(--space-10);min-height:52px;padding:var(--space-3) var(--space-6);border:1px solid var(--color-text);font-size:var(--text-sm);font-weight:500}.button:hover{background:var(--color-text);color:var(--color-bg)}.button>span,.text-link>span{display:inline-block;transition:transform .25s ease}.button:hover>span,.text-link:hover>span{transform:translate(2px,-2px)}.text-link{font-size:var(--text-sm);display:inline-flex;align-items:center;gap:var(--space-6);min-height:44px;position:relative;padding-block:var(--space-2)}.text-link::after{content:'';position:absolute;bottom:var(--space-2);left:0;right:0;height:1px;background:currentColor;opacity:.55;transform-origin:left;transition:transform .25s ease}.text-link:hover::after{transform:scaleX(.9)}.hero-note{margin-top:var(--space-4)}.hero-visual{min-width:0}.book-stage{min-height:535px;background:var(--color-surface-offset);display:flex;justify-content:center;align-items:center;position:relative;padding:var(--space-10) var(--space-8);perspective:1200px}.cover-link{width:min(72%,294px);position:relative;z-index:1;transform:rotate(-5deg) rotateY(-9deg);transition:transform .7s cubic-bezier(.16,1,.3,1);box-shadow:14px 24px 24px rgb(11 25 51 / .19),3px 3px 3px rgb(11 25 51 / .2)}.cover-link:hover,.cover-link:focus-visible{transform:rotate(-1deg) rotateY(0deg) translateY(-4px)}.cover-link img{width:100%;height:auto;object-fit:contain;background:var(--paper)}.edition-marker{position:absolute;right:var(--space-6);top:var(--space-4);font-family:var(--font-display);font-size:var(--text-xl);color:var(--color-text-muted);font-style:italic}.stage-label{position:absolute;left:var(--space-6);bottom:var(--space-5);letter-spacing:.2em;font-size:var(--text-xs);color:var(--color-text-muted)}figcaption{display:flex;justify-content:space-between;gap:var(--space-4);font-size:var(--text-xs);padding-block:var(--space-4);color:var(--color-text-muted)}figcaption>span:first-child{color:var(--color-text);font-weight:500}.hero-meta{display:flex;gap:var(--space-10);padding-block:var(--space-5);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);font-size:var(--text-xs);letter-spacing:.03em}.hero-meta>span{display:flex;align-items:center;gap:var(--space-3)}.hero-meta>span::before{content:'';height:5px;width:5px;background:var(--accent)}
.section-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:var(--space-20);align-items:center}.section-heading>p{max-width:48ch;color:var(--color-text-muted)}.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-20);margin-top:var(--space-8)}.audience-grid article{padding-top:var(--space-6);border-top:1px solid var(--color-border)}.audience-grid h3{margin-bottom:var(--space-4)}.audience-grid p{color:var(--color-text-muted);max-width:55ch}.scope-note{font-size:var(--text-sm);color:var(--color-text-muted);margin-top:var(--space-10);max-width:90ch}
.lessons-section{background:var(--navy);color:var(--paper);padding-block:clamp(var(--space-16),7vw,var(--space-24))}.lessons-layout{display:grid;grid-template-columns:.86fr 1fr;gap:var(--space-24);align-items:start}.lessons-intro{position:sticky;top:var(--space-20)}.lessons-intro>p:not(.eyebrow){max-width:34ch;color:#CAD5E5}.lessons-intro .eyebrow{color:#9AB0D2}.chapter-mark{font-family:var(--font-display);font-size:clamp(6rem,12vw,11rem);line-height:1;letter-spacing:-.05em;margin-top:var(--space-12);color:#9AB0D2}.chapter-mark span{display:block;font-family:var(--font-body);font-size:var(--text-xs);letter-spacing:.18em;margin-top:var(--space-3);color:#CAD5E5}.lesson{display:grid;grid-template-columns:var(--space-12) 1fr;gap:var(--space-4);padding-block:var(--space-8);border-top:1px solid rgb(243 245 247 / .22)}.lesson:first-child{padding-top:var(--space-4)}.lesson-number{font-size:var(--text-xs);color:#9AB0D2;margin-top:var(--space-3)}.lesson h3{font-size:var(--text-xl);margin-bottom:var(--space-4)}.lesson p{font-size:var(--text-sm);color:#CAD5E5;line-height:1.65}.lesson p.lesson-lead{font-size:var(--text-base);color:var(--paper);margin-bottom:var(--space-2)}
.toolkit{display:grid;grid-template-columns:1fr .87fr;gap:var(--space-24);align-items:center}.kit-copy>p:not(.eyebrow){color:var(--color-text-muted);max-width:50ch}.worksheet-list{margin-top:var(--space-8)}.worksheet-list li{display:flex;gap:var(--space-6);padding-block:var(--space-3);border-bottom:1px solid var(--color-border);font-size:var(--text-sm)}.worksheet-list li>span{font-size:var(--text-xs);color:var(--color-primary);min-width:22px;padding-top:var(--space-1)}.sheet-preview{display:block;background:var(--color-surface);border:1px solid var(--color-border);padding:var(--space-8);box-shadow:10px 12px 0 var(--color-surface-offset);transform:rotate(2deg);transition:transform .45s ease}.sheet-preview:hover,.sheet-preview:focus-visible{transform:rotate(0deg)}.sheet-top{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding-bottom:var(--space-5);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-8)}.sheet-top .eyebrow{font-size:var(--text-xs);margin:0;letter-spacing:.08em}.sheet-top svg{width:28px;flex-shrink:0}.sheet-preview h3{font-size:var(--text-section);margin-bottom:var(--space-8)}.sheet-field{margin-block:var(--space-6);font-size:var(--text-sm)}.sheet-field>span{font-size:var(--text-xs);color:var(--color-text-muted)}.sheet-field p{margin-top:var(--space-1)}.writing-line{height:28px;border-bottom:1px solid var(--color-border)}.sheet-example{padding:var(--space-4);font-size:var(--text-xs);line-height:1.6;background:var(--color-surface-offset)}.sheet-bottom{display:flex;align-items:center;gap:var(--space-4);justify-content:space-between;margin-top:var(--space-6);font-size:var(--text-xs);color:var(--color-text-muted)}.sheet-bottom>span{font-size:var(--text-lg)}
.plan-section{background:var(--color-surface-offset);padding-block:var(--space-20)}.timeline{display:grid;grid-template-columns:repeat(4,1fr);margin-top:var(--space-12);gap:var(--space-8)}.timeline>li{border-top:1px solid var(--color-border);padding-top:var(--space-6);position:relative}.timeline>li::before{content:'';position:absolute;top:-3px;left:0;width:5px;height:5px;background:var(--accent)}.timeline .eyebrow{display:block;letter-spacing:.07em;margin-bottom:var(--space-4);color:var(--color-primary)}.timeline h3{font-family:var(--font-body);font-size:var(--text-base);font-weight:500;line-height:1.4;letter-spacing:0;margin-bottom:var(--space-3)}.timeline p{font-size:var(--text-sm);color:var(--color-text-muted)}.sample-section{display:grid;grid-template-columns:.8fr 1fr;gap:var(--space-24);align-items:center;padding-block:var(--space-20)}.sample-index{font-family:var(--font-display);font-size:clamp(9rem,21vw,20rem);line-height:.85;text-align:center;color:var(--color-primary);letter-spacing:-.05em}.sample-index span{display:block;font-size:var(--text-xs);font-family:var(--font-body);line-height:1.5;letter-spacing:.15em;margin-top:var(--space-6);color:var(--color-text-muted)}.sample-copy>p:not(.eyebrow){max-width:47ch;color:var(--color-text-muted)}.sample-copy .button{margin-block:var(--space-8) var(--space-4)}
.offer-section{background:var(--color-surface-offset);padding-block:var(--space-20)}.offer-layout{display:grid;grid-template-columns:1fr .9fr;gap:var(--space-24);align-items:center}.offer-intro>p:not(.eyebrow){max-width:42ch;color:var(--color-text-muted)}.offer-intro>.text-link{margin-top:var(--space-8)}.offer-box{padding:var(--space-10);background:var(--color-bg);border:1px solid var(--color-border)}.offer-box>.eyebrow{color:var(--color-text-muted);letter-spacing:.08em}.offer-box h3{font-size:var(--text-xl)}.price-line{display:flex;align-items:center;gap:var(--space-6);margin-top:var(--space-6)}.price-line strong{font-family:var(--font-display);font-size:var(--text-section);font-weight:400;line-height:1.2;white-space:nowrap}.price-line p{font-size:var(--text-xs);max-width:17ch;line-height:1.5}.future-price{font-size:var(--text-xs);color:var(--color-text-muted);margin-top:var(--space-3);max-width:46ch}.offer-includes{margin-block:var(--space-8);border-top:1px solid var(--color-border);padding-top:var(--space-5)}.offer-includes li{font-size:var(--text-sm);padding-block:var(--space-2);display:flex;align-items:baseline;gap:var(--space-3)}.offer-includes li::before{content:'+';color:var(--color-primary)}.checkout{width:100%;min-height:52px;background:var(--color-surface-offset);color:var(--color-text-muted);border:1px solid var(--color-border);font-size:var(--text-sm)}.offer-box>.micro{margin-top:var(--space-4)}
.faq-section{display:grid;grid-template-columns:.7fr 1fr;gap:var(--space-24)}.faq-list details{border-top:1px solid var(--color-border)}.faq-list details:last-child{border-bottom:1px solid var(--color-border)}summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:var(--space-6);padding-block:var(--space-6);font-size:var(--text-base);font-weight:500}summary::-webkit-details-marker{display:none}.plus{height:14px;width:14px;position:relative;flex-shrink:0;transition:transform .25s ease}.plus::before,.plus::after{content:'';background:currentColor;position:absolute;left:0;top:6px;width:14px;height:1px}.plus::after{transform:rotate(90deg)}details[open] .plus{transform:rotate(45deg)}.faq-body{padding-bottom:var(--space-6);padding-right:var(--space-8);font-size:var(--text-sm);color:var(--color-text-muted);animation:appear .3s ease}@keyframes appear{from{opacity:.1}to{opacity:1}}.closing{padding-block:0 var(--space-20);display:flex;align-items:end;justify-content:space-between;gap:var(--space-8)}.closing h2{margin:0;font-size:var(--text-section)}.footer{background:var(--navy);color:var(--paper);padding-block:var(--space-12) var(--space-8)}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:var(--space-8);padding-bottom:var(--space-10);border-bottom:1px solid rgb(243 245 247 / .18)}.footer-top p{font-size:var(--text-sm);color:#CAD5E5}.footer-bottom{display:flex;justify-content:space-between;gap:var(--space-12);margin-top:var(--space-6);font-size:var(--text-xs);color:#CAD5E5}.footer-bottom p{max-width:78ch}.footer-bottom>span{flex-shrink:0}
.sample-hero{padding-block:var(--space-10) var(--space-16);max-width:1100px}.back-link{margin-bottom:var(--space-10)}.sample-hero h1{font-size:clamp(3rem,1.8rem + 3vw,5rem);max-width:18ch}.sample-hero>p:last-child{color:var(--color-text-muted);max-width:57ch;margin-top:var(--space-8);font-size:var(--text-base)}.exercise-page{width:calc(100% - var(--gutter)*2);max-width:840px;margin-inline:auto;background:var(--color-surface);padding:var(--space-12);border:1px solid var(--color-border);box-shadow:8px 8px 0 var(--color-surface-offset)}.exercise-top{display:flex;justify-content:space-between;gap:var(--space-4);font-size:var(--text-xs);letter-spacing:.06em;padding-bottom:var(--space-5);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-8)}.exercise-page>h2{font-size:var(--text-xl);max-width:25ch}.exercise-intro{color:var(--color-text-muted);font-size:var(--text-sm);margin-bottom:var(--space-8)}.exercise-fields li{display:grid;grid-template-columns:var(--space-8) 1fr;gap:var(--space-4);padding-block:var(--space-5)}.exercise-number{font-size:var(--text-xs);color:var(--color-primary);padding-top:var(--space-1)}.exercise-fields h3,.exercise-check h3{font-family:var(--font-body);font-size:var(--text-base);font-weight:500;line-height:1.5;letter-spacing:0}.exercise-fields p{font-size:var(--text-sm);color:var(--color-text-muted);margin-top:var(--space-2)}.answer-lines{height:32px;border-bottom:1px solid var(--color-border);margin-top:var(--space-3)}.exercise-check{background:var(--color-surface-offset);padding:var(--space-6);margin-top:var(--space-6)}.exercise-check p{font-size:var(--text-sm);margin-top:var(--space-3);color:var(--color-text-muted)}.example-section{padding-block:var(--space-20);display:grid;grid-template-columns:.8fr 1fr;gap:var(--space-20);max-width:1200px}.example-list>div{border-top:1px solid var(--color-border);padding-block:var(--space-5);display:grid;grid-template-columns:100px 1fr;gap:var(--space-6);font-size:var(--text-sm)}.example-list dt{font-weight:500}.example-list dd{color:var(--color-text-muted)}.sample-boundary{max-width:1000px}.sample-boundary p{padding:var(--space-6);background:var(--color-surface-offset);font-size:var(--text-sm);color:var(--color-text-muted)}.sample-return{max-width:1000px;padding-block:var(--space-12) var(--space-20)}.sample-return>p{max-width:60ch;color:var(--color-text-muted)}.sample-return>div{display:flex;align-items:center;gap:var(--space-8);flex-wrap:wrap;margin-top:var(--space-8)}
@media(min-width:1441px){.hero{padding-top:var(--space-16)}.book-stage{min-height:585px}.cover-link{width:310px}}
@media(max-width:1050px){.nav-links{gap:var(--space-5)}.hero{gap:var(--space-8)}.hero h1{font-size:clamp(3rem,5.8vw,4.5rem)}.book-stage{min-height:480px}.cover-link{width:80%}.lessons-layout,.toolkit,.offer-layout,.faq-section{gap:var(--space-12)}.section-heading,.audience-grid{gap:var(--space-12)}.timeline{gap:var(--space-6)}.sheet-preview{padding:var(--space-6)}.sample-section{gap:var(--space-12)}figcaption{flex-direction:column;gap:var(--space-1)}}
@media(max-width:760px){:root{--text-hero:clamp(3rem,10.5vw,4.5rem);--text-section:clamp(2.2rem,7vw,3rem)}.header{padding-block:var(--space-4);gap:var(--space-4)}.nav-links{display:none}.header-tools{gap:var(--space-2)}.brand>svg{width:29px}.brand-type{font-size:var(--text-base)}.hero{grid-template-columns:1fr;padding-block:var(--space-6) var(--space-6);gap:var(--space-8)}.hero-copy{padding-block:var(--space-4) 0}.hero h1{font-size:var(--text-hero)}.hero-copy .eyebrow{margin-bottom:var(--space-5)}.hero-intro{margin-top:var(--space-5);line-height:1.65}.hero-actions{margin-top:var(--space-6);gap:var(--space-3) var(--space-6)}.hero-actions .text-link{font-size:var(--text-xs)}.hero-note{margin-top:var(--space-3)}.book-stage{min-height:420px;padding-block:var(--space-10)}.cover-link{width:min(68%,255px)}.hero-visual{width:100%}figcaption{flex-direction:row;gap:var(--space-4)}.hero-meta{gap:var(--space-4);justify-content:space-between;flex-wrap:wrap;padding-block:var(--space-4);font-size:var(--text-xs)}.hero-meta>span{gap:var(--space-2)}.section-heading{grid-template-columns:1fr;gap:var(--space-3)}.section-heading>p{max-width:100%}.audience-grid{gap:var(--space-8);margin-top:var(--space-8)}.lessons-layout{grid-template-columns:1fr;gap:var(--space-10)}.lessons-intro{position:static}.lessons-intro>p:not(.eyebrow){max-width:45ch}.chapter-mark{display:none}.lesson{padding-block:var(--space-6);grid-template-columns:var(--space-8) 1fr}.lessons-section{padding-bottom:var(--space-10)}.toolkit{grid-template-columns:1fr;gap:var(--space-12)}.kit-copy>p:not(.eyebrow){max-width:100%}.sheet-preview{max-width:480px;margin-inline:auto;width:calc(100% - var(--space-4));padding:var(--space-8)}.plan-section{padding-block:var(--space-16)}.timeline{grid-template-columns:1fr 1fr;gap:var(--space-8) var(--space-6);margin-top:var(--space-8)}.sample-section{grid-template-columns:1fr;padding-block:var(--space-16);gap:var(--space-8)}.sample-index{display:none}.offer-layout{grid-template-columns:1fr;gap:var(--space-10)}.offer-section{padding-block:var(--space-16)}.offer-intro>.text-link{margin-top:var(--space-4)}.offer-box{padding:var(--space-8)}.faq-section{grid-template-columns:1fr;gap:var(--space-5)}.faq-section h2{margin-bottom:var(--space-4)}.closing{align-items:start;flex-direction:column;gap:var(--space-4);padding-bottom:var(--space-16)}.footer-top{flex-wrap:wrap;gap:var(--space-6)}.footer-top>p{width:100%;order:2}.footer-bottom{flex-direction:column;gap:var(--space-6)}.footer-top .text-link{font-size:var(--text-xs)}.sample-hero{padding-block:var(--space-6) var(--space-10)}.back-link{margin-bottom:var(--space-6)}.sample-hero h1{font-size:var(--text-hero)}.exercise-page{padding:var(--space-6);width:calc(100% - var(--gutter)*2)}.exercise-top{font-size:var(--text-xs);letter-spacing:0;align-items:baseline}.exercise-top>span:last-child{text-align:right}.exercise-fields li{gap:var(--space-2);grid-template-columns:var(--space-6) 1fr}.exercise-check{padding:var(--space-4)}.example-section{grid-template-columns:1fr;gap:var(--space-4);padding-block:var(--space-16)}.example-list>div{grid-template-columns:1fr;gap:var(--space-2)}.sample-return{padding-bottom:var(--space-16)}}
@media(max-width:420px){.preview-banner{font-size:12px;padding-inline:var(--space-4);line-height:1.5}.hero h1{font-size:3.05rem}.hero-actions{flex-direction:column;align-items:flex-start;gap:var(--space-2)}.hero-actions .text-link{font-size:var(--text-sm)}.hero-meta{column-gap:var(--space-6);row-gap:var(--space-3);justify-content:flex-start}.hero-meta>span{font-size:12px}.audience-grid{grid-template-columns:1fr;gap:var(--space-8)}.book-stage{min-height:380px}.cover-link{width:71%}.brand-type>span{font-size:12px}.header-tools{gap:0}.header-tools .language{gap:0}.theme-toggle{margin-left:var(--space-1)}figcaption{flex-direction:column;gap:var(--space-1)}.sheet-preview{padding:var(--space-6)}.offer-box{padding:var(--space-6)}.exercise-page{padding:var(--space-5)}.timeline>li{min-width:0}.timeline h3{font-size:1rem}.footer-top .text-link{width:100%;order:3}.footer-top>p{order:2}.footer-top{gap:var(--space-3)}}
@media print{.preview-banner,.header,.footer,.sample-hero,.example-section,.sample-boundary,.sample-return,.skip-link{display:none!important}body{background:#fff;color:#0B1933;font-size:10pt}.exercise-page{width:100%;max-width:none;border:0;box-shadow:none;padding:0;margin:0}.exercise-page h2{font-size:22pt}.exercise-top{margin-bottom:12pt;padding-bottom:8pt}.exercise-intro,.exercise-fields p,.exercise-check p{font-size:10pt}.exercise-fields li{padding-block:8pt;break-inside:avoid}.exercise-fields h3,.exercise-check h3{font-size:11pt}.exercise-check{padding:10pt;margin-top:10pt}.answer-lines{height:15pt;margin-top:6pt}.exercise-intro{margin-bottom:8pt}@page{size:A4;margin:16mm}}
/* Compact mobile first impression keeps the real cover within the opening view. */
@media(max-width:420px){.hero h1{font-size:2.5rem}.hero-copy .eyebrow{margin-bottom:var(--space-4)}.hero-intro{margin-top:var(--space-4)}.hero-actions{margin-top:var(--space-5)}.hero-actions>.text-link{display:none}.hero{gap:var(--space-6)}.hero-note{margin-top:var(--space-3)}.language>a{width:44px}}
.bundle-note{font-size:var(--text-xs);color:var(--color-text-muted);border-top:1px solid var(--color-border);padding-top:var(--space-5);margin-top:var(--space-5);line-height:1.6}
@media print{.exercise-page{line-height:1.35}.exercise-fields li{padding-block:6pt}.exercise-fields p,.exercise-check p{line-height:1.4}.exercise-check{margin-top:6pt;padding:8pt}.answer-lines{height:12pt;margin-top:4pt}}
/* Change Management Hub identity: complete two-line wordmark, compact but legible. */
.brand{min-width:0;gap:var(--space-3)}.brand>svg{width:42px;height:42px;flex-shrink:0}.brand-type{display:flex;flex-direction:column;align-items:flex-start;gap:0;font-size:var(--text-base);letter-spacing:0;line-height:1.25}.brand-type>span{font-size:inherit;font-weight:500;letter-spacing:0}.brand-type>span:last-child{font-weight:400}.header{gap:var(--space-6)}.stage-label{letter-spacing:.1em}.chapter-mark span,.sample-index span{letter-spacing:.1em}.domain-note{display:flex;gap:var(--space-4);font-size:var(--text-xs);color:#CAD5E5;margin-top:var(--space-5);flex-wrap:wrap}.domain-note>span:first-child{color:var(--paper)}.footer-bottom>span{max-width:250px;flex-shrink:1}.exercise-top>span:first-child{max-width:52%;letter-spacing:.015em}.sheet-top svg{width:32px;height:32px}.brand svg{color:currentColor}
@media(max-width:960px){.header .nav-links{display:none}}
@media(max-width:760px){.header{gap:var(--space-3)}.brand{gap:var(--space-2)}.brand>svg{width:32px;height:32px}.brand-type{font-size:14px}.header-tools{gap:0}.header .language>a{width:36px}.header .theme-toggle{width:40px;height:44px;margin-left:var(--space-1)}.stage-label{font-size:12px;letter-spacing:.065em}.footer .brand-type{font-size:var(--text-base)}.domain-note{flex-direction:column;gap:var(--space-1)}}
@media(max-width:360px){.header{flex-wrap:wrap;row-gap:var(--space-2)}.header .brand{width:100%}.header-tools{margin-left:auto}.header .language>a{width:44px}.header .theme-toggle{width:44px}.preview-banner{font-size:12px}}

/* Launch controls: prominent purchase action on desktop and mobile. */
.preview-banner{position:static}
.header{position:sticky;top:0;z-index:50;background:var(--color-bg)}
.header-buy{white-space:nowrap;flex-shrink:0}
.buy-primary{background:var(--accent);border:1px solid var(--accent);color:#fff;justify-content:center;text-align:center}
.buy-primary:hover{background:#214681;border-color:#214681;color:#fff}
.buy-secondary,.bundle-buy{justify-content:center;text-align:center}
a.checkout{display:flex;align-items:center;justify-content:center;padding:12px 20px;font-weight:500}
.bundle-buy{width:100%;margin-top:var(--space-4)}
.hero-sample{margin-top:var(--space-3)}
.footer-bottom a{text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
html{scroll-padding-top:190px}
@media(max-width:1150px){.header .nav-links{display:none}}
@media(max-width:760px){
 .header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding-block:12px}
 .header .brand{min-width:0;gap:8px}.header .brand-type{font-size:14px}
 .header .brand>svg{width:30px;height:36px}
 .header .header-tools{gap:4px}.header .language>a{width:27px}
 .header .theme-toggle{width:36px;height:36px}
 .header-buy{grid-column:1 / -1;width:100%;min-height:46px}
 .hero-actions{align-items:stretch;gap:12px}
 .hero-actions>.button{width:100%;justify-content:center}
}
@media(max-width:360px){.header .brand-type{font-size:12px}.header .brand>svg{width:24px}.header .theme-toggle{width:32px;height:32px}}