:root{--cream:#F7F3EB;--blue:#1F4E8C;--terra:#C65D3B;--ink:#242724;--yellow:#F2B705;--line:#d9d6cd}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:40px}body{margin:0;background:var(--cream);color:var(--ink);font-family:'Source Sans 3',sans-serif;font-size:18px;line-height:1.6}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--terra);outline-offset:6px}.wrap{max-width:1240px;margin:auto;padding-left:56px;padding-right:56px}header{max-width:1360px;margin:auto;padding:26px 56px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-family:'Source Serif 4',serif;font-weight:600;font-size:28px;line-height:.85;color:var(--blue);letter-spacing:-1.5px;display:inline-block}.brand span{display:block;padding-left:9px}.brand i{font-style:normal;color:var(--terra)}.brand 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div{display:flex;justify-content:space-around;gap:25px;white-space:nowrap;max-width:1200px;margin:auto}.ribbon span{color:var(--yellow)}h2{font-size:46px}h3{font-weight:600;font-size:21px;line-height:1.3}.samples{padding-top:94px;padding-bottom:94px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:35px}.section-heading p{max-width:330px;font-size:16px;color:#64675e}.section-heading .scribble{display:block;margin-top:16px}.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.sample{padding:0;background:transparent;border:0;text-align:left;cursor:pointer;color:inherit}.sample-image{position:relative;padding:22px;background:#e9e5da;border:1px solid #e2ddd0;transition:transform .25s}.sample:nth-child(2) .sample-image{background:#dfe7e8}.sample:nth-child(3) .sample-image{background:#ecdccf}.sample-image img{width:100%;display:block;box-shadow:1px 5px 15px #00000012}.sample:hover .sample-image{transform:translateY(-5px)}.expand{position:absolute;right:12px;bottom:12px;background:var(--cream);padding:5px 12px;font-size:12px;border:1px solid var(--line)}.sample-caption{display:flex;align-items:baseline;gap:12px;padding-top:19px}.sample-caption span{font-size:12px;color:var(--terra)}.sample-caption h3{font-size:18px}.quiz-section{background:var(--blue);color:var(--cream);padding:80px 0}.quiz-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.quiz-layout .eyebrow{color:#d3dfec}.quiz-layout h2{color:var(--cream)}.quiz-layout h2 em,.quiz-layout .scribble{color:var(--yellow)}.quiz-layout p{font-size:17px;max-width:390px}.quiz-paper{background:var(--cream);color:var(--ink);padding:36px;transform:rotate(1deg);box-shadow:7px 8px 0 #163f75;border-radius:2px}.tiny-label{color:var(--terra);font-weight:700;font-size:10px;letter-spacing:2px}.quiz-paper h3{font-family:'Source Serif 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p{font-size:16px;margin-bottom:0;color:#626359}.author{background:#e9e8dd;padding:75px 0}.author-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:95px;align-items:center}.author-layout h2{font-size:39px}.author-layout p{font-size:17px}.author-mark{transform:rotate(-5deg);padding:35px 10px}.author-mark>span{font-family:'Caveat';font-size:54px;color:var(--blue);display:block;line-height:1}.author-mark>span:nth-child(2){margin-left:40px}.author-mark .line{height:15px;border-bottom:2px solid var(--terra);border-radius:50%;margin:10px 25px 25px}.author-mark small{font-size:9px;letter-spacing:2px;display:block;text-align:center}.text-link{font-size:15px;border-bottom:1px solid var(--blue);color:var(--blue);padding-bottom:4px}.offer{padding-top:100px;padding-bottom:90px;display:grid;grid-template-columns:1fr 1.25fr;gap:85px;align-items:center}.offer-visual{text-align:center;background:#e7dfd0;padding:45px 35px 30px;border-radius:150px 150px 5px 5px}.offer-visual img{width:220px;max-width:100%;transform:rotate(-6deg);box-shadow:10px 15px 25px #3e392633}.offer-visual .scribble{display:block;margin-top:26px;transform:rotate(-5deg)}.offer h2{font-size:39px}.offer-copy>p{font-size:17px}.offer ul{padding-left:20px;font-size:16px}.offer li{padding:4px 0}.offer li::marker{color:var(--terra)}.price{font-family:'Source Serif 4';font-size:52px;color:var(--blue);margin:20px 0 15px}.price span{font-family:'Source Sans 3';font-size:14px;color:#65665e;margin-left:15px}.checkout{width:100%;cursor:default}.checkout:disabled{background:#596f89;transform:none}.purchase-note{font-size:13px!important;color:#666b66;margin-top:10px}.scope{font-size:13px!important;padding-top:20px;border-top:1px solid var(--line);color:#6a6b64}.faq{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;padding-top:45px;padding-bottom:90px;border-top:1px solid var(--line)}.faq h2{font-size:35px}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-size:17px;color:var(--blue);font-weight:600}details p{font-size:16px;margin:15px 0 0;color:#626359}footer{border-top:1px solid var(--line);padding-top:30px;padding-bottom:35px;display:flex;align-items:center;justify-content:space-between;gap:30px}footer p,footer>span{font-size:12px;line-height:1.5;margin:0;color:#60665e}dialog{border:0;padding:16px;background:var(--cream);width:min(720px,94vw);max-height:95vh}dialog::backdrop{background:#102d47bd;backdrop-filter:blur(4px)}.dialog-top{display:flex;justify-content:space-between;gap:20px;font-size:13px;margin-bottom:15px;align-items:center}.dialog-top button{border:1px solid var(--blue);padding:6px 12px;background:transparent;cursor:pointer;color:var(--blue)}dialog img{width:100%;display:block}@media(max-width:900px){.wrap{padding-left:28px;padding-right:28px}header{padding:24px 28px}nav>a:not(.nav-cta){display:none}.hero{gap:20px;min-height:650px}h1{font-size:60px}.book{width:230px}.book-stage:before{width:300px;height:300px}.book-stage{min-height:480px}.round-stamp{right:0;width:100px;height:100px}.quiz-layout,.contents,.author-layout,.offer{gap:40px}h2{font-size:37px}.sample-image{padding:12px}.sample-grid{gap:15px}.quiz-paper{padding:26px}.section-heading{gap:25px}}@media(max-width:620px){body{font-size:17px}header{padding:21px 22px}.brand{font-size:24px}.nav-cta{font-size:12px;padding:8px 12px}.nav-cta span{margin-left:7px}.wrap{padding-left:24px;padding-right:24px}.hero{grid-template-columns:1fr;padding-top:40px;padding-bottom:45px;gap:24px}h1{font-size:62px}.intro{font-size:21px}.hero-text{font-size:16px}.eyebrow{font-size:10px}.book-stage{min-height:440px}.book{width:240px}.book-stage:before{width:330px;height:330px}.top-note{top:0;left:0;font-size:24px}.arrow{left:95px;top:15px;width:75px}.round-stamp{bottom:5px;right:5px}.ribbon div{justify-content:flex-start}.samples{padding-top:58px;padding-bottom:55px}.section-heading{display:block}.section-heading h2{font-size:37px}.section-heading p{max-width:none}.sample-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:15px}.sample{flex:0 0 82%;scroll-snap-align:start}.sample-caption h3{font-size:18px}.sample-image{padding:18px}.quiz-section{padding:52px 0}.quiz-layout,.contents,.author-layout,.offer,.faq{grid-template-columns:1fr;gap:30px}.quiz-layout h2{font-size:40px}.quiz-paper{transform:rotate(.5deg);padding:24px}.contents{padding-top:60px;padding-bottom:55px;gap:15px}.margin-note{display:none}.chapters li{padding:20px 0}.author{padding:45px 0}.author-layout{gap:25px}.author-mark{max-width:310px;margin:auto}.author-layout h2{font-size:34px}.offer{padding-top:60px;padding-bottom:55px;gap:35px}.offer-visual{max-width:330px;width:100%;margin:auto;padding-top:35px}.offer-visual img{width:190px}.offer h2{font-size:36px}.faq{padding-top:35px;padding-bottom:50px;gap:0}.faq h2{font-size:35px}footer{flex-wrap:wrap;gap:22px}footer>span{width:100%}.dialog-top{font-size:11px}.dialog-top button{white-space:nowrap}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.checkout[aria-disabled="true"]{opacity:.65;cursor:not-allowed;pointer-events:none}

.lesson-preview{padding-top:30px;padding-bottom:84px}.lesson-frame{max-width:900px;margin:36px auto 0;border-radius:16px;overflow:hidden;background:#1F4E8C;box-shadow:0 18px 50px #1e1e1e14}.lesson-frame video{display:block;width:100%;height:auto;aspect-ratio:16/9}.lesson-disclaimer{max-width:900px;margin:18px auto 0;font-size:15px;line-height:1.6;color:#555}.lesson-disclaimer strong{color:#1F4E8C}@media(max-width:650px){.lesson-preview{padding-bottom:48px}.lesson-frame{margin-top:24px;border-radius:10px}}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.campaign-hero{max-width:1440px;margin:auto}.campaign-image{display:block;width:100%;height:auto}.campaign-actions{padding:28px 56px 36px;display:flex;justify-content:space-between;align-items:center;gap:24px;background:var(--cream)}.campaign-actions strong{font-size:22px;color:var(--blue)}.campaign-actions p{margin:4px 0 8px;font-size:16px}.campaign-price{font-size:27px;font-weight:700;color:var(--blue)}.campaign-price small{font-size:15px;font-weight:400;margin-left:8px}.campaign-links{display:flex;align-items:center;gap:24px}@media(max-width:700px){.campaign-actions{padding:22px 24px 28px;display:block}.campaign-actions strong{font-size:21px}.campaign-links{margin-top:18px;align-items:flex-start;flex-direction:column;gap:16px}.campaign-links .button{width:100%;text-align:center}}

.intro{padding-block:clamp(24px,4vw,52px);text-align:left}.intro h1{font:600 clamp(32px,5vw,64px)/1.05 Georgia,serif;color:#1f4e8c;margin:.25em 0}.intro p{max-width:70ch}.author-photo{width:100%;height:auto;border-radius:12px}
.intro .reader-question{font:600 clamp(1.35rem,3vw,2rem)/1.2 "Source Serif 4",Georgia,serif;color:#1F4E8C;border-left:4px solid #C65D3B;padding-left:.65em;margin:.75em 0 .4em}.intro .reader-question strong{font-weight:inherit}

/* Approved ebook offer, 04 November 2026. */
.campaign-hero .intro {max-width:850px;padding-top:20px;padding-bottom:18px}
.campaign-hero .intro h1 {font-size:clamp(30px,5vw,54px);margin:8px 0 12px}
.hero-summary {font-size:17px;line-height:1.4;margin:0 0 12px}
.hero-benefits {font-size:16px;line-height:1.4;padding-left:20px;margin:0 0 12px}
.hero-price {font-size:27px;font-weight:700;color:#1f4e8c;margin:8px 0}
.hero-byline {font-size:14px;margin:8px 0 0}
.independence {flex-basis:100%;font-size:14px}
@media(max-width:700px){
header {padding:12px 20px}
.campaign-hero .intro {padding:14px 20px 16px}
.campaign-hero .checkout {display:block;text-align:center;padding:14px 12px}
.campaign-hero .eyebrow {margin:0;font-size:10px}
}

/* Small nationality-context addition, 05 November. */
.nationality-note{font-size:16px;line-height:1.35;margin:0 0 10px}
.euro-note{font-size:14px;line-height:1.3;margin:0 0 10px}
@media(max-width:620px){
.campaign-hero .intro h1{font-size:30px;line-height:1.05;margin:6px 0 8px}
.campaign-hero .hero-summary{font-size:16px;line-height:1.3;margin-bottom:8px}
.campaign-hero .nationality-note{font-size:15px;line-height:1.3;margin-bottom:8px}
.campaign-hero .hero-benefits{font-size:15px;line-height:1.3;margin-bottom:8px}
.campaign-hero .hero-price{margin:6px 0 2px}
.campaign-hero .euro-note{margin-bottom:8px}
}

.cultural-note{font-size:14px;line-height:1.35;margin:0 0 10px;color:#1F4E8C;font-weight:600}.author-short{border-top:1px solid #d9d6cd;padding-top:18px;margin:18px 0}.author-short h3{font-size:20px}.author-short p{font-size:15px;line-height:1.5;margin:6px 0}.thank-you{max-width:720px;margin:50px auto;padding:0 24px 80px}.thank-you h1{font:500 clamp(36px,7vw,54px)/1.1 Georgia,serif;color:#1F4E8C}.thank-you p{font-size:18px;line-height:1.55}.thank-you .eyebrow{font-size:12px}.thank-you .next-course{border-top:1px solid #d9d6cd;margin-top:30px;padding-top:24px}.thank-you .next-course[hidden]{display:none!important}.thank-you .button{display:inline-flex;text-decoration:none}.thank-you h2{font-size:32px}.thank-you .fine{font-size:14px}.thank-footer{display:block;padding:24px}.thank-footer .cookie-links{padding:0}
@media(max-width:620px){.campaign-hero .intro h1{font-size:29px}.campaign-hero .intro{padding-top:10px}.campaign-hero .hero-summary{font-size:15px}.campaign-hero .nationality-note{font-size:14px;line-height:1.25}.campaign-hero .hero-benefits{font-size:14px;line-height:1.25}.cultural-note{font-size:13px;margin-bottom:8px}.campaign-hero .hero-price{font-size:26px}.campaign-hero .checkout{padding:12px;min-height:46px}.thank-you{margin-top:28px}.thank-you p{font-size:16px}.thank-you .button{display:flex;text-align:center}}