*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{--bg:#faf6eb;--ink:#132e40;--muted:#5b716f;--accent:#087c6b;--soft:#e8efdf;--line:#d9dfcc;--button:#153e35;margin:0;color:var(--ink);background:var(--bg);font:15px/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit}img{max-width:100%;height:auto;display:block}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #cc8e38;outline-offset:5px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,serif;font-weight:500;letter-spacing:-2.5px;line-height:1.06}h1{font-size:clamp(44px,5.4vw,78px);margin-bottom:25px}h2{font-size:clamp(35px,4vw,53px);margin-bottom:22px}h3{font-size:21px;line-height:1.25}h1 em,h2 em{color:var(--accent);font-weight:400}button{border:0}.wrap{max-width:1160px;margin:auto;width:calc(100% - 72px)}.preview-ribbon{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:9px 28px;background:var(--soft);color:var(--muted);font-size:10px}.preview-ribbon a{text-decoration:none}.preview-ribbon button{font-size:10px;background:none;color:inherit;padding:0}.header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 36px;max-width:1280px;margin:auto}.brand{display:flex;align-items:center;gap:8px;text-decoration:none;letter-spacing:-.6px;font-size:17px}.brand-icon{font:bold 26px Georgia;color:var(--accent)}nav{display:flex;gap:30px;font-size:12px}nav a{text-decoration:none}.nav-cta{padding:10px 16px;border:1px solid var(--ink);border-radius:30px;font-size:11px;font-weight:650;background:transparent}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;padding:52px 0 74px;min-height:680px}.eyebrow{color:var(--accent);font-size:10px;font-weight:750;letter-spacing:1.65px;margin-bottom:20px}.intro{font-size:16px;color:var(--muted);max-width:475px;line-height:1.8}.price{display:flex;align-items:center;gap:23px;margin:26px 0 21px}.price small{display:block;font-size:10px;text-transform:uppercase;letter-spacing:1px;line-height:1.4;margin-bottom:5px}.price-was{color:var(--muted)}.price-was s{font-size:23px}.price-now strong{font-size:34px;font-weight:750;line-height:1;letter-spacing:-1px}.price-now small{color:var(--accent);font-weight:700}.saving{font-size:10px;padding:5px 9px;background:var(--soft);border-radius:20px;color:var(--accent);font-weight:700}.cta{display:inline-flex;justify-content:space-between;align-items:center;gap:35px;background:var(--button);color:#fff;padding:15px 22px;border-radius:7px;font-size:14px;font-weight:650;min-height:50px;text-decoration:none;transition:transform .22s,box-shadow .22s}.cta:hover{transform:translateY(-3px);box-shadow:0 6px 16px #10232025}.cta span{font-size:21px;line-height:1}.sample-link{display:inline-block;font-size:12px;text-underline-offset:5px;margin:18px 0 0 20px}.delivery{color:var(--muted);font-size:10px;margin:17px 0 0}.hero-mobile-action{display:none}.book-stage{position:relative;display:grid;place-items:center;isolation:isolate;min-height:500px}.book-object{width:64%;max-width:310px;position:relative;z-index:2;transform:rotate(-7deg);animation:float 7s ease-in-out infinite;filter:drop-shadow(16px 23px 12px #1c2e3326)}.book-object:after{content:'';position:absolute;inset:0;border-radius:3px 8px 8px 3px;box-shadow:inset 8px 0 8px #3c382328,inset -2px 0 3px #fff8;pointer-events:none}.cover{border-radius:3px 8px 8px 3px}.notebook .book-stage:before{content:'';position:absolute;inset:25px 6px;background:#e6edde;border-radius:49% 46% 43% 48%;z-index:-1;transform:rotate(10deg)}.scribble{position:absolute;right:0;top:-2px;font-size:104px;line-height:1;color:#d3a139;animation:rotate 35s linear infinite}.floating-label{font:italic 16px Georgia;color:#477067;position:absolute;z-index:3}.top-label{top:2px;left:-10px;transform:rotate(-7deg)}.bottom-label{bottom:20px;right:-10px;transform:rotate(-5deg);background:#f5d68b;padding:9px 14px;box-shadow:2px 3px #c5ae71}.tiny-chart{display:flex;align-items:end;gap:5px;position:absolute;left:12px;bottom:32px;transform:rotate(6deg);height:54px}.tiny-chart span{width:13px;background:#6d9e83;border-radius:2px 2px 0 0;height:35%;animation:bar 5s ease-in-out infinite alternate;transform-origin:bottom}.tiny-chart span:nth-child(2){height:50%;animation-delay:.3s}.tiny-chart span:nth-child(3){height:75%;animation-delay:.6s}.tiny-chart span:nth-child(4){height:100%;animation-delay:.9s}.fact-strip{display:flex;align-items:center;justify-content:center;gap:0;background:var(--soft);padding:24px 20px}.fact-strip>div{padding:0 75px;border-right:1px solid var(--line);display:flex;align-items:center;gap:14px}.fact-strip>div:last-child{border:0}.fact-strip strong{font:35px Georgia}.fact-strip span{font-size:11px;color:var(--muted);max-width:70px;line-height:1.4}.learning{padding-block:105px}.learning-heading{display:flex;justify-content:space-between;gap:80px;align-items:center}.learning-heading>p{max-width:370px;color:var(--muted)}.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}.lesson-grid article{padding:30px;background:#e5ede0;border-radius:10px;position:relative;transition:transform .25s}.lesson-grid article:nth-child(2){background:#f1e3c6;transform:rotate(1deg)}.lesson-grid article:nth-child(3){background:#e6e1ef}.lesson-grid article:hover{transform:translateY(-5px)}.lesson-grid small{font-size:9px;font-weight:750;letter-spacing:1.2px}.lesson-grid h3{font-family:Georgia;font-weight:500;font-size:27px;margin:28px 0 15px}.lesson-grid p{font-size:13px;color:var(--muted);margin:0}.lesson-symbol{position:absolute;right:22px;top:12px;color:var(--accent);font:45px Georgia;opacity:.5}.chapters{padding:96px 0;background:var(--soft)}.section-top{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:35px}.section-top h2{margin:0}.section-top>p{color:var(--muted);font-size:13px;margin:0}.chapter-list{display:grid;grid-template-columns:1fr 1fr;gap:0 35px}.chapter-list details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;gap:20px;align-items:center;padding:22px 0}summary::-webkit-details-marker{display:none}.topic-num{font-size:10px;color:var(--accent);font-weight:700}.topic-plus{margin-left:auto;font-size:22px;color:var(--accent);transition:transform .25s}.chapter-list b{font-size:17px;font-weight:550}.chapter-list small{display:block;color:var(--muted);font-size:11px;margin-top:3px}details[open] .topic-plus{transform:rotate(45deg)}.chapter-answer{padding:0 0 20px 33px;font-size:13px;color:var(--muted);max-width:440px}.chapter-answer span{font-size:10px;color:var(--accent)}.chapter-extra{display:flex;gap:16px;align-items:center;margin-top:32px;font-size:12px;color:var(--muted)}.chapter-extra p{margin:0}.chapter-extra>span{font-size:9px;letter-spacing:1px;border:1px solid var(--line);padding:3px 8px;border-radius:4px}.samples{padding-block:100px}.sample-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:10px 3px 20px}.sample-track::-webkit-scrollbar{display:none}.sample-card{min-width:calc((100% - 40px)/3);width:calc((100% - 40px)/3);padding:0;text-align:left;scroll-snap-align:start;background:none}.sample-image{padding:23px;background:var(--soft);position:relative;border:1px solid var(--line);border-radius:6px;transition:transform .3s}.sample-image img{width:100%;box-shadow:4px 9px 15px #132e401c}.sample-card:hover .sample-image{transform:translateY(-6px)}.expand-icon{position:absolute;bottom:13px;right:13px;width:33px;height:33px;border-radius:50%;display:grid;place-items:center;color:var(--bg);background:var(--ink)}.sample-caption{display:flex;justify-content:space-between;align-items:center;padding-top:15px;font-size:12px}.sample-caption small{color:var(--muted);font-size:9px}.sample-controls{display:flex;justify-content:space-between;align-items:center;margin-top:10px;color:var(--muted);font-size:11px}.sample-controls button{width:42px;height:42px;background:var(--soft);border:1px solid var(--line);border-radius:50%;margin-left:6px}.offer-band{background:var(--soft);padding:70px 0}.offer-content{display:flex;align-items:center;justify-content:space-between;gap:50px}.offer-content>div:first-child>p:last-child{color:var(--muted)}.offer-content .price{margin-top:0}.offer-content .cta{width:100%}.preview-end{padding:40px 0 100px;text-align:center;font-size:12px;color:var(--muted)}.preview-end>span{letter-spacing:2px;font-size:9px}.preview-end p{margin:12px auto;max-width:450px}.preview-end a{text-underline-offset:5px;font-weight:650}.sticky-offer{display:none}dialog{background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:15px;padding:35px;max-width:460px;width:calc(100% - 30px);max-height:90dvh;overflow:auto;box-shadow:0 30px 100px #0004}dialog::backdrop{background:#081c2c99;backdrop-filter:blur(6px)}dialog .close{position:sticky;top:0;float:right;width:32px;height:32px;border-radius:50%;background:var(--soft);color:var(--ink);font-size:23px;z-index:3}dialog h2{font-size:35px;letter-spacing:-1px}.order-product{display:flex;gap:18px;align-items:center;border-block:1px solid var(--line);padding:18px 0;margin:22px 0}.order-product img{width:65px}.order-product h3{font-size:16px;margin:0}.order-product p{font-size:11px;margin:8px 0 0;color:var(--muted)}.checkout-note{font-size:12px;color:var(--muted)}dialog .cta{width:100%}#image-dialog{max-width:690px;padding:12px}#image-dialog>.close{position:fixed;right:20px;top:20px;background:#fff;color:#132e40;box-shadow:0 2px 9px #0004}#image-dialog img{width:100%;height:auto}.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s,transform .65s}.reveal.visible{opacity:1;transform:none}
/* Direction 02: angular, dark, interactive. */
.vault{--bg:#0d191c;--ink:#eff3e8;--muted:#a7bcb6;--accent:#d5fa83;--soft:#17282b;--line:#314340;--button:#d5fa83}.vault h1,.vault h2{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-weight:650;letter-spacing:-3.5px}.vault h1 em,.vault h2 em{font-style:normal}.vault h1{font-size:clamp(44px,5.3vw,73px)}.vault .cta{border-radius:3px;color:#152119}.vault .nav-cta{border-color:#566749;border-radius:3px}.vault .hero{gap:45px}.vault .book-stage{background:radial-gradient(ellipse at center,#426b3833,transparent 65%);min-height:520px;overflow:hidden}.vault .book-object{width:57%;transform:rotate(9deg);animation-name:float-reverse;filter:drop-shadow(12px 26px 25px #0008)}.orbit{position:absolute;width:98%;aspect-ratio:1;border:1px dashed #526348;border-radius:50%;transform:rotate(-20deg);animation:rotate 60s linear infinite}.orbit:after{content:'';width:10px;height:10px;border-radius:50%;background:var(--accent);position:absolute;top:22%;left:8%}.orbit.second{width:80%;border-style:solid;opacity:.5;animation-direction:reverse}.orbit-label{font:9px monospace;color:var(--accent);position:absolute;background:var(--bg);border:1px solid var(--line);padding:8px 12px;z-index:3;letter-spacing:1px}.orbit-label.first{top:19%;right:0}.orbit-label.last{bottom:24%;left:0}.data-strip{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:14px 5px;font:10px monospace;color:var(--muted)}.data-strip i{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-right:7px}.vault .fact-strip{background:var(--bg);border-block:1px solid var(--line)}.vault .fact-strip strong{font-family:monospace;color:var(--accent)}.vault .lesson-grid article,.vault .lesson-grid article:nth-child(2),.vault .lesson-grid article:nth-child(3){border:1px solid var(--line);background:transparent;border-radius:0;transform:none}.vault .lesson-grid h3{font-family:inherit;font-size:23px}.vault .lesson-symbol{color:var(--accent)}.vault .chapters{background:#142327}.explorer{display:grid;grid-template-columns:1fr 1.3fr;gap:45px}.topic-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-content:start}.topic-tabs button{display:flex;justify-content:space-between;gap:8px;text-align:left;background:var(--bg);padding:14px;color:var(--muted);border:1px solid var(--line);font-size:12px}.topic-tabs button[aria-selected=true]{color:#11201a;background:var(--accent);border-color:var(--accent)}#topic-panel{background:var(--bg);padding:35px;border:1px solid var(--line);min-height:325px}.panel-number{font:11px monospace;color:var(--accent)}#topic-panel h3{font-size:29px;margin-top:35px}#topic-panel p{color:var(--muted);font-size:14px}#topic-panel a{font-size:11px;color:var(--accent);text-underline-offset:6px}.diagram{display:flex;align-items:center;gap:10px;justify-content:space-between;margin-top:30px;font:9px monospace;color:var(--accent)}.diagram>span{border:1px solid var(--line);padding:12px 8px}.diagram i{font-size:17px;animation:signal 2.5s ease-in-out infinite}.vault .offer-band{background:#d5fa83;color:#10201a;--ink:#10201a;--muted:#44533e;--accent:#385b23;--soft:#c5ea75;--button:#10201a}.vault .offer-band .cta{color:#e3f1dc}.vault .sample-image{border-radius:0}.vault .expand-icon{border-radius:0}
/* Direction 03: editorial scale and terracotta blocks. */
.editorial{--bg:#f7f2e9;--ink:#292441;--muted:#767081;--accent:#d35436;--soft:#eee4d8;--line:#d5cbbb;--button:#292441}.editorial .brand-icon{color:var(--accent)}.editorial .preview-ribbon{background:#292441;color:#e8e2ec}.editorial h1{font-size:clamp(54px,6.9vw,97px);letter-spacing:-5px;line-height:.96}.editorial h1 em{color:inherit}.editorial .hero{gap:60px;grid-template-columns:1.1fr 1fr;padding-top:45px}.editorial .hero .eyebrow{max-width:300px;font-size:9px}.editorial .book-stage{min-height:575px;background:#d75638;border-radius:190px 190px 0 0;align-self:stretch;overflow:hidden}.giant-type{position:absolute;top:-80px;left:12px;z-index:-1;color:#f097654d;font:500 380px Georgia;letter-spacing:-50px}.editorial .book-object{width:64%;transform:rotate(8deg);animation-name:float-reverse}.edition-tag{position:absolute;right:18px;top:40px;color:#f8edce;border:1px solid #f8edce88;border-radius:50%;padding:18px 15px;font-size:9px;text-align:center;line-height:1.3;transform:rotate(14deg);z-index:3}.edition-tag b{font:20px Georgia}.stage-caption{position:absolute;bottom:21px;font-size:8px;letter-spacing:1.4px;color:#fff0db}.editorial .cta{border-radius:0}.editorial .nav-cta{border-radius:0}.editorial .fact-strip{background:#292441;color:#f4ead5}.editorial .fact-strip span{color:#d0bfcf}.editorial .fact-strip>div{border-color:#51485d}.editorial .lesson-grid{gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.editorial .lesson-grid article,.editorial .lesson-grid article:nth-child(2),.editorial .lesson-grid article:nth-child(3){background:none;border-radius:0;border-right:1px solid var(--line);transform:none}.editorial .lesson-grid article:last-child{border:0}.editorial .lesson-symbol{color:#d35436}.editorial .chapters{background:#ece4d8}.editorial .chapter-list{grid-template-columns:1fr}.editorial .chapter-list summary{padding:22px 0;gap:50px}.editorial .chapter-list b{font:28px Georgia}.editorial .chapter-list small{display:inline;margin-left:50px;font-size:12px}.editorial .chapter-answer{padding-left:65px;max-width:650px}.editorial .sample-image{border-radius:0;background:#e8d8c9;padding:25px}.editorial .offer-band{background:#d75638;--ink:#fff3de;--muted:#ffe3cf;--accent:#fff3de;--soft:#b4402b;color:#fff3de}.editorial .saving{border:1px solid #f5b69d}.editorial .offer-band h2{font-size:60px}.editorial .offer-band .cta{background:#f7f2e9;color:#292441}
@keyframes float{0%,100%{transform:translateY(0) rotate(-7deg)}50%{transform:translateY(-11px) rotate(-4deg)}}@keyframes float-reverse{0%,100%{transform:translateY(0) rotate(8deg)}50%{transform:translateY(-10px) rotate(5deg)}}@keyframes rotate{to{transform:rotate(360deg)}}@keyframes bar{to{transform:scaleY(.7)}}@keyframes signal{50%{opacity:.3;transform:translateX(4px)}}.paused *,.paused *:before,.paused *:after{animation-play-state:paused!important;scroll-behavior:auto!important;transition:none!important}.paused .reveal{opacity:1;transform:none}
@media(max-width:1000px){.hero{gap:25px}.fact-strip>div{padding:0 45px}.hero .sample-link{display:block;margin-left:0}.editorial h1{font-size:69px}.editorial .hero{gap:35px}.editorial .book-stage{min-height:540px}.intro{font-size:15px}.learning-heading{gap:40px}.editorial .chapter-list small{margin-left:22px}.explorer{gap:20px}#topic-panel{padding:24px}}
@media(max-width:700px){html{scroll-padding-top:25px}.wrap{width:calc(100% - 40px)}.preview-ribbon{padding:8px 14px;font-size:8px;gap:5px}.preview-ribbon button{font-size:8px}.header{padding:16px 20px;gap:8px}.brand{font-size:14px}.brand-icon{font-size:23px}nav{display:none}.nav-cta{font-size:9px;padding:8px 11px}.hero{display:flex;flex-direction:column;gap:0;min-height:0;padding:26px 0 36px}.hero-copy{width:100%}.hero h1{font-size:43px;letter-spacing:-1.9px;line-height:1.02;max-width:390px;margin-bottom:15px}.hero .eyebrow{font-size:8px;letter-spacing:1.1px;margin-bottom:14px}.intro{font-size:13px;line-height:1.65;margin-bottom:12px}.hero-desktop-action{display:none}.hero-mobile-action{display:block;width:100%;margin-top:8px}.hero-mobile-action .price{margin:12px 0 15px;justify-content:center}.hero-mobile-action .cta{width:100%;min-height:47px}.hero-mobile-action .sample-link{display:block;text-align:center;font-size:11px;margin:15px 0 0}.hero-mobile-action .delivery{text-align:center;font-size:9px;margin-top:12px}.book-stage{min-height:250px;width:100%;margin:10px 0 0}.book-object{width:41%;max-width:170px}.notebook .book-stage:before{inset:15px 27px 8px}.scribble{right:5px;font-size:68px;top:12px}.floating-label{font-size:10px}.top-label{top:25px;left:0;max-width:80px}.bottom-label{bottom:10px;right:2px;padding:6px 8px;font-size:10px}.tiny-chart{left:10px;bottom:29px;height:38px}.tiny-chart span{width:10px}.price{gap:21px}.price small{font-size:8px}.price-was s{font-size:21px}.price-now strong{font-size:30px}.saving{font-size:9px}.fact-strip{padding:20px 8px;justify-content:space-around}.fact-strip>div{display:block;text-align:center;padding:0 13px;flex:1}.fact-strip strong{display:block;font-size:27px;line-height:1.3}.fact-strip span{display:block;font-size:8px;max-width:none;white-space:nowrap}.learning{padding-block:62px}.eyebrow{font-size:8px;letter-spacing:1.2px}h2{font-size:36px;letter-spacing:-1.7px}.learning-heading{display:block}.learning-heading>p{font-size:13px}.lesson-grid{grid-template-columns:1fr;gap:12px;margin-top:26px}.lesson-grid article{padding:22px}.lesson-grid h3{font-size:25px;margin:20px 0 10px}.lesson-grid p{font-size:12px}.lesson-grid small{font-size:8px}.lesson-symbol{font-size:37px}.chapters{padding:62px 0}.section-top{display:block;margin-bottom:28px}.section-top>p{font-size:12px;margin-top:18px}.chapter-list{grid-template-columns:1fr}.chapter-list summary{padding:18px 0;gap:14px}.chapter-list b{font-size:16px}.chapter-list small{font-size:10px}.chapter-answer{font-size:12px;padding-left:27px}.chapter-extra{font-size:11px;align-items:start}.samples{padding-block:62px}.sample-track{gap:20px;margin-right:-20px;padding-right:20px}.sample-card{min-width:83%;width:83%}.sample-image{padding:17px}.sample-caption{font-size:11px}.sample-controls>span{font-size:10px}.offer-band{padding:45px 0}.offer-content{display:block}.offer-content>div:first-child>p:last-child{font-size:12px}.offer-content .price{margin-top:28px}.offer-content .delivery{font-size:9px}.preview-end{padding:32px 0 105px;font-size:11px}.sticky-offer{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:20;background:var(--bg);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));align-items:center;justify-content:space-between;gap:18px;transform:translateY(120%);transition:transform .3s;box-shadow:0 -5px 30px #0001}.sticky-offer.shown{transform:translateY(0)}.sticky-offer>div{line-height:1.4}.sticky-offer small{display:block;font-size:7px;letter-spacing:1px;color:var(--accent);font-weight:750}.sticky-offer s{font-size:11px;color:var(--muted);margin-right:5px}.sticky-offer b{font-size:20px}.sticky-offer .cta{padding:10px 20px;min-height:43px;font-size:12px}dialog{padding:23px}dialog h2{font-size:32px}.vault h2{letter-spacing:-1.8px}.vault .hero{gap:0}.vault .hero h1{font-size:42px;letter-spacing:-2px}.vault .book-stage{min-height:270px;margin-top:0}.vault .book-object{width:40%}.orbit{width:240px}.orbit.second{width:200px}.orbit-label{font-size:7px;padding:5px 7px}.orbit-label.first{top:17%;right:3%}.orbit-label.last{bottom:27%;left:0}.data-strip{padding:9px 0;font-size:8px}.explorer{display:flex;flex-direction:column}.topic-tabs{display:flex;overflow-x:auto;scrollbar-width:none;padding-bottom:5px;gap:7px}.topic-tabs button{flex:0 0 auto;padding:10px 13px;font-size:11px}.topic-tabs span{display:none}#topic-panel{min-height:295px;padding:23px}#topic-panel h3{font-size:25px}.diagram{margin-top:22px}.vault .sample-image{padding:17px}.editorial .hero{display:grid;grid-template-columns:1fr;gap:0;padding-top:20px}.editorial .hero h1{font-size:53px;letter-spacing:-2.9px;line-height:.98}.editorial .hero .eyebrow{font-size:7px;max-width:none}.editorial .intro{font-size:12px}.editorial .book-stage{min-height:280px;width:100%;margin:7px 0 8px;border-radius:130px 130px 0 0}.editorial .book-object{width:41%;max-width:145px}.giant-type{font-size:290px;top:-70px;left:18px}.edition-tag{right:18px;top:26px;font-size:7px;padding:12px 10px}.edition-tag b{font-size:15px}.stage-caption{font-size:6px;bottom:10px;letter-spacing:1px}.editorial .lesson-grid article,.editorial .lesson-grid article:nth-child(2),.editorial .lesson-grid article:nth-child(3){border-right:0;border-bottom:1px solid var(--line)}.editorial .lesson-grid article:last-child{border:0}.editorial .chapter-list summary{gap:18px;padding:18px 0}.editorial .chapter-list b{font-size:23px}.editorial .chapter-list small{display:block;margin:4px 0 0;font-size:10px}.editorial .chapter-answer{padding-left:32px}.editorial .sample-image{padding:17px}.editorial .offer-band h2{font-size:42px}}
@media(max-width:350px){.hero h1{font-size:38px}.vault .hero h1{font-size:36px}.editorial .hero h1{font-size:46px}.wrap{width:calc(100% - 30px)}.preview-ribbon{font-size:7px;padding:7px 9px}.preview-ribbon button{font-size:7px}.header{padding:14px 15px}.nav-cta{font-size:8px}.fact-strip>div{padding:0 6px}.fact-strip span{font-size:7px}.book-stage{min-height:230px}}
@media(min-width:1001px){.editorial h1{font-size:76px;letter-spacing:-3.8px}.editorial .hero{min-height:720px}}
.sample-controls button:disabled{opacity:.35;cursor:default}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
.nav-cta{text-decoration:none;white-space:nowrap}.preview-ribbon>span{font-size:9px}.author-section{display:grid;grid-template-columns:180px 1fr;gap:60px;align-items:center;padding-block:85px;border-bottom:1px solid var(--line)}.author-initials{display:grid;place-items:center;aspect-ratio:1;background:var(--soft);color:var(--accent);font:65px Georgia;border-radius:45% 55% 50% 45%;transform:rotate(-6deg)}.author-section p{max-width:730px;color:var(--muted);font-size:14px}.author-section .author-byline{font-size:12px;color:var(--ink)}.small-print{font-size:11px!important;color:var(--muted)}.faq-section{padding-block:85px}.faq-list{max-width:830px}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{justify-content:space-between;font-size:16px}.faq-list summary>span{color:var(--accent);font-size:22px}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list p{color:var(--muted);font-size:13px;padding-bottom:16px;overflow-wrap:anywhere}.site-footer{padding:55px 0 25px;background:#173d35;color:#e9f0e4}.footer-columns{display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:38px}.site-footer .brand-icon,.site-footer .eyebrow{color:#d4dda9}.site-footer p{font-size:12px;color:#c2d2c7}.site-footer a{font-size:12px;text-underline-offset:5px}.site-footer .brand{font-size:17px}.email-link{overflow-wrap:anywhere}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #ffffff26;padding-top:22px;margin-top:40px;font-size:10px;color:#bccfc3}.contact-page{max-width:800px;padding-block:75px}.contact-page h1{font-size:64px}.contact-email{display:block;color:var(--accent);font-size:23px;overflow-wrap:anywhere;text-underline-offset:7px}.contact-card{background:var(--soft);padding:30px;margin:45px 0;border-radius:12px}.contact-card h2{font-size:30px;letter-spacing:-1px}.contact-card li{padding:5px 0;font-size:14px}.contact-card p{font-size:12px;color:var(--muted)}@media(max-width:700px){.preview-ribbon>span{font-size:7px}.preview-ribbon>span:nth-child(2){display:none}.author-section{grid-template-columns:1fr;gap:28px;padding-block:60px}.author-initials{width:100px;font-size:40px}.faq-section{padding-block:60px}.faq-list summary{font-size:14px;gap:15px}.footer-columns{grid-template-columns:1fr;gap:25px}.site-footer{padding-bottom:110px}.footer-bottom{gap:20px;align-items:start}.contact-page{padding-block:45px}.contact-page h1{font-size:43px}.contact-email{font-size:17px}.contact-card{padding:22px}.contact-card h2{font-size:28px}.contact-card ol{padding-left:18px}}
/* MOBILE CHECKOUT CLEARANCE START */
/* Keep Netlify attribution in its own top row, away from mobile checkout. */
@media (max-width: 700px) {
body {
padding-top: 76px;
}
#nl-badge-frame {
position: fixed !important;
top: 0 !important;
bottom: auto !important;
}
.sticky-offer {
bottom: 0;
padding-bottom: 10px;
padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
}
.site-footer {
padding-bottom: 110px;
padding-bottom: calc(110px + env(safe-area-inset-bottom, 0px));
}
/* Keep consent choices above the raised checkout bar while it is shown. */
.sticky-offer.shown ~ .advertising-consent {
bottom: 84px;
bottom: calc(84px + env(safe-area-inset-bottom, 0px));
max-height: calc(100vh - 180px);
max-height: calc(100dvh - 180px - env(safe-area-inset-bottom, 0px));
overflow: auto;
}
}
/* MOBILE CHECKOUT CLEARANCE END */