:root{--navy:#132332;--teal:#315b61;--cream:#f7f5ed;--gold:#e2ba70;--ink:#26383e}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--cream);color:var(--ink);font-family:Arial,sans-serif;font-size:16px;line-height:1.7}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Georgia,serif;font-weight:400;line-height:1.12}a{color:inherit}header{position:sticky;top:0;z-index:100;height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;background:var(--navy);color:white;border-bottom:1px solid #ffffff20}nav{display:flex;gap:32px;font-size:14px}nav a{text-decoration:none}.brand{font-size:11px;letter-spacing:4px;text-decoration:none;line-height:1.5}.brand span{display:block;font-size:18px;letter-spacing:1px;font-weight:bold}.button{display:inline-flex;align-items:center;justify-content:center;gap:26px;min-height:54px;padding:15px 25px;background:var(--gold);color:var(--navy);font-weight:700;font-size:13px;letter-spacing:.7px;text-decoration:none;border:0;cursor:pointer}.button:hover{background:#f1ce8d}.button span{font-size:22px}.button.small{font-size:13px;padding:10px 19px;min-height:44px}.hero{background:var(--navy);color:#f7f5ed;display:grid;grid-template-columns:1fr 1fr;min-height:670px;padding:62px 6% 60px;gap:4%}.eyebrow{font-size:12px;font-weight:700;letter-spacing:2px;color:var(--teal);margin-bottom:23px}.hero .eyebrow{color:var(--gold)}h1{font-size:clamp(52px,5.8vw,84px);letter-spacing:-2px;margin-bottom:25px}em{font-weight:400;color:var(--teal)}h1 em{color:var(--gold)}.hero-copy>p:not(.eyebrow){max-width:520px}.hero-copy>p{color:#d2d9dc;font-size:16px}.hero .subhead{font-size:24px;color:white;margin-bottom:15px}.hero .button{margin-top:10px}.hero .formats{font-size:13px;margin:15px 0 4px}.hero .disclosure{font-size:12px;color:#b3bfc5}.hero-art{position:relative;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#fdfdfb;border-radius:48% 48% 2px 2px;overflow:hidden}.hero-art img{width:100%;height:510px;object-fit:cover;object-position:center}.edition{font-size:12px;letter-spacing:2px;color:var(--navy);text-align:center;padding:0 15px 30px}.edition span{display:block;font-size:10px;letter-spacing:1.8px;margin-top:7px}.ribbon{display:flex;justify-content:space-evenly;background:#e9ede7;padding:23px 5%;color:var(--teal);font-size:14px;letter-spacing:.3px}.ribbon span:before{content:'✓';margin-right:12px}.section{padding:100px 7%;max-width:1600px;margin:auto}h2{font-size:clamp(34px,3.4vw,49px);letter-spacing:-1px;margin-bottom:22px}.intro{color:#617174}.questions{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:42px;border-top:1px solid #ccd0c7}.question{padding:25px 25px 25px 0;border-bottom:1px solid #ccd0c7;display:flex;gap:17px;align-items:start}.question .number{color:#577777;font-size:12px;padding-top:4px}.question h3{font-size:21px;line-height:1.4;margin:0}.endnote{font-size:12px;letter-spacing:2px;margin-top:28px;font-weight:bold}.breadth{background:#e9ede7;display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:center}.volume-shelf{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:13px}.volume-shelf img{width:21%;box-shadow:5px 12px 17px #10212a30}.volume-shelf img:nth-child(even){transform:translateY(-18px)}.volume-shelf p{width:100%;text-align:center;font-size:11px;letter-spacing:1.8px;margin:25px 0 0}.skip{position:fixed;left:10px;top:-100px;background:white;padding:10px;z-index:10}.skip:focus{top:10px}:focus-visible{outline:3px solid #ae7b29;outline-offset:5px}@media(max-width:800px){header{height:64px;padding:0 5%}nav{display:none}.brand span{font-size:14px}.brand{font-size:9px}.button.small{font-size:11px;padding:8px 12px;gap:9px}.hero{grid-template-columns:1fr;padding:40px 6%;gap:32px}.hero h1{font-size:59px}.hero-art{max-width:500px;width:100%;margin:auto}.hero-art img{height:390px}.ribbon{gap:12px;flex-wrap:wrap;font-size:12px}.section{padding:65px 6%}.questions{grid-template-columns:1fr 1fr}.question h3{font-size:18px}.breadth{grid-template-columns:1fr;gap:40px}}@media(max-width:440px){.questions{grid-template-columns:1fr}.hero .eyebrow{font-size:10px;letter-spacing:1.5px}.hero h1{font-size:54px}.hero .subhead{font-size:21px}.hero .button{width:100%;font-size:11px;gap:12px}.hero-art img{height:330px}}
.difference{display:grid;grid-template-columns:1.2fr 1fr;gap:5%}.difference aside{background:var(--teal);color:white;padding:35px 40px;align-self:center}.quote-mark{font:70px Georgia;color:var(--gold);line-height:1}.difference aside h3{font-size:33px}.difference aside p{color:#e0eaeb}.benefits{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;border-top:1px solid #c8cfc8;padding-top:35px;margin-top:30px}.benefits span{font-size:14px}.benefits span:before{content:'✓';color:var(--teal);margin-right:12px}.reviews{background:#fff}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.review-grid figure{margin:0;border-top:1px solid #d7ded7;padding-top:25px}.stars{color:#9b6e28;font-size:17px;letter-spacing:3px}.review-grid blockquote{margin:15px 0 22px;font:20px/1.5 Georgia,serif}.review-grid figcaption{font-size:13px;font-weight:bold}.review-grid figcaption span{display:block;color:#607074;font-size:12px;font-weight:400}.collection{display:grid;grid-template-columns:1fr 1fr;gap:7%;align-items:center}.collection-image img{width:100%;display:block}.collection-image p{text-align:center;font-size:14px;font-weight:700;letter-spacing:1px;margin:20px 0 0}.collection-image p span{font-size:12px;font-weight:400;letter-spacing:0}.checks{padding:0;list-style:none}.checks li{position:relative;padding:0 0 12px 26px}.checks li:before{content:'✓';position:absolute;left:0;color:var(--teal)}.formats{font-size:13px;margin:15px 0 4px}.disclosure{font-size:12px;color:#607074}.free{display:grid;grid-template-columns:.8fr 1.2fr;gap:10%;background:#e8eee8;align-items:center}.free-art{padding:30px;text-align:center}.free-art img{width:85%;max-width:330px;box-shadow:0 -10px 24px #13233240,0 0 14px #13233220,8px 12px 18px #13233230,18px 30px 44px #13233255;transform:rotate(-5deg);margin-top:34px}.free-label{font-size:12px;letter-spacing:3px;color:var(--teal)}.free ol{padding-left:23px;font-size:15px}.free li{padding:4px 0 4px 6px}.fields{display:grid;grid-template-columns:1fr 1.3fr;gap:15px;margin:25px 0 14px}label{font-size:13px;font-weight:bold}label span{font-weight:400}input{display:block;width:100%;min-height:48px;border:1px solid #9daa9e;background:#fbfcf9;border-radius:0;margin-top:5px;padding:10px;font-size:16px}.free .button{background:var(--teal);color:white;width:100%}.free .button:hover{background:#24474c}#signup-status{font-size:13px;margin:12px 0;color:#42565c}.consent{font-size:12px;line-height:1.6;color:#596966}.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:9%;align-items:center}.about>img{width:100%;border-radius:2px}.about blockquote{margin:25px 0 12px;font:italic 27px/1.4 Georgia;color:var(--teal)}.signature{font-size:14px}.final-cta{text-align:center;background:var(--navy);color:var(--cream);padding:85px 6%}.final-cta .eyebrow{color:var(--gold)}.final-cta h2{font-size:65px}.final-cta em{color:var(--gold)}.final-cta .free-link{display:block;margin:22px auto 0;font-size:14px;color:#d3dddd}footer{padding:30px 6%;display:flex;gap:25px;justify-content:space-between;align-items:center}footer p{font-size:12px;margin:0;color:#607074}footer>a:last-child{font-size:13px}@media(max-width:800px){.difference,.collection,.free,.about{grid-template-columns:1fr;gap:35px}.benefits{grid-template-columns:1fr 1fr}.review-grid{grid-template-columns:1fr 1fr}.difference aside{padding:30px}.collection-image{max-width:600px}.free-art{padding:0}.free-art img{max-width:200px;display:block;margin:25px auto}.about>img{max-width:420px}.final-cta h2{font-size:47px}footer{flex-wrap:wrap}.collection .button,.final-cta .button{font-size:11px;max-width:100%}}@media(max-width:440px){.review-grid{grid-template-columns:1fr}.fields{grid-template-columns:1fr}.benefits{font-size:12px;gap:16px}.benefits span{font-size:12px}.final-cta h2{font-size:42px}.final-cta .eyebrow{font-size:10px}.collection .button{padding:15px}.hero-art{border-radius:48% 48% 2px 2px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* The arch stays in the page flow while its book and caption drift together. */
.hero-art{padding-bottom:120px}
.arch-content{width:100%;transform:translate3d(0,var(--arch-offset,0px),0);will-change:transform}
@media(prefers-reduced-motion:reduce){.arch-content{transform:none;will-change:auto}}

/* Keep the signup shortcut reachable in the compact mobile toolbar. */
@media(min-width:801px) and (max-width:1100px){nav{gap:18px}}
@media(max-width:800px){
  header{height:auto;min-height:64px;flex-wrap:wrap;padding-top:8px;padding-bottom:6px;row-gap:2px}
  header nav{display:flex;order:3;width:100%;justify-content:center}
  header nav a{display:none}
  header nav .signup-nav{display:flex;align-items:center;justify-content:center;min-height:32px;padding:0 14px;font-size:14px}
  html{scroll-padding-top:116px}
}

.tracking-consent{position:fixed;bottom:12px;left:12px;right:12px;max-width:520px;margin:auto;padding:12px 14px;background:#fff;color:#132132;box-shadow:0 4px 32px #13213255;z-index:1000;border:1px solid #b8c2c0}.tracking-consent[hidden]{display:none}.tracking-consent p{font-size:14px;line-height:1.4;margin:0 0 8px}.tracking-consent>div{display:flex;gap:8px}.tracking-consent .button{flex:1;min-height:44px;padding:8px 14px;font-size:14px;justify-content:center}.tracking-settings{background:none;border:0;color:inherit;text-decoration:underline;font:inherit;cursor:pointer;padding:8px}

/* Draft: complete table of contents, revealed beneath the sample questions. */
.toc{margin-top:12px;border-top:1px solid #ccd0c7;border-bottom:1px solid #ccd0c7}.toc summary{cursor:pointer;list-style:none}.toc summary::-webkit-details-marker{display:none}.toc>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;color:var(--teal);font-size:18px;font-weight:700}.toc-toggle{flex:0 0 22px;width:22px;height:22px;position:relative}.toc-toggle:before,.toc-toggle:after{content:'';position:absolute;top:10px;left:4px;width:14px;height:2px;background:currentColor}.toc-toggle:after{transform:rotate(90deg)}details[open]>summary>.toc-toggle:after{transform:rotate(0deg)}.toc-body{padding:4px 0 26px}.toc-intro{font-size:16px;color:#617174;margin-bottom:22px}.toc-volume{border-top:1px solid #ccd0c7}.toc-volume>summary{display:flex;align-items:center;gap:18px;padding:20px 0;color:var(--ink)}.toc-volume>summary>span:first-child{font-family:Georgia,serif;font-size:26px}.toc-range{font-size:14px;color:#617174;margin-left:auto}.toc-volume ol{margin:0 0 24px;padding:0 0 0 40px;columns:2;column-gap:58px}.toc-volume li{padding:9px 8px 9px 7px;font-size:16px;line-height:1.55;break-inside:avoid}.toc-volume li::marker{color:var(--teal);font-variant-numeric:tabular-nums}.toc summary:hover{color:var(--teal)}@media(max-width:650px){.toc-volume ol{columns:1;padding-left:32px}.toc-volume>summary{gap:12px}.toc-volume>summary>span:first-child{font-size:23px}.toc-range{font-size:14px}.toc>summary{font-size:17px}.toc-volume li{padding-right:0}}

/* Match the contents reveal label to the endnote above it. */
.toc>summary{font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--ink)}

/* Increase the free-studies eyebrow by one typographic point. */
.free .eyebrow{font-size:calc(12px + 1pt)}

/* Draft: give the book and its caption more presence inside the arch. */
.hero-art img{transform:scale(1.14);transform-origin:center center}
.edition{font-size:14px;padding-top:18px;position:relative}
.edition span{font-size:12px}

/* Book trailer draft. */
.trailer{padding-top:70px;padding-bottom:64px;text-align:center}.trailer h2{margin-bottom:30px}.trailer-player{position:relative;aspect-ratio:16/9;max-width:960px;margin:auto;background:var(--navy);overflow:hidden;box-shadow:0 14px 34px #13233220}.trailer-play{display:block;width:100%;height:100%;border:0;padding:0;background:var(--navy);cursor:pointer;color:var(--navy)}.trailer-play img{display:block;width:100%;height:100%;object-fit:cover}.trailer-play-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:12px;background:var(--gold);padding:14px 24px;font-size:16px;font-weight:700;white-space:nowrap;box-shadow:0 4px 18px #13233255}.trailer-play:hover .trailer-play-label{background:#f1ce8d}.trailer-play-icon{font-size:22px}.trailer-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.trailer-note{font-size:14px;color:#617174;margin:18px 0 0}.trailer-note a{margin-left:8px}@media(max-width:650px){.trailer{padding-top:46px;padding-bottom:40px}.trailer-play-label{padding:10px 17px;font-size:14px}.trailer h2{margin-bottom:24px}}

/* Tighten the trailer section and its transition into the questions. */
.trailer{padding-top:38px;padding-bottom:28px}
.trailer+#questions{padding-top:38px}
@media(max-width:650px){.trailer{padding-top:28px;padding-bottom:20px}.trailer+#questions{padding-top:28px}}

/* Reverse the play button colors for stronger contrast with the artwork. */
.trailer-play-label{background:var(--navy);color:var(--gold)}
.trailer-play:hover .trailer-play-label{background:var(--teal);color:#fff}

.trailer-play-label{border:2px solid currentColor}