/* The New Alchemist • edition 2.3: biotech, illustration and consistent type roles. */
/* All figure colours are retained from the credited source. */
.na-drawing-hero{padding-block:24px 30px;border-bottom:1px solid var(--rule)}
.na-drawing-hero-grid{display:grid;grid-template-columns:.85fr 1.5fr;gap:32px;align-items:center}
.na-drawing-hero-copy .na-kicker{font:9px/1.7 var(--sans);letter-spacing:.12em;color:#766044;max-width:31ch;margin:0 0 30px}
.na-drawing-hero-copy h1{font:400 clamp(62px,6.8vw,96px)/.97 var(--serif);letter-spacing:-.035em;margin:0 0 22px}
.na-drawing-hero-copy h1 em{font-weight:400;color:#9e4e32}
.na-drawing-hero-copy>p:not(.na-kicker){font:16px/1.7 var(--sans);max-width:33ch;margin:0 0 18px;color:#405147}
.na-drawing-hero-image{margin:0;min-width:0;position:relative}
.na-drawing-hero-image>img{width:100%;height:auto;display:block;aspect-ratio:1.5;object-fit:contain}
.na-drawing-hero-image figcaption{display:flex;justify-content:space-between;font:10px/1.5 var(--sans);margin-top:12px;color:#62665a}
.na-drawing-hero-image figcaption a{text-decoration:none}
.na-frontier-selection .na-media-section-head>div{position:relative;padding-right:145px;min-height:122px;display:flex;flex-direction:column;justify-content:center}
.na-editorial-spot{position:absolute;right:0;top:-15px;object-fit:contain;width:120px;height:155px}
.na-about-engraving{display:block;width:170px;height:auto;margin:0 auto 30px}
@media(max-width:900px){.na-drawing-hero-grid{gap:25px;grid-template-columns:.9fr 1.3fr}.na-drawing-hero-copy h1{font-size:68px}.na-drawing-hero-copy>p:not(.na-kicker){font-size:14px}}
@media(max-width:760px){.na-drawing-hero-grid{grid-template-columns:1fr}.na-drawing-hero-copy h1{font-size:clamp(62px,11vw,86px)}.na-drawing-hero-copy h1{max-width:9ch}.na-drawing-hero-copy>p:not(.na-kicker){font-size:16px;max-width:38ch}.na-drawing-hero-copy .na-kicker{max-width:none;margin-bottom:22px}.na-drawing-hero-image{margin-top:8px}.na-frontier-selection .na-media-section-head>div{padding-right:95px;min-height:110px}.na-editorial-spot{width:85px;height:112px;top:0}.na-about-engraving{width:135px;margin-left:0}}
.na-research-art{isolation:isolate;aspect-ratio:1.16;display:flex;flex-direction:column;padding:22px;gap:18px;background:#dfb2b4;color:#20382f}
.na-research-label,.na-research-subject{position:relative;z-index:1;font:10px/1.4 var(--sans);letter-spacing:.13em}
.na-research-picture{min-height:0;flex:1;position:relative;overflow:hidden}
.na-research-picture img,.na-research-picture svg{display:block;width:100%;height:100%;object-fit:cover}
.na-research-vaccine{background:#ba5550;color:#fff6e7;padding:0;gap:0}
.na-research-vaccine .na-research-label{position:absolute;top:22px;left:22px;background:#20382f;padding:8px 11px}
.na-research-vaccine .na-research-picture{position:absolute;inset:0}
.na-research-vaccine img{object-position:center}
.na-research-atlas{background:#cfc7e2}
.na-research-atlas .na-research-picture{background:#fff;padding:15px;box-sizing:border-box}
.na-research-atlas .na-research-subject{font-size:9px}
.na-research-binder{background:#ebbd89;padding:22px 28px}
.na-research-binder .na-research-picture{background:#fff}
.na-research-binder img{object-fit:contain}
.na-research-credit{font:9px/1.6 var(--sans);color:var(--muted);margin:8px 0 0;display:flex;justify-content:space-between;gap:10px}
.na-research-credit a{font-size:12px;color:inherit;text-decoration:none;flex-shrink:0}
.na-frontier-card-copy{min-width:0}
.na-frontier-card .na-frontier-card-copy>.na-kicker{margin:22px 0 15px;font:10px/1.5 var(--sans);letter-spacing:.13em}
.na-frontier-card-copy>h3{font:400 34px/1.07 var(--serif);letter-spacing:-.02em;margin:0 0 18px}
.na-frontier-card-copy>h3 a{color:inherit;text-decoration:none}
.na-frontier-card-copy>h3 a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.na-frontier-card-copy>p:not(.na-kicker){font:15px/1.7 var(--sans);color:var(--ink-soft);max-width:42ch;margin:0 0 25px}
.na-frontier-card-copy>.na-frontier-read{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--rule);font:12px/1.5 var(--sans);text-decoration:none}
.na-frontier-card-copy>.na-frontier-read span{font-size:20px}
.na-frontier-grid-four{grid-template-columns:1fr 1fr;gap:50px 35px}
.na-frontier-grid-four .na-frontier-card{display:flex;flex-direction:column;gap:0;padding:0;border:0}
.na-frontier-grid-four .na-frontier-card-copy{padding:0 24px 24px;flex:1;background:#e3e7ca}
.na-frontier-grid-four .na-research-credit{padding:8px 24px;margin:0;background:#e3e7ca}
.na-frontier-grid-four .na-frontier-card-moderna-vaccine :is(.na-frontier-card-copy,.na-research-credit){background:#e7b7ac}
.na-frontier-grid-four .na-frontier-card-biological-datasets :is(.na-frontier-card-copy,.na-research-credit){background:#cfc7e2}
.na-frontier-grid-four .na-frontier-card-protein-binders :is(.na-frontier-card-copy,.na-research-credit){background:#ebbd89}
.na-frontier-grid-four .na-frontier-art{aspect-ratio:1.3}
.na-frontier-grid-four .na-frontier-card-copy h3{font-size:44px}
.na-frontier-grid-four .na-frontier-card-copy>.na-kicker{color:#20382f}
/* A correspondence object with a restrained envelope fold. No decorative scientific symbols. */
.na-newsletter.na-correspondence{display:block;margin:65px 0 0;padding:0;background:#e6e8d8;border-block:1px solid #bec6ac}
.na-correspondence-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center;padding-block:60px}
.na-letter-object{position:relative;width:min(100%,340px);aspect-ratio:1.12;margin:auto;isolation:isolate;transform:rotate(-5deg)}
.na-letter-sheet{position:absolute;inset:0 7% 10%;background:#fbf7ed;border:1px solid #b7b4a1;padding:25px 22px;box-shadow:0 4px 8px #20382f13;transform:rotate(8deg)}
.na-letter-from{font:8px/1.5 var(--sans);letter-spacing:.11em;display:block;max-width:15ch;color:#20382f}
.na-letter-stamp{position:absolute;right:20px;top:19px;width:43px;height:51px;border:1px dashed #9e4e32;background:#ead5c4;display:grid;place-items:center;color:#9e4e32}
.na-letter-stamp svg{width:31px;height:31px}
.na-letter-greeting{font:35px/1.1 var(--serif);display:block;margin-top:36px;color:#20382f}
.na-letter-sheet i{display:block;height:1px;background:#c3bcab;margin-top:14px;width:85%}.na-letter-sheet i:nth-of-type(2){width:95%}.na-letter-sheet i:nth-of-type(3){width:66%}
.na-letter-signoff{display:block;font:400 15px/1.5 var(--na-display);margin-top:20px;color:#5e6854}
.na-envelope{position:absolute;left:0;right:0;bottom:0;height:41%;background:#b65e43;clip-path:polygon(0 0,50% 37%,100% 0,100% 100%,0 100%);color:#fff4df;box-shadow:0 7px 12px #20382f20}
.na-envelope:before,.na-envelope:after{content:'';position:absolute;width:65%;height:1px;top:55%;background:#e3a08388;transform:rotate(29deg)}.na-envelope:after{right:0;transform:rotate(-29deg)}
.na-envelope>span{position:absolute;bottom:19%;left:10%;font:8px/1.4 var(--sans);letter-spacing:.15em}
.na-correspondence .na-kicker{font:10px/1.5 var(--sans);letter-spacing:.14em;color:#516249;margin:0 0 21px}
.na-correspondence h2{font:400 clamp(44px,5vw,66px)/1.02 var(--serif);letter-spacing:-.025em;margin:0 0 24px;color:#20382f}
.na-correspondence-copy>p:not(.na-kicker){font:16px/1.7 var(--sans);max-width:42ch;color:#405147;margin:0 0 26px}
.na-correspondence-cta{display:inline-flex;align-items:center;gap:42px;background:#20382f;border:1px solid #20382f;padding:16px 23px;color:#f3efe5;font:13px/1.4 var(--sans);text-decoration:none}
.na-correspondence-cta>span{font-size:22px;line-height:1}.na-correspondence-cta:hover{background:#304e40}
.na-correspondence-cta:focus-visible{outline:2px solid #9e4e32;outline-offset:5px}
/* Compact publication colophon. The full directory stays in the main menu. */
.na-colophon-footer{display:block;background:var(--na-paper);color:var(--na-ink);border-top:5px solid #20382f;padding-block:45px 22px}
.na-colophon-footer a{color:inherit;text-decoration:none}.na-colophon-footer a:hover{text-decoration:underline;text-underline-offset:4px}
.na-colophon-footer a:focus-visible{outline:2px solid #9e4e32;outline-offset:5px}
.na-colophon-heading{display:flex;justify-content:space-between;align-items:center;gap:35px;border-bottom:1px solid #b6b7a5;padding-bottom:28px}
.na-colophon-heading .na-wordmark{font-size:58px;line-height:.9}.na-colophon-heading .na-wordmark-name{font-size:inherit}
.na-colophon-heading>p{font:14px/1.6 var(--sans);margin:0;max-width:35ch;color:#516249}
.na-colophon-grid{display:grid;grid-template-columns:1fr 1.1fr .8fr;gap:50px;padding:30px 0 36px}
.na-colophon-grid nav{display:grid;grid-template-columns:1fr 1fr;gap:12px 25px;font:23px/1.2 var(--serif)}
.na-colophon-grid>div{display:flex;align-items:start;flex-direction:column;gap:10px;font:12px/1.6 var(--sans);min-width:0}
.na-colophon-grid>div>span{font:9px/1.5 var(--sans);text-transform:uppercase;letter-spacing:.13em;color:#69715c;margin-bottom:2px}
.na-colophon-contact>a:first-of-type{font:18px/1.2 var(--serif);overflow-wrap:anywhere}
.na-colophon-bottom{display:flex;gap:25px;justify-content:space-between;align-items:baseline;border-top:1px solid #b6b7a5;padding-top:20px;font:10px/1.5 var(--sans);color:#62665a}
.na-colophon-bottom>div{display:flex;gap:22px;flex-wrap:wrap}
.na-source-record{padding:24px 0;border-top:1px solid var(--rule);max-width:75ch}.na-source-record p{font:14px/1.7 var(--sans)}.na-source-record h2{font:32px/1.1 var(--serif)}
/* The cover and spine share a plane; depth comes from the paper block. */
.na-volume{transform:none}
.na-volume-spine{left:-4.5%;width:4.5%;background:#1a3028;transform:none;justify-content:center;gap:8%;padding:6% 0;box-shadow:inset 1px 0 1px #f3efe522,inset -3px 0 4px #0004}
.na-volume-spine>b{font:400 3cqw/1 var(--serif);letter-spacing:.04em}.na-volume-spine>span:last-child{font:400 1.6cqw/1 var(--sans);letter-spacing:.09em}
.na-volume-front{box-shadow:inset 3px 0 3px #08110bcc,inset 6px 0 1px #ffffff15,inset -1px 0 1px #ffffff40}
.na-volume-front:after{opacity:.07}
.na-volume:before{right:-2.5%;width:3%;top:1%;height:100%;transform:skewY(30deg)}
.na-volume:after{left:0;right:-2.5%;bottom:-1.7%;height:2%;transform:skewX(32deg);box-shadow:0 2px 0 #20382f}
.na-scene-volume{transform:rotate(6deg);width:49%;right:12%;top:7%}
.na-book-scene:before{background:#e9e4d8}
.na-open-volume{min-height:510px}
.na-volume-prose{padding:30px 40px}.na-volume-prose h3{margin-top:45px;font-size:clamp(44px,4.5vw,64px)}
.na-spread-deck{font-size:21px;max-width:25ch}.na-spread-body{font:15px/1.7 Georgia,serif;max-width:37ch}
.na-volume-photo{padding:28px}.na-volume-photo>img{height:410px}
.na-design-panel[data-spread=design] .na-volume-photo{background:#ebbd89;padding:30px}
.na-design-panel[data-spread=design] .na-volume-photo>img{height:auto;max-height:400px;aspect-ratio:1;flex:none;background:#fff;object-fit:contain}
.na-structure-record{display:flex;justify-content:space-between;gap:18px;margin-top:20px;padding-top:14px;border-top:1px solid #20382f55;color:#20382f;font:9px/1.6 var(--sans);letter-spacing:.08em}
.na-design-panel[data-spread=design] .na-spread-photo-label{margin-top:auto;padding-top:25px}
.na-design-section-head>p{max-width:37ch;font-size:13px}
@media(max-width:900px){.na-correspondence-inner{gap:40px}.na-letter-object{max-width:280px}.na-correspondence h2{font-size:50px}.na-colophon-heading .na-wordmark{font-size:47px}.na-colophon-grid{gap:25px}.na-frontier-grid-four .na-frontier-card-copy h3{font-size:37px}}
@media(max-width:760px){
 .na-frontier-grid-four{grid-template-columns:1fr;gap:35px}.na-frontier-grid-four .na-frontier-card{display:flex}.na-frontier-card .na-research-art{aspect-ratio:1.2}.na-frontier-card-copy>h3{font-size:38px}
 .na-correspondence-inner{grid-template-columns:220px 1fr;gap:30px;padding-block:40px}.na-letter-sheet{padding:19px 15px}.na-letter-from{font-size:7px}.na-letter-greeting{font-size:29px;margin-top:30px}.na-letter-stamp{width:34px;height:42px;right:13px;top:15px}.na-letter-stamp svg{width:25px;height:25px}.na-letter-signoff{font-size:11px}.na-envelope>span{font-size:7px}.na-correspondence h2{font-size:43px}.na-correspondence-copy>p:not(.na-kicker){font-size:14px}.na-correspondence-cta{padding:14px 17px;gap:25px;font-size:12px}
 .na-colophon-heading{align-items:start}.na-colophon-heading>p{font-size:12px}.na-colophon-grid{grid-template-columns:1fr 1fr;gap:30px}.na-colophon-grid nav{grid-column:1/-1;display:flex;gap:30px;font-size:23px}.na-colophon-bottom{display:block}.na-colophon-bottom>div{margin-top:17px;gap:18px}
 .na-volume-prose{padding:25px}.na-spread-body{font-size:13px}.na-volume-photo{padding:22px}.na-volume-photo>img{height:350px}
 .na-design-panel[data-spread=design] .na-volume-photo{padding:22px}
}
@media(max-width:520px){
 .na-newsletter.na-correspondence{margin-top:40px}.na-correspondence-inner{grid-template-columns:1fr;gap:35px;padding-block:40px}.na-letter-object{width:230px;margin-inline:auto}.na-correspondence-copy{text-align:center}.na-correspondence .na-kicker{font-size:9px}.na-correspondence h2{font-size:49px}.na-correspondence-copy>p:not(.na-kicker){margin-inline:auto;max-width:32ch}.na-correspondence-cta{font-size:13px;padding:16px 22px}
 .na-colophon-footer{padding-block:30px 22px}.na-colophon-heading{display:block}.na-colophon-heading .na-wordmark{font-size:47px}.na-colophon-heading>p{margin-top:19px}.na-colophon-grid{gap:27px 22px}.na-colophon-grid nav{gap:0;justify-content:space-between;font-size:23px}.na-colophon-contact>a:first-of-type{font-size:16px}.na-colophon-grid>div{font-size:11px}.na-colophon-bottom{font-size:9px}.na-colophon-bottom>div{gap:13px 18px}.na-colophon-bottom .na-back-top{margin-left:auto}
 .na-scene-volume{width:49%;right:14%;top:8%}.na-volume-prose{padding:28px}.na-volume-prose h3{font-size:48px;margin-top:30px}.na-spread-deck{font-size:21px}.na-spread-body{font-size:15px}.na-design-panel[data-spread=design] .na-volume-photo>img{max-height:320px}.na-structure-record{font-size:9px}
}

.na-frontier-card>p.na-research-credit:not(.na-kicker){font:9px/1.6 var(--sans);margin:8px 0 0;color:#515b4e}
.na-frontier-grid-four .na-frontier-card>p.na-research-credit:not(.na-kicker){margin:0;padding:9px 24px;font-size:9px}
.na-frontier-grid-four .na-frontier-card-organoids .na-frontier-card-copy{padding-top:33px}

/* Shared roles, applied last so feature variants cannot drift into separate identities. */
:root{--na-section-size:clamp(44px,4.2vw,60px);--na-card-size:36px;--na-body-size:16px;--na-label-size:11px}
.na-media-home .na-kicker,.na-frontier .na-kicker,.na-book-edition .na-kicker,.na-book-launch .na-kicker{font:400 var(--na-label-size)/1.5 var(--na-sans);letter-spacing:.1em}
.na-media-section-head h2,.na-frontier-selection .na-media-section-head h2{font:400 var(--na-section-size)/1.02 var(--na-display);letter-spacing:-.025em}
.na-selected-grid .na-story h3,.na-audio-feature h3,.na-frontier-card h3,.na-frontier-card-copy>h3{font:400 var(--na-card-size)/1.06 var(--na-display);letter-spacing:-.025em}
.na-frontier-grid-four .na-frontier-card-copy h3{font-size:var(--na-card-size)}
.na-selected-grid .na-story-description,.na-audio-feature>div>p:not(.na-kicker),.na-frontier-card-copy>p:not(.na-kicker){font:400 var(--na-body-size)/1.65 var(--na-sans)}
.na-frontier-card .na-frontier-card-copy>.na-kicker{font:400 var(--na-label-size)/1.5 var(--na-sans);letter-spacing:.1em}
.na-frontier-card>p.na-research-credit:not(.na-kicker),.na-research-credit{font:400 11px/1.6 var(--na-sans)}
.na-media-section-head>a,.na-frontier-card-copy>.na-frontier-read,.na-design-link{font:400 13px/1.5 var(--na-sans)}
.na-book-edition-copy>p:not(.na-kicker){font:400 16px/1.65 var(--na-sans)}
.na-book-edition-copy>p.na-book-edition-detail{font:400 16px/1.65 var(--na-sans)}
.na-book-chapter-links{margin-top:25px}.na-book-chapter-links>a{font:400 22px/1.2 var(--na-display);padding-block:11px;gap:15px}
.na-book-chapter-links>a>span{flex:none;width:24px}
.na-volume-engraving{background:#e9dfc8;border:1px solid #f3efe559}
.na-volume-engraving>img{object-fit:contain;padding:4%;box-sizing:border-box}
.na-book-edition-grid{align-items:start}
.na-design-panel[data-spread=biotech] .na-volume-photo{background:#e9dfc8}
.na-design-panel[data-spread=biotech] .na-volume-photo>img{filter:none;object-fit:contain}
.na-design-panel[data-spread=biotech] .na-spread-photo-label{color:#20382f}
@media(max-width:1100px){:root{--na-card-size:32px}}
@media(max-width:760px){:root{--na-card-size:34px}.na-drawing-hero{padding-block:30px}.na-drawing-hero-copy h1{max-width:none}.na-book-chapter-links>a{font-size:23px}.na-selected-grid .na-story h3{font-size:var(--na-card-size)}}

/* Edition 2.3: compact compositions and one book-title lockup. */
.na-book-edition{padding-block:40px 48px}
.na-book-edition-grid{grid-template-columns:1.05fr 1fr;gap:42px;align-items:center;padding-top:28px}
.na-book-edition-copy h2,.na-book-launch-copy h1{font:400 clamp(56px,5.5vw,78px)/1 var(--na-display);letter-spacing:-.025em;margin:0 0 22px}
.na-book-edition-copy h2>span,.na-book-launch-copy h1>span{display:block;font:400 12px/1.5 var(--na-sans);text-transform:uppercase;letter-spacing:.18em;margin-top:14px}
.na-book-edition-copy>p:not(.na-kicker),.na-book-launch-copy>p:not(.na-kicker){font:400 16px/1.65 var(--na-sans);max-width:44ch;margin:0 0 18px}
.na-book-launch-copy .na-kicker{margin-bottom:20px}
.na-book-launch-copy>p.na-book-author-line{font:400 12px/1.5 var(--na-sans);margin:0 0 22px}
.na-book-launch-copy>p.na-book-status{font:400 11px/1.5 var(--na-sans);margin:18px 0 0}
.na-book-chapter-links{display:grid;grid-template-columns:1fr 1fr;column-gap:22px;margin-top:24px;border-top:0}
.na-book-chapter-links>a{align-items:baseline;gap:10px;border-top:1px solid var(--na-rule);border-bottom:0;padding-block:12px;font:400 18px/1.25 var(--na-display)}
.na-book-chapter-links>a>span{font:400 11px/1.5 var(--na-sans);width:17px}
.na-book-launch-grid{gap:42px}
.na-book-edition .na-book-scene{aspect-ratio:1.04}
.na-book-edition .na-scene-volume{width:50%;top:7%}
@media(min-width:761px) and (max-width:1000px){.na-drawing-hero-copy h1{font-size:62px}.na-drawing-hero-grid{grid-template-columns:.85fr 1.5fr;gap:18px}.na-book-edition-grid{gap:28px}.na-book-chapter-links{column-gap:15px}.na-book-chapter-links>a{font-size:17px}}
@media(min-width:601px) and (max-width:760px){.na-drawing-hero-grid{grid-template-columns:.85fr 1.4fr;gap:18px}.na-drawing-hero-copy h1{font-size:53px}.na-drawing-hero-copy>p:not(.na-kicker){font-size:14px}.na-drawing-hero-image{margin-top:0}.na-book-edition-grid,.na-book-launch-grid{grid-template-columns:1fr 1fr;gap:26px}.na-book-chapter-links>a{font-size:17px}.na-book-edition-copy h2,.na-book-launch-copy h1{font-size:54px}.na-book-edition-copy>p:not(.na-kicker),.na-book-launch-copy>p:not(.na-kicker){font-size:14px}}
@media(max-width:600px){.na-drawing-hero{padding-block:24px 20px}.na-drawing-hero-grid{gap:14px}.na-drawing-hero-copy h1{font-size:64px;margin-bottom:18px}.na-drawing-hero-copy>p:not(.na-kicker){font-size:16px;line-height:1.55;margin-bottom:12px}.na-drawing-hero-image{margin-top:0}.na-book-edition-grid{grid-template-columns:1fr;gap:25px}.na-book-edition-copy h2,.na-book-launch-copy h1{font-size:62px}.na-book-edition-copy h2>span,.na-book-launch-copy h1>span{font-size:11px;margin-top:10px}.na-book-chapter-links{column-gap:20px;margin-top:20px}.na-book-chapter-links>a{font-size:19px;gap:8px}.na-book-edition .na-book-scene{aspect-ratio:1.12}.na-book-edition-heading>span{max-width:12ch;text-align:right}.na-book-edition{padding-block:30px 35px}}