@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Libre+Caslon+Display&display=swap');
:root{--ink:#112b39;--paper:#f6f5f0;--white:#fff;--gold:#d5a846;--soft:#e9ebe6;--muted:#53636a;--line:#d5dbd6;--serif:'Libre Caslon Display',Georgia,serif;--sans:'DM Sans',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.65 var(--sans)}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}a,button,input,select,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ae7720;outline-offset:5px}img{display:block;max-width:100%}button,a{ -webkit-tap-highlight-color:transparent}h1,h2,h3,p{margin-top:0}h1,h2{font-family:var(--serif);font-weight:400;line-height:1.05}h1{font-size:clamp(3.2rem,6.5vw,6.75rem);letter-spacing:-.035em;margin-bottom:26px}h2{font-size:clamp(2.4rem,4vw,4rem);letter-spacing:-.025em;margin-bottom:24px}h3{font-size:1.2rem;line-height:1.35}p{margin-bottom:20px}.wrap{max-width:1320px;margin:auto;padding:0 54px}.eyebrow{font-size:.75rem;font-weight:700;letter-spacing:.17em;text-transform:uppercase;display:block;margin-bottom:20px}.gold{color:var(--gold)}.muted{color:var(--muted)}.small{font-size:.875rem}.topline{background:var(--ink);color:#f6f5f0;font-size:.75rem;letter-spacing:.13em;text-align:center;padding:8px 20px;text-transform:uppercase}.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.header-inner{height:100px;display:flex;align-items:center;gap:42px}.brand{text-decoration:none;display:flex;align-items:center;gap:11px;flex-shrink:0}.brand-mark{font-family:Georgia,serif;background:var(--ink);color:var(--paper);font-size:29px;line-height:1;padding:8px 10px}.brand-name{font-size:.85rem;font-weight:700;line-height:1.22;letter-spacing:.07em;text-transform:uppercase}.brand-name small{display:block;font-size:.75rem;letter-spacing:.15em;margin-top:5px;color:var(--muted)}.site-header nav{display:flex;gap:26px;margin-left:auto;align-items:center}.site-header nav a{text-decoration:none;font-size:.875rem;white-space:nowrap}.site-header nav a:hover,.site-header nav a[aria-current=page]{box-shadow:0 2px var(--gold)}.nav-cta{border:1px solid var(--ink);padding:10px 16px}.menu-button{display:none;border:1px solid var(--line);background:none;padding:8px 14px}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:15px 23px;text-decoration:none;background:var(--ink);color:var(--white);border:1px solid var(--ink);font-weight:600;font-size:.9rem;cursor:pointer}.button:hover{background:#254759}.button.light{background:var(--gold);color:var(--ink);border-color:var(--gold)}.button.outline{background:transparent;color:var(--ink)}.button.outline:hover{background:#e9ece8}.actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.text-link{font-weight:600;font-size:.9rem}.hero{padding:78px 0 72px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.04fr 1fr;gap:44px;align-items:center}.hero-copy p{font-size:1.1rem;max-width:460px;color:var(--muted)}.hero-copy h1 em{font-style:normal;color:#9d7428}.hero-note{margin-top:28px;font-size:.8rem!important}.cover-stage{position:relative;height:475px;display:flex;align-items:center;justify-content:center;margin:0 -22px 0 0}.cover-stage:before{content:'';position:absolute;border:1px solid #cdd4cd;border-radius:50%;width:390px;height:390px}.cover-stage a{width:225px;position:absolute;box-shadow:0 18px 32px #10283724;transition:transform .25s}.cover-stage a:nth-child(1){transform:translateX(-120px) rotate(-12deg);z-index:1;width:208px}.cover-stage a:nth-child(2){transform:translateX(115px) rotate(10deg);z-index:2;width:208px}.cover-stage a:nth-child(3){transform:translateY(-9px) rotate(-1deg);z-index:3}.cover-stage a:hover{z-index:5;transform:translateY(-18px) rotate(0)}.cover-stage img{width:100%;aspect-ratio:734/1024;object-fit:cover}.stage-caption{position:absolute;bottom:0;font-size:.75rem;letter-spacing:.13em;text-transform:uppercase}.promise-strip{border-block:1px solid var(--line);padding:20px 0}.promise-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:.8rem}.promise-inner span{display:flex;gap:12px;align-items:center}.promise-inner b{font-size:1rem;color:#9d7428}.section{padding:76px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}.section-head h2{margin-bottom:0}.section-head p{max-width:360px;margin:0;color:var(--muted)}.book-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.book-visual{position:relative;display:flex;align-items:center;justify-content:center;background:#e2e7e3;padding:35px 42px 32px;min-height:390px;text-decoration:none;overflow:hidden}.book-visual.cars{background:#e8dfd7}.book-visual.aircraft{background:#dce5e9}.book-visual img{height:320px;width:auto;box-shadow:7px 13px 17px #152d3b28;transition:transform .25s}.book-visual:hover img{transform:translateY(-7px)}.book-number{position:absolute;top:14px;left:16px;font-size:.75rem;letter-spacing:.1em;color:var(--muted)}.book-info{padding:23px 0 0}.book-info .eyebrow{margin-bottom:8px;font-size:.75rem}.book-info h3{font-family:var(--serif);font-weight:400;font-size:2rem;margin-bottom:12px}.book-info h3 a{text-decoration:none}.book-info p{font-size:.93rem;color:var(--muted);min-height:54px}.book-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:16px;font-size:.85rem}.coming{font-size:.75rem;color:#5d6668;background:#e6e8e2;padding:5px 9px}.companion{background:var(--ink);color:var(--paper);padding:76px 0}.companion-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:80px;align-items:center}.art-window{background:#fff;position:relative;padding:15px;transform:rotate(-2deg)}.art-window img{width:100%;aspect-ratio:1.42;object-fit:contain}.art-window figcaption{padding:12px 8px 0;color:#5d6a6e;font-size:.75rem;letter-spacing:.03em}.companion p{color:#bac8cc}.steps{list-style:none;padding:0;margin:30px 0;counter-reset:step}.steps li{display:flex;gap:17px;padding:14px 0;border-top:1px solid #48606b;font-size:.9rem}.steps li:before{counter-increment:step;content:'0' counter(step);color:var(--gold);font-size:.8rem}.companion .text-link{color:var(--gold)}.split{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.line-art{background:white;padding:15px}.line-art img{width:100%}.quote{font-family:var(--serif);font-size:clamp(2rem,3.5vw,3.5rem);line-height:1.2}.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.tech-card{padding:25px;border:1px solid var(--line);text-decoration:none;display:flex;flex-direction:column;min-height:205px;background:#fafbf8}.tech-card:hover{border-color:#9a793d}.tech-card .index{font-size:.75rem;color:#9d7428;letter-spacing:.1em;margin-bottom:30px}.tech-card h3{font-family:var(--serif);font-size:1.75rem;font-weight:400;margin-bottom:14px}.tech-card p{font-size:.85rem;color:var(--muted);margin-bottom:14px}.tech-card .arrow{margin-top:auto}.footer{background:#0d222e;color:#d9e2e2;padding:56px 0 24px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px}.footer h3{font-size:1rem;color:#fff}.footer a{font-size:.85rem;text-decoration:none;display:block;margin-bottom:9px}.footer .brand{display:flex;margin-bottom:18px}.footer .brand-name small{color:#aebdc1}.footer p{font-size:.875rem;max-width:360px;color:#aebdc1}.footer-bottom{border-top:1px solid #334955;margin-top:35px;padding-top:23px;display:flex;justify-content:space-between;gap:20px;font-size:.75rem;color:#aebdc1}.breadcrumbs{font-size:.78rem;color:var(--muted);padding:25px 0}.breadcrumbs a{text-decoration:none}.page-intro{padding:28px 0 45px}.page-intro h1{font-size:clamp(3rem,6vw,5rem)}.page-intro p{max-width:650px;color:var(--muted);font-size:1.1rem}.book-hero{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center;padding:30px 0 60px}.book-cover-large{background:#e2e7e3;padding:35px;display:flex;justify-content:center}.book-cover-large img{max-height:490px;width:auto;box-shadow:12px 17px 30px #10232c2b}.book-hero h1{font-size:clamp(3rem,5vw,5rem)}.fact-row{display:flex;gap:28px;border-block:1px solid var(--line);padding:18px 0;margin:25px 0}.fact-row strong{display:block;font-family:var(--serif);font-size:1.8rem;font-weight:400}.fact-row span{font-size:.75rem;color:var(--muted)}.availability{padding:15px 18px;background:#e9e9df;font-size:.875rem;margin:20px 0}.sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.sample-grid a{text-decoration:none;font-size:.875rem}.sample-grid img{background:#fff;aspect-ratio:1.42;object-fit:contain;margin-bottom:13px}.library-controls{display:grid;grid-template-columns:2fr 1fr 1fr;gap:15px;padding:23px;background:#e9ece7;margin-bottom:26px}.field label{display:block;font-size:.75rem;font-weight:700;margin-bottom:6px}.field input,.field select{width:100%;border:1px solid #b8c3be;background:white;border-radius:0;padding:12px;color:var(--ink);min-width:0}.result-bar{display:flex;justify-content:space-between;align-items:center;margin:15px 0 24px;font-size:.875rem}.clear-button{border:none;background:none;text-decoration:underline;cursor:pointer;color:var(--ink);font-size:.875rem}.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 20px}.subject-card{min-width:0}.subject-card[hidden]{display:none}.subject-card a{text-decoration:none;display:block}.subject-card img{width:100%;aspect-ratio:1.42;object-fit:contain;background:white;border:1px solid #e6e8e3;transition:box-shadow .2s}.subject-card a:hover img{box-shadow:0 4px 16px #0c243219}.subject-card .eyebrow{font-size:.75rem;margin:14px 0 5px;color:var(--muted);letter-spacing:.08em}.subject-card h3{font-size:1rem;margin-bottom:5px}.subject-card .small{font-size:.75rem;color:var(--muted)}.pagination{display:flex;align-items:center;justify-content:center;gap:18px;padding:40px 0 10px}.pagination button{background:transparent;border:1px solid var(--line);padding:8px 18px;cursor:pointer}.pagination button:disabled{opacity:.4;cursor:default}.pagination span{font-size:.875rem}.empty{padding:50px;border:1px solid var(--line);text-align:center}.subject-heading{display:flex;align-items:start;justify-content:space-between;gap:35px;margin:20px 0 28px}.subject-heading h1{font-size:clamp(2.8rem,4.5vw,4.75rem);max-width:850px}.subject-heading .eyebrow{margin-bottom:14px}.subject-meta{display:flex;gap:10px 26px;flex-wrap:wrap;font-size:.82rem;color:var(--muted)}.subject-layout{display:grid;grid-template-columns:1fr 280px;gap:30px;align-items:start}.subject-art{background:#fff;border:1px solid var(--line);margin:0}.subject-art button{border:0;background:white;padding:15px;width:100%;cursor:zoom-in}.subject-art img{width:100%;aspect-ratio:1.42;object-fit:contain}.subject-art figcaption{border-top:1px solid var(--line);padding:16px 22px;font-size:.78rem;display:flex;justify-content:space-between;gap:20px}.guide-aside{border-top:3px solid var(--gold);padding:23px;background:#e8ece7}.guide-aside h3{font-family:var(--serif);font-size:1.75rem;font-weight:400}.guide-aside p{font-size:.875rem}.guide-aside .button{width:100%;padding:12px;font-size:.8rem}.placeholder{border:1px dashed #a9b6b3;padding:24px;background:#f1f3ed;color:var(--muted)}.placeholder .eyebrow{font-size:.75rem;margin-bottom:10px}.placeholder h3{color:var(--ink);font-size:1rem;margin-bottom:10px}.placeholder p{font-size:.875rem;margin-bottom:0}.guide-modules{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:30px}.guide-block{border-top:1px solid var(--line);padding-top:25px;margin-top:30px}.guide-block h2{font-size:2.4rem}.scheme-label{display:inline-block;font-size:.75rem;padding:4px 8px;background:#e4e9e2;margin-bottom:10px}.reference-list{padding-left:20px;font-size:.9rem}.reference-list li{padding:6px 0}.subject-next{display:grid;grid-template-columns:1fr 1fr;gap:30px;border-block:1px solid var(--line);margin:45px 0;padding:25px 0}.subject-next a{text-decoration:none;font-size:.95rem}.subject-next small{display:block;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.12em}.subject-next a:last-child{text-align:right}.prose{max-width:780px;margin:auto;padding:25px 0 75px}.prose h1{font-size:clamp(3rem,5vw,4.75rem)}.prose h2{font-size:2.4rem;margin:44px 0 18px}.prose h3{margin:30px 0 14px}.prose p,.prose li{color:#42555e}.prose li{margin-bottom:12px}.prose .lead{font-size:1.2rem;color:var(--ink)}.prose .placeholder{margin:28px 0}.supplies-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.supply-card{padding:27px;background:#fff;border:1px solid var(--line)}.supply-card .eyebrow{font-size:.75rem;color:#946b24}.supply-card h2{font-size:2rem}.supply-card p{font-size:.9rem;color:var(--muted)}.supply-card .coming{display:block;background:#f1f3ed}.anchor-links{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 34px}.anchor-links a{border:1px solid var(--line);text-decoration:none;padding:7px 12px;font-size:.8rem}.notice{border-left:3px solid var(--gold);padding:14px 20px;background:#eceee7;font-size:.85rem}.skip{position:absolute;top:-100px;left:20px;background:white;padding:12px;z-index:20}.skip:focus{top:10px}.lightbox{max-width:min(1200px,95vw);max-height:95vh;border:0;padding:20px;background:white;color:var(--ink)}.lightbox::backdrop{background:#0c202ce6}.lightbox img{max-height:78vh;margin:auto;object-fit:contain}.lightbox-close{display:block;margin-left:auto;background:var(--ink);color:white;border:0;padding:8px 15px;cursor:pointer;margin-bottom:10px}.review-label{font-size:.75rem;letter-spacing:.1em;color:#a3b8bc;text-transform:uppercase}.hidden,[hidden]{display:none!important}.chapter-heading{font-family:var(--serif);font-size:2rem;margin:40px 0 20px}.site-header .wrap{max-width:1440px}body:has(.library-controls) .section{padding-top:30px}
@media(min-width:1500px){.hero{padding-block:95px}.cover-stage{height:520px}.cover-stage a{width:245px}.cover-stage a:nth-child(1),.cover-stage a:nth-child(2){width:225px}}
@media(max-width:1100px){.wrap{padding:0 32px}.site-header nav{gap:16px}.header-inner{gap:22px}.nav-cta{display:none}.hero-grid{gap:22px}.cover-stage{transform:scale(.87);margin:0 -30px}.book-visual{padding:25px;min-height:330px}.book-visual img{height:275px}.companion-grid{gap:40px}.subject-grid{grid-template-columns:repeat(3,1fr)}.book-hero{gap:40px}.tech-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.wrap{padding:0 22px}.topline{font-size:.75rem}.header-inner{height:80px;justify-content:space-between}.brand-name{font-size:.75rem}.brand-mark{font-size:25px}.menu-button{display:block;font-size:.85rem}.site-header nav{display:none;position:absolute;top:112px;left:0;right:0;background:var(--paper);padding:23px;z-index:10;border-bottom:1px solid var(--line)}.site-header nav.open{display:flex;flex-direction:column;align-items:stretch}.nav-cta{display:block}.site-header nav a{padding:8px}.hero{padding:45px 0 30px}.hero-grid{grid-template-columns:1fr;gap:0}.hero-copy h1{font-size:3.8rem;max-width:480px}.hero-copy p{font-size:1rem}.cover-stage{height:430px;transform:scale(.85);margin:0 -30px}.hero-note{margin-top:18px}.promise-inner{display:grid;grid-template-columns:1fr 1fr;font-size:.75rem;gap:13px}.promise-inner span:last-child{grid-column:1/-1;justify-content:center}.section{padding:50px 0}.section-head{display:block}.section-head p{margin-top:22px}.section-head .text-link{display:inline-block;margin-top:15px}.book-grid{grid-template-columns:1fr;gap:40px}.book-visual{min-height:370px}.book-visual img{height:320px}.book-info p{min-height:0}.companion{padding:50px 0}.companion-grid,.split{grid-template-columns:1fr;gap:38px}.companion-grid figure{margin:0}.tech-grid{gap:12px}.tech-card{padding:18px;min-height:220px}.tech-card h3{font-size:1.45rem}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-top>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:10px}.book-hero{grid-template-columns:1fr;gap:35px;padding-top:10px}.book-cover-large{padding:25px}.book-cover-large img{max-height:370px}.book-hero h1{font-size:3.5rem}.sample-grid{gap:12px}.sample-grid a{font-size:.75rem}.library-controls{grid-template-columns:1fr 1fr;padding:16px}.library-controls .field:first-child{grid-column:1/-1}.subject-grid{grid-template-columns:repeat(2,1fr);gap:25px 14px}.subject-card h3{font-size:.9rem}.subject-card .eyebrow{font-size:.75rem}.subject-heading{display:block}.subject-heading h1{font-size:3rem}.subject-layout{grid-template-columns:1fr}.guide-aside{display:none}.guide-modules{grid-template-columns:1fr}.subject-art figcaption{display:block;font-size:.75rem}.subject-art figcaption span{display:block;margin-top:5px}.subject-next{gap:20px}.subject-next a{font-size:.8rem}.supplies-grid{grid-template-columns:1fr}.page-intro{padding-bottom:22px}.page-intro h1{font-size:3.5rem}.prose{padding-top:15px}.fact-row{gap:20px}.fact-row strong{font-size:1.75rem}.sample-grid img{aspect-ratio:1.2}.section-head h2{font-size:2.75rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.site-header,.topline,.footer,.actions,.library-controls,.pagination,.menu-button{display:none}body{background:white}.wrap{padding:0}h1{font-size:40px}.hero-grid,.subject-layout{display:block}}
