:root{color-scheme:light;--color-ink: #17202a;--color-muted: #586474;--color-subtle: #6d7887;--color-bg: #f7f3eb;--color-surface: #fffdf8;--color-panel: #f0e8da;--color-navy: #16324f;--color-navy-dark: #0e2238;--color-blue: #2d6f88;--color-gold: #b68a38;--color-border: #d7ccba;--shadow-soft: 0 18px 45px rgba(15, 32, 50, .12);--radius: 8px;--max-width: 1160px;--font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display: Georgia, "Times New Roman", serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--color-bg);color:var(--color-ink);font-family:var(--font-body);font-size:17px;line-height:1.65}body:before{position:fixed;inset:0;z-index:-1;background:linear-gradient(135deg,rgba(22,50,79,.08),transparent 42%),linear-gradient(0deg,#fffdf8d6,#fffdf85c);content:""}a{color:var(--color-navy);text-decoration-thickness:.08em;text-underline-offset:.18em}a:hover{color:var(--color-blue)}a:focus-visible,button:focus-visible{outline:3px solid var(--color-gold);outline-offset:3px}img{display:block;max-width:100%}p{margin:0 0 1rem}h1,h2,h3{margin:0;color:var(--color-navy-dark);font-family:var(--font-display);font-weight:700;line-height:1.13}h1{max-width:880px;font-size:clamp(2.35rem,8vw,5.4rem)}h2{font-size:clamp(1.75rem,4vw,3rem)}h3{font-size:clamp(1.3rem,2.8vw,1.75rem)}.container{width:min(var(--max-width),calc(100% - 32px));margin:0 auto}.section{padding:72px 0}.section.compact{padding:48px 0}.section-header{display:grid;gap:14px;max-width:780px;margin-bottom:32px}.eyebrow{margin:0;color:var(--color-blue);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.lede{max-width:760px;color:var(--color-muted);font-size:clamp(1.08rem,2vw,1.28rem)}.skip-link{position:absolute;top:12px;left:12px;z-index:10;transform:translateY(-160%);border-radius:var(--radius);background:var(--color-navy);color:#fff;padding:10px 14px}.skip-link:focus{transform:translateY(0)}.site-header{position:sticky;top:0;z-index:5;border-bottom:1px solid rgba(22,50,79,.1);background:#fffdf8f0;backdrop-filter:blur(16px)}.header-inner{display:flex;min-height:76px;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--color-navy-dark);font-weight:800;text-decoration:none}.brand-mark{display:grid;width:38px;height:38px;place-items:center;border-radius:6px;background:var(--color-navy);color:#fffdf8;font-family:var(--font-display);font-size:.92rem;letter-spacing:0}.site-header nav ul,.site-footer nav ul{display:flex;margin:0;padding:0;list-style:none}.site-header nav ul{align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}.site-header nav a{display:inline-flex;min-height:42px;align-items:center;border-radius:6px;color:var(--color-ink);font-size:.95rem;font-weight:700;padding:7px 10px;text-decoration:none}.site-header nav a:hover,.site-header nav a[aria-current=page]{background:#16324f14;color:var(--color-navy)}.hero{padding:82px 0 48px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);align-items:center;gap:48px}.hero-copy{display:grid;gap:20px}.hero-visual{display:grid;grid-template-columns:repeat(2,minmax(130px,1fr));gap:18px;align-items:end}.hero-visual>:nth-child(2){transform:translateY(28px)}.button-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.button{display:inline-flex;min-height:46px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:6px;font-weight:800;line-height:1.2;padding:12px 18px;text-align:center;text-decoration:none}.button.primary{background:var(--color-navy);color:#fff}.button.primary:hover{background:var(--color-navy-dark);color:#fff}.button.secondary{border-color:#16324f3d;background:#fffdf8b8;color:var(--color-navy)}.button.secondary:hover{border-color:var(--color-blue);color:var(--color-blue)}.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.book-card{display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;min-height:100%;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);box-shadow:0 10px 30px #0f20320f;padding:22px}.book-card h3 a{color:inherit;text-decoration:none}.book-card h3 a:hover{color:var(--color-blue)}.book-card-body{display:grid;gap:10px;align-content:start}.book-card-body p{margin:0}.book-subtitle{color:var(--color-muted);font-weight:700}.audience{color:var(--color-muted);font-size:.96rem}.book-cover-image,.book-cover-picture,.book-cover-placeholder{width:100%;aspect-ratio:.66;border-radius:6px;box-shadow:var(--shadow-soft)}.book-cover-picture{display:block;overflow:hidden}.book-cover-image{height:100%;background:#fffdf8;object-fit:cover}.book-cover-picture .book-cover-image{border-radius:0;box-shadow:none}.book-cover-placeholder{display:grid;align-content:space-between;gap:12px;overflow:hidden;border:1px solid rgba(255,255,255,.5);background:linear-gradient(160deg,rgba(255,255,255,.1),transparent 34%),linear-gradient(145deg,#10253d,#173b5c 54%,#2c6d83);color:#fffdf8;padding:clamp(16px,4vw,26px);text-decoration:none}.book-cover-placeholder.small{min-width:132px;gap:8px;padding:12px}.book-cover-placeholder.large{max-width:360px}.cover-series{color:#e3c47c;font-size:clamp(.62rem,1.6vw,.82rem);font-weight:800;letter-spacing:.08em;line-height:1.25;text-transform:uppercase}.cover-title{font-family:var(--font-display);font-size:clamp(1.18rem,2.6vw,1.65rem);font-weight:700;line-height:1.05;overflow-wrap:normal;text-wrap:balance}.cover-subtitle{color:#fffdf8db;font-size:clamp(.82rem,2.2vw,1rem);font-weight:700;line-height:1.35}.book-cover-placeholder.small .cover-title{font-size:.98rem}.book-cover-placeholder.small .cover-subtitle{display:none}.book-cover-placeholder.small .cover-series{font-size:.58rem}.book-cover-placeholder.small .cover-author{font-size:.76rem;padding-top:10px}.hero-visual .cover-title,.book-detail-hero .cover-title{font-size:clamp(1.24rem,2.25vw,1.65rem)}.cover-author{border-top:1px solid rgba(255,255,255,.32);color:#fffdf8eb;font-size:clamp(.78rem,1.8vw,.92rem);font-weight:800;padding-top:14px}.band{border-top:1px solid rgba(22,50,79,.1);border-bottom:1px solid rgba(22,50,79,.1);background:#f0e8dab3}.reader-grid,.cred-grid,.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.reader-item,.cred-item,.detail-item{border-left:3px solid var(--color-gold);padding-left:18px}.reader-item h3,.cred-item h3,.detail-item h3{margin-bottom:8px;font-family:var(--font-body);font-size:1.04rem}.reader-item p,.cred-item p,.detail-item p{margin:0;color:var(--color-muted)}.page-hero{padding:68px 0 44px}.page-hero.narrow .lede{max-width:780px}.book-detail-hero{display:grid;grid-template-columns:minmax(220px,340px) minmax(0,1fr);align-items:center;gap:48px;padding:68px 0 48px}.book-detail-copy{display:grid;gap:20px}.metadata-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:0}.metadata-list div{border:1px solid var(--color-border);border-radius:var(--radius);background:#fffdf8b8;padding:14px}.metadata-list dt{color:var(--color-subtle);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.metadata-list dd{margin:5px 0 0;color:var(--color-ink);font-weight:700}.content-columns{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr);gap:42px}.text-block{max-width:760px}.text-block+.text-block{margin-top:34px}.check-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}.check-list li{position:relative;padding-left:26px}.check-list li:before{position:absolute;left:0;color:var(--color-blue);content:"+";font-weight:900}.cta-band{padding:54px 0;background:var(--color-navy);color:#fff}.cta-band h2{color:#fff}.cta-band p{max-width:700px;color:#ffffffd1}.cta-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px}.cta-band .button.secondary{border-color:#ffffff59;background:#ffffff14;color:#fff}.site-footer{border-top:1px solid rgba(22,50,79,.12);background:#10253d;color:#ffffffc7;padding:46px 0 24px}.site-footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:1.2fr .55fr .9fr .75fr;gap:40px}.footer-brand{color:#fff}.site-footer h2{margin-bottom:10px;color:#fff;font-family:var(--font-body);font-size:.92rem}.site-footer nav ul{display:grid;gap:8px}.fine-print,.legal{color:#ffffffa3;font-size:.92rem}.legal{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16)}.legal p{margin:0}@media(max-width:900px){.hero-grid,.book-detail-hero,.content-columns,.cta-inner{grid-template-columns:1fr}.hero-visual{max-width:560px}.book-grid,.reader-grid,.cred-grid,.detail-grid,.footer-grid{grid-template-columns:1fr}.cta-inner{align-items:start}}@media(max-width:650px){body{font-size:16px}.container{width:min(var(--max-width),calc(100% - 24px))}.header-inner{min-height:auto;flex-direction:column;align-items:flex-start;padding:14px 0}.site-header nav ul{justify-content:flex-start}.hero{padding-top:52px}.section{padding:52px 0}.hero-visual{grid-template-columns:1fr;max-width:300px}.hero-visual>:nth-child(2){transform:none}.book-card{grid-template-columns:1fr}.book-card-cover{max-width:220px}.metadata-list{grid-template-columns:1fr}.button{width:100%}}