:root{--ocean-900: #07293a;--ocean-800: #0b3a4f;--ocean-700: #0e4d63;--ocean-500: #1b7a93;--laurel-700: #1d5e44;--laurel-500: #2f8a63;--wine-700: #6b1f2c;--wine-500: #9a2f3e;--gold-500: #c89b3c;--gold-400: #d8b25e;--sand-50: #fbf7ee;--sand-100: #f4ecdb;--sand-200: #e9dcc4;--sand-300: #d9c7a6;--ink-900: #1a1d21;--ink-700: #353b42;--ink-600: #4a525b;--ink-400: #79828c;--bg: var(--sand-50);--surface: #ffffff;--text: var(--ink-900);--text-soft: var(--ink-600);--border: rgba(26, 29, 33, .1);--shadow-sm: 0 1px 3px rgba(7, 41, 58, .08), 0 1px 2px rgba(7, 41, 58, .06);--shadow-md: 0 6px 20px rgba(7, 41, 58, .1);--shadow-lg: 0 18px 50px rgba(7, 41, 58, .16);--font-serif: "Fraunces", Georgia, "Times New Roman", serif;--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--container: 1180px;--radius: 14px}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-sans);color:var(--text);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.12;color:var(--ocean-900);margin:0 0 .5em;letter-spacing:-.01em}a{color:var(--ocean-700);text-decoration-color:#0e4d634d;text-underline-offset:3px}a:hover{color:var(--wine-500)}img{max-width:100%;display:block}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:1.25rem}.eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--laurel-500)}.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-sans);font-weight:600;font-size:.95rem;padding:.7rem 1.2rem;border-radius:999px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform 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a{color:var(--ink-700);text-decoration:none;font-weight:500;font-size:.95rem}.nav a:hover{color:var(--wine-500)}.nav-toggle{display:none}.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 80% -10%,rgba(47,138,99,.35),transparent 60%),linear-gradient(160deg,var(--ocean-900) 0%,var(--ocean-700) 45%,var(--laurel-700) 120%);color:#fff}.hero:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:64px;background:var(--bg);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 64' preserveAspectRatio='none'%3E%3Cpath d='M0 32 C 240 0 480 64 720 40 C 960 16 1200 56 1440 28 L1440 64 L0 64 Z' fill='black'/%3E%3C/svg%3E") bottom/100% 100% no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 64' preserveAspectRatio='none'%3E%3Cpath d='M0 32 C 240 0 480 64 720 40 C 960 16 1200 56 1440 28 L1440 64 L0 64 Z' fill='black'/%3E%3C/svg%3E") bottom/100% 100% no-repeat}.hero .container{position:relative;z-index:1;padding-block:4.5rem 6rem;max-width:880px;text-align:center}.hero h1{color:#fff;font-size:clamp(2.4rem,6vw,4.2rem);margin-bottom:.4em}.hero p.lede{font-size:clamp(1.05rem,2.2vw,1.35rem);color:#ffffffdb;max-width:640px;margin:0 auto 2rem}.hero .stats{display:flex;gap:2.4rem;justify-content:center;flex-wrap:wrap;margin-top:2.5rem}.hero .stat b{font-family:var(--font-serif);font-size:2rem;display:block;color:var(--gold-400);line-height:1}.hero .stat span{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:#ffffffb3}.toolbar{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin-bottom:2rem}.search{flex:1 1 280px;display:flex;align-items:center;gap:.6rem;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:.65rem 1.1rem;box-shadow:var(--shadow-sm)}.search input{border:0;outline:0;font:inherit;flex:1;background:transparent;color:var(--text)}.search svg{flex:none;color:var(--ink-400)}.lang-select{flex:0 0 auto;font:inherit;font-size:.9rem;font-weight:600;color:var(--ink-700);background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:.6rem 1rem;cursor:pointer;box-shadow:var(--shadow-sm)}.lang-badge{display:inline-block;margin-left:.35rem;font-size:.66rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;color:var(--wine-500);background:#9a2f3e14;border:1px solid rgba(154,47,62,.22);padding:.05rem .45rem;border-radius:999px;vertical-align:middle}.chips{display:flex;flex-wrap:wrap;gap:.5rem}.chip{font-size:.85rem;font-weight:600;padding:.42rem .85rem;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--ink-700);cursor:pointer;transition:all .15s ease;white-space:nowrap}.chip:hover{border-color:var(--ocean-500);color:var(--ocean-800)}.chip[aria-pressed=true]{background:var(--ocean-800);border-color:var(--ocean-800);color:#fff}.results-meta{color:var(--text-soft);font-size:.92rem;margin-bottom:1.2rem}.no-results{text-align:center;padding:4rem 1rem;color:var(--text-soft)}.book-grid{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.book-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}.book-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.cover{position:relative;aspect-ratio:5 / 7;padding:1.3rem 1.2rem;display:flex;flex-direction:column;justify-content:space-between;color:#fff;text-decoration:none;background:linear-gradient(150deg,var(--cv-a, var(--ocean-700)) 0%,var(--cv-b, var(--ocean-900)) 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a{color:var(--ocean-900);text-decoration:none}.book-body h3 a:hover{color:var(--wine-500)}.book-meta{font-size:.85rem;color:var(--text-soft)}.book-desc{font-size:.9rem;color:var(--ink-600);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.book-actions{margin-top:auto;padding-top:.4rem}.book-actions .btn-amazon{width:100%;justify-content:center}.cat-tag{display:inline-flex;align-items:center;gap:.3rem;align-self:flex-start;font-size:.72rem;font-weight:600;letter-spacing:.03em;padding:.22rem .6rem;border-radius:999px;background:var(--cv-a, var(--ocean-700));color:#fff}.section{padding-block:3.5rem}.section-head{margin-bottom:1.8rem}.section-head h2{font-size:clamp(1.6rem,3.5vw,2.3rem)}.section-head p{color:var(--text-soft);max-width:60ch;margin:0}.cat-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.cat-link{display:block;text-decoration:none;color:#fff;border-radius:var(--radius);padding:1.3rem 1.3rem 1.4rem;min-height:130px;position:relative;overflow:hidden;background:linear-gradient(150deg,var(--c-a) 0%,var(--c-b) 100%);box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}.cat-link:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);color:#fff}.cat-link .c-emoji{font-size:1.6rem}.cat-link h3{color:#fff;font-size:1.18rem;margin:.5rem 0 .3rem}.cat-link p{margin:0;font-size:.85rem;color:#ffffffd9}.cat-link .c-count{position:absolute;top:1.1rem;right:1.2rem;font-weight:600;font-size:.85rem;background:#fff3;padding:.1rem .55rem;border-radius:999px}.detail{display:grid;grid-template-columns:280px 1fr;gap:2.5rem;align-items:start;padding-block:3rem}.detail .cover{border-radius:var(--radius);box-shadow:var(--shadow-md);aspect-ratio:5/7;position:sticky;top:90px}.detail h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.2em}.detail .subtitle{font-family:var(--font-serif);font-size:1.2rem;color:var(--ink-600);font-style:italic;margin-bottom:1rem}.detail .byline{font-size:1.05rem;color:var(--text-soft);margin-bottom:1.5rem}.detail .lead{font-size:1.12rem;line-height:1.7}.spec-list{list-style:none;padding:0;margin:1.8rem 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.8rem 1.5rem}.spec-list div{border-top:1px solid var(--border);padding-top:.5rem}.spec-list dt{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-400);font-weight:600}.spec-list dd{margin:.15rem 0 0;font-weight:500}.topic-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.2rem 0}.topic-tags span,.topic-tags a{font-size:.8rem;background:var(--sand-100);border:1px solid var(--border);color:var(--ink-700);padding:.25rem .65rem;border-radius:999px;text-decoration:none}.topic-tags a:hover{background:var(--ocean-700);border-color:var(--ocean-700);color:#fff}.buy-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.3rem;box-shadow:var(--shadow-sm);margin-top:1.5rem}.buy-box 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rgba(255,255,255,.12);font-size:.82rem;color:#fff9;line-height:1.6}.disclosure b{color:#ffffffd1}@media(max-width:760px){.detail{grid-template-columns:1fr}.detail .cover{position:static;max-width:230px}.footer-grid{grid-template-columns:1fr 1fr}.nav{display:none}}@media(max-width:480px){.footer-grid{grid-template-columns:1fr}.hero .stats{gap:1.5rem}}[hidden]{display:none!important}