:root {
  --color-cream: #FDF6EC; --color-cream-dark: #F5EBDA;
  --color-brown: #5C3D2E; --color-brown-light: #7A5C4F; --color-brown-dark: #3E2518;
  --color-gold: #C4A265; --color-gold-muted: #B8956A; --color-gold-light: #E8D5A8;
  --color-text: #2C1810; --color-text-muted: #6B5B4F;
  --color-bg: #FFFBF5; --color-card: #FFFFFF; --color-border: #E8DDD0;
  --color-link: #7A4A2A;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --shadow-sm: 0 1px 3px rgba(60,30,10,0.08);
  --shadow-md: 0 4px 12px rgba(60,30,10,0.1);
  --shadow-lg: 0 8px 30px rgba(60,30,10,0.15);
  --shadow-book: 4px 4px 15px rgba(60,30,10,0.2);
  --radius: 8px; --radius-lg: 16px; --max-width: 1200px; --transition: 0.3s ease;
}
[data-theme="dark"] {
  --color-cream: #1A1410; --color-cream-dark: #231C14;
  --color-brown: #D4B896; --color-brown-light: #C4A882; --color-brown-dark: #E8D5B8;
  --color-gold: #D4B06A; --color-gold-muted: #C4A265; --color-gold-light: #3D3220;
  --color-text: #F0E6D8; --color-text-muted: #A89888;
  --color-bg: #0F0B08; --color-card: #1E1812; --color-border: #3A2E22;
  --color-link: #D4A06A;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3); --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.5); --shadow-book: 4px 4px 15px rgba(0,0,0,0.5);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.page-transition{animation:fadeSlideIn .5s ease-out}
@keyframes fadeSlideIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-brown-dark);line-height:1.3;font-weight:700}
h1{font-size:clamp(2rem,5vw,3.2rem)} h2{font-size:clamp(1.6rem,4vw,2.4rem)} h3{font-size:clamp(1.2rem,3vw,1.6rem)}
p{margin-bottom:1rem}
a{color:var(--color-link);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--color-gold)}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.5rem}
.section{padding:5rem 0} .section--alt{background:var(--color-cream)}
.section-header{text-align:center;margin-bottom:3rem}
.section-header h2{margin-bottom:.75rem}
.section-header p{color:var(--color-text-muted);font-size:1.1rem;max-width:600px;margin:0 auto}
.section-header .accent-line{width:60px;height:3px;background:linear-gradient(90deg,var(--color-gold),var(--color-gold-muted));margin:1rem auto 0;border-radius:2px}
.skip-link{position:absolute;top:-100%;left:1rem;background:var(--color-brown);color:#fff;padding:.5rem 1rem;border-radius:var(--radius);z-index:9999;font-size:.9rem}
.skip-link:focus{top:1rem;color:#fff}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,251,245,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);transition:background var(--transition),box-shadow var(--transition)}
[data-theme="dark"] .site-header{background:rgba(15,11,8,.95)}
.site-header.scrolled{box-shadow:var(--shadow-md)}
.nav-wrapper{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;color:var(--color-brown-dark);letter-spacing:-.02em}
.nav-logo span{color:var(--color-gold)}
.nav-links{display:flex;align-items:center;gap:2rem;list-style:none}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--color-text-muted);position:relative;padding:.25rem 0}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--color-gold);transition:width var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--color-brown-dark)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.theme-toggle{background:none;border:1px solid var(--color-border);border-radius:50%;width:40px;height:40px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--color-text-muted);transition:all var(--transition)}
.theme-toggle:hover{background:var(--color-cream);color:var(--color-gold);border-color:var(--color-gold)}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem;z-index:1001}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--color-text);margin:6px 0;transition:all var(--transition);border-radius:2px}
.nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}
@media(max-width:768px){
.nav-toggle{display:block}
.nav-menu{position:fixed;top:72px;left:0;right:0;bottom:0;background:var(--color-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;transform:translateX(100%);transition:transform .4s ease;z-index:999}
.nav-menu.open{transform:translateX(0)}
.nav-links{flex-direction:column;gap:1.5rem}
.nav-links a{font-size:1.2rem}
}
.hero{padding:6rem 0 5rem;text-align:center;background:linear-gradient(180deg,var(--color-cream) 0%,var(--color-bg) 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;left:-25%;width:150%;height:150%;background:radial-gradient(ellipse at center,rgba(196,162,101,.08) 0%,transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:1}
.hero-eyebrow{display:inline-block;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.15em;color:var(--color-gold-muted);margin-bottom:1rem}
.hero h1{margin-bottom:1.25rem;font-size:clamp(2.5rem,6vw,4rem)}
.hero-tagline{font-size:clamp(1.1rem,2.5vw,1.4rem);color:var(--color-text-muted);max-width:600px;margin:0 auto 2.5rem;line-height:1.6}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 2rem;border-radius:var(--radius);font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:all var(--transition);text-decoration:none;font-family:var(--font-body)}
.btn-primary{background:var(--color-brown);color:#fff}
.btn-primary:hover{background:var(--color-brown-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-secondary{background:transparent;color:var(--color-brown);border:2px solid var(--color-brown)}
.btn-secondary:hover{background:var(--color-brown);color:#fff;transform:translateY(-2px)}
.btn-gold{background:linear-gradient(135deg,var(--color-gold),var(--color-gold-muted));color:#fff}
.btn-gold:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);color:#fff}
.btn-amazon{background:#FF9900;color:#111;font-weight:700}
.btn-amazon:hover{background:#E88B00;color:#111;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-sm{padding:.6rem 1.25rem;font-size:.85rem}
.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:2rem}
.book-card{background:var(--color-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border);transition:all .4s ease;position:relative}
.book-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--color-gold-light)}
.book-cover{aspect-ratio:2/3;background:linear-gradient(135deg,var(--color-cream-dark),var(--color-cream));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.book-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.05) 100%)}
.book-cover-placeholder{text-align:center;padding:2rem;z-index:1}
.book-cover-placeholder .book-icon{font-size:3rem;margin-bottom:.75rem;display:block}
.book-cover-placeholder .book-title-preview{font-family:var(--font-heading);font-size:1rem;color:var(--color-brown);font-weight:600;line-height:1.3}
.book-cover img{width:100%;height:100%;object-fit:cover}
.book-badge{position:absolute;top:12px;right:12px;background:var(--color-gold);color:#fff;font-size:.75rem;font-weight:700;padding:.25rem .75rem;border-radius:20px;text-transform:uppercase;letter-spacing:.05em;z-index:2}
.book-info{padding:1.25rem}
.book-category{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-gold-muted);margin-bottom:.5rem}
.book-info h3{font-size:1.1rem;margin-bottom:.5rem;line-height:1.3}
.book-info p{font-size:.9rem;color:var(--color-text-muted);margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.book-info .btn{width:100%;justify-content:center}
.featured-books{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem}
@media(max-width:1024px){.featured-books{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.featured-books{grid-template-columns:1fr;max-width:320px;margin:0 auto}}
.about-preview{display:grid;grid-template-columns:1fr 1.5fr;gap:4rem;align-items:center}
.about-image{aspect-ratio:3/4;background:linear-gradient(135deg,var(--color-cream-dark),var(--color-cream));border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;border:1px solid var(--color-border);box-shadow:var(--shadow-book)}
.about-image-placeholder{text-align:center;color:var(--color-text-muted);font-size:.9rem}
.about-image-placeholder .placeholder-icon{font-size:4rem;display:block;margin-bottom:.75rem}
.about-text h2{margin-bottom:1rem}
.about-text p{color:var(--color-text-muted);font-size:1.05rem;margin-bottom:1.25rem}
@media(max-width:768px){.about-preview{grid-template-columns:1fr;gap:2rem}.about-image{max-width:300px;margin:0 auto}}
.carousel-wrapper{position:relative;overflow:hidden}
.carousel-track{display:flex;gap:2rem;transition:transform .5s ease;padding:1rem 0}
.carousel-track .book-card{min-width:260px;flex-shrink:0}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;background:var(--color-card);border:1px solid var(--color-border);box-shadow:var(--shadow-md);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--color-text);z-index:2;transition:all var(--transition)}
.carousel-btn:hover{background:var(--color-gold);color:#fff;border-color:var(--color-gold)}
.carousel-btn--prev{left:.5rem} .carousel-btn--next{right:.5rem}
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.testimonial-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;transition:all var(--transition)}
.testimonial-card:hover{box-shadow:var(--shadow-md);border-color:var(--color-gold-light)}
.testimonial-stars{color:var(--color-gold);font-size:1.1rem;margin-bottom:1rem;letter-spacing:.1em}
.testimonial-text{font-style:italic;color:var(--color-text-muted);font-size:1rem;line-height:1.7;margin-bottom:1.25rem}
.testimonial-author{font-weight:600;font-size:.9rem;color:var(--color-brown)}
.testimonial-source{font-size:.8rem;color:var(--color-text-muted)}
.newsletter-section{background:linear-gradient(135deg,var(--color-brown) 0%,var(--color-brown-dark) 100%);color:#fff;text-align:center;padding:5rem 0}
.newsletter-section h2{color:#fff;margin-bottom:.75rem}
.newsletter-section p{color:rgba(255,255,255,.8);max-width:500px;margin:0 auto 2rem;font-size:1.05rem}
.newsletter-form{display:flex;gap:.75rem;max-width:480px;margin:0 auto}
.newsletter-form input[type="email"]{flex:1;padding:.85rem 1.25rem;border:2px solid rgba(255,255,255,.2);border-radius:var(--radius);background:rgba(255,255,255,.1);color:#fff;font-size:1rem;font-family:var(--font-body);transition:border-color var(--transition)}
.newsletter-form input[type="email"]::placeholder{color:rgba(255,255,255,.5)}
.newsletter-form input[type="email"]:focus{outline:none;border-color:var(--color-gold)}
.newsletter-form button{padding:.85rem 1.75rem;background:var(--color-gold);color:#fff;border:none;border-radius:var(--radius);font-weight:700;font-size:.95rem;cursor:pointer;transition:all var(--transition);white-space:nowrap;font-family:var(--font-body)}
.newsletter-form button:hover{background:var(--color-gold-muted);transform:translateY(-2px)}
.newsletter-privacy{font-size:.8rem;color:rgba(255,255,255,.5);margin-top:1rem}
@media(max-width:500px){.newsletter-form{flex-direction:column}}
.filter-tabs{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:3rem}
.filter-tab{padding:.6rem 1.5rem;border:1px solid var(--color-border);border-radius:30px;background:var(--color-card);color:var(--color-text-muted);font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition);font-family:var(--font-body)}
.filter-tab:hover{border-color:var(--color-gold);color:var(--color-brown)}
.filter-tab.active{background:var(--color-brown);color:#fff;border-color:var(--color-brown)}
.about-hero{display:grid;grid-template-columns:1fr 2fr;gap:4rem;align-items:start;padding:4rem 0}
.about-photo{aspect-ratio:3/4;background:linear-gradient(135deg,var(--color-cream-dark),var(--color-cream));border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;border:1px solid var(--color-border);box-shadow:var(--shadow-book);position:sticky;top:100px}
.about-content h1{margin-bottom:1.5rem}
.about-content h2{margin-top:2.5rem;margin-bottom:1rem;font-size:1.5rem}
.about-content p{color:var(--color-text-muted);font-size:1.05rem;line-height:1.8}
@media(max-width:768px){.about-hero{grid-template-columns:1fr;gap:2rem}.about-photo{max-width:280px;margin:0 auto;position:static}}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;padding:4rem 0}
.contact-info h1{margin-bottom:1rem}
.contact-info p{color:var(--color-text-muted);font-size:1.05rem;margin-bottom:2rem}
.contact-detail{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;color:var(--color-text-muted)}
.contact-detail-icon{width:48px;height:48px;background:var(--color-cream);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.contact-form{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2.5rem}
.form-group{margin-bottom:1.5rem}
.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.5rem;color:var(--color-brown)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:.85rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius);font-family:var(--font-body);font-size:1rem;color:var(--color-text);background:var(--color-bg);transition:border-color var(--transition)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--color-gold);box-shadow:0 0 0 3px rgba(196,162,101,.15)}
.form-group textarea{resize:vertical;min-height:140px}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr;gap:2rem}}
.breadcrumb{padding:1rem 0;font-size:.85rem;color:var(--color-text-muted)}
.breadcrumb a{color:var(--color-text-muted)} .breadcrumb a:hover{color:var(--color-gold)}
.breadcrumb span{margin:0 .5rem;opacity:.5}
.site-footer{background:var(--color-cream);border-top:1px solid var(--color-border);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand h3{font-family:var(--font-heading);font-size:1.3rem;margin-bottom:.75rem}
.footer-brand p{color:var(--color-text-muted);font-size:.9rem;line-height:1.6}
.footer-col h4{font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1rem;color:var(--color-brown)}
.footer-col ul{list-style:none} .footer-col li{margin-bottom:.6rem}
.footer-col a{color:var(--color-text-muted);font-size:.9rem} .footer-col a:hover{color:var(--color-gold)}
.footer-social{display:flex;gap:.75rem;margin-top:1rem}
.footer-social a{width:40px;height:40px;border-radius:50%;border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--color-text-muted);transition:all var(--transition)}
.footer-social a:hover{background:var(--color-gold);color:#fff;border-color:var(--color-gold)}
.footer-bottom{border-top:1px solid var(--color-border);padding-top:2rem;display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--color-text-muted);flex-wrap:wrap;gap:1rem}
.footer-bottom a{color:var(--color-text-muted)}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.page-header{background:var(--color-cream);padding:3rem 0;text-align:center;border-bottom:1px solid var(--color-border)}
.page-header h1{margin-bottom:.5rem}
.page-header p{color:var(--color-text-muted);font-size:1.1rem;max-width:600px;margin:0 auto}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.text-center{text-align:center} .mt-2{margin-top:1rem} .mt-4{margin-top:2rem} .mb-2{margin-bottom:1rem} .mb-4{margin-bottom:2rem}
.book-card::before{content:'';position:absolute;top:0;left:0;bottom:50%;width:4px;background:linear-gradient(180deg,rgba(0,0,0,.08),transparent);z-index:1;border-radius:var(--radius-lg) 0 0 0}
:focus-visible{outline:2px solid var(--color-gold);outline-offset:2px}
@media print{.site-header,.site-footer,.newsletter-section,.theme-toggle,.nav-toggle{display:none}body{color:#000;background:#fff}.book-card{break-inside:avoid}}