:root{--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-serif: "Playfair Display", serif;--color-bg: #F9F9F9;--color-text: #1a1a1a;--color-text-light: #666;--color-accent: #333;--color-border: #e0e0e0;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--spacing-xl: 8rem;--container-width: 900px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:opacity .2s}a:hover{opacity:.7}ul{list-style:none}img{max-width:100%;display:block}.container{max-width:var(--container-width);margin:0 auto;padding:0 var(--spacing-sm)}.section{padding:var(--spacing-xl) 0}.content-wrapper{display:grid;grid-template-columns:1fr;gap:var(--spacing-md)}@media(min-width:768px){.content-wrapper{grid-template-columns:200px 1fr;gap:var(--spacing-lg)}}.site-header{padding:var(--spacing-md) 0;position:sticky;top:0;background-color:#f9f9f9e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100}.site-header nav{display:flex;justify-content:space-between;align-items:center}.logo{font-weight:600;font-size:1.1rem;letter-spacing:-.02em}.nav-links{display:flex;gap:var(--spacing-md);font-size:.9rem;font-weight:500}.hero-section{min-height:80vh;display:flex;flex-direction:column;justify-content:center;padding-bottom:var(--spacing-xl)}.hero-title{font-size:3rem;line-height:1.1;font-weight:400;margin-bottom:var(--spacing-md);letter-spacing:-.03em}.italic-serif{font-family:var(--font-serif);font-style:italic;font-weight:400}.hero-subtitle{font-size:1.1rem;color:var(--color-text-light);max-width:400px}.section-title{font-size:.9rem;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-light);margin-top:.4rem}.text-block p+p{margin-top:var(--spacing-sm)}.text-block p{font-size:1.1rem;max-width:65ch}.book-feature{border:1px solid var(--color-border);padding:var(--spacing-md);border-radius:8px;display:flex;flex-direction:column;gap:var(--spacing-md)}@media(min-width:768px){.book-feature{flex-direction:row;align-items:center}}.book-info{flex:1}.book-visual{width:150px;height:200px;background-color:#222;flex-shrink:0;display:flex;align-items:center;justify-content:center;overflow:hidden}.book-cover-img{width:100%;height:100%;object-fit:cover}.label{display:inline-block;font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--color-text);padding:.2em .6em;border-radius:20px;margin-bottom:.5rem}.book-title{font-family:var(--font-serif);font-size:2rem;margin-bottom:var(--spacing-sm)}.book-desc{margin-bottom:var(--spacing-md);color:var(--color-text-light)}.btn-text{font-weight:500;border-bottom:1px solid currentColor;padding-bottom:2px}.contact-form{display:grid;gap:var(--spacing-md);max-width:500px}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.9rem;font-weight:500}.form-group input,.form-group textarea{padding:.8rem;background:transparent;border:1px solid var(--color-border);border-radius:4px;font-family:inherit;font-size:1rem;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-text)}.btn-primary{padding:1rem 2rem;background:var(--color-text);color:#fff;border:none;border-radius:4px;font-family:inherit;font-weight:500;cursor:pointer;justify-self:start;transition:background .2s}.btn-primary:hover{background:#000}.site-footer{border-top:1px solid var(--color-border);padding:var(--spacing-md) 0;display:flex;justify-content:space-between;font-size:.9rem;color:var(--color-text-light);margin-top:var(--spacing-xl)}.social-links{display:flex;gap:var(--spacing-sm)}@media(max-width:600px){.hero-title{font-size:2.2rem}}