:root{--primary-color:#2c3e50;--secondary-color:#3498db;--text-color:#333;--light-gray:#f5f5f5;--white:#ffffff;--black:#000000;--border-radius:4px;--transition:all 0.3s ease}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6;color:var(--text-color);background-color:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.header{background-color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.1);position:-webkit-sticky;position:sticky;top:0;z-index:1000;padding:1rem 0}.upcoming-content{width:100%}.upcoming-book{display:flex;flex-direction:row;gap:2rem;align-items:flex-start;margin:2rem 0;width:100%}.book-cover{flex:0 0 auto;margin:0;padding:0}.book-details{flex:1 1;margin:0;padding:0}.upcoming-cover{max-width:200px;width:100%;height:auto;display:block;border-radius:4px;box-shadow:0 2px 5px rgba(0,0,0,.1);margin:0}.header .container{display:flex;justify-content:space-between;align-items:center}.site-title{margin:0;font-size:1.5rem;font-weight:700}.site-title-link{color:var(--primary-color);text-decoration:none;transition:var(--transition)}.site-title-link:hover{color:var(--secondary-color)}.nav{display:flex;gap:1.5rem}.nav-link{color:var(--text-color);text-decoration:none;font-weight:500;padding:.5rem 0;position:relative}.nav-link,.nav-link:after{transition:var(--transition)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--secondary-color)}.nav-link.active,.nav-link:hover{color:var(--secondary-color)}.nav-link.active:after,.nav-link:hover:after{width:100%}.main{min-height:calc(100vh - 200px)}.footer,.main{padding:2rem 0}.footer{background-color:var(--primary-color);color:#fff;text-align:center}.footer p{margin:0;opacity:.9}.mobile-menu-button{display:none;background:none;border:none;cursor:pointer;padding:.5rem;z-index:1001;position:relative}.mobile-menu-button span{display:block;width:24px;height:2px;background-color:var(--primary-color);margin:5px 0;transition:var(--transition);transform-origin:center}.mobile-menu-button.active span:first-child{transform:translateY(7px) rotate(45deg)}.mobile-menu-button.active span:nth-child(2){opacity:0}.mobile-menu-button.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (max-width:768px){.mobile-menu-button{display:block}.nav{position:fixed;top:80px;left:0;width:100%;background-color:#fff;flex-direction:column;align-items:center;padding:1rem 0;box-shadow:0 4px 6px rgba(0,0,0,.1);transform:translateY(-150%);transition:var(--transition);z-index:999}.nav.active{transform:translateY(0)}.nav-link{padding:.75rem 0}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}h1,h2,h3,h4,h5,h6{margin-bottom:1rem;line-height:1.2;color:var(--primary-color)}h1{font-size:2.5rem}p{margin-bottom:1.5rem}a{color:var(--secondary-color);text-decoration:none;transition:var(--transition)}a:hover{text-decoration:underline}.hero{padding:2rem 0;background:linear-gradient(135deg,var(--primary-color),#1a365d);color:white;min-height:auto;width:100%;box-sizing:border-box}.hero-content{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;flex-direction:column;align-items:center;text-align:center}.hero-image-container{margin-bottom:1.5rem}.hero-image{width:150px;height:150px;border-radius:50%;object-fit:cover;border:4px solid white;box-shadow:0 4px 8px rgba(0,0,0,.1)}.hero-title{font-size:1.75rem;margin:0 0 .5rem;line-height:1.2;color:white}.hero-subtitle{font-size:1.1rem;margin:0 0 1.5rem;opacity:.9}.hero-quote{width:100%;max-width:600px;margin:0 auto 1.5rem}.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;margin-top:1.5rem}@media (min-width:768px){.hero{padding:3rem 0}.hero-image{width:200px;height:200px}.hero-title{font-size:2.25rem}.hero-subtitle{font-size:1.25rem}}@media (min-width:1024px){.hero{padding:4rem 0}.hero-image{width:220px;height:220px}}