body{margin:0;font-family:Inter,Helvetica Neue,Arial,"sans-serif";background:#fff;color:#111}.serif{font-family:Libre Baskerville,Georgia,Times New Roman,Times,serif}.logo-img{height:2.5rem;width:auto;margin-right:.5rem;vertical-align:middle}.header{max-width:1200px;margin:0 auto;padding:2rem 1.5rem 1.5rem;display:flex;flex-direction:column;align-items:center;justify-content:space-between}@media (min-width: 768px){.header{flex-direction:row;align-items:flex-end}}.logo{display:flex;align-items:center;font-size:2rem;font-weight:700;gap:.5rem}.logo-quote{font-size:2.5rem;font-weight:900}.nav{display:flex;gap:2rem;font-size:1.1rem;font-weight:500}.hero{text-align:center;margin-top:2rem;margin-bottom:2rem}.hero-title{font-size:3.45rem;font-weight:300;margin-bottom:1rem}.hero-title-accent{background:linear-gradient(90deg,#ec4899,#8b5cf6);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}.hero-desc{font-size:1.3rem;margin-bottom:6rem}.hero-actions{display:flex;flex-direction:column;align-items:center;gap:1rem;max-width:700px;margin:3rem auto 6rem}@media (min-width: 768px){.hero-actions{flex-direction:row}}.hero-input-wrapper{display:flex;align-items:center;background:linear-gradient(90deg,#a259ff,#f24e1e);border-radius:999px;padding:2px;min-width:340px;max-width:480px;width:100%;box-sizing:border-box}.hero-input{flex:1;border:none;border-radius:999px;background:#fff;padding:1.1rem 2rem;font-size:1.25rem;outline:none;color:#555;box-shadow:0 2px 8px #a059ff0f;transition:all .2s ease;cursor:pointer}.hero-input:hover{box-shadow:0 4px 16px #a059ff26;transform:translateY(-1px);background:#fafafa}.hero-input:active{box-shadow:0 2px 8px #a059ff33;transform:translateY(0);background:#f5f5f5}.hero-input::placeholder{color:#888;opacity:1;font-size:1.2rem}.hero-btn{padding:1.1rem 4.2rem;min-width:260px;border-radius:999px;background:linear-gradient(90deg,#a259ff,#f24e1e);color:#fff;font-weight:500;font-size:1.2rem;border:none;box-shadow:0 2px 8px #a059ff1a;cursor:pointer;transition:all .2s ease;white-space:nowrap;text-align:center;display:flex;align-items:center;justify-content:center}.hero-btn:hover{box-shadow:0 4px 16px #a059ff33;transform:translateY(-1px)}.hero-btn:active{box-shadow:0 2px 8px #a059ff26;transform:translateY(0)}.hero-btn:disabled{opacity:.7;cursor:not-allowed}.features,.info-grid{max-width:1200px;margin:0 auto 2.5rem;padding:0 1.5rem;display:grid;gap:2.5rem}.features{grid-template-columns:1fr;margin-top:2rem}@media (min-width: 768px){.features{grid-template-columns:1fr 1fr;margin-top:2rem}}.features-video{display:flex;align-items:center;justify-content:center;background:#f3f4f6;border-radius:1rem;min-height:160px;font-size:1.2rem;color:#bbb}.info-grid{grid-template-columns:1fr}@media (min-width: 768px){.info-grid{grid-template-columns:1fr 1fr}}.info-block{display:flex;flex-direction:column;gap:.2rem}.info-block-title,.built-title{font-size:1.45rem;font-weight:300;margin-bottom:.2rem}.info-block-desc{font-size:1rem}.built{max-width:1200px;margin:0 auto 3rem;padding:0 1.5rem}.built-desc{font-size:1rem}.footer{width:100%;border-top:1px solid #e5e7eb;padding:1.5rem 0;text-align:center;font-size:.85rem;color:#888}.footer-link{margin:0 .5rem;color:#888;text-decoration:underline;cursor:pointer}.logo-text{font-weight:400}.nav-light span{font-weight:300}.hamburger{display:none;background:none;border:none;flex-direction:column;justify-content:center;align-items:center;cursor:pointer;margin-right:1rem;z-index:1002}.hamburger span{display:block;width:28px;height:3px;background:#111;margin:4px 0;border-radius:2px;transition:.2s}@media (max-width: 900px){.header{flex-direction:row;align-items:center;justify-content:center;position:relative;padding-top:1.2rem;padding-bottom:1.2rem}.logo{margin:0 auto;justify-content:center}.nav{display:none}.hamburger{display:flex;position:absolute;left:1.2rem;top:50%;transform:translateY(-50%)}}.mobile-menu-overlay{position:fixed;inset:0;background:#0000002e;z-index:1001;display:flex;align-items:flex-start;justify-content:flex-start}.mobile-menu{background:#fff;border-radius:0;box-shadow:0 2px 16px #0000001a;padding:5.5rem 2rem 2rem;margin-top:0;min-width:100vw;width:100vw;max-width:100vw;display:flex;flex-direction:column;gap:2rem;position:relative;z-index:1002;animation:slideInLeft .2s;height:100vh;box-sizing:border-box}@keyframes slideInLeft{0%{transform:translate(-100%);opacity:0}to{transform:translate(0);opacity:1}}.close-menu{position:absolute;top:1.2rem;right:1.2rem;background:none;border:none;font-size:2rem;color:#888;cursor:pointer}.audio-demo{display:flex;align-items:center;justify-content:center;background:#f8f9fa;border-radius:1rem;padding:2rem .2rem;min-height:300px}.audio-demo-content{display:flex;flex-direction:column;align-items:center;gap:1.5rem;width:100%;max-width:400px}.voice-selection{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center}.voice-btn{display:flex;align-items:center;gap:.4rem;padding:.6rem .75rem;background:#fff;border:2px solid #e5e7eb;border-radius:1.5rem;font-size:.9rem;font-weight:500;color:#374151;cursor:pointer;transition:all .2s ease;white-space:nowrap}.voice-btn.active{background:#111;color:#fff;border-color:#111}.voice-btn:hover:not(.active){border-color:#9ca3af;background:#f9fafb}.voice-icon{font-size:.8rem}.chapter-info{text-align:center;margin:.5rem 0}.chapter-title{font-size:1.1rem;font-weight:600;color:#111;margin:0 0 .3rem}.chapter-author{font-size:.95rem;color:#6b7280;margin:0;font-family:Libre Baskerville,Georgia,Times New Roman,Times,serif}.audio-controls{width:100%;display:flex;flex-direction:column;gap:1rem}.progress-container{display:flex;align-items:center;gap:.8rem;width:100%}.time-display{font-size:.85rem;color:#6b7280;font-weight:500;min-width:35px;text-align:center}.progress-bar{flex:1;height:4px;background:#e5e7eb;border-radius:2px;cursor:pointer;position:relative}.progress-fill{height:100%;background:#111;border-radius:2px;transition:width .1s ease}.control-buttons{display:flex;align-items:center;justify-content:center;gap:1.2rem}.control-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;width:48px;height:48px;background:#f8f9fa;border:2px solid #e1e5e9;border-radius:50%;cursor:pointer;transition:all .2s ease;font-size:.7rem;color:#6b7280}.control-btn:hover{border-color:#9ca3af;background:#f1f3f4}.skip-text{font-size:.7rem;font-weight:600;line-height:1;margin-bottom:-2px;color:#374151}.skip-icon{font-size:1.1rem;line-height:1;color:#6b7280}.play-btn{display:flex;align-items:center;justify-content:center;width:56px;height:56px;background:#111;border:none;border-radius:50%;cursor:pointer;transition:all .2s ease;font-size:1.3rem;color:#fff}.play-btn:hover{background:#374151;transform:scale(1.02)}@media (max-width: 768px){.audio-demo{padding:1.5rem .1rem;min-height:280px}.voice-btn{font-size:.8rem;padding:.5rem .6rem}.chapter-title{font-size:1rem}.chapter-author{font-size:.9rem}}