:root{--color-bg: #0a0a0f;--color-bg-elevated: #141419;--color-surface: #1a1a22;--color-border: rgba(255, 255, 255, .08);--color-text-primary: #f5f5f7;--color-text-secondary: #a1a1aa;--color-text-tertiary: #71717a;--color-accent: #f59e0b;--color-accent-glow: rgba(245, 158, 11, .2);--color-success: #10b981;--font-display: "Fraunces", serif;--font-body: "IBM Plex Sans", system-ui, sans-serif;--space-unit: 1rem;--container-max: 720px;--ease-smooth: cubic-bezier(.4, 0, .2, 1);--ease-bounce: cubic-bezier(.68, -.55, .265, 1.55)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background-color:var(--color-bg);color:var(--color-text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}.bg-gradient{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-2;background:radial-gradient(ellipse 800px 600px at 50% 0%,rgba(245,158,11,.05),transparent),radial-gradient(ellipse 600px 800px at 100% 100%,rgba(139,92,246,.03),transparent)}.noise-overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");pointer-events:none}#app{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:3rem 1.5rem;display:flex;flex-direction:column;gap:4rem}@media(min-width:768px){.container{padding:5rem 2rem;gap:5rem}}.brand-mark{display:flex;align-items:center;gap:.75rem;color:var(--color-text-primary);animation:fadeInDown .8s var(--ease-smooth)}.clarity-icon{width:40px;height:40px;color:var(--color-accent)}.brand-text{font-family:var(--font-display);font-size:1.125rem;font-weight:600;letter-spacing:-.01em}.hero{text-align:center;display:flex;flex-direction:column;align-items:center;gap:2rem;margin-top:2rem}.title{font-family:var(--font-display);font-size:clamp(2.5rem,8vw,4.5rem);font-weight:700;line-height:1.1;letter-spacing:-.02em;color:var(--color-text-primary);max-width:18ch}.title .accent{color:var(--color-accent);position:relative;display:inline-block}.subtitle{font-size:clamp(1.125rem,3vw,1.375rem);color:var(--color-text-secondary);font-weight:300;line-height:1.5;max-width:32ch}.mobile-hide{display:inline}@media(max-width:640px){.mobile-hide{display:none}}.status-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:100px;font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--color-accent);animation:pulse 2s ease-in-out infinite}.signup{display:flex;justify-content:center}.signup-container{width:100%;max-width:480px;display:flex;flex-direction:column;gap:1.5rem}.signup-label{text-align:center;color:var(--color-text-secondary);font-size:.9375rem}.signup-form{display:flex;gap:.75rem;flex-direction:column}@media(min-width:640px){.signup-form{flex-direction:row}}.signup-form input{flex:1;padding:.875rem 1.25rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;color:var(--color-text-primary);font-family:var(--font-body);font-size:1rem;transition:all .2s var(--ease-smooth);outline:none}.signup-form input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-glow)}.signup-form input::placeholder{color:var(--color-text-tertiary)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.75rem;background:var(--color-accent);color:var(--color-bg);font-family:var(--font-body);font-size:1rem;font-weight:500;border:none;border-radius:8px;cursor:pointer;transition:all .2s var(--ease-smooth);white-space:nowrap}.btn-primary:hover{background:#ea8f00;transform:translateY(-1px);box-shadow:0 8px 16px #f59e0b4d}.btn-primary:active{transform:translateY(0)}.btn-arrow{transition:transform .2s var(--ease-smooth)}.btn-primary:hover .btn-arrow{transform:translate(2px)}.signup-success{display:none;align-items:center;justify-content:center;gap:.5rem;padding:1rem;background:#10b9811a;border:1px solid rgba(16,185,129,.3);border-radius:8px;color:var(--color-success);font-size:.9375rem;animation:fadeInUp .4s var(--ease-smooth)}.signup-success.show{display:flex}.preview{display:flex;flex-direction:column;gap:2rem}.preview-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:2rem;display:flex;flex-direction:column;gap:1.5rem}.preview-label{font-family:var(--font-display);font-size:1.25rem;font-weight:600;color:var(--color-text-primary)}.preview-list{list-style:none;display:flex;flex-direction:column;gap:1rem}.preview-list li{position:relative;padding-left:1.75rem;color:var(--color-text-secondary);line-height:1.6}.preview-list li:before{content:"";position:absolute;left:0;top:.5rem;width:6px;height:6px;border-radius:50%;background:var(--color-accent)}.meta-info{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.5rem}.meta-item{display:flex;flex-direction:column;gap:.375rem}.meta-label{font-size:.8125rem;color:var(--color-text-tertiary);text-transform:uppercase;letter-spacing:.05em;font-weight:500}.meta-value{font-size:1.125rem;color:var(--color-text-primary);font-weight:500}.book-mockup{display:flex;justify-content:center;padding:2rem 0}.book-3d{position:relative;width:220px;height:320px;perspective:1000px;transform-style:preserve-3d}.book-cover{position:absolute;width:100%;height:100%;background:linear-gradient(135deg,#1a1a22,#0f0f14);border:1px solid var(--color-border);border-radius:0 8px 8px 0;transform:rotateY(-25deg);transform-origin:left center;box-shadow:10px 10px 30px #0006,inset -2px 0 8px #ffffff08;transition:transform .4s var(--ease-smooth);overflow:hidden}.book-3d:hover .book-cover{transform:rotateY(-15deg)}.book-inner{padding:2rem 1.5rem;height:100%;display:flex;flex-direction:column;align-items:center;text-align:center;gap:1rem}.book-icon{width:48px;height:48px;color:var(--color-accent);margin-top:1rem}.book-icon svg{width:100%;height:100%}.book-title{font-family:var(--font-display);font-size:1.125rem;font-weight:700;line-height:1.3;color:var(--color-text-primary);margin-top:.5rem}.book-subtitle{font-size:.75rem;color:var(--color-text-secondary);line-height:1.4;max-width:90%}.book-author{font-size:.8125rem;color:var(--color-accent);font-weight:500;margin-top:auto;margin-bottom:1rem}.book-spine{position:absolute;left:0;top:0;width:20px;height:100%;background:linear-gradient(90deg,#0a0a0f,#1a1a22);transform:rotateY(65deg) translate(-10px);transform-origin:left center;border-radius:2px 0 0 2px}.book-pages{position:absolute;right:8px;top:4px;width:12px;height:calc(100% - 8px);background:repeating-linear-gradient(to bottom,#f5f5f7 0px 1px,#e5e5e7 1px 2px);transform:rotateY(-25deg) translateZ(-1px);transform-origin:left center;border-radius:0 2px 2px 0;opacity:.9}@media(min-width:768px){.book-3d{width:260px;height:380px}.book-title{font-size:1.25rem}.book-subtitle{font-size:.8125rem}.book-icon{width:56px;height:56px}}.footer{text-align:center;padding:2rem 0;border-top:1px solid var(--color-border);margin-top:2rem}.footer p{color:var(--color-text-tertiary);font-size:.9375rem;line-height:1.6;max-width:40ch;margin:0 auto}.blur-in{opacity:0;filter:blur(10px);transform:translateY(20px);animation:blurIn .8s var(--ease-smooth) forwards}.blur-in[data-delay="200"]{animation-delay:.2s}.blur-in[data-delay="400"]{animation-delay:.4s}.blur-in[data-delay="500"]{animation-delay:.5s}.blur-in[data-delay="600"]{animation-delay:.6s}.blur-in[data-delay="800"]{animation-delay:.8s}@keyframes blurIn{0%{opacity:0;filter:blur(10px);transform:translateY(20px)}to{opacity:1;filter:blur(0);transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1;box-shadow:0 0 0 0 var(--color-accent-glow)}50%{opacity:.6;box-shadow:0 0 0 8px transparent}}.btn-primary.loading{pointer-events:none;opacity:.7}.btn-primary.loading .btn-text:after{content:"";display:inline-block;width:12px;height:12px;margin-left:8px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}