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cubic-bezier(.4,0,.2,1);padding:.75rem 1.5rem;border-radius:12px;position:relative;overflow:hidden}.nav-link:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#5048e5,#10b2cb);opacity:0;transition:opacity .3s;z-index:-1}.nav-link:hover{color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px #5048e54d}.nav-link:hover:before{opacity:1}.nav-link:active{transform:translateY(0)}@media(max-width:768px){.header-nav{display:none}}.header-right{display:flex;align-items:center;gap:1rem}.user-menu{display:flex;align-items:center;gap:1rem;padding:.5rem .75rem;background:linear-gradient(135deg,#5048e514,#10b2cb14);border:1px solid hsla(243,75%,59%,.2);border-radius:16px;transition:all .3s cubic-bezier(.4,0,.2,1)}.user-menu:hover{background:linear-gradient(135deg,#5048e51f,#10b2cb1f);border-color:#5048e54d;box-shadow:0 4px 16px 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cubic-bezier(.4,0,.2,1);white-space:nowrap;flex-shrink:0;position:relative;overflow:hidden}.sign-out-btn:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#ef4343,#dc2828);opacity:0;transition:opacity .3s;z-index:-1}.sign-out-btn:hover{color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:0 4px 12px #ef43434d}.sign-out-btn:hover:before{opacity:1}.sign-out-btn:active{transform:translateY(0)}@media(max-width:640px){.header{padding:.75rem 1rem}.header-container{padding:.5rem 1rem;border-radius:16px}.user-menu{gap:.5rem;padding:.375rem .5rem;border-radius:12px}.user-avatar{width:2.25rem;height:2.25rem;font-size:.8rem}.sign-out-btn{padding:.375rem .75rem;font-size:.8rem}.nav-link{padding:.625rem 1.25rem;font-size:.875rem}}:root{--primary: hsl(243, 75%, 59%);--primary-dark: hsl(243, 75%, 49%);--secondary: hsl(328, 86%, 70%);--background: hsl(0, 0%, 100%);--surface: hsl(0, 0%, 100%);--surface-light: hsl(210, 40%, 96%);--text-primary: hsl(222, 84%, 4.9%);--text-secondary: hsl(215, 13%, 65%);--border: hsl(214, 31%, 91%);--success: hsl(162, 73%, 46%);--error: hsl(0, 84%, 60%);--accent: hsl(199, 89%, 80%);--aurora-blue: hsl(243, 75%, 59%);--aurora-cyan: hsl(188, 85%, 43%);--aurora-green: hsl(162, 73%, 46%);--aurora-purple: hsl(262, 69%, 67%);--aurora-pink: hsl(328, 86%, 70%);--aurora-light: hsl(199, 89%, 80%);--aurora-yellow: hsl(52, 98%, 77%);--aurora-teal: hsl(173, 80%, 40%);--aurora-lime: hsl(84, 81%, 44%);--aurora-amber: hsl(45, 97%, 64%);--aurora-red: hsl(0, 84%, 60%);--aurora-orange: hsl(25, 95%, 53%)}*{margin:0;padding:0;box-sizing:border-box}html,body{margin:0;padding:0;width:100%;overflow-x:hidden;background:#fff}body{background:#fff;color:var(--text-primary)}#root{min-height:100vh;width:100%;display:flex;flex-direction:column;overflow-x:hidden;background:#fff}.app-layout{display:flex;flex-direction:column;min-height:100vh}.app-content{flex:1;padding:2rem;max-width:1900px;margin:0 auto;width:100%}@media(max-width:768px){.app-content{padding:1rem}}.hero{flex:1;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;background:#fff;position:relative;overflow:hidden;min-height:80vh}.hero:before{content:"";position:absolute;top:-50%;right:-50%;width:100%;height:100%;background:radial-gradient(circle at top right,hsla(243,75%,59%,.05) 0%,hsla(188,85%,43%,.03) 50%,transparent 70%);pointer-events:none}.logo-container{position:relative;z-index:1;margin-bottom:1.5rem}.hero .logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s,transform .3s;filter:drop-shadow(0 0 20px rgba(99,102,241,.3))}.hero .logo:hover{filter:drop-shadow(0 0 30px rgba(99,102,241,.5));transform:scale(1.05)}.hero h1{position:relative;z-index:1;font-size:3rem;font-weight:800;background:linear-gradient(90deg,var(--aurora-blue) 0%,var(--aurora-cyan) 40%,var(--aurora-green) 70%,var(--aurora-pink) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:1rem;text-shadow:0 10px 30px rgba(0,0,0,.1)}.hero p{position:relative;z-index:1;font-size:1.25rem;color:var(--text-secondary);margin-bottom:2rem}.cta-buttons{position:relative;z-index:1;display:flex;gap:1rem;margin-bottom:3rem;flex-wrap:wrap;justify-content:center}.cta-button{padding:.875rem 2.25rem;border-radius:12px;font-size:1rem;font-weight:700;text-decoration:none;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);border:2px solid transparent;position:relative;overflow:hidden}.cta-button.primary{background:linear-gradient(135deg,var(--aurora-blue) 0%,var(--aurora-cyan) 100%);color:#fff;box-shadow:0 4px 15px #5048e54d}.cta-button.primary:hover{transform:translateY(-3px);box-shadow:0 8px 25px #5048e566}.cta-button.primary:active{transform:translateY(-1px)}.cta-button.secondary{background:#fff;color:var(--aurora-blue);border:2px solid var(--aurora-blue);box-shadow:0 2px 8px #5048e51a}.cta-button.secondary:hover{background:#f0f0ff;transform:translateY(-3px);box-shadow:0 8px 20px #5048e540}.cta-button.secondary:active{transform:translateY(-1px)}.features-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;width:100%;max-width:1400px;padding:0 1rem}.feature-card{background:#fff;border:2px solid hsl(214,31%,91%);border-radius:16px;padding:2rem;transition:all .3s cubic-bezier(.4,0,.2,1);color:var(--text-primary);box-shadow:0 2px 8px #5048e50f}.feature-card:hover{border-color:var(--aurora-blue);transform:translateY(-8px);box-shadow:0 12px 32px #5048e533}.feature-icon{font-size:2.5rem;margin-bottom:1rem;display:inline-block}.feature-card h3{font-size:1.25rem;margin-bottom:.75rem;color:var(--text-primary)}.feature-card p{color:var(--text-secondary);line-height:1.6}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;background:#fff}.spinner{width:3rem;height:3rem;border:3px solid var(--surface);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:1rem}@keyframes spin{to{transform:rotate(360deg)}}.loading-container p{color:var(--text-secondary);font-size:1rem}@media(max-width:768px){.hero{padding:1rem}.hero h1{font-size:2rem}.hero p{font-size:1rem}.cta-buttons{flex-direction:column;gap:.5rem}.cta-button{width:100%;padding:.875rem 1.5rem}.features-grid{grid-template-columns:1fr;gap:1rem}}.card{padding:2em}.read-the-docs{color:var(--text-secondary)}