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0;background:var(--bg-secondary)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{background:var(--bg-card);padding:2rem;border-radius:16px;text-align:center;box-shadow:var(--shadow-sm);transition:all .3s ease;border:1px solid var(--border-secondary)}.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.feature-icon{width:80px;height:80px;margin:0 auto 1.5rem;background:var(--overlay-light);border-radius:20px;display:flex;align-items:center;justify-content:center}.feature-card h3{font-size:1.25rem;font-weight:600;color:var(--color-primary);margin-bottom:1rem}.feature-card p{color:var(--text-secondary);line-height:1.6}.auth-section{padding:6rem 0;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%)}.auth-card{max-width:500px;margin:0 auto;background:var(--bg-card);border-radius:20px;box-shadow:var(--shadow-lg);overflow:hidden}.auth-tabs{display:flex;background:var(--bg-secondary)}.auth-tab{flex:1;padding:1rem;border:none;background:transparent;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:all .3s ease}.auth-tab.active{background:var(--bg-card);color:var(--color-primary);box-shadow:var(--shadow-sm)}.auth-form{padding:2rem}.auth-form h2{font-size:1.5rem;font-weight:700;color:var(--color-primary);margin-bottom:.5rem}.auth-subtitle{color:var(--text-secondary);margin-bottom:2rem}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-primary)}.form-group input{width:100%;padding:.75rem;border:2px solid var(--border-primary);border-radius:8px;font-size:1rem;transition:border-color .3s ease;background:var(--bg-input);color:var(--text-primary)}.form-group input:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px 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img{width:48px;height:48px;border-radius:50%;-o-object-fit:cover;object-fit:cover}.author-name{font-weight:600;color:var(--color-primary)}.author-title{color:var(--text-secondary);font-size:.875rem}.slider-controls{display:flex;align-items:center;justify-content:center;gap:1rem;margin-top:2rem}.slider-btn{background:var(--color-primary);color:var(--text-inverse);border:none;width:44px;height:44px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.slider-btn:hover{background:var(--color-primary-hover);transform:scale(1.1)}.slider-dots{display:flex;gap:.5rem}.slider-dot{width:12px;height:12px;border-radius:50%;background:var(--border-primary);cursor:pointer;transition:background-color .3s ease}.slider-dot.active{background:var(--color-primary)}.pricing{padding:6rem 0;background:var(--bg-secondary)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.pricing-card{background:var(--bg-card);border-radius:16px;padding:2rem;text-align:center;box-shadow:var(--shadow-sm);transition:all .3s ease;position:relative;border:2px solid transparent}.pricing-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}.pricing-card.featured{border-color:var(--color-secondary);transform:scale(1.05)}.pricing-card.featured:hover{transform:scale(1.05) translateY(-8px)}.pricing-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background:var(--color-secondary);color:var(--text-inverse);padding:.5rem 1rem;border-radius:20px;font-size:.875rem;font-weight:600}.pricing-header h3{font-size:1.5rem;font-weight:700;color:var(--color-primary);margin-bottom:1rem}.pricing-price{display:flex;align-items:baseline;justify-content:center;margin-bottom:.5rem}.pricing-price .currency{font-size:1.5rem;color:var(--text-secondary)}.pricing-price .amount{font-size:3rem;font-weight:800;color:var(--color-primary)}.pricing-price .period{font-size:1rem;color:var(--text-secondary)}.pricing-header p{color:var(--text-secondary);margin-bottom:2rem}.pricing-features{list-style:none;margin-bottom:2rem;text-align:left}.pricing-features li{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem;color:var(--text-primary)}.profile-container{padding-top:70px;min-height:100vh;background:var(--bg-secondary)}.profile-header{padding:3rem 0;text-align:center}.profile-header h1{font-size:2.5rem;font-weight:700;color:var(--color-primary);margin-bottom:1rem}.profile-header p{font-size:1.125rem;color:var(--text-secondary)}.notes-interface{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin-bottom:4rem}.note-editor{background:var(--bg-card);border-radius:16px;padding:2rem;box-shadow:var(--shadow-sm)}.editor-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.editor-header h2{font-size:1.25rem;font-weight:600;color:var(--color-primary)}.editor-tools{display:flex;gap:.5rem}.tool-btn{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:6px;padding:.5rem;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;color:var(--text-primary)}.tool-btn:hover{background:var(--color-primary);color:var(--text-inverse)}.tool-btn svg{stroke:currentColor}#note-textarea{width:100%;min-height:200px;padding:1rem;border:2px solid var(--border-primary);border-radius:8px;font-family:inherit;font-size:1rem;line-height:1.6;resize:vertical;margin-bottom:1.5rem;transition:border-color .3s ease;background:var(--bg-input);color:var(--text-primary)}#note-textarea:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 3px #3b82f61a}.notes-list{background:var(--bg-card);border-radius:16px;padding:2rem;box-shadow:var(--shadow-sm)}.notes-list h2{font-size:1.25rem;font-weight:600;color:var(--color-primary);margin-bottom:1.5rem}.notes-grid{display:flex;flex-direction:column;gap:1rem}.note-item{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:8px;padding:1rem;transition:all .3s ease;cursor:pointer}.note-item:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm)}.note-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.note-date{font-size:.875rem;color:var(--text-secondary)}.note-actions{display:flex;gap:.5rem}.note-action{background:none;border:none;cursor:pointer;padding:.25rem;border-radius:4px;transition:background-color .3s ease;color:var(--text-secondary)}.note-action:hover{background:var(--overlay-dark)}.note-preview{color:var(--text-primary);line-height:1.5;max-height:60px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}.note-content{display:none;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border-primary);white-space:pre-wrap;line-height:1.6;color:var(--text-primary)}.note-item.expanded .note-content{display:block}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-secondary)}.empty-state h3{font-size:1.25rem;margin:1rem 0 .5rem;color:var(--color-primary)}.toast{position:fixed;bottom:2rem;right:2rem;background:var(--color-success);color:var(--text-inverse);padding:1rem 1.5rem;border-radius:8px;box-shadow:var(--shadow-md);transform:translate(100%);transition:transform .3s ease;z-index:1000}.toast.show{transform:translate(0)}.toast.error{background:var(--color-error)}.footer{background:var(--bg-primary);color:var(--text-primary);border-top:1px solid var(--border-primary);padding:4rem 0 2rem}.footer-content{display:grid;grid-template-columns:1fr 2fr;gap:3rem;margin-bottom:2rem}.footer-brand .logo{color:var(--color-primary);margin-bottom:1rem}.footer-brand p{color:var(--text-muted);line-height:1.6}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}.footer-section h4{font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.footer-section ul{list-style:none}.footer-section ul li{margin-bottom:.5rem}.footer-section ul li a{color:var(--text-muted);text-decoration:none;transition:color .3s ease}.footer-section ul li a:hover{color:var(--color-secondary)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:2rem;border-top:1px solid var(--border-primary);color:var(--text-muted)}.footer-legal{display:flex;gap:2rem}.footer-legal a{color:var(--text-muted);text-decoration:none;transition:color .3s ease}.footer-legal a:hover{color:var(--color-secondary)}@media (max-width: 768px){.container{padding:0 1rem}.hero-content{grid-template-columns:1fr;text-align:center;gap:2rem}.hero-text h1{font-size:2rem}.hero-subtitle{font-size:1rem}#notebook-lottie{width:300px;height:225px}.features-grid{grid-template-columns:1fr}.section-header h2{font-size:2rem}.pricing-grid{grid-template-columns:1fr}.pricing-card.featured{transform:none}.pricing-card.featured:hover{transform:translateY(-8px)}.notes-interface{grid-template-columns:1fr;gap:2rem}.footer-content,.footer-links{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:1rem;text-align:center}.testimonials-track{gap:0}.slider-controls{margin-top:1rem}}@media (max-width: 480px){.nav-content{height:60px}.logo{font-size:1rem}.logo svg{width:24px;height:24px}.hero,.profile-container{padding-top:60px}.auth-form{padding:1.5rem}.toast{bottom:1rem;right:1rem;left:1rem}.btn-large{padding:.875rem 1.5rem;font-size:1rem}}