:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--accent: #10b981;--text-main: #0f172a;--text-muted: #64748b;--bg-page: #f8fafc;--bg-card: #ffffff;--border: #e2e8f0;--border-focus: #93c5fd;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Plus Jakarta Sans,system-ui,-apple-system,sans-serif;background-color:var(--bg-page);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}code,pre{font-family:JetBrains Mono,monospace}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.navbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:40}.navbar-inner{display:flex;justify-content:space-between;align-items:center;height:4.5rem}.brand{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--text-main);font-weight:800;font-size:1.25rem}.brand-icon{width:2.25rem;height:2.25rem;background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;border-radius:.5rem;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #2563eb4d}.badge-tag{display:inline-flex;align-items:center;gap:.35rem;padding:.25rem .65rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-blue{background-color:#dbeafe;color:#1e40af}.badge-green{background-color:#dcfce7;color:#166534}.hero{padding:3.5rem 0 2.5rem;text-align:center}.hero h1{font-size:2.5rem;font-weight:800;letter-spacing:-.025em;margin-bottom:.75rem;color:#0f172a}.hero p{font-size:1.125rem;color:var(--text-muted);max-width:680px;margin:0 auto 1.5rem}.pill-feature{display:inline-flex;align-items:center;gap:.5rem;background:#fff;border:1px solid var(--border);padding:.4rem 1rem;border-radius:9999px;font-size:.875rem;font-weight:500;box-shadow:var(--shadow-sm);margin-bottom:1.5rem}.doc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:1.75rem;margin-bottom:4rem}.doc-card{background:#fff;border:1px solid var(--border);border-radius:1rem;padding:1.5rem;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;position:relative}.doc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--border-focus)}.doc-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.75rem}.doc-category{font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--primary);letter-spacing:.05em}.doc-title{font-size:1.25rem;font-weight:700;line-height:1.35;margin-bottom:.5rem;color:var(--text-main)}.doc-author{font-size:.875rem;color:var(--text-muted);margin-bottom:1rem;display:flex;align-items:center;gap:.35rem}.doc-desc{font-size:.925rem;color:#475569;line-height:1.5;margin-bottom:1.5rem;flex-grow:1}.doc-meta{display:flex;align-items:center;justify-content:space-between;padding-top:1rem;border-top:1px solid var(--border);margin-bottom:1.25rem}.doc-pages{font-size:.85rem;color:var(--text-muted);display:flex;align-items:center;gap:.35rem}.doc-price{font-size:1.35rem;font-weight:800;color:#0f172a}.doc-price span{font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;width:100%;padding:.75rem 1.25rem;border-radius:.65rem;font-size:.95rem;font-weight:600;cursor:pointer;border:none;transition:all .15s ease;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-main)}.btn-outline:hover{background:#f1f5f9}.btn-success{background:#10b981;color:#fff}.btn-success:hover{background:#059669}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172aa6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:50;display:flex;align-items:center;justify-content:center;padding:1.5rem}.modal-content{background:#fff;width:100%;max-width:820px;max-height:90vh;border-radius:1rem;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-xl)}.modal-header{padding:1.25rem 1.75rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;background:#fff}.modal-body{padding:2rem 2.25rem;overflow-y:auto;position:relative}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-muted);cursor:pointer;line-height:1;padding:.25rem}.preview-content{font-size:1rem;line-height:1.7;color:#334155;white-space:pre-wrap}.paywall-wrapper{margin-top:2rem;position:relative}.paywall-blur{filter:blur(4px);opacity:.45;-webkit-user-select:none;user-select:none;pointer-events:none}.paywall-card{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:1rem;padding:2rem;text-align:center;box-shadow:var(--shadow-xl);width:90%;max-width:440px}.paywall-card h3{font-size:1.25rem;font-weight:700;margin-bottom:.5rem}.paywall-card p{font-size:.875rem;color:var(--text-muted);margin-bottom:1.25rem}.status-toast{position:fixed;bottom:2rem;right:2rem;background:#fff;border:1px solid var(--border);border-radius:.75rem;padding:1rem 1.25rem;box-shadow:var(--shadow-xl);display:flex;align-items:center;gap:.75rem;z-index:60;max-width:400px}.spinner{width:1.25rem;height:1.25rem;border:2px solid #e2e8f0;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}