@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";:root{--primary: #df8400;--primary-hover: #c87600;--primary-light: rgba(223, 132, 0, .08);--secondary: #27457a;--secondary-hover: #1e365d;--secondary-light: #a2c6eb;--secondary-lighter: rgba(39, 69, 122, .06);--neutral-dark: #1c2a4a;--neutral-light: #f5f7fa;--text-main: #111827;--text-muted: #64748b;--text-light: #ffffff;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .08);--shadow-xl: 0 20px 48px rgba(0, 0, 0, .1);--radius: .75rem;--radius-lg: 1rem;--radius-xl: 1.25rem;--font-family: "Inter", system-ui, -apple-system, sans-serif}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family);color:var(--text-main);background-color:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;color:var(--text-main);line-height:1.2}a{text-decoration:none;color:inherit;transition:color .2s ease}button{font-family:inherit;cursor:pointer;border:none;outline:none}img{max-width:100%;display:block}.container{max-width:1140px;margin:0 auto;padding:0 1.5rem}.text-center{text-align:center}.text-primary{color:var(--primary)}.text-muted{color:var(--text-muted)}.section-label{color:var(--primary);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:1.5px;display:inline-block;margin-bottom:.75rem}.section-title{font-size:2rem;font-weight:800;letter-spacing:-.5px}.section-desc{color:var(--text-muted);max-width:560px;margin:.75rem auto 0;font-size:1rem;line-height:1.7}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1.125rem;border-radius:var(--radius);font-weight:600;font-size:.8125rem;transition:all .25s cubic-bezier(.4,0,.2,1);gap:.375rem;letter-spacing:.01em;white-space:nowrap}.btn-sm{padding:.375rem .875rem;font-size:.75rem;border-radius:.5rem}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,#e89b20 100%);color:var(--text-light);box-shadow:0 2px 8px #df840040}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-hover) 0%,var(--primary) 100%);transform:translateY(-1px);box-shadow:0 4px 16px #df84004d}.btn-secondary{background:linear-gradient(135deg,var(--secondary) 0%,#2f5494 100%);color:var(--text-light);box-shadow:0 2px 8px #27457a33}.btn-secondary:hover{background:linear-gradient(135deg,var(--secondary-hover) 0%,var(--secondary) 100%);transform:translateY(-1px);box-shadow:0 4px 16px #27457a4d}.btn-outline{background-color:transparent;border:1.5px solid var(--border-color);color:var(--text-main)}.btn-outline:hover{background-color:var(--neutral-light);border-color:var(--text-muted);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover{color:var(--text-main);background:var(--neutral-light)}.card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border-color);overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}.hover-lift{transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s cubic-bezier(.4,0,.2,1)}.hover-lift:hover{transform:translateY(-6px);box-shadow:var(--shadow-xl)}.hover-scale{transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s cubic-bezier(.4,0,.2,1)}.hover-scale:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.glass-header{background:#1c2a4af7;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);color:var(--text-light)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .6s ease forwards}.gradient-text{background:linear-gradient(135deg,var(--primary) 0%,#e89b20 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.badge{display:inline-block;padding:.25rem .625rem;border-radius:2rem;font-size:.6875rem;font-weight:600;letter-spacing:.02em}.badge-primary{background:var(--primary-light);color:var(--primary);border:1px solid rgba(223,132,0,.15)}.badge-secondary{background:var(--secondary-lighter);color:var(--secondary)}.icon-box{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--radius);flex-shrink:0}.icon-box-lg{width:56px;height:56px;border-radius:var(--radius-lg)}@media(min-width:641px)and (max-width:1024px)and (orientation:portrait){.tablet-horizontal-grid{grid-template-columns:1fr!important;max-width:100%!important}.tablet-horizontal-grid>.tablet-h-card{display:flex!important;flex-direction:row!important;overflow:hidden}.tablet-horizontal-grid>.tablet-h-card .tablet-h-card-img{width:200px!important;min-width:200px!important;height:auto!important;min-height:160px}.tablet-horizontal-grid>.tablet-h-card .tablet-h-card-img img{width:100%!important;height:100%!important;object-fit:cover!important}.tablet-horizontal-grid>.tablet-h-card .tablet-h-card-body{flex:1;display:flex;flex-direction:column;justify-content:center}}@media(min-width:641px)and (max-width:900px)and (orientation:landscape){.tablet-horizontal-grid{grid-template-columns:1fr!important;max-width:100%!important}.tablet-horizontal-grid>.tablet-h-card{display:flex!important;flex-direction:row!important;overflow:hidden}.tablet-horizontal-grid>.tablet-h-card .tablet-h-card-img{width:200px!important;min-width:200px!important;height:auto!important;min-height:160px}.tablet-horizontal-grid>.tablet-h-card .tablet-h-card-img img{width:100%!important;height:100%!important;object-fit:cover!important}.tablet-horizontal-grid>.tablet-h-card .tablet-h-card-body{flex:1;display:flex;flex-direction:column;justify-content:center}}.pdf-filter-bar{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.pdf-filter-pill{padding:.4rem .95rem;border-radius:2rem;border:1.5px solid var(--border-color);background:#fff;font-size:.8125rem;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all .2s ease;text-transform:capitalize}.pdf-filter-pill:hover{border-color:var(--primary);color:var(--primary)}.pdf-filter-pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}.pdf-library-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem}@media(max-width:640px){.pdf-library-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem}}.pdf-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:box-shadow .25s ease,transform .25s ease;display:flex;flex-direction:column}.pdf-card:hover{box-shadow:0 10px 30px #0000001a;transform:translateY(-3px)}.pdf-card-cover{position:relative;aspect-ratio:3 / 4;background:linear-gradient(135deg,#f1f5f9,#e2e8f0);overflow:hidden}.pdf-card-cover img{width:100%;height:100%;object-fit:cover;display:block}.pdf-card-cover-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:#94a3b8}.pdf-card-badge{position:absolute;top:.625rem;left:.625rem;padding:.25rem .625rem;border-radius:2rem;background:#000000b3;color:#fff;font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.pdf-card-body{padding:1rem 1rem 1.25rem;flex:1;display:flex;flex-direction:column}.pdf-card-title{font-size:.95rem;font-weight:700;line-height:1.4;margin:0 0 .5rem;color:var(--text-main);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.pdf-card-meta{display:flex;flex-wrap:wrap;gap:.5rem .875rem;font-size:.75rem;color:var(--text-muted);margin-bottom:.5rem}.pdf-card-meta span{display:inline-flex;align-items:center;gap:.25rem}.pdf-card-desc{font-size:.8125rem;color:var(--text-muted);line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.pdf-reader-header{display:flex;align-items:flex-start;gap:1rem;flex-wrap:wrap;margin-bottom:.75rem}.pdf-reader-title{font-size:1.625rem;font-weight:800;margin:0 0 .5rem;line-height:1.3}.pdf-reader-meta{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;font-size:.875rem;color:var(--text-muted)}.pdf-reader-meta span{display:inline-flex;align-items:center;gap:.375rem}.pdf-reader-desc{color:var(--text-muted);font-size:.9375rem;line-height:1.6;margin:0 0 1.5rem;max-width:720px}.flipbook-wrapper{background:linear-gradient(135deg,#1e293b,#0f172a);border-radius:var(--radius-lg);padding:1.5rem 1rem 2rem;box-shadow:0 20px 60px #0003}.flipbook-wrapper.fullscreen{border-radius:0;padding:1rem;width:100vw;height:100vh;display:flex;flex-direction:column}.flipbook-controls{display:flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:1.25rem;flex-wrap:wrap}.flipbook-btn{width:38px;height:38px;border-radius:50%;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.flipbook-btn:hover:not(:disabled){background:#fff3;transform:scale(1.05)}.flipbook-btn:disabled{opacity:.35;cursor:not-allowed}.flipbook-pageinfo{color:#fff;font-size:.875rem;font-weight:600;padding:0 .625rem;min-width:110px;text-align:center}.flipbook-stage{display:flex;justify-content:center;align-items:center;flex:1;min-height:540px;width:100%}.flipbook-wrapper.fullscreen .flipbook-stage{min-height:0;width:100%;height:100%}.pdf-flipbook{margin:0 auto;max-width:100%}.flipbook-wrapper.fullscreen .pdf-flipbook{width:100%!important;height:100%!important;max-width:none!important}.flipbook-page{background:#fff;overflow:hidden}.flipbook-page img{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none;-webkit-user-select:none;user-select:none}.flipbook-state{background:linear-gradient(135deg,#1e293b,#0f172a);color:#fff;border-radius:var(--radius-lg);padding:4rem 1.5rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:1rem;min-height:360px;justify-content:center}.flipbook-state.flipbook-error{background:linear-gradient(135deg,#7f1d1d,#450a0a)}.flipbook-spinner{animation:pdf-spin 1s linear infinite;color:var(--primary)}@keyframes pdf-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.flipbook-progress{width:100%;max-width:320px;height:6px;background:#ffffff26;border-radius:3px;overflow:hidden}.flipbook-progress-bar{height:100%;background:var(--primary);border-radius:3px;transition:width .3s ease}@media(max-width:640px){.flipbook-wrapper{padding:1rem .5rem 1.25rem}.pdf-flipbook{width:100%!important}.flipbook-stage{min-height:420px}.pdf-reader-title{font-size:1.25rem}}