:root{--nt-primary:#0d6efd;--nt-primary-hover:#0b5ed7;--nt-primary-light:#eff6ff;--nt-primary-border:#bfdbfe;--nt-accent:#06b6d4;--nt-danger:#dc3545;--nt-danger-light:#fef2f2;--nt-danger-border:#fecaca;--nt-success:#198754;--nt-success-light:#f0fdf4;--nt-success-border:#bbf7d0;--nt-warning:#f59e0b;--nt-warning-light:#fffbeb;--nt-navy-950:#040912;--nt-navy-900:#071526;--nt-navy-800:#0d2847;--nt-navy-700:#1e3a8a;--nt-slate-900:#0f172a;--nt-slate-800:#1e293b;--nt-slate-700:#334155;--nt-slate-600:#475569;--nt-slate-500:#64748b;--nt-slate-200:#e2e8f0;--nt-slate-100:#f1f5f9;--nt-slate-50:#f8fafc;--nt-radius-lg:20px;--nt-radius-md:14px;--nt-shadow-sm:0 2px 8px rgba(15,23,42,0.04);--nt-shadow-md:0 8px 24px -4px rgba(15,23,42,0.08);--nt-shadow-lg:0 16px 36px -6px rgba(15,23,42,0.12)}.nt-hero-wrapper{background:radial-gradient(120% 120% at 50% 10%,var(--nt-navy-800) 0%,var(--nt-navy-900) 60%,var(--nt-navy-950) 100%);border-radius:var(--nt-radius-lg);padding:3.5rem 2.5rem;position:relative;overflow:hidden;color:#ffffff;box-shadow:var(--nt-shadow-lg);border:1px solid rgba(255,255,255,0.08)}.nt-hero-wrapper::before{content:'';position:absolute;top:-20%;right:-10%;width:550px;height:550px;background:radial-gradient(circle,rgba(13,110,253,0.25) 0%,rgba(13,110,253,0) 70%);pointer-events:none;z-index:1}.nt-hero-wrapper::after{content:'';position:absolute;bottom:-15%;left:-10%;width:450px;height:450px;background:radial-gradient(circle,rgba(6,182,212,0.18) 0%,rgba(6,182,212,0) 70%);pointer-events:none;z-index:1}.nt-hero-content{position:relative;z-index:2}.nt-badge-pill{display:inline-flex;align-items:center;gap:0.5rem;padding:0.45rem 1.15rem;font-size:0.825rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;border-radius:9999px;background:rgba(13,110,253,0.2);border:1px solid rgba(13,110,253,0.45);color:#93c5fd;backdrop-filter:blur(8px)}.nt-hero-title{font-size:clamp(2rem,3.8vw,3rem);font-weight:800;line-height:1.22;letter-spacing:-0.02em;margin-top:1.25rem;margin-bottom:1.25rem;color:#ffffff}.nt-hero-lead{font-size:1.15rem;line-height:1.7;color:#cbd5e1;max-width:920px;margin-bottom:1.75rem}.nt-meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:1.5rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,0.12);font-size:0.9rem;color:#94a3b8}.nt-meta-item{display:inline-flex;align-items:center;gap:0.4rem}.nt-meta-link{color:#93c5fd;text-decoration:none;font-weight:600}.nt-meta-link:hover{color:#ffffff;text-decoration:underline}.nt-toc-wrapper{background:#ffffff;border:1px solid var(--nt-primary-border);border-radius:var(--nt-radius-md);box-shadow:var(--nt-shadow-sm);overflow:hidden;margin-bottom:3.5rem}.nt-toc-header{background:linear-gradient(135deg,var(--nt-navy-900) 0%,var(--nt-navy-800) 100%);color:#ffffff;padding:1rem 1.5rem;cursor:pointer;user-select:none}.nt-toc-item-link{display:flex;align-items:baseline;gap:0.6rem;padding:0.6rem 0.5rem;color:var(--nt-slate-800);text-decoration:none;font-weight:600;font-size:0.93rem;border-radius:8px;transition:all 0.2s ease}.nt-toc-item-link:hover{color:var(--nt-primary);background:var(--nt-slate-50);padding-left:0.85rem}.nt-toc-num{display:inline-block;min-width:1.5rem;color:var(--nt-primary);font-weight:800}.nt-pillar-header{margin-top:4rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid var(--nt-slate-200)}.nt-pillar-tag{display:inline-flex;align-items:center;gap:0.4rem;font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--nt-primary);margin-bottom:0.5rem}.nt-pillar-title{font-size:1.75rem;font-weight:800;color:var(--nt-slate-900);line-height:1.3}.nt-pillar-desc{color:var(--nt-slate-600);font-size:1.05rem;margin-top:0.5rem}.nt-principle-card{background:#ffffff;border:1px solid var(--nt-slate-200);border-radius:var(--nt-radius-lg);box-shadow:var(--nt-shadow-sm);padding:2.25rem;margin-bottom:2.5rem;position:relative;transition:transform 0.25s ease,box-shadow 0.25s ease,border-color 0.25s ease}.nt-principle-card:hover{box-shadow:var(--nt-shadow-md);border-color:var(--nt-primary-border)}.nt-card-top-bar{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:1rem;margin-bottom:1.25rem}.nt-card-index{display:inline-flex;align-items:center;gap:0.6rem}.nt-card-index-badge{background:var(--nt-navy-900);color:#ffffff;font-size:0.85rem;font-weight:800;padding:0.35rem 0.85rem;border-radius:8px;letter-spacing:0.05em}.nt-card-category-badge{background:var(--nt-slate-100);color:var(--nt-slate-700);font-size:0.8rem;font-weight:600;padding:0.35rem 0.75rem;border-radius:8px}.nt-card-metric-badge{background:var(--nt-primary-light);border:1px solid var(--nt-primary-border);color:var(--nt-primary-hover);font-size:0.825rem;font-weight:700;padding:0.35rem 0.85rem;border-radius:8px;display:inline-flex;align-items:center;gap:0.4rem}.nt-card-title{font-size:1.45rem;font-weight:800;color:var(--nt-navy-950);line-height:1.35;margin-bottom:0.35rem}.nt-card-subtitle{font-size:0.975rem;color:var(--nt-slate-500);font-weight:600;margin-bottom:1.25rem}.nt-card-body-text{font-size:1.02rem;line-height:1.7;color:var(--nt-slate-700);margin-bottom:1.5rem}.nt-bento-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem;margin:1.5rem 0}.nt-bento-item{background:var(--nt-slate-50);border:1px solid var(--nt-slate-200);border-radius:var(--nt-radius-md);padding:1.25rem 1.4rem}.nt-bento-title{font-size:0.95rem;font-weight:700;color:var(--nt-slate-800);margin-bottom:0.5rem;display:flex;align-items:center;gap:0.5rem}.nt-bento-text{font-size:0.92rem;color:var(--nt-slate-600);line-height:1.6;margin-bottom:0}.nt-rule-alert{border-radius:var(--nt-radius-md);padding:1.25rem 1.5rem;margin:1.25rem 0;font-size:0.95rem;line-height:1.6}.nt-rule-alert-danger{background:var(--nt-danger-light);border:1px solid var(--nt-danger-border);color:#991b1b}.nt-rule-alert-success{background:var(--nt-success-light);border:1px solid var(--nt-success-border);color:#166534}.nt-rule-alert-warning{background:var(--nt-warning-light);border:1px solid #fde68a;color:#92400e}.nt-rule-alert-primary{background:var(--nt-primary-light);border:1px solid var(--nt-primary-border);color:#1e40af}.nt-rule-alert-title{font-weight:700;margin-bottom:0.4rem;display:flex;align-items:center;gap:0.5rem}.nt-card-footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;padding-top:1.25rem;margin-top:1.5rem;border-top:1px solid var(--nt-slate-200)}.nt-card-deep-link{display:inline-flex;align-items:center;gap:0.4rem;font-weight:700;font-size:0.92rem;color:var(--nt-primary);text-decoration:none;transition:gap 0.2s ease}.nt-card-deep-link:hover{color:var(--nt-primary-hover);gap:0.65rem}.nt-algorithm-tag{display:inline-flex;align-items:center;gap:0.35rem;font-size:0.8rem;color:var(--nt-slate-500);font-family:SFMono-Regular,Menlo,Monaco,Consolas,monospace}.nt-matrix-wrapper{background:#ffffff;border-radius:var(--nt-radius-lg);border:1px solid var(--nt-slate-200);box-shadow:var(--nt-shadow-sm);padding:2.5rem;margin:4rem 0}.nt-matrix-title{font-size:1.6rem;font-weight:800;color:var(--nt-navy-950);margin-bottom:0.75rem}.nt-matrix-table{margin-top:1.5rem}.nt-matrix-table th{background:var(--nt-navy-900);color:#ffffff;font-weight:700;font-size:0.92rem;padding:1rem;border:none}.nt-matrix-table td{padding:1rem;font-size:0.93rem;vertical-align:middle}.nt-faq-wrapper{margin:4rem 0}.nt-faq-accordion .accordion-item{border:1px solid var(--nt-slate-200);border-radius:var(--nt-radius-md) !important;margin-bottom:1rem;overflow:hidden;box-shadow:var(--nt-shadow-sm)}.nt-faq-accordion .accordion-button{font-weight:700;font-size:1.05rem;color:var(--nt-navy-950);background:#ffffff;padding:1.25rem 1.5rem}.nt-faq-accordion .accordion-button:not(.collapsed){color:var(--nt-primary);background:var(--nt-primary-light);box-shadow:none}.nt-faq-accordion .accordion-body{font-size:0.98rem;line-height:1.7;color:var(--nt-slate-700);padding:1.5rem;background:#ffffff}.nt-cta-box{background:linear-gradient(135deg,var(--nt-navy-900) 0%,var(--nt-navy-800) 50%,var(--nt-navy-700) 100%);border-radius:var(--nt-radius-lg);padding:3.5rem 2.5rem;color:#ffffff;text-align:center;box-shadow:var(--nt-shadow-lg);position:relative;overflow:hidden;margin:4.5rem 0 2rem}.nt-cta-box::before{content:'';position:absolute;top:-30%;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(13,110,253,0.28) 0%,rgba(13,110,253,0) 70%);pointer-events:none}.nt-cta-title{font-size:clamp(1.75rem,3vw,2.4rem);font-weight:800;margin-bottom:1rem;position:relative;z-index:2}.nt-cta-desc{font-size:1.1rem;color:#cbd5e1;max-width:760px;margin:0 auto 2rem;line-height:1.65;position:relative;z-index:2}.nt-cta-btn-group{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;position:relative;z-index:2}@media (max-width:768px){.nt-hero-wrapper{padding:2.25rem 1.5rem}.nt-principle-card{padding:1.5rem}.nt-bento-grid{grid-template-columns:1fr}.nt-card-title{font-size:1.25rem}.nt-matrix-wrapper{padding:1.5rem}.nt-cta-box{padding:2.5rem 1.5rem}}