:root{--lean-primary:#0284c7;--lean-primary-dark:#0369a1;--lean-secondary:#0f172a;--lean-accent:#10b981;--lean-warning:#f59e0b;--lean-danger:#ef4444;--lean-light:#f8fafc;--lean-border:#e2e8f0;--lean-card-bg:#ffffff;--lean-gradient-hero:linear-gradient(135deg,rgba(15,23,42,0.97) 0%,rgba(2,132,199,0.92) 50%,rgba(3,105,161,0.95) 100%);--lean-highlight-col:rgba(2,132,199,0.06);--lean-shadow:0 10px 25px -5px rgba(0,0,0,0.08),0 8px 10px -6px rgba(0,0,0,0.04)}.seo-tinh-gon-container{max-width:1180px;margin:0 auto;font-family:'Open Sans','Segoe UI',Roboto,sans-serif;color:#1e293b}.seo-tinh-gon-hero{background:var(--lean-gradient-hero),no-repeat center center;background-size:cover;padding:7.5rem 0 5.5rem 0;color:#ffffff;position:relative;overflow:hidden}@media (max-width:991.98px){.seo-tinh-gon-hero{padding:5.5rem 0 4rem 0}}@media (max-width:767.98px){.seo-tinh-gon-hero{padding:4rem 0 3rem 0}}.seo-tinh-gon-badge{background-color:rgba(255,255,255,0.16);color:#ffffff;font-size:0.85rem;font-weight:700;padding:0.45rem 1.25rem;border-radius:50px;display:inline-flex;align-items:center;gap:0.5rem;margin-bottom:1.25rem;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.25)}.seo-tinh-gon-hero h1{font-size:2.25rem;font-weight:800;line-height:1.3;margin-bottom:1.25rem;color:#ffffff;text-shadow:0 2px 4px rgba(0,0,0,0.3)}@media (min-width:768px){.seo-tinh-gon-hero h1{font-size:2.75rem}}.seo-tinh-gon-hero p.lead{font-size:1.1rem;line-height:1.7;margin-bottom:1.5rem;color:rgba(255,255,255,0.94)}.loss-aversion-box{background:rgba(15,23,42,0.85);border:1px solid rgba(239,68,68,0.45);border-left:4px solid var(--lean-danger);border-radius:0.875rem;padding:1.25rem 1.5rem;margin-top:1.5rem;backdrop-filter:blur(8px)}.loss-title{color:#fca5a5;font-size:0.95rem;letter-spacing:0.5px}.lean-btn-primary{display:inline-flex;align-items:center;justify-content:center;background:#f59e0b;color:#0f172a;font-weight:700;font-size:1rem;padding:0.85rem 1.75rem;border-radius:50px;text-decoration:none;box-shadow:0 4px 15px rgba(245,158,11,0.4);transition:all 0.3s ease}.lean-btn-primary:hover{background:#d97706;color:#ffffff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(245,158,11,0.5)}.lean-btn-outline{display:inline-flex;align-items:center;justify-content:center;background:transparent;color:#ffffff;font-weight:700;font-size:1rem;padding:0.85rem 1.75rem;border-radius:50px;border:2px solid rgba(255,255,255,0.4);text-decoration:none;transition:all 0.3s ease}.lean-btn-outline:hover{background:rgba(255,255,255,0.15);color:#ffffff;border-color:#ffffff;transform:translateY(-2px)}.friction-card{background:#ffffff;border:1px solid var(--lean-border);border-radius:1rem;padding:2rem 1.75rem;height:100%;transition:transform 0.3s ease,box-shadow 0.3s ease;box-shadow:0 4px 12px rgba(0,0,0,0.04)}.friction-card:hover{transform:translateY(-5px);box-shadow:0 12px 25px rgba(239,68,68,0.12);border-color:#fca5a5}.friction-icon-box{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.75rem;margin-bottom:1.25rem}.comparison-table-wrapper{background:#ffffff;border-radius:1rem;border:1px solid var(--lean-border);box-shadow:var(--lean-shadow);overflow:hidden}.table-responsive{margin-bottom:0}.comparison-table{margin-bottom:0;vertical-align:middle}.comparison-table th{padding:1.25rem 1rem;font-size:0.95rem;font-weight:700;text-align:center;border-bottom:2px solid var(--lean-border)}.comparison-table td{padding:1rem 0.85rem;font-size:0.92rem;border-bottom:1px solid var(--lean-border)}.comparison-table th.highlight-solann,.comparison-table td.highlight-solann{background-color:var(--lean-highlight-col);border-left:2px solid var(--lean-primary);border-right:2px solid var(--lean-primary)}.comparison-table th.highlight-solann{background:linear-gradient(180deg,rgba(2,132,199,0.15) 0%,rgba(2,132,199,0.08) 100%);border-top:3px solid var(--lean-primary)}.truth-card{background:#f8fafc;border-left:4px solid var(--lean-primary);border-radius:0.5rem;padding:1.25rem 1.5rem;height:100%}.philosophy-badge{background:rgba(2,132,199,0.1);color:var(--lean-primary);font-weight:700;font-size:0.85rem;padding:0.4rem 1rem;border-radius:50px;display:inline-block}.pillar-feature-box{background:#ffffff;border:1px solid var(--lean-border);border-radius:1rem;padding:2rem;height:100%;box-shadow:0 4px 15px rgba(0,0,0,0.04)}.scope-card{background:#ffffff;border:1px solid var(--lean-border);border-radius:1rem;padding:2rem 1.5rem;height:100%;transition:all 0.3s ease;box-shadow:0 4px 12px rgba(0,0,0,0.03)}.scope-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px rgba(2,132,199,0.12);border-color:#7dd3fc}.scope-icon-wrap{width:54px;height:54px;border-radius:12px;background:rgba(2,132,199,0.1);color:var(--lean-primary);display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin-bottom:1.25rem}.pricing-card{background:#ffffff;border:1px solid var(--lean-border);border-radius:1.25rem;padding:2.25rem 1.5rem;height:100%;display:flex;flex-direction:column;justify-content:space-between;transition:all 0.3s ease;box-shadow:0 4px 15px rgba(0,0,0,0.05);position:relative}.pricing-card:hover{transform:translateY(-6px);box-shadow:0 20px 35px rgba(0,0,0,0.09)}.pricing-card.featured{border:2px solid var(--lean-primary);box-shadow:0 15px 35px rgba(2,132,199,0.18);transform:scale(1.03)}@media (max-width:991.98px){.pricing-card.featured{transform:none}}.pricing-breakdown-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:0.65rem 0.85rem;margin:1rem 0;font-size:0.82rem;border-left:3px solid var(--lean-primary)}.pricing-breakdown-item{display:flex;justify-content:space-between;align-items:center;padding:0.2rem 0;color:#334155;font-weight:600}.pricing-breakdown-item span.amount{color:#0f172a;font-weight:700}.pricing-badge-popular{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--lean-primary);color:#ffffff;font-size:0.75rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;padding:0.35rem 1.25rem;border-radius:50px;box-shadow:0 4px 10px rgba(2,132,199,0.3)}.pricing-price{font-size:2.2rem;font-weight:800;color:#0f172a;line-height:1}.pricing-price small{font-size:0.95rem;font-weight:600;color:#64748b}.pricing-features{list-style:none;padding:0;margin:1.5rem 0}.pricing-features li{padding:0.6rem 0;font-size:0.92rem;color:#334155;border-bottom:1px dashed var(--lean-border);display:flex;align-items:flex-start}.pricing-features li:last-child{border-bottom:none}.pricing-features li i{color:var(--lean-accent);margin-right:0.6rem;font-size:1.1rem;flex-shrink:0;margin-top:1px}.lean-timeline-wrapper{position:relative;margin-top:2rem}@media (min-width:992px){.lean-timeline-track{position:absolute;top:26px;left:10%;right:10%;height:4px;background:linear-gradient(90deg,#0284c7 0%,#f59e0b 35%,#10b981 70%,#6366f1 100%);border-radius:4px;z-index:1}}.timeline-step-col{position:relative;z-index:2;display:flex;flex-direction:column}.timeline-step-node{width:54px;height:54px;border-radius:50%;background:#ffffff;display:flex;align-items:center;justify-content:center;margin:0 auto 1.25rem auto;font-weight:900;font-size:1.15rem;box-shadow:0 4px 16px rgba(0,0,0,0.1);position:relative;border:4px solid #ffffff;transition:transform 0.25s ease,box-shadow 0.25s ease}.timeline-step-col:hover .timeline-step-node{transform:scale(1.1);box-shadow:0 8px 24px rgba(0,0,0,0.15)}.node-blue{background:#0284c7;color:#ffffff;border-color:#bae6fd}.node-amber{background:#f59e0b;color:#ffffff;border-color:#fde68a}.node-green{background:#10b981;color:#ffffff;border-color:#a7f3d0}.node-indigo{background:#6366f1;color:#ffffff;border-color:#c7d2fe}.timeline-card{background:#ffffff;border:1px solid var(--lean-border);border-radius:1.25rem;padding:1.5rem;box-shadow:0 6px 20px rgba(15,23,42,0.05);height:100%;display:flex;flex-direction:column;justify-content:space-between;transition:transform 0.2s ease,box-shadow 0.2s ease;border-top:4px solid transparent}.timeline-step-col:hover .timeline-card{transform:translateY(-4px);box-shadow:0 12px 28px rgba(15,23,42,0.09)}.card-blue{border-top-color:#0284c7}.card-amber{border-top-color:#f59e0b}.card-green{border-top-color:#10b981}.card-indigo{border-top-color:#6366f1}.timeline-quarter-badge{display:inline-block;font-size:0.75rem;font-weight:800;text-transform:uppercase;letter-spacing:0.5px;padding:4px 10px;border-radius:20px;margin-bottom:0.75rem}.badge-blue{background:#e0f2fe;color:#0369a1}.badge-amber{background:#fef3c7;color:#b45309}.badge-green{background:#dcfce7;color:#15803d}.badge-indigo{background:#e0e7ff;color:#4338ca}.timeline-title{font-size:1.05rem;font-weight:800;color:var(--lean-text);margin-bottom:0.85rem;line-height:1.4}.timeline-tasks{list-style:none;padding:0;margin:0 0 1.25rem 0}.timeline-tasks li{font-size:0.875rem;color:#475569;padding:0.35rem 0;display:flex;align-items:flex-start;line-height:1.45}.timeline-tasks li i{color:var(--lean-primary);font-weight:bold;margin-right:0.5rem;margin-top:2px;flex-shrink:0}.timeline-goal-box{background:#f8fafc;border-radius:0.75rem;padding:0.75rem 1rem;font-size:0.8rem;border:1px dashed var(--lean-border);color:#334155;font-weight:600}.timeline-goal-box strong{color:var(--lean-text)}.roadmap-card{background:#ffffff;border:1px solid var(--lean-border);border-radius:1rem;padding:1.75rem;box-shadow:0 4px 12px rgba(0,0,0,0.04);height:100%;position:relative;border-top:4px solid var(--lean-primary)}.roadmap-step-badge{background:var(--lean-primary);color:#ffffff;font-weight:800;font-size:0.85rem;padding:0.35rem 0.85rem;border-radius:6px;display:inline-block;margin-bottom:1rem}.delivery-card{background:#ffffff;border:1px solid var(--lean-border);border-radius:1rem;padding:2rem;height:100%;box-shadow:0 4px 15px rgba(0,0,0,0.04)}.delivery-icon{width:60px;height:60px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.75rem;margin-bottom:1.25rem}.faq-item{background:#ffffff;border:1px solid var(--lean-border);border-radius:0.875rem;margin-bottom:1rem;overflow:hidden;transition:all 0.25s ease}.faq-question{padding:1.25rem 1.5rem;font-weight:700;font-size:1.05rem;color:#1e293b;cursor:pointer;display:flex;justify-content:space-between;align-items:center;user-select:none;list-style:none}.faq-question::-webkit-details-marker{display:none}.faq-question i{transition:transform 0.25s ease;color:var(--lean-primary);font-size:1.1rem}.faq-item[open] .faq-question i{transform:rotate(180deg)}.faq-answer{padding:0 1.5rem 1.25rem 1.5rem;color:#475569;font-size:0.98rem;line-height:1.7}.mid-cta-banner{background:linear-gradient(135deg,#f0fdf4 0%,#e0f2fe 100%);border:1px solid #bae6fd;border-radius:1rem;padding:1.75rem 2rem;box-shadow:0 4px 15px rgba(2,132,199,0.08)}.self-funding-example{background:#f8fafc;border:1px solid #e2e8f0;border-radius:0.75rem;padding:1rem 1.25rem;margin-top:1.25rem;border-left:3px solid var(--lean-warning)}.self-funding-step{display:flex;align-items:flex-start;gap:0.75rem;margin-bottom:0.65rem;font-size:0.88rem;color:#334155;line-height:1.6}.self-funding-step:last-child{margin-bottom:0}.self-funding-badge{background:var(--lean-primary);color:#ffffff;font-weight:700;font-size:0.75rem;padding:0.2rem 0.55rem;border-radius:4px;flex-shrink:0;margin-top:2px}.qualification-card{background:#ffffff;border-radius:1rem;padding:2.25rem 2rem;height:100%;box-shadow:0 4px 15px rgba(0,0,0,0.04);border:1px solid var(--lean-border)}.qualification-card.fit{border-top:4px solid var(--lean-accent)}.qualification-card.unfit{border-top:4px solid var(--lean-danger);background:#fffafa}.qualification-list{list-style:none;padding:0;margin:1.25rem 0 0 0}.qualification-list li{padding:0.75rem 0;font-size:0.93rem;color:#334155;border-bottom:1px dashed var(--lean-border);display:flex;align-items:flex-start;line-height:1.6}.qualification-list li:last-child{border-bottom:none}.qualification-list li i{font-size:1.15rem;margin-right:0.75rem;flex-shrink:0;margin-top:1px}.cooperation-box{background:#ffffff;border:1px solid var(--lean-border);border-radius:1rem;padding:1.75rem 2rem;box-shadow:0 4px 15px rgba(0,0,0,0.04)}.portal-preview-wrap{border-radius:1.25rem;box-shadow:0 15px 35px rgba(2,132,199,0.15);transition:transform 0.3s ease;border:1px solid rgba(2,132,199,0.2)}.portal-preview-wrap:hover{transform:translateY(-4px);box-shadow:0 20px 45px rgba(2,132,199,0.22)}.lean-btn-zalo{display:inline-flex;align-items:center;justify-content:center;background:#0068ff;color:#ffffff;font-weight:700;font-size:1rem;padding:0.85rem 1.75rem;border-radius:50px;text-decoration:none;box-shadow:0 4px 15px rgba(0,104,255,0.35);transition:all 0.3s ease}.lean-btn-zalo:hover{background:#0052cc;color:#ffffff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,104,255,0.45)}.keyword-contrast-wrap{background:#ffffff;border:1px solid var(--lean-border);border-radius:1.25rem;padding:2rem;box-shadow:0 6px 20px rgba(0,0,0,0.04)}.contrast-card{border-radius:1rem;padding:1.75rem 1.5rem;height:100%;border:1px solid var(--lean-border)}.contrast-card.kpi-trap{background:#fffafa;border-left:4px solid var(--lean-danger);border-color:#fee2e2}.contrast-card.lean-niche{background:#f0fdf4;border-left:4px solid var(--lean-accent);border-color:#bbf7d0}.contrast-row{display:flex;justify-content:space-between;align-items:center;padding:0.65rem 0;border-bottom:1px dashed rgba(0,0,0,0.08);font-size:0.9rem}.contrast-row:last-child{border-bottom:none;padding-bottom:0}.contrast-label{color:#64748b;font-weight:600}.contrast-val{font-weight:700;color:#1e293b;text-align:right}.exit-clause-banner{background:linear-gradient(135deg,#f8fafc 0%,#eff6ff 100%);border:1px solid #bfdbfe;border-left:4px solid var(--lean-primary);border-radius:0.875rem;padding:1.25rem 1.5rem}