:root{--bg-deep: #0a0a14;--bg-card: rgba(255, 255, 255, .04);--bg-card-hover: rgba(255, 255, 255, .08);--bg-input: rgba(255, 255, 255, .06);--border: rgba(255, 255, 255, .08);--border-focus: rgba(79, 140, 255, .5);--text: #e8e8f0;--text-dim: #8888a0;--text-label: #aaaacc;--primary: #4f8cff;--primary-glow: rgba(79, 140, 255, .15);--success: #34d399;--success-glow: rgba(52, 211, 153, .15);--warning: #fbbf24;--danger: #f87171;--accent: #a78bfa;--radius: 16px;--radius-sm: 10px;--radius-xs: 8px;--shadow: 0 8px 32px rgba(0, 0, 0, .4);--transition: .25s cubic-bezier(.4, 0, .2, 1);--font: "Inter", system-ui, -apple-system, sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font);background:var(--bg-deep);color:var(--text);min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased}#app{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;position:relative}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:linear-gradient(135deg,#4f8cff14,#a78bfa0f);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.header-brand{display:flex;align-items:center;gap:10px}.header-logo{font-size:28px;filter:drop-shadow(0 0 8px rgba(79,140,255,.3))}.header-title{font-size:20px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.header-subtitle{font-size:11px;color:var(--text-dim);font-weight:500;letter-spacing:.5px;text-transform:uppercase}.header-phone{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--primary-glow);border-radius:50%;text-decoration:none;font-size:20px;transition:var(--transition);border:1px solid rgba(79,140,255,.2)}.header-phone:active{transform:scale(.92);background:#4f8cff4d}.tab-nav{position:sticky;top:73px;z-index:90;background:var(--bg-deep);border-bottom:1px solid var(--border);padding:0}.tab-scroll{display:flex;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:10px 16px;gap:8px}.tab-scroll::-webkit-scrollbar{display:none}.tab{flex-shrink:0;padding:8px 14px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--text-dim);font-family:var(--font);font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition);white-space:nowrap}.tab:active{transform:scale(.95)}.tab.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 12px #4f8cff4d}.calc-content{flex:1;padding:16px 16px 160px}.calc-title{font-size:22px;font-weight:700;margin-bottom:4px;color:var(--text)}.calc-desc{font-size:13px;color:var(--text-dim);margin-bottom:20px;line-height:1.5}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:var(--transition)}.card-title{font-size:14px;font-weight:600;color:var(--text-label);margin-bottom:16px;display:flex;align-items:center;gap:8px}.input-group{margin-bottom:16px}.input-label{display:block;font-size:12px;font-weight:600;color:var(--text-dim);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}.input-field{width:100%;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-family:var(--font);font-size:16px;font-weight:600;transition:var(--transition);outline:none;-webkit-appearance:none;appearance:none}.input-field:focus{border-color:var(--border-focus);background:#4f8cff0d;box-shadow:0 0 0 3px var(--primary-glow)}.input-field::placeholder{color:var(--text-dim);font-weight:400}select.input-field{cursor:pointer}.input-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.input-hint{font-size:11px;color:var(--text-dim);margin-top:4px}.slider-container{display:flex;align-items:center;gap:12px}.slider{flex:1;-webkit-appearance:none;appearance:none;height:6px;border-radius:3px;background:#ffffff1a;outline:none}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--primary);cursor:pointer;box-shadow:0 2px 8px #4f8cff66;border:2px solid rgba(255,255,255,.2)}.slider-value{min-width:55px;text-align:right;font-size:15px;font-weight:700;color:var(--primary)}.result-card{background:linear-gradient(135deg,#4f8cff14,#34d3990d);border:1px solid rgba(79,140,255,.15);border-radius:var(--radius);padding:20px;margin-bottom:16px;text-align:center}.result-big{font-size:36px;font-weight:800;color:var(--success);margin-bottom:4px;letter-spacing:-1px}.result-big.negative{color:var(--danger)}.result-big-label{font-size:13px;color:var(--text-dim);font-weight:500}.result-grid{display:grid;gap:1px;margin-top:16px;background:var(--border);border-radius:var(--radius-sm);overflow:hidden}.result-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--bg-deep)}.result-label{font-size:13px;color:var(--text-dim)}.result-value{font-size:14px;font-weight:700;color:var(--text)}.result-value.positive{color:var(--success)}.result-value.negative{color:var(--danger)}.result-value.primary{color:var(--primary)}.result-value.warning{color:var(--warning)}.chart-container{position:relative;width:100%;max-width:280px;margin:16px auto}.chart-container canvas{width:100%!important;height:auto!important}.data-table{width:100%;border-collapse:collapse;font-size:12px;margin-top:12px}.data-table th{padding:10px 8px;text-align:right;font-weight:600;color:var(--text-dim);font-size:11px;text-transform:uppercase;letter-spacing:.3px;border-bottom:1px solid var(--border);background:#ffffff05}.data-table th:first-child{text-align:left}.data-table td{padding:8px;text-align:right;font-weight:500;color:var(--text);border-bottom:1px solid rgba(255,255,255,.03)}.data-table td:first-child{text-align:left;color:var(--text-dim)}.data-table tbody tr:hover{background:#4f8cff08}.blur-gate{position:relative}.blur-gate .blur-content{filter:blur(6px);pointer-events:none;-webkit-user-select:none;user-select:none}.blur-gate .blur-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0a0a1499;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);border-radius:var(--radius);cursor:pointer;z-index:5}.blur-overlay-text{font-size:14px;font-weight:600;color:var(--primary);margin-top:8px}.blur-overlay-icon{font-size:32px}.cta-footer{position:fixed;bottom:40px;left:50%;transform:translate(-50%);width:100%;max-width:480px;display:flex;gap:10px;padding:12px 16px;z-index:80}.cta-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 16px;border-radius:var(--radius-sm);font-family:var(--font);font-size:15px;font-weight:700;text-decoration:none;transition:var(--transition);border:none;cursor:pointer}.cta-btn:active{transform:scale(.96)}.cta-call{background:linear-gradient(135deg,#34d399,#059669);color:#fff;box-shadow:0 4px 16px #34d3994d}.cta-text{background:linear-gradient(135deg,#4f8cff,#3b5eff);color:#fff;box-shadow:0 4px 16px #4f8cff4d}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;padding:10px 16px;background:var(--bg-deep);border-top:1px solid var(--border);text-align:center;z-index:80}.brand-footer{font-size:11px;color:var(--text-dim);font-weight:500;letter-spacing:.3px}.modal-overlay{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;pointer-events:none;transition:var(--transition);padding:20px}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-card{background:linear-gradient(135deg,#141428,#1a1a30);border:1px solid rgba(79,140,255,.15);border-radius:var(--radius);padding:32px 24px;width:100%;max-width:380px;text-align:center;transform:translateY(20px) scale(.95);transition:var(--transition);position:relative}.modal-overlay.active .modal-card{transform:translateY(0) scale(1)}.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;color:var(--text-dim);font-size:20px;cursor:pointer;padding:4px}.modal-icon{font-size:48px;margin-bottom:12px}.modal-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:8px}.modal-desc{font-size:13px;color:var(--text-dim);line-height:1.6;margin-bottom:20px}.modal-form{display:flex;flex-direction:column;gap:10px}.modal-input{padding:14px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-family:var(--font);font-size:15px;outline:none;transition:var(--transition)}.modal-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--primary-glow)}.modal-submit{padding:14px;background:linear-gradient(135deg,var(--primary),#3b5eff);color:#fff;border:none;border-radius:var(--radius-xs);font-family:var(--font);font-size:16px;font-weight:700;cursor:pointer;transition:var(--transition);margin-top:4px}.modal-submit:active{transform:scale(.97)}.modal-privacy{font-size:11px;color:var(--text-dim);margin-top:12px}.calc-btn{width:100%;padding:14px;background:linear-gradient(135deg,var(--primary),#3b5eff);color:#fff;border:none;border-radius:var(--radius-xs);font-family:var(--font);font-size:16px;font-weight:700;cursor:pointer;transition:var(--transition);margin-top:4px;margin-bottom:16px}.calc-btn:active{transform:scale(.97)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.calc-content>*{animation:fadeIn .3s ease forwards}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.compare-col{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px}.compare-col-title{font-size:13px;font-weight:700;text-align:center;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.compare-col-title.a{color:var(--primary)}.compare-col-title.b{color:var(--accent)}@media(min-width:481px){#app{border-left:1px solid var(--border);border-right:1px solid var(--border)}}.en-text{display:none}.vi-text{display:inline}body.lang-en .vi-text{display:none}body.lang-en .en-text{display:inline}.lang-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:var(--text);border-radius:var(--radius-xs);padding:6px 12px;font-size:13px;cursor:pointer;transition:background .2s;font-family:inherit}.lang-btn:hover{background:#ffffff2e}.input-error-msg{display:block;color:var(--danger);font-size:12px;margin-top:4px;font-weight:500}.pmi-warning{background:#fbbf241a;border:1px solid rgba(251,191,36,.3);border-radius:var(--radius-xs);padding:8px 12px;font-size:13px;color:var(--warning);margin-top:8px}.print-btn{display:flex;align-items:center;gap:8px;margin:12px auto 0;padding:10px 20px;background:#4f8cff1a;border:1px solid rgba(79,140,255,.3);border-radius:var(--radius-xs);color:var(--primary);font-size:14px;cursor:pointer;font-family:inherit;transition:background .2s}.print-btn:hover{background:#4f8cff33}@media print{body{background:#fff!important;color:#111!important}.header,.tab-nav,.calc-btn,.print-btn,.footer-cta,.bottom-nav,#emailModal,.input-group,.card:first-of-type,.card-title{display:none!important}.result-card,.card{background:#fff!important;color:#111!important;border:1px solid #ddd!important;box-shadow:none!important;break-inside:avoid}.result-big{color:#111!important}.result-label{color:#555!important}.result-value{color:#111!important}canvas{max-width:300px!important}@page{margin:1cm}}.lc-overlay{position:fixed;inset:0;background:#00000080;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;pointer-events:none;transition:opacity var(--transition);padding:20px}.lc-overlay.lc-active{opacity:1;pointer-events:auto}.lc-modal{background:linear-gradient(135deg,#141428f2,#1a1a30f2);border:1px solid rgba(79,140,255,.2);border-radius:var(--radius);padding:32px 24px;width:100%;max-width:420px;position:relative;box-shadow:0 20px 60px #0009;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);animation:lc-fadeIn .3s ease forwards}@keyframes lc-fadeIn{0%{opacity:0;transform:translateY(10px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.lc-close{position:absolute;top:16px;right:16px;background:none;border:none;color:var(--text-dim);font-size:24px;cursor:pointer;padding:4px;transition:color var(--transition);width:32px;height:32px;display:flex;align-items:center;justify-content:center}.lc-close:hover{color:var(--text)}.lc-close:active{transform:scale(.9)}.lc-title{font-size:22px;font-weight:800;color:var(--text);margin-bottom:8px;text-align:center;letter-spacing:-.5px}.lc-subtitle{font-size:14px;color:var(--text-dim);text-align:center;margin-bottom:24px;line-height:1.5}.lc-form{display:flex;flex-direction:column;gap:16px}.lc-form-group{display:flex;flex-direction:column;gap:6px}.lc-label{font-size:13px;font-weight:600;color:var(--text-label);display:flex;align-items:center;gap:4px}.lc-required{color:var(--danger)}.lc-input{padding:12px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-xs);color:var(--text);font-family:var(--font);font-size:15px;outline:none;transition:var(--transition);-webkit-appearance:none;appearance:none}.lc-input:focus{border-color:var(--border-focus);background:#4f8cff0d;box-shadow:0 0 0 3px var(--primary-glow)}.lc-input::placeholder{color:var(--text-dim);opacity:.7}.lc-input.lc-input-error{border-color:var(--danger);background:#f871710d}.lc-error{font-size:12px;color:var(--danger);font-weight:500;min-height:16px}.lc-submit{padding:14px 16px;background:linear-gradient(135deg,#0054a6,#003d7a);color:#fff;border:none;border-radius:var(--radius-xs);font-family:var(--font);font-size:15px;font-weight:700;cursor:pointer;transition:var(--transition);margin-top:8px;box-shadow:0 4px 16px #0054a64d}.lc-submit:hover{background:linear-gradient(135deg,#0063c4,#004a8f);box-shadow:0 6px 20px #0054a666}.lc-submit:active{transform:scale(.96)}.lc-submit:disabled{opacity:.7;cursor:not-allowed;transform:none}.lc-skip{padding:12px 16px;background:transparent;color:var(--text-dim);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-xs);font-family:var(--font);font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition)}.lc-skip:hover{background:#ffffff0a;color:var(--text)}.lc-skip:active{transform:scale(.96)}.lc-privacy{font-size:11px;color:var(--text-dim);text-align:center;margin-top:12px;line-height:1.4;font-weight:500}.lc-footer{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.05);text-align:center}.lc-footer-text{font-size:12px;color:var(--text-dim);font-weight:500;letter-spacing:.3px}@media(max-width:480px){.lc-modal{padding:24px 20px;max-width:calc(100vw - 40px)}.lc-title{font-size:20px}.lc-subtitle{font-size:13px}}.table-toggle-group{display:flex;gap:8px;margin-bottom:12px}.table-toggle-btn{padding:6px 14px;border:1.5px solid var(--border);background:transparent;color:var(--text-muted);border-radius:6px;cursor:pointer;font-size:13px;transition:all .15s ease}.table-toggle-btn.active{background:var(--primary, #0054a6);color:#fff;border-color:var(--primary, #0054a6);font-weight:600}.table-toggle-btn:hover:not(.active){background:var(--bg-hover, #f1f5f9);color:var(--text, #1e293b)}.booking-cta{margin-top:20px;padding:20px 18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);text-align:center}.booking-cta-title{font-size:16px;font-weight:700;color:var(--text);margin-bottom:6px}.booking-cta-desc{font-size:14px;line-height:1.5;color:var(--text-dim);margin-bottom:16px}.booking-cta-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 16px;border-radius:var(--radius-sm);background:var(--primary);color:#fff;font-family:var(--font);font-size:15px;font-weight:600;text-decoration:none;box-shadow:0 6px 20px var(--primary-glow);transition:var(--transition)}.booking-cta-btn:active{transform:scale(.98)}.booking-cta-note{margin-top:12px;font-size:11px;color:var(--text-dim)}