header{background-color:var(--primary-dark);color:#fff;z-index:1000;padding:1rem 0;position:sticky;top:0;box-shadow:0 2px 8px #0000001a}.header-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 2rem;display:flex}.logo{color:#fff;align-items:center;padding:5px 10px;text-decoration:none;display:flex}.logo-wrapper{align-items:center;gap:15px;display:flex}.logo-text h1{margin:0;font-size:20px;font-weight:700;line-height:1.2}.logo-text p{opacity:.9;margin:0;font-size:11.5px;font-weight:500}.brand-logo{object-fit:contain;border-radius:8px;width:auto;height:48px}nav{align-items:center;gap:2.5rem;display:flex}.nav-auth-start{margin-left:1.5rem}nav a{color:#fff;font-size:14px;font-weight:500;text-decoration:none;transition:opacity .3s;position:relative}nav a:hover{opacity:.8}nav a:after{content:"";background:var(--accent-teal);width:0;height:2px;transition:width .3s;position:absolute;bottom:-4px;left:0}nav a:hover:after{width:100%}.header-actions{align-items:center;gap:1.5rem;display:flex}.mobile-menu-btn{color:#fff;cursor:pointer;background:0 0;border:none;font-size:1.5rem;transition:opacity .3s;display:none}.mobile-menu-btn:hover{opacity:.8}.lang-toggle{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border-radius:6px;gap:.5rem;padding:.4rem;display:flex}.lang-btn{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:.6rem 1rem;font-size:12px;font-weight:600;transition:all .3s}.lang-btn.active{background:var(--accent-teal);color:#fff;box-shadow:0 2px 8px #d520274d}@media (width<=768px){.header-container{padding:.8rem 1rem;position:relative}.mobile-menu-btn{display:block}nav{background:var(--primary-dark);z-index:1000;flex-direction:column;gap:0;width:100%;padding:1rem 0;display:none;position:absolute;top:100%;left:0;box-shadow:0 8px 16px #0003}nav.active{display:flex}.nav-auth-start{margin-left:0}nav a{border-bottom:1px solid #ffffff0d;padding:1rem 2rem;font-size:15px;display:block!important}nav a:last-child{border-bottom:none}nav a:after{display:none}}@media (width<=480px){.header-container{flex-direction:row;justify-content:space-between;gap:0}.lang-toggle{padding:.3rem}.lang-btn{padding:.4rem .6rem}.logo-text h1{font-size:16px}}footer{background:var(--text-dark);color:#fff;padding:3rem 2rem 1rem}.footer-container{max-width:1200px;margin:0 auto}.footer-content{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem;display:grid}.footer-section h4{margin-bottom:1rem;font-size:16px;font-weight:700}.footer-section a{color:#bbb;margin-bottom:.75rem;font-size:13px;text-decoration:none;transition:color .3s;display:block}.footer-section a:hover{color:#fff}.footer-bottom{text-align:center;color:#999;border-top:1px solid #333;padding-top:2rem;font-size:13px}*{box-sizing:border-box;margin:0;padding:0}:root{--primary-dark:#002d72;--primary-light:#003893;--primary-lighter:#0050b3;--accent-teal:#d52027;--accent-amber:#e5a913;--bg-light:#f4f6f9;--bg-surface:#fff;--text-dark:#333;--text-muted:#555;--border-color:#e2e8f0;--success:#28a745;--warning:#ffc107}body{background-color:var(--bg-light);color:var(--text-dark);letter-spacing:.3px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6}body.nepali-font{font-family:Noto Sans Devanagari,Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.hero{background-color:var(--primary-light);color:#fff;text-align:center;padding:5rem 2rem;position:relative;overflow:hidden}.hero:before{content:"";pointer-events:none;background:0 0;position:absolute;inset:0}.hero-content{z-index:1;max-width:700px;margin:0 auto;animation:.8s ease-out fadeInUp;position:relative}.hero h1{letter-spacing:-1px;margin-bottom:1rem;font-size:clamp(2.5rem,4vw,3rem);font-weight:800;line-height:1.2}.hero p{opacity:.95;margin-bottom:2.5rem;font-size:18px;font-weight:300;line-height:1.8}.cal-button{background:var(--accent-teal);color:#fff;cursor:pointer;border:2px solid #0000;border-radius:8px;min-width:200px;padding:1rem 2.5rem;font-size:16px;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block;box-shadow:0 8px 24px #d520274d}.cal-button:hover{background:#b51a20;transform:translateY(-2px);box-shadow:0 12px 32px #d5202766}.cal-button.secondary{color:#fff;background:0 0;border:2px solid #fff;margin-left:1rem}.cal-button.secondary:hover{box-shadow:none;background:#ffffff1a}.quick-access{z-index:10;max-width:1200px;margin:4rem auto 0;padding:0 2rem;position:relative}.cards-container{grid-template-columns:repeat(2,1fr);gap:3rem;max-width:900px;margin:0 auto 6rem;display:grid}.card{background:var(--bg-surface);border:1px solid var(--border-color);cursor:pointer;text-align:center;border-radius:12px;padding:2rem;transition:all .3s;position:relative;overflow:hidden;box-shadow:0 4px 16px #00000014}.card:before{content:"";background-color:var(--accent-teal);transform-origin:0;height:4px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.card:hover{transform:translateY(-8px);box-shadow:0 12px 32px #0000001f}.card:hover:before{transform:scaleX(1)}.card-icon{width:auto;height:auto;color:var(--primary-light);background-color:#0000;justify-content:center;align-items:center;margin:0 auto 1.5rem;font-size:32px;display:flex}.card h3{color:var(--text-dark);margin-bottom:.75rem;font-size:20px;font-weight:700}.card p{color:var(--text-muted);margin-bottom:1.5rem;font-size:14px;line-height:1.6}.card-link{color:var(--primary-light);align-items:center;gap:.5rem;font-size:13px;font-weight:600;text-decoration:none;transition:gap .3s;display:inline-flex}.card-link:hover{gap:.75rem}.features{background-color:var(--bg-light);padding:4rem 2rem}.features-container{max-width:1200px;margin:0 auto}.features-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;display:grid}.feature{text-align:center}.feature-icon{background:#fff;border-radius:12px;justify-content:center;align-items:center;width:80px;height:80px;margin:0 auto 1.5rem;font-size:40px;display:flex;box-shadow:0 4px 12px #00000014}.feature h3{color:var(--text-dark);margin-bottom:.75rem;font-size:18px;font-weight:700}.feature p{color:var(--text-muted);font-size:14px;line-height:1.6}.section-title{text-align:center;color:var(--text-dark);margin-bottom:.5rem;font-size:2.5rem;font-weight:700}.section-subtitle{text-align:center;color:var(--text-muted);margin-bottom:3rem;font-size:16px}.cal-section{background-color:var(--primary-dark);color:#fff;text-align:center;padding:4rem 2rem}.cal-section-content{max-width:600px;margin:0 auto}.cal-section h2{margin-bottom:1rem;font-size:2.5rem;font-weight:800;line-height:1.2}.cal-section p{opacity:.95;margin-bottom:2rem;font-size:16px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.8s ease-out fadeInUp}@media (width<=768px){.hero{padding:3rem 1rem}.hero h1{font-size:2rem}.hero p{font-size:16px}.quick-access{margin-top:2rem;padding:0 1rem}.cards-container{grid-template-columns:1fr;gap:1.5rem;margin-bottom:3rem}.card{padding:1.5rem}.cal-button{width:auto;padding:.8rem 1.5rem;display:inline-block;margin:.5rem!important}.cal-button.secondary{margin-top:1rem;margin-left:0;display:block}.hero-content{flex-direction:column;align-items:center;display:flex}.section-title{font-size:2rem}.cal-section h2{font-size:1.8rem}}@media (width<=480px){.hero h1{font-size:1.8rem}.hero p{font-size:14px}.cards-container{grid-template-columns:1fr}.section-title{font-size:1.8rem}.cal-section h2{font-size:1.5rem}}html{scroll-behavior:smooth}.tax-layout{background:var(--bg-light);justify-content:center;align-items:flex-start;gap:3rem;min-height:80vh;padding:40px 20px;display:flex}.tax-page{flex-direction:column;align-items:center;display:flex}.tax-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;width:100%;max-width:550px;margin-bottom:3rem;padding:35px;box-shadow:0 10px 30px #00000014}.calculator-title{color:var(--primary-dark);text-align:center;margin-bottom:.5rem;font-size:1.4rem;font-weight:800}.calculator-subtitle{text-align:center;color:var(--text-muted);margin-bottom:2rem;font-size:14px}.tax-form{flex-direction:column;gap:20px;display:flex}.form-group{flex-direction:column;display:flex}.form-group label{color:var(--text-dark);margin-bottom:6px;font-size:14px;font-weight:600}.form-group input,.form-group select{border:1.5px solid var(--border-color);border-radius:8px;padding:12px;font-family:inherit;font-size:15px;transition:border-color .3s}.form-group input:focus,.form-group select:focus{border-color:var(--primary-light);outline:none}.calc-btn{background:var(--primary-light);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:10px;padding:14px;font-size:16px;font-weight:700;transition:all .3s}.calc-btn:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 4px 12px #002d7233}.form-group small{color:var(--text-muted);margin-bottom:6px;font-size:12px}.slab-reference{width:100%;max-width:550px;padding:0}.slab-reference h2{color:var(--primary-dark);text-align:center;margin-bottom:2rem;font-size:1.4rem;font-weight:800}.slab-tables{flex-direction:column;gap:2rem;display:flex}.slab-table-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:16px;padding:25px;box-shadow:0 4px 20px #0000000d}.slab-table-card h3{color:var(--primary-light);border-bottom:3px solid var(--accent-teal);margin:0 0 1.25rem;padding-bottom:6px;font-size:1.1rem;font-weight:700;display:inline-block}.slab-table-card table{border-collapse:collapse;width:100%}.slab-table-card th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;text-align:left;border-bottom:2px solid var(--border-color);background:#f8fafc;padding:10px 12px;font-size:11px;font-weight:700}.slab-table-card td{border-bottom:1px solid var(--border-color);color:var(--text-dark);padding:12px;font-size:14px}.slab-table-card tr:last-child td{border-bottom:none}.slab-note{color:var(--text-muted);text-align:center;border-top:1px dashed var(--border-color);margin-top:1.5rem;padding:15px;font-size:13px;font-style:italic}@media (width<=1150px){.tax-layout{flex-direction:column;align-items:center;gap:2rem;padding:20px}.slab-reference{margin-bottom:2rem}}.rate-grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.rate-card{background:var(--bg-surface);text-align:center;border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;box-shadow:0 4px 15px #0000000d}.rate-badge{background:var(--primary-light);color:#fff;border-radius:8px;margin-bottom:.75rem;padding:.5rem 1rem;font-size:1.5rem;font-weight:800;display:inline-block}.rate-card p{color:var(--text-muted);margin:0;font-size:.9rem;font-weight:600}.tax-card .result-box{border:1px solid var(--border-color);background:#f8fafc;border-radius:12px;margin-top:2rem;padding:1.5rem}.result-row{border-bottom:1px solid #0000000d;justify-content:space-between;padding:8px 0;display:flex}.result-row:last-child{border-bottom:none}.result-label{color:var(--text-muted);font-size:14px}.result-value{color:var(--primary-dark);font-weight:700}.compliance-info p{margin-bottom:.5rem;padding-left:5px;position:relative}.tax-table{border-collapse:collapse;width:100%;margin-top:1rem}.tax-table th,.tax-table td{text-align:left;border-bottom:1px solid var(--border-color);padding:12px;font-size:14px}.tax-table th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;background:#f8fafc;font-size:11px}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--text-dark);margin-bottom:8px;font-size:14px;font-weight:600;display:block}.input-wrapper{border:2px solid var(--border-color);background:#fff;border-radius:10px;align-items:center;transition:all .3s;display:flex;overflow:hidden}.input-wrapper:focus-within{border-color:var(--primary-light);box-shadow:0 0 0 4px #0038931a}.input-prefix{border-right:1px solid var(--border-color);color:var(--text-muted);background:#f8fafc;align-items:center;height:48px;padding:0 15px;font-size:14px;font-weight:700;display:flex}input[type=number]{border:none;outline:none;flex:1;width:100%;height:48px;padding:0 15px;font-size:16px;font-weight:600}input[type=number]::placeholder{color:#94a3b8;opacity:1;font-weight:400}.calc-btn-container{flex-direction:column;gap:12px;margin-top:2rem;display:flex}.reset-btn{border:2px solid var(--border-color);cursor:pointer;background:#fff;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px;font-size:14px;font-weight:600;transition:all .2s;display:flex;color:var(--text-muted)!important}.reset-btn:hover{border-color:var(--text-dark);background:#f8fafc;color:var(--text-dark)!important}.reset-btn:active{background:#f1f5f9}.vat-result-grid{border:1px solid var(--border-color);background:#f8fafc;border-radius:12px;margin-top:1.5rem;padding:24px;box-shadow:inset 0 2px 4px #00000005}.vat-row{justify-content:space-between;align-items:center;padding:12px 0;display:flex}.vat-row:not(:last-child){border-bottom:1px solid #0000000f}.vat-row span:first-child{color:var(--text-muted);font-size:14px;font-weight:500}.vat-row span:last-child{color:var(--text-dark);font-size:16px;font-weight:700}.vat-row.accent span:last-child{color:var(--accent-teal)}.vat-row.total{border-top:2px solid var(--border-color);margin-top:10px;padding-top:18px}.vat-row.total span:first-child{color:var(--primary-dark);font-size:15px;font-weight:700}.vat-row.total span:last-child{color:var(--primary-dark);font-size:1.35rem}.vat-visual{border:1px solid var(--border-color);background:#fff;border-radius:10px;margin-top:2rem;padding:15px}.bar-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:12px;font-weight:700}.proportion-bar{background:#eee;border-radius:6px;height:12px;margin-bottom:12px;display:flex;overflow:hidden}.bar-base{background:var(--primary-light);width:0;transition:width .6s cubic-bezier(.22,1,.36,1)}.bar-vat{background:var(--accent-teal);width:0;transition:width .6s cubic-bezier(.22,1,.36,1)}.bar-legend{color:var(--text-muted);gap:15px;font-size:11px;font-weight:600;display:flex}.dot{border-radius:50%;width:8px;height:8px;margin-right:4px;display:inline-block}.dot.base{background:var(--primary-light)}.dot.vat{background:var(--accent-teal)}.hidden{display:none!important}