:root{--green:#1B5E20;--green2:#2E7D32;--green3:#4CAF50;--accent:#FF6F00;--accent2:#FFB300;--bg:#F8FAF8;--bg2:#EEF3EE;--card:#FFFFFF;--text:#1A1A1A;--text2:#4A5568;--muted:#4B5563;--border:#D1D9D1;--shadow:0 2px 16px rgba(0,0,0,0.08);--shadow2:0 8px 32px rgba(0,0,0,0.12);--radius:12px;--radius2:20px;--font:'Inter',system-ui,sans-serif;--font-h:'Poppins',system-ui,sans-serif}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7}a,button{-webkit-tap-highlight-color:transparent}img{max-width:100%;display:block}a{color:var(--green2);text-decoration:none}a:hover{color:var(--green);text-decoration:underline}.container{max-width:1180px;margin:0 auto;padding:0 16px}.site-header{background:#fff;border-bottom:2px solid var(--border);position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px rgba(0,0,0,0.06)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;gap:16px}.logo{display:flex;align-items:center;gap:10px;color:inherit;text-decoration:none}.logo-icon{font-size:1.6rem;line-height:1}.logo-main{font-family:var(--font-h);font-size:1.35rem;font-weight:900;display:block;line-height:1}.accent{color:var(--green2)}.logo-sub{font-size:0.65rem;color:var(--muted);letter-spacing:0.12em;text-transform:uppercase}.nav-links{display:flex;align-items:center;gap:2px}.nav-links a{color:var(--text2);font-weight:500;font-size:0.875rem;padding:6px 12px;border-radius:8px;transition:background 0.18s,color 0.18s;white-space:nowrap}.nav-links a:hover,.nav-links a.active{background:var(--green2);color:#fff;text-decoration:none}.nav-toggle{display:none;background:none;border:1px solid var(--border);border-radius:8px;padding:6px 10px;font-size:1.25rem;cursor:pointer;color:var(--text);min-width:44px;min-height:44px;align-items:center;justify-content:center}.hero{background:linear-gradient(135deg,var(--green) 0%,var(--green2) 60%,#388E3C 100%);color:#fff;padding:52px 16px 52px;text-align:center;position:relative;overflow:hidden}.hero::after{content:'';position:absolute;inset:0;pointer-events:none;background:url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='40' cy='40' r='1.5' fill='white' fill-opacity='0.05'/%3E%3C/svg%3E")}.hero .container{position:relative}.hero h1{font-family:var(--font-h);font-size:clamp(1.9rem,5vw,3.2rem);font-weight:900;line-height:1.15;margin-bottom:14px}.hero h1 span{color:#A5D6A7}.hero p{font-size:1.05rem;opacity:0.9;max-width:560px;margin:0 auto 24px}.badge-row{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}.badge{background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.3);color:#fff;padding:5px 14px;border-radius:20px;font-size:0.8rem;font-weight:500}.page-hero{background:linear-gradient(135deg,var(--green) 0%,var(--green2) 100%);color:#fff;padding:36px 16px 48px}.page-hero h1{font-family:var(--font-h);font-size:clamp(1.5rem,4vw,2.4rem);font-weight:900;margin-bottom:8px}.page-hero p{opacity:0.88;max-width:600px}.breadcrumb-bar{background:var(--bg2);border-bottom:1px solid var(--border);padding:8px 0}.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:4px;font-size:0.83rem;list-style:none}.breadcrumb a{color:var(--text2)}.breadcrumb a:hover{color:var(--green2)}.bc-sep{color:var(--muted);margin:0 2px}.calc-section{margin-top:0;padding:32px 0 48px}.calc-card{background:var(--card);border-radius:var(--radius2);box-shadow:var(--shadow2);overflow:hidden;max-width:780px;margin:0 auto}.calc-header{background:var(--bg2);padding:20px 24px 0;border-bottom:1px solid var(--border)}.calc-tabs{display:flex;gap:4px}.calc-tab{padding:10px 20px;border:none;background:transparent;font-family:var(--font);font-size:0.9rem;font-weight:600;color:var(--muted);cursor:pointer;border-radius:10px 10px 0 0;transition:background 0.18s,color 0.18s}.calc-tab.active{background:var(--card);color:var(--green2);border-bottom:3px solid var(--green2)}.calc-body{padding:28px 24px 24px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:end}.form-row .btn-calc{grid-column:1 / -1}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:0.83rem;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:0.05em}.form-group input,.form-group select{width:100%;padding:12px 14px;border:2px solid var(--border);border-radius:var(--radius);font-family:var(--font);font-size:1rem;color:var(--text);background:var(--bg);outline:none;transition:border-color 0.18s}.form-group input:focus,.form-group select:focus{border-color:var(--green2);background:#fff}.form-group input::placeholder{color:var(--muted)}.btn-calc{width:100%;padding:14px;background:var(--green2);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font-h);font-size:1.05rem;font-weight:700;cursor:pointer;transition:background 0.18s,transform 0.12s;display:flex;align-items:center;justify-content:center;gap:8px}.btn-calc:hover{background:var(--green);transform:translateY(-1px)}.btn-calc:active{transform:translateY(0)}.result-box{margin-top:20px;min-height:60px;border-radius:var(--radius);padding:0;display:none}.result-box.visible{display:block;animation:fadeIn 0.3s ease}.result-inner{background:linear-gradient(135deg,#E8F5E9,#F1F8E9);border:2px solid #A5D6A7;border-radius:var(--radius);padding:20px}.result-main{font-family:var(--font-h);font-size:2rem;font-weight:900;color:var(--green)}.result-sub{font-size:0.9rem;color:var(--text2);margin-top:4px}.result-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.result-item{background:rgba(255,255,255,0.7);border:1px solid #C8E6C9;border-radius:8px;padding:8px 14px;flex:1;min-width:130px}.result-item__label{font-size:0.75rem;color:var(--muted);font-weight:600;text-transform:uppercase}.result-item__value{font-size:1.1rem;font-weight:700;color:var(--text)}.btn-copy{margin-top:14px;padding:8px 18px;background:var(--green2);color:#fff;border:none;border-radius:8px;font-family:var(--font);font-size:0.88rem;font-weight:600;cursor:pointer;transition:background 0.18s}.btn-copy:hover{background:var(--green)}.ad-wrap{min-height:0}.ad-slot{text-align:center;overflow:hidden;min-height:0}.ad-slot:empty{display:none}.ad-slot:not(:empty){min-height:100px}@media (min-width:768px){.ad-slot:not(:empty){min-height:90px}}.ad-slot--top{margin:0}.ad-slot--middle{margin:16px 0}.ad-slot--sidebar{margin-bottom:24px}.section-title{font-family:var(--font-h);font-size:clamp(1.25rem,3vw,1.75rem);font-weight:800;color:var(--text);margin-bottom:8px}.section-sub{color:var(--muted);margin-bottom:24px}.info-section{padding:52px 0}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.info-grid h2{font-family:var(--font-h);font-size:1.5rem;font-weight:800;margin-bottom:14px}.info-grid p{color:var(--text2);margin-bottom:14px}.formula-box{background:var(--green);color:#fff;padding:28px;border-radius:var(--radius2)}.formula-title{font-family:var(--font-h);font-size:1.1rem;font-weight:800;margin-bottom:16px;opacity:0.85}.formula-line{font-size:1rem;margin-bottom:6px}.formula-line span{color:#A5D6A7;font-weight:700}.table-section{padding:48px 0;background:#fff}.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border)}.conv-table{width:100%;border-collapse:collapse;font-size:0.9rem}.conv-table th{background:var(--green2);color:#fff;padding:12px 16px;text-align:left;font-weight:600;white-space:nowrap}.conv-table td{padding:10px 16px;border-bottom:1px solid var(--border);color:var(--text2)}.conv-table tr:hover td{background:var(--bg2)}.conv-table tr:last-child td{border-bottom:none}.conv-table td:first-child{font-weight:700;color:var(--text)}.state-section{padding:52px 0}.state-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}.state-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:18px 14px;text-align:center;color:inherit}.state-name{font-weight:700;font-size:0.88rem;color:var(--text1);margin-bottom:4px}.state-rate{font-family:var(--font-h);font-size:1.5rem;font-weight:900;color:var(--green2);margin:6px 0 2px}.state-label{font-size:0.70rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.05em}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.tool-card{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;text-decoration:none;color:inherit;transition:border-color 0.18s,box-shadow 0.18s,transform 0.15s}.tool-card:hover{border-color:var(--green2);box-shadow:var(--shadow);transform:translateY(-1px);text-decoration:none}.tool-card__icon{font-size:1.3rem}.tool-card__name{flex:1;font-size:0.88rem;font-weight:600;color:var(--text)}.tool-card__arrow{color:var(--green2);font-weight:700}.related-tools{padding:48px 0;background:var(--bg2)}.faq-section{padding:52px 0}.faq-list{max-width:800px;margin:24px auto 0}.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;transition:box-shadow 0.18s}.faq-item:hover{box-shadow:var(--shadow)}.faq-item[open]{border-color:var(--green2)}.faq-q{padding:16px 20px;cursor:pointer;font-weight:700;font-size:1rem;color:var(--text);list-style:none;display:flex;justify-content:space-between;align-items:center}.faq-q::after{content:'+';color:var(--green2);font-size:1.4rem;font-weight:300;transition:transform 0.2s}.faq-item[open] .faq-q::after{transform:rotate(45deg)}.faq-a{padding:14px 20px 18px;color:var(--text2);line-height:1.8;font-size:0.97rem;border-top:1px solid var(--border)}.content-section{padding:52px 0}.content-section h2{font-family:var(--font-h);font-size:1.5rem;font-weight:800;margin-bottom:16px;color:var(--green)}.content-section h3{font-family:var(--font-h);font-size:1.2rem;font-weight:700;margin:24px 0 10px}.content-section p{color:var(--text2);margin-bottom:18px;font-size:1.02rem;line-height:1.8}.content-section ul,.content-section ol{padding-left:22px;color:var(--text2);margin-bottom:14px}.content-section li{margin-bottom:6px}.highlight-box{background:#E8F5E9;border-left:4px solid var(--green2);border-radius:0 var(--radius) var(--radius) 0;padding:18px 20px;margin:20px 0}.highlight-box strong{color:var(--green)}.bhulekh-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin-top:24px}.bhulekh-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:22px;transition:border-color 0.18s,box-shadow 0.18s}.bhulekh-card:hover{border-color:var(--green2);box-shadow:var(--shadow)}.bhulekh-card h3{font-weight:700;margin-bottom:8px;color:var(--text)}.bhulekh-card p{font-size:0.88rem;color:var(--muted);margin-bottom:14px}.bhulekh-card a.btn{display:inline-block;background:var(--green2);color:#fff;padding:8px 18px;border-radius:8px;font-weight:600;font-size:0.88rem;transition:background 0.18s}.bhulekh-card a.btn:hover{background:var(--green);text-decoration:none}.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;margin-top:28px}.blog-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius2);overflow:hidden;transition:box-shadow 0.18s,transform 0.15s}.blog-card:hover{box-shadow:var(--shadow2);transform:translateY(-3px)}.blog-card__img{height:160px;background:var(--bg2);display:flex;align-items:center;justify-content:center;font-size:3rem}.blog-card__body{padding:20px}.blog-card__tag{font-size:0.75rem;font-weight:700;color:var(--green2);text-transform:uppercase;letter-spacing:0.08em}.blog-card__title{font-family:var(--font-h);font-size:1.05rem;font-weight:700;margin:8px 0;color:var(--text)}.blog-card__meta{font-size:0.8rem;color:var(--muted)}.blog-card a{text-decoration:none;color:inherit}.hero-tools{padding:56px 0}.hero-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}.site-footer{background:var(--green);color:rgba(255,255,255,0.85);padding:56px 0 0;margin-top:60px}.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-brand .logo-main{color:#fff;font-size:1.3rem}.footer-brand p{font-size:0.88rem;opacity:0.75;margin-top:12px;line-height:1.65}.footer-disclaimer{font-size:0.78rem!important;opacity:0.55!important;margin-top:14px!important}.site-footer h3{color:#fff;font-size:0.95rem;font-weight:700;margin-bottom:14px;letter-spacing:0.04em}.site-footer ul{list-style:none}.site-footer ul li{margin-bottom:8px}.site-footer ul a{color:rgba(255,255,255,0.7);font-size:0.875rem;transition:color 0.18s}.site-footer ul a:hover{color:#fff;text-decoration:none}.footer-bottom{background:rgba(0,0,0,0.25);padding:20px 0;text-align:center;font-size:0.82rem;opacity:0.75}.footer-bottom a{color:rgba(255,255,255,0.8)}.footer-bottom p{margin-bottom:4px}.error-page{text-align:center;padding:100px 20px}.error-page h1{font-family:var(--font-h);font-size:6rem;font-weight:900;color:var(--green2);line-height:1}.error-page h2{font-size:1.5rem;margin:16px 0}.error-page p{color:var(--text2);max-width:400px;margin:0 auto 28px}@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.02)}}.animate-in{animation:fadeIn 0.4s ease}@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.info-grid{grid-template-columns:1fr}}@media (max-width:680px){.nav-toggle{display:flex;align-items:center}.nav-links{display:none;flex-direction:column;align-items:stretch;position:absolute;top:100%;left:0;right:0;background:#fff;padding:12px 16px;gap:4px;border-bottom:2px solid var(--border);box-shadow:0 8px 24px rgba(0,0,0,0.1);z-index:999}.nav-links.open{display:flex}.nav-links a{padding:10px 14px;font-size:0.95rem}.site-header{position:relative}.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:24px}.calc-body{padding:20px 16px 16px}.hero{padding:36px 16px 40px}.tools-grid{grid-template-columns:1fr}.blog-grid{grid-template-columns:1fr}.bhulekh-grid{grid-template-columns:1fr}.state-grid{grid-template-columns:repeat(3,1fr);gap:8px}.state-card{padding:12px 8px}.state-rate{font-size:1.2rem}}@media (max-width:360px){.state-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:420px){.result-main{font-size:1.5rem}.result-row{flex-direction:column}.result-item{min-width:0}}