@import url(https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&family=Inter:wght@400;500;600&display=swap);:root{--navy:#002868;--navy-dark:#00183F;--navy-mid:#003580;--red:#BF0A30;--green:#00875A;--fs:#4D7C0F;--fs-dark:#365314;--fs-mid:#65A30D;--fs-light:#F7FEE7;--fs-border:#BEF264;--fs-amber:#D97706;--fs-amber-l:#FFFBEB;--fs-amber-b:#FDE68A;--fs-blue:#0284C7;--fs-blue-l:#F0F9FF;--fs-red:#DC2626;--fs-red-l:#FFF1F2;--white:#fff;--charcoal:#1D1D1F;--gray-text:#5F6368;--border:#E0E4E8;--bg-light:#F7F9FC;--shadow-sm:0 1px 4px rgba(0,0,0,.08);--shadow-md:0 4px 20px rgba(0,0,0,.12)}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}.fs-wrapper{font-family:'Inter',sans-serif;color:var(--gray-text);background:var(--white);line-height:1.6}.fs-page{max-width:1180px;margin:0 auto;padding:32px 24px 72px}.fs-hero{background:linear-gradient(135deg,var(--fs-dark) 0%,#3F6212 55%,var(--fs) 100%);border-radius:16px;padding:44px 40px 50px;position:relative;overflow:hidden;margin-bottom:32px}.fs-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 70% at 80% 40%,rgba(190,242,100,.12) 0%,transparent 60%);pointer-events:none}.fs-hero::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:52px 52px;pointer-events:none}.fs-hero-inner{position:relative;z-index:2}.fs-hero-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(190,242,100,.15);border:1px solid rgba(190,242,100,.3);color:#BEF264;font-size:11.5px;font-weight:700;padding:4px 13px;border-radius:20px;margin-bottom:16px}.fs-hero h1{font-family:'Montserrat',sans-serif;font-size:clamp(24px,3.8vw,43px);font-weight:900;color:var(--white);line-height:1.12;letter-spacing:-1px;margin-bottom:12px}.fs-hero h1 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.2s}.input-wrap:focus-within{border-color:var(--fs);box-shadow:0 0 0 3px rgba(77,124,15,.12)}.input-wrap input,.input-wrap select{flex:1;border:none;outline:none;padding:10px 12px;font-family:'Inter',sans-serif;font-size:14.5px;color:var(--charcoal);background:transparent;min-width:0}.isfx{padding:0 11px;font-size:12.5px;font-weight:600;color:var(--gray-text);background:var(--bg-light);border-left:1px solid var(--border);white-space:nowrap;align-self:stretch;display:flex;align-items:center}.pfx{padding:0 11px;font-size:12.5px;font-weight:600;color:var(--gray-text);background:var(--bg-light);border-right:1px solid var(--border);white-space:nowrap;align-self:stretch;display:flex;align-items:center}.row-2col{display:grid;grid-template-columns:1fr 1fr;gap:10px}.row-3col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.section-lbl{font-size:10.5px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--fs-dark);margin-bottom:8px;margin-top:14px}.section-lbl:first-child{margin-top:0}.info-pill{border-radius:8px;padding:8px 11px;margin-bottom:10px;font-size:11.5px;font-weight:600;line-height:1.5}.info-pill.lime{background:var(--fs-light);border:1px solid var(--fs-border);color:var(--fs-dark)}.info-pill.amber{background:var(--fs-amber-l);border:1px solid var(--fs-amber-b);color:var(--fs-amber)}.info-pill.blue{background:var(--fs-blue-l);border:1px solid #BAE6FD;color:#075985}.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:10px}.preset-btn{padding:9px 8px;border:1.5px solid var(--border);border-radius:9px;cursor:pointer;background:var(--white);font-size:10px;font-weight:700;color:var(--charcoal);transition:all .2s;text-align:center;line-height:1.3}.preset-btn:hover{border-color:var(--fs)}.preset-btn.active{border-color:var(--fs-dark);background:var(--fs-light);color:var(--fs-dark)}.preset-btn .pr-npk{font-size:9px;font-weight:700;color:var(--fs-mid);display:block;margin-top:2px}.preset-btn .pr-rate{font-size:8.5px;color:var(--gray-text);display:block;margin-top:1px}.spreader-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:10px}.spreader-btn{padding:8px 6px;border:1.5px solid var(--border);border-radius:9px;cursor:pointer;background:var(--white);font-size:10px;font-weight:700;color:var(--charcoal);transition:all .2s;text-align:center;line-height:1.3}.spreader-btn.active{border-color:var(--fs-dark);background:var(--fs-light);color:var(--fs-dark)}.spreader-btn:hover{border-color:var(--fs)}.spreader-btn .sp-sub{font-size:8.5px;font-weight:500;color:var(--gray-text);display:block;margin-top:2px}.npk-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}.fs-actions{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}.btn-calc{flex:2;min-width:130px;padding:13px 16px;background:var(--fs-dark);color:var(--white);border:none;border-radius:9px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:13.5px;cursor:pointer;transition:background .2s,transform .15s;display:flex;align-items:center;justify-content:center;gap:7px}.btn-calc:hover{background:#1A2E05;transform:translateY(-1px)}.btn-pdf{flex:1;min-width:100px;padding:13px;background:var(--navy);color:var(--white);border:none;border-radius:9px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:12.5px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px}.btn-pdf:hover{background:var(--navy-mid)}.btn-wa{flex:1;min-width:100px;padding:13px;background:#25D366;color:var(--white);border:none;border-radius:9px;font-family:'Montserrat',sans-serif;font-weight:700;font-size:12.5px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:5px}.btn-wa:hover{background:#1ebe5a}.hidden{display:none!important}.fs-results{padding:28px;background:var(--white);display:flex;flex-direction:column}.fs-results h2{font-family:'Montserrat',sans-serif;font-size:16px;font-weight:800;color:var(--navy);margin-bottom:18px}.results-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:32px 20px;color:var(--gray-text)}.empty-icon{width:64px;height:64px;border-radius:16px;background:var(--bg-light);border:1.5px dashed var(--border);display:flex;align-items:center;justify-content:center;font-size:30px;margin-bottom:14px}.results-empty p{font-size:13.5px;line-height:1.65;max-width:260px}.result-hero{background:linear-gradient(135deg,var(--fs-dark),#3F6212);border-radius:13px;padding:18px 22px;margin-bottom:12px}.result-hero-label{font-size:10.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:4px}.result-hero-val{font-family:'Montserrat',sans-serif;font-size:30px;font-weight:900;color:var(--white);line-height:1}.result-hero-val small{font-size:14px;font-weight:700;color:rgba(255,255,255,.6)}.result-hero-sub{font-size:11px;color:rgba(255,255,255,.42);margin-top:5px;line-height:1.5}.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:12px}.result-card{background:var(--bg-light);border:1.5px solid var(--border);border-radius:11px;padding:12px 14px}.rc-l{border-color:rgba(77,124,15,.3);background:var(--fs-light)}.rc-a{border-color:rgba(217,119,6,.3);background:var(--fs-amber-l)}.rc-n{border-color:rgba(0,40,104,.2);background:rgba(0,40,104,.04)}.rc-b{border-color:rgba(2,132,199,.25);background:var(--fs-blue-l)}.rc-label{font-size:10px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--gray-text);margin-bottom:3px}.rc-val{font-family:'Montserrat',sans-serif;font-size:20px;font-weight:900;color:var(--navy);line-height:1.1}.rc-val small{font-size:11px;font-weight:600;color:var(--gray-text)}.rc-sub{font-size:10.5px;color:var(--gray-text);margin-top:3px;line-height:1.4}.npk-box{background:var(--fs-light);border:2px solid var(--fs-border);border-radius:13px;padding:14px;margin-bottom:12px}.npk-title{font-family:'Montserrat',sans-serif;font-size:12.5px;font-weight:800;color:var(--fs-dark);margin-bottom:10px}.npk-bars{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.npk-bar-item{text-align:center}.npk-bar-label{font-family:'Montserrat',sans-serif;font-size:11px;font-weight:800;color:var(--charcoal);margin-bottom:5px}.npk-bar-val{font-family:'Montserrat',sans-serif;font-size:20px;font-weight:900;color:var(--fs-dark)}.npk-bar-unit{font-size:10px;color:var(--gray-text);margin-top:2px}.npk-track{height:8px;background:rgba(0,0,0,.06);border-radius:4px;margin-top:5px;overflow:hidden}.npk-fill-n{height:100%;border-radius:4px;background:linear-gradient(90deg,#365314,#4D7C0F)}.npk-fill-p{height:100%;border-radius:4px;background:linear-gradient(90deg,#92400E,#D97706)}.npk-fill-k{height:100%;border-radius:4px;background:linear-gradient(90deg,#075985,#0284C7)}.bag-box{background:var(--white);border:1.5px solid var(--border);border-radius:12px;padding:13px;margin-bottom:12px}.bag-title{font-family:'Montserrat',sans-serif;font-size:12.5px;font-weight:800;color:var(--navy);margin-bottom:9px}.bag-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px solid var(--border)}.bag-row:last-child{border-bottom:none}.bag-row .bl{font-size:12.5px;color:var(--charcoal);font-weight:600}.bag-row .bv{font-family:'Montserrat',sans-serif;font-size:14px;font-weight:900;color:var(--fs-dark)}.passes-box{background:var(--fs-amber-l);border:1.5px solid var(--fs-amber-b);border-radius:12px;padding:13px;margin-bottom:12px}.passes-title{font-family:'Montserrat',sans-serif;font-size:12.5px;font-weight:800;color:var(--fs-amber);margin-bottom:8px}.passes-row{display:flex;justify-content:space-between;font-size:12px;padding:4px 0;border-bottom:1px solid rgba(0,0,0,.06)}.passes-row:last-child{border-bottom:none}.passes-row .pl{color:var(--charcoal);font-weight:600}.passes-row .pv{font-family:'Montserrat',sans-serif;font-weight:800;color:var(--fs-dark)}.chart-wrap{background:var(--white);border:1.5px solid var(--border);border-radius:12px;padding:14px;margin-bottom:12px}.chart-wrap h3{font-family:'Montserrat',sans-serif;font-size:12px;font-weight:800;color:var(--navy-mid);margin-bottom:8px}.chart-wrap canvas{max-height:175px;width:100%!important}.fs-article{max-width:860px;margin:52px auto 0}.fs-article h2{font-family:'Montserrat',sans-serif;font-size:clamp(20px,2.5vw,26px);font-weight:800;color:var(--navy);line-height:1.25;margin:44px 0 14px}.fs-article h2:first-child{margin-top:0}.fs-article h3{font-family:'Montserrat',sans-serif;font-size:17px;font-weight:700;color:var(--navy-mid);margin:24px 0 10px}.fs-article p{font-size:15.5px;color:var(--gray-text);line-height:1.82;margin-bottom:14px}.fs-article ul{margin:10px 0 14px 24px}.fs-article 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var(--border);border-radius:13px;overflow:hidden;margin:18px 0;box-shadow:var(--shadow-sm)}.example-card-header{padding:14px 18px;display:flex;align-items:center;gap:11px;background:linear-gradient(135deg,var(--fs-dark),#3F6212)}.ex-icon{width:36px;height:36px;border-radius:9px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}.example-card-header h3{font-family:'Montserrat',sans-serif;font-size:15px;font-weight:800;color:var(--white)!important;margin:0;line-height:1.2}.example-loc{font-size:11px;color:rgba(255,255,255,.5);margin-top:2px}.example-body{padding:18px}.example-desc{font-size:14px;color:var(--gray-text);line-height:1.75;margin-bottom:12px}.ex-table{width:100%;border-collapse:collapse;font-size:13.5px;margin:10px 0}.ex-table th{background:var(--bg-light);color:var(--navy-mid);font-weight:700;padding:8px 12px;text-align:left;border:1px solid var(--border)}.ex-table td{padding:8px 12px;border:1px solid var(--border);color:var(--charcoal)}.example-result{background:rgba(77,124,15,.07);border:1.5px solid rgba(77,124,15,.25);border-radius:9px;padding:11px 14px;font-size:13.5px;color:var(--fs-dark);font-weight:600;margin-top:10px}.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}.tip-card{background:var(--white);border:1.5px solid var(--border);border-radius:12px;padding:18px 16px;position:relative;transition:box-shadow .2s}.tip-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--fs);border-radius:12px 12px 0 0}.tip-card:hover{box-shadow:var(--shadow-md)}.tip-num{width:26px;height:26px;border-radius:50%;background:var(--fs-dark);color:var(--white);font-family:'Montserrat',sans-serif;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:9px}.tip-body h3{font-family:'Montserrat',sans-serif;font-size:14px;font-weight:800;color:var(--fs-dark)!important;margin:0 0 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ease;font-size:14px;color:var(--gray-text);line-height:1.75;padding:0 16px}.faq-a.open{max-height:600px;padding:12px 16px 15px}.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.related-card{background:var(--white);border:1.5px solid var(--border);border-radius:11px;padding:14px 12px;text-align:center;text-decoration:none;transition:all .2s;display:block}.related-card:hover{border-color:var(--fs);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.related-icon{font-size:22px;margin-bottom:7px}.related-name{font-family:'Montserrat',sans-serif;font-size:12.5px;font-weight:700;color:var(--navy);line-height:1.3}.related-card:hover .related-name{color:var(--fs-dark)}.related-desc{font-size:11px;color:var(--gray-text);margin-top:3px}.disclaimer-box{background:var(--bg-light);border:1px solid var(--border);border-radius:10px;padding:24px;margin-top:36px;font-size:13.5px;color:var(--gray-text);line-height:1.75}.disclaimer-box h2{font-family:'Montserrat',sans-serif;font-size:19px;font-weight:800;color:var(--navy);margin:0 0 12px}.disclaimer-box a{color:var(--navy);text-decoration:underline}html,body{width:100%!important;max-width:100%!important;overflow-x:hidden!important;-webkit-text-size-adjust:100%}.fs-wrapper,.fs-wrapper *{min-width:0!important;box-sizing:border-box!important}.fs-wrapper input,.fs-wrapper select{font-size:16px}.chart-wrap canvas{max-width:100%!important;height:auto!important}@media(max-width:900px){.fs-grid{grid-template-columns:1fr}.fs-inputs{border-right:none;border-bottom:1.5px solid var(--border)}}@media(max-width:768px){.fs-table,.ex-table{display:block!important;width:100%!important;overflow-x:auto!important}.tips-grid{grid-template-columns:1fr}.faq-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}.results-grid{grid-template-columns:1fr 1fr}.npk-bars{grid-template-columns:repeat(3,1fr)}.preset-grid{grid-template-columns:1fr 1fr}.spreader-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:600px){.fs-page{padding:20px 14px 56px}.fs-hero{padding:28px 18px 36px}.fs-inputs,.fs-results{padding:20px 14px}.row-2col{grid-template-columns:1fr}.row-3col{grid-template-columns:1fr 1fr}.npk-row{grid-template-columns:1fr 1fr 1fr}.fs-actions{display:grid!important;grid-template-columns:1fr 1fr;gap:8px!important}.btn-calc{grid-column:1/-1}.btn-calc,.btn-pdf,.btn-wa{min-width:0!important;width:100%!important;font-size:12px;padding:12px 8px}}@media(max-width:480px){.fs-hero h1{font-size:21px!important}.result-hero-val{font-size:26px}.results-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}.spreader-grid{grid-template-columns:1fr 1fr}.preset-grid{grid-template-columns:1fr}}@media(max-width:400px){.related-grid{grid-template-columns:1fr}}.fs-page{padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right))}.aos{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}.aos.visible{opacity:1;transform:translateY(0)}