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68px;display:grid;position:relative}.hero:after{content:"";background:var(--teal);width:34%;height:1px;position:absolute;bottom:0;right:0}.eyebrow{text-transform:uppercase;letter-spacing:1.65px;font:600 11px var(--font-plex-mono);color:var(--teal);margin:0 0 17px}.pulse-dot{background:var(--teal);border-radius:50%;width:7px;height:7px;margin-right:10px;display:inline-block;box-shadow:0 0 0 5px #087c731a}.hero h1{letter-spacing:-4px;max-width:780px;margin:0;font-size:clamp(42px,5.2vw,74px);font-weight:650;line-height:1.02}.hero h1 span{color:var(--teal)}.hero-lead{max-width:655px;color:var(--muted);margin:29px 0 34px;font-size:18px;line-height:1.65}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.button{cursor:pointer;border:0;border-radius:8px;justify-content:center;align-items:center;gap:16px;min-height:46px;padding:0 20px;font-size:13px;font-weight:750;transition:all .2s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button.primary{background:var(--teal);color:#fff;box-shadow:0 8px 24px #087c7326}.button.primary:hover{background:var(--teal-dark)}.button.secondary{color:var(--ink);background:#fff;border:1px solid #c8d4d1}.button.full{width:100%}.hero-panel{color:#fff;background:#102f30;border-radius:3px;padding:20px;position:relative;box-shadow:24px 28px #087c731c}.hero-panel:before{content:"";z-index:-1;border:1px solid #cbe98280;width:100px;height:100px;position:absolute;top:-35px;right:-35px}.panel-top{font:500 11px var(--font-plex-mono);text-transform:uppercase;letter-spacing:1px;color:#a6bbbb;justify-content:space-between;align-items:center;padding-bottom:18px;display:flex}.status-pill{color:var(--lime)}.formula-card{background:#173b3c;border:1px solid #ffffff14;padding:22px;position:relative}.formula-label{color:#93abaa;font:500 9px var(--font-plex-mono);letter-spacing:1.2px}.formula-card>strong{font:500 25px var(--font-plex-mono);margin-top:18px;display:block}.root-expression{border-top:1px solid #fff;padding:5px 0 0 4px;display:inline-block}.formula-result{color:var(--lime);position:absolute;bottom:20px;right:22px}.formula-result span{font:600 42px var(--font-plex-mono)}.formula-result small{margin-left:5px}.metrics-row{background:#ffffff1a;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:1px;display:grid}.metrics-row div{background:#102f30;padding:18px 10px}.metrics-row small,.metrics-row b{display:block}.metrics-row small{color:#8fa9a8;text-transform:uppercase;font-size:9px}.metrics-row b{font:500 12px var(--font-plex-mono);margin-top:6px}.mini-chart{opacity:.7;align-items:end;gap:8px;height:60px;padding:14px 3px 0;display:flex}.mini-chart span{background:linear-gradient(#bde47b,#bde47b1f);flex:1;max-height:45px}.trust-strip{border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);max-width:1200px;margin:0 auto;padding:32px 24px;display:grid}.trust-strip>div{border-right:1px solid var(--line);align-items:center;gap:15px;padding:3px 7%;display:flex}.trust-strip>div:last-child{border:0}.trust-strip b{color:var(--teal);font:500 14px var(--font-plex-mono)}.trust-strip span,.trust-strip strong,.trust-strip small{display:block}.trust-strip strong{font-size:13px}.trust-strip small{color:var(--muted);margin-top:3px;font-size:11px}.catalog-section{max-width:1240px;margin:0 auto;padding:100px 24px 120px}.section-heading{justify-content:space-between;align-items:end;gap:30px;display:flex}.section-heading h2,.calculation-copy h2,.notes-section h2{letter-spacing:-2.4px;margin:0;font-size:clamp(32px,4vw,52px);line-height:1.05}.search-box{border-bottom:1px solid #aebdb9;align-items:center;gap:10px;width:270px;height:44px;display:flex}.search-box span{color:var(--teal);font-size:25px}.search-box input{width:100%;color:var(--ink);background:0 0;border:0;outline:0;font-size:13px}.category-tabs{gap:8px;margin:40px 0 28px;padding-bottom:3px;display:flex;overflow-x:auto}.category-tabs button{color:#596a6a;cursor:pointer;background:0 0;border:1px solid #d4dfdc;border-radius:50px;flex:none;padding:9px 15px;font-size:11px}.category-tabs button.active{background:var(--ink);color:#fff;border-color:var(--ink)}.method-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.method-card{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;flex-direction:column;min-height:345px;padding:24px 25px 20px;transition:all .25s;display:flex}a.method-card:hover{z-index:1;border-color:#a7c4bd;transform:translateY(-5px);box-shadow:0 18px 35px #193a3917}.method-card.muted{background:#ffffff80}.card-top{justify-content:space-between;align-items:center;display:flex}.method-code{font:500 10px var(--font-plex-mono);color:#7b8e8d}.method-status{color:#84908f;font:500 9px var(--font-plex-mono);text-transform:uppercase;background:#eef1ef;border-radius:20px;padding:5px 9px}.method-status.ready{background:var(--mint);color:var(--teal)}.method-icon{width:43px;height:43px;color:var(--teal);font:500 24px var(--font-plex-mono);border:1px solid #bfd0cd;place-items:center;margin:34px 0 20px;display:grid}.method-category{text-transform:uppercase;letter-spacing:1px;color:var(--teal)!important;font:500 9px var(--font-plex-mono)!important;margin:0 0 8px!important}.method-card h3{letter-spacing:-.45px;margin:0;font-size:19px;line-height:1.35}.method-card>p{color:var(--muted);margin:12px 0 20px;font-size:12px;line-height:1.6}.card-footer{color:#7d8d8c;border-top:1px solid #e7edeb;justify-content:space-between;align-items:center;margin-top:auto;padding-top:14px;font-size:10px;display:flex}.card-footer b{color:var(--teal);font-size:16px}.empty-state{text-align:center;color:var(--muted);padding:60px}footer{color:#cbdad8;background:#102f30;justify-content:space-between;align-items:center;gap:25px;min-height:120px;padding:30px clamp(24px,5vw,76px);font-size:11px;display:flex}footer .brand{color:#fff;font-size:15px}footer .brand i{background:var(--lime);color:var(--ink);width:28px;height:28px;font-size:12px}footer p{color:#89a4a2}.site-header{gap:28px;height:auto;min-height:72px}.spviv-brand{min-width:0}.spviv-brand>span{align-items:baseline;gap:12px;display:flex}.spviv-brand>span>strong{color:var(--ink);letter-spacing:-.35px;font-size:18px}.spviv-brand small{color:var(--muted);letter-spacing:0;font-size:11px;font-weight:500}.compact-navigation{align-items:center;margin-left:auto;display:flex;gap:10px!important}.compact-navigation .calculation-picker{background:var(--teal);color:#fff;border-radius:8px;align-items:center;gap:20px;min-height:40px;padding:0 17px;font-size:12px;font-weight:750;display:inline-flex}.compact-navigation .calculation-picker:hover{background:var(--teal-dark);color:#fff}.compact-navigation .header-action{align-items:center;min-height:40px;display:inline-flex}.spviv-home{background:#f4f6f2}.spviv-intro{grid-template-columns:minmax(0,1fr) minmax(360px,.72fr);align-items:center;gap:clamp(28px,5vw,64px);max-width:1220px;margin:0 auto;padding:34px 24px 30px;display:grid}.spviv-intro h1{letter-spacing:-2.4px;max-width:620px;margin:0;font-size:clamp(30px,3.7vw,46px);font-weight:650;line-height:1.04}.spviv-intro h1 span{color:var(--teal)}.spviv-intro-copy>p:last-child{max-width:650px;color:var(--muted);margin:19px 0 0;font-size:14px;line-height:1.55}.home-search{z-index:5;background:#ffffffe6;border:1px solid #bdcdc8;padding:19px;position:relative;box-shadow:10px 12px #087c7312}.home-search>label{color:var(--teal);font:600 10px var(--font-plex-mono);letter-spacing:.6px;text-transform:uppercase;margin-bottom:8px;display:block}.home-search-field{border-bottom:2px solid var(--teal);background:#f6f9f6;align-items:center;height:48px;display:flex}.home-search-field>span{color:var(--teal);padding-left:14px;font-size:25px}.home-search-field input{min-width:0;color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:0 11px;font-size:12px}.home-search-field button{color:#647572;cursor:pointer;background:0 0;border:0;width:40px;height:40px;font-size:20px}.search-prompt{color:var(--muted);margin:9px 0 0;font-size:10px}.method-search-results{overscroll-behavior:contain;scrollbar-color:var(--teal) #edf2ef;background:#fff;border:1px solid #bdcdc8;border-top:0;max-height:330px;position:absolute;top:calc(100% - 1px);left:-1px;right:-1px;overflow-y:auto;box-shadow:0 18px 30px #17272821}.method-search-results>a,.method-search-results>div{border-top:1px solid #dce5e1;grid-template-columns:minmax(0,1fr) auto;align-items:center;min-height:62px;padding:10px 15px;display:grid}.method-search-results>a:hover{background:#edf5f1}.method-search-results span,.method-search-results strong{text-overflow:ellipsis;white-space:nowrap;grid-column:1;overflow:hidden}.method-search-results span{color:var(--teal);font:500 9px var(--font-plex-mono)}.method-search-results strong{margin-top:4px;font-size:12px}.method-search-results i,.method-search-results em{color:var(--teal);grid-area:1/2/3;margin-left:14px;font-style:normal}.method-search-results em{color:#82908e;font:500 8px var(--font-plex-mono)}.method-search-results>p{color:var(--muted);margin:0;padding:18px;font-size:11px;line-height:1.5}.norm-directory{max-width:1220px;margin:0 auto;padding:24px 24px 64px;scroll-margin-top:24px}.norm-directory-heading{grid-template-columns:minmax(0,1fr) minmax(280px,.55fr);align-items:end;gap:36px;margin-bottom:23px;display:grid}.norm-directory-heading h2{letter-spacing:-2px;max-width:780px;margin:0;font-size:clamp(27px,3.4vw,43px);line-height:1.08}.norm-directory-heading>p{color:var(--muted);margin:0;font-size:11px;line-height:1.6}.norm-directory-table{background:#fff;border:1px solid #bdccc8;grid-template-columns:minmax(280px,.7fr) minmax(0,1.45fr);min-height:458px;display:grid}.norm-document-panel{background:#eef3ef;border-right:1px solid #bdccc8;min-width:0}.norm-document-panel>header,.norm-method-column>header{background:#f8faf7;border-bottom:1px solid #bdccc8;justify-content:space-between;align-items:center;gap:18px;min-height:66px;padding:14px 18px;display:flex}.norm-document-panel h2,.norm-method-column>header h2{margin:0;font-size:17px;line-height:1.25}.norm-document-column{scrollbar-color:var(--teal) #dce5e1;max-height:408px;overflow-y:auto}.norm-document-column button{width:100%;min-height:58px;color:var(--ink);text-align:left;cursor:pointer;background:0 0;border:0;border-bottom:1px solid #cdd9d5;align-items:center;padding:12px 18px;display:flex}.norm-document-column button:hover{background:#e4eee8}.norm-document-column button.active{background:var(--teal);color:#fff;box-shadow:inset 5px 0 var(--lime)}.norm-document-column strong{font:600 13px/1.35 var(--font-manrope)}.norm-document-column span{margin-top:8px;font-size:11px;line-height:1.35}.norm-document-column small{color:#718481;font:500 8px var(--font-plex-mono);text-transform:uppercase;margin-top:auto;padding-top:10px}.norm-document-column button.active small{color:#c9e3dc}.norm-method-column{min-width:0}.norm-method-column>header span{color:var(--teal);font:600 10px var(--font-plex-mono);text-align:right}.section-readiness{grid-template-columns:auto 1fr auto;align-items:center;gap:12px;margin-top:12px;display:grid}.section-readiness strong{color:var(--teal);font:600 9px var(--font-plex-mono);text-transform:uppercase}.section-readiness p{color:var(--muted);margin:0;font-size:9px;line-height:1.45}.section-readiness small{color:#718481;font:500 8px var(--font-plex-mono);text-transform:uppercase}.norm-method-list{scrollbar-color:var(--teal) #edf2ef;max-height:391px;overflow-y:auto}.norm-method-list>a,.norm-method-list>div{border-bottom:1px solid #dce5e2;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:13px;min-height:76px;padding:13px 20px;display:grid}.norm-method-list>a:hover{box-shadow:inset 4px 0 var(--teal);background:#edf5f1}.norm-method-list>.planned{color:#74817f;background:#fbfcfa}.norm-method-list b{color:#9aaba7;font:500 10px var(--font-plex-mono)}.norm-method-list span{min-width:0}.norm-method-list small,.norm-method-list strong{display:block}.norm-method-list small{color:var(--teal);font:500 9px var(--font-plex-mono);margin-bottom:5px}.norm-method-list strong{text-overflow:ellipsis;font-size:13px;line-height:1.35;overflow:hidden}.norm-method-list i{color:var(--teal);font-style:normal}.norm-method-list em{color:#85928f;font:500 8px var(--font-plex-mono);font-style:normal}.norm-directory-empty{color:#879693;place-items:center;min-height:390px;font-size:13px;display:grid}.spviv-footer p{color:#c8d7d5;margin:0}.about-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);max-width:1190px;margin:0 auto 65px;display:grid}.about-grid article{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;min-height:250px;padding:28px}.about-grid h2{margin:0 0 18px;font-size:23px;line-height:1.25}.about-grid article>p:last-child{color:var(--muted);font-size:12px;line-height:1.65}@media (max-width:800px){.site-header{flex-wrap:wrap;gap:10px;padding:12px 18px}.spviv-brand{width:100%}.spviv-brand>span{display:block}.spviv-brand small{margin-top:2px;display:block}.compact-navigation{width:100%}.compact-navigation a{flex:1;justify-content:center}.spviv-intro{grid-template-columns:1fr;gap:30px;padding:35px 18px 31px}.spviv-intro h1{letter-spacing:-2.3px;font-size:42px}.norm-directory{padding:28px 18px 48px}.norm-directory-heading{grid-template-columns:1fr;gap:13px}.norm-directory-table{grid-template-columns:1fr}.norm-document-panel{border-bottom:1px solid #bdccc8;border-right:0}.norm-document-column{max-height:none;overflow-y:visible}.norm-document-column button{min-height:96px}.norm-method-column>header{min-height:100px}.about-grid{grid-template-columns:1fr;margin:0 18px 45px}.spviv-footer{flex-direction:column;align-items:flex-start}}.site-header{min-height:58px;padding-top:8px;padding-bottom:8px}.brand i{border-radius:8px 8px 11px 11px;width:30px;height:30px}.compact-navigation .calculation-picker,.compact-navigation .header-action{min-height:34px;padding-top:0;padding-bottom:0}.eyebrow{margin-bottom:9px}.button{min-height:38px;padding-left:16px;padding-right:16px}.spviv-intro{gap:clamp(18px,2.5vw,32px);padding-top:16px;padding-bottom:12px}.spviv-intro h1{letter-spacing:-1.25px;font-size:clamp(24px,2.5vw,32px);line-height:1.1}.spviv-intro-copy>p:last-child{margin-top:11px;line-height:1.4}.home-search{padding:13px;box-shadow:7px 8px #087c730f}.home-search>label{margin-bottom:5px}.home-search-field{height:41px}.norm-directory{padding-top:12px;padding-bottom:28px}.norm-directory-heading{gap:24px;margin-bottom:13px}.norm-directory-heading h2{font-size:clamp(25px,2.8vw,35px)}.norm-directory-table{min-height:404px}.norm-document-column{max-height:354px}.norm-document-column button{min-height:50px;padding:8px 14px}.norm-document-column span{margin-top:4px}.norm-document-column small{padding-top:5px}.norm-document-panel>header,.norm-method-column>header{min-height:50px;padding:9px 14px}.norm-method-list{max-height:353px}.norm-method-list>a,.norm-method-list>div{gap:9px;min-height:50px;padding:7px 14px}.norm-method-list small{margin-bottom:3px}.spviv-footer{min-height:58px;padding-top:13px;padding-bottom:13px}.calculations-heading{padding-top:38px;padding-bottom:30px}.calculations-heading h1{font-size:clamp(38px,5vw,62px)}.calculations-heading>p:last-child{margin-top:12px;line-height:1.5}.about-grid{margin-bottom:38px}.about-grid article{min-height:190px;padding:20px}.about-grid h2{margin-bottom:10px;font-size:20px}.compact-method-page .method-title-block{gap:11px;padding-top:9px;padding-bottom:8px}.compact-method-page .workbench,.compact-method-page .capacity-workspace{padding-top:8px;padding-bottom:18px}.field-help-popover{margin-top:3px;padding:6px 8px}.compact-method-page .method-visuals>div:first-child>p:last-of-type{line-height:1.4}.compact-method-page .formula-line{margin-top:8px;padding:9px 11px;line-height:1.4}.trace-list li{padding-top:6px;padding-bottom:6px}.final-result-section{margin-top:19px;margin-bottom:28px;padding:15px}.final-result-empty p{margin:4px 0 9px}.final-result-grid b{margin-top:3px}.final-result-note{margin:9px 0;padding:8px 10px}.result-text-block h3{margin-bottom:4px}.flotation-hero{gap:5vw;min-height:235px;padding-top:24px;padding-bottom:25px}.flotation-hero h1{font-size:clamp(38px,5vw,62px)}.flotation-hero>div:first-child>p:last-child{margin-top:12px;line-height:1.45}.flotation-norms{gap:6px;padding:17px;box-shadow:9px 9px #dce9e2}.flotation-norms strong{margin-bottom:3px}.flotation-norms span{padding-top:5px}.float-workspace{margin-top:18px}.float-toolbar{gap:12px;padding:15px 18px}.float-toolbar h2{font-size:21px}.section-tabs button{padding:9px 13px}.float-section{padding:17px}.float-section-title{margin-bottom:12px}.float-input-group{gap:15px;padding:13px 0}.float-fields{gap:9px}.float-fields label{gap:4px}.float-fields input,.float-fields select{min-height:36px}.float-measures{margin-top:6px}.float-measures summary{padding:10px 13px}.float-measures .float-fields{padding-bottom:12px}.float-run{padding:15px 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