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:root{--link-primary:#0f3e3a;--link-primary-hover:#0c3431;--link-primary-pressed:#092927;--link-primary-light:#e6f1ef;--link-focus-ring:#4f8f88;--link-background:#f5f7f8;--link-surface:#fff;--link-surface-subtle:#edf1f3;--link-surface-raised:#fff;--link-surface-nested:#e3e8eb;--link-surface-inverse:#121617;--link-text:#101314;--link-text-secondary:#3a4245;--link-text-muted:#6b7478;--link-text-on-accent:#fff;--link-text-inverse:#f5f7f8;--link-icon:#3a4245;--link-icon-muted:#6b7478;--link-border:#d3d9dc;--link-border-light:#e3e8eb;--link-divider:#e3e8eb;--link-success:#16a34a;--link-success-bg:#ecfdf5;--link-warning:#d97706;--link-warning-bg:#fffbeb;--link-danger:#dc2626;--link-danger-bg:#fef2f2;--link-info:#0f3e3a;--link-info-bg:#e6f1ef;--link-status-new:#0f3e3a;--link-status-new-bg:#e6f1ef;--link-font-stat-lg:30px;--link-font-display:26px;--link-font-stat:22px;--link-font-heading:19px;--link-font-title:17px;--link-font-subheading:17px;--link-font-body:16px;--link-font-body-sm:15px;--link-font-caption:14px;--link-font-micro:13px;--link-radius:12px;--link-radius-sm:8px;--link-radius-badge:9999px;--link-shadow-color:rgba(18,22,23,.1);--link-shadow-card:0 1px 3px 0 var(--link-shadow-color),0 1px 2px -1px rgba(18,22,23,.03);--link-shadow-card-hover:0 4px 12px 0 rgba(18,22,23,.07),0 2px 4px -1px rgba(18,22,23,.04);--link-shadow-dropdown:0 10px 25px -5px rgba(18,22,23,.1),0 8px 10px -6px rgba(18,22,23,.05);--link-chart-line:#0f3e3a;--link-chart-line-rgb:15,62,58;--link-chart-line-light:#4f8f88;--link-chart-fill:rgba(15,62,58,.08);--link-chart-point:#0f3e3a;--link-chart-tick:#3a4245;--link-chart-grid:#e3e8eb;--link-chart-axis:#7a858a;--link-chart-muted:#c7d0d3;--link-chart-success:#16a34a;--link-chart-success-rgb:22,163,74;--link-chart-danger:#dc2626;--link-chart-series-1:#0f3e3a;--link-chart-series-2:#445558;--link-chart-series-3:#7c8c90;--link-chart-series-4:#c7d0d3;--link-row-hover:#eef3f2;--link-row-selected:#e6f1ef;--link-row-stripe:#fafbfb;--link-input-bg:#fff;--link-input-border:#d3d9dc;--link-input-border-focus:#0f3e3a;--link-input-placeholder:#7a858a;--link-skeleton-base:#d3d9dc;--link-skeleton-shine:#e3e8eb}
:root{--surface-ground:var(--link-background);--surface-card:var(--link-surface);--surface-overlay:var(--link-surface);--surface-900:var(--link-text);--text-color:var(--link-text);--primary-color:var(--link-primary);--font-family:var(--font-inter),ui-sans-serif,system-ui,sans-serif}html{scroll-behavior:smooth;height:100%}body{min-height:100%;font-family:var(--font-family);font-size:var(--link-font-body);color:var(--link-text);background-color:var(--link-background);-webkit-font-smoothing:antialiased;margin:0}*{box-sizing:border-box}.layout-wrapper{min-height:100vh}.layout-topbar{z-index:997;background-color:var(--surface-card);border-bottom:1px solid var(--link-divider);align-items:center;width:100%;height:5rem;padding:0 2rem;display:flex;position:fixed;top:0;left:0;box-shadow:0 1px 3px rgba(0,0,0,.06)}.layout-topbar-logo{color:var(--surface-900);font-size:var(--link-font-heading);border-radius:var(--link-radius);align-items:center;font-weight:500;display:flex}.layout-topbar-logo img{width:auto;height:2.625rem}.layout-topbar-logo:focus-visible{outline:2px solid var(--link-focus-ring);outline-offset:2px}.layout-topbar-menu{align-items:center;gap:.75rem;margin:0 0 0 auto;padding:0;list-style:none;display:flex}.layout-main-container{flex-direction:column;justify-content:space-between;min-height:100vh;padding:7rem 2rem 2rem 3rem;transition:margin-left .2s;display:flex}.layout-main{flex:auto;padding-bottom:2rem}@media (max-width:768px){.layout-topbar{padding:0 1rem}.layout-main-container{padding:6.5rem 1rem 1.5rem}}@media (min-width:992px){.layout-wrapper.layout-static .layout-main-container{margin-left:220px}}.layout-sidebar{z-index:999;-webkit-user-select:none;-moz-user-select:none;user-select:none;background-color:var(--surface-overlay);border:1px solid var(--link-border-light,#e3e8eb);border-radius:12px;width:220px;height:calc(100vh - 9rem);padding:.625rem .75rem;transition:transform .2s,left .2s;position:fixed;top:7rem;left:2rem;overflow-y:auto;box-shadow:0 1px 3px rgba(0,0,0,.04)}.layout-menu{-webkit-user-select:none;-moz-user-select:none;user-select:none;margin:0;padding:0;list-style-type:none}.layout-menu .layout-root-menuitem>.layout-menuitem-root-text{font-size:var(--link-font-body-sm);text-transform:none;color:var(--link-text-muted);letter-spacing:.01em;margin:.875rem 0 .5rem;padding:0 .5rem;font-weight:600}.layout-menu .layout-root-menuitem:first-child>.layout-menuitem-root-text{margin-top:.25rem}.layout-menu .layout-root-menuitem>a{display:none}.layout-menu li.active-menuitem>a .layout-submenu-toggler{transform:rotate(-180deg)}.layout-menu .layout-root-menuitem>ul{margin:0;padding:0;list-style-type:none;overflow:visible;max-height:1000px!important}.layout-menu ul{margin:0;padding:0;list-style-type:none}.layout-menu ul a{color:var(--link-text-secondary);cursor:pointer;font-size:var(--link-font-body);border-radius:8px;outline:0;align-items:center;margin-bottom:2px;padding:.625rem .75rem;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex;position:relative}.layout-menu ul a .layout-menuitem-icon{opacity:.75;flex-shrink:0;margin-right:.625rem;font-size:1rem}.layout-menu ul a .layout-menuitem-text{line-height:1.3}.layout-menu ul a.active-route{color:var(--link-primary);background-color:var(--link-primary-light);font-weight:600}.layout-menu ul a.active-route .layout-menuitem-icon{opacity:1;color:var(--link-primary)}.layout-menu ul a:hover{background-color:var(--link-surface-subtle);color:var(--link-text)}.layout-menu ul a:focus-visible{outline:2px solid var(--link-focus-ring);outline-offset:2px}.layout-menu ul ul{border-radius:12px;max-height:0;overflow:hidden}@media (max-width:991px){.layout-wrapper.fuel-sim-page .layout-sidebar{z-index:1;width:100%;height:auto;max-height:none;margin:0 0 1rem;position:static;top:auto;left:auto;transform:none}.layout-wrapper.fuel-sim-page.layout-static 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.15s;display:inline-flex}.link-btn:disabled{opacity:.55;cursor:not-allowed}.link-btn--primary{background:var(--link-primary);color:var(--link-text-on-accent)}.link-btn--primary:hover:not(:disabled){background:var(--link-primary-hover)}.link-btn--secondary{background:var(--link-surface);color:var(--link-text-secondary);border-color:var(--link-border)}.link-btn--secondary:hover:not(:disabled){background:var(--link-surface-subtle)}.link-btn--ghost{color:var(--link-primary);background:0 0}.link-btn--ghost:hover:not(:disabled){background:var(--link-primary-light)}.link-btn--danger-ghost{color:var(--link-danger);background:0 0}.link-btn--danger-ghost:hover:not(:disabled){background:var(--link-danger-bg)}.link-field{text-align:left;flex-direction:column;gap:.35rem;display:flex}.link-field-label{font-size:var(--link-font-caption);color:var(--link-text-secondary);font-weight:600}.link-input,.link-select{border-radius:var(--link-radius-sm);border:1px solid var(--link-input-border);background:var(--link-input-bg);width:100%;min-height:2.5rem;color:var(--link-text);font-size:var(--link-font-body-sm);padding:.5rem .75rem;font-family:inherit}.link-input:focus,.link-select:focus{border-color:var(--link-input-border-focus);outline:none;box-shadow:0 0 0 2px rgba(15,62,58,.15)}.link-form-card{background:var(--link-surface);border:1px solid var(--link-border-light);border-radius:var(--link-radius);box-shadow:var(--link-shadow-card);max-width:22rem;padding:1.75rem}.link-alert{font-size:var(--link-font-caption);color:var(--link-danger);margin:0 0 .75rem}.link-card{background:var(--link-surface);border:1px solid var(--link-border-light);border-radius:var(--link-radius);box-shadow:var(--link-shadow-card);padding:1.25rem 1.5rem}.link-card--nested{background:var(--link-surface-subtle);border-radius:var(--link-radius-sm);border:1px solid var(--link-border-light);padding:1rem}.program-grid{flex-direction:column;gap:.85rem;display:flex}.program-row{grid-template-columns:1fr minmax(8rem,10rem) minmax(0,1fr) auto;align-items:start;gap:.75rem;display:grid}@media (max-width:900px){.program-row{grid-template-columns:1fr}}.product-pick{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.product-pick-btn{border-radius:var(--link-radius-sm);border:1px solid var(--link-border-light);background:var(--link-surface);cursor:pointer;flex-direction:column;align-items:center;gap:.2rem;width:4.25rem;padding:.4rem .35rem;transition:border-color .15s,box-shadow .15s,background .15s;display:flex}.product-pick-btn img{object-fit:contain;border-radius:6px;width:2rem;height:2rem}.product-pick-btn span{font-size:var(--link-font-micro);color:var(--link-text-muted);text-align:center;line-height:1.2}.product-pick-btn:hover{border-color:var(--link-border);background:var(--link-row-hover)}.product-pick-btn.is-selected{border-color:var(--link-primary);background:var(--link-primary-light);box-shadow:0 0 0 2px rgba(15,62,58,.2)}.program-kind-badge{border-radius:var(--link-radius-badge);font-size:var(--link-font-micro);background:var(--link-surface-nested);color:var(--link-text-secondary);align-items:center;padding:.15rem .5rem;font-weight:600;display:inline-flex}.program-kind-badge--test{background:var(--link-warning-bg);color:var(--link-warning)}.program-kind-badge--pilot{background:var(--link-info-bg);color:var(--link-info)}.program-kind-badge--production{background:var(--link-success-bg);color:var(--link-success)}.program-kind-badge--partnership{color:#5b21b6;background:#ede9fe}.fuel-table-wrap{border-radius:var(--link-radius);border:1px solid var(--link-border-light);background:var(--link-surface);box-shadow:var(--link-shadow-card);overflow:auto}.fuel-table{border-collapse:collapse;width:100%;font-size:var(--link-font-body-sm);min-width:720px}.fuel-table th,.fuel-table td{text-align:right;border-bottom:1px solid var(--link-divider);vertical-align:middle;padding:.6rem .85rem}.fuel-table th:first-child,.fuel-table td:first-child,.fuel-table th:nth-child(2),.fuel-table td:nth-child(2){text-align:left}.fuel-table thead tr:first-child th{font-size:var(--link-font-caption);letter-spacing:.02em;text-transform:uppercase;border-bottom:none;padding-bottom:.35rem;font-weight:700}.fuel-table thead tr:last-child th{font-size:var(--link-font-micro);color:var(--link-text-muted);background:var(--link-surface-subtle);font-weight:600}.fuel-table tbody tr:hover td{background:var(--link-row-hover)}.fuel-table tbody td{color:var(--link-text)}.fuel-prog-head-a{border-left:1px solid var(--link-border-light);background:var(--link-info-bg)!important;color:var(--link-primary)!important}.fuel-prog-band-a{background:rgba(15,62,58,.06)}.fuel-prog-head-b{border-left:1px solid var(--link-border-light);color:#2f3a5c!important;background:#e8edf7!important}.fuel-prog-band-b{background:rgba(74,90,140,.08)}.fuel-table thead tr:last-child th.fuel-prog-band-a{background:rgba(15,62,58,.06)!important}.fuel-table thead tr:last-child th.fuel-prog-band-b{background:rgba(74,90,140,.08)!important}.fuel-th-price{opacity:.88;font-size:.92em;font-weight:500}.fuel-tier-select{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem 1.5rem;margin:1.25rem 0;display:grid}@media (min-width:900px){.fuel-tier-select{grid-template-columns:repeat(4,minmax(0,1fr));gap:1.25rem 1.75rem}}@media (max-width:520px){.fuel-tier-select{grid-template-columns:1fr;gap:1rem}}.fuel-tier-option{border-radius:var(--link-radius);border:1px solid var(--link-border-light);background:var(--link-surface);cursor:pointer;text-align:left;flex-direction:column;align-items:flex-start;gap:.35rem;padding:.9rem 1rem;font-family:inherit;transition:border-color .15s,background .15s,box-shadow .15s;display:flex}.fuel-tier-option:hover{border-color:var(--link-border);background:var(--link-surface-subtle)}.fuel-tier-option:focus-visible{outline:2px solid var(--link-focus-ring);outline-offset:2px}.fuel-tier-option.is-selected{border-color:var(--link-primary);background:var(--link-primary-light);box-shadow:0 0 0 1px rgba(15,62,58,.35)}.fuel-tier-option-title{font-size:var(--link-font-body);color:var(--link-text);letter-spacing:-.01em;font-weight:700}.fuel-tier-option.is-selected .fuel-tier-option-title{color:var(--link-primary)}.fuel-tier-option-body{font-size:var(--link-font-caption);color:var(--link-text-secondary);line-height:1.45}.fuel-curve-preview{font-size:var(--link-font-caption);color:var(--link-text-muted);font-variant-numeric:tabular-nums;margin:0 0 1rem}.fuel-custom-ladder{border-radius:var(--link-radius);border:1px solid var(--link-border-light);background:var(--link-surface-subtle);margin:0 0 1.25rem;padding:1rem}.fuel-custom-ladder-label{font-size:var(--link-font-caption);color:var(--link-text-secondary);margin:0 0 .75rem;line-height:1.45}.fuel-custom-ladder-grid{grid-template-columns:repeat(auto-fill,minmax(11rem,1fr));gap:.75rem 1rem;display:grid}.fuel-charts-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;margin-top:.25rem;display:grid}@media (max-width:900px){.fuel-charts-grid{grid-template-columns:1fr}}.fuel-chart-card{border:1px solid var(--link-border-light);border-radius:var(--link-radius);background:var(--link-surface);box-shadow:var(--link-shadow-card);padding:1rem 1rem .35rem}.fuel-chart-title{font-size:var(--link-font-body);color:var(--link-text);margin:0 0 .15rem;font-weight:600}.fuel-chart-sub{font-size:var(--link-font-micro);color:var(--link-text-muted);margin:0 0 .5rem;line-height:1.4}.fuel-chart-canvas{width:100%;height:300px}.fuel-program-econ{border-top:1px solid var(--link-border-light);grid-template-columns:1fr 1fr;gap:1rem;margin-top:.75rem;padding-top:.75rem;display:grid}@media (max-width:900px){.fuel-program-econ{grid-template-columns:1fr}}.fuel-table--breakdown{min-width:44rem}.fuel-breakdown-split{color:var(--link-text-muted);font-weight:500}.fuel-nowrap{white-space:nowrap}.fuel-table .fuel-total-head{border-left:2px solid var(--link-border);background:var(--link-surface-nested)!important;color:var(--link-text)!important}.fuel-table .fuel-total-sub{color:var(--link-text-muted);border-left:1px solid var(--link-border-light);background:rgba(16,19,34,.06)!important}.fuel-table thead tr:last-child th.fuel-total-sub{background:rgba(16,19,34,.06)!important}.fuel-table .fuel-total-cell{border-left:2px solid var(--link-border);background:rgba(16,19,34,.035);font-weight:600}.fuel-table tbody tr:hover td.fuel-total-cell{background:rgba(16,19,34,.055)}.fuel-table .th-dim{color:var(--link-text-muted);text-transform:none;letter-spacing:normal;font-weight:500}.link-footer{border-top:1px solid var(--link-divider);margin-top:2rem;padding-top:1.5rem}.link-footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:1.5rem;max-width:72rem;margin:0 auto;display:flex}.link-footer-legal{flex-wrap:wrap;gap:1rem;display:flex}.link-footer-copy{font-size:var(--link-font-caption);color:var(--link-text-muted);max-width:36rem;margin:0;line-height:1.5}.link-footer-meta{font-size:var(--link-font-micro);color:var(--link-text-muted)}.fuel-input-grid{grid-template-columns:repeat(auto-fill,minmax(13.5rem,1fr));gap:1rem;display:grid}.fuel-derive-grid{grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:1rem;display:grid}.stat-pill-value{font-size:var(--link-font-stat);color:var(--link-text);letter-spacing:-.02em;font-weight:700}.stat-pill-label{font-size:var(--link-font-caption);color:var(--link-text-muted);font-weight:600}.legal-doc{text-align:left;max-width:42rem;margin:0 auto}.legal-doc h2{font-size:var(--link-font-title);color:var(--link-text);margin:2rem 0 .65rem;font-weight:600}.legal-doc p,.legal-doc li{font-size:var(--link-font-body-sm);color:var(--link-text-secondary);margin:0 0 .85rem;line-height:1.6}.legal-doc ul{margin:0 0 1rem;padding-left:1.25rem}.legal-doc strong{color:var(--link-text)}.layout-topbar-menu li{align-items:center;list-style:none;display:flex}.login-page{background:linear-gradient(135deg,var(--link-background)0%,#e8edf5 100%);justify-content:center;align-items:center;min-height:100vh;padding:1.5rem 1rem 2rem;display:flex}.login-page-inner{width:100%;max-width:28rem}.login-logo-wrap{text-align:center;margin-bottom:1.25rem}.login-logo-img{width:auto;height:3.5rem;margin-left:auto;margin-right:auto;display:block}.login-card{background:var(--link-surface);border-radius:var(--link-radius);box-shadow:var(--link-shadow-card);padding:2rem}.login-title{font-size:var(--link-font-display);color:var(--link-text);text-align:center;letter-spacing:-.02em;margin:0 0 .35rem;font-weight:600}.login-subtitle{font-size:var(--link-font-body-sm);color:var(--link-text-secondary);text-align:center;margin:0 0 1.5rem;line-height:1.5}.login-banner-error{font-size:var(--link-font-caption);color:var(--link-danger);background:var(--link-danger-bg);border-radius:var(--link-radius-sm);border:1px solid rgba(220,38,38,.2);margin-bottom:1rem;padding:.75rem 1rem}.login-foot{text-align:center;font-size:var(--link-font-caption);color:var(--link-text-muted);margin:1.5rem 0 0}.login-foot a{color:var(--link-primary);font-weight:500;text-decoration:none}.login-foot a:hover{text-decoration:underline}.login-field-label{font-size:var(--link-font-caption);color:var(--link-text-secondary);margin-bottom:.35rem;font-weight:500;display:block}.login-input{border-radius:var(--link-radius-sm);border:1px solid var(--link-input-border);background:var(--link-input-bg);width:100%;min-height:2.75rem;color:var(--link-text);font-size:var(--link-font-body-sm);padding:.75rem 1rem;font-family:inherit}.login-input:focus{border-color:var(--link-input-border-focus);outline:none;box-shadow:0 0 0 2px rgba(15,62,58,.12)}.login-submit{width:100%;font-size:var(--link-font-body-sm);color:var(--link-text-on-accent);background:var(--link-primary);border-radius:var(--link-radius-sm);cursor:pointer;border:none;margin-top:1rem;padding:.75rem 1rem;font-family:inherit;font-weight:600;transition:opacity .15s,transform .1s}.login-submit:hover:not(:disabled){opacity:.92}.login-submit:active:not(:disabled){transform:scale(.99)}.login-submit:disabled{opacity:.55;cursor:not-allowed}.login-continue{text-align:center;font-size:var(--link-font-caption);color:var(--link-text-muted);margin:1rem 0 0}.login-continue a{color:var(--link-primary);font-weight:500}.fuel-main-inner{max-width:72rem;margin:0 auto}.fuel-hero{border-bottom:1px solid var(--link-divider);margin-bottom:2rem;padding-bottom:1.5rem;scroll-margin-top:6.5rem}.fuel-hero h1{font-size:var(--link-font-display);letter-spacing:-.02em;color:var(--link-text);margin:0 0 .35rem;font-weight:600}.fuel-section{border-bottom:1px solid var(--link-divider);margin-bottom:2rem;padding-bottom:2rem;scroll-margin-top:6.5rem}.fuel-section:last-of-type{border-bottom:none;margin-bottom:0}.fuel-section-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1rem;display:flex}.fuel-section-title{font-size:var(--link-font-heading);color:var(--link-text);margin:0;font-weight:600}.fuel-section-actions{flex-wrap:wrap;gap:.5rem;display:flex}.fuel-program-simple{border:1px solid var(--link-border-light);border-radius:var(--link-radius);background:var(--link-surface);box-shadow:var(--link-shadow-card);padding:1rem 1.1rem}.fuel-program-simple-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.65rem;display:flex}.fuel-program-simple-title{font-size:var(--link-font-body-sm);color:var(--link-text);font-weight:700}.fuel-program-simple-mix-pill{font-size:var(--link-font-micro);color:var(--link-primary);background:var(--link-primary-light);border-radius:var(--link-radius-badge);padding:.2rem .55rem;font-weight:600}.fuel-program-block--advanced{border:1px solid var(--link-border-light);border-radius:var(--link-radius);background:var(--link-surface);box-shadow:var(--link-shadow-card);padding:1rem 1.1rem}.fuel-advanced-toggle{font-family:inherit;font-size:var(--link-font-caption);color:var(--link-primary);background:var(--link-surface);border:1px solid var(--link-border-light);border-radius:var(--link-radius-sm);cursor:pointer;padding:.45rem .85rem;font-weight:600;transition:background .15s,border-color .15s}.fuel-advanced-toggle:hover{background:var(--link-primary-light);border-color:var(--link-primary)}.fuel-advanced-toggle:focus-visible{outline:2px solid var(--link-focus-ring);outline-offset:2px}.fuel-stats-row{flex-wrap:wrap;gap:1.5rem;margin-top:1.25rem;display:flex}.fuel-stat{min-width:10rem}.fuel-stat-label{font-size:var(--link-font-caption);color:var(--link-text-muted);font-weight:600}.fuel-stat-value{font-size:var(--link-font-stat);color:var(--link-text);letter-spacing:-.02em;font-weight:700}.fuel-table-hint{font-size:var(--link-font-micro);color:var(--link-text-muted);margin:0 0 .75rem}.link-slider-row{flex-direction:column;gap:.35rem;display:flex}.link-slider-header{justify-content:space-between;align-items:baseline;gap:.75rem;display:flex}.link-slider-value{font-size:var(--link-font-caption);color:var(--link-text);font-variant-numeric:tabular-nums;flex-shrink:0;font-weight:600}input[type=range].link-slider{width:100%;height:.375rem;accent-color:var(--link-primary);cursor:pointer;border-radius:3px}.sonara-product-lock{border-radius:var(--link-radius-sm);background:var(--link-surface-subtle);border:1px solid var(--link-border-light);align-items:center;gap:.5rem;padding:.4rem .7rem;display:inline-flex}.sonara-product-lock-icon{border-radius:8px;flex-shrink:0}.sonara-product-lock span{font-size:var(--link-font-body-sm);color:var(--link-text);font-weight:600}