@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.relative{position:relative}.start{inset-inline-start:var(--spacing)}.table{display:table}}:root{--paper:#f3f0e8;--paper-deep:#e7e2d8;--ink:#16201e;--muted:#65716d;--green:#103f39;--green-bright:#1d6a5e;--orange:#f36b3c;--orange-soft:#fff0e8;--line:#d3d0c8;--white:#fffefa}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:linear-gradient(#103f3906 1px, transparent 1px), linear-gradient(90deg, #103f3906 1px, transparent 1px), var(--paper);color:var(--ink);background-size:28px 28px;min-width:320px;margin:0;font-family:Arial Narrow,Roboto Condensed,Arial,sans-serif}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid #f36b3c8c}main{overflow:hidden}.site-header,.hero,.calculator-shell,.field-guide,footer{width:min(1180px,100% - 40px);margin-inline:auto}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:82px;display:flex}.brand{color:var(--ink);align-items:center;gap:12px;text-decoration:none;display:inline-flex}.brand-mark{border-left:5px solid var(--orange);border-bottom:5px solid var(--orange);width:36px;height:32px;display:inline-block;position:relative}.brand-mark:after{content:"";background:var(--green);transform-origin:0;width:39px;height:5px;position:absolute;bottom:-4px;left:1px;transform:rotate(-47deg)}.brand>span:last-child{letter-spacing:-.04em;align-items:baseline;font-size:19px;display:flex}.brand strong{font-weight:900}.brand b{background:var(--orange);color:var(--white);letter-spacing:.02em;margin-left:5px;padding:3px 6px 2px;font-size:15px}.header-note{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;align-items:center;gap:8px;font-size:13px;font-weight:800;display:flex}.status-dot{background:#4cae76;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 4px #4cae7626}.hero{grid-template-columns:1.45fr .55fr;align-items:end;gap:60px;padding:62px 0 46px;display:grid}.eyebrow{color:var(--orange);letter-spacing:.15em;margin:0 0 14px;font-size:12px;font-weight:900}.hero h1{letter-spacing:-.065em;text-transform:uppercase;max-width:800px;margin:0;font-size:clamp(44px,6.2vw,82px);font-weight:900;font-stretch:75%;line-height:.94}.hero h1 span{color:var(--green-bright)}.hero-copy{border-left:4px solid var(--orange);color:#4f5b57;margin:0 0 5px;padding-left:24px;font-size:17px;line-height:1.5}.calculator-shell{background:var(--white);border:1px solid #cbc8c0;grid-template-columns:.9fr 1.1fr;min-height:760px;display:grid;box-shadow:0 24px 70px #23302c1f}.control-panel,.result-panel{padding:40px}.control-panel{border-right:1px solid var(--line)}.step-heading{align-items:center;gap:14px;margin-bottom:22px;display:flex}.step-heading>span{background:var(--green);width:34px;height:34px;color:var(--white);border-radius:50%;flex:none;place-items:center;font-size:15px;font-weight:900;display:grid}.step-heading h2,.step-heading p,.result-topline h2{margin:0}.step-heading h2{letter-spacing:-.02em;font-size:21px}.step-heading p{color:var(--muted);margin-top:3px;font-size:13px}.scenario-grid{grid-template-columns:repeat(2,1fr);gap:9px;display:grid}.scenario-card{border:1px solid var(--line);min-height:72px;color:var(--ink);text-align:left;cursor:pointer;background:#faf9f5;border-radius:4px;grid-template-columns:44px 1fr;align-items:center;gap:10px;padding:10px;transition:border-color .15s,background .15s,transform .15s;display:grid}.scenario-card:hover{border-color:#9aaaa4;transform:translateY(-1px)}.scenario-card.is-active{border-color:var(--green);box-shadow:inset 3px 0 var(--orange);background:#edf5f1}.scenario-symbol{background:var(--paper-deep);width:42px;height:42px;color:var(--green);border-radius:3px;place-items:center;font-family:Consolas,monospace;font-size:13px;font-weight:900;display:grid}.scenario-card.is-active .scenario-symbol{background:var(--green);color:#fff}.scenario-card strong,.scenario-card small{display:block}.scenario-card strong{font-size:13px;line-height:1.15}.scenario-card small{color:var(--muted);margin-top:4px;font-size:10px}.measure-block{border-top:1px solid var(--line);margin-top:36px;padding-top:31px}.step-heading.compact{margin-bottom:18px}.input-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.measure-field{display:block}.field-title{align-items:center;gap:9px;margin-bottom:9px;display:flex}.field-title>b{border:1px solid var(--line);width:26px;height:26px;color:var(--orange);place-items:center;font-family:Georgia,serif;display:grid}.field-title strong,.field-title small{display:block}.field-title 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12px}.result-card.primary{border-top:3px solid var(--orange);padding-top:12px}.result-card span,.result-card strong,.result-card small{display:block}.result-card span{min-height:22px;color:var(--muted);letter-spacing:.06em;font-size:8px;font-weight:900}.result-card strong{color:var(--green);letter-spacing:-.06em;text-overflow:ellipsis;font-family:Consolas,Courier New,monospace;font-size:clamp(17px,2vw,24px);overflow:hidden}.result-card small{color:var(--muted);margin-top:2px;font-size:10px}.secondary-results{grid-template-columns:repeat(2,1fr);gap:8px;margin-top:8px;display:grid}.secondary-results>div{background:#e9eee9;justify-content:space-between;align-items:center;gap:10px;padding:11px 14px;display:flex}.secondary-results span{color:var(--muted);letter-spacing:.07em;text-transform:uppercase;font-size:10px;font-weight:900}.secondary-results strong{color:var(--green);font-family:Consolas,Courier New,monospace;font-size:15px}.formula-box{border-left:3px solid var(--orange);background:var(--orange-soft);align-items:center;gap:12px;margin-top:16px;padding:13px 15px;display:flex}.formula-icon{width:36px;height:36px;color:var(--orange);border:1px solid #f36b3c59;flex:none;place-items:center;font-family:Georgia,serif;font-style:italic;font-weight:900;display:grid}.formula-box p,.formula-box strong{margin:0}.formula-box p{color:#916047;letter-spacing:.08em;text-transform:uppercase;font-size:9px;font-weight:900}.formula-box strong{color:#583e31;margin-top:4px;font-family:Consolas,Courier New,monospace;font-size:12px;display:block}.error-state{background:var(--orange-soft);border:1px solid #e5b9a8;justify-content:center;align-items:center;gap:15px;min-height:450px;margin-top:25px;padding:30px;display:flex}.error-state>span{background:var(--orange);color:#fff;border-radius:50%;flex:none;place-items:center;width:42px;height:42px;font-size:25px;font-weight:900;display:grid}.error-state strong{font-size:17px}.error-state p{color:#735445;margin:5px 0 0;font-size:14px}.field-guide{grid-template-columns:.65fr 1.35fr;gap:70px;margin-top:74px;margin-bottom:76px;display:grid}.field-guide h2{letter-spacing:-.045em;text-transform:uppercase;margin:0;font-size:38px}.field-guide ol{grid-template-columns:repeat(3,1fr);gap:22px;margin:0;padding:0;list-style:none;display:grid}.field-guide li{border-top:3px solid var(--green);padding-top:15px}.field-guide li>span{color:var(--orange);font-family:Consolas,monospace;font-size:12px;font-weight:900}.field-guide li p{color:var(--muted);margin:10px 0 0;font-size:13px;line-height:1.45}.field-guide li strong{color:var(--ink)}footer{border-top:1px solid var(--line);min-height:95px;color:var(--muted);grid-template-columns:auto 1fr auto;align-items:center;gap:35px;font-size:11px;display:grid}.footer-brand{transform-origin:0;transform:scale(.85)}footer p{text-align:center;margin:0}footer>span{text-transform:uppercase;letter-spacing:.09em;font-weight:900}@media 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10px}.diagram-card{padding-inline:8px}.triangle-stage{margin-inline:-35px;transform:scale(.8)}.label-height{right:-8px}.result-grid{grid-template-columns:repeat(2,1fr)}.secondary-results{grid-template-columns:1fr}.formula-box strong{font-size:10px}.field-guide{margin-top:52px;margin-bottom:55px}.field-guide ol{grid-template-columns:1fr;gap:17px}footer{text-align:center;grid-template-columns:1fr;justify-items:center;gap:14px;padding:28px 0}.footer-brand{transform-origin:50%}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}