/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial}}}@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 Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, 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{.fixed{position:fixed}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.hidden{display:none}.inline-block{display:inline-block}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.rounded{border-radius:.25rem}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}:root{--brand-ink:#0f1d22;--brand-paper:#f4f0e7;--brand-paper-deep:#e9e3d6;--brand-white:#fffdf8;--brand-ink-soft:#4a585c;--tool-accent:#f35b38;--tool-accent-strong:#b9361d;--tool-support:#c8e7dc;--state-success:#216e54;--state-success-soft:#dceee7;--state-warning:#8b5a0a;--state-warning-soft:#f8e8bd;--state-error:#a92d2d;--state-error-soft:#f8dddd;--state-focus:#176b87;--state-disabled:#747d80;--border-subtle:#0f1d222e;--border-inverse:#fffdf833;--surface-inverse-raised:#18282e;--font-sans:var(--font-geist-sans), Arial, sans-serif;--font-mono:var(--font-geist-mono), monospace;--font-editorial:Georgia, "Times New Roman", serif;--text-xs:.625rem;--text-sm:.75rem;--text-body:1rem;--text-lede:clamp(1.0625rem, 1.5vw, 1.375rem);--text-section:clamp(2.125rem, 4.5vw, 3.875rem);--text-display:clamp(3.375rem, 7.7vw, 7.125rem);--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--radius-control:0;--radius-pill:999px;--shadow-offset-sm:6px 6px 0 var(--brand-ink);--shadow-offset-lg:10px 10px 0 var(--brand-ink);--transition-fast:.16s ease;--ink:var(--brand-ink);--ink-soft:var(--brand-ink-soft);--paper:var(--brand-paper);--paper-deep:var(--brand-paper-deep);--white:var(--brand-white);--signal:var(--tool-accent);--signal-dark:var(--tool-accent-strong);--mint:var(--tool-support);--line:var(--border-subtle)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font-family:var(--font-sans);margin:0}button,input{font:inherit}button{transition:transform .1s}button:not(:disabled):active{transform:translateY(1px)scale(.99)}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}:focus-visible{outline:3px solid var(--state-focus);outline-offset:3px}.theme-frame{background:var(--paper);color:var(--ink);min-height:100vh}.site-header{border-bottom:1px solid var(--line);grid-template-columns:1fr auto 1fr;align-items:center;max-width:1440px;margin:0 auto;padding:20px 4vw;display:grid}.wordmark{letter-spacing:-.03em;align-items:center;gap:10px;font-size:17px;font-weight:720;text-decoration:none;display:inline-flex}.wordmark-mark{background:var(--ink);color:var(--white);font-family:var(--font-geist-mono), monospace;letter-spacing:-.06em;justify-content:center;align-items:center;width:30px;height:30px;font-size:10px;display:inline-flex}.site-header nav{gap:28px;font-size:13px;display:flex}.site-header nav a{text-decoration:none}.site-header nav a:hover{color:var(--signal)}.preview-pill,.status-pill{border:1px solid var(--line);border-radius:var(--radius-pill);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;justify-self:end;padding:7px 10px;font-size:10px}.status-success{background:var(--state-success-soft);border-color:var(--state-success);color:var(--state-success)}.status-warning{background:var(--state-warning-soft);border-color:var(--state-warning);color:var(--state-warning)}.status-error{background:var(--state-error-soft);border-color:var(--state-error);color:var(--state-error)}.status-loading:before{content:"";background:currentColor;border-radius:50%;width:6px;height:6px;margin-right:7px;animation:1.2s ease-in-out infinite status-pulse;display:inline-block}@keyframes status-pulse{50%{opacity:.3}}.hero{grid-template-columns:minmax(0,1fr) 330px;gap:7vw;max-width:1440px;min-height:620px;margin:0 auto;padding:96px 6vw 88px;display:grid}.eyebrow,.section-kicker{color:var(--signal-dark);font-family:var(--font-geist-mono), monospace;letter-spacing:.12em;text-transform:uppercase;margin:0 0 22px;font-size:11px;font-weight:650}.hero h1{letter-spacing:-.075em;max-width:990px;margin:0;font-size:clamp(54px,7.7vw,114px);font-weight:620;line-height:.9}.hero h1 em{color:var(--signal);font-family:var(--font-editorial);font-weight:400}.hero-lede{color:var(--ink-soft);max-width:680px;margin:42px 0 30px;font-size:clamp(17px,1.5vw,22px);line-height:1.55}.trust-row{font-family:var(--font-geist-mono), monospace;text-transform:uppercase;flex-wrap:wrap;gap:20px;font-size:11px;display:flex}.trust-row span:before{color:var(--signal);content:"●";margin-right:8px;font-size:7px}.hero-note{background:var(--mint);border:1px solid var(--ink);box-shadow:var(--shadow-offset-lg);align-self:end;padding:26px;transform:rotate(1.5deg)}.note-index{font-family:var(--font-geist-mono), monospace;font-size:11px}.hero-note p{margin:34px 0 16px;font-size:15px;line-height:1.5}.mini-equation{border-bottom:1px solid var(--ink);border-top:1px solid var(--ink);font-family:var(--font-geist-mono), monospace;gap:12px;padding:18px 0;font-size:12px;display:grid}.mini-equation b{color:var(--signal-dark)}.hero-note .note-result{margin:17px 0 0;font-size:13px}.guide-section,.examples-section,.faq-section{max-width:1320px;margin:0 auto;padding:100px 4vw}.guide-section{border-top:1px solid var(--line)}.guide-intro{grid-template-columns:minmax(220px,.7fr) minmax(0,1.3fr);gap:42px;display:grid}.guide-intro .section-kicker{grid-column:1}.guide-intro h2,.section-heading-row h2,.faq-intro h2{font-size:var(--text-section);letter-spacing:-.055em;margin:0;font-weight:590;line-height:1}.guide-intro h2{grid-column:1}.guide-answer{color:var(--ink-soft);letter-spacing:-.025em;grid-area:1/2/span 2;margin:0;font-size:clamp(20px,2.1vw,30px);line-height:1.45}.formula-card{background:var(--mint);border:1px solid var(--ink);box-shadow:var(--shadow-offset-sm);grid-column:2;gap:12px;padding:22px;display:grid}.formula-card code,.rule-table code,.example-math{font-family:var(--font-geist-mono), monospace}.formula-card code{font-size:13px;line-height:1.5}.rule-table-block{margin-top:100px}.section-heading-row{grid-template-columns:1.2fr .8fr;align-items:end;gap:8vw;display:grid}.section-heading-row>p{color:var(--ink-soft);margin:0;line-height:1.6}.rule-table-wrap{border:1px solid var(--line);margin-top:42px;overflow-x:auto}.rule-table-wrap:focus-visible{outline-offset:5px}.rule-table{border-collapse:collapse;width:100%;min-width:940px}.rule-table th,.rule-table td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:18px;line-height:1.45}.rule-table thead th{background:var(--paper-deep);color:var(--ink-soft);font-family:var(--font-geist-mono), monospace;letter-spacing:.06em;text-transform:uppercase;font-size:10px}.rule-table tbody th{width:145px;font-size:14px}.rule-table tbody td{color:var(--ink-soft);font-size:12px}.rule-table tbody tr:last-child th,.rule-table tbody tr:last-child td{border-bottom:0}.rule-table a{color:var(--signal-dark);text-underline-offset:3px}.calculator-shell{background:var(--ink);color:var(--white);padding:82px max(4vw,50vw - 660px)}.calculator-heading{justify-content:space-between;align-items:end;margin-bottom:36px;display:flex}.calculator-heading .section-kicker{color:#ff9176;margin-bottom:12px}.calculator-heading h2,.method-intro h2,.source-section h2{font-size:var(--text-section);letter-spacing:-.055em;margin:0;font-weight:590;line-height:1}.unit-toggle{background:#ffffff14;border:1px solid #ffffff29;padding:4px;display:flex}.unit-toggle button{color:#ffffffa6;cursor:pointer;background:0 0;border:0;padding:10px 15px;font-size:12px}.unit-toggle button.active{background:var(--white);color:var(--ink)}.calculator-grid{grid-template-columns:minmax(0,1.6fr) minmax(310px,.75fr);align-items:start;gap:22px;display:grid}.input-panel{background:#18282e;border:1px solid #ffffff21;padding:28px}fieldset{border:0;min-width:0;margin:0;padding:0}.carrier-fieldset legend,.custom-divisor>span{color:#ffffffa6;font-family:var(--font-geist-mono), monospace;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px;font-size:10px}.carrier-options{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.carrier{color:var(--white);cursor:pointer;text-align:left;background:#ffffff0b;border:1px solid #ffffff21;min-height:72px;padding:12px}.carrier span{font-size:12px;font-weight:650;display:block}.carrier small{color:#ffffff7a;font-family:var(--font-geist-mono), monospace;margin-top:6px;font-size:9px;line-height:1.35;display:block}.carrier.active{background:var(--signal);border-color:var(--signal);color:var(--ink)}.carrier.active small{color:#0f1d22c7}.custom-divisor{max-width:220px;margin-top:18px;display:block}.custom-divisor>span{display:block}.package-list{gap:12px;margin-top:26px;display:grid}.package-card{background:var(--white);color:var(--ink);padding:22px}.package-card-header{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.package-card legend{font-size:15px;font-weight:700}.remove-button{color:var(--signal-dark);cursor:pointer;background:0 0;border:0;font-size:11px;text-decoration:underline}.dimension-grid,.weight-grid{gap:12px;display:grid}.dimension-grid{grid-template-columns:repeat(3,1fr)}.weight-grid{grid-template-columns:2fr 1fr;margin-top:12px}label span{color:var(--ink-soft);font-family:var(--font-geist-mono), monospace;letter-spacing:.02em;text-transform:uppercase;margin-bottom:7px;font-size:9px;display:block}input{color:var(--ink);background:0 0;border:0;border-bottom:1px solid #0f1d224d;border-radius:0;outline:none;width:100%;padding:8px 0;font-size:18px;font-weight:600}input:focus{border-bottom-color:var(--signal)}input:disabled{color:var(--state-disabled);cursor:not-allowed;opacity:.68}.field-message{color:var(--state-error);font-family:var(--font-mono);margin-top:7px;font-size:10px;display:block}.field-error input,input[aria-invalid=true]{border-bottom-color:var(--state-error)}.field.is-focus input{border-bottom-color:var(--state-focus);box-shadow:0 3px 0 -1px var(--state-focus)}.custom-divisor input{color:var(--white);border:1px solid #fff3;padding:10px 12px}.add-package{color:#ffffffbf;cursor:pointer;background:0 0;border:1px dashed #ffffff40;width:100%;margin-top:12px;padding:14px}.add-package span{color:#ff9176;margin-right:7px;font-size:18px}.result-panel{background:var(--signal-dark);color:var(--white);padding:30px;position:sticky;top:20px}.result-label{font-family:var(--font-geist-mono), monospace;letter-spacing:.1em;text-transform:uppercase;margin:0 0 18px;font-size:10px}.result-number{letter-spacing:-.07em;font-size:clamp(48px,5vw,76px);font-weight:680;line-height:.95}.result-summary{margin:13px 0 26px;font-size:13px}.result-rule{border-top:1px solid #ffffff73;border-bottom:1px solid #ffffff73;padding:18px 0}.result-rule span,.result-rule small{font-family:var(--font-geist-mono), monospace;font-size:9px;line-height:1.45;display:block}.result-rule strong{font-family:var(--font-geist-mono), monospace;margin:8px 0;font-size:16px;display:block}.package-results{gap:1px;margin:19px 0;display:grid}.package-result{background:#ffffff1f;justify-content:space-between;align-items:center;padding:12px;display:flex}.package-result span,.package-result small{font-size:10px;display:block}.package-result small{color:#ffffffc7;margin-top:3px}.package-result-values{text-align:right}.package-result-values strong{font-size:17px;display:block}.copy-button{background:var(--ink);border:1px solid var(--ink);color:var(--white);cursor:pointer;width:100%;padding:14px;font-weight:650}.result-actions{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.copy-button-secondary{background:0 0;border-color:#ffffffa6}.copy-button:disabled{cursor:not-allowed;opacity:.5}.copy-error{background:var(--white);color:var(--state-error);font-family:var(--font-mono);margin:10px 0 0;padding:10px;font-size:10px;line-height:1.5}.share-restore-error{background:var(--white);border-left:4px solid var(--state-error);color:var(--state-error);margin:0 0 20px;padding:12px 14px;font-size:13px;line-height:1.5}.share-constraint{color:var(--white);font-family:var(--font-mono);margin:10px 0 0;font-size:10px;line-height:1.5}.estimate-note{margin:16px 0 0;font-size:10px;line-height:1.5}.method-section{grid-template-columns:.85fr 1.15fr;gap:8vw;max-width:1320px;margin:0 auto;padding:110px 4vw;display:grid}.method-intro>p:last-child{color:var(--ink-soft);max-width:520px;margin-top:28px;line-height:1.65}.method-steps{margin:0;padding:0;list-style:none}.method-steps li{border-top:1px solid var(--line);grid-template-columns:42px 1fr;gap:32px;padding:27px 0;display:grid}.method-steps li:last-child{border-bottom:1px solid var(--line)}.method-steps>li>span{color:var(--signal-dark);font-family:var(--font-geist-mono), monospace;font-size:11px}.method-steps h3{letter-spacing:-.03em;margin:0 0 8px;font-size:20px}.method-steps p{color:var(--ink-soft);margin:0;font-size:14px;line-height:1.55}.examples-section{border-top:1px solid var(--line)}.example-grid{grid-template-columns:repeat(2,1fr);gap:12px;margin-top:48px;display:grid}.example-card{background:var(--white);border:1px solid var(--line);padding:28px}.example-label{color:var(--signal-dark);font-family:var(--font-geist-mono), monospace;letter-spacing:.08em;text-transform:uppercase;margin:0 0 22px;font-size:10px}.example-card h3{letter-spacing:-.035em;margin:0;font-size:20px}.example-math{background:var(--paper-deep);margin:22px 0;padding:16px;font-size:12px;line-height:1.55;display:block}.example-card dl{border-bottom:1px solid var(--line);border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);margin:0;display:grid}.example-card dl div{padding:16px 10px 16px 0}.example-card dt{color:var(--ink-soft);font-family:var(--font-geist-mono), monospace;text-transform:uppercase;font-size:9px}.example-card dd{margin:6px 0 0;font-size:16px;font-weight:680}.example-card>p:last-child{color:var(--ink-soft);margin:22px 0 0;font-size:13px;line-height:1.6}.faq-section{border-top:1px solid var(--line);grid-template-columns:.75fr 1.25fr;gap:8vw;display:grid}.faq-intro>p:last-child{color:var(--ink-soft);max-width:420px;line-height:1.6}.faq-list{border-bottom:1px solid var(--line)}.faq-list details{border-top:1px solid var(--line)}.faq-list summary{cursor:pointer;letter-spacing:-.025em;padding:24px 42px 24px 0;font-size:18px;font-weight:650;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{color:var(--signal-dark);content:"+";font-family:var(--font-geist-mono), monospace;position:absolute;right:8px}.faq-list details[open] summary:after{content:"−"}.faq-list details p{color:var(--ink-soft);margin:-6px 42px 24px 0;line-height:1.65}.source-section{background:var(--paper-deep);border-bottom:1px solid var(--line);border-top:1px solid var(--line);padding:90px max(4vw,50vw - 660px)}.source-list{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:44px;display:grid}.source-list a{background:var(--white);border:1px solid var(--line);min-height:280px;transition:transform var(--transition-fast), box-shadow var(--transition-fast);flex-direction:column;padding:22px;text-decoration:none;display:flex}.source-list a:hover{box-shadow:var(--shadow-offset-sm);transform:translate(-3px,-3px)}.source-list span{color:var(--signal-dark);font-family:var(--font-geist-mono), monospace;text-transform:uppercase;font-size:10px}.source-list article{background:var(--white);border:1px solid var(--line);flex-direction:column;min-height:280px;padding:22px;display:flex}.source-list strong{letter-spacing:-.035em;margin-top:28px;font-size:21px}.source-list small{color:var(--ink-soft);margin-top:16px;font-size:11px}.source-status{align-items:center;gap:10px;margin-top:auto;padding-top:24px;display:flex}.source-status .status-pill{justify-self:auto}.source-status time{color:var(--ink-soft);font-family:var(--font-mono);font-size:10px}.source-limitations{color:var(--ink-soft);margin:14px 0 0;font-size:11px;line-height:1.45}.verified-date{color:var(--ink-soft);font-family:var(--font-geist-mono), monospace;margin:22px 0 0;font-size:10px}footer{grid-template-columns:1fr auto 1fr;align-items:center;max-width:1440px;margin:0 auto;padding:34px 4vw;font-size:12px;display:grid}footer p{color:var(--ink-soft)}footer>a{justify-self:end;text-decoration:none}.brand-lab{--lab-max:1320px}.lab-intro{max-width:var(--lab-max);margin:0 auto;padding:96px 4vw 110px}.lab-intro h1{letter-spacing:-.07em;margin:0;font-size:clamp(48px,7vw,102px);font-weight:620;line-height:.92}.lab-intro h1 em,.theme-study h3 em{color:var(--signal);font-family:var(--font-editorial);font-weight:400}.lab-intro>p:not(.eyebrow){color:var(--ink-soft);font-size:var(--text-lede);max-width:760px;margin:38px 0 30px;line-height:1.6}.lab-principles{flex-wrap:wrap;gap:8px;display:flex}.lab-principles span{border:1px solid var(--line);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;padding:9px 12px;font-size:10px}.lab-section{border-top:1px solid var(--line);max-width:var(--lab-max);margin:0 auto;padding:92px 4vw 100px}.lab-section-heading{grid-template-columns:.7fr 1.3fr;gap:40px;margin-bottom:54px;display:grid}.lab-section-heading h2,.lab-checklist h2{font-size:var(--text-section);letter-spacing:-.055em;margin:0;font-weight:590;line-height:1}.swatch-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.swatch-card{background:var(--white);border:1px solid var(--line);gap:6px;padding:12px;display:grid}.swatch-card>div{border:1px solid var(--line);height:130px}.swatch-card strong{margin-top:8px;font-size:14px}.swatch-card code,.type-specimens span,.theme-study-topline,.lab-note{color:var(--ink-soft);font-family:var(--font-mono);font-size:10px}.type-specimens{border-bottom:1px solid var(--line);margin-top:62px}.type-specimens article{border-top:1px solid var(--line);grid-template-columns:250px 1fr;align-items:baseline;gap:20px;padding:28px 0;display:grid}.type-specimens strong,.type-specimens em{letter-spacing:-.05em;font-size:clamp(28px,4vw,54px)}.type-specimens em{color:var(--signal);font-family:var(--font-editorial)}.type-specimens code{font-family:var(--font-mono);font-size:clamp(13px,2vw,21px)}.lab-components{background:var(--paper-deep);max-width:none;padding-inline:max(4vw,50vw - 607px)}.component-board{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.component-card{background:var(--white);border:1px solid var(--line);min-width:0;padding:28px}.component-card h3{margin:0 0 28px;font-size:18px}.component-stack{gap:24px;display:grid}.component-card .unit-toggle{background:var(--paper-deep);border-color:var(--line);justify-self:start}.component-card .unit-toggle button{color:var(--ink-soft)}.component-card .unit-toggle button.active{background:var(--ink);color:var(--white)}.demo-button{background:var(--ink);border:1px solid var(--ink);color:var(--white);cursor:pointer;min-height:46px;padding:12px 16px;font-weight:650}.demo-button:hover,.demo-button.demo-hover{background:var(--signal);color:var(--ink)}.demo-button.demo-focus{outline:3px solid var(--state-focus);outline-offset:3px}.demo-button:disabled{background:var(--paper-deep);border-color:var(--line);color:var(--state-disabled);cursor:not-allowed}.status-board{flex-wrap:wrap;align-items:start;gap:10px;display:flex}.status-board .status-pill{justify-self:auto}.evidence-card{background:var(--tool-support);border:1px solid var(--ink);gap:10px;margin-top:32px;padding:22px;display:grid}.evidence-card span,.evidence-card small{font-family:var(--font-mono);font-size:10px;line-height:1.5}.evidence-card strong{font-family:var(--font-mono);font-size:17px}.theme-study-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.theme-study{border:1px solid var(--ink);min-height:510px;padding:30px;position:relative}.theme-study-topline{text-transform:uppercase;align-items:center;gap:12px;display:flex}.theme-study .eyebrow{margin-top:72px}.theme-study h3{letter-spacing:-.06em;margin:0;font-size:clamp(38px,5vw,68px);line-height:.94}.theme-study>p:not(.eyebrow){color:var(--ink-soft);max-width:520px;line-height:1.55}.theme-color-row{gap:5px;margin:28px 0 18px;display:flex}.theme-color-row span{border:1px solid var(--line);width:56px;height:22px}.theme-study .status-pill{justify-self:auto;display:inline-block}.lab-note{margin-top:18px}.lab-checklist{background:var(--ink);color:var(--white);padding:90px max(4vw,50vw - 607px)}.lab-checklist .section-kicker{color:#ff9b82}.lab-checklist h2{max-width:900px}.lab-checklist ul{gap:0;max-width:900px;margin:48px 0 0;padding:0;list-style:none;display:grid}.lab-checklist li{color:#ffffffd1;border-top:1px solid #ffffff2e;padding:18px 0;line-height:1.5}.lab-checklist li:before{color:#ff9b82;content:"→";margin-right:14px}@media (width<=980px){.site-header{grid-template-columns:1fr auto}.site-header nav{display:none}.hero{grid-template-columns:1fr;min-height:auto}.hero-note{max-width:360px}.calculator-grid,.method-section,.faq-section{grid-template-columns:1fr}.guide-intro{grid-template-columns:1fr;gap:28px}.guide-intro .section-kicker,.guide-intro h2,.guide-answer,.formula-card{grid-area:auto/1}.example-grid{grid-template-columns:1fr}.result-panel{position:static}.carrier-options{grid-template-columns:repeat(3,1fr)}.lab-section-heading,.component-board{grid-template-columns:1fr}.swatch-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=680px){.site-header{padding:14px 18px}.preview-pill{font-size:8px}.hero{gap:50px;padding:68px 20px 72px}.hero h1{font-size:clamp(48px,15vw,68px)}.trust-row{gap:10px;display:grid}.calculator-shell{padding:64px 16px}.calculator-heading{align-items:start;gap:24px;display:grid}.carrier-options{grid-template-columns:repeat(2,1fr)}.input-panel,.result-panel{padding:20px}.dimension-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.weight-grid{grid-template-columns:1.4fr .8fr}.package-card{padding:16px}.method-section,.guide-section,.examples-section,.faq-section{padding:80px 20px}.rule-table-block{margin-top:72px}.section-heading-row{grid-template-columns:1fr;align-items:start;gap:24px}.result-actions{grid-template-columns:1fr}.source-section{padding:78px 20px}.source-list{grid-template-columns:1fr}footer{grid-template-columns:1fr auto;gap:18px;padding:28px 20px}footer p{display:none}.lab-intro,.lab-section{padding:70px 20px}.lab-section-heading{gap:8px}.type-specimens article{grid-template-columns:1fr}.component-card{padding:22px}.theme-study-grid{grid-template-columns:1fr}.theme-study{min-height:440px;padding:22px}.lab-checklist{padding:72px 20px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.status-loading:before{animation:none}}@media (prefers-contrast:more){:root{--line:#536066}input,.carrier,.input-panel,.package-card,.source-list a,.source-list article{border-color:currentColor}.site-header nav a,.source-list small,.source-limitations,.verified-date{color:var(--ink)}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}
