:root{--bg:#f6f5f1;--surface:#fff;--surface-2:#eeefeb;--ink:#182022;--muted:#556467;--line:#d9dedb;--brand:#e66a34;--brand-ink:#ad3e16;--button:#ad3e16;--button-text:#fff;--soft:#fbede5;--warning:#79500b;--warning-bg:#fff5d9;--shadow:0 10px 35px #1820220b;--radius:10px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;scroll-padding-top:95px;font-size:16px;line-height:1.6}:root[data-theme=dark]{--bg:#12191c;--surface:#1b2529;--surface-2:#202e33;--ink:#edf0ee;--muted:#b2bfc1;--line:#35464b;--brand:#ef7a43;--brand-ink:#ff9867;--button:#ef7a43;--button-text:#182022;--soft:#35271f;--warning:#ffd47c;--warning-bg:#302817;--shadow:0 10px 35px #0002;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);min-width:320px;margin:0}button,input,select,textarea{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}button,input,select,textarea{border:1px solid var(--line);border-radius:6px}input,select,textarea{color:var(--ink);background:var(--surface);width:100%;min-height:46px;padding:10px 12px}input[type=radio],input[type=checkbox]{width:18px;height:18px;min-height:auto;accent-color:var(--brand-ink);flex-shrink:0}label{font-size:.875rem;font-weight:600;display:block}label>input,label>select{margin-top:6px}fieldset{border:0;margin:20px 0;padding:0}legend{margin-bottom:7px;font-size:.9rem;font-weight:700}input[aria-invalid=true]{border:2px solid var(--brand-ink)}a{color:var(--brand-ink);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}svg{vertical-align:middle;flex-shrink:0;display:inline-block}h1,h2,h3{letter-spacing:-.035em;margin:0 0 16px;font-weight:800;line-height:1.17}h1{font-size:clamp(2rem,3.1vw,2.65rem)}h2{font-size:1.6rem}h3{font-size:1.1rem}p{margin:0 0 16px}ul,ol{padding-inline-start:23px}li+li{margin-top:8px}strong{font-weight:750}small,.small{font-size:.8rem;line-height:1.55}.muted,.quiet{color:var(--muted)}.lead{color:var(--muted);max-width:880px;font-size:1.16rem;line-height:1.5}.eyebrow{letter-spacing:.13em;color:var(--brand-ink);margin-bottom:12px;font-size:.72rem;font-weight:800}.container{max-width:1376px;margin-inline:auto;padding:0 64px}.site-header{border-bottom:1px solid var(--line);background:var(--bg);z-index:10;position:relative}.header-inner{justify-content:space-between;align-items:center;gap:42px;max-width:1376px;min-height:76px;margin:auto;padding:0 64px;display:flex}.header-inner>a{color:var(--ink);text-decoration:none}.brand{letter-spacing:-.06em;white-space:nowrap;align-items:center;gap:8px;font-size:1.7rem;font-weight:850;line-height:1;display:inline-flex}.brand svg{color:var(--brand-ink)}.primary-nav{align-items:center;gap:25px;display:flex}.primary-nav a,.primary-nav summary{color:var(--ink);white-space:nowrap;font-size:.86rem;text-decoration:none}.primary-nav a[aria-current=page]{color:var(--brand-ink);text-underline-offset:10px;text-decoration:underline;text-decoration-thickness:2px}.header-actions{align-items:center;gap:12px;display:flex}.icon-button{width:44px;height:44px;color:var(--ink);background:0 0;border:0;justify-content:center;align-items:center;padding:7px;text-decoration:none;display:inline-flex}.icon-button:hover{background:var(--surface-2)}.saved-link{color:var(--ink);border-inline-start:1px solid var(--line);align-items:center;gap:8px;padding-inline-start:15px;font-size:.85rem;text-decoration:none;display:flex}.mobile-toggle{display:none}.tools-menu{position:relative}.tools-menu summary{cursor:pointer;align-items:center;gap:8px;min-height:44px;list-style:none;display:flex}.tools-menu summary::-webkit-details-marker{display:none}.tools-menu>div{top:45px;background:var(--surface);border:1px solid var(--line);min-width:235px;box-shadow:var(--shadow);border-radius:8px;padding:8px;position:absolute;inset-inline-start:-15px}.tools-menu a{padding:10px;display:block}.tools-menu a:hover{background:var(--surface-2)}.skip-link{z-index:1000;background:var(--surface);padding:12px;position:fixed;inset-block-start:8px;inset-inline-start:10px;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}:focus-visible{outline:2px solid var(--brand-ink);outline-offset:3px}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}[hidden]{display:none!important}.page-header{padding:40px 0 24px}.breadcrumbs{color:var(--muted);align-items:center;gap:10px;margin-bottom:20px;font-size:.76rem;display:flex}.breadcrumbs a{color:var(--muted)}.page-header h1{margin-bottom:12px}.page-header .lead{margin:0}.section-block{padding:38px 0}.section-heading{justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:20px;display:flex}.section-heading h2{margin:0}.section-heading>a{font-size:.9rem}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}.button{border:1px solid var(--line);background:var(--surface);min-height:46px;color:var(--ink);border-radius:6px;justify-content:center;align-items:center;gap:9px;padding:10px 17px;font-size:.86rem;font-weight:700;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}.button:hover{background:var(--surface-2);border-color:var(--muted);text-decoration:none}.button.primary{background:var(--button);border-color:var(--button);color:var(--button-text)}.button.primary:hover{filter:brightness(.94)}.button.wide{width:100%;margin-top:12px}.button-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.text-button{color:var(--brand-ink);text-underline-offset:4px;background:0 0;border:0;border-radius:0;min-height:30px;padding:3px 0;font-size:.85rem;text-decoration:underline}.notice{border:1px solid var(--line);background:var(--surface-2);border-radius:8px;align-items:flex-start;gap:12px;margin:16px 0;padding:16px;font-size:.9rem;display:flex}.notice p:last-child{margin:0}.notice.warning{background:var(--warning-bg);color:var(--warning);border-color:var(--warning)}.notice.warning strong{display:block}.field-error{color:var(--brand-ink);margin:7px 0 0;font-size:.8rem;font-weight:650}.input-parsed{color:var(--muted);min-height:18px;margin:6px 0 0;font-size:.76rem}.input-unit{align-items:stretch;margin-top:6px;display:flex}.input-unit input{border-start-end-radius:0;border-end-end-radius:0;min-width:0;margin:0}.input-unit>span{background:var(--surface-2);border:1px solid var(--line);border-inline-start:0;border-radius:0 6px 6px 0;align-items:center;padding:0 12px;font-size:.8rem;display:flex}.input-unit select{border-inline-start:0;border-radius:0 6px 6px 0;width:auto;margin:0}.segmented{border:1px solid var(--line);background:var(--surface-2);border-radius:7px;gap:2px;padding:3px;display:flex}.segmented button{color:var(--muted);white-space:nowrap;background:0 0;border:0;border-radius:4px;flex:1;min-height:34px;padding:7px 12px;font-size:.74rem}.segmented button[aria-pressed=true]{background:var(--button);color:var(--button-text);font-weight:750}.tabs{border-bottom:1px solid var(--line);gap:16px;margin-bottom:20px;display:flex}.tabs button{color:var(--muted);background:0 0;border:0;border-radius:0;padding:10px 0;font-size:.84rem}.tabs button[aria-pressed=true]{color:var(--brand-ink);box-shadow:0 2px var(--brand-ink)}.workbench{padding-bottom:28px}.workbench-bar{justify-content:space-between;align-items:center;gap:16px;margin:0 0 22px;display:flex}.workbench-bar p{margin:0;font-size:.84rem}.workbench-grid{grid-template-columns:310px minmax(0,1fr);align-items:stretch;gap:16px;display:grid}.input-panel h2,.result-panel h2,.dimensions-panel h2,.speed-panel h2,.explanation-panel h2{margin-bottom:14px;font-size:1.2rem}.input-panel{padding:20px}.input-panel fieldset:first-child{margin-top:0}.input-panel label+label{margin-top:15px}.manual-fields{grid-template-columns:1fr 1fr 1fr;gap:8px;display:grid}.manual-fields label{min-width:0;font-size:.65rem}.manual-fields input{padding:9px 8px}.manual-fields small{color:var(--muted)}.manual-fields label+label{margin:0}.units-field{margin-top:20px;margin-bottom:10px}.temporary-link{margin-top:4px}.input-help{margin:14px 0 0}.result-panel{min-width:0;padding:20px 14px 14px}.result-heading{justify-content:space-between;align-items:center;gap:14px;padding:0 8px;display:flex}.result-heading h2{margin:0}.diagram-controls{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.diagram-controls .segmented button{padding:6px 9px}.diagram{background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-position:50%;background-size:26px 26px;min-width:0}.diagram>svg{width:100%;height:auto;max-height:445px;display:block}.diagram>svg>rect{fill:#0000}.diagram svg text{fill:var(--ink);font-weight:550}.diagram svg text[fill=\#556467]{fill:var(--muted)}.diagram svg text[fill=\#B44118]{fill:var(--brand-ink)}.diagram svg rect[fill=\#FFFFFF]{fill:var(--surface)}.diagram svg>g>text:first-child,.diagram svg>g>text:last-child{opacity:0}.metric-cards{border:1px solid var(--line);background:var(--surface-2);border-radius:7px;grid-template-columns:repeat(3,1fr);margin-top:10px;display:grid}.metric-card{text-align:center;min-width:0;padding:13px 14px}.metric-card+.metric-card{border-inline-start:1px solid var(--line)}.metric-card small{color:var(--muted);display:block}.metric-card strong{font-variant-numeric:tabular-nums;letter-spacing:-.03em;font-size:1.55rem;line-height:1.4;display:block}.metric-card span{font-variant-numeric:tabular-nums;font-size:.9rem}.dimensions-panel,.speed-panel,.explanation-panel{margin-top:16px}.table-scroll{border-radius:7px;overflow:auto}.data-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:.82rem}.data-table th,.data-table td{text-align:start;border-bottom:1px solid var(--line);padding:10px 13px}.data-table th{font-weight:600}.data-table thead{background:var(--surface-2);font-size:.75rem}.data-table tbody tr:last-child>*{border-bottom:0}.data-table th[scope=row]{white-space:normal}.data-table td{white-space:nowrap}.speed-panel{grid-template-columns:1fr 1fr;gap:35px;display:grid}.speed-panel .input-unit{max-width:280px}.speed-output{color:var(--brand-ink);letter-spacing:-.04em;font-variant-numeric:tabular-nums;margin:14px 0 3px;font-size:2.6rem;font-weight:800;display:block}.speed-table{margin-top:10px}.explanation-panel>h2{margin-bottom:8px}.explanation-panel>p{font-size:.9rem}.explanation-links{justify-content:space-between;align-items:center;gap:20px;display:flex}.explanation-links p{max-width:780px;margin:0}.explanation-links a{white-space:nowrap;font-size:.8rem}.formula-grid{grid-template-columns:1fr 1fr;gap:25px;font-size:.86rem;display:grid}.formula-grid>p+p{border-inline-start:1px solid var(--line);padding-inline-start:25px}.workbench[data-single=true] .replacement-fields{display:none}.ad-slot{border:1px dashed var(--line);background:var(--surface-2);text-align:center;color:var(--muted);border-radius:7px;justify-content:center;align-items:center;min-height:66px;margin:18px 0 30px;font-size:.72rem;display:flex}.home-hero{grid-template-columns:44% minmax(0,1fr);align-items:center;gap:24px;padding:44px 0 30px;display:grid}.home-hero h1{letter-spacing:-.055em;max-width:570px;font-size:clamp(2.6rem,4.2vw,4rem);line-height:1.02}.home-hero .lead{max-width:460px;margin-bottom:24px;font-size:1.1rem}.hero-form{padding:17px}.hero-fields{grid-template-columns:1fr 36px 1fr;align-items:end;gap:12px;display:grid}.hero-fields label{font-size:.76rem}.hero-swap{width:36px;height:46px}.hero-form .primary{margin-top:13px}.hero-manual{margin:10px auto 5px;display:block}.hero-form>p{text-align:center;margin:2px 0 0;font-size:.65rem;line-height:1.6}.hero-visual{min-width:0;margin-inline-end:-18px}.hero-visual svg{width:100%;max-height:560px}.hero-stats{border-block:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:24px;padding:25px 0;display:grid}.hero-stats>div{align-items:center;gap:22px;padding-inline:12px;display:flex}.hero-stats>div+div{border-inline-start:1px solid var(--line);padding-inline-start:30px}.hero-stats p{color:var(--muted);margin:0;font-size:.8rem}.hero-stats strong{color:var(--brand-ink);letter-spacing:-.04em;font-size:1.8rem;font-weight:800;line-height:1.3;display:block}.hero-stats small{color:var(--muted);letter-spacing:0;font-size:.75rem;display:block}.tool-cards{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.tool-card{color:var(--ink);align-items:center;gap:20px;padding:15px 0;text-decoration:none;display:flex}.tool-card+.tool-card{border-inline-start:1px solid var(--line);padding-inline-start:20px}.tool-card p{color:var(--muted);margin:0;font-size:.8rem}.tool-card h3{letter-spacing:-.025em;margin-bottom:9px;font-size:1.03rem}.tool-illustration{align-items:center;min-width:100px;height:110px;display:flex;position:relative}.tool-illustration>svg{color:var(--muted);stroke-width:.65px;background:radial-gradient(circle,var(--surface-2),transparent 65%)}.tool-illustration>svg+svg{inset-inline-start:22px;color:var(--brand-ink);position:absolute;top:22px}.card-arrow{color:var(--brand-ink);margin-top:12px;font-size:1.4rem;display:block}.size-links{grid-template-columns:repeat(6,1fr);gap:14px;display:grid}.size-links>a{border:1px solid var(--line);color:var(--ink);white-space:nowrap;border-radius:7px;justify-content:space-between;gap:7px;padding:14px;font-size:.9rem;text-decoration:none;display:flex}.size-links>a:hover{border-color:var(--brand-ink)}.size-links svg{color:var(--brand-ink)}.method-teaser{border-top:1px solid var(--line);grid-template-columns:1fr 1fr;align-items:center;gap:70px;padding:32px 0 40px;display:grid}.method-teaser p{color:var(--muted);max-width:580px;font-size:.95rem}.method-motif{border-inline-start:1px solid var(--line);justify-content:center;align-items:center;gap:24px;font-size:.85rem;display:flex}.method-motif svg{stroke-width:.6px}.site-footer{border-top:1px solid var(--line);margin-top:35px;padding:24px 0}.footer-inner{justify-content:space-between;align-items:center;gap:30px;max-width:1376px;margin:auto;padding:0 64px;display:flex}.footer-brand{align-items:center;gap:20px;display:flex}.footer-brand .brand{font-size:1.3rem}.footer-brand .brand svg{width:30px;height:27px}.footer-brand>span:last-child{border-inline-start:1px solid var(--line);color:var(--muted);padding-inline-start:18px;font-size:.73rem}.site-footer nav{flex-wrap:wrap;gap:19px;display:flex}.site-footer nav a{color:var(--muted);font-size:.74rem;text-decoration:none}.article-shell{grid-template-columns:minmax(0,1fr) 220px;gap:55px;max-width:1100px;margin:40px auto 0;display:grid}.article-shell.docs-shell{grid-template-columns:200px minmax(0,1fr) 175px;gap:34px;max-width:none}.article-content{min-width:0}.article-header .lead{font-size:1.07rem}.article-header{margin-bottom:35px}.prose-section{border-top:1px solid var(--line);padding:25px 0;scroll-margin-top:30px}.prose-section h2{margin-bottom:16px;font-size:1.35rem}.prose-section p,.prose-section li{color:var(--muted);font-size:.93rem;line-height:1.85}.prose-section p:last-child{margin-bottom:0}.prose-section table{margin:20px 0}.formula{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--surface-2);border:1px solid var(--line);border-radius:7px;padding:22px;font-size:.84rem;line-height:1.9}.toc,.docs-nav{align-self:start;position:sticky;top:28px}.toc{border-inline-start:1px solid var(--line);padding-inline-start:22px}.toc h2{letter-spacing:-.01em;font-size:.92rem}.toc nav,.docs-nav nav{flex-direction:column;gap:9px;display:flex}.toc a,.docs-nav a{color:var(--muted);padding:4px 0;font-size:.78rem;line-height:1.6;text-decoration:none}.toc a:hover,.docs-nav a:hover{color:var(--brand-ink)}.docs-nav{border-inline-end:1px solid var(--line);padding-inline-end:20px}.docs-nav-title{margin-bottom:20px;font-weight:800;display:block;font-size:1.1rem!important}.docs-nav a[aria-current=page]{color:var(--brand-ink);font-weight:700}.related-links{grid-template-columns:1fr 1fr;gap:10px;display:grid}.related-links a{border:1px solid var(--line);color:var(--ink);border-radius:6px;justify-content:space-between;align-items:center;gap:16px;padding:15px;font-size:.85rem;text-decoration:none;display:flex}.related-links a>span{color:var(--brand-ink)}.index-cards{grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.content-card{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;text-decoration:none;overflow:hidden}.card-content{padding:22px}.card-content p{color:var(--muted);font-size:.85rem;line-height:1.65}.card-content h2{font-size:1.3rem}.card-visual{background:var(--surface-2);border-bottom:1px solid var(--line);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:22px 22px;justify-content:center;align-items:center;gap:25px;height:145px;display:flex}.card-visual svg{stroke-width:.55px}.card-visual svg+svg{color:var(--brand-ink);transform:scale(.9)}.docs-index{grid-template-columns:repeat(3,1fr)}.docs-index .content-card{padding:24px}.docs-index h2{font-size:1.15rem}.docs-index p{color:var(--muted);font-size:.86rem}.filter-bar{grid-template-columns:2fr repeat(3,1fr);gap:16px;margin-bottom:22px;padding:20px;display:grid}.directory-list{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.size-card{color:var(--ink);padding:20px;text-decoration:none}.size-card h2{margin-bottom:14px;font-size:1.2rem}.size-card dl{grid-template-columns:1fr auto;gap:7px 10px;margin:0 0 15px;font-size:.8rem;display:grid}.size-card dt{color:var(--muted)}.size-card dd{font-variant-numeric:tabular-nums;margin:0}.size-card>span{color:var(--brand-ink);font-size:.8rem}.size-card:hover{border-color:var(--brand-ink)}.comparison-list{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.comparison-card{color:var(--ink);padding:24px;text-decoration:none}.comparison-card h2{font-size:1.18rem}.comparison-card p{color:var(--muted);font-size:.85rem}.comparison-card strong{color:var(--brand-ink);font-variant-numeric:tabular-nums}.empty-state{text-align:center;max-width:760px;margin:30px auto;padding:55px 25px}.empty-state>svg{color:var(--muted);margin-bottom:22px}.empty-state p{color:var(--muted);max-width:550px;margin:0 auto 24px}.empty-state h2{font-size:1.6rem}.search-form{gap:12px;max-width:800px;margin:10px 0 22px;display:flex}.search-form label{flex:1}.search-form input{min-height:50px;margin:0}.search-results{max-width:900px;margin-top:25px}.search-result{border-top:1px solid var(--line);padding:22px 0}.search-result h2{font-size:1.2rem}.search-result p{color:var(--muted);font-size:.9rem}.search-result>a{color:var(--ink);text-decoration:none}.error-page{grid-template-columns:1fr 1fr;align-items:center;gap:60px;padding:65px 0 85px;display:grid}.error-illustration{color:var(--muted);text-align:center}.error-illustration>span{letter-spacing:-.06em;font-size:8rem;font-weight:800;line-height:1.2}.error-illustration svg{color:var(--brand-ink);stroke-width:.7px}.project-toolbar{margin:15px 0 20px}.projects-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.project-card h2{overflow-wrap:anywhere;font-size:1.2rem}.project-card .button-row{margin-top:22px}.project-card .button{padding:9px 12px;font-size:.76rem}.project-card p{color:var(--muted);font-size:.83rem}.project-card strong{font-variant-numeric:tabular-nums;font-size:.95rem}.import-list{overflow-wrap:anywhere;max-height:200px;padding-inline-start:20px;overflow:auto}.radio-label{align-items:flex-start;gap:10px;margin:15px 0;display:flex}.radio-label input{margin:3px 0 0}.toast{bottom:24px;background:var(--ink);max-width:min(440px,100vw - 40px);color:var(--bg);z-index:1000;border-radius:8px;padding:15px 20px;font-size:.88rem;position:fixed;inset-inline-end:24px;box-shadow:0 4px 25px #0003}.private-page .ad-slot{display:none}dialog{border:1px solid var(--line);background:var(--surface);width:min(570px,100vw - 32px);max-height:calc(100dvh - 44px);color:var(--ink);border-radius:12px;padding:28px;overflow:auto;box-shadow:0 25px 90px #0004}dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0c1515a0}.dialog-heading{justify-content:space-between;align-items:center;gap:20px;margin-bottom:15px;display:flex}.dialog-heading h2{margin:0;font-size:1.4rem}.dialog-heading .icon-button{margin:-7px -7px 0 0}.dialog-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.paper-choices{grid-template-columns:1fr 1fr;gap:12px;display:grid}.paper-choices label{border:1px solid var(--line);border-radius:6px;align-items:center;gap:8px;padding:12px;font-size:.77rem;display:flex}.paper-choices input{margin:0}dialog label+label{margin-top:17px}.report-surface{color:#182022;background:#fff;border:1px solid #ddd;max-width:900px;margin:25px auto;padding:35px}.report-surface svg{width:100%;height:auto}.report-surface .data-table{color:#182022}.print-actions{gap:15px;margin-top:25px;display:flex}.article-header .eyebrow{text-transform:none}@media (min-width:769px){.input-panel{height:100%}.home-hero .hero-form{max-width:500px}}@media (max-width:1200px){.container,.header-inner,.footer-inner{padding-inline:35px}.header-inner{gap:25px}.primary-nav{gap:17px}.saved-link span{display:none}.workbench-grid{grid-template-columns:280px minmax(0,1fr)}.result-heading{display:block}.diagram-controls{justify-content:flex-start;margin-top:12px}.home-hero h1{font-size:3.2rem}.hero-fields{gap:6px}.hero-stats>div{gap:12px}.hero-stats strong{font-size:1.5rem}.size-links{grid-template-columns:repeat(3,1fr)}.tool-card{gap:10px}.tool-illustration{min-width:70px}.tool-illustration>svg{width:65px}.article-shell.docs-shell{grid-template-columns:180px minmax(0,1fr)}.docs-shell .toc{display:none}.footer-inner{align-items:flex-start}.footer-brand{display:block}.footer-brand>span:last-child{border:0;padding:12px 0 0;display:block}.directory-list{grid-template-columns:repeat(3,1fr)}}@media (max-width:1000px){.primary-nav{gap:14px}.header-inner{gap:15px}.header-actions{gap:5px}.brand{font-size:1.5rem}.container,.header-inner,.footer-inner{padding-inline:25px}.home-hero{grid-template-columns:1fr 1fr}.home-hero h1{font-size:2.8rem}.hero-fields{grid-template-columns:1fr 1fr}.hero-swap{display:none}.tool-cards{gap:15px}.tool-card{display:block}.tool-card+.tool-card{padding-inline-start:15px}.tool-illustration{height:85px}.workbench-grid{grid-template-columns:260px minmax(0,1fr)}.metric-card{padding:12px 8px}.metric-card strong{font-size:1.2rem}.metric-card small{font-size:.7rem}.article-shell{grid-template-columns:minmax(0,1fr) 190px;gap:30px}.index-cards,.comparison-list{grid-template-columns:repeat(2,1fr)}.method-teaser{gap:30px}.method-motif{gap:10px}.method-motif svg{width:90px}.hero-stats>div>svg{width:30px}.hero-stats>div+div{padding-inline-start:15px}}@media (max-width:800px){.primary-nav{top:75px;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:9px;padding:18px 25px;display:none;position:absolute;inset-inline:0}.primary-nav.is-open{display:flex}.primary-nav a{padding:10px}.tools-menu>div{box-shadow:none;position:static}.mobile-toggle{display:inline-flex}.header-inner{min-height:72px}.header-actions{gap:4px}.saved-link{display:none}.home-hero{grid-template-columns:1fr;gap:10px;padding-top:35px}.home-hero h1{max-width:700px;font-size:3.1rem}.home-hero .lead{max-width:none}.hero-form{max-width:none!important}.hero-fields{grid-template-columns:1fr 40px 1fr}.hero-swap{display:flex}.hero-visual{margin-inline:0;max-width:700px;margin:auto}.hero-visual svg{max-height:450px}.hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}.hero-stats>div{padding:0;display:block}.hero-stats>div>svg{display:none}.hero-stats strong{font-size:1.35rem}.workbench-grid{grid-template-columns:1fr}.input-panel{padding:20px}.tire-inputs{grid-template-columns:1fr 1fr;gap:0 20px;display:grid}.tire-inputs>h2,.tire-inputs>.tabs,.tire-inputs>.input-help{grid-column:1/-1}.tire-inputs fieldset{margin-top:0}.input-panel .units-field{max-width:350px}.wheel-inputs{grid-template-columns:1fr 1fr;gap:0 20px;display:grid}.wheel-inputs>p{grid-column:1/-1}.wheel-inputs fieldset{margin-top:0}.result-heading{flex-wrap:wrap;display:flex}.diagram-controls{margin-top:0}.result-panel .diagram>svg{max-height:470px}.directory-list{grid-template-columns:repeat(2,1fr)}.filter-bar{grid-template-columns:repeat(3,1fr)}.filter-bar>label:first-child{grid-column:1/-1}.article-shell,.article-shell.docs-shell{max-width:720px;display:block}.toc{display:none}.docs-nav{border:1px solid var(--line);border-radius:8px;margin-bottom:30px;padding:18px;position:static}.docs-nav nav{grid-template-columns:1fr 1fr;gap:5px 15px;display:grid}.footer-inner{display:block}.footer-brand{align-items:center;margin-bottom:20px;display:flex}.footer-brand>span:last-child{border-inline-start:1px solid var(--line);padding:0 0 0 15px}.footer-inner nav{gap:20px}.projects-grid{grid-template-columns:repeat(2,1fr)}.explanation-links{display:block}.explanation-links>a{margin-top:12px;display:inline-block}.method-teaser{grid-template-columns:1fr}.method-motif{display:none}.error-page{gap:25px}.error-illustration>span{font-size:6rem}}@media (max-width:540px){:root{font-size:16px}.container,.header-inner,.footer-inner{padding-inline:20px}.header-inner{min-height:68px}.brand{gap:7px;font-size:1.5rem}.brand svg{width:34px;height:31px}.header-actions .search-trigger{display:none}.primary-nav{top:67px}.page-header{padding:27px 0 19px}.breadcrumbs{margin-bottom:16px;font-size:.7rem}.page-header h1{font-size:2rem}.lead{font-size:1rem}.home-hero{padding-top:30px}.home-hero h1{letter-spacing:-.048em;font-size:2.45rem;line-height:1.08}.home-hero .lead{margin-bottom:22px;font-size:1.04rem}.hero-fields{grid-template-columns:1fr;gap:13px}.hero-fields label{font-size:.85rem}.hero-fields input{min-height:52px;font-size:1.12rem}.hero-swap{display:none}.hero-form{padding:16px}.hero-form .button{min-height:52px}.hero-form>p{font-size:.72rem}.hero-visual{margin-inline:-10px}.hero-stats{border:1px solid var(--line);background:var(--surface);border-radius:10px;grid-template-columns:1fr 1fr;gap:14px;padding:14px}.hero-stats>div:nth-child(2){display:none}.hero-stats>div:nth-child(3){border-inline-start:1px solid var(--line);padding-inline-start:12px}.hero-stats strong{letter-spacing:-.04em;font-size:1.4rem}.hero-stats p{font-size:.72rem}.hero-stats small{margin-top:5px;font-size:.7rem}.section-block{padding:30px 0}h2{font-size:1.55rem}.tool-cards{flex-direction:column;gap:12px;display:flex}.tool-card,.tool-card+.tool-card{border:1px solid var(--line);background:var(--surface);border-radius:9px;gap:14px;padding:15px;display:flex}.tool-illustration{min-width:64px;height:65px}.tool-illustration>svg{width:55px;height:55px}.tool-illustration>svg+svg{top:10px;width:48px;inset-inline-start:15px}.tool-card .card-arrow{display:none}.tool-card h3{margin-bottom:5px;font-size:1rem}.tool-card p{font-size:.8rem}.size-links{grid-template-columns:1fr 1fr;gap:10px}.size-links>a{min-height:49px;padding:13px 12px;font-size:.83rem}.section-heading{display:block}.section-heading>a{margin-top:10px;font-size:.8rem;display:inline-block}.ad-slot{min-height:63px;margin:14px 0}.method-teaser{padding-top:30px}.method-teaser h2{font-size:1.5rem}.workbench-bar{margin-bottom:17px;display:block}.workbench-bar p{margin-bottom:14px;font-size:.8rem}.workbench-bar .button-row{grid-template-columns:1fr 1fr;gap:9px;display:grid}.workbench-bar .button{min-height:48px;padding:10px;font-size:.78rem}.tire-inputs,.wheel-inputs{display:block}.input-panel{padding:18px}.input-panel input{min-height:50px;font-size:1rem}.manual-fields{gap:9px}.manual-fields label{font-size:.7rem}.manual-fields input{padding:9px}.input-panel .units-field{max-width:none}.input-panel .button{min-height:50px}.result-panel{padding:17px 9px 10px}.result-heading{padding:0 6px;display:block}.result-heading h2{font-size:1.15rem}.diagram-controls{justify-content:flex-start;gap:9px;margin-top:13px}.segmented button{min-height:40px;padding:7px 10px;font-size:.72rem}.diagram-controls .segmented{flex:1}.diagram-controls .segmented button{padding:7px 6px;font-size:.66rem}.diagram{background-size:19px 19px}.diagram>svg{width:100%;min-height:235px}.metric-cards{grid-template-columns:repeat(3,1fr);margin-top:3px}.metric-card{padding:12px 5px}.metric-card strong{letter-spacing:-.04em;white-space:nowrap;font-size:1.05rem}.metric-card small{font-size:.62rem}.metric-card span{font-size:.78rem}.dimensions-panel,.speed-panel,.explanation-panel{padding:18px}.data-table{font-size:.73rem}.data-table th,.data-table td{padding:10px 9px}.data-table thead{font-size:.65rem}.dimensions-panel .data-table{min-width:560px}.speed-panel{grid-template-columns:1fr;gap:18px}.speed-output{font-size:2.1rem}.speed-panel input{min-height:50px}.speed-panel>div:first-child>.small{margin-bottom:0}.formula-grid{display:block}.formula-grid>p+p{border:0;padding:0}.explanation-panel>p{font-size:.85rem}.footer-brand{margin-bottom:18px;display:block}.footer-brand>span:last-child{border:0;padding:12px 0 0}.site-footer{padding:24px 0 32px}.footer-inner nav{gap:12px 20px}.footer-inner nav a{font-size:.76rem}.article-shell,.article-shell.docs-shell{margin-top:28px}.article-header h1{font-size:2rem}.article-header .lead{font-size:1rem}.article-header{margin-bottom:20px}.prose-section{padding:23px 0}.prose-section p,.prose-section li{font-size:.92rem;line-height:1.8}.docs-nav nav,.docs-nav a{display:block}.docs-nav .docs-nav-title{margin-bottom:8px}.related-links,.index-cards,.docs-index,.comparison-list,.projects-grid{grid-template-columns:1fr}.card-visual{height:135px}.card-content{padding:20px}.filter-bar{gap:12px;padding:16px}.filter-bar label{font-size:.67rem}.filter-bar select{padding-inline:7px;font-size:.86rem}.filter-bar>label:first-child{font-size:.83rem}.directory-list{gap:12px}.size-card{padding:14px 12px}.size-card h2{white-space:nowrap;font-size:1rem}.size-card dl{font-size:.7rem;display:block}.size-card dt{display:none}.size-card dd{margin:5px 0}.size-card>span{font-size:.72rem}.search-form{display:block}.search-form .button{width:100%;min-height:48px;margin-top:10px}.search-results h2{font-size:1.15rem}.error-page{flex-direction:column-reverse;gap:35px;padding:35px 0;display:flex}.error-illustration{align-items:center;gap:24px;display:flex}.error-illustration>span{font-size:5rem}.error-illustration svg{width:100px;height:100px}.empty-state{padding:35px 20px}.empty-state h2{font-size:1.4rem}.project-toolbar{gap:8px}.project-toolbar .button{padding:9px 12px;font-size:.78rem}dialog{padding:22px 18px}.dialog-heading h2{font-size:1.23rem}.dialog-actions{flex-wrap:wrap;gap:8px}.dialog-actions .button{flex:1;padding:10px;font-size:.8rem}.paper-choices{grid-template-columns:1fr}.paper-choices label{margin:0!important}.report-surface{margin-inline:-8px;padding:15px}.toast{bottom:18px;inset-inline-end:18px}.home-hero .hero-copy .eyebrow{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{body{color:#111;background:#fff}.site-header,.site-footer,.print-actions,.toast,.ad-slot,.button,.input-panel,.workbench-bar,dialog{display:none!important}.container{max-width:none;padding:0}.report-surface{break-inside:auto;border:0;max-width:none;margin:0;padding:0}.report-surface svg{max-height:75mm}.data-table{font-size:9pt}.prose-section{break-inside:avoid}a{color:#111;text-decoration:none}h1{font-size:22pt}h2{font-size:14pt}@page{size:A4;margin:15mm}}.journal-filters{flex-wrap:wrap;gap:10px;margin-bottom:24px;display:flex}.journal-filters .button{border-radius:24px;font-size:.8rem;font-weight:500}.journal-filters [aria-pressed=true]{background:var(--brand);border-color:var(--brand);color:#fff}.journal-feature{color:var(--ink);background:var(--surface);border-radius:9px;grid-template-columns:1.15fr 1fr;align-items:center;gap:40px;margin-bottom:24px;padding:15px;text-decoration:none;display:grid}.journal-feature h2{letter-spacing:-.055em;font-size:2.6rem;line-height:1.13}.journal-feature>div:last-child{padding:20px}.journal-feature p:not(.eyebrow){color:var(--muted);font-size:.95rem;line-height:1.7}.journal-feature-visual{background:var(--surface-2);border-radius:7px}.journal-feature-visual svg{width:100%;height:auto;display:block}.journal-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.journal-card{grid-template-columns:105px 1fr;gap:14px;padding:12px;display:grid}.journal-card .card-visual{background-image:none;border:0;border-radius:5px;height:100%;min-height:145px}.journal-card .card-content{padding:2px 0}.journal-card h2{letter-spacing:-.025em;margin-bottom:9px;font-size:.94rem;line-height:1.4}.journal-card p{margin:0;font-size:.76rem;line-height:1.65}.journal-cta{border:1px solid var(--line);background:var(--soft);border-radius:8px;align-items:center;gap:25px;margin-top:28px;padding:25px 30px;display:flex}.journal-cta h2{margin-bottom:7px;font-size:1.55rem}.journal-cta p{color:var(--muted);margin:0;font-size:.85rem}.journal-cta>.button{flex-shrink:0;margin-inline-start:auto}.cta-art{color:var(--ink);gap:0;display:flex}.cta-art>svg+svg{color:var(--brand-ink);margin-inline-start:-20px}.info-hero{grid-template-columns:1.1fr 1fr;align-items:center;gap:45px;padding:45px 0 35px;display:grid}.info-hero h1{letter-spacing:-.055em;font-size:3rem;line-height:1.1}.info-hero .lead{max-width:650px;font-size:1.15rem;line-height:1.65}.info-illustration svg{width:100%;height:auto}.info-links{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:24px;display:grid}.info-link{color:var(--ink);gap:20px;padding:22px;text-decoration:none;display:flex}.info-link h2{letter-spacing:-.025em;font-size:1.12rem;line-height:1.4}.info-link p{color:var(--muted);font-size:.83rem;line-height:1.7}.info-link-icon{flex-shrink:0;padding-top:5px}.info-link-icon svg{stroke-width:.8px}.info-sections{grid-template-columns:1fr 1fr;gap:0 50px;display:grid}.info-section{border-bottom:1px solid var(--line);padding:25px 0}.info-section h2{font-size:1.35rem}.info-section p{color:var(--muted);margin-bottom:0;font-size:.9rem;line-height:1.8}.info-note{border:1px solid var(--line);background:var(--soft);border-radius:8px;grid-column:1/-1;margin:24px 0 8px;padding:24px 28px}.info-related{flex-wrap:wrap;gap:22px;margin:30px 0 40px;display:flex}.info-related a{font-size:.85rem}.contact-info .info-hero{grid-template-columns:1.5fr 1fr}.contact-info .info-illustration{justify-self:end;max-width:380px}.contact-info .info-note{background:var(--surface)}@media (max-width:1100px){.journal-card{grid-template-columns:85px 1fr;gap:10px}.journal-card .card-visual svg{width:66px}.journal-feature h2{font-size:2.05rem}.journal-cta .cta-art{display:none}.info-link{display:block}.info-link-icon{margin-bottom:15px}.info-hero h1{font-size:2.6rem}}@media (max-width:800px){.journal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.journal-feature{gap:15px}.journal-feature h2{font-size:1.8rem}.journal-feature>div:last-child{padding:12px}.info-hero,.contact-info .info-hero{grid-template-columns:1fr;gap:0;padding-top:32px}.info-illustration,.contact-info .info-illustration{justify-self:center;width:100%;max-width:500px}.info-links{grid-template-columns:1fr}.info-link{display:flex}.info-link-icon{margin:0}.info-sections{gap:0 25px}.journal-cta{flex-wrap:wrap}.journal-cta>.button{margin-inline-start:0}}@media (max-width:540px){.journal-feature{padding:12px;display:block}.journal-feature h2{font-size:1.75rem}.journal-feature .eyebrow{font-size:.72rem}.journal-grid{grid-template-columns:1fr}.journal-card{grid-template-columns:100px 1fr;padding:13px}.journal-card .card-visual{min-height:130px}.journal-card h2{font-size:.95rem}.journal-card p{font-size:.8rem}.journal-filters{gap:8px}.journal-filters .button{padding:9px 12px;font-size:.73rem}.journal-cta{padding:22px}.journal-cta h2{font-size:1.4rem}.info-hero h1{font-size:2.3rem}.info-hero .lead{font-size:1.05rem}.info-sections{display:block}.info-link{gap:15px;padding:20px}.info-link-icon svg{width:42px}.info-link h2{font-size:1.05rem}.info-note{padding:22px}.info-related{gap:15px;display:grid}.info-related a{font-size:.83rem}}[data-import-dialog]{width:min(1000px,100vw - 32px)}.import-file-meta{border:1px solid var(--line);background:var(--surface-2);overflow-wrap:anywhere;border-radius:6px;padding:12px 15px;font-size:.85rem}.import-table{max-height:380px;margin:20px 0;overflow:auto}.import-table table{min-width:650px}.import-table th,.import-table td{text-align:start;white-space:normal;vertical-align:middle}.import-table th:first-child{width:48%}.import-choice{cursor:pointer;align-items:center;gap:18px;font-weight:400;display:flex}.import-choice input{width:20px;min-height:20px;margin:0}.import-choice strong{overflow-wrap:anywhere;font-size:.9rem;display:block}.import-choice small{color:var(--muted);text-align:start;direction:ltr;margin-top:4px;font-size:.75rem;display:block}.import-table tr[data-import-status=duplicate]{color:var(--muted)}.import-table tr[data-import-status=ready] td:last-child{color:var(--brand-ink)}[data-import-selected]{font-weight:700}.import-table td:last-child{font-size:.8rem;line-height:1.6}.save-summary{background:var(--surface-2);border-radius:8px;margin:20px 0;padding:20px}.summary-inputs{text-align:center;grid-template-columns:1fr 1fr;gap:20px;display:grid}.summary-inputs small{color:var(--muted);margin-bottom:5px;display:block}.summary-inputs strong{overflow-wrap:anywhere;font-size:.95rem}.save-summary>p{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;margin:15px 0 0;padding-top:15px;font-size:.85rem;display:flex}.save-summary>p>strong{color:var(--brand-ink);text-align:end}.project-filters{grid-template-columns:1fr 220px;gap:15px;margin:20px 0;display:grid}.projects-grid{flex-direction:column;display:flex}.project-card{grid-template-columns:230px minmax(0,1fr) auto;align-items:center;gap:24px;padding:20px;display:grid}.project-preview{min-width:0}.project-preview svg{width:100%;height:auto;display:block}.project-copy h2{margin-bottom:9px;font-size:1.2rem;line-height:1.4}.project-copy p{margin:8px 0 0}.project-card .button-row{border-inline-start:1px solid var(--line);flex-wrap:wrap;justify-content:flex-end;margin:0;padding-inline-start:24px}.project-change{color:var(--brand-ink);margin-top:7px;font-size:.9rem;display:block}.project-copy>p:last-child{font-size:.73rem}.project-card .button{min-height:44px;font-size:.8rem}.project-preview svg text{font-size:26px}.project-preview svg>rect:first-of-type{fill:#0000}@media (max-width:1000px){.project-card{grid-template-columns:170px minmax(0,1fr);gap:20px}.project-card .button-row{border:0;border-top:1px solid var(--line);grid-column:1/-1;justify-content:flex-start;padding:15px 0 0}.project-card .button{flex:1}}@media (max-width:540px){.project-filters{grid-template-columns:1fr}.project-card{grid-template-columns:1fr;gap:10px;padding:18px}.project-preview{max-width:240px;margin:auto}.project-copy h2{font-size:1.1rem}.project-card .button-row{gap:8px}.project-card .button{padding:9px;font-size:.74rem}.summary-inputs{gap:10px}.summary-inputs strong{font-size:.85rem}.save-summary{padding:16px}.save-summary>p{align-items:flex-start;gap:8px;font-size:.8rem}}.entity-actions{flex-wrap:wrap;margin:0 0 25px}.project-preview svg>rect,.info-illustration svg>rect,.journal-feature-visual svg>rect,.editorial-figure svg>rect{fill:#0000}.project-preview svg text,.info-illustration svg text,.journal-feature-visual svg text,.editorial-figure svg text{fill:var(--ink)}.project-preview svg>g>text:first-child,.project-preview svg>g>text:last-child,.info-illustration svg>g>text:first-child,.info-illustration svg>g>text:last-child{opacity:0}.editorial-figure{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;margin:25px 0 30px;padding:15px}.editorial-figure svg{width:100%;height:auto;display:block}.editorial-figure figcaption{color:var(--muted);padding:12px 10px 0;font-size:.75rem;line-height:1.7}.project-preview svg text[fill=\#B44118],.info-illustration svg text[fill=\#B44118],.journal-feature-visual svg text[fill=\#B44118],.editorial-figure svg text[fill=\#B44118]{fill:var(--brand-ink)}.diagram-mobile-labels,.diagram-mobile-caption,.hero-swap-label,.workbench[data-single=true] .dimensions-panel tr>:nth-child(n+3),.workbench[data-single=true] .explanation-panel{display:none}@media (max-width:1000px) and (min-width:801px){.hero-fields{grid-template-columns:minmax(0,1fr) 36px minmax(0,1fr)}.hero-swap{display:flex}}@media (max-width:540px){.diagram-mobile-labels{background:var(--surface);grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:16px 6px 0;display:grid}.diagram-mobile-labels.single{grid-template-columns:1fr}.diagram-mobile-labels>div{text-align:center;flex-direction:column;gap:3px;min-width:0;font-size:13px;line-height:1.4;display:flex}.diagram-mobile-labels small,.diagram-mobile-labels span{color:var(--muted);font-size:12px}.diagram-mobile-labels strong{letter-spacing:-.02em;font-size:15px}.diagram-mobile-labels>div:nth-child(2)>small{color:var(--brand-ink)}.diagram svg[data-mobile-viewbox]{height:auto;min-height:0;max-height:none;margin-block:10px}.diagram svg[data-mobile-viewbox] text{display:none}.diagram-mobile-caption{text-align:center;color:var(--muted);margin:0;padding:0 8px 12px;font-size:12px;line-height:1.5;display:block}.dimensions-panel .data-table{table-layout:fixed;min-width:0;font-size:12px}.dimensions-panel .data-table th,.dimensions-panel .data-table td{white-space:normal;overflow-wrap:anywhere;vertical-align:top;padding:10px 4px}.dimensions-panel .data-table thead{font-size:11px}.dimensions-panel .data-table tr>:first-child{width:28%}.dimensions-panel .data-table td .muted{display:block}.workbench[data-single=true] .dimensions-panel .data-table tr>:first-child{width:55%}.hero-swap{border:1px solid var(--line);background:var(--surface-2);grid-row:3;gap:8px;width:100%;height:46px;font-size:.85rem;display:flex}.hero-fields>label:last-child{grid-row:2}.hero-swap-label{display:inline}}.report-heading{color:#182022;border-bottom:1px solid #ccd1cf;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;padding-bottom:16px;display:flex}.report-heading .brand{font-size:24px}.report-heading .brand svg{color:#e66a34;flex:none;width:39px;height:32px}.report-heading p{margin:0;font-size:12px}.report-project-name{font-weight:700}.report-graphic>svg{width:100%;height:auto;display:block}.report-speeds{margin-top:22px}.report-speeds h3{margin-bottom:6px;font-size:17px}.report-speeds>p,.report-scope{font-size:12px;line-height:1.5}.report-scope{border-top:1px solid #ccd1cf;margin-top:20px;padding-top:14px}.report-surface .data-table th,.report-surface .data-table td{border-color:#ccd1cf}.report-surface .data-table thead{background:#eef0ed}@media print{body.print .page-header{display:none}.report-heading{margin-bottom:12px;padding-bottom:10px}.report-heading .brand svg{max-height:none}.report-graphic>svg{max-height:66mm}.report-surface h2,.report-surface p{margin-bottom:8px}.report-surface .data-table th,.report-surface .data-table td{padding:5px 8px}.report-speeds{margin-top:12px}.report-speeds h3{font-size:11pt}.report-speeds>p,.report-scope{font-size:8pt}.report-surface table tr,.report-heading,.report-scope{break-inside:avoid}}.catalog{margin-block:6px 32px}.catalog-controls{margin-block-end:20px}.catalog-search{align-items:center;gap:12px;min-width:0;display:flex;position:relative}.catalog-search>svg{pointer-events:none;color:var(--muted);position:absolute;inset-inline-start:16px}.catalog-search input{min-height:49px;padding-inline-start:48px;font-weight:400}.catalog-filter-bar{border:1px solid var(--line);background:var(--surface-2);border-radius:7px;flex-wrap:wrap;align-items:center;gap:20px;margin-block-start:16px;padding:15px 18px;display:flex}.catalog-select-label{flex:1;align-items:center;gap:10px;min-width:160px;font-size:.78rem;font-weight:500;display:flex}.catalog-select-label select{flex:1;width:auto;min-width:90px;min-height:40px;margin:0;padding:7px 10px}.catalog-reset{white-space:nowrap;min-height:40px;margin-inline-start:auto;font-weight:500}.catalog-count{color:var(--ink);margin-block:20px;font-size:.86rem}.catalog-card-grid{gap:17px;display:grid}.catalog-size-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-size-card{min-height:145px;color:var(--ink);align-items:center;gap:14px;padding:14px 17px;text-decoration:none;display:flex}.catalog-size-card:hover,.catalog-pair-card:hover{border-color:var(--muted);box-shadow:0 3px 12px color-mix(in srgb,var(--ink) 6%,transparent);text-decoration:none}.catalog-size-copy{min-width:0}.catalog-size-copy h2{letter-spacing:-.025em;margin-block-end:8px;font-size:1.14rem}.catalog-size-copy p{margin-block-end:12px;line-height:1.2}.catalog-size-copy p>span{color:var(--muted);margin-block-end:3px;font-size:.72rem;display:block}.catalog-size-copy strong{letter-spacing:-.03em;font-variant-numeric:tabular-nums;font-size:1.3rem;display:block}.catalog-size-copy strong small{letter-spacing:0;font-size:.8rem;font-weight:500}.catalog-card-link{color:var(--brand-ink);align-items:center;gap:7px;font-size:.8rem;font-weight:600;display:inline-flex}.catalog-tire-thumbnail{width:65px;height:116px;color:var(--muted);stroke:currentColor;stroke-width:.9px;stroke-linejoin:round;flex:0 0 65px}.catalog-tire-shell{fill:var(--surface-2);stroke:var(--ink);stroke-width:1.2px}.catalog-pair-filters{background:0 0;border:0;gap:14px;padding:0}.catalog-filter-buttons{flex-wrap:wrap;gap:10px;min-width:0;display:flex}.catalog-filter-buttons button{border:1px solid var(--line);background:var(--surface);min-height:39px;color:var(--muted);border-radius:999px;padding:8px 17px;font-size:.8rem}.catalog-filter-buttons button[aria-pressed=true]{background:var(--button);border-color:var(--button);color:var(--button-text)}.catalog-pair-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-pair-card{color:var(--ink);grid-template-columns:minmax(120px,36%) minmax(0,1fr);align-items:center;gap:16px;min-height:215px;padding:19px 20px;text-decoration:none;display:grid}.catalog-pair-thumbnail{width:100%;height:auto;stroke:var(--muted);stroke-width:.9px;stroke-linejoin:round;display:block}.catalog-tire-baseline{stroke:var(--line);stroke-width:1px}.catalog-pair-copy{min-width:0}.catalog-pair-copy h2{letter-spacing:-.025em;overflow-wrap:anywhere;margin-block-end:5px;font-size:1.08rem;line-height:1.35}.catalog-pair-arrow{color:var(--muted);font-weight:500}.catalog-diameter-range{color:var(--muted);font-variant-numeric:tabular-nums;margin-block-end:3px;font-size:.96rem}.catalog-pair-difference{font-variant-numeric:tabular-nums;color:var(--ink);margin-block-end:8px;font-size:1.07rem;font-weight:750}.catalog-pair-context{-webkit-line-clamp:3;color:var(--muted);-webkit-box-orient:vertical;margin-block-end:10px;font-size:.8rem;line-height:1.5;display:-webkit-box;overflow:hidden}.catalog-pagination{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-block:28px 12px;display:flex}.catalog-page-button{background:var(--surface);min-width:40px;min-height:40px;color:var(--ink);padding:7px 13px;font-size:.84rem}.catalog-page-button[aria-current=page]{background:var(--button);border-color:var(--button);color:var(--button-text)}.catalog-page-button:disabled{opacity:.4;cursor:not-allowed}.catalog-empty{text-align:center;min-height:240px;margin-block:22px}.catalog-empty>svg{color:var(--muted);margin-block-end:14px}.catalog-empty h2{font-size:1.45rem}.catalog-empty p{max-width:560px;margin-inline:auto}@media (max-width:1050px){.catalog-size-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-pair-card{grid-template-columns:minmax(95px,32%) minmax(0,1fr);gap:12px;padding:16px}.catalog-pair-copy h2,.catalog-pair-difference{font-size:1rem}.catalog-select-label{min-width:140px}}@media (max-width:700px){.catalog-filter-bar{gap:12px;padding:13px}.catalog-select-label{flex-direction:column;flex:calc(50% - 12px);align-items:stretch;gap:5px;min-width:120px;font-size:.75rem}.catalog-select-label select{width:100%;min-width:0}.catalog-reset{margin-inline-start:0}.catalog-pair-filters{padding:0}.catalog-pair-grid{grid-template-columns:minmax(0,1fr)}.catalog-pair-card{grid-template-columns:minmax(90px,32%) minmax(0,1fr);min-height:190px}.catalog-pair-copy h2{font-size:1.06rem}.catalog-size-card{gap:8px;min-height:140px;padding:12px}.catalog-tire-thumbnail{flex-basis:44px;width:44px;height:105px}.catalog-size-copy h2{font-size:.97rem}.catalog-size-copy strong{font-size:1.16rem}.catalog-card-link{font-size:.74rem}.catalog-filter-buttons button{padding:8px 12px;font-size:.75rem}}@media (max-width:430px){.catalog-size-grid{grid-template-columns:minmax(0,1fr)}.catalog-size-card{gap:20px;min-height:125px;padding:12px 18px}.catalog-tire-thumbnail{flex-basis:60px;width:60px;height:105px}.catalog-size-copy h2{font-size:1.13rem}.catalog-size-copy strong{font-size:1.25rem}.catalog-pair-card{gap:10px;padding:14px}.catalog-pair-copy h2{font-size:.98rem}.catalog-diameter-range{font-size:.86rem}.catalog-pair-difference{font-size:.96rem}.catalog-page-button{padding:7px 10px}.catalog-pagination{gap:6px}}.docs-library[data-astro-cid-fsxxektz]{min-width:0;margin-block:8px 38px}.docs-search[data-astro-cid-fsxxektz]{border:1px solid var(--line);background:var(--surface);border-radius:8px;align-items:center;gap:14px;min-width:0;margin-block-end:26px;padding:6px 7px 6px 18px;display:flex}.docs-search[data-astro-cid-fsxxektz]>svg{color:var(--muted);flex:none}.docs-search[data-astro-cid-fsxxektz] input[data-astro-cid-fsxxektz]{background:0 0;border:0;flex:1;min-width:0;min-height:48px;margin:0;padding:11px 0;font-size:1rem}.docs-search[data-astro-cid-fsxxektz] input[data-astro-cid-fsxxektz]:focus{outline-offset:3px}.docs-search-submit[data-astro-cid-fsxxektz]{background:var(--surface-2);border-color:#0000;flex:none;min-height:44px}.docs-status[data-astro-cid-fsxxektz]{overflow-wrap:anywhere;margin-block:-11px 20px}.docs-topics[data-astro-cid-fsxxektz]{grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch;gap:22px;display:grid}.docs-topic-panel[data-astro-cid-fsxxektz]{border:1px solid var(--line);background:var(--surface);border-radius:10px;min-width:0;padding:25px 27px 8px}.docs-topic-heading[data-astro-cid-fsxxektz]{grid-template-columns:54px minmax(0,1fr);align-items:start;gap:20px;margin-block-end:18px;display:grid}.docs-topic-icon[data-astro-cid-fsxxektz]{border:2px solid var(--brand);width:54px;height:54px;color:var(--brand-ink);border-radius:50%;justify-content:center;align-items:center;display:flex}.docs-topic-heading[data-astro-cid-fsxxektz] h2[data-astro-cid-fsxxektz]{letter-spacing:-.025em;overflow-wrap:anywhere;margin:1px 0 7px;font-size:1.35rem;line-height:1.3}.docs-topic-heading[data-astro-cid-fsxxektz] p[data-astro-cid-fsxxektz]{color:var(--muted);margin:0;font-size:.86rem;line-height:1.6}.docs-guide[data-astro-cid-fsxxektz]{border-block-start:1px solid var(--line);color:var(--ink);grid-template-columns:minmax(0,1fr) 20px;align-items:center;gap:16px;min-width:0;min-height:78px;padding:18px 0;text-decoration:none;display:grid}.docs-guide[data-astro-cid-fsxxektz] h3[data-astro-cid-fsxxektz]{letter-spacing:-.015em;overflow-wrap:anywhere;margin:0 0 5px;font-size:1.04rem;line-height:1.35}.docs-guide[data-astro-cid-fsxxektz] p[data-astro-cid-fsxxektz]{color:var(--muted);overflow-wrap:anywhere;margin:0;font-size:.84rem;line-height:1.6}.docs-guide[data-astro-cid-fsxxektz]>svg{color:var(--muted)}.docs-guide[data-astro-cid-fsxxektz]:hover h3[data-astro-cid-fsxxektz],.docs-guide[data-astro-cid-fsxxektz]:hover>svg{color:var(--brand-ink)}.docs-empty[data-astro-cid-fsxxektz]{max-width:none;margin-block:18px 0}@media (max-width:760px){.docs-topics[data-astro-cid-fsxxektz]{grid-template-columns:1fr;gap:16px}.docs-topic-panel[data-astro-cid-fsxxektz]{padding:21px 21px 7px}.docs-topic-heading[data-astro-cid-fsxxektz]{gap:16px}.docs-topic-heading[data-astro-cid-fsxxektz] h2[data-astro-cid-fsxxektz]{font-size:1.22rem}}@media (max-width:420px){.docs-search[data-astro-cid-fsxxektz]{gap:9px;padding-inline-start:12px}.docs-search[data-astro-cid-fsxxektz] input[data-astro-cid-fsxxektz]{font-size:.9rem}.docs-search-submit[data-astro-cid-fsxxektz]{padding-inline:12px;font-size:.8rem}.docs-topic-panel[data-astro-cid-fsxxektz]{padding-inline:18px}.docs-topic-heading[data-astro-cid-fsxxektz]{grid-template-columns:46px minmax(0,1fr);gap:14px}.docs-topic-icon[data-astro-cid-fsxxektz]{width:46px;height:46px}.docs-guide[data-astro-cid-fsxxektz] h3[data-astro-cid-fsxxektz]{font-size:1rem}}.search-panel[data-astro-cid-5gryy2vu]{min-width:0}.search-panel[data-astro-cid-5gryy2vu] .search-form[data-astro-cid-5gryy2vu]{min-width:0;max-width:none}.search-panel[data-astro-cid-5gryy2vu] .search-form[data-astro-cid-5gryy2vu] input[data-astro-cid-5gryy2vu]{flex:1;min-width:0}.search-panel[data-astro-cid-5gryy2vu] .search-status[data-astro-cid-5gryy2vu]{color:var(--muted);overflow-wrap:anywhere;font-size:.88rem}.search-panel[data-astro-cid-5gryy2vu] .search-results[data-astro-cid-5gryy2vu]{min-width:0}.search-panel[data-astro-cid-5gryy2vu] .search-result{overflow-wrap:anywhere}.search-panel[data-astro-cid-5gryy2vu] .empty-state[data-astro-cid-5gryy2vu]{max-width:none;margin-block:20px}@media (max-width:540px){.search-panel[data-astro-cid-5gryy2vu] .search-form[data-astro-cid-5gryy2vu] input[data-astro-cid-5gryy2vu]{width:100%;min-height:50px}}.recovery[data-astro-cid-dsvfo4hp]{min-width:0;padding-block:4px 50px}.recovery-top[data-astro-cid-dsvfo4hp]{grid-template-columns:minmax(0,1.4fr) minmax(240px,1fr);align-items:center;gap:48px;display:grid}.recovery-search[data-astro-cid-dsvfo4hp]{min-width:0}.recovery-illustration[data-astro-cid-dsvfo4hp]{width:100%;min-width:0;max-width:490px;color:var(--muted);justify-self:end;position:relative}.recovery-illustration[data-astro-cid-dsvfo4hp] svg[data-astro-cid-dsvfo4hp]{width:100%;height:auto;max-height:310px;display:block}.recovery-code[data-astro-cid-dsvfo4hp]{color:var(--brand-ink);letter-spacing:.04em;font-size:1.15rem;font-weight:800;position:absolute;inset-block-start:7px;inset-inline-start:8%}.fine[data-astro-cid-dsvfo4hp]{opacity:.65;stroke-width:1px}.ruler-break[data-astro-cid-dsvfo4hp]{stroke:var(--brand);stroke-width:1.8px;stroke-linejoin:round}.recovery-links[data-astro-cid-dsvfo4hp]{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-block:28px 37px;display:grid}.recovery-card[data-astro-cid-dsvfo4hp]{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:9px;grid-template-columns:40px minmax(0,1fr) 22px;align-items:center;gap:17px;min-width:0;min-height:110px;padding:22px;text-decoration:none;display:grid}.recovery-card[data-astro-cid-dsvfo4hp] h2[data-astro-cid-dsvfo4hp]{letter-spacing:-.02em;overflow-wrap:anywhere;margin:0 0 7px;font-size:1.02rem;line-height:1.4}.recovery-card[data-astro-cid-dsvfo4hp] p[data-astro-cid-dsvfo4hp]{color:var(--muted);overflow-wrap:anywhere;margin:0;font-size:.8rem;line-height:1.6}.recovery-card[data-astro-cid-dsvfo4hp]>svg:last-child{color:var(--brand-ink)}.recovery-card[data-astro-cid-dsvfo4hp]:hover{border-color:var(--brand-ink)}.recovery-card[data-astro-cid-dsvfo4hp]:hover h2[data-astro-cid-dsvfo4hp]{color:var(--brand-ink)}.recovery-home[data-astro-cid-dsvfo4hp]{min-height:44px;color:var(--brand-ink);align-items:center;gap:14px;font-size:.9rem;text-decoration:none;display:inline-flex}.recovery-home[data-astro-cid-dsvfo4hp]:hover{text-decoration:underline}.recovery-home[data-astro-cid-dsvfo4hp] span[data-astro-cid-dsvfo4hp]{font-size:1.25rem}html[dir=rtl] .recovery-home[data-astro-cid-dsvfo4hp] span[data-astro-cid-dsvfo4hp]{transform:scaleX(-1)}@media (max-width:1050px){.recovery-top[data-astro-cid-dsvfo4hp]{gap:28px}.recovery-links[data-astro-cid-dsvfo4hp]{gap:12px}.recovery-card[data-astro-cid-dsvfo4hp]{grid-template-columns:32px minmax(0,1fr);gap:14px;padding:20px 17px}.recovery-card-icon[data-astro-cid-dsvfo4hp]{width:32px;height:32px}.recovery-card[data-astro-cid-dsvfo4hp]>svg:last-child{display:none}}@media (max-width:760px){.recovery-top[data-astro-cid-dsvfo4hp]{grid-template-columns:1fr;gap:12px}.recovery-illustration[data-astro-cid-dsvfo4hp]{grid-row:1;justify-self:center;max-width:360px}.recovery-illustration[data-astro-cid-dsvfo4hp] svg[data-astro-cid-dsvfo4hp]{max-height:225px}.recovery-links[data-astro-cid-dsvfo4hp]{grid-template-columns:1fr;margin-block:22px 24px}.recovery-card[data-astro-cid-dsvfo4hp]{grid-template-columns:36px minmax(0,1fr) 22px;min-height:94px;padding:18px 20px}.recovery-card[data-astro-cid-dsvfo4hp]>svg:last-child{display:block}.recovery[data-astro-cid-dsvfo4hp]{padding-block-end:28px}}