@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-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size: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-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--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{.collapse{visibility:collapse}.invisible{visibility:hidden}.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.sticky{position:sticky}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.table{display:table}.table-row{display:table-row}.shrink{flex-shrink:1}.rounded{border-radius:.25rem}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--bg:#070c0f;--panel:#10171b;--panel2:#131c21;--line:#324048;--muted:#9aa6ad;--white:#f6f7f7;--orange:#ff6b00;--blue:#34a3ff;--font-sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;--font-mono:"Cascadia Code","SFMono-Regular",Consolas,"Liberation Mono",monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 15% 8%,#12202a 0,transparent 26%),var(--bg);color:var(--white);font-family:var(--font-sans);margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.shell{width:min(1180px,100% - 40px);margin-inline:auto}.site-header{z-index:50;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#050a0df0;border-bottom:1px solid #29343a;height:86px;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:100%;display:flex}.brand{align-items:center;gap:13px;display:flex}.brand-mark{background:var(--orange);clip-path:polygon(50% 0,94% 22%,94% 76%,50% 100%,6% 76%,6% 22%);place-items:center;width:48px;height:53px;display:grid}.brand-mark:before{content:"";width:34px;height:39px;clip-path:inherit;background:#091015;position:absolute}.brand-mark span{font:800 13px var(--font-mono);letter-spacing:-1px;position:relative}.brand-copy{flex-direction:column;display:flex}.brand-copy strong{letter-spacing:.8px;font-size:23px}.brand-copy strong span{color:var(--orange)}.brand-copy small{font:600 10px var(--font-mono);letter-spacing:1.8px;color:#bec6ca}.nav{color:#c6ced2;gap:32px;font-size:14px;display:flex}.nav a:hover{color:var(--orange)}.menu-button{background:0 0;border:0;padding:8px;display:none}.menu-button span{background:#d8dddf;width:26px;height:2px;margin:5px;display:block}.hero{border-bottom:1px solid #1d292f;position:relative;overflow:hidden}.grid-noise{opacity:.5;background-image:linear-gradient(#19242a 1px,#0000 1px),linear-gradient(90deg,#19242a 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000,#0000);mask-image:linear-gradient(#000,#0000)}.grid-noise:after{content:"";border:1px solid #233039;border-radius:50%;width:620px;height:620px;position:absolute;top:10px;right:-310px;box-shadow:0 0 0 80px #222f3724,0 0 0 160px #222f3714}.hero-inner{text-align:center;padding:64px 0 58px;position:relative}.eyebrow,.kicker{font:700 11px var(--font-mono);letter-spacing:2.1px;color:var(--orange)}h1{letter-spacing:-2.8px;margin:16px 0 14px;font-size:clamp(42px,6vw,70px);line-height:1.04}.hero-copy{color:#b7c0c5;max-width:710px;margin:0 auto 30px;font-size:18px;line-height:1.55}.selector{text-align:left;background:linear-gradient(135deg,#121a1ff7,#0b1114f7);border:1px solid #41505a;border-radius:10px;max-width:960px;margin:auto;padding:24px;box-shadow:0 22px 50px #00000059}.selector-grid{grid-template-columns:repeat(4,1fr);gap:13px;display:grid}.selector label{font:700 11px var(--font-mono);letter-spacing:.7px;color:#dfe3e5}.selector select{color:#30373b;background:#f5f6f6;border:0;border-radius:5px;width:100%;height:52px;margin-top:8px;padding:0 14px}.selector select:disabled{opacity:.55}.primary{color:#fff;cursor:pointer;background:linear-gradient(90deg,#ff6500,#ff7600);border:0;border-radius:5px;width:100%;height:51px;margin-top:17px;font-weight:800;box-shadow:0 7px 20px #ff6b0033}.primary span{margin-left:8px}.primary:hover{filter:brightness(1.08)}.search-wrap{max-width:960px;margin:12px auto 0;position:relative}.search-box{color:#27323a;background:#f5f6f6;border-radius:8px;align-items:center;height:63px;padding:0 14px 0 18px;display:flex;box-shadow:0 12px 30px #00000040}.search-box svg{color:#34404a;flex:none}.search-box input{background:0 0;border:0;outline:0;flex:1;min-width:0;height:100%;padding:0 14px;font-size:16px}.search-box button{color:#fff;background:#19242a;border:0;border-radius:4px;padding:11px 20px;font-weight:700}.search-suggestions{z-index:10;color:#182126;background:#f5f6f6;border-radius:7px;position:absolute;top:68px;left:0;right:0;overflow:hidden;box-shadow:0 15px 35px #000}.search-suggestions a{text-align:left;border-bottom:1px solid #dce1e3;align-items:center;gap:10px;padding:13px 18px;display:flex}.search-suggestions a:hover{background:#e8eef1}.content{padding:26px 0 70px}.stats{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.stat{background:linear-gradient(135deg,#10181d,#0b1114);border:1px solid #3d4b52;border-radius:7px;justify-content:center;align-items:center;gap:18px;min-height:98px;display:flex}.stat svg{color:var(--blue);width:38px;height:38px}.stat p{margin:0}.stat strong,.stat span{display:block}.stat strong{color:var(--blue);margin-bottom:4px;font-size:21px}.stat span{color:#dbe0e2;font-size:14px}.section-block{margin-top:55px}.section-heading{justify-content:space-between;align-items:end;margin:0 8px 18px;display:flex}.section-heading h2{letter-spacing:-.7px;margin:7px 0 0;font-size:29px}.section-heading>a{color:#9db2be;font-size:13px}.section-heading>a:hover{color:var(--orange)}.category-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.category-card{background:linear-gradient(120deg,#11191d,#0b1114);border:1px solid #3c4a52;border-radius:7px;align-items:center;min-height:112px;padding:14px 18px;transition:all .2s;display:flex}.category-card:hover{border-color:var(--orange);background:#131c20;transform:translateY(-2px)}.icon-box{color:#e5e9ea;border:1px solid #57666d;border-radius:7px;flex:none;place-items:center;width:74px;height:74px;display:grid}.icon-box svg{width:45px;height:45px}.category-copy{flex-direction:column;gap:7px;padding:0 18px;display:flex}.category-copy strong{font-size:17px}.category-copy small{color:#aab4b9;font-size:14px}.arrow{color:var(--orange);margin-left:auto;font-size:29px}.popular-grid{grid-template-columns:1fr 1fr;gap:11px;display:grid}.popular-grid a{background:#0f171b;border:1px solid #3d4a51;border-radius:7px;align-items:center;gap:15px;height:61px;padding:0 20px;display:flex}.popular-grid svg{color:var(--blue)}.popular-grid b{color:var(--orange);opacity:0;margin-left:auto}.popular-grid a:hover{border-color:#4d9ad0}.popular-grid a:hover b{opacity:1}.make-grid{grid-template-columns:repeat(5,1fr);gap:10px;display:grid}.make-grid a{background:linear-gradient(#11191e,#0c1215);border:1px solid #3c4950;border-radius:7px;flex-direction:column;justify-content:center;align-items:center;gap:8px;height:142px;display:flex}.make-grid a:hover{border-color:var(--blue);transform:translateY(-2px)}.make-grid small{color:#7f8c93;font-size:11px}.car-icon{border:2px solid var(--blue);border-radius:7px 7px 4px 4px;width:46px;height:25px;position:relative}.car-icon:before{content:"";border:2px solid var(--blue);border-bottom:0;width:28px;height:10px;position:absolute;top:-9px;left:7px;transform:skew(-18deg)}.car-icon i{border:2px solid var(--blue);background:#0c1215;border-radius:50%;width:7px;height:7px;position:absolute;bottom:-6px}.car-icon i:first-child{left:5px}.car-icon i:nth-child(2){right:5px}.car-icon i:last-child{display:none}.safety-note{border-left:3px solid var(--orange);color:#9eaaaf;background:#10171b;align-items:flex-start;gap:14px;margin-top:38px;padding:17px 20px;font-size:13px;line-height:1.6;display:flex}.safety-note>span{border:1px solid var(--orange);width:22px;height:22px;color:var(--orange);border-radius:50%;flex:none;place-items:center;font-weight:800;display:grid}.safety-note p{margin:0}.safety-note strong{color:#fff}.assurance{background:#091014;border-top:1px solid #2a373d;border-bottom:1px solid #2a373d}.assurance-grid{grid-template-columns:repeat(3,1fr);padding:28px 0;display:grid}.assurance-grid>div{border-right:1px solid #39454b;justify-content:center;align-items:center;gap:16px;display:flex}.assurance-grid>div:last-child{border:0}.assurance p{color:#bac2c6;margin:0;font-size:14px;line-height:1.45}.assurance strong{color:#fff}.trust-symbol{color:var(--blue);font:600 35px var(--font-mono)}footer{background:#05090b}.footer-inner{color:#8f9ba1;justify-content:space-between;align-items:center;min-height:100px;font-size:13px;display:flex}.footer-inner nav{gap:27px;display:flex}.footer-inner a:hover{color:#fff}.inner-page{min-height:70vh}.page-hero{background:linear-gradient(100deg,#0c151b,#070c0f);border-bottom:1px solid #29363d;padding:56px 0 34px}.breadcrumbs{font:600 11px var(--font-mono);letter-spacing:.8px;color:#7f9099;text-transform:uppercase}.breadcrumbs a{color:var(--blue)}.page-hero h1{margin:15px 0 10px;font-size:clamp(35px,5vw,54px)}.page-hero p{color:#aeb9bf;max-width:720px;margin:0;line-height:1.6}.page-content{padding:36px 0 75px}.hub-grid{grid-template-columns:repeat(3,1fr);gap:13px;display:grid}.hub-card{background:#10171b;border:1px solid #36434a;border-radius:8px;min-height:155px;padding:22px}.hub-card:hover{border-color:var(--orange)}.hub-card .icon-box{width:49px;height:49px}.hub-card .icon-box svg{width:28px}.hub-card h3{margin:17px 0 7px}.hub-card p{color:#96a2a8;font-size:13px;line-height:1.5}.hub-card .mini-link{color:var(--orange);font-size:12px;font-weight:700}.quick-answer{border:1px solid #34556b;border-left:4px solid var(--blue);background:linear-gradient(100deg,#101d24,#0d1519);border-radius:7px;margin-bottom:26px;padding:23px 25px}.quick-answer small{font:700 11px var(--font-mono);letter-spacing:1.5px;color:var(--blue)}.quick-answer p{margin:9px 0 0;font-size:18px;line-height:1.6}.spec-layout{grid-template-columns:1.5fr .7fr;gap:24px;display:grid}.spec-card{background:#0e161a;border:1px solid #38464d;border-radius:8px;overflow:hidden}.spec-card h2{border-bottom:1px solid #334047;margin:0;padding:20px 22px;font-size:20px}.spec-table{border-collapse:collapse;width:100%}.spec-table th,.spec-table td{text-align:left;border-bottom:1px solid #29363c;padding:16px 20px}.spec-table th{font:700 10px var(--font-mono);letter-spacing:1px;color:#87969e}.spec-table td:nth-child(2){color:var(--orange);font-weight:700}.spec-table td:last-child{color:#93a0a7;font-size:13px}.procedure{padding:22px}.procedure h2{border:0;padding:0}.procedure p{color:#aeb7bc;line-height:1.7}.side-card{background:#10171b;border:1px solid #39464d;border-radius:8px;height:max-content;padding:22px}.side-card h3{margin-top:0}.side-card a{color:#b7c1c6;border-bottom:1px solid #2d393f;padding:12px 0;display:block}.side-card a:hover{color:var(--orange)}.reviewed{font:600 11px var(--font-mono);color:#75858e;margin-top:20px}.utility{max-width:760px}.utility h2{margin-top:35px}.utility p{color:#aeb7bc;line-height:1.75}.search-results{gap:12px;display:grid}.search-result{background:#10171b;border:1px solid #35434a;border-radius:7px;padding:20px}.search-result:hover{border-color:var(--blue)}.search-result small{color:var(--orange);font:600 10px var(--font-mono);text-transform:uppercase}.search-result h3{margin:7px 0}.search-result p{color:#98a4aa;margin:0;font-size:13px}@media (max-width:900px){.selector-grid,.stats{grid-template-columns:1fr 1fr}.make-grid{grid-template-columns:repeat(3,1fr)}.hub-grid{grid-template-columns:1fr 1fr}.spec-layout{grid-template-columns:1fr}.nav{display:none}.menu-button{display:block}.nav.open{background:#11191d;border:1px solid #354249;border-radius:7px;flex-direction:column;width:200px;padding:20px;display:flex;position:absolute;top:74px;right:20px}.brand-copy strong{font-size:20px}}@media (max-width:650px){.shell{width:min(100% - 24px,1180px)}.site-header{height:74px}.brand-mark{width:40px;height:45px}.brand-copy small{font-size:8px}.hero-inner{padding:44px 0}.eyebrow{font-size:9px}h1{letter-spacing:-1.6px;font-size:39px}.hero-copy{font-size:15px}.selector{padding:15px}.selector-grid,.category-grid,.popular-grid,.stats,.hub-grid{grid-template-columns:1fr}.search-box{height:57px}.search-box button{display:none}.stat{justify-content:flex-start;padding-left:28px}.section-heading{align-items:flex-start}.section-heading>a{display:none}.section-heading h2{font-size:25px}.category-card{min-height:96px;padding:11px}.icon-box{width:61px;height:61px}.icon-box svg{width:38px}.category-copy{padding:0 12px}.category-copy small{font-size:12px}.make-grid{grid-template-columns:repeat(2,1fr)}.assurance-grid{grid-template-columns:1fr}.assurance-grid>div{border-bottom:1px solid #39454b;border-right:0;justify-content:flex-start;padding:16px}.footer-inner{padding:25px 0;display:block}.footer-inner nav{flex-wrap:wrap;gap:16px;margin-top:18px}.page-hero{padding:38px 0 26px}.spec-table th,.spec-table td{padding:12px 10px;font-size:12px}.spec-table th:last-child,.spec-table td:last-child{display:none}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.spec-hero{padding-bottom:42px}.spec-hero h1{max-width:920px;line-height:1.05}.spec-label{gap:8px;margin-top:22px;display:flex}.spec-label span{color:#aab6bc;font:700 9px var(--font-mono);letter-spacing:1px;text-transform:uppercase;border:1px solid #3d4b52;border-radius:3px;padding:6px 9px}.spec-label span:first-child{color:#ff8b3a;border-color:#8a430f}.review-line{color:#71828b;font:600 10px var(--font-mono);letter-spacing:.4px;text-transform:uppercase;flex-wrap:wrap;gap:9px;margin-top:17px;display:flex}.article-shell{grid-template-columns:190px minmax(0,800px);justify-content:center;gap:48px;padding-top:42px;padding-bottom:85px;display:grid}.toc{border-left:1px solid #314049;flex-direction:column;align-self:start;padding-left:18px;display:flex;position:sticky;top:112px}.toc strong{font:700 10px var(--font-mono);letter-spacing:1.4px;color:#ff7a1a;margin-bottom:10px}.toc a{color:#81919a;padding:7px 0;font-size:12px;line-height:1.35}.toc a:hover{color:#eef2f3}.article-main{min-width:0}.article-main .quick-answer{margin:0 0 25px}.scope-note{color:#8fa1aa;border-top:1px solid #2b424f;margin-top:17px;padding-top:13px;font-size:12px;line-height:1.6}.scope-note b{color:#dce4e7}.intro-copy{color:#c3ccd0;margin:0 4px 32px;font-size:17px;line-height:1.75}.intro-copy p{margin:0 0 17px}.visual-module,.content-panel{background:linear-gradient(145deg,#111a1f,#0a1115);border:1px solid #394951;border-radius:9px;margin:28px 0;overflow:hidden}.visual-head,.content-panel-head{border-bottom:1px solid #2c3a41;justify-content:space-between;align-items:center;padding:21px 23px;display:flex}.visual-head h2,.content-panel-head h2{letter-spacing:-.3px;margin:5px 0 0;font-size:21px}.visual-actions{gap:7px;display:flex}.visual-actions button{color:#cbd4d8;cursor:pointer;background:#172128;border:1px solid #40515a;border-radius:4px;padding:8px 11px;font-size:11px}.visual-actions button:hover{color:#fff;border-color:#ff6b00}.visual-tabs{background:#0a1115;border-bottom:1px solid #2b383e;padding-left:19px;display:flex}.visual-tabs button{color:#7e8e96;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;padding:12px 16px;font-size:12px;font-weight:700}.visual-tabs button.active{color:#fff;border-color:#ff6b00}.visual-body{grid-template-columns:1fr 150px;align-items:stretch;min-height:365px;display:grid}.diagram-graphic{background-color:#0c1418;background-image:linear-gradient(#19252b 1px,#0000 1px),linear-gradient(90deg,#19252b 1px,#0000 1px);background-size:25px 25px;min-height:365px;padding:28px;position:relative;overflow:hidden}.active-readout{background:#0a1114;border-left:1px solid #2d3c43;flex-direction:column;justify-content:center;align-items:flex-start;padding:20px;display:flex}.active-readout small{font:700 9px var(--font-mono);letter-spacing:1.5px;color:#6e8089}.active-readout strong{font:800 27px var(--font-mono);color:#ff7620;margin:8px 0}.active-readout span{color:#74868e;font-size:11px}.active-readout button{color:#43aaff;cursor:pointer;background:0 0;border:0;margin-top:24px;padding:0;font-size:12px}.diagram-caption{color:#7f9098;border-top:1px solid #2d3a40;margin:0;padding:13px 22px;font-size:11px;line-height:1.5}.diagram-point{color:#dbe3e6;cursor:pointer;background:#101b21;border:1px solid #466170;border-radius:5px;transition:all .15s}.diagram-point b{color:#43aaff}.diagram-point span{font-size:10px}.diagram-point:hover,.diagram-point.active{color:#fff;border-color:#ff6b00;box-shadow:0 0 0 2px #ff6b0024}.diagram-point.active b{color:#ff7a1a}.engine-front{text-align:center;font:700 9px var(--font-mono);letter-spacing:1.4px;color:#5f747e;margin-bottom:12px}.engine-banks{grid-template-columns:1fr 120px 1fr;align-items:center;max-width:420px;margin:auto;display:grid}.engine-banks>div:first-child,.engine-banks>div:last-child{gap:9px;display:grid}.engine-banks>div:first-child span,.engine-banks>div:last-child span{height:42px;font:800 15px var(--font-mono);background:#111c21;border:1px solid #466170;border-radius:20px;place-items:center;transition:all .15s;display:grid}.engine-banks span.active{color:#fff;box-shadow:0 0 22px #ff6b0040;background:#42200c!important;border-color:#ff6b00!important}.engine-valley{text-align:center;color:#61737c;font:800 20px var(--font-mono)}.engine-valley small{font-size:9px}.sequence-strip{flex-wrap:wrap;justify-content:center;gap:5px;margin-top:19px;display:flex}.sequence-strip .diagram-point{width:42px;height:42px}.sequence-strip .diagram-point b{display:block}.sequence-strip .diagram-point span{display:none}.wheel-graphic{place-items:center;display:grid}.wheel-ring{border:24px solid #18252c;border-radius:50%;width:260px;height:260px;position:relative;box-shadow:inset 0 0 0 2px #3d505a,0 0 0 2px #34434b}.wheel-ring:after{content:"";background:#0d161a;border:2px solid #35464e;border-radius:50%;position:absolute;inset:65px}.wheel-ring .diagram-point{z-index:2;border-radius:50%;width:52px;height:52px;position:absolute}.wheel-ring .diagram-point b{display:block}.wheel-ring .diagram-point span{display:none}.wheel-ring .diagram-point:first-child{top:-13px;left:80px}.wheel-ring .diagram-point:nth-child(2){bottom:43px;right:-3px}.wheel-ring .diagram-point:nth-child(3){bottom:-5px;left:25px}.wheel-ring .diagram-point:nth-child(4){top:48px;left:-8px}.wheel-ring .diagram-point:nth-child(5){top:25px;right:14px}.wheel-label{text-align:center;font:800 13px var(--font-mono);color:#6f838d;line-height:1.2;position:absolute}.wheel-label small{font-size:8px}.spark-graphic{flex-direction:column;justify-content:center;align-items:center;display:flex}.spark-body{background:repeating-linear-gradient(0deg,#151f24 0 8px,#71818a 9px 11px);border:3px solid #82939c;border-radius:8px 8px 25px 25px;width:80px;height:180px;margin-bottom:32px;position:relative;transform:rotate(8deg)}.spark-body:before{content:"";background:#d6dddf;border-radius:0 0 5px 5px;width:24px;height:75px;position:absolute;bottom:-55px;left:25px}.spark-body:after{content:"";border:5px solid #ff7620;border-top:0;width:45px;height:18px;position:absolute;bottom:-60px;left:25px}.spark-body i{display:none}.spark-body strong{color:#ff7620;font:800 11px var(--font-mono);position:absolute;bottom:-66px;left:82px}.choice-row{gap:8px;display:flex}.choice-row .diagram-point{padding:9px 12px}.choice-row b{display:none}.timing-graphic{padding:50px 40px}.degree-scale{color:#6d7f88;font:700 9px var(--font-mono);border-bottom:1px solid #52636b;grid-template-columns:repeat(5,1fr);padding-bottom:5px;display:grid}.timing-graphic .timing-bar{cursor:pointer;color:#a1adb2;background:0 0;border:0;border-bottom:1px solid #26343b;align-items:center;gap:12px;width:100%;height:58px;display:flex}.timing-bar span{background:#226aa0;border-radius:0 8px 8px 0;height:13px;transition:all .2s}.timing-bar b{white-space:nowrap;font:700 11px var(--font-mono)}.timing-bar.active span{background:#ff6b00;box-shadow:0 0 15px #ff6b0040}.timing-bar.active b{color:#fff}.workflow-graphic{justify-content:center;align-items:center;gap:13px;display:flex}.workflow-line{background:#31454f;height:2px;position:absolute;left:12%;right:12%}.workflow-graphic .diagram-point{z-index:2;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:78px;height:78px;display:flex;position:relative}.workflow-graphic .diagram-point b{font-size:15px}.workflow-graphic .diagram-point span{text-transform:uppercase;font:700 8px var(--font-mono);margin-top:5px}.main-graphic{place-items:center;display:grid}.crank-line{border:2px solid #40535d;border-radius:20px;height:32px;position:absolute;left:10%;right:10%}.cap-grid{z-index:2;grid-template-columns:repeat(4,1fr);gap:22px;display:grid;position:relative}.cap-grid .diagram-point{border-radius:12px;width:80px;height:80px}.cap-grid .diagram-point b,.cap-grid .diagram-point span{display:block}.bolt-graphic{place-items:center;display:grid}.component-outline{background:#101b21b3;border:2px solid #40515a;border-radius:38px;position:absolute;inset:65px 55px}.intake-graphic .component-outline{clip-path:polygon(12% 0,88% 0,100% 100%,0 100%)}.head-graphic .component-outline{border-radius:12px}.bolt-grid{z-index:2;grid-template-columns:repeat(6,1fr);gap:12px;display:grid;position:relative}.bolt-grid .diagram-point{border-radius:50%;width:52px;height:52px}.bolt-grid .diagram-point b{display:block}.bolt-grid .diagram-point span{display:none}.visual-table{width:calc(100% - 30px);margin:15px}.text-equivalent{grid-column:1/-1;grid-template-columns:repeat(2,1fr);gap:8px;margin:0;padding:28px;display:grid}.text-equivalent li{color:#b8c2c7;border:1px solid #314149;border-radius:5px;gap:12px;padding:12px;list-style:none;display:flex}.text-equivalent b{color:#ff7520;font:800 12px var(--font-mono)}.content-panel-head{display:block}.content-panel .table-note{color:#82929a;border-top:1px solid #2e3b42;margin:0;padding:17px 22px;font-size:12px;line-height:1.6}.article-section{border-bottom:1px solid #253239;padding:28px 4px;scroll-margin-top:105px}.article-section h2{letter-spacing:-.5px;margin:7px 0 17px;font-size:27px}.article-section>p{color:#aeb9be;font-size:16px;line-height:1.75}.procedure-list{margin:22px 0 0;padding:0;list-style:none}.procedure-list li{border-top:1px solid #2b3940;grid-template-columns:48px 1fr;gap:17px;padding:16px 0;display:grid}.procedure-list li>span{font:800 13px var(--font-mono);color:#ff7620;border:1px solid #684121;border-radius:50%;place-items:center;width:40px;height:40px;display:grid}.procedure-list p{color:#bdc6ca;margin:7px 0 0;line-height:1.65}.check-list{grid-template-columns:1fr 1fr;gap:9px;margin:18px 0;padding:0;display:grid}.check-list li{color:#aeb9be;background:#0f171b;border:1px solid #2f3d44;border-radius:5px;padding:12px 12px 12px 36px;font-size:13px;line-height:1.4;list-style:none;position:relative}.check-list li:before{content:"✓";color:#43aaff;font-weight:800;position:absolute;left:13px}.critical-callout{background:linear-gradient(110deg,#24150c,#111719);border:1px solid #69401f;border-radius:7px;gap:15px;margin:28px 0;padding:20px;display:flex}.critical-callout>span{color:#ff7620;border:1px solid #ff6b00;border-radius:50%;flex:none;place-items:center;width:30px;height:30px;font-weight:800;display:grid}.critical-callout strong{font-size:14px}.critical-callout p{color:#9fa9ae;margin:5px 0 0;font-size:13px;line-height:1.55}.faq-section details{border-top:1px solid #2e3b42}.faq-section details:last-child{border-bottom:1px solid #2e3b42}.faq-section summary{cursor:pointer;color:#dce2e4;justify-content:space-between;align-items:center;padding:17px 2px;font-weight:650;list-style:none;display:flex}.faq-section summary::-webkit-details-marker{display:none}.faq-section summary span{color:#ff7620;font-size:20px}.faq-section details[open] summary span{transform:rotate(45deg)}.faq-section details p{color:#9ba9af;margin:0 0 18px;line-height:1.65}.source-section>a{border-top:1px solid #2c3940;align-items:center;gap:13px;padding:14px 0;display:flex}.source-section>a>b{color:#43aaff;width:28px;height:28px;font:700 10px var(--font-mono);border:1px solid #3b505b;border-radius:50%;place-items:center;display:grid}.source-section>a>span{flex-direction:column;gap:4px;display:flex}.source-section>a strong{font-size:13px}.source-section>a small{color:#7f9098}.source-section>a em{color:#ff7620;margin-left:auto;font-style:normal}.source-section>a:hover strong{color:#43aaff}.related-section{padding:34px 0}.related-section h2{margin:7px 0 17px;font-size:26px}.related-grid{grid-template-columns:1fr 1fr;gap:9px;display:grid}.related-grid a{background:#0e161a;border:1px solid #324149;border-radius:6px;flex-direction:column;gap:7px;padding:16px;display:flex}.related-grid small{color:#ff7620;font:700 9px var(--font-mono);text-transform:uppercase}.related-grid strong{font-size:14px}.related-grid span{color:#768992;font-size:11px}.related-grid a:hover{border-color:#43aaff}.article-pagination{border-top:1px solid #304047;justify-content:space-between;padding-top:20px;display:flex}.article-pagination a{color:#43aaff;font-size:13px}.article-pagination span{color:#a4b0b5}.engine-hub-hero .kicker{margin-top:28px;display:block}.hub-facts{flex-wrap:wrap;gap:10px;margin-top:24px;display:flex}.hub-facts span{color:#88979e;border:1px solid #3b4a51;border-radius:5px;padding:10px 13px;font-size:11px}.hub-facts b{color:#f0f3f4;margin-right:4px}.hub-intro{grid-template-columns:.7fr 1.3fr;align-items:end;gap:40px;margin:5px 0 28px;display:grid}.hub-intro h2{margin:7px 0 0;font-size:28px}.hub-intro p{color:#9daab0;margin:0;line-height:1.65}.engine-guide-grid .hub-card{min-height:260px;position:relative}.engine-guide-grid .hub-card small{font:700 9px var(--font-mono);color:#ff7620;text-transform:uppercase;margin-top:15px}.engine-guide-grid .hub-card h3{font-size:17px}.engine-guide-grid .hub-card p{margin-top:0}.guide-number{color:#314149;font:800 24px var(--font-mono);position:absolute;top:15px;right:17px}.hub-callout{margin-top:35px}.hub-more{text-align:center;margin-top:28px}.hub-more a{color:#43aaff}@media (max-width:950px){.article-shell{grid-template-columns:1fr;width:min(800px,100% - 32px)}.toc{display:none}.visual-body{grid-template-columns:1fr 130px}.hub-intro{grid-template-columns:1fr}.engine-guide-grid{grid-template-columns:1fr 1fr}}@media (max-width:650px){.spec-label{flex-wrap:wrap}.review-line{font-size:8px}.article-shell{width:calc(100% - 24px);padding-top:24px}.intro-copy{font-size:15px}.visual-head{align-items:flex-start;gap:15px}.visual-head h2{font-size:18px}.visual-actions{flex-direction:column}.visual-body{display:block}.diagram-graphic{min-height:330px;padding:20px 12px}.active-readout{border-top:1px solid #2d3c43;border-left:0;grid-template-columns:1fr 1fr;gap:4px;min-height:105px;display:grid}.active-readout strong{margin:0}.active-readout button{text-align:right;margin:0}.engine-banks{grid-template-columns:1fr 80px 1fr}.wheel-ring{transform:scale(.84)}.workflow-graphic{flex-wrap:wrap;align-content:center}.workflow-line{display:none}.workflow-graphic .diagram-point{width:66px;height:66px}.bolt-grid{grid-template-columns:repeat(4,1fr);gap:8px}.bolt-grid .diagram-point{width:44px;height:44px}.component-outline{inset:40px 20px}.cap-grid{grid-template-columns:repeat(2,1fr);gap:12px}.text-equivalent,.check-list,.related-grid,.engine-guide-grid{grid-template-columns:1fr}.article-section h2{font-size:23px}.hub-facts{display:grid}.source-section>a small{font-size:10px}.procedure-list{margin-top:10px}}.physical-pattern{flex-direction:column;justify-content:center;gap:16px;display:flex}.pattern-orientation{text-align:center;color:#71858f;font:700 10px var(--font-mono);letter-spacing:1.2px}.pattern-component{clip-path:polygon(6% 0,94% 0,100% 100%,0 100%);background:#101b21c2;border:2px solid #40515a;border-radius:34px;flex-direction:column;justify-content:space-between;gap:118px;width:min(88%,620px);margin:0 auto;padding:35px 42px;display:flex;position:relative}.pattern-row{justify-content:space-between;gap:12px;display:flex}.pattern-row .diagram-point{border-radius:50%;flex:0 0 50px;width:50px;height:50px}.pattern-row .diagram-point b{font:800 16px var(--font-mono);display:block}.pattern-row .diagram-point span{clip:rect(0,0,0,0);width:1px;height:1px;position:absolute;overflow:hidden}.pattern-front-arrow{color:#60757f;font:800 11px var(--font-mono);letter-spacing:1.2px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.coordinate-component{clip-path:polygon(3% 8%,88% 0,100% 28%,96% 92%,10% 100%,0 72%);height:310px;padding:0;display:block}.coordinate-component .diagram-point{border-radius:50%;width:50px;height:50px;position:absolute;transform:translate(-50%,-50%)}.coordinate-component .diagram-point b{font:800 16px var(--font-mono);display:block}.coordinate-component .diagram-point span{clip:rect(0,0,0,0);width:1px;height:1px;position:absolute;overflow:hidden}@media (max-width:650px){.pattern-component{gap:100px;width:96%;padding:28px 18px}.pattern-row{gap:5px}.pattern-row .diagram-point{flex-basis:39px;width:39px;height:39px}.pattern-row .diagram-point b{font-size:13px}.pattern-front-arrow{font-size:9px}}@media print{.site-header,.toc,.visual-actions,.visual-tabs,.active-readout,.assurance,footer,.related-section,.article-pagination{display:none!important}body{color:#111;background:#fff}.article-shell{width:100%;padding:10px;display:block}.page-hero{background:#fff;border:0;padding:20px 0}.page-hero p,.intro-copy,.article-section>p,.procedure-list p,.faq-section details p{color:#222}.visual-module,.content-panel,.quick-answer{break-inside:avoid;background:#fff;border-color:#999}.diagram-graphic{background:#fff}.article-section{break-inside:avoid}.faq-section details,.faq-section details p{display:block}.source-section>a{color:#111}}.home-feature-grid{grid-template-columns:repeat(4,1fr);gap:11px;display:grid}.home-feature-card{background:linear-gradient(145deg,#111b20,#0b1114);border:1px solid #3b4950;border-radius:8px;flex-direction:column;align-items:flex-start;gap:11px;min-height:150px;padding:20px;display:flex}.home-feature-card:hover{border-color:var(--orange);transform:translateY(-2px)}.home-feature-card>small{font:700 9px var(--font-mono);letter-spacing:1px;color:#78909c}.home-feature-card>strong{font-size:17px;line-height:1.3}.home-feature-card>span:last-child{color:#55b8f6;margin-top:auto;font-size:11px}.code-token{color:#ff8b3a;min-width:73px;height:38px;font:900 17px var(--font-mono);letter-spacing:1px;background:#21140c;border:1px solid #ff6b00;border-radius:5px;place-items:center;padding:0 10px;display:inline-grid}.code-entry .code-token{margin-bottom:4px}.code-entry small{color:#82939c;line-height:1.4}.compare-card-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.compare-card{background:linear-gradient(145deg,#111b20,#0b1114);border:1px solid #37464d;border-radius:9px;flex-direction:column;min-height:235px;padding:26px;display:flex}.compare-card:hover{border-color:var(--orange);transform:translateY(-2px)}.compare-card small{font:700 9px var(--font-mono);letter-spacing:1.2px;color:#ff8430}.compare-card h2{letter-spacing:-.5px;margin:14px 0 8px;font-size:24px}.compare-card p{color:#9daab0;font-size:14px;line-height:1.65}.compare-card span{color:#55b8f6;margin-top:auto;font-size:12px;font-weight:700}.compare-hub-hero .kicker,.code-hub-hero .kicker,.comparison-hero .kicker{margin-top:22px;display:block}.comparison-shell,.code-layout{grid-template-columns:minmax(0,800px) 250px;justify-content:center;gap:38px;padding-top:40px;padding-bottom:80px;display:grid}.comparison-aside{flex-direction:column;gap:15px;display:flex}.comparison-aside .side-card{position:sticky;top:105px}.comparison-aside .side-card+.side-card{position:static}.choose-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;display:grid}.choose-grid>div{background:#0e171b;border:1px solid #35454d;border-top:3px solid #34a3ff;border-radius:7px;padding:20px}.choose-grid>div+div{border-top-color:#ff6b00}.choose-grid small{font:800 9px var(--font-mono);letter-spacing:1px;color:#55b8f6}.choose-grid>div+div small{color:#ff8738}.choose-grid p{color:#b1bcc1;margin:10px 0 0;font-size:14px;line-height:1.65}.table-scroll{border:1px solid #35444c;border-radius:8px;margin-top:22px;overflow-x:auto}.compare-table,.diagnostic-table{border-collapse:collapse;background:#0d1519;width:100%}.compare-table th,.compare-table td,.diagnostic-table th,.diagnostic-table td{text-align:left;vertical-align:top;border-bottom:1px solid #29373e;padding:15px 14px}.compare-table thead th,.diagnostic-table thead th{color:#84959d;font:800 9px var(--font-mono);letter-spacing:.8px;text-transform:uppercase;background:#111c21}.compare-table tbody th{width:28%;font-size:13px}.compare-table tbody th small{color:#778991;margin-top:5px;font-weight:400;line-height:1.45;display:block}.compare-table td{color:#c6ced2;font-size:13px}.edge-pill{color:#71bdfa;font:800 9px var(--font-mono);white-space:nowrap;border:1px solid #3d5664;border-radius:4px;padding:5px 7px;display:inline-block}.edge-pill.rival{color:#ff9a54;border-color:#714521}.edge-pill.tie{color:#b7c2c7;border-color:#53616a}.decision-tool,.symptom-tool{background:linear-gradient(145deg,#111b20,#0a1114);border:1px solid #3a4a52;border-radius:9px;margin:28px 0;overflow:hidden}.decision-tool .content-panel-head p,.symptom-tool .content-panel-head p{color:#8f9ea5;margin:9px 0 0;font-size:13px;line-height:1.55}.decision-options,.symptom-options{border-top:1px solid #29373e;border-bottom:1px solid #29373e;flex-wrap:wrap;gap:8px;padding:18px 22px;display:flex}.decision-options button,.symptom-options button{color:#9dabb2;cursor:pointer;background:#10191e;border:1px solid #3c4d55;border-radius:5px;padding:10px 12px;font-size:12px}.decision-options button:hover,.decision-options button.active,.symptom-options button:hover,.symptom-options button.active{color:#fff;background:#28170d;border-color:#ff6b00}.decision-result,.symptom-result{padding:22px}.decision-result small,.symptom-result small{font:800 9px var(--font-mono);letter-spacing:1.2px;color:#55b8f6}.decision-result strong{color:#ff8430;margin-top:7px;font-size:25px;display:block}.decision-result p,.symptom-result p{color:#b8c2c7;margin:8px 0 0;line-height:1.65}.long-checks{grid-template-columns:1fr}.long-checks li{font-size:14px;line-height:1.55}.diagnostic-table th{color:#e2e7e9;width:25%;font-size:13px}.diagnostic-table td{color:#a9b5ba;font-size:13px;line-height:1.55}.code-card-grid{grid-template-columns:1fr 1fr;gap:13px;display:grid}.code-card{background:linear-gradient(145deg,#111b20,#0b1114);border:1px solid #37464d;border-radius:9px;grid-template-columns:auto 1fr;gap:18px;padding:23px;display:grid}.code-card:hover{border-color:#ff6b00;transform:translateY(-2px)}.code-card small{color:#67818e;font:700 9px var(--font-mono);letter-spacing:.7px}.code-card h2{margin:8px 0;font-size:18px}.code-card p{color:#93a2a9;font-size:13px;line-height:1.55}.code-card b{color:#55b8f6;font-size:11px}.code-heading{align-items:center;gap:20px;margin-top:22px;display:flex}.code-heading h1{margin:7px 0 10px}.code-token.large{min-width:118px;height:78px;font-size:29px}.severity-banner{background:#1d140e;border:1px solid #6e4828;border-left:4px solid #ff6b00;border-radius:7px;grid-template-columns:145px 1fr;align-items:center;gap:22px;margin:0 0 28px;padding:20px 22px;display:grid}.severity-banner small{color:#a98a74;font:800 9px var(--font-mono);letter-spacing:1px;display:block}.severity-banner strong{color:#ff8c3b;margin-top:5px;display:block}.severity-banner p{color:#c2b6ae;margin:0;font-size:13px;line-height:1.6}.severity-banner.service-soon{background:#0d1920;border-color:#3b5666 #3b5666 #3b5666 #34a3ff}.severity-banner.informational{background:#101619;border-color:#3f4c53 #3f4c53 #3f4c53 #7f9199}.severity-banner.informational strong{color:#b9c6cc}.symptom-result p{font-size:15px}.code-layout article{min-width:0}@media (max-width:950px){.home-feature-grid{grid-template-columns:1fr 1fr}.comparison-shell,.code-layout{grid-template-columns:minmax(0,800px)}.comparison-aside{display:none}}@media (max-width:650px){.home-feature-grid,.compare-card-grid,.code-card-grid,.choose-grid,.code-card{grid-template-columns:1fr}.comparison-shell,.code-layout{width:calc(100% - 24px);padding-top:24px}.code-heading{display:block}.code-token.large{min-width:100px;height:55px;margin-bottom:13px;font-size:24px}.severity-banner{grid-template-columns:1fr}.decision-options,.symptom-options{grid-template-columns:1fr;display:grid}.compare-table th,.compare-table td,.diagnostic-table th,.diagnostic-table td{min-width:135px}}.article-section h3{margin:25px 0 10px;font-size:19px}.article-section>h3+ul{margin-top:13px}.cost-table th,.cost-table td{min-width:145px}.video-grid{grid-template-columns:1fr 1fr;gap:14px;margin-top:20px;display:grid}.video-grid>div{background:#0d161a;border:1px solid #35454d;border-radius:8px;overflow:hidden}.video-grid iframe{aspect-ratio:16/9;background:#05090b;border:0;width:100%;display:block}.video-grid h3{margin:15px 16px 5px;font-size:15px}.video-grid p{color:#8fa0a8;margin:0 16px 17px;font-size:12px;line-height:1.55}.related-code-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:20px;display:grid}.related-code-grid>a,.related-code-grid>div{background:#0e171b;border:1px solid #35444c;border-radius:7px;flex-direction:column;align-items:flex-start;padding:18px;display:flex}.related-code-grid>a:hover{border-color:#34a3ff}.related-code-grid span{color:#ff8330;font:900 16px var(--font-mono)}.related-code-grid strong{margin-top:8px;font-size:14px}.related-code-grid p{color:#8f9fa6;flex:1;font-size:12px;line-height:1.55}.related-code-grid b{color:#55b8f6;font-size:10px}@media (max-width:650px){.video-grid,.related-code-grid{grid-template-columns:1fr}}.visual-actions .download-action{color:#65b8f4;background:#0d1b24;border-color:#23658f}.visual-actions .download-action:hover{background:#122735;border-color:#34a3ff}.download-credit{background:#0c1519;border-top:1px solid #2d3a40;align-items:center;gap:12px;padding:13px 20px;display:flex}.brand-mini{color:#081015;clip-path:polygon(50% 0,94% 22%,94% 76%,50% 100%,6% 76%,6% 22%);width:34px;height:38px;font:900 10px var(--font-mono);background:#ff6b00;flex:none;place-items:center;display:grid}.download-credit p{flex-direction:column;gap:3px;margin:0;display:flex}.download-credit strong{font-size:12px}.download-credit small{color:#74868f;font-size:10px;line-height:1.45}.download-credit em{color:#ff7a1a;font:700 10px var(--font-mono);white-space:nowrap;margin-left:auto;font-style:normal}@media (max-width:650px){.download-credit{align-items:flex-start}.download-credit em{display:none}.visual-actions{grid-template-columns:1fr 1fr;display:grid}}.spec-feature-image{background:#091116;border:1px solid #394951;border-radius:9px;margin:0 0 32px;position:relative;overflow:hidden}.spec-feature-image img{aspect-ratio:3/2;object-fit:cover;width:100%;height:auto;display:block}.spec-feature-image figcaption{z-index:2;color:#73868f;font:700 9px var(--font-mono);letter-spacing:.7px;text-transform:uppercase;background:#091116;border-top:1px solid #2d3a40;padding:11px 15px;position:relative}.spec-feature-overlay{z-index:1;color:#fff;background:linear-gradient(#0000,#03090df0);gap:7px;padding:56px 28px 24px;display:grid;position:absolute;inset:auto 0 34px}.spec-feature-overlay span,.spec-feature-overlay small{font:700 10px var(--font-mono);letter-spacing:1.2px;color:#50a8ff}.spec-feature-overlay strong{text-wrap:balance;max-width:850px;font-size:clamp(22px,4vw,44px);line-height:1.05}.spec-feature-overlay small{color:#d9e1e5}.editorial-status{color:#8fa0a8;background:#0d1519;border:1px solid #34444d;border-radius:6px;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;max-width:900px;margin-top:18px;padding:11px 13px;font-size:11px;line-height:1.45;display:grid}.editorial-status strong{font:800 10px var(--font-mono);letter-spacing:.6px;text-transform:uppercase}.editorial-status.ready strong{color:#55b8f6}.editorial-status.draft{background:#1c140e;border-color:#684521}.editorial-status.draft strong{color:#ff913f}.editorial-status a{color:#60baff;white-space:nowrap;font-weight:700}.utility code{color:#ff9a54;background:#0d1519;border:1px solid #3b4a51;border-radius:3px;padding:2px 5px}.utility ol{color:#aeb7bc;line-height:1.75}.utility a{color:#55b8f6}@media (max-width:650px){.editorial-status{grid-template-columns:1fr}.editorial-status a{white-space:normal}}.static-diagram{background:linear-gradient(145deg,#111a1f,#0a1115);border:1px solid #394951;border-radius:9px;margin:28px 0;overflow:hidden}.static-diagram-frame{line-height:0;display:block}.static-diagram-frame svg{width:100%;height:auto;display:block}.static-diagram figcaption{color:#7f9098;border-top:1px solid #2d3a40;margin:0;padding:13px 22px;font-size:11px;line-height:1.5}@media print{.static-diagram{break-inside:avoid;border-color:#999}}.tool-layout{grid-template-columns:minmax(0,800px) 250px;justify-content:center;gap:38px;padding-top:40px;padding-bottom:80px;display:grid}.tool-layout article{min-width:0}.tool-hero .tool-heading{align-items:center;gap:18px;margin-top:22px;display:flex}.tool-hero .tool-heading h1{margin:6px 0 0}.tool-icon{color:#55b8f6;background:#101c22;border:1px solid #3d5664;border-radius:10px;flex:none;place-items:center;width:66px;height:66px;display:grid}.tool-grid .category-copy small{line-height:1.5}.tool-panel{background:linear-gradient(145deg,#111b20,#0a1114);border:1px solid #3a4a52;border-radius:10px;margin:0 0 30px;overflow:hidden}.tool-panel.static{background:#0d1519}.tool-panel-head{padding:22px 24px 4px}.tool-panel-head h2{margin:8px 0 0;font-size:23px}.tool-panel-head p{color:#8f9ea5;margin:10px 0 0;font-size:13.5px;line-height:1.6}.tool-inputs{gap:14px;padding:20px 24px;display:grid}.tool-inputs.single{grid-template-columns:minmax(0,340px)}.tool-inputs.pair{grid-template-columns:1fr auto 1fr;align-items:end}.tool-inputs.triple{grid-template-columns:repeat(3,1fr)}.tool-field{display:block}.tool-field-label{font:800 9px var(--font-mono);letter-spacing:1.1px;color:#84959d;text-transform:uppercase;margin-bottom:7px;display:block}.tool-field-input{background:#0b1216;border:1px solid #3c4d55;border-radius:6px;align-items:center;gap:2px;display:flex;overflow:hidden}.tool-field-input:focus-within{border-color:#ff6b00}.tool-field-input input{color:#e8eef0;min-width:0;font:700 16px var(--font-mono);background:0 0;border:0;outline:none;flex:1;padding:12px 13px}.tool-field-input em{color:#7d8d94;font-style:normal;font:700 11px var(--font-mono);white-space:nowrap;padding-right:12px}.tool-field-input button{color:#9dabb2;cursor:pointer;background:#131f25;border:0;align-self:stretch;width:38px;font-size:17px;line-height:1}.tool-field-input button:hover{color:#ff8b3a;background:#28170d}.tool-field small{color:#6f8189;margin-top:6px;font-size:11.5px;line-height:1.5;display:block}.tool-field.invalid .tool-field-input{border-color:#8a3b2a}.step-field .tool-field-input input{text-align:center}.swap-button{color:#9dabb2;cursor:pointer;background:#131f25;border:1px solid #3c4d55;border-radius:6px;align-self:center;width:40px;height:40px;margin-bottom:6px;font-size:17px}.swap-button:hover{color:#ff8b3a;border-color:#ff6b00}.wheel-input-grid{grid-template-columns:1fr 1fr;gap:22px;padding:20px 24px;display:grid}.wheel-column{background:#0c1418;border:1px solid #2c3a42;border-radius:8px;align-content:start;gap:14px;padding:16px;display:grid}.column-head{font:800 9px var(--font-mono);letter-spacing:1.1px;color:#55b8f6;text-transform:uppercase}.mode-toggle{flex-wrap:wrap;gap:8px;padding:4px 24px 0;display:flex}.mode-toggle button,.quick-sizes button{color:#9dabb2;cursor:pointer;font:700 11.5px var(--font-mono);background:#10191e;border:1px solid #3c4d55;border-radius:5px;padding:9px 12px}.mode-toggle button:hover,.mode-toggle button.active,.quick-sizes button:hover,.quick-sizes button.active{color:#fff;background:#28170d;border-color:#ff6b00}.quick-sizes{flex-wrap:wrap;align-items:center;gap:7px;padding:0 24px 18px;display:flex}.quick-sizes small{font:800 9px var(--font-mono);letter-spacing:1px;color:#6f8189;margin-right:4px}.tool-error{color:#d9b4a8;background:#1c110d;border:1px solid #8a3b2a;border-left:3px solid #d4553a;border-radius:6px;margin:0 24px 20px;padding:13px 15px;font-size:13px;line-height:1.6}.tool-error b{color:#ff9a70;font-family:var(--font-mono)}.tool-verdict{background:#0d1920;border:1px solid #3b5666;border-left:4px solid #34a3ff;border-radius:7px;grid-template-columns:auto 1fr;align-items:start;gap:16px;margin:0 24px 22px;padding:18px 20px;display:grid}.tool-verdict>span{color:#6fc0ff;width:26px;height:26px;font:900 14px var(--font-mono);background:#1b3444;border-radius:50%;place-items:center;display:grid}.tool-verdict strong{color:#8fd0ff;font-size:15.5px;line-height:1.4;display:block}.tool-verdict p{color:#b6c3c9;margin:8px 0 0;font-size:13.5px;line-height:1.65}.tool-verdict.tone-good{background:#0c1815;border-color:#2f5b45 #2f5b45 #2f5b45 #3fbf85}.tool-verdict.tone-good>span{color:#5fd79f;background:#16311f}.tool-verdict.tone-good strong{color:#69dca4}.tool-verdict.tone-warn{background:#1a1509;border-color:#6e5428 #6e5428 #6e5428 #e0a33a}.tool-verdict.tone-warn>span{color:#f0bb5c;background:#33260e}.tool-verdict.tone-warn strong{color:#f0bb5c}.tool-verdict.tone-bad{background:#1a0f0b;border-color:#7a3728 #7a3728 #7a3728 #e0603a}.tool-verdict.tone-bad>span{color:#ff8b62;background:#341710}.tool-verdict.tone-bad strong{color:#ff8b62}.tool-result-split{grid-template-columns:290px 1fr;align-items:start;gap:22px;padding:0 24px 22px;display:grid}.tool-metrics{grid-template-columns:1fr 1fr;gap:10px;display:grid}.tool-metrics.wide{grid-template-columns:repeat(4,1fr);padding:0 24px 20px}.tool-metric{background:#0c1418;border:1px solid #2f3f47;border-top:2px solid #3d525c;border-radius:7px;padding:13px 14px}.tool-metric small{font:800 8.5px var(--font-mono);letter-spacing:.9px;color:#7c8d95;text-transform:uppercase;display:block}.tool-metric strong{color:#e9eff1;font:800 21px var(--font-mono);letter-spacing:-.5px;margin-top:6px;display:block}.tool-metric span{color:#7f9199;margin-top:5px;font-size:11.5px;line-height:1.45;display:block}.tool-metric.tone-good{border-top-color:#3fbf85}.tool-metric.tone-good strong{color:#69dca4}.tool-metric.tone-warn{border-top-color:#e0a33a}.tool-metric.tone-warn strong{color:#f0bb5c}.tool-metric.tone-bad{border-top-color:#e0603a}.tool-metric.tone-bad strong{color:#ff8b62}.tool-panel .table-scroll{margin:0 24px 22px}.diagnostic-table tr.row-active{background:#12222b}.diagnostic-table tr.row-active th{color:#8fd0ff}.tool-share{border-top:1px solid #29373e;flex-wrap:wrap;align-items:center;gap:9px;margin-top:2px;padding:18px 24px 20px;display:flex}.tool-share button{color:#c3ced3;cursor:pointer;background:#10191e;border:1px solid #3c4d55;border-radius:5px;padding:10px 14px;font-size:12.5px}.tool-share button:hover{color:#fff;background:#28170d;border-color:#ff6b00}.tool-share button.ghost{color:#7d8d94}.tool-share small{color:#6f8189;flex:100%;margin-top:3px;font-size:11.5px;line-height:1.5}.tool-next{color:#93a2a9;margin:0;padding:0 24px 22px;font-size:13px;line-height:1.6}.tool-next a{color:#55b8f6}.sidewall-decode{padding:0 24px 20px}.sidewall-decode .kicker{margin-bottom:11px;display:block}.decode-row{grid-template-columns:repeat(4,1fr);gap:9px;display:grid}.decode-row>div{text-align:center;background:#0c1418;border:1px solid #2f3f47;border-radius:7px;padding:12px 13px}.decode-row b{color:#ff8b3a;font:900 20px var(--font-mono);display:block}.decode-row small{color:#7f9199;margin-top:6px;font-size:10.5px;line-height:1.45;display:block}.formula-stack{gap:11px;margin-top:20px;display:grid}.formula-row{background:#0d1519;border:1px solid #35444c;border-left:3px solid #55b8f6;border-radius:7px;padding:15px 17px}.formula-row small{font:800 9px var(--font-mono);letter-spacing:1px;color:#55b8f6;text-transform:uppercase;display:block}.formula-row code{color:#e6ecee;font:700 13.5px var(--font-mono);margin:9px 0;line-height:1.6;display:block;overflow-x:auto}.formula-row p{color:#93a2a9;margin:0;font-size:13px;line-height:1.6}.pair-grid{grid-template-columns:repeat(3,1fr);gap:9px;margin-top:20px;display:grid}.pair-grid a{font:700 12.5px var(--font-mono);color:#c6ced2;background:#0d1519;border:1px solid #35444c;border-radius:6px;justify-content:center;align-items:center;gap:9px;padding:13px 10px;display:flex}.pair-grid a:hover{color:#fff;border-color:#ff6b00}.pair-grid em{color:#6f8189;font-size:10.5px;font-style:normal}.tire-drawing,.overlay-drawing,.fitment-drawing{background:#0b1216;border:1px solid #2f3f47;border-radius:8px;width:100%;height:auto;display:block}.tire-drawing .tread{fill:#16232a;stroke:#55b8f6;stroke-width:2px}.tire-drawing .rim{fill:#0b1216;stroke:#7d8d94;stroke-width:1.5px}.tire-drawing .sidewall-mark,.tire-drawing .width-mark{stroke:#ff8b3a;stroke-width:2px}.overlay-drawing .ghost{fill:#101a1f;stroke:none}.overlay-drawing .from-tire{fill:none;stroke:#7d8d94;stroke-width:2px;stroke-dasharray:5 4}.overlay-drawing .to-tire{fill:none;stroke:#ff8b3a;stroke-width:2.5px}.overlay-drawing .rim{fill:#0b1216;stroke:#4a5b63;stroke-width:1.5px}.drawing-label{fill:#7f9199;font:700 9px var(--font-mono);letter-spacing:.5px}.drawing-rim{fill:#9dabb2;font:800 11px var(--font-mono)}.fitment-drawing .hub-line{stroke:#ff8b3a;stroke-width:2px;stroke-dasharray:4 3}.fitment-drawing .wheel-current rect{fill:#1b2a32;stroke:#7d8d94;stroke-width:1.5px}.fitment-drawing .wheel-new rect{fill:#25333a;stroke:#55b8f6;stroke-width:2px}.fitment-drawing .rim-body{fill:#16232a;stroke:#55b8f6;stroke-width:1.5px}.fitment-drawing .mount-face{stroke:#ff8b3a;stroke-width:2.5px}.fitment-drawing .dim-line{stroke:#ff8b3a;stroke-width:1.5px}.fitment-drawing .dim-line.muted{stroke:#4a5b63}.axis-label{fill:#6f8189;font:700 8.5px var(--font-mono);letter-spacing:.4px}.bar-label{fill:#dfe6e9;font:700 9.5px var(--font-mono)}@media (max-width:900px){.tool-layout{grid-template-columns:1fr;width:calc(100% - 24px)}.tool-metrics.wide,.pair-grid{grid-template-columns:1fr 1fr}}@media (max-width:650px){.tool-hero .tool-heading{display:block}.tool-icon{margin-bottom:12px}.tool-inputs.pair,.tool-inputs.triple,.wheel-input-grid,.tool-inputs.single{grid-template-columns:1fr}.swap-button{margin:0 auto}.tool-result-split{grid-template-columns:1fr}.tool-metrics,.tool-metrics.wide,.decode-row{grid-template-columns:1fr 1fr}.pair-grid{grid-template-columns:1fr}}.height-drawing{background:#0b1216;border:1px solid #2f3f47;border-radius:8px;width:100%;height:auto;display:block}.height-drawing .ground{stroke:#3d525c;stroke-width:1.5px}.height-drawing .tire-bar{fill:#16232a;stroke:#ff8b3a;stroke-width:2px}.height-drawing .rim-bar{fill:#111c22;stroke:#55b8f6;stroke-width:2px}.vin-progress{padding:0 24px 16px}.vin-progress small{font:800 9px var(--font-mono);letter-spacing:1px;color:#6f8189;margin-bottom:7px;display:block}.vin-bar{background:#1b262c;border-radius:3px;height:5px;overflow:hidden}.vin-bar span{background:linear-gradient(90deg,#55b8f6,#ff8b3a);height:100%;transition:width .18s;display:block}.vin-chunk{font:800 13px var(--font-mono);color:#ff8b3a;letter-spacing:1px}.tool-select{color:#e8eef0;min-width:0;font:700 15px var(--font-mono);appearance:none;cursor:pointer;background:0 0;border:0;outline:none;flex:1;padding:12px 13px}.tool-select option{color:#e8eef0;background:#0b1216}.pattern-drawing{background:#0b1216;border:1px solid #2f3f47;border-radius:8px;width:100%;height:auto;display:block}.pattern-drawing .pitch-circle{fill:none;stroke:#2f3f47;stroke-width:1.5px;stroke-dasharray:4 3}.pattern-drawing .hub-bore{fill:#16232a;stroke:#4a5b63;stroke-width:1.5px}.pattern-drawing .stud{fill:#ff8b3a;stroke:#1d140e;stroke-width:1.5px}.pattern-drawing .chord-line{stroke:#55b8f6;stroke-width:1.5px;stroke-dasharray:3 2}.tool-subhead{padding-top:4px}.tool-inputs.five{grid-template-columns:repeat(5,1fr)}@media (max-width:650px){.tool-inputs.five{grid-template-columns:1fr 1fr}}.safety-note-tight{margin-top:0}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}