/* Small, dependency-free design system. All layout dimensions include padding. */
:root{--bg:#f7f7f5;--surface:#fff;--ink:#222727;--muted:#626b65;--line:#e2e5e1;--red:#c73530;--red-dark:#a82723;--soft-red:#f8edeb;--radius:14px;--container:1200px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:24px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
body,input,button{font-feature-settings:"ss01" on}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a,input{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
img{max-width:100%;height:auto;display:block}
button[hidden],[hidden]{display:none!important}
svg{flex-shrink:0}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.2;letter-spacing:-.035em}
h1{font-size:52px;font-weight:750}
h2{font-size:32px;font-weight:700}
h3{font-size:20px;font-weight:650}
p{margin-bottom:16px}
::selection{background:#f4ceca;color:#76211e}
:focus-visible{outline:3px solid var(--red);outline-offset:4px}
.container{width:min(var(--container),calc(100% - 64px));margin-inline:auto}
.icon{vertical-align:middle}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:12px;left:12px;z-index:1000;background:var(--ink);color:white;padding:12px 24px;transform:translateY(-160%);border-radius:6px}
.skip-link:focus{transform:translateY(0)}
.utility-bar{background:#eeefeb;border-bottom:1px solid #e5e6e1;color:#606762;font-size:11px;letter-spacing:.025em}
.utility-inner{display:flex;justify-content:space-between;align-items:center;min-height:33px}
.utility-note{display:flex;align-items:center;gap:7px}
.utility-note .icon{width:13px;height:13px}
.site-header{background:var(--surface);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:100px;gap:32px;position:relative}
.site-logo{flex-shrink:0}
.site-logo img{width:236px;height:auto}
.primary-nav{display:flex;align-items:center;gap:34px;font-size:13px;font-weight:550;margin-left:auto;margin-right:30px;align-self:stretch}
.primary-nav>a{display:flex;align-items:center;align-self:stretch;position:relative;color:#5e6562}
.primary-nav>a:hover,.primary-nav>a.is-active{color:var(--ink)}
.primary-nav>a.is-active::after{content:"";height:3px;background:var(--red);position:absolute;bottom:22px;left:0;right:0;border-radius:3px}
.header-search-link{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;border-left:1px solid var(--line);padding-left:28px}
.header-search-link .icon{width:18px;height:18px;color:var(--red)}
.header-search-link:hover{color:var(--red)}
.menu-toggle{display:none;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line);border-radius:6px;min-width:44px;min-height:44px}
.site-main{min-height:50vh;outline:none}
.fixture-notice{text-align:center;background:#fcf0dd;border-bottom:1px solid #e9d6b6;color:#77562a;padding:7px 16px;font-size:11px;line-height:1.6}
.home-content{padding-top:36px;padding-bottom:56px}
/* Only the decorative panel clips its contents; the autocomplete must escape the hero. */
.hero{display:grid;grid-template-columns:1.18fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);position:relative}
.hero-copy{padding:46px 0 42px 42px;position:relative;z-index:2}
.eyebrow{display:flex;align-items:center;gap:9px;font-size:10px;font-weight:700;letter-spacing:.14em;line-height:1.5;color:var(--muted);margin-bottom:18px}
.status-dot{display:inline-block;width:6px;height:6px;background:var(--red);border-radius:50%;flex-shrink:0}
.hero-headline{font-size:67px;line-height:1.055;letter-spacing:-.055em;margin-bottom:22px;font-weight:760}
.hero-headline>span{display:block;color:var(--red)}
.hero-description{font-size:15px;line-height:1.75;color:var(--muted);max-width:430px;margin-bottom:27px}
.search-form{position:relative;max-width:600px}
.search-form label{display:block;font-size:12px;font-weight:650;margin-bottom:9px}
.search-control{display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;position:relative;border:1px solid #d5d9d4;background:white;border-radius:8px;padding:5px 5px 5px 8px;box-shadow:0 3px 10px #202b2605}
.search-control:focus-within{border-color:var(--red);box-shadow:0 0 0 3px #c7353010}
.search-input-icon{display:flex;align-items:center;justify-content:center;color:#808a83}
.search-input-icon .icon{width:20px;height:20px}
.search-control input{border:0;outline:none;width:100%;min-width:0;color:var(--ink);padding:10px 6px;font-size:13px;background:transparent}
.search-control input::placeholder{color:#7b817e;opacity:1}
.search-control input::-webkit-search-cancel-button{cursor:pointer;margin-right:6px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;border:1px solid transparent;border-radius:6px;padding:12px 18px;font-size:12px;font-weight:600;line-height:1.5;min-height:44px;transition:background .15s,border-color .15s,transform .15s}
.button .icon{width:17px;height:17px}
.button--primary{background:var(--red);color:white}
.button--primary:hover{background:var(--red-dark)}
.button--primary:active{transform:translateY(1px)}
.button:disabled{cursor:wait;opacity:.75}
.button--subtle{background:var(--surface);border-color:var(--line);color:var(--muted)}
.button--subtle:hover{color:var(--red);border-color:var(--red)}
.search-help{font-size:10px;line-height:1.6;color:var(--muted);margin:9px 0 0}
.hero-reassurance{display:flex;align-items:center;gap:9px;font-size:10px;color:var(--muted);margin-top:24px}
.hero-reassurance .icon{width:14px;height:14px;color:var(--red)}
.hero-reassurance>span{width:3px;height:3px;border-radius:50%;background:#b9bfba;margin-inline:3px}
.hero-visual{position:relative;min-height:464px;background:radial-gradient(ellipse at 66% 53%,#e6e8e180,transparent 70%);isolation:isolate;overflow:hidden;border-radius:0 var(--radius) var(--radius) 0}
.hero-visual::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#bac2b414 1px,transparent 1px),linear-gradient(90deg,#bac2b414 1px,transparent 1px);background-size:32px 32px;mask-image:radial-gradient(ellipse at 70% 50%,black,transparent 72%);z-index:-1}
.hero-orbit{border:1px solid #dfe3db;border-radius:50%;width:340px;height:340px;position:absolute;left:75px;top:65px;z-index:-1}
.hero-orbit--outer{width:430px;height:430px;left:30px;top:20px;border-style:dashed;opacity:.65}
.hero-plugs{width:570px;max-width:none;height:auto;position:absolute;left:-6px;top:99px;transform:rotate(-14deg);filter:drop-shadow(0 30px 18px #202b2616)}
.technical-label{position:absolute;right:25px;top:30px;font-size:9px;line-height:1.7;letter-spacing:.16em;color:#818a80}
.hero-tag{position:absolute;bottom:70px;left:55px;display:flex;align-items:center;gap:12px;padding:15px 18px;background:#ffffffed;border:1px solid #e1e5df;border-radius:9px;box-shadow:0 9px 28px #24302708;font-size:11px;color:var(--muted);line-height:1.7}
.hero-tag strong{font-size:12px;font-weight:650;color:var(--ink)}
.hero-tag-icon{width:35px;height:35px;display:grid;place-items:center;background:var(--soft-red);border-radius:6px;color:var(--red)}
.hero-tag-icon .icon{width:20px;height:20px}
.hero-tag-dot{width:6px;height:6px;background:#6c866c;border-radius:50%;margin-left:16px}
.hero-coordinate{position:absolute;bottom:25px;right:25px;color:#7c867b;font-size:8px;letter-spacing:.19em}
.popular-carousel-container{padding-top:24px}
.popular-carousel{display:flex;align-items:center;gap:18px;min-width:0;padding:11px 14px;background:var(--surface);border:1px solid var(--line);border-radius:8px}
.popular-carousel__label{display:flex;align-items:center;gap:8px;flex-shrink:0;margin:0;padding-right:18px;border-right:1px solid var(--line);font-size:10px;font-weight:700;letter-spacing:.05em;color:var(--ink);white-space:nowrap;text-transform:uppercase}
.popular-carousel__viewport{min-width:0;flex:1;overflow-x:auto;scrollbar-width:none;padding:4px 0;overscroll-behavior-x:contain}
.popular-carousel__viewport::-webkit-scrollbar{display:none}
.popular-carousel__track{display:flex;position:relative;gap:8px;list-style:none;width:max-content;margin:0;padding:0}
.popular-carousel__track>li{flex-shrink:0}
.popular-carousel__track a{display:flex;align-items:center;gap:6px;padding:7px 10px;min-height:32px;border:1px solid #e4e7df;border-radius:5px;background:#f3f4ef;font-size:11px;color:var(--muted);white-space:nowrap;transition:border-color .15s,background .15s}
.popular-carousel__track a strong{font-weight:650;color:var(--red)}
.popular-carousel__track a>.icon{width:12px;height:12px;color:#6d7766;margin-left:3px}
.popular-carousel__track a:hover{border-color:var(--red);background:var(--soft-red)}
.popular-carousel__track a:focus-visible{outline-offset:1px}
.section{padding:47px 0}
.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:25px}
.section-heading .eyebrow{margin-bottom:9px}
.section-heading h2{margin-bottom:0;font-size:29px}
.section-heading>p{font-size:12px;color:var(--muted);line-height:1.7;margin:0 0 2px}
.brand-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}
.brand-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:19px;min-height:128px;padding:20px 10px 16px;border:1px solid var(--line);background:var(--surface);border-radius:8px;transition:border-color .15s,transform .15s}
.brand-card:hover{border-color:#c7a39e;transform:translateY(-3px)}
.brand-wordmark{font-family:Arial,sans-serif;font-size:24px;font-weight:850;letter-spacing:-.055em;line-height:1}
.brand-card--ngk .brand-wordmark{font-style:italic;font-weight:900;font-size:29px}
.brand-card--bosch .brand-wordmark{font-size:21px;letter-spacing:-.02em}
.brand-card--denso .brand-wordmark{font-style:italic;font-size:25px}
.brand-card--champion .brand-wordmark{font-size:16px;letter-spacing:-.045em;font-weight:900}
.brand-card--autolite .brand-wordmark{font-style:italic;font-size:24px}
.brand-card--torch .brand-wordmark{font-size:22px;font-style:italic}
.brand-card-action{display:flex;align-items:center;justify-content:center;gap:15px;color:var(--muted);font-size:9px;line-height:1.6}
.brand-card-action .icon{width:13px;height:13px}
.how-section{display:grid;grid-template-columns:1fr 1.25fr;gap:65px;padding:38px 42px;margin:3px 0 0;background:#eeefea;border:1px solid #e3e5de;border-radius:var(--radius)}
.how-intro .eyebrow{font-size:9px;margin-bottom:15px}
.how-intro h2{font-size:33px;line-height:1.12;margin-bottom:17px}
.how-intro>p:last-child{max-width:290px;font-size:12px;line-height:1.8;color:var(--muted);margin-bottom:0}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:23px}
.steps>li{display:flex;align-items:flex-start;gap:18px}
.step-number{display:grid;place-items:center;flex-shrink:0;width:32px;height:32px;border:1px solid #d7dcd2;background:#f6f7f2;border-radius:6px;font-size:10px;color:#697263;font-weight:600}
.steps h3{font-size:14px;letter-spacing:-.01em;margin:1px 0 6px}
.steps p{font-size:11px;color:var(--muted);line-height:1.75;margin:0;max-width:380px}
.home-ad{margin-top:34px}
.ad-slot{max-width:100%;min-width:0;margin:0 auto;text-align:center}
.ad-label{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.14em;color:#616b5f;margin-bottom:8px;line-height:1.5}
.ad-slot__frame{display:flex;align-items:center;justify-content:center;min-height:282px;max-width:100%;background:#f1f2ee;box-shadow:inset 0 0 0 1px #e7e9e2;border-radius:6px;overflow:hidden}
.ad-slot--rail{width:300px}
.ad-slot--rail .ad-slot__frame{min-height:602px;border-radius:6px}
.ad-slot[data-ad-state="loaded"] .ad-slot__frame{background:transparent;box-shadow:none;border-radius:0;overflow:visible}
.ad-preview{display:flex;flex-direction:column;gap:9px;align-items:center;justify-content:center;padding:24px;color:#636e5d}
.ad-preview>span{font-size:10px;letter-spacing:.2em;font-weight:600;border:1px dashed #cdd3c7;padding:8px 14px;border-radius:3px}
.ad-preview>small{font-size:10px}
.ad-slot ins{flex-shrink:0;text-decoration:none}
.ad-slot ins[hidden]{display:none!important}
.text-link{display:inline-flex;align-items:center;gap:12px;font-size:11px;font-weight:600;color:var(--red);line-height:1.5}
.text-link .icon{width:16px;height:16px;transition:transform .15s}
.text-link:hover .icon{transform:translateX(3px)}
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.guide-card{display:block;min-width:0}
.guide-image{position:relative;overflow:hidden;border-radius:8px;background:#e8e9e3;aspect-ratio:1.85}
.guide-image>img{width:100%;height:100%;object-fit:cover;filter:saturate(.65);transition:transform .25s,filter .25s}
.guide-image>span{position:absolute;bottom:12px;right:12px;display:grid;place-items:center;width:30px;height:30px;background:#fffffff2;border-radius:50%;color:#3c463e}
.guide-image .icon{width:16px;height:16px}
.guide-card:hover .guide-image>img{transform:scale(1.035);filter:saturate(1)}
.guide-copy{padding:20px 1px 0}
.guide-copy .eyebrow{font-size:8px;margin-bottom:10px}
.guide-copy h3{font-size:21px;font-weight:650;line-height:1.3;max-width:290px;letter-spacing:-.025em;margin-bottom:10px}
.guide-copy>p:last-child{font-size:12px;color:var(--muted);max-width:310px;margin-bottom:0;line-height:1.75}
.fitment-note{display:flex;align-items:flex-start;gap:16px;border:1px solid #e0e3db;background:#eeefe9;border-radius:8px;padding:22px 25px}
.fitment-note>.icon{width:22px;height:22px;color:#687260;margin-top:1px}
.fitment-note strong{font-size:12px;font-weight:650;display:block;margin-bottom:4px}
.fitment-note p{font-size:11px;color:#5f6858;line-height:1.75;margin-bottom:0;max-width:970px}
.site-footer{border-top:1px solid var(--line);background:var(--surface)}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:60px;padding:45px 0}
.footer-brand img{width:215px;height:auto}
.footer-brand>p{font-size:11px;color:var(--muted);line-height:1.85;margin-top:16px;margin-bottom:19px}
.footer-signoff{display:flex;align-items:center;gap:8px;font-size:9px;letter-spacing:.11em;font-weight:600;color:#68745f}
.footer-signoff .status-dot{width:5px;height:5px}
.footer-column{display:flex;flex-direction:column;gap:11px;align-items:flex-start}
.footer-column h2{font-size:12px;letter-spacing:0;margin:7px 0 7px;font-weight:650}
.footer-column>a{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:8px}
.footer-column>a:hover{color:var(--red)}
.footer-column .icon{width:11px;height:11px}
.footer-bottom{padding:18px 0 22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:#687260;font-size:10px}
.footer-bottom>a{white-space:nowrap}
.search-band{padding:23px 0 21px;background:#f0f1ec;border-bottom:1px solid var(--line)}
.search-form--compact{max-width:975px;display:grid;grid-template-columns:187px minmax(0,1fr);align-items:center;column-gap:24px}
.search-form--compact label{font-size:15px;letter-spacing:-.02em;margin:0}
.search-form--compact .search-help{grid-column:2}
.search-form--compact .search-control{grid-template-columns:36px minmax(0,1fr) auto}
.search-form--compact .search-control input{font-size:14px}
.suggestions{position:absolute;left:-1px;right:-1px;top:calc(100% + 7px);margin:0;padding:6px;list-style:none;max-height:370px;overflow-y:auto;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 28px #17241c1a;z-index:20}
.suggestions>li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:11px 13px;font-size:12px;cursor:pointer;border-radius:4px;line-height:1.5}
.suggestions>li[aria-selected="true"],.suggestions>li:hover{background:var(--soft-red)}
.suggestion-code{font-weight:650;color:var(--ink);overflow-wrap:anywhere}
.suggestion-brand{font-size:11px;color:var(--muted);flex-shrink:0}
.results-page,.article-page{padding-bottom:60px}
.breadcrumbs{font-size:11px;color:var(--muted);padding:23px 0 28px;overflow-wrap:anywhere}
.breadcrumbs ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:8px;align-items:center}
.breadcrumbs li+li::before{content:"/";color:#abb0a8;margin-right:8px}
.breadcrumbs a:hover{color:var(--red)}
.breadcrumbs [aria-current]{color:#4c554a}
.results-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px}
.results-layout--no-ads{grid-template-columns:minmax(0,860px)}
.results-main{min-width:0}
.results-heading{margin-bottom:28px}
.results-heading .eyebrow{margin-bottom:11px;font-size:9px}
.results-title-row{display:flex;align-items:center;gap:25px;justify-content:space-between;margin-bottom:12px}
.results-title-row h1{margin:0;font-size:49px;overflow-wrap:anywhere}
.results-heading--product .results-title-row{align-items:flex-start}
.results-heading--product .results-title-row h1{font-size:38px;min-width:0}
.copy-button{display:none;flex-shrink:0;font-size:10px;min-height:34px;padding:8px 11px}
.copy-button[data-copy-ready]{display:inline-flex}
.results-description{font-size:13px;color:var(--muted);line-height:1.85;max-width:660px;margin:0;overflow-wrap:anywhere}
.specifications{background:var(--surface);border:1px solid var(--line);border-radius:10px;margin-bottom:34px;overflow:hidden}
.card-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:18px 22px;border-bottom:1px solid var(--line)}
.card-heading h2{font-size:15px;letter-spacing:-.02em;margin:0;min-width:0;overflow-wrap:anywhere}
.card-heading>span{font-size:8px;letter-spacing:.1em;color:var(--muted);text-align:right}
.spec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0}
.spec-grid.spec-grid--count-1{grid-template-columns:minmax(0,1fr)}
.spec-grid--count-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.spec-grid--count-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.spec-summary{padding:16px 22px;margin:0;font-size:11px;line-height:1.8;color:var(--muted);overflow-wrap:anywhere}
.spec-summary+.spec-grid{border-top:1px solid var(--line)}
.spec-grid>div{padding:21px 18px;border-right:1px solid var(--line)}
.spec-grid>div:last-child{border:0}
.spec-grid dt{font-size:10px;color:var(--muted);margin-bottom:6px}
.spec-grid dd{font-size:15px;font-weight:650;margin:0;overflow-wrap:anywhere}
.spec-unavailable{font-size:11px;font-weight:400;color:var(--muted)}
.reference-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:15px}
.reference-heading h2{display:flex;align-items:center;gap:11px;font-size:21px;margin:0}
.count-badge{display:grid;place-items:center;background:#e9ece4;border:1px solid #dce1d6;border-radius:5px;color:#616c58;font-size:10px;font-weight:600;padding:3px 7px;min-width:26px;line-height:1.5;letter-spacing:0}
.result-range{font-size:10px;color:var(--muted);white-space:nowrap}
.results-table-wrap{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:white}
.results-table{width:100%;border-collapse:collapse;table-layout:fixed;text-align:left}
.results-table th{background:#eceee7;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#5b6653;padding:13px 22px;font-weight:600}
.results-table th:first-child{width:43%}
.results-table td{padding:0 22px;border-top:1px solid #eceee8;overflow-wrap:anywhere}
.results-table tbody tr:hover{background:#fcfcf9}
.manufacturer-link{display:flex;gap:12px;align-items:center;font-size:12px;font-weight:500;padding:18px 0}
.manufacturer-initial{display:grid;place-items:center;width:29px;height:29px;flex-shrink:0;border:1px solid #e5e7df;border-radius:5px;background:#f4f5f0;color:#77806d;font-size:11px;font-weight:600}
.manufacturer-link:hover{color:var(--red)}
.part-link{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:13px 0}
.part-link strong{display:block;font-size:14px;font-weight:650;letter-spacing:.02em;color:var(--red);line-height:1.5}
.part-link small{display:block;color:#697361;font-size:10px;margin-top:2px}
.part-link>.icon{width:17px;height:17px;color:#7e8777}
.part-link:hover>.icon{color:var(--red)}
.pagination{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:20px 0 28px;font-size:11px}
.pagination-direction{display:flex;align-items:center;gap:6px;padding:8px 0;color:#5e6857}
.pagination-direction.is-disabled{color:#9ca297}
.pagination-numbers{display:flex;align-items:center;gap:5px}
.pagination-numbers>a{display:grid;place-items:center;min-width:32px;min-height:34px;border:1px solid transparent;border-radius:5px;font-size:11px}
.pagination-numbers>a[aria-current]{background:var(--red);color:white}
.pagination-numbers>a:hover:not([aria-current]){background:white;border-color:var(--line)}
.pagination-ellipsis{padding:0 3px;color:var(--muted)}
.results-main>.fitment-note{margin-top:26px;padding:19px 20px}
.results-main>.fitment-note p{font-size:10px}
.results-bottom-ad{margin:32px 0}
.help-card{display:flex;align-items:flex-start;gap:19px;margin-top:32px;padding:25px;border:1px solid var(--line);border-radius:9px;background:var(--surface)}
.help-card-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:7px;background:var(--soft-red);color:var(--red);flex-shrink:0}
.help-card-icon .icon{width:21px;height:21px}
.help-card h2{font-size:17px;letter-spacing:-.02em;margin-bottom:8px}
.help-card p{font-size:11px;color:var(--muted);margin-bottom:10px}
.replacement-check h2{font-size:20px;line-height:1.3}
.replacement-check h3{font-size:14px;letter-spacing:-.01em;margin:18px 0 8px}
.replacement-check p{line-height:1.8}
.replacement-check>div{min-width:0}
.results-sidebar{padding-top:4px}
.sidebar-tip{background:#edeFE7;border:1px solid #e0e4d9;border-radius:9px;padding:25px;margin-bottom:30px}
.sidebar-tip .eyebrow{font-size:8px;line-height:1.8;margin-bottom:14px}
.sidebar-tip h2{font-size:24px;line-height:1.2;margin-bottom:12px}
.sidebar-tip>p:not(.eyebrow){font-size:11px;line-height:1.8;color:var(--muted);margin-bottom:16px}
.empty-state{text-align:center;background:white;border:1px solid var(--line);border-radius:10px;padding:50px 25px}
.empty-state>.icon{width:32px;height:32px;color:var(--red);margin-bottom:18px}
.empty-state h3{font-size:22px;margin-bottom:12px}
.empty-state p{font-size:12px;color:var(--muted);max-width:400px;margin-inline:auto;line-height:1.8}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:70px;margin-bottom:40px}
.article-content{min-width:0}
.article-heading{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:30px}
.article-heading h1{font-size:42px;line-height:1.15;margin-bottom:16px}
.article-deck{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:0}
.prose{font-size:14px;line-height:1.9;color:#505b50;overflow-wrap:anywhere}
.prose h2{font-size:25px;color:var(--ink);margin:32px 0 14px;line-height:1.3}
.prose h3{font-size:21px;color:var(--ink);margin:28px 0 13px}
.prose h4{font-size:16px;color:var(--ink);margin:22px 0 12px}
.prose li{margin-bottom:9px}
.prose ul,.prose ol{padding-left:22px}
.prose a{color:var(--red);text-decoration:underline;text-underline-offset:3px}
.prose img{width:100%;height:auto;max-height:540px;object-fit:cover;border-radius:9px;margin:28px 0}
.article-sidebar{padding-top:6px}
.article-sidebar .button{font-size:10px;gap:8px;padding:11px 12px}
.article-related{padding:0 4px}
.article-related h2{font-size:16px;margin-bottom:14px;letter-spacing:-.01em}
.article-related>a{display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding:13px 0;font-size:11px;color:var(--muted)}
.article-related .icon{width:15px;height:15px}
.article-related>a:hover{color:var(--red)}
.error-state{text-align:center;max-width:650px;margin:65px auto 85px}
.error-code{font-size:12px;display:inline-block;border:1px solid #dfbdb5;background:var(--soft-red);color:var(--red);border-radius:5px;padding:5px 14px;letter-spacing:.12em;margin-bottom:25px}
.error-state .eyebrow{justify-content:center;margin-bottom:15px}
.error-state h1{font-size:48px;margin-bottom:20px}
.error-state>p:not(.eyebrow){font-size:14px;color:var(--muted);max-width:480px;margin:0 auto 28px;line-height:1.9}
@media(min-width:1400px){.hero-copy{padding:49px 0 46px 48px}.hero-visual{min-height:485px}.hero-plugs{top:112px}}
@media(max-width:1100px){
    .primary-nav{gap:22px;margin-right:10px}.site-logo img{width:210px}.header-search-link{padding-left:20px}
    .hero-copy{padding:36px 0 36px 30px}.hero-headline{font-size:58px}.hero-description{font-size:14px;padding-right:10px}
    .hero-plugs{width:505px;left:-8px;top:108px}.hero-tag{left:30px;bottom:65px}.hero-orbit{left:30px}.hero-orbit--outer{left:-15px}
    .hero-reassurance{gap:6px;font-size:9px}.hero-reassurance>span{margin-inline:1px}.search-submit{gap:8px;padding-inline:13px}
    .results-layout{grid-template-columns:minmax(0,900px);justify-content:center}.results-sidebar{display:none}
    .article-layout{gap:35px;grid-template-columns:minmax(0,1fr) 270px}
}
@media(max-width:900px){
    .container{width:calc(100% - 40px)}.header-inner{min-height:88px;gap:24px}.primary-nav{gap:23px;margin-right:0;font-size:12px}.header-search-link{display:none}.primary-nav>a.is-active::after{bottom:18px}
    .hero{grid-template-columns:1.2fr .9fr}.hero-headline{font-size:53px}.hero-copy{padding:30px 0 32px 26px}.hero .eyebrow{font-size:8px}
    .hero-description{font-size:13px}.hero-visual{min-height:435px}.hero-plugs{width:425px;top:120px;left:-12px}.hero-tag{bottom:70px;left:10px;padding:12px;font-size:10px;gap:9px}.hero-tag strong{font-size:10px}.hero-tag-dot{margin-left:5px}.technical-label{font-size:8px;right:15px;top:30px}.hero-coordinate{font-size:6px}
    .hero .search-control{grid-template-columns:24px minmax(0,1fr);padding:6px}.hero .search-submit{grid-column:1/-1;justify-content:space-between;margin-top:4px}.hero .search-help{font-size:9px}.hero-reassurance{font-size:8px;gap:5px;margin-top:17px}
    .brand-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.brand-card{min-height:118px}
    .how-section{gap:35px;padding:30px}.how-intro h2{font-size:29px}.how-intro .eyebrow{font-size:8px}
    .section-heading h2{font-size:26px}.section-heading>.text-link{font-size:10px;max-width:160px;flex-shrink:0}.guide-grid{gap:18px}.guide-copy h3{font-size:18px}.guide-copy>p:last-child{font-size:11px}
    .footer-top{grid-template-columns:1.3fr 1fr 1fr;gap:30px}.footer-brand img{width:190px}.footer-bottom{font-size:8px;gap:15px}
    .search-form--compact{grid-template-columns:155px minmax(0,1fr);column-gap:20px}.search-form--compact label{font-size:14px}
    .article-layout{grid-template-columns:minmax(0,1fr)}.article-sidebar{display:none}.article-content{max-width:750px;margin-inline:auto}.article-heading h1{font-size:38px}
}
@media(max-width:720px){
    .utility-note{display:none}.utility-inner{justify-content:center;min-height:29px;font-size:10px}
    .header-inner{min-height:81px;flex-wrap:wrap;gap:0}.site-logo img{width:205px}.header-search-link{display:none}
    .menu-toggle{display:flex;margin-left:auto}.primary-nav{width:100%;gap:20px;padding:0 0 18px;justify-content:center;margin:0;font-size:12px}.primary-nav>a.is-active::after{bottom:-5px}
    .js .primary-nav{display:none;position:absolute;top:100%;left:-20px;right:-20px;width:auto;background:white;z-index:30;padding:20px;border-bottom:1px solid var(--line);box-shadow:0 12px 15px #22302a0a;gap:22px;align-items:flex-start;flex-direction:column}
    .js .primary-nav.is-open{display:flex}.js .primary-nav>a.is-active::after{display:none}
    .home-content{padding-top:22px;padding-bottom:34px}.hero{grid-template-columns:minmax(0,1fr)}.hero-copy{padding:30px 28px 14px}
    .hero .eyebrow{font-size:9px}.hero-headline{font-size:58px;margin-bottom:18px}.hero-description{font-size:14px;max-width:470px;padding:0;margin-bottom:24px}
    .hero .search-control{grid-template-columns:30px minmax(0,1fr) auto}.hero .search-submit{grid-column:auto;justify-content:center;margin:0;padding-inline:16px}.hero .search-help{font-size:10px}.hero-reassurance{font-size:10px;gap:8px}
    .hero-visual{min-height:260px;background:radial-gradient(ellipse at 60% 50%,#e5e8df80,transparent 70%);border-radius:0 0 var(--radius) var(--radius)}.hero-plugs{width:450px;left:calc(50% - 212px);top:0;transform:rotate(-9deg)}.hero-orbit{width:230px;height:230px;top:5px;left:calc(50% - 115px)}.hero-orbit--outer{width:290px;height:290px;top:-25px;left:calc(50% - 145px)}.hero-tag{bottom:27px;left:30px}.technical-label{right:23px;top:15px}.hero-coordinate{right:23px;bottom:15px;font-size:7px}
    .popular-carousel-container{padding-top:18px}.popular-carousel{flex-direction:column;align-items:stretch;gap:8px;padding:10px 12px}.popular-carousel__label{border:0;padding:0;font-size:9px}.popular-carousel__viewport{width:100%;padding:3px 0}.popular-carousel__track a{font-size:10px;min-height:34px}
    .section{padding:34px 0}.section-heading{align-items:flex-start;flex-direction:column;gap:12px;margin-bottom:22px}.section-heading h2{font-size:28px}.section-heading>p{font-size:12px}.section-heading>p>br{display:none}.section-heading>.text-link{max-width:none;font-size:11px}.section-heading .eyebrow{font-size:8px}
    .how-section{grid-template-columns:1fr;gap:27px;padding:28px}.how-intro h2{font-size:30px}.how-intro h2 br{display:none}.how-intro>p:last-child{max-width:none}.steps{gap:23px}.steps p{max-width:none;font-size:12px}.steps h3{font-size:15px}.steps>li{gap:16px}
    .guide-grid{grid-template-columns:minmax(0,1fr);gap:30px}.guide-image{aspect-ratio:2.05}.guide-copy{padding-top:16px}.guide-copy h3{max-width:none;font-size:22px}.guide-copy .eyebrow{font-size:9px}.guide-copy>p:last-child{max-width:none;font-size:12px}
    .fitment-note{padding:20px;gap:12px}.fitment-note p{font-size:11px}.fitment-note strong{font-size:12px}
    .footer-top{grid-template-columns:1fr 1fr;padding:32px 0;gap:30px 20px}.footer-brand{grid-column:1/-1}.footer-brand img{width:205px}.footer-brand>p{font-size:12px}.footer-column>a{font-size:11px}.footer-column h2{font-size:13px}.footer-bottom{flex-wrap:wrap;font-size:9px;gap:12px}.footer-bottom>span:nth-child(2){order:3;width:100%;font-size:8px}
    .search-band{padding:19px 0}.search-form--compact{grid-template-columns:minmax(0,1fr);gap:9px}.search-form--compact label{font-size:13px}.search-form--compact .search-help{grid-column:1;margin-top:0;font-size:9px}
    .breadcrumbs{padding:19px 0 25px;font-size:10px}.results-title-row h1{font-size:42px}.results-title-row{gap:12px;flex-wrap:wrap}.results-description{font-size:12px}.results-heading{margin-bottom:25px}.results-heading .eyebrow{font-size:8px}
    .card-heading{padding:16px 18px}.card-heading h2{font-size:14px}.card-heading>span{font-size:7px;max-width:90px}.spec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.spec-grid>div{padding:18px}.spec-grid>div:nth-child(2){border-right:0}.spec-grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.specifications{margin-bottom:27px}.spec-grid dd{font-size:16px}
    .results-heading--product .results-title-row h1{font-size:30px}.spec-summary{padding:14px 18px}.spec-grid.spec-grid--count-2>div{border-bottom:0}.spec-grid--count-3>div:last-child{grid-column:1/-1}
    .reference-heading h2{font-size:19px;gap:8px}.result-range{font-size:9px}.results-table th{padding:12px 16px;font-size:8px}.results-table td{padding:0 16px}.manufacturer-link{font-size:11px;gap:9px}.manufacturer-initial{width:25px;height:25px;font-size:10px}.part-link strong{font-size:13px}.part-link small{font-size:8px}.part-link>.icon{width:15px;height:15px}
    .pagination{gap:8px}.pagination-numbers{gap:2px}.pagination-numbers>a{min-width:28px;min-height:32px;font-size:10px}.pagination-direction{font-size:10px}.pagination-direction>span{display:none}
    .help-card{padding:20px;gap:13px}.help-card-icon{width:32px;height:32px}.help-card h2{font-size:16px}.help-card p{font-size:11px}.results-page,.article-page{padding-bottom:35px}
    .article-heading h1{font-size:34px}.article-deck{font-size:13px}.prose{font-size:13px;line-height:1.85}.prose h2{font-size:23px}.prose img{margin:23px 0}.article-layout{margin-bottom:25px}
    .error-state{margin:45px auto 55px}.error-state h1{font-size:37px}.error-state>p:not(.eyebrow){font-size:13px}.error-state .eyebrow{font-size:8px}
}
@media(max-width:420px){
    .container{width:calc(100% - 32px)}.site-logo img{width:192px}.js .primary-nav{left:-16px;right:-16px}
    .hero-copy{padding:27px 20px 14px}.hero .eyebrow{font-size:7px;letter-spacing:.12em}.hero-headline{font-size:38px}.hero-description{font-size:13px;line-height:1.75}.hero .search-control{grid-template-columns:28px minmax(0,1fr);padding:6px}.hero .search-submit{grid-column:1/-1;justify-content:space-between;margin-top:4px}.hero-reassurance{gap:5px;font-size:8px}.hero-reassurance>span{margin-inline:1px}.hero .search-help{font-size:9px}
    .hero-visual{min-height:227px}.hero-plugs{width:390px;left:calc(50% - 182px);top:4px}.hero-tag{left:20px;bottom:24px;padding:10px}.hero-tag-icon{width:28px;height:28px}.hero-tag-icon .icon{width:17px;height:17px}.hero-tag-dot{margin-left:2px}.hero-coordinate{font-size:6px;bottom:8px}
    .brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.brand-card{min-height:115px}.section-heading h2{font-size:27px}.how-section{padding:23px}.how-intro h2{font-size:28px}.how-intro .eyebrow{font-size:7px}.steps p{font-size:11px}.steps h3{font-size:14px}
    .search-form--compact .search-control{grid-template-columns:26px minmax(0,1fr) auto;padding-left:4px}.search-form--compact .search-control input{font-size:12px}.search-form--compact .search-submit{padding:11px;gap:7px;font-size:10px}.search-form--compact .search-submit>.icon{display:none}.search-form--compact .search-help{font-size:8px}
    .results-title-row h1{font-size:37px}.reference-heading h2{font-size:17px}.reference-heading{gap:8px}.result-range{font-size:8px}.results-table td{padding:0 12px}.results-table th{padding:12px}.manufacturer-link{gap:7px;font-size:10px}.manufacturer-initial{width:22px;height:22px;font-size:9px}.part-link{gap:8px}.part-link strong{font-size:12px}.part-link small{font-size:7px}
    .results-heading--product .results-title-row h1{font-size:28px}
    .fitment-note{padding:17px 16px;gap:10px}.fitment-note>.icon{width:19px;height:19px}.fitment-note p{font-size:10px}
    .article-heading h1{font-size:30px}.error-state h1{font-size:33px}
}
@media(max-width:359px){.ad-slot{display:none}.hero-headline{font-size:32px}.hero-reassurance{font-size:7px}.hero .eyebrow{font-size:6px}.search-form--compact .search-submit{font-size:9px;padding-inline:8px}.manufacturer-initial{display:none}.footer-column>a{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
