@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{--navy:#152130;--ink:#172331;--muted:#617080;--line:#dce1e7;--paper:#f3f5f7;--accent:#e8ae56;--blue:#274e78}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:'DM Sans',Arial,sans-serif;font-size:16px;line-height:1.55}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer;border:0}a{color:var(--blue)}button:focus-visible,a:focus-visible{outline:3px solid #4e96d1;outline-offset:4px}input:focus,select:focus{outline:2px solid #376896;outline-offset:1px}.top{height:78px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 34px;gap:40px}.brand{display:flex;align-items:center;gap:12px;font-size:25px;font-weight:700;text-decoration:none;color:var(--ink);letter-spacing:-1px}.brand-mark{font-family:Arial;font-size:19px;letter-spacing:-4px;display:inline-flex;align-items:center;padding:0 6px;width:37px;height:37px;background:var(--navy);color:var(--accent);border-radius:4px}.edition{font-size:12px;letter-spacing:1.4px;color:var(--muted)}.edition b{margin-left:16px;font-weight:500;border:1px solid var(--line);padding:4px 7px;border-radius:3px;letter-spacing:.7px}.top-note{margin-left:auto;font-size:14px;color:var(--muted)}.shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:calc(100vh - 78px)}.sidebar{background:#fff;border-right:1px solid var(--line);padding:30px 18px;display:flex;flex-direction:column}.nav-label{font-size:12px;letter-spacing:1.5px;font-weight:700;color:#788492;padding:0 12px;margin-bottom:12px}.second{margin-top:32px}.nav-main{display:flex;align-items:center;gap:10px;width:100%;padding:12px;background:transparent;border-radius:5px;color:#526171;text-align:left;font-size:15px}.nav-main span{flex:1}.nav-main b{font-size:12px;font-weight:500;color:#768493}.nav-main.active{background:#eaf0f5;color:#203f5e}.calc-nav{display:flex;gap:12px;align-items:center;width:100%;background:none;text-align:left;color:#5d6a79;padding:9px 12px;font-size:14px;border-radius:4px;margin:2px 0}.calc-nav .n{font-size:12px;color:#95a0aa;min-width:19px;font-family:monospace}.calc-nav.active{background:var(--navy);color:white}.calc-nav.active .n{color:var(--accent)}.calc-nav:hover:not(.active),.nav-main:hover:not(.active){background:#f0f3f6}.sidebar-bottom{margin-top:auto;padding:45px 10px 0;font-size:13px;color:#4e5c6a;border-left:2px solid var(--accent)}.sidebar-bottom small{display:block;color:#88929d;font-size:12px;margin-top:5px}main{padding:24px 38px 0;max-width:1580px;width:100%;margin:auto}.breadcrumb{font-size:12px;color:#7b8793;display:flex;gap:12px;margin-bottom:27px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.8px;margin:0 0 9px}.page-heading .eyebrow{color:#6d7b8a}h1,h2,h3,p{margin-top:0}h1{font-family:'Barlow Condensed',Arial,sans-serif;font-size:46px;line-height:1.1;letter-spacing:.2px;margin-bottom:10px;font-weight:600}h2{font-family:'Barlow Condensed',Arial,sans-serif;font-weight:600;font-size:32px;line-height:1.2;margin-bottom:0}h3{font-size:17px;margin-bottom:12px}.muted{color:var(--muted)}.page-heading p{margin-bottom:0}.outline{background:white;border:1px solid #cdd5de;border-radius:5px;padding:11px 15px;font-size:14px;color:#33485e}.workspace-context{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#e7edf2;border:1px solid #d6dfe7;border-radius:5px;padding:12px 16px;margin-bottom:20px;font-size:14px}.workspace-context>div{display:flex;align-items:center;gap:11px;flex-wrap:wrap}.pill{display:inline-block;font-size:12px;border:1px solid #ced7df;color:#5b6d7d;border-radius:4px;padding:2px 8px;background:#f8fafb;font-weight:500}.text-button{background:none;color:#526c83;padding:0;font-size:13px;white-space:nowrap}.calc-layout{display:grid;grid-template-columns:minmax(0,1.38fr) minmax(290px,1fr);gap:22px;align-items:start}.card{background:white;border:1px solid var(--line);border-radius:6px;padding:28px}.card-heading{display:flex;align-items:start;justify-content:space-between;margin-bottom:16px}.card-heading .eyebrow{color:#7c8793;font-size:12px}.index{font-family:'Barlow Condensed';font-size:30px;color:#bac2ca;line-height:1}.calculator>.muted{font-size:14px;margin-bottom:27px;max-width:470px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field label{font-size:14px;display:block;font-weight:500;margin-bottom:7px}.input-wrap{position:relative}.input-wrap input,.field select{width:100%;height:49px;border:1px solid #cbd4dd;border-radius:4px;background:#fcfdfe;color:#1c2f42;padding:9px 67px 9px 13px;font-size:18px;font-variant-numeric:tabular-nums}.field select{font-size:16px;padding-right:12px}.input-wrap span{position:absolute;right:13px;top:14px;font-size:13px;color:#7b8897;pointer-events:none}.field small{display:block;color:#8a652c;font-size:12px;margin-top:5px}.input-wrap input[aria-invalid=true]{border-color:#b33d37;background:#fff9f8}.input-note{font-size:12px;color:#738292;margin:22px 0;line-height:1.65}.formula{padding:18px 0 0;border-top:1px solid #e7ebef;display:flex;flex-direction:column;gap:8px}.formula span{font-size:12px;color:#86909b;letter-spacing:1.6px;font-weight:700}.formula code{font-size:14px;color:#425a70;white-space:normal}.result-card{background:var(--navy);border-radius:6px;padding:27px 28px 0;color:white;overflow:hidden}.result-card>.eyebrow{color:#b6c5d5;font-size:12px;margin-bottom:25px}.main-result{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;line-height:1.1;margin-bottom:15px}.main-result strong{font-family:'Barlow Condensed',Arial,sans-serif;font-size:64px;letter-spacing:.2px;font-weight:500;color:#f0bc6d;font-variant-numeric:tabular-nums}.main-result span{font-size:21px;color:#b6c4d1}.result-label{font-size:14px;color:#c7d3de;margin-bottom:22px}.result-row{border-top:1px solid #344150;padding:12px 0;display:flex;justify-content:space-between;gap:15px;color:#a7b7c7;font-size:14px}.result-row b{color:#eef3f8;font-weight:500;text-align:right}.result-bottom{font-size:12px;color:#92a5b7;padding:15px 28px;background:#1c2b3c;margin:15px -28px 0;border-top:1px solid #344150}.understand{padding:24px 7px 0}.understand .eyebrow{font-size:12px;color:#7a8997;display:block;margin-bottom:12px}.understand h3{font-size:16px;margin-bottom:9px}.understand p{font-size:14px;color:#67788a;line-height:1.8;margin-bottom:13px}.understand a{font-size:13px;color:#365e82;text-underline-offset:3px}.more-section{margin-top:31px}.section-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-label h3{font-size:14px;font-weight:600;margin:0}.section-label>span{font-size:12px;color:#84909d}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related button{text-align:left;background:white;border:1px solid var(--line);border-radius:5px;padding:16px;color:#29425a;display:grid;grid-template-columns:1fr auto;gap:6px}.related button:hover{border-color:#7b93a9}.related button span{font-size:14px;font-weight:600}.related button small{grid-column:1;font-size:12px;color:#7b8896}.related button b{grid-column:2;grid-row:1/3;font-size:18px;font-weight:400;align-self:center;color:#8295a6}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:22px 0;margin-top:40px;font-size:12px;color:#8894a1}footer b{padding:0 9px;font-weight:400}.library-tools{display:flex;gap:12px}.library-tools input,.library-tools select{width:100%;height:46px;background:white;border:1px solid #cdd6df;padding:10px 12px;border-radius:5px;font-size:14px}.search-label{flex:1}.library-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:start}.engine-item{display:block;background:white;border:1px solid var(--line);width:100%;text-align:left;padding:18px 20px;margin-bottom:10px;border-radius:5px}.engine-item.active{border-color:#426787;box-shadow:inset 3px 0 #426787}.engine-item strong{display:block;color:#243d55;font-size:17px;margin:5px 0}.engine-item .eyebrow{font-size:12px;letter-spacing:1px;color:#718092}.engine-item .summary{font-size:14px;color:#708090}.engine-detail{position:sticky;top:20px}.engine-detail .eyebrow{color:#8a6a38}.engine-detail h2{margin:9px 0 12px}.specs{margin:20px 0}.specs>div{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #e8ecf0;padding:10px 0;font-size:14px}.specs dt{color:#6c7c8b}.specs dd{margin:0;text-align:right;font-weight:500}.primary{background:#233e58;color:white;padding:12px 17px;border-radius:4px;font-size:14px;width:100%}.primary:hover{background:#355674}.detail-source{font-size:14px;line-height:1.7}.detail-source a{display:block;margin:10px 0}.detail-source .muted{font-size:12px}.error{font-size:16px;color:#ffb8a9;padding-bottom:12px}.error-detail{color:#c9d4de;font-size:14px;line-height:1.7}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip{position:fixed;top:-100px;background:white;padding:10px;z-index:100}.skip:focus{top:10px}[hidden]{display:none!important}
@media(min-width:1500px){main{padding:36px 55px 0}.calculator{padding:35px}.fields{gap:25px}.page-heading{margin-bottom:34px}}
@media(max-width:1100px){.shell{grid-template-columns:202px 1fr}.sidebar{padding:25px 10px}main{padding:24px 24px 0}.page-heading{align-items:flex-start}.page-heading .outline{max-width:195px;text-align:left}.calc-layout{grid-template-columns:1fr}.result-column{display:grid;grid-template-columns:1fr 1fr;gap:20px}.understand{padding-top:10px}.library-layout{grid-template-columns:1fr 1fr}.main-result strong{font-size:56px}}
@media(max-width:720px){.top{height:64px;padding:0 18px;gap:15px}.brand{font-size:22px}.edition{margin-left:auto;font-size:0}.edition b{margin:0;font-size:10px}.top-note{display:none}.shell{display:block}.sidebar{padding:10px 16px;display:grid;grid-template-columns:1fr 1fr;border-right:0;border-bottom:1px solid var(--line);gap:4px}.sidebar .nav-label,.sidebar-bottom{display:none}#calculatorNav{grid-column:1/-1;display:flex;overflow-x:auto;gap:7px;padding-top:8px}.calc-nav{width:auto;white-space:nowrap;padding:8px 10px;font-size:14px}.calc-nav .n{display:none}.nav-main{font-size:14px;padding:8px 10px}main{padding:20px 16px 0}.breadcrumb{margin-bottom:20px}.page-heading{display:block;margin-bottom:22px}h1{font-size:39px}.page-heading .outline{margin-top:17px;max-width:none;font-size:14px}.workspace-context{display:block;padding:12px;font-size:14px}.workspace-context .text-button{margin-top:10px}.calc-layout{gap:16px}.card{padding:22px}.fields{gap:17px 12px}.field label{font-size:14px}.input-wrap input{font-size:17px}.result-column{display:block}.understand{padding:24px 3px 0}.main-result strong{font-size:60px}.related{grid-template-columns:1fr}.section-label>span{display:none}footer{display:block;line-height:2}footer span{display:block}.library-tools{flex-wrap:wrap;gap:8px}.library-tools .search-label{flex-basis:100%}.library-tools>label:not(.search-label){flex:1}.library-tools select{font-size:14px}.library-layout{grid-template-columns:1fr}.engine-detail{position:static}.page-heading>.pill{margin-top:15px}}
.engine-visual{margin:20px 0 0;border-radius:5px;overflow:hidden;background:#152130}.engine-visual img{display:block;width:100%;height:180px;object-fit:cover;object-position:center 45%}.engine-visual figcaption{padding:9px 12px;color:#bdc9d4;font-size:12px;line-height:1.5}.main-result strong{overflow-wrap:anywhere;max-width:100%}

/* Motorbygging and reserved inventory */
.sidebar{align-self:start;position:sticky;top:0;max-height:100vh}.sidebar #calculatorNav{overflow-y:auto;max-height:58vh;scrollbar-width:thin}.sidebar-bottom{padding-top:20px;margin-top:20px}.build-intro{border-left:3px solid var(--accent);background:#e9eef3;padding:17px 20px;color:#536779;font-size:15px;margin-bottom:26px;line-height:1.7}.build-intro b{color:#253c53}.guide-layout{display:grid;grid-template-columns:minmax(230px,.7fr) minmax(0,1.8fr);gap:26px;align-items:start}.guide-directory>input,.guide-directory>select{display:block;width:100%;padding:11px 12px;border:1px solid #cbd5df;background:white;border-radius:4px;margin-bottom:10px;font-size:14px}.guide-directory>.eyebrow{margin:23px 0 12px;color:#7c8996;font-size:12px}.guide-link{display:block;width:100%;text-align:left;background:white;border:1px solid var(--line);border-radius:4px;padding:13px 15px;margin-bottom:8px;color:#2a4259}.guide-link>span{font-size:11px;letter-spacing:.8px;color:#788898;display:block;margin-bottom:5px}.guide-link>b{font-size:14px;font-weight:500;line-height:1.5;display:block}.guide-link.active{background:#21364b;color:white;border-color:#21364b}.guide-link.active>span{color:#e8bb7a}.guide-link:hover:not(.active){border-color:#8299ad}.guide-detail{padding:32px;min-width:0}.guide-title{border-bottom:1px solid var(--line);padding-bottom:23px;margin-bottom:24px}.guide-title>.eyebrow{color:#88704c;font-size:12px}.guide-title h2{font-size:36px;max-width:650px}.guide-title>p:not(.eyebrow){margin:15px 0;color:#66788b;font-size:16px}.guide-tools{font-size:14px;background:#f3f6f8;padding:18px 21px;border-radius:4px;margin-bottom:24px}.guide-tools h3{font-size:14px;margin-bottom:8px}.guide-tools ul{padding-left:19px;margin:0;line-height:1.9;color:#607183}.guide-steps{padding:0;list-style:none;counter-reset:steps;margin:28px 0}.guide-steps>li{position:relative;padding:0 0 23px 46px;counter-increment:steps}.guide-steps>li:before{content:counter(steps,decimal-leading-zero);position:absolute;left:0;top:0;color:#9a7948;background:#faf1e3;width:30px;height:29px;text-align:center;line-height:29px;border-radius:3px;font-size:13px;font-weight:700}.guide-steps h3{font-size:17px;margin-bottom:8px}.guide-steps p,.guide-check p{font-size:16px;line-height:1.8;color:#596d7e;margin:0}.guide-check{border:1px solid #e5d7bf;border-left:3px solid #c9a465;background:#fcf9f3;padding:18px 20px;margin-bottom:24px}.guide-check h3{font-size:14px;color:#816639;margin-bottom:7px}.guide-check p{font-size:14px}.guide-actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.guide-sources{font-size:14px;border-top:1px solid var(--line);padding-top:18px;margin-top:24px}.guide-sources summary{cursor:pointer;color:#3b5670;font-weight:600}.guide-sources a{display:block;margin:13px 0;overflow-wrap:anywhere}.guide-sources p{font-size:12px;color:#7a8997;line-height:1.7}.variant-box{padding:20px;background:#eaf0f5;border-radius:5px;margin:20px 0}.variant-box label{display:block;font-size:14px;font-weight:600;margin-bottom:9px}.variant-box select{max-width:100%;width:100%;font-size:15px;border:1px solid #bfcdd8;padding:11px;background:white;border-radius:4px;color:#284058}.variant-box p{font-size:15px;line-height:1.8;margin:14px 0 0;color:#536a7f}.build-visual{background:#152130;border-radius:6px;padding:24px;margin:24px 0;color:#d7e3ed}.visual-head{display:flex;justify-content:space-between;gap:15px;margin-bottom:18px}.visual-head .eyebrow{color:#ebbc77;font-size:11px}.visual-head>span:last-child{font-size:11px;color:#879db2}.visual-control{display:block;margin-bottom:15px}.visual-control>span{display:flex;justify-content:space-between;gap:20px;font-size:14px}.visual-control output{color:#efba69;font-variant-numeric:tabular-nums;white-space:nowrap}.visual-control input{width:100%;accent-color:#e9b567;cursor:ew-resize;margin:13px 0 0;min-height:24px}#buildChart{display:block;width:100%;height:auto;margin:12px 0}#visualResult{font-size:15px;line-height:1.7;color:#e6edf4;margin:13px 0}.visual-caption{font-size:12px;color:#93a8bb;line-height:1.7;border-top:1px solid #344455;padding-top:12px;margin-bottom:0}.ad-slot{display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;border:1px dashed #c7d0d9;background:repeating-linear-gradient(135deg,#f1f4f7,#f1f4f7 8px,#eef2f5 8px,#eef2f5 9px);color:#8693a0;overflow:hidden}.ad-slot>span{font-size:10px;letter-spacing:2px}.ad-slot>div{font-size:13px;color:#778898;margin:10px 12px}.ad-slot>small{font-size:11px;color:#8b98a5}.ad-slot.rectangle{width:100%;max-width:300px;min-height:250px;margin:24px auto 0;border-radius:4px}.ad-slot.leaderboard{max-width:970px;min-height:110px;margin:34px auto 0;border-radius:4px}.ad-slot.leaderboard>div{margin:6px 12px}.guide-directory{min-width:0}.guide-detail svg text{font-family:'DM Sans',Arial,sans-serif}#buildingView .page-heading .pill{white-space:normal}
@media(max-width:1200px){.guide-layout{grid-template-columns:220px minmax(0,1fr);gap:18px}.guide-detail{padding:25px}.build-visual{padding:18px}.guide-title h2{font-size:32px}}
@media(max-width:980px){.guide-layout{grid-template-columns:1fr}.guide-directory{display:grid;grid-template-columns:1fr 1fr;gap:10px}.guide-directory>input,.guide-directory>select{margin-bottom:0}.guide-directory>.eyebrow{grid-column:1/-1;margin:5px 0}.guide-directory #guideList{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;max-height:245px;overflow-y:auto}.guide-link{margin:0}.guide-directory #guideAd{display:none}.guide-detail{padding:26px}.ad-slot.leaderboard{min-height:100px}}
@media(max-width:720px){.sidebar{position:static;max-height:none;grid-template-columns:repeat(3,minmax(0,1fr));padding:10px 12px}.sidebar #calculatorNav{max-height:none;overflow-x:auto;overflow-y:hidden}.nav-main{padding:9px 5px;gap:5px;font-size:12px;justify-content:center;white-space:nowrap}.nav-main span{flex:0}.nav-main b{display:none}.guide-title h2{font-size:32px}.guide-detail{padding:21px}.guide-tools{padding:15px}.guide-steps>li{padding-left:38px}.guide-steps p{font-size:16px}.guide-steps h3{font-size:16px}.build-visual{padding:17px;margin-left:-5px;margin-right:-5px}.visual-control>span{font-size:14px}.visual-head>span:last-child{display:none}.guide-directory>input{grid-column:1/-1}.guide-directory>select{grid-column:1/-1}.guide-link{padding:11px}.guide-link>b{font-size:13px}.guide-link>span{font-size:11px}.guide-sources summary{font-size:14px}.build-intro{font-size:14px}.ad-slot.leaderboard{min-height:100px}.guide-actions .outline{font-size:14px}.page-heading .pill{margin-top:15px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}


.guide-link>span,.visual-head .eyebrow,.visual-head>span:last-child,.ad-slot>span,.ad-slot>small{font-size:12px}.guide-link>b{font-size:14px}@media(max-width:720px){.nav-main{font-size:0;gap:0}.nav-main span{font-size:14px;flex:1}.guide-link>b{font-size:14px}#buildChart text{font-size:27px}}

a.nav-main{text-decoration:none}.chevy-sections{display:grid;gap:18px;padding:16px 10px}.chevy-sections a{color:#667b8e;font-size:14px;text-decoration:none}.chevy-hero{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;background:#152130;color:#e4edf4;padding:34px;border-radius:8px;margin:24px 0 32px}.chevy-hero h2{font-size:36px;margin:12px 0}.chevy-hero p{color:#a6b9ca;line-height:1.8}.chevy-hero .outline{display:inline-block;color:#e8b66f;margin-top:16px;border-color:#6c6253;text-decoration:none}.chevy-number{display:flex;flex-direction:column;justify-content:center;border-left:1px solid #3d4c5d;padding-left:32px}.chevy-number span{color:#a1b2c1;font-size:12px;letter-spacing:2px}.chevy-number strong{font:54px 'Barlow Condensed',sans-serif;letter-spacing:5px;color:#efba69;margin:12px 0}.chevy-number small{color:#a6b9ca;line-height:1.8}.chevy-card{padding:30px;margin:28px 0;scroll-margin-top:20px}.chevy-card h2{font-size:34px;margin:8px 0 14px}.casting-tools{display:grid;grid-template-columns:2fr 1fr 1fr;gap:14px;margin:26px 0 12px}.casting-tools label{font-size:13px;color:#536779}.casting-tools input,.casting-tools select{width:100%;padding:12px;border:1px solid #bbcbd6;border-radius:4px;background:white;margin-top:8px;color:#243a50;font-size:14px}.casting-summary,.casting-pages{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:#617587;margin:14px 0}.casting-table{width:100%;border-collapse:collapse;font-size:14px}.casting-table th{text-align:left;background:#eef3f6;color:#61778a;font-size:12px;padding:14px 12px}.casting-table td{border-bottom:1px solid #dde5ec;padding:16px 12px;vertical-align:top}.casting-table td:first-child{font-variant-numeric:tabular-nums;letter-spacing:1px;color:#1d3d56}.casting-table td small{display:block;max-width:270px;margin-top:7px;line-height:1.6;color:#637487}.data-flag{color:#875c20;background:#fcf1de;padding:4px 7px;border-radius:3px;font-size:12px}.data-status{color:#687d8c;font-size:12px}.source-note{background:#f2f5f7;padding:20px;margin-top:24px;font-size:13px;line-height:1.8;color:#627587}.source-note p{margin:8px 0}.chevy-explain,.chevy-profiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin:24px 0}.chevy-explain article{padding:22px;background:#eaf0f4;border-radius:5px}.chevy-explain span{font-size:12px;color:#8c754e;letter-spacing:1px}.chevy-explain h3{font-size:20px;margin:13px 0}.chevy-explain p,.chevy-profiles p{font-size:14px;line-height:1.8;color:#5e7385}.chevy-profiles .card{padding:23px}.chevy-profiles h3{font-size:36px;margin:12px 0}.chevy-profiles dl div{border-top:1px solid #e0e6ec;padding:12px 0;font-size:13px}.chevy-profiles dt{color:#738596;margin-bottom:6px}.chevy-profiles dd{margin:0;color:#274359;font-weight:600}.chevy-profiles a{font-size:13px;display:block;margin-top:15px;overflow-wrap:anywhere}.chevy-profiles .outline{text-decoration:none;line-height:1.6}.timing-lab{background:#152130;border-radius:6px;padding:24px;color:#dce7ef;margin-top:24px}.timing-lab .eyebrow{color:#efba69}.timing-lab h3{font-size:26px;margin:12px 0}.timing-lab p,.timing-lab li{font-size:14px;line-height:1.8;color:#b4c7d7}.timing-panels{display:grid;grid-template-columns:1.2fr 1fr;gap:8px}.timing-panels figure{margin:0;min-width:0}.timing-panels svg{width:100%;height:auto;display:block}.timing-panels figcaption{font-size:12px;line-height:1.7;color:#91a8bc;padding:4px 12px}.timing-presets{display:flex;flex-wrap:wrap;gap:7px}.timing-presets button{background:#2a4056;color:#e3edf5;border:1px solid #526e84;border-radius:4px;padding:9px;font-size:12px}.timing-presets button:hover{border-color:#efba69}.timing-theory{border-top:1px solid #405265;margin-top:24px;padding-top:20px}.timing-theory summary{font-size:14px;cursor:pointer}.timing-setup{padding-left:22px}.timing-setup li{padding:8px 0}.timing-setup b{color:#efba69}.timing-lab .visual-caution{font-size:12px;color:#8da4b8}#mechanicalResult{color:#efba69;font-size:15px}button:disabled{opacity:.45;cursor:default}
@media(max-width:1100px){.chevy-profiles{grid-template-columns:1fr}.chevy-explain{grid-template-columns:1fr}.casting-tools{grid-template-columns:1fr 1fr}.casting-tools label:first-child{grid-column:1/-1}.chevy-hero{grid-template-columns:1fr}.chevy-number{padding:20px 0 0;border-left:0;border-top:1px solid #3d4c5d}}
@media(max-width:720px){.sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}.chevy-sections{display:none}.chevy-card{padding:20px 14px}.chevy-hero{padding:25px}.casting-table thead{display:none}.casting-table,.casting-table tbody,.casting-table tr,.casting-table td{display:block}.casting-table tr{border:1px solid #d9e3eb;border-radius:5px;padding:12px;margin-bottom:12px}.casting-table td{border:0;padding:7px 0;display:grid;grid-template-columns:110px 1fr;gap:10px}.casting-table td:before{content:attr(data-label);font-size:12px;color:#7b8e9e;letter-spacing:0;font-weight:400}.casting-table td small{grid-column:2}.casting-table td[colspan]{display:block;line-height:1.8}.casting-pages{font-size:12px}.casting-pages .outline{padding:9px;font-size:12px}.casting-summary{align-items:flex-start}.timing-panels{grid-template-columns:1fr}.timing-panels svg{max-height:340px}.timing-lab{padding:17px;margin-left:-5px;margin-right:-5px}.timing-lab h3{font-size:24px}.timing-lab p,.timing-lab li{font-size:15px}.chevy-number strong{font-size:46px}.chevy-profiles .card{padding:18px}}


.prop-group{grid-column:1/-1;border:1px solid #d7e1e9;border-radius:5px;padding:16px;margin-top:8px}.prop-group summary{cursor:pointer;font-size:16px;font-weight:600;color:#304d64}.prop-group summary span{float:right;color:#8394a3;font-size:12px;font-weight:400}.prop-group>.fields{margin-top:22px}.result-row b{overflow-wrap:anywhere}.prop-group .field small{line-height:1.5}
@media(max-width:720px){.prop-group>.fields{grid-template-columns:1fr}.prop-group summary{font-size:15px}}

.disclosure{border-top:1px solid var(--line);padding:16px 0;margin-top:15px}.disclosure>summary{cursor:pointer;font-weight:600;font-size:14px;color:#36536b;list-style-position:inside}.disclosure[open]>summary{margin-bottom:18px}.formula-disclosure .formula{margin-bottom:0}.understand.disclosure{padding:18px 5px}.understand:not([open]){height:max-content}.more-section>.section-label{display:none}.result-details{border-top:1px solid #344150;margin-top:16px;padding-top:14px}.result-details summary{font-size:13px;color:#b7cada;cursor:pointer}.result-details[open] summary{margin-bottom:16px}.tool-group summary{font-size:13px;color:#49647b;font-weight:600;cursor:pointer;padding:11px 8px}.tool-group{border-bottom:1px solid #e5ebf0}.tool-group .calc-nav{padding:9px 12px 9px 20px}.sidebar #calculatorNav{max-height:62vh}.sidebar-bottom,.edition b{display:none}body:not(.tools-view) #calculatorNav,body:not(.tools-view) .sidebar>.second{display:none}.data-subnav{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid #ccd8e2;margin:0 0 24px;padding-bottom:12px;font-size:14px}.data-subnav>*{padding:9px 14px;text-decoration:none;border-radius:4px}.data-subnav [aria-current]{background:#203b53;color:white}.data-subnav a{background:#e8eef3;color:#36536b}.page-heading .eyebrow{display:none}.page-heading{margin-bottom:20px}.page-heading h1{font-size:40px}.workspace-context{margin-bottom:18px}.workspace-context .pill{display:none}#engineList{max-height:550px;overflow-y:auto;padding-right:7px}.engine-item{padding:13px 16px}.engine-detail .detail-source{margin-top:20px}.guide-tools.disclosure{padding:16px 18px}.guide-tools ul{margin-top:15px}.guide-detail .disclosure{margin:15px 0}.chevy-card.disclosure{padding:20px;margin:18px 0}.source-note summary{cursor:pointer;font-weight:600}.timing-theory summary{color:#efba69;cursor:pointer}.chevy-hero{margin:0}.chevy-hero .outline{background:transparent}.chevy-card h2{font-size:30px}.chevy-sections{display:none}
@media(max-width:720px){.sidebar{grid-template-columns:repeat(3,minmax(0,1fr))}.sidebar .nav-main span{font-size:13px}body.tools-view #calculatorNav{display:grid;grid-template-columns:1fr;max-height:255px;overflow-y:auto;padding:8px 0}.tool-group .calc-nav{display:block;width:100%;white-space:normal}.tool-group summary{font-size:14px}.page-heading h1{font-size:34px}.page-heading{margin-bottom:14px}#engineList{max-height:290px}.library-layout{gap:18px}.data-subnav>*{padding:9px 10px;font-size:13px}.guide-directory #guideList{max-height:180px}.result-details summary{font-size:14px}.guide-detail{padding:20px}.timing-lab{margin-top:15px}}


#mobileTool,.mobile-tool-label{display:none}@media(max-width:720px){body.tools-view #calculatorNav{display:none}body.tools-view #mobileTool{display:block;grid-column:1/-1;width:100%;padding:11px;background:white;color:#27465f;border:1px solid #becdd8;border-radius:4px;font-size:15px;margin:3px 0}body.tools-view .mobile-tool-label{display:block;grid-column:1/-1;font-size:12px;color:#64798d;padding-top:7px}.workspace-context{font-size:12px}.workspace-context .text-button{font-size:12px}.page-heading .outline{margin-top:10px}.breadcrumb{margin-bottom:12px}}

/* Engine reference library */
.library-tools{display:grid;grid-template-columns:minmax(240px,2fr) repeat(3,minmax(125px,1fr))}.identification{margin:16px 0 24px;padding:16px 20px;border:1px solid var(--line);border-radius:12px}.identification p{max-width:85ch}.identification li{margin:9px 0}.engine-section{border-top:1px solid var(--line);padding:18px 0}.engine-section summary{line-height:1.5}.engine-section a{font-size:13px}.engine-section .specs{margin-top:20px}.engine-detail #useEngine{margin-top:18px}.engine-detail dd{overflow-wrap:anywhere}.engine-item .summary b{color:var(--ink)}@media(max-width:900px){.library-tools{grid-template-columns:repeat(3,1fr)}.library-tools .search-label{grid-column:1/-1}}@media(max-width:540px){.library-tools{grid-template-columns:1fr}.library-tools .search-label{grid-column:auto}.engine-section summary .muted{display:block}.specs>div{min-width:0}}

.library-tools{grid-template-columns:repeat(4,minmax(0,1fr))}.library-tools .search-label{grid-column:1/-1}.library-tools input,.library-tools select{width:100%;min-width:0}.library-layout{grid-template-columns:minmax(230px,.75fr) minmax(0,1.25fr)}.engine-item .summary{display:block;overflow-wrap:anywhere}.engine-code{padding:14px;background:#edf2f7;border-radius:6px;overflow-wrap:anywhere}.engine-code b,.engine-code span{display:block}.engine-code b{font-size:13px;color:var(--muted)}.workshop-table-wrap{overflow-x:auto;margin-top:18px}.workshop-table{border-collapse:collapse;width:100%;font-size:14px}.workshop-table th,.workshop-table td{text-align:left;vertical-align:top;padding:10px 8px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.workshop-table thead{background:#edf2f7}.workshop-table tbody th{font-weight:500;width:30%}.workshop-table td{font-variant-numeric:tabular-nums}.workshop-notes li,.workshop-sources li{margin:14px 0;overflow-wrap:anywhere}.workshop-sources a{font-size:14px}.workshop-sources p{margin:4px 0 18px}.engine-detail{min-width:0}.engine-section summary{font-size:15px}@media(max-width:1100px){.library-layout{grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr)}.workshop-table,.workshop-table tbody,.workshop-table tr,.workshop-table th,.workshop-table td{display:block}.workshop-table thead{display:none}.workshop-table tr{padding:10px 0;border-bottom:1px solid var(--line)}.workshop-table tbody th{width:100%;font-weight:700;border:0}.workshop-table td{border:0;padding:3px 8px}.workshop-table td:before{content:attr(data-label) ": ";color:var(--muted);font-size:13px}}@media(max-width:720px){.library-layout{grid-template-columns:1fr}.library-tools{grid-template-columns:repeat(2,minmax(0,1fr))}.library-tools .search-label{grid-column:1/-1}.workshop-notes,.workshop-sources{padding-left:20px}}

/* Motorcycle data and original manual access. */
.data-subnav button{font:inherit;padding:.55rem .85rem;min-height:40px}
.data-subnav button[aria-pressed="true"]{border-color:var(--accent);font-weight:700}
.engine-manual{margin:1.4rem 0;padding:1.15rem;border:1px solid var(--line,#d0c5b0);border-left:3px solid var(--accent,#c7663d);border-radius:8px;background:rgba(139,109,68,.05)}
.engine-manual h3{margin:.35rem 0;font-size:1rem}
.engine-manual p{font-size:.88rem;line-height:1.55}
.engine-manual details{margin-top:1rem;font-size:.85rem}
.engine-manual a{display:inline-block;min-height:32px;overflow-wrap:anywhere}
.engine-detail dd,.engine-detail a{overflow-wrap:anywhere}