/* Engine platform pages (Cummins / Power Stroke / Duramax) */
.engine-page{--accent:#0499f7}
.eh-back{display:inline-block;margin-bottom:18px;color:#7a828c!important;font-size:14px;text-decoration:none}
.eh-back:hover{color:#5cc0ff!important}
.eh-logo{position:relative;display:grid;place-items:center;aspect-ratio:1;max-width:400px;width:100%;justify-self:center}
.eh-logo img{position:relative;z-index:1;width:56%;height:auto;filter:drop-shadow(0 10px 30px rgba(0,0,0,.6))}
.eh-rings i{position:absolute;inset:0;border-radius:50%;border:1px solid rgba(92,192,255,.25)}
.eh-rings i:nth-child(1){border-top-color:#0499f7;border-width:2px;animation:ehSpin 8s linear infinite;box-shadow:0 0 40px rgba(4,153,247,.15) inset}
.eh-rings i:nth-child(2){inset:12%;border-style:dashed;animation:ehSpin 30s linear infinite reverse}
.eh-rings i:nth-child(3){inset:24%;background:radial-gradient(circle,rgba(4,153,247,.22),transparent 70%);border-color:rgba(92,192,255,.15)}
@keyframes ehSpin{to{transform:rotate(360deg)}}
/* slider */
.ew-card{padding:26px;border:1px solid #2c3136;border-top-color:#454b53;border-radius:18px;background:linear-gradient(160deg,#2a2e35 0%,#1b1e23 45%,#0d0f12 100%);box-shadow:0 14px 30px rgba(0,0,0,.45)}
.ew-top{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-bottom:22px}
.ew-year{font:800 64px/1 Inter,Arial,sans-serif;letter-spacing:-.04em;background:linear-gradient(90deg,#fff,#5cc0ff);-webkit-background-clip:text;background-clip:text;color:transparent;min-width:170px}
.ew-result{flex:1;min-width:220px}.ew-result .fx-label{margin:0 0 4px}
.ew-result b{display:block;color:#fff;font-size:24px;font-weight:800}
.ew-result span{color:#b4bac1;font-size:14px}
.ew-range{-webkit-appearance:none;appearance:none;width:100%;height:10px;border-radius:10px;background:linear-gradient(90deg,#0566d1 0,#5cc0ff var(--p,50%),#1b1e23 var(--p,50%));outline:none;cursor:pointer}
.ew-range::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;background:#fff;border:5px solid #0499f7;box-shadow:0 0 0 6px rgba(4,153,247,.2),0 4px 12px rgba(0,0,0,.5)}
.ew-range::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:5px solid #0499f7}
.ew-range:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 8px rgba(92,192,255,.45)}
.ew-scale{display:flex;justify-content:space-between;margin-top:8px;color:#7a828c;font-size:12.5px;font-weight:700}
.ew-link{background:none;border:0;padding:0;color:#5cc0ff;font:inherit;font-weight:700;cursor:pointer}
/* tabs */
.eg-tabs{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 14px;scrollbar-width:thin;scroll-snap-type:x mandatory}
.eg-tab{flex:none;scroll-snap-align:start;display:flex;flex-direction:column;align-items:flex-start;gap:3px;min-width:150px;padding:14px 16px;border:1px solid #2c3136;border-radius:14px;background:#121417;color:#b4bac1;font:inherit;text-align:left;cursor:pointer;transition:border-color .2s,background .2s,transform .2s}
.eg-tab-years{color:#7a828c;font-size:12px;font-weight:800;letter-spacing:.06em}
.eg-tab b{color:#fff;font-size:15.5px}
.eg-tab-sub{font-size:12.5px}
.eg-tab:hover{border-color:#3d434a;transform:translateY(-2px)}
.eg-tab[aria-selected="true"]{border-color:#0499f7;background:linear-gradient(160deg,rgba(5,102,209,.35),#121417 80%);box-shadow:0 0 0 1px #0499f7,0 0 24px rgba(4,153,247,.25)}
.eg-tab[aria-selected="true"] .eg-tab-years{color:#5cc0ff}
.eg-tab:focus-visible{outline:2px solid #5cc0ff;outline-offset:3px}
/* panel */
.eg-panel{position:relative;overflow:hidden;margin-top:6px;padding:28px;border:1px solid #2c3136;border-top-color:#454b53;border-radius:20px;background:linear-gradient(160deg,#2a2e35 0%,#1b1e23 45%,#0d0f12 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 22px 50px rgba(0,0,0,.5);animation:egIn .35s ease}
@keyframes egIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.eg-panel::before{content:"";position:absolute;top:-140px;right:-100px;width:420px;height:420px;background:radial-gradient(circle,rgba(4,153,247,.14),transparent 65%);pointer-events:none}
.eg-panel>*{position:relative}
.eg-panel-head{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:22px}
.eg-years{margin:0;color:#5cc0ff;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.eg-panel h3{margin:6px 0 10px;color:#fff;font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.02em}
.eg-sum{margin:0;color:#b4bac1;font-size:16px;line-height:1.6;max-width:640px}
.eg-power{display:flex;gap:10px;align-self:flex-start}
.eg-power div{min-width:120px;padding:14px 16px;border-radius:14px;background:rgba(5,5,6,.5);border:1px solid #2c3136;text-align:center}
.eg-power b{display:block;color:#fff;font-size:30px;font-weight:800;letter-spacing:-.02em}
.eg-power span{color:#7a828c;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.eg-body{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:18px;margin-bottom:18px}
.eg-specs{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.eg-specs div{padding:12px 14px;border-radius:12px;background:rgba(5,5,6,.4);border:1px solid #2c3136}
.eg-specs dt{color:#7a828c;font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.eg-specs dd{margin:4px 0 0;color:#f5f6f7;font-size:14.5px;font-weight:700}
.eg-meters{padding:16px 18px;border-radius:14px;background:rgba(5,5,6,.4);border:1px solid #2c3136}
.eg-meter{display:grid;grid-template-columns:120px 1fr auto;align-items:center;gap:10px;margin-top:12px;font-size:13px;color:#b4bac1}
.eg-meter i{position:relative;height:8px;border-radius:8px;background:#1b1e23;overflow:hidden}
.eg-meter i::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--v);border-radius:8px;background:linear-gradient(90deg,#0566d1,#5cc0ff);box-shadow:0 0 10px rgba(4,153,247,.6);animation:egBar .8s ease}
@keyframes egBar{from{width:0}}
.eg-meter b{color:#fff;font-size:12.5px;white-space:nowrap}
.eg-lists{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.eg-list{padding:18px;border-radius:14px;background:rgba(5,5,6,.4);border:1px solid #2c3136}
.eg-list h4{margin:0 0 10px;color:#fff;font-size:15px;font-weight:800}
.eg-list ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.eg-list li{position:relative;padding-left:24px;color:#b4bac1;font-size:14px;line-height:1.45}
.eg-list li::before{content:"";position:absolute;left:0;top:3px;width:15px;height:15px;border-radius:50%}
.eg-ok li::before{background:#0566d1 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M3 6.2l2 2 4-4.4' fill='none' stroke='%23fff' stroke-width='1.8'/%3E%3C/svg%3E") center/10px no-repeat}
.eg-warn li::before{background:#2a2e35 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M6 2.5v4.2M6 8.6v.6' fill='none' stroke='%235cc0ff' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") center/11px no-repeat;border:1px solid #3d434a}
.eg-up li::before{background:rgba(5,102,209,.2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M6 9V3M3.5 5.5L6 3l2.5 2.5' fill='none' stroke='%235cc0ff' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") center/11px no-repeat;border:1px solid rgba(4,153,247,.5)}
.eg-panel-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-top:20px;padding-top:18px;border-top:1px solid #2c3136;color:#b4bac1;font-size:14px}
.eg-panel-foot b{color:#fff;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px}
/* power chart */
.pc-card{padding:22px;border:1px solid #2c3136;border-top-color:#454b53;border-radius:18px;background:linear-gradient(160deg,#16191d,#0a0b0d)}
.pc-svg{display:block;width:100%;height:auto;font-family:Inter,Arial,sans-serif}
.pc-hp{fill:url(#none);fill:#0566d1}
.pc-tq{fill:#5cc0ff;opacity:.85}
.pc-col{transition:opacity .2s}
.pc-col:hover rect,.pc-col.is-on rect{filter:drop-shadow(0 0 8px rgba(4,153,247,.8))}
.pc-col.is-on .pc-x{fill:#fff}
.pc-v{fill:#dde1e5;font-size:11px;font-weight:800;text-anchor:middle}
.pc-x{fill:#7a828c;font-size:12px;font-weight:800;text-anchor:middle}
.pc-base{stroke:#2c3136;stroke-width:1.5}
.pc-legend .hp::before{background:#0566d1}.pc-legend .tq::before{background:#5cc0ff}
/* service cards as links */
.es-grid li{padding:0}
.es-grid a{display:block;height:100%;padding:22px;text-decoration:none;color:inherit}
.es-more{display:inline-block;margin-top:12px;color:#5cc0ff;font-size:13.5px;font-weight:800}
@media (max-width:1000px){.eg-body{grid-template-columns:1fr}.eg-lists{grid-template-columns:1fr}}
@media (max-width:640px){.eg-panel{padding:20px}.eg-specs{grid-template-columns:1fr}.eg-power{width:100%}.eg-power div{flex:1;min-width:0}.ew-year{font-size:48px;min-width:0}.ew-go{width:100%;justify-content:center}.eh-logo{max-width:240px}.pc-v{font-size:9px}.pc-x{font-size:10px}}
@media (prefers-reduced-motion:reduce){.eh-rings i,.eg-panel,.eg-meter i::after{animation:none}}
.ew-go{background:transparent!important;color:#dde1e5!important;border:1px solid #3d434a!important;cursor:pointer;font:800 15px/1 Inter,Arial,sans-serif}
.ew-go:hover{border-color:#0499f7!important;color:#fff!important}
.pc-svg{max-width:920px;margin:0 auto}
/* extra info blocks: codes, tip, compare, desert, timeline */
.eg-extra{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:16px;margin-top:18px}
.eg-codes{padding:18px;border:1px solid #2c3136;border-radius:14px;background:#121418}
.eg-codes ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.eg-codes li{display:flex;gap:12px;align-items:baseline;color:#b4bac1;font-size:14px;line-height:1.45}
.eg-codes li b{flex:none;min-width:62px;padding:3px 8px;border-radius:7px;background:rgba(4,153,247,.12);border:1px solid rgba(92,192,255,.3);color:#5cc0ff;font:800 12.5px/1.4 ui-monospace,Consolas,monospace;text-align:center}
.eg-tip{display:flex;gap:14px;padding:18px;border-radius:14px;border:1px solid rgba(92,192,255,.28);background:linear-gradient(150deg,rgba(5,102,209,.22),rgba(13,15,18,.6))}
.eg-tip svg{flex:none;width:30px;height:30px;fill:none;stroke:#5cc0ff;stroke-width:1.8;stroke-linecap:round}
.eg-tip b{display:block;color:#fff;font-size:15px;margin-bottom:4px}
.eg-tip p{margin:0;color:#c8cdd2;font-size:14px;line-height:1.55}
.cmp-wrap{overflow-x:auto;border:1px solid #2c3136;border-radius:16px;background:linear-gradient(160deg,#2a2e35 0%,#1b1e23 45%,#0d0f12 100%);box-shadow:0 14px 30px rgba(0,0,0,.45)}
.cmp{width:100%;min-width:860px;border-collapse:collapse;font-size:14px}
.cmp th,.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid #2c3136;color:#c8cdd2;vertical-align:top}
.cmp thead th{color:#7a828c;font-size:11.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;background:rgba(0,0,0,.25)}
.cmp tbody th{min-width:170px}.cmp tbody th .ew-link{display:block;color:#fff;font-weight:800;font-size:15px;text-align:left}
.cmp tbody th span{color:#7a828c;font-size:12.5px;font-weight:600}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody tr:hover{background:rgba(4,153,247,.06)}
.cmp td b{color:#fff}
.ed-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.ed-grid li{position:relative;padding:22px;border:1px solid #2c3136;border-top-color:#454b53;border-radius:16px;background:linear-gradient(160deg,#2a2e35 0%,#1b1e23 45%,#0d0f12 100%)}
.ed-n{display:inline-block;margin-bottom:12px;color:#5cc0ff;font:800 13px/1 ui-monospace,Consolas,monospace;letter-spacing:.1em}
.ed-grid h3{margin:0 0 8px;color:#fff;font-size:17px}
.ed-grid p{margin:0;color:#b4bac1;font-size:14px;line-height:1.55}
.tl{list-style:none;margin:0;padding:0 0 0 26px;position:relative;display:grid;gap:22px}
.tl:before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(#0499f7,#2c3136)}
.tl li{position:relative}
.tl li:before{content:"";position:absolute;left:-26px;top:5px;width:14px;height:14px;border-radius:50%;background:#0d0f12;border:3px solid #0499f7;box-shadow:0 0 0 4px rgba(4,153,247,.15)}
.tl b{color:#5cc0ff;font-size:13px;font-weight:800;letter-spacing:.06em}
.tl h3{margin:2px 0 4px;color:#fff;font-size:17px}
.tl p{margin:0;color:#b4bac1;font-size:14.5px;line-height:1.55;max-width:720px}
@media(max-width:900px){.eg-extra{grid-template-columns:1fr}.ed-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.ed-grid{grid-template-columns:1fr}}
.cmp td:last-child,.cmp th:last-child{white-space:nowrap}
.fh-actions .fx-go,.fh-actions .fx-call,.fx-cta-actions a{box-sizing:border-box;max-width:100%}
/* hero logo: centered inside the spinning disk */
.eh-rings{position:absolute;inset:0;pointer-events:none}
.eh-logo{grid-template-areas:"c"}
.eh-logo>*{grid-area:c}
.eh-logo:before{content:"";grid-area:c;width:64%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 50% 35%,#2a2e35,#0d0f12 70%);border:1px solid rgba(92,192,255,.25);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 20px 50px rgba(0,0,0,.6),0 0 60px rgba(4,153,247,.18)}
.eh-logo img{position:relative;z-index:2;width:50%;max-height:42%;object-fit:contain}