/* E-Cruiza pannier system: engineering notebook page.
   Scoped to .eng so the shared site styles, nav and footer are untouched. */
.eng-page{--e-ink:#1d1d1f;--e-grey:#6e6e73;--e-grey-2:#86868b;--e-soft:#f5f5f7;--e-line:#d2d2d7;--e-link:#2d6a58;--e-dark:#000;--e-dark-2:#161617;--e-dark-grey:#a1a1a6;--e-blue:#2997ff}
.eng-page .shop-notice{text-align:center;padding:12px 20px;background:var(--e-soft);font-size:12px;color:#56565c;line-height:1.6}
.eng{display:block;color:var(--e-ink);background:#fff;font-family:var(--display-font,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif);-webkit-font-smoothing:antialiased}
.eng *{box-sizing:border-box}
.eng img{max-width:100%;height:auto;display:block}
.eng h1,.eng h2,.eng h3,.eng p{margin-top:0}
.eng h1,.eng h2,.eng h3{font-family:inherit;color:inherit}
.eng .wrap{max-width:1180px;margin:0 auto;padding-left:40px;padding-right:40px}
.eng .narrow{max-width:860px}
.eng section{scroll-margin-top:90px}
.eng .kicker{display:block;font-size:14px;font-weight:600;letter-spacing:-.005em;color:var(--e-grey);margin:0 0 18px}
.eng h2{font-size:clamp(40px,5.4vw,68px);font-weight:650;line-height:1.04;letter-spacing:-.05em;margin-bottom:24px;text-wrap:balance}
.eng h2 span,.eng h1 span{color:var(--e-grey-2)}
.eng h3{font-size:24px;font-weight:620;line-height:1.18;letter-spacing:-.03em;margin-bottom:10px}
.eng p{line-height:1.6}
.eng .lead{font-size:21px;line-height:1.5;color:var(--e-grey);letter-spacing:-.02em;max-width:760px}
.eng .lead strong,.eng p strong{color:var(--e-ink);font-weight:600}
.eng .text-link{color:var(--e-link);font-size:17px;display:inline-flex;gap:8px;align-items:center}
.eng .text-link:hover{text-decoration:underline;text-underline-offset:4px}
.eng a:focus-visible,.eng button:focus-visible{outline:3px solid #587dca;outline-offset:4px;border-radius:6px}
.eng .caption{font-size:12px;line-height:1.6;color:var(--e-grey);margin:14px 0 0}
.eng .band{padding-top:120px;padding-bottom:120px}
.eng .band-soft{background:var(--e-soft)}
.eng .band-tight{padding-top:80px;padding-bottom:80px}
.eng .center{text-align:center}
.eng .center .lead{margin-left:auto;margin-right:auto}

/* local product nav, as on the Spheno Shift page */
.eng-local{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px max(30px,calc((100vw - 1100px)/2));border-bottom:1px solid #00000012;background:#fff;font-family:var(--display-font,-apple-system,BlinkMacSystemFont,sans-serif)}
.eng-local img{width:118px;height:auto;display:block}
.eng-local nav{display:flex;gap:26px;font-size:12px;color:var(--e-ink)}
.eng-local nav a:hover{color:var(--e-link)}
.eng-local .name{font-size:13px;font-weight:600;letter-spacing:-.02em}

/* hero */
.eng-hero{text-align:center;padding-top:76px;padding-bottom:40px}
.eng-hero .kicker{font-size:19px;color:var(--e-ink);letter-spacing:-.02em;margin-bottom:22px}
.eng-hero h1{font-size:clamp(52px,7.6vw,104px);font-weight:680;line-height:.96;letter-spacing:-.062em;margin:0 auto 26px;max-width:1160px}
.eng-hero .deck{font-size:23px;line-height:1.4;letter-spacing:-.025em;color:var(--e-grey);max-width:720px;margin:0 auto 26px}
.eng-hero .ctas{display:flex;gap:28px;justify-content:center;flex-wrap:wrap}
.eng-hero figure{margin:44px auto 0;max-width:1100px}
.eng-hero figure img{width:100%}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:34px 0 0;padding:0;list-style:none}
.chips li{background:var(--e-soft);border-radius:999px;padding:9px 16px;font-size:13px;color:var(--e-ink)}
.chips b{font-weight:650}

/* notice panel */
.not-for-sale{background:var(--e-soft);border-radius:28px;padding:34px 40px;display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;margin-top:10px}
.not-for-sale .badge{width:58px;height:58px;border-radius:50%;background:var(--e-ink);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:650;letter-spacing:.02em}
.not-for-sale h2{font-size:26px;letter-spacing:-.03em;margin:0 0 6px}
.not-for-sale p{margin:0;color:var(--e-grey);font-size:16px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:54px 0 0;padding:0;list-style:none}
.stats li{border-top:1px solid var(--e-line);padding-top:20px}
.stats b{display:block;font-size:clamp(40px,4.6vw,60px);font-weight:650;letter-spacing:-.05em;line-height:1}
.stats b small{font-size:.45em;letter-spacing:-.02em;font-weight:600;margin-left:3px}
.stats span{display:block;margin-top:10px;font-size:15px;line-height:1.45;color:var(--e-grey)}
.dark .stats li{border-color:#ffffff26}
.dark .stats span{color:var(--e-dark-grey)}

/* need cards */
.need-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.need-grid article{background:#fff;border-radius:24px;padding:28px 26px}
.need-grid .n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--e-ink);color:#fff;font-size:12px;font-weight:650;margin-bottom:22px}
.need-grid h3{font-size:21px}
.need-grid p{font-size:15px;color:var(--e-grey);margin:0}

/* product tiles */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px}
.tile{position:relative;display:flex;flex-direction:column;background:var(--e-soft);border-radius:28px;overflow:hidden;padding:34px 34px 30px;min-height:520px}
.tile .over{font-size:11px;font-weight:650;letter-spacing:.09em;color:var(--e-grey)}
.tile h3{font-size:28px;letter-spacing:-.045em;margin:10px 0 8px}
.tile p{font-size:16px;color:var(--e-grey);margin:0 0 14px;max-width:420px}
.tile .v{display:inline-block;background:var(--e-ink);color:#fff;font-size:12px;font-weight:650;border-radius:999px;padding:5px 11px;margin-left:8px;vertical-align:5px;letter-spacing:0}
.tile .img{flex:1;display:flex;align-items:center;justify-content:center;margin-top:10px}
.tile .img img{width:100%;height:auto;max-height:300px;object-fit:contain;transition:transform .5s ease}
.tile:hover .img img{transform:scale(1.03)}
.tile .more{color:var(--e-link);font-size:16px;margin-top:8px}

/* timeline */
.timeline-head{display:flex;justify-content:space-between;align-items:end;gap:30px}
.timeline-head .lead{margin-bottom:0}
.tl-controls{display:flex;gap:10px;flex:0 0 auto}
.tl-controls button{width:44px;height:44px;border-radius:50%;border:0;background:#e8e8ed;color:var(--e-ink);font-size:20px;cursor:pointer;display:grid;place-items:center}
.tl-controls button:hover{background:#dcdce1}
.tl-controls button[disabled]{opacity:.35;cursor:default}
.track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:36px max(40px,calc((100vw - 1100px)/2)) 30px;scrollbar-width:thin;scroll-padding-left:max(40px,calc((100vw - 1100px)/2))}
.track::-webkit-scrollbar{height:6px}.track::-webkit-scrollbar-thumb{background:#c7c7cc;border-radius:3px}
.vcard{flex:0 0 min(80vw,390px);scroll-snap-align:start;background:#fff;border-radius:26px;overflow:hidden;display:flex;flex-direction:column}
.band-soft .vcard{background:#fff}
.vcard .pic{aspect-ratio:4/3;background:var(--e-soft);display:flex;align-items:center;justify-content:center;overflow:hidden}
.vcard .pic img{width:100%;height:100%;object-fit:contain}
.vcard .pic.darkpic{background:#151618}
.vcard .pic.whitepic{background:#fff}
.vcard .body{padding:22px 26px 28px}
.vcard .ver{font-size:12px;font-weight:650;letter-spacing:.06em;color:var(--e-grey)}
.vcard h3{font-size:22px;margin:8px 0 8px}
.vcard p{font-size:15px;color:var(--e-grey);margin:0}
.vcard .delta{display:block;margin-top:12px;font-size:13px;color:var(--e-ink);font-weight:600}
.vcard.final{outline:2px solid var(--e-ink);outline-offset:-2px}

/* dark stress report */
.dark{background:var(--e-dark);color:#f5f5f7}
.dark .kicker{color:var(--e-dark-grey)}
.dark h2 span{color:#6e6e73}
.dark .lead{color:var(--e-dark-grey)}
.dark .lead strong,.dark p strong{color:#f5f5f7}
.dark .caption{color:#8e8e93}
.dark .text-link{color:var(--e-blue)}
.panel{background:var(--e-dark-2);border-radius:28px;padding:34px 36px}
.panel h3{font-size:22px}
.panel p{color:var(--e-dark-grey);font-size:15px}
.fea-figure{margin:50px 0 0;background:#101012;border-radius:28px;padding:30px 30px 24px}
.fea-figure img{width:100%}
.method{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:22px}
.method .panel p{margin:0}
.num{font-size:clamp(34px,3.6vw,46px);font-weight:650;letter-spacing:-.05em;line-height:1;display:block;margin-bottom:12px}
.num small{font-size:.5em;font-weight:600;letter-spacing:-.02em;margin-left:2px}
.results{display:grid;grid-template-columns:1.25fr 1fr;gap:18px;margin-top:18px}
.eng table{width:100%;border-collapse:collapse;font-size:15px}
.eng th,.eng td{text-align:left;padding:13px 10px 13px 0;border-bottom:1px solid var(--e-line);vertical-align:top}
.eng th{font-size:12px;font-weight:600;color:var(--e-grey);letter-spacing:.02em}
.eng td.r,.eng th.r{text-align:right;padding-right:0;padding-left:10px;font-variant-numeric:tabular-nums}
.dark th,.dark td{border-color:#ffffff1f}
.dark th{color:#8e8e93}
.dark td{color:#e8e8ed}
.eng tr.hl td{font-weight:650}
.charts{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.chart svg{width:100%;height:auto;display:block}
.chart h3{margin-bottom:4px}
.chart p{margin:0 0 16px}
.checks{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;padding:0;list-style:none}
.checks li{font-size:13px;border:1px solid #ffffff2e;border-radius:999px;padding:7px 13px;color:#e8e8ed}
.checks li::before{content:"✓";color:#30d158;margin-right:7px;font-weight:700}
.passed{display:inline-block;margin-top:18px;font:600 13px/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:#30d158;letter-spacing:.04em}
.limits{margin-top:18px}
.limits ul{margin:0;padding-left:18px;color:var(--e-dark-grey);font-size:15px;line-height:1.65}
.early{display:grid;grid-template-columns:1fr 1.1fr;gap:30px;align-items:center;margin-top:18px}
.early img{border-radius:18px;background:#fff}

/* details gallery */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;margin-top:46px}
.gallery figure{margin:0;background:var(--e-soft);border-radius:24px;overflow:hidden;display:flex;flex-direction:column}
.gallery figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.gallery figure.contain img{object-fit:contain;background:#fff}
.gallery figcaption{padding:16px 22px 20px;font-size:14px;color:var(--e-grey);line-height:1.5}
.gallery figcaption b{display:block;color:var(--e-ink);font-size:16px;margin-bottom:2px}
.g-3{grid-column:span 3}.g-2{grid-column:span 2}.g-4{grid-column:span 4}.g-6{grid-column:span 6}

/* chapters: anchor, case, radar */
.chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:46px}
.pane{background:var(--e-soft);border-radius:28px;padding:30px;display:flex;flex-direction:column}
.band-soft .pane{background:#fff}
.pane .pic{display:flex;align-items:center;justify-content:center;min-height:320px}
.pane .pic img{width:100%;height:auto;max-height:380px;object-fit:contain}
.pane .tag{font-size:12px;font-weight:650;letter-spacing:.06em;color:var(--e-grey)}
.pane h3{margin-top:8px}
.pane p{color:var(--e-grey);font-size:15px;margin:0}
.pane.wide{grid-column:span 2}
.pane.wide .pic img{max-height:none;width:100%}
.compare-table{margin-top:22px}
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:44px}
.feature-row p{font-size:15px;color:var(--e-grey);margin:0}
.feature-row strong{display:block;color:var(--e-ink);font-size:17px;margin-bottom:6px}
.plain{background:var(--e-soft);border-radius:22px;padding:24px 28px;margin-top:22px}
.band-soft .plain{background:#fff}
.plain h3{font-size:18px;margin-bottom:8px}
.plain ul{margin:0;padding-left:18px;color:var(--e-grey);font-size:15px;line-height:1.65}

/* loaded bike */
.figure-card{margin:46px 0 0;background:#fff;border-radius:28px;padding:26px 26px 20px}
.figure-card img{width:100%}

/* workflow */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:46px 0 0;padding:0;list-style:none;counter-reset:s}
.steps li{background:var(--e-soft);border-radius:24px;padding:28px;counter-increment:s;display:flex;flex-direction:column}
.steps li::before{content:counter(s,decimal-leading-zero);font-size:13px;font-weight:650;color:var(--e-grey);letter-spacing:.06em;margin-bottom:18px}
.steps h3{font-size:21px}
.steps p{font-size:15px;color:var(--e-grey);margin:0}
.steps img{margin-top:18px;border-radius:14px;background:var(--e-soft)}
.who{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.who article{background:var(--e-soft);border-radius:24px;padding:28px}
.who p{font-size:15px;color:var(--e-grey);margin:0}
.band-soft .steps li,.band-soft .who article{background:#fff}

/* final versions */
.final-table{margin-top:40px;overflow-x:auto}
.final-table table{min-width:760px}
.final-table td:first-child{font-weight:600}
.vpill{display:inline-block;background:var(--e-ink);color:#fff;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:650}

/* status */
.status{text-align:center;padding-top:90px;padding-bottom:100px}
.status h2{font-size:clamp(34px,4.2vw,50px)}
.status .kicker{text-align:center}
.status p{max-width:680px;margin:0 auto 18px;color:var(--e-grey);font-size:17px}
.status .ctas{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-top:26px}

/* motion: only elements that start below the fold are hidden, and only when JS runs */
.eng .pre{opacity:0;transform:translateY(28px)}
.eng .reveal{transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
@media (prefers-reduced-motion:reduce){.eng .pre{opacity:1;transform:none}.eng .reveal,.tile .img img{transition:none}.track{scroll-behavior:auto}}

@media (max-width:1000px){
  .need-grid{grid-template-columns:1fr 1fr}
  .tiles{grid-template-columns:1fr 1fr}
  .method{grid-template-columns:1fr}
  .results,.charts,.early{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .g-2,.g-3,.g-4,.g-6{grid-column:span 1}
  .gallery .g-6{grid-column:span 2}
}
@media (max-width:760px){
  .eng .wrap{padding-left:22px;padding-right:22px}
  .eng .band{padding-top:78px;padding-bottom:78px}
  .eng-local{padding:14px 22px;gap:14px}
  .eng-local nav{gap:14px;font-size:11px}
  .eng-local .name{display:none}
  .eng-local img{width:100px}
  .eng-hero{padding-top:54px}
  .eng-hero .kicker{font-size:17px}
  .eng-hero .deck{font-size:19px}
  .eng .lead{font-size:18px}
  .not-for-sale{grid-template-columns:1fr;padding:28px;gap:16px}
  .stats{grid-template-columns:1fr 1fr;gap:26px 18px}
  .need-grid{grid-template-columns:1fr}
  .tiles{grid-template-columns:1fr}
  .tile{min-height:0;padding:28px 26px}
  .tile h3{font-size:28px}
  .timeline-head{display:block}
  .tl-controls{margin-top:20px}
  .track{padding-left:22px;padding-right:22px;scroll-padding-left:22px}
  .panel{padding:26px}
  .fea-figure{padding:18px}
  .gallery{grid-template-columns:1fr}
  .gallery .g-6{grid-column:span 1}
  .chapter-grid{grid-template-columns:1fr}
  .pane.wide{grid-column:span 1}
  .pane .pic{min-height:0}
  .pane .pic img{max-height:300px}
  .feature-row{grid-template-columns:1fr;gap:20px}
  .steps,.who{grid-template-columns:1fr}
}
@media (max-width:440px){
  .eng-local nav a:nth-child(n+4){display:none}
  .stats b{font-size:40px}
}