/* Hyper Bee gearbox oil guide — on the shared Electric Moto Garage design system (dark, gold accent). */
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*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:120px}body{margin:0;min-width:320px;background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:inherit;text-underline-offset:3px}
.crumbs{max-width:1160px;margin:0 auto;padding:18px 20px 0;font-size:13px;color:var(--muted)}.crumbs a{color:var(--muted)}
.hero{position:relative;max-width:1160px;margin:0 auto;padding:clamp(40px,6vw,84px) 20px clamp(48px,7vw,90px);display:grid;grid-template-columns:1fr minmax(290px,420px);gap:clamp(28px,6vw,72px);align-items:end}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font:800 11.5px/1.4 ui-monospace,"SF Mono",Menlo,Consolas,monospace;color:var(--acid);margin:0 0 14px}
.hero h1{font-size:clamp(46px,7.4vw,96px);line-height:.95;letter-spacing:-.05em;margin:0;font-weight:850}
.hero h1 span{color:var(--acid)}
.lede{max-width:680px;color:var(--soft);font-size:clamp(17px,2vw,20px);line-height:1.6}
.lede strong{color:#fff}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-actions a,.cta>a{display:inline-flex;align-items:center;min-height:50px;background:var(--acid);color:#111826;text-decoration:none;font-weight:800;padding:0 22px;border-radius:999px}
.hero-actions .secondary{background:transparent;color:#fff;border:1px solid var(--line2)}
.hero-actions a:hover,.cta>a:hover{filter:brightness(1.08)}
.hero aside{border:1px solid var(--line);border-radius:22px;padding:26px;background:linear-gradient(180deg,var(--card2),var(--card))}
.hero aside>span{font:800 11px/1 ui-monospace,Menlo,monospace;letter-spacing:.14em;color:var(--acid)}
.hero dl{margin:18px 0}.hero dl div{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--line)}
.hero dt{color:var(--muted)}.hero dd{margin:0;font-weight:800}
.hero aside p{font-size:13px;line-height:1.55;color:var(--muted);margin:0}
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.evidence{display:grid;grid-template-columns:1fr .85fr;gap:clamp(28px,6vw,72px);align-items:center}
.evidence figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.evidence img{width:100%;height:auto;display:block}
.evidence figcaption{padding:12px 16px;font-size:12.5px;color:#4b5563;background:#f3f4f6}
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.evidence p,.explain p,.procedure p,.faq p{line-height:1.65;color:var(--soft)}
.explain header{max-width:820px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.cards article{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:18px;padding:26px}
.cards h3{margin:0 0 6px;font-size:20px;letter-spacing:-.02em}.cards p{font-size:15px;color:var(--muted)}
.procedure{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,6vw,72px)}
.procedure ol{list-style:none;margin:0;padding:0}
.procedure li{display:grid;grid-template-columns:50px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.procedure li>span{display:grid;place-items:center;width:42px;height:42px;background:var(--acid);color:#111826;border-radius:13px;font:900 15px/1 ui-monospace,Menlo,monospace}
.procedure h3{margin:4px 0 6px;font-size:19px}.procedure li p{margin:0;font-size:15px}
.shop-note{grid-column:2;padding:20px 22px;background:rgba(245,197,66,.07);border:1px solid rgba(245,197,66,.3);border-radius:16px}
.shop-note p{margin:6px 0 0}
.levels{max-width:1160px;margin:0 auto;padding:0 20px clamp(60px,8vw,104px);display:grid;grid-template-columns:1fr 1fr;gap:16px}
.levels article{padding:28px;background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);color:#fff;border-radius:18px}
.levels span{color:var(--acid);font:800 11px/1 ui-monospace,Menlo,monospace;letter-spacing:.14em}
.levels h2{margin:10px 0;font-size:26px;letter-spacing:-.025em}.levels p{color:var(--muted);line-height:1.6}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 22px;margin:10px 0}
.faq summary{font-weight:700;cursor:pointer}.faq details p{margin-bottom:0}
.cta{max-width:1160px;margin:0 auto 20px;border:1px solid var(--line);border-radius:26px;background:radial-gradient(600px 220px at 85% 0,rgba(245,197,66,.1),transparent 70%),var(--dark);color:#fff;padding:clamp(28px,5vw,52px);display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta p{color:var(--soft);line-height:1.6;max-width:720px}.cta h2{margin-bottom:10px}.cta>a{white-space:nowrap}
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