.drv-head{background:var(--white);border-bottom:1px solid var(--border);padding:clamp(28px,5vw,48px) 24px;position:relative;overflow:hidden}.drv-head:before{content:"";background:var(--blue-pale);opacity:.5;clip-path:polygon(28% 0,100% 0,100% 100%,0 100%);pointer-events:none;width:46%;position:absolute;inset:0 0 0 auto}.drv-head-inner{max-width:1120px;margin:0 auto;position:relative}.drv-eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--blue);font-size:.68rem;font-weight:700}.drv-head h1{color:var(--text-dark);letter-spacing:-.01em;text-wrap:balance;margin:8px 0 0;font-family:Inter,sans-serif;font-size:clamp(1.7rem,4vw,2.5rem);font-weight:300;line-height:1.2}.drv-head-sub{max-width:60ch;color:var(--text);margin:12px 0 0;font-size:1rem;line-height:1.6}.drv-chips{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.drv-chip{color:var(--text-dark);background:var(--white);border:1px solid var(--border);border-radius:999px;align-items:center;gap:6px;padding:6px 13px;font-size:.76rem;font-weight:600;display:inline-flex}.drv-chip svg{width:14px;height:14px;color:var(--blue)}.drv-updated{color:var(--text-muted,#9a9a9a);align-items:center;gap:6px;margin:16px 0 0;font-size:.78rem;display:flex}.drv-updated svg{flex:none;width:14px;height:14px}.drv-updated time{color:var(--text-dark);font-weight:600}.drv-updated a{color:var(--blue);font-weight:600}.drv-wrap{grid-template-columns:244px minmax(0,1fr);align-items:start;gap:clamp(24px,4vw,56px);max-width:1120px;margin:0 auto;padding:0 24px;display:grid}.drv-side{top:calc(var(--nav-h) + 22px);padding:26px 0;position:sticky}.drv-side-label{letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted,#9a9a9a);margin-bottom:10px;padding:0 12px;font-size:.64rem;font-weight:700}.drv-side-nav{border-left:1px solid var(--border);margin:0;padding:0;list-style:none}.drv-side-nav>li>a{color:var(--text);border-left:2px solid #0000;align-items:center;gap:10px;margin-left:-1px;padding:8px 12px;font-size:.88rem;font-weight:600;text-decoration:none;transition:color .15s,border-color .15s;display:flex}.drv-side-num{background:var(--blue-light,#f0f7ff);width:22px;height:22px;color:var(--blue);font-variant-numeric:tabular-nums;border-radius:6px;flex:none;place-items:center;font-size:.72rem;font-weight:700;display:grid}.drv-side-nav>li>a:hover{color:var(--text-dark)}.drv-side-nav>li>a.is-active{color:var(--blue);border-left-color:var(--blue)}.drv-side-nav>li>a.is-active .drv-side-num{background:var(--blue);color:#fff}.drv-side-sub{margin:0 0 4px;padding:2px 0 6px 22px;list-style:none}.drv-side-sub a{color:var(--text-muted,#9a9a9a);border-left:2px solid #0000;margin-left:-14px;padding:5px 0 5px 12px;font-size:.81rem;text-decoration:none;transition:color .15s,border-color .15s;display:block}.drv-side-sub a:hover{color:var(--text)}.drv-side-sub a.is-active{color:var(--blue);border-left-color:var(--blue)}.drv-side-cta{background:linear-gradient(160deg, var(--blue) 0%, var(--blue-dark,#0078cc) 100%);color:#fff;border-radius:12px;margin:22px 12px 0;padding:16px}.drv-side-cta h4{margin:0 0 4px;font-size:.92rem;font-weight:700}.drv-side-cta p{color:#ffffffdb;margin:0 0 12px;font-size:.78rem;line-height:1.45}.drv-side-cta a{color:var(--blue-dark,#0078cc);background:#fff;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;font-size:.78rem;font-weight:700;text-decoration:none;display:inline-flex}@media (max-width:860px){.drv-wrap{grid-template-columns:1fr}.drv-side{top:var(--nav-h);z-index:30;background:var(--white);border-bottom:1px solid var(--border);margin:0 -24px;padding:0;position:sticky}.drv-side-label,.drv-side-cta{display:none}.drv-side-nav{scrollbar-width:none;border-left:0;gap:4px;padding:8px 24px;display:flex;overflow-x:auto}.drv-side-nav::-webkit-scrollbar{display:none}.drv-side-nav>li>a{white-space:nowrap;border-bottom:2px solid #0000;border-left:0;border-radius:8px 8px 0 0;padding:8px 10px}.drv-side-nav>li>a.is-active{border-left-color:#0000;border-bottom-color:var(--blue)}.drv-side-sub{display:none}}.drv-content{counter-reset:drv-sec;min-width:0;padding:34px 0 60px}.drv-content .pk-h--2{position:relative}.drv-content .pk-h--2:before{counter-increment:drv-sec;content:"Section " counter(drv-sec);letter-spacing:.16em;text-transform:uppercase;color:var(--blue);margin-bottom:6px;font-size:.68rem;font-weight:700;display:block}.drv-content [id]{scroll-margin-top:calc(var(--nav-h) + 16px)}.driving-videos{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin:14px 0 22px;display:grid}.driving-video h4{color:var(--text-dark);margin:0 0 8px;font-size:.95rem;font-weight:600}.driving-video .frame{aspect-ratio:16/9;background:#0b1320;border-radius:10px;width:100%;position:relative;overflow:hidden}.driving-video .frame iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.drv-mobile-cta{display:none}@media (max-width:860px){.drv-mobile-cta{background:linear-gradient(160deg, var(--blue) 0%, var(--blue-dark,#0078cc) 100%);color:#fff;border-radius:12px;justify-content:space-between;align-items:center;gap:16px;margin-top:36px;padding:20px 22px;text-decoration:none;display:flex}.drv-mobile-cta h4{margin:0 0 3px;font-size:1rem;font-weight:700}.drv-mobile-cta p{color:#ffffffe0;margin:0;font-size:.82rem;line-height:1.4}.drv-mobile-cta .btn{color:var(--blue-dark,#0078cc);white-space:nowrap;background:#fff;border-radius:999px;flex:none;padding:10px 16px;font-size:.82rem;font-weight:700}}