/* L3 Split — fixed sidebar, sticky image story, crisp grotesk */
.l3{--br:10px;--ir:14px;--fr:10px}
.l3-shell{display:grid;grid-template-columns:300px 1fr;min-height:100vh}
.l3-side{position:sticky;top:0;height:100vh;border-right:1px solid var(--line);background:var(--surf);z-index:60}
.l3-sin{display:flex;flex-direction:column;height:100%;padding:36px 30px;position:relative}
.l3-logo{text-decoration:none;display:flex;flex-direction:column;gap:4px;min-height:44px}
.l3-logo b{font:700 22px/1.15 var(--hf);letter-spacing:-.02em}
.l3-logo span{font-size:14px;color:var(--mute)}
.l3-nav{display:flex;flex-direction:column;margin-top:56px}
.l3-nav a{text-decoration:none;display:flex;gap:14px;align-items:baseline;padding:10px 0;font:500 18px/1.2 var(--hf);min-height:44px;border-bottom:1px solid var(--line);transition:padding .3s cubic-bezier(.2,.8,.2,1),color .2s}
.l3-nav a:hover{padding-left:8px;color:var(--acct)}
.l3-nav i{font:400 12px/1 var(--bf);font-style:normal;color:var(--mute)}
.l3-sfoot{margin-top:auto}
.l3-sfoot .btn{width:100%}
.l3-sfoot p{font-size:14px;color:var(--mute);margin:16px 0 0}
.l3-sfoot p a{display:inline-flex;min-height:28px;align-items:center}
.l3-prog{position:absolute;right:-1px;top:0;bottom:0;width:3px}
.l3-prog i{display:block;height:100%;background:var(--acc);transform:scaleY(0);transform-origin:top}
.l3-main{min-width:0}
.l3-main>section{padding-inline:clamp(20px,5vw,80px)}
.l3-hero{padding-top:clamp(56px,10vw,120px);padding-bottom:clamp(48px,8vw,100px)}
.l3-tag{display:inline-flex;align-items:center;gap:10px;font-size:14px;border:1px solid var(--line);border-radius:999px;padding:8px 14px;margin:0 0 28px}
.l3-tag span{width:8px;height:8px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px color-mix(in srgb,var(--acc) 22%,transparent)}
.l3-hero h1{font-size:clamp(44px,7vw,100px);letter-spacing:-.045em;line-height:.98;font-weight:600;max-width:12ch}
.l3-sub{font-size:clamp(18px,1.8vw,21px);color:var(--mute);max-width:40em;margin:24px 0 0}
.l3-imgs{display:grid;grid-template-columns:1.6fr 1fr;gap:16px;margin-top:56px;align-items:end}
.l3-imgs div{border-radius:14px;overflow:hidden}
.l3-imgs .a{aspect-ratio:4/3}.l3-imgs .b{aspect-ratio:3/4;margin-bottom:-40px}
.l3-imgs img{width:100%;height:100%;object-fit:cover}
.l3-sec{padding-top:clamp(72px,10vw,130px);padding-bottom:clamp(72px,10vw,130px);border-top:1px solid var(--line)}
.l3-h2{font-size:clamp(14px,1.2vw,15px);letter-spacing:.14em;text-transform:uppercase;font-family:var(--bf);font-weight:600;color:var(--acct);margin-bottom:36px}
.l3-h3{font-size:22px;margin:48px 0 16px}
.l3-two{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(24px,5vw,72px)}
.l3-lead{font:500 clamp(24px,2.8vw,36px)/1.25 var(--hf);letter-spacing:-.02em;margin:0}
.l3-facts{display:grid;gap:0;margin:24px 0 28px}
.l3-facts div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.l3-facts dt{color:var(--mute)}.l3-facts dd{margin:0;font-weight:600;text-align:right}
@media (max-width:1000px){.l3-two{grid-template-columns:minmax(0,1fr)}}
.l3-st{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px)}
.l3-step{min-height:62vh;display:flex;flex-direction:column;justify-content:center;opacity:.45;transition:opacity .5s}
.l3-step.on{opacity:1}
.l3-step span{font-size:13px;color:var(--mute)}
.l3-step h3{font-size:clamp(30px,3.6vw,48px);letter-spacing:-.03em;margin:10px 0 12px;font-weight:600}
.l3-step p{font-size:19px;color:var(--mute);max-width:30ch;margin:0}
.l3-stick{position:relative}
.l3-frame{position:sticky;top:15vh;aspect-ratio:4/5;border-radius:14px;overflow:hidden;background:var(--surf)}
.l3-si{position:absolute;inset:0;opacity:0;transition:opacity .7s,transform 1.2s cubic-bezier(.2,.8,.2,1);transform:scale(1.06)}
.l3-si.on{opacity:1;transform:none}
.l3-si img{width:100%;height:100%;object-fit:cover}
html:not(.gs) .l3-step{opacity:1;min-height:0;padding:24px 0}
@media (max-width:860px){.l3-st{grid-template-columns:minmax(0,1fr)}.l3-stick{display:none}.l3-step{min-height:0;opacity:1;padding:20px 0;border-bottom:1px solid var(--line)}}
.l3-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px 28px}
.l3-w{text-decoration:none;display:block}
.l3-w .im{aspect-ratio:4/3;border-radius:14px;overflow:hidden;margin-bottom:18px}
.l3-w img{width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.8,.2,1)}
.l3-w:hover img{transform:scale(1.05)}
.l3-w span{font-size:13px;color:var(--mute)}
.l3-w h3{font-size:clamp(24px,2.4vw,32px);letter-spacing:-.02em;margin:6px 0 6px;font-weight:600}
.l3-w p{margin:0;color:var(--mute)}
@media (max-width:760px){.l3-grid{grid-template-columns:minmax(0,1fr)}}
.l3-x{border-top:1px solid var(--line)}
.l3-x .wrap{width:auto;margin:0}
.l3-x h2{font-weight:600;letter-spacing:-.03em}
.l3-quotes figure{border:1px solid var(--line);border-radius:14px;padding:28px}
.l3-quotes blockquote{font-weight:500}
.l3-foot{padding-inline:clamp(20px,5vw,80px)}
.l3-foot .wrap{width:auto;margin:0}
@media (max-width:860px){
 .l3-shell{grid-template-columns:minmax(0,1fr)}
 .l3-side{height:auto;position:sticky;top:0;border-right:0;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:6px 12px 6px 20px}
 .l3-sin{padding:0;flex-direction:row;align-items:center;height:auto}
 .l3-logo{flex-direction:row;align-items:center;gap:10px}.l3-logo b{font-size:18px}.l3-logo span{display:none}
 .l3-nav,.l3-sfoot,.l3-prog{display:none}
 .l3-imgs .b{margin-bottom:0}
}