/* 02 Benefits, v5 (handoff design_handoff_benefits_v5, light mode). A · the Analyst film you control; B · the four benefits
   beside the context-layer film. Both films are iframes under illustrations/bv5/, so their styles stay out of the page. */
.sec.aa{padding-top:clamp(96px,10vw,160px);padding-bottom:clamp(120px,12vw,200px);border-top:1px solid var(--hair)}
.sec.aa .sh{margin-bottom:clamp(96px,10vw,160px)}
.sec.aa .lede{margin-top:clamp(40px,4vw,64px);max-width:34em}
.aa-tag.fl{margin-left:12px;padding:6px 12px 5px;border-radius:999px;font:600 11px/1 var(--font-mono);letter-spacing:.14em;color:#18311e;background:linear-gradient(#fbf8f1,#fbf8f1) padding-box,linear-gradient(100deg,#ed8a6b,#b6b6e0 60%,#8fa286) border-box;border:1.5px solid transparent;box-shadow:none;vertical-align:.3em}
.an4-t{margin:0;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 10px;font:500 clamp(24px,2.2vw,32px)/1.15 var(--font-sans);letter-spacing:-.02em;color:var(--ink)}
.an4-t .aa-tag{margin-left:0}
.vbox{position:relative;width:100%;aspect-ratio:760/470;border-radius:16px;overflow:hidden;background:#f7f4ec;box-shadow:0 1px 0 rgba(24,49,30,.06),0 24px 48px -28px rgba(24,49,30,.35)}
.vbox iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* B · the four benefits */
.bn4-st{min-width:0}
.bn4{position:relative;height:420vh;margin-top:clamp(140px,14vw,220px)}
.bn4-pin{position:sticky;top:0;height:100vh;display:flex;align-items:center}
.bn4 .aa-grid{align-items:center}
.nx4{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:14px;font:500 10px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink3);opacity:0;transition:opacity .4s}
.nx4.on{opacity:1}.nx4 i{display:block;width:1px;height:14px;background:#de6a4b;animation:nx4 1.4s ease-in-out infinite}
@keyframes nx4{0%,100%{transform:translateY(-3px)}50%{transform:translateY(3px)}}
.aa-pg{display:block;height:2px;margin:0 0 18px;background:var(--hair);max-width:30em}.aa-pg i{display:block;height:100%;width:0;background:#de6a4b}
@media (max-width:1023px){.bn4{height:auto}.bn4-pin{position:relative;height:auto;padding:24px 0}.bn4 .aa-grid{grid-template-columns:minmax(0,1fr)}.bn4-st{order:-1;min-width:0}.nx4{display:none}}
@media (prefers-reduced-motion:reduce){.nx4 i{animation:none}}
/* A · the Analyst */
.an5{margin-top:clamp(160px,16vw,260px)}
.an5-h{display:flex;align-items:flex-end;justify-content:space-between;gap:24px 48px;flex-wrap:wrap;margin-bottom:28px}
.an5-h p{max-width:36em;margin:14px 0 0;font-size:17px;line-height:1.5;color:var(--ink2)}
.vp-box{border-radius:18px}
.vp-big{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border:0;border-radius:50%;background:rgba(24,49,30,.9);display:grid;place-items:center;cursor:pointer;box-shadow:0 12px 30px -12px rgba(24,49,30,.6);transition:opacity .3s,transform .3s;z-index:1}
.vp-big svg{width:30px;height:30px;fill:#fffdf8;margin-left:4px}.vp-big:hover{transform:scale(1.05)}
.vp.on .vp-big{opacity:0;pointer-events:none}
.vp-box::after{content:"";position:absolute;inset:0;cursor:pointer}
.vp-bar{display:flex;align-items:center;gap:14px;margin-top:14px}
.vp-pp{flex:none;width:30px;height:30px;border:0;border-radius:50%;background:none;display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.vp-pp svg{width:16px;height:16px;fill:currentColor}
.vp-tr{position:relative;flex:1;height:22px}
.vp-rail{position:absolute;left:0;right:0;top:10px;height:2px;border-radius:1px;background:rgba(24,49,30,.14)}
.vp-rail i{position:absolute;left:0;top:0;bottom:0;width:0;border-radius:1px;background:#18311e}
.vp-ticks span{position:absolute;top:8px;width:1px;height:6px;background:rgba(24,49,30,.3)}
.vp-tr input{position:absolute;inset:0;width:100%;margin:0;opacity:0;cursor:pointer}
.vp-tr::after{content:"";position:absolute;top:5px;left:var(--p,0%);width:12px;height:12px;margin-left:-6px;border-radius:50%;background:#18311e;box-shadow:0 0 0 4px rgba(24,49,30,.08);pointer-events:none;opacity:0;transition:opacity .2s}
.vp-tr:hover::after,.vp.on .vp-tr::after{opacity:1}
.vp-t{flex:none;font:500 11px/1 var(--font-mono);letter-spacing:.06em;color:var(--ink3);min-width:84px;text-align:right}
.vp-ch{position:relative;height:18px;margin:6px 98px 0 44px}
.vp-ch button{position:absolute;top:0;transform:translateX(-2px);padding:0;border:0;background:none;font:500 10px/1 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink3);cursor:pointer;white-space:nowrap}
.vp-ch button.on,.vp-ch button:hover{color:var(--ink)}
@media (max-width:767px){.vp-ch{display:none}}
/* the whole player (film + scrub bar + chapters) fits one screen under the nav: its width follows the viewport height */
.vp{width:min(100%,calc((100vh - 64px - 68px - 56px) * 760 / 470));margin-inline:auto;scroll-margin-top:92px}
@supports (height:100svh){.vp{width:min(100%,calc((100svh - 64px - 68px - 56px) * 760 / 470))}}