.chp-problem{background:var(--chp-bg,#070d17);color:#fff;overflow:hidden;padding:var(--chp-pad-top,120px) 0 var(--chp-pad-bottom,120px);position:relative}.chp-problem *{box-sizing:border-box}.chp-problem .chp-wrap{align-items:start;display:grid;gap:80px;grid-template-columns:.92fr 1.08fr;margin:0 auto;max-width:1280px;padding:0 36px}.chp-problem .chp-left{position:sticky;top:120px}.chp-problem .chp-eyebrow{align-items:center;display:flex;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;font-weight:700;gap:12px;letter-spacing:.12em;text-transform:uppercase}.chp-problem .chp-num{color:var(--chp-num,#4b8cbf)}.chp-problem .chp-divider{background:rgba(var(--chp-num-rgb,75,140,191),.6);height:1px;width:26px}.chp-problem .chp-label{color:var(--chp-label,#f04c86)}.chp-problem .chp-h2{font-size:clamp(34px,3.8vw,var(--chp-h-size,56px));font-weight:900;letter-spacing:-.03em;line-height:1.04;margin:22px 0 0}.chp-problem .chp-line-mask{display:block;overflow:hidden}.chp-problem .chp-line{color:var(--chp-heading,#fff);display:block}.chp-problem .chp-line--2{color:transparent;-webkit-text-stroke:1.2px var(--chp-outline,hsla(0,0%,100%,.75))}.chp-problem .chp-intro{color:var(--chp-body,hsla(0,0%,100%,.62));font-size:16px;margin:22px 0 0;max-width:440px}.chp-problem .chp-intro p{margin:0}.chp-problem .chp-right{display:flex;flex-direction:column;gap:16px}.chp-problem .chp-card{border-radius:10px}.chp-problem .chp-card--subtle{background:hsla(0,0%,100%,.04);border:1px solid hsla(0,0%,100%,.09);padding:30px 34px}.chp-problem .chp-card--accent{background:linear-gradient(135deg,rgba(var(--chp-accent-rgb,209,3,90),.16),rgba(var(--chp-accent-rgb,209,3,90),.04));border:1px solid rgba(var(--chp-accent-rgb,209,3,90),.35);padding:32px 34px}.chp-problem .chp-card-text{color:var(--chp-card-text,hsla(0,0%,100%,.85));font-size:16px}.chp-problem .chp-card-text p{margin:0}.chp-problem .chp-card-text strong{color:#fff}.chp-problem .chp-rv{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1)}.chp-problem .chp-rv.is-in{opacity:1;transform:none}.chp-problem .chp-intro.chp-rv{transition-delay:.2s}.chp-problem .chp-line{transform:translateY(100%);transition:transform .9s cubic-bezier(.22,1,.36,1)}.chp-problem .chp-line.is-in{transform:translateY(0)}.chp-problem .chp-line--2{transition-delay:.12s}.chp-card:hover{background:rgba(209,3,90,.09)!important;border-color:rgba(209,3,90,.4)!important}@media (max-width:900px){.chp-problem .chp-wrap{gap:40px;grid-template-columns:1fr}.chp-problem .chp-left{position:static;top:auto}}@media (max-width:560px){.chp-problem .chp-wrap{padding-left:22px;padding-right:22px}.chp-problem .chp-card--accent,.chp-problem .chp-card--subtle{padding:24px 22px}}@media (prefers-reduced-motion:reduce){.chp-problem .chp-line,.chp-problem .chp-rv{opacity:1;transform:none;transition:none}}