.sec{position:relative;overflow:clip;isolation:isolate;padding:72px clamp(16px,4vw,56px);border-top:1px solid var(--line)}.sec-label{margin:0;color:var(--ink-muted);font:400 12px/1.4 var(--font-mono);letter-spacing:.18em;text-transform:uppercase}.sec-title{margin:16px 0 0;color:var(--ink);font-family:var(--font-display);font-size:clamp(2.5rem,6vw,5.5rem);font-weight:900;line-height:.95;letter-spacing:-.02em}.sec-title-italic{color:var(--gold);font-style:italic}.sec-lede{max-width:52ch;margin:20px 0 0;color:var(--ink-muted);font:400 18px/1.55 var(--font-body)}.skeleton-line{display:block;border-radius:2px;background:linear-gradient(90deg,var(--line) 0%,rgba(246,239,230,.24) 50%,var(--line) 100%);background-size:200% 100%;animation:sections-shimmer 1.4s linear infinite}@keyframes sections-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.gold-link{position:relative;color:var(--gold)}.gold-link:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left center;transition:transform .25s ease-out}.gold-link:hover:after,.gold-link:focus-visible:after{transform:scaleX(1)}.how-strip{display:grid;grid-template-columns:minmax(0,1fr);gap:24px;margin-top:40px}.how-frame{position:relative;display:flex;flex-direction:column;min-width:0;padding:40px 24px;background:var(--bg-raised);border:1px solid var(--line);border-radius:8px}.how-frame:before,.how-frame:after{content:"";position:absolute;left:0;right:0;height:14px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='14'%3E%3Crect width='10' height='14' rx='2' fill='%23f6efe6' fill-opacity='0.08'/%3E%3C/svg%3E");background-repeat:repeat-x;background-position:center top;pointer-events:none}.how-frame:before{top:12px}.how-frame:after{bottom:12px}.how-number{margin:0;color:transparent;font-family:var(--font-display);font-size:80px;font-weight:900;line-height:.8;-webkit-text-stroke:1.5px var(--gold)}.how-label{margin-top:24px}.how-heading{margin:12px 0 0;color:var(--ink);font-family:var(--font-display);font-size:30px;font-weight:600;line-height:1.05}.how-body{max-width:36ch;margin:14px 0 0;color:var(--ink-muted);font:400 16px/1.55 var(--font-body)}.how-math{margin-top:auto;padding-top:24px;color:var(--ink);font:400 13px/1.6 var(--font-mono)}.how-math b{color:var(--gold);font-weight:500}@media(min-width:768px){.how-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1280px){.how-strip{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(prefers-reduced-motion:reduce){.skeleton-line{animation:none}}