.opf-section{position:relative;padding:clamp(4rem,7vw,6.5rem) 0;background:var(--bg-page)}.opf-section--alt{background:linear-gradient(180deg,color-mix(in oklab,var(--bg-elevated) 55%,var(--bg-page)) 0%,var(--bg-elevated) 100%)}.opf-section h2{font-family:var(--font-display);font-weight:800;font-size:clamp(1.7rem,1.2rem + 1.6vw,2.45rem);line-height:1.15;letter-spacing:-.02em;color:var(--text-primary);text-wrap:balance}.opf-kicker{display:inline-flex;align-items:center;gap:.65rem;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:color-mix(in oklab,var(--text-primary) 50%,var(--accent))}.opf-kicker-line{display:inline-block;width:1.5rem;height:1px;background:color-mix(in oklab,var(--accent) 55%,var(--text-primary))}.opf-section-lead{font-size:clamp(1rem,.97rem + .18vw,1.1rem);line-height:1.65;color:color-mix(in oklab,var(--text-primary) 76%,var(--text-muted));max-width:60ch}.opf-hero{background:linear-gradient(180deg,var(--bg-page) 0%,var(--bg-elevated) 100%)}.opf-eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:color-mix(in oklab,var(--text-primary) 55%,var(--accent));padding:.4rem .8rem;border-radius:999px;background:color-mix(in oklab,var(--accent) 9%,transparent);border:1px solid color-mix(in oklab,var(--accent) 22%,transparent)}.opf-eyebrow-dot{width:.45rem;height:.45rem;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in oklab,var(--accent) 20%,transparent)}.opf-h1{font-family:var(--font-display);font-weight:800;font-size:clamp(2.2rem,1.4rem + 3.2vw,3.55rem);line-height:1.05;letter-spacing:-.025em;color:var(--text-primary);text-wrap:balance;padding-block:.1em}.opf-lead{font-size:clamp(1.05rem,1rem + .3vw,1.18rem);line-height:1.6;color:color-mix(in oklab,var(--text-primary) 80%,var(--text-muted));max-width:42rem}.opf-stack{position:relative}.opf-stack-svg{width:100%;height:auto;max-width:30rem;margin-inline:auto;display:block}.opf-svg-bar-bg{fill:none;stroke:color-mix(in oklab,var(--text-primary) 14%,transparent);stroke-width:1}.opf-svg-seg--inter{fill:color-mix(in oklab,var(--accent) 60%,var(--text-primary))}.opf-svg-seg--scheme{fill:color-mix(in oklab,var(--accent) 40%,var(--text-primary))}.opf-svg-seg--acq{fill:color-mix(in oklab,var(--accent) 25%,var(--bg-elevated))}.opf-svg-seg--plat{fill:color-mix(in oklab,var(--accent-alt) 70%,var(--text-primary))}.opf-svg-labels line{stroke:color-mix(in oklab,var(--text-primary) 30%,transparent);stroke-width:1}.opf-svg-lk{font-family:var(--font-display);font-weight:700;font-size:12px;fill:var(--text-primary)}.opf-svg-lp{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:10px;fill:color-mix(in oklab,var(--text-primary) 65%,var(--accent));letter-spacing:.06em}.opf-svg-total text{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:9px;fill:color-mix(in oklab,var(--text-primary) 55%,var(--accent));letter-spacing:.12em;text-transform:uppercase;font-weight:700}.opf-stack-cap{margin-top:1rem;display:inline-flex;align-items:center;gap:.55rem;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:color-mix(in oklab,var(--text-primary) 65%,var(--text-muted))}.opf-stack-dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--accent)}.opf-layers{list-style:none;margin:0;padding:0;display:grid;gap:.85rem}.opf-layer{display:grid;grid-template-columns:.85rem 1fr;gap:1.1rem;padding:1.45rem 1.6rem;background:var(--bg-elevated);border-radius:calc(var(--radius) * 1.6);border:1px solid color-mix(in oklab,var(--text-primary) 10%,transparent)}.opf-layer-bar{border-radius:4px;align-self:stretch;background:color-mix(in oklab,var(--accent) 60%,var(--text-primary))}.opf-layer--0 .opf-layer-bar{background:color-mix(in oklab,var(--accent-alt) 70%,var(--text-primary))}.opf-layer--1 .opf-layer-bar{background:color-mix(in oklab,var(--accent) 25%,var(--bg-elevated));border:1px solid color-mix(in oklab,var(--accent) 50%,var(--text-primary))}.opf-layer--2 .opf-layer-bar{background:color-mix(in oklab,var(--accent) 40%,var(--text-primary))}.opf-layer--3 .opf-layer-bar{background:color-mix(in oklab,var(--accent) 60%,var(--text-primary))}.opf-layer-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.opf-layer-k{font-family:var(--font-display);font-size:1.1rem;letter-spacing:-.01em;color:var(--text-primary)}.opf-layer-pct{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.78rem;font-weight:700;letter-spacing:.06em;color:color-mix(in oklab,var(--accent) 80%,var(--text-primary));padding:.28rem .55rem;border-radius:4px;background:color-mix(in oklab,var(--accent) 12%,transparent)}.opf-layer-b{margin-top:.55rem;font-size:.96rem;line-height:1.6;color:color-mix(in oklab,var(--text-primary) 82%,var(--text-muted))}.opf-bens{list-style:none;margin:0;padding:0;display:grid;gap:1rem;grid-template-columns:1fr}@media(min-width:720px){.opf-bens{grid-template-columns:1fr 1fr}}.opf-ben{padding:1.6rem 1.7rem;border-radius:calc(var(--radius) * 1.8);background:var(--bg-elevated);border:1px solid color-mix(in oklab,var(--text-primary) 10%,transparent)}.opf-ben-sym{display:inline-flex;align-items:center;justify-content:center;width:2.4rem;height:2.4rem;border-radius:10px;background:color-mix(in oklab,var(--accent) 18%,var(--bg-elevated));border:1px solid color-mix(in oklab,var(--accent) 50%,var(--text-primary));font-family:var(--font-display);font-weight:800;font-size:1.2rem;color:var(--text-primary);line-height:1;margin-bottom:.85rem;padding-block:.1em}.opf-ben-t{font-family:var(--font-display);font-size:1.18rem;letter-spacing:-.015em;color:var(--text-primary);text-wrap:balance}.opf-ben-b{margin-top:.55rem;font-size:.97rem;line-height:1.6;color:color-mix(in oklab,var(--text-primary) 80%,var(--text-muted))}.opf-steps{list-style:none;margin:0;padding:0;display:grid;gap:1rem;grid-template-columns:1fr}@media(min-width:880px){.opf-steps{grid-template-columns:1fr 1fr}}.opf-step{display:grid;grid-template-columns:4rem 1fr;gap:1rem;padding:1.4rem 1.6rem;background:var(--bg-elevated);border-radius:calc(var(--radius) * 1.6);border-top:3px solid color-mix(in oklab,var(--accent) 60%,var(--text-primary));border-right:1px solid color-mix(in oklab,var(--text-primary) 10%,transparent);border-bottom:1px solid color-mix(in oklab,var(--text-primary) 10%,transparent);border-left:1px solid color-mix(in oklab,var(--text-primary) 10%,transparent)}.opf-step-rail{display:flex;align-items:flex-start;justify-content:center}.opf-step-n{font-family:var(--font-display);font-weight:800;font-size:1.6rem;color:color-mix(in oklab,var(--accent) 70%,var(--text-primary));line-height:1;padding-top:.15rem}.opf-step-t{font-family:var(--font-display);font-size:1.08rem;letter-spacing:-.01em;color:var(--text-primary)}.opf-step-b{margin-top:.5rem;font-size:.95rem;line-height:1.6;color:color-mix(in oklab,var(--text-primary) 80%,var(--text-muted))}.opf-structs{display:grid;gap:1rem;grid-template-columns:1fr}@media(min-width:880px){.opf-structs{grid-template-columns:repeat(3,1fr);align-items:stretch}}.opf-struct{padding:1.6rem 1.7rem;border-radius:calc(var(--radius) * 1.8);background:var(--bg-elevated);border:1px solid color-mix(in oklab,var(--text-primary) 10%,transparent);display:flex;flex-direction:column}.opf-struct--featured{border-color:color-mix(in oklab,var(--accent) 55%,var(--text-primary));box-shadow:0 28px 50px -34px color-mix(in oklab,var(--accent) 45%,transparent);transform:translateY(-2px)}.opf-struct-label{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:color-mix(in oklab,var(--text-primary) 55%,var(--accent))}.opf-struct-headline{margin-top:.5rem;font-family:var(--font-display);font-weight:800;font-size:1.25rem;letter-spacing:-.015em;color:var(--text-primary)}.opf-struct-points{list-style:none;margin:1.1rem 0 0;padding:0;display:grid;gap:.55rem}.opf-struct-points li{display:grid;grid-template-columns:1.1rem 1fr;gap:.55rem;align-items:start;font-size:.93rem;line-height:1.5;color:var(--text-primary)}.opf-struct-points svg{width:1.05rem;height:1.05rem;margin-top:.18rem;color:color-mix(in oklab,var(--accent-alt) 80%,var(--text-primary))}.opf-methods{list-style:none;margin:0;padding:0;display:grid;gap:1rem;grid-template-columns:1fr}@media(min-width:720px){.opf-methods{grid-template-columns:1fr 1fr}}@media(min-width:1100px){.opf-methods{grid-template-columns:repeat(3,1fr)}}.opf-method{padding:1.4rem 1.55rem;background:var(--bg-elevated);border-radius:calc(var(--radius) * 1.6);border:1px solid color-mix(in oklab,var(--text-primary) 10%,transparent)}.opf-method-k{font-family:var(--font-display);font-size:1.08rem;letter-spacing:-.01em;color:var(--text-primary)}.opf-method-v{margin-top:.55rem;font-size:.94rem;line-height:1.6;color:color-mix(in oklab,var(--text-primary) 80%,var(--text-muted))}.opf-vert{list-style:none;margin:0;padding:0;display:grid;gap:.85rem;grid-template-columns:1fr}@media(min-width:640px){.opf-vert{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.opf-vert{grid-template-columns:repeat(4,1fr)}}.opf-vert-row{padding:1.15rem 1.25rem;background:var(--bg-elevated);border:1px solid color-mix(in oklab,var(--text-primary) 10%,transparent);border-radius:calc(var(--radius) * 1.4)}.opf-vert-n{font-family:var(--font-display);font-size:1rem;color:var(--text-primary);letter-spacing:-.005em}.opf-vert-d{margin-top:.4rem;font-size:.88rem;line-height:1.5;color:color-mix(in oklab,var(--text-primary) 72%,var(--text-muted))}.opf-trust{margin:0;padding:0;border-top:1px solid color-mix(in oklab,var(--border) 70%,transparent)}.opf-trust-row{display:grid;grid-template-columns:1fr;gap:.4rem;padding:1.4rem 0;border-bottom:1px solid color-mix(in oklab,var(--border) 70%,transparent)}@media(min-width:760px){.opf-trust-row{grid-template-columns:14rem 1fr;gap:2rem;align-items:baseline}}.opf-trust-k{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:color-mix(in oklab,var(--text-primary) 60%,var(--accent))}.opf-trust-v{margin:0;font-size:1rem;line-height:1.6;color:color-mix(in oklab,var(--text-primary) 84%,var(--text-muted))}.opf-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-display);font-size:.95rem;font-weight:600;line-height:1;text-decoration:none;white-space:nowrap;border-radius:999px;padding:.85rem 1.45rem;transition:background-color var(--anim-hover-duration) ease,border-color var(--anim-hover-duration) ease,box-shadow var(--anim-hover-duration) ease,transform var(--anim-hover-duration) ease}.opf-btn svg{width:1rem;height:1rem;flex:none;transition:transform var(--anim-hover-duration) ease}.opf-btn--primary{background:var(--accent);color:var(--accent-fg);box-shadow:0 10px 26px -10px color-mix(in oklab,var(--accent) 60%,transparent)}.opf-btn--primary:hover{background:color-mix(in oklab,var(--accent) 90%,#fff)}.opf-btn--ghost{background:transparent;color:var(--text-primary);border:1px solid color-mix(in oklab,var(--text-primary) 18%,transparent)}.opf-btn--ghost:hover{border-color:color-mix(in oklab,var(--accent) 55%,transparent)}.opf-btn:focus-visible{outline:2px solid color-mix(in oklab,var(--accent) 70%,var(--text-primary));outline-offset:3px}.opf-cta{--band-deep: color-mix(in oklab, var(--text-primary) 78%, #000);--band-base: var(--text-primary);--band-ink: var(--bg-elevated);--band-ink-soft: color-mix(in oklab, var(--bg-elevated) 72%, var(--text-primary));background:radial-gradient(60% 90% at 18% 12%,color-mix(in oklab,var(--accent) 26%,transparent),transparent 60%),radial-gradient(58% 80% at 86% 88%,color-mix(in oklab,var(--accent-alt) 20%,transparent),transparent 62%),linear-gradient(160deg,var(--band-deep) 0%,var(--band-base) 54%,color-mix(in oklab,var(--band-base) 84%,var(--accent)) 100%);color:var(--band-ink-soft)}.opf-cta-aura{position:absolute;z-index:0;inset:-10% 12% auto auto;width:56%;height:78%;pointer-events:none;background:radial-gradient(closest-side,color-mix(in oklab,var(--accent) 30%,transparent),transparent 74%);filter:blur(46px);opacity:.5}.opf-cta-eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-size:.74rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:color-mix(in oklab,var(--accent-alt) 86%,#fff);background:color-mix(in oklab,var(--accent) 13%,transparent);border:1px solid color-mix(in oklab,var(--accent) 30%,transparent);border-radius:999px;padding:.42rem .85rem}.opf-cta-eyebrow .dot{width:.5rem;height:.5rem;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in oklab,var(--accent) 22%,transparent)}.opf-cta-h{font-family:var(--font-display);font-weight:800;font-size:clamp(1.9rem,1.3rem + 2.3vw,2.9rem);line-height:1.1;letter-spacing:-.022em;color:var(--band-ink);text-wrap:balance;padding-block:.05em}.opf-cta-sub{max-width:42rem;font-size:clamp(1rem,.96rem + .2vw,1.1rem);line-height:1.6;color:var(--band-ink-soft)}.opf-btn--onband{background:color-mix(in oklab,var(--bg-elevated) 8%,transparent);color:var(--band-ink);border:1px solid color-mix(in oklab,var(--bg-elevated) 24%,transparent)}.opf-btn--onband.opf-btn--primary{background:var(--accent);color:var(--accent-fg);border-color:transparent}.opf-btn--onband:hover{border-color:color-mix(in oklab,var(--accent) 55%,transparent)}.opf-faqs{list-style:none;margin:0;padding:0;display:grid;gap:.8rem}.opf-faq{display:grid;grid-template-columns:3rem 1fr;gap:1rem;padding:1.3rem 1.5rem;background:var(--bg-elevated);border-radius:calc(var(--radius) * 1.5);box-shadow:0 1px 2px color-mix(in oklab,var(--text-primary) 5%,transparent),0 14px 30px -24px color-mix(in oklab,var(--text-primary) 18%,transparent)}.opf-faq-n{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:.78rem;font-weight:700;letter-spacing:.08em;color:color-mix(in oklab,var(--accent) 75%,var(--text-primary));padding-top:.2rem}.opf-faq-q{font-family:var(--font-display);font-size:1.04rem;letter-spacing:-.01em;line-height:1.3;color:var(--text-primary)}.opf-faq-a{margin-top:.55rem;font-size:.94rem;line-height:1.62;color:color-mix(in oklab,var(--text-primary) 84%,var(--text-muted))}@media(prefers-reduced-motion:no-preference){.opf-btn--primary:hover{transform:translateY(-2px)}.opf-btn:hover svg{transform:translate(2px)}.opf-btn:active{transform:scale(.98)}}@media(prefers-reduced-motion:reduce){.opf-btn,.opf-btn svg{transition:none;transform:none}}