.pillar{max-width:920px;margin:0 auto 4rem;padding:0 1.5rem}.pillar .breadcrumb{display:flex;gap:.5rem;align-items:center;color:var(--color-muted);font-size:.85rem;margin:2rem 0;flex-wrap:wrap}.pillar .breadcrumb a{color:var(--color-muted)}.pillar .breadcrumb a:hover{color:var(--color-fg)}.pillar .hero{margin:1rem auto 3rem;max-width:760px;text-align:center}.pillar .hero h1,.pillar .hero .lede{margin-left:auto;margin-right:auto}.pillar .eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;color:var(--color-accent);font-weight:600;margin:0 0 1.75rem;padding:.35rem .875rem;background:#2a4abc14;border-radius:var(--radius-pill)}.pillar .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--color-accent);margin-right:.4rem;vertical-align:middle}.pillar .hero h1{font-size:clamp(2.25rem,4.5vw,3.5rem);margin:0 0 1.5rem;letter-spacing:-.03em;line-height:1.05;font-weight:700}.pillar .hero h1 .accent{color:var(--color-accent)}.pillar .hero .lede{color:var(--color-muted-strong);font-size:clamp(1.0625rem,1.6vw,1.1875rem);line-height:1.65;margin:0}.pillar .toc{padding:1.75rem 2rem;background:var(--color-bg-alt);border-radius:var(--radius-lg);margin:0 0 4rem}.pillar .toc-label{text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;color:var(--color-muted);font-weight:700;margin:0 0 1rem}.pillar .toc ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem 2rem;counter-reset:toc}.pillar .toc li{counter-increment:toc}.pillar .toc a{display:inline-block;color:var(--color-fg);padding:.25rem 0;transition:color .12s}.pillar .toc a:before{content:counter(toc,decimal-leading-zero) ". ";color:var(--color-accent);font-weight:700;font-variant-numeric:tabular-nums;margin-right:.5rem}.pillar .toc a:hover{color:var(--color-accent)}.pillar .section{margin:0 0 4rem}.pillar .section.alt{margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);padding:4rem max(1.5rem,calc(50vw - 460px));background:var(--color-bg-alt)}.pillar .section h2{font-size:clamp(1.625rem,3vw,2.25rem);letter-spacing:-.025em;line-height:1.15;margin:0 0 1.5rem;font-weight:700;color:var(--color-fg-strong)}.pillar .section h3{font-size:1.2rem;letter-spacing:-.015em;margin:1.75rem 0 .75rem;color:var(--color-fg-strong);line-height:1.3}.pillar .section p{color:var(--color-fg);line-height:1.75;font-size:1.0625rem;margin:0 0 1.25rem}.pillar .section ul:not(.method):not(.errors),.pillar .section ol:not(.method):not(.errors){margin:0 0 1.5rem;padding-left:1.5rem;color:var(--color-fg);line-height:1.75;font-size:1.0625rem}.pillar .section li{margin-bottom:.5rem}.pillar .section a:not(.btn-on-dark){color:var(--color-accent)}.pillar .section strong{color:var(--color-fg-strong);font-weight:600}.pillar .step-grid{list-style:none;padding:0;margin:1.5rem 0;counter-reset:step;display:flex;flex-direction:column;gap:1rem}.pillar .step-grid li{counter-increment:step;padding:1.5rem 1.75rem 1.5rem 4rem;background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:border-color .15s;position:relative}.pillar .step-grid li:hover{border-color:var(--color-accent)}.pillar .step-grid li:before{content:counter(step,decimal-leading-zero);position:absolute;left:1.5rem;top:1.5rem;font-size:.8rem;font-weight:700;color:var(--color-accent);letter-spacing:.05em}.pillar .step-grid h3{margin:0 0 .5rem!important;padding-top:0}.pillar .step-grid p{margin:0!important;font-size:.95rem}.pillar .card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:1.5rem 0}.pillar .card-grid article{padding:1.5rem;background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:border-color .15s,transform .15s}.pillar .section.alt .card-grid article{background:var(--color-card)}.pillar .card-grid article:hover{border-color:var(--color-accent);transform:translateY(-2px)}.pillar .card-grid h3{margin:0 0 .5rem!important;font-size:1rem;color:var(--color-fg-strong);letter-spacing:-.01em}.pillar .card-grid p{margin:0!important;font-size:.9rem;color:var(--color-muted-strong);line-height:1.55}.pillar .faq details{border-top:1px solid var(--color-border);padding:1.25rem 0}.pillar .faq details:last-of-type{border-bottom:1px solid var(--color-border)}.pillar .faq summary{cursor:pointer;font-weight:600;font-size:1rem;color:var(--color-fg-strong);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}.pillar .faq summary::-webkit-details-marker{display:none}.pillar .faq summary:after{content:"+";color:var(--color-accent);font-size:1.5rem;font-weight:400}.pillar .faq details[open] summary:after{content:"−"}.pillar .faq details[open] summary{margin-bottom:.75rem}.pillar .faq details p{color:var(--color-muted-strong);margin:0;line-height:1.65;font-size:.9375rem}.pillar .cta-band{margin:4rem 0 0;padding:3rem 2rem;text-align:center;background:linear-gradient(135deg,var(--color-cta-from) 0%,var(--color-cta-to) 100%);color:#fff;border-radius:var(--radius-lg)}.pillar .cta-band h2{font-size:clamp(1.5rem,2.8vw,2rem);margin:0 0 .75rem;letter-spacing:-.025em;color:#fff}.pillar .cta-band p{color:#ffffffd9;font-size:1rem;line-height:1.6;max-width:660px;margin:0 auto 1.5rem}.pillar .btn-on-dark{display:inline-block;padding:.75rem 1.5rem;background:var(--color-card);color:var(--color-fg);border:1px solid #fff;border-radius:var(--radius);font-weight:500;font-size:.95rem}.pillar .btn-on-dark:hover{background:#ffffffeb;text-decoration:none}@media(max-width:720px){.pillar .toc ol,.pillar .card-grid{grid-template-columns:1fr}}