.seo-foundation{--sf-accent:#c65b39;--sf-ink:#182421;--sf-surface:#f5f1e8;position:relative;overflow:hidden;padding:clamp(64px,8vw,110px) 0;background:var(--sf-surface);color:var(--sf-ink);border-block:1px solid color-mix(in srgb,var(--sf-ink) 14%,transparent)}
.seo-foundation:before{content:'';position:absolute;top:-240px;left:-180px;width:520px;height:520px;border:1px solid color-mix(in srgb,var(--sf-accent) 24%,transparent);border-radius:50%;box-shadow:0 0 0 70px color-mix(in srgb,var(--sf-accent) 4%,transparent),0 0 0 140px color-mix(in srgb,var(--sf-accent) 3%,transparent);pointer-events:none}
.sf-shell{position:relative;width:min(1180px,calc(100% - 32px));margin-inline:auto}.sf-intro{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.7fr);gap:clamp(35px,6vw,85px);align-items:end;margin-bottom:38px}.sf-label{display:inline-flex;align-items:center;gap:9px;color:var(--sf-accent);font-size:11px;font-weight:800;letter-spacing:.08em}.sf-label:before{content:'';width:28px;height:2px;background:currentColor}.sf-intro h2,.sf-faq-head h2{max-width:780px;margin:12px 0 16px;font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.035em}.sf-intro p,.sf-faq-head p{margin:0;color:color-mix(in srgb,var(--sf-ink) 72%,transparent);font-size:16px;line-height:2}.sf-definition{padding:22px;border:1px solid color-mix(in srgb,var(--sf-ink) 15%,transparent);border-radius:18px;background:color-mix(in srgb,#fff 62%,transparent);box-shadow:0 22px 65px color-mix(in srgb,var(--sf-ink) 9%,transparent)}.sf-definition b,.sf-definition span{display:block}.sf-definition b{margin-bottom:8px;color:var(--sf-accent);font-size:13px}.sf-definition span{font-size:14px;line-height:1.85}.sf-topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.sf-topic-grid article{position:relative;min-width:0;padding:25px;border:1px solid color-mix(in srgb,var(--sf-ink) 14%,transparent);border-radius:19px;background:color-mix(in srgb,#fff 72%,transparent);box-shadow:0 16px 45px color-mix(in srgb,var(--sf-ink) 6%,transparent)}.sf-topic-grid article>i{display:grid;place-items:center;width:42px;height:42px;margin-bottom:28px;border:1px solid color-mix(in srgb,var(--sf-accent) 35%,transparent);border-radius:12px;color:var(--sf-accent);font:normal 11px monospace}.sf-topic-grid h3{margin:0 0 10px;font-size:22px;line-height:1.35}.sf-topic-grid p{margin:0;color:color-mix(in srgb,var(--sf-ink) 70%,transparent);font-size:14px;line-height:1.9}.sf-topic-grid a{display:inline-flex;margin-top:17px;color:var(--sf-accent);font-size:12px;font-weight:800}.sf-hubs{margin-top:18px;padding:22px;display:grid;grid-template-columns:auto repeat(4,minmax(0,1fr));gap:10px;align-items:center;border-radius:18px;background:var(--sf-ink);color:#fff}.sf-hubs>span{color:color-mix(in srgb,#fff 64%,transparent);font-size:11px}.sf-hubs a{padding:11px 13px;border:1px solid color-mix(in srgb,#fff 16%,transparent);border-radius:11px;color:#fff;font-size:12px;text-align:center}.sf-hubs a:hover{border-color:var(--sf-accent);color:color-mix(in srgb,var(--sf-accent) 72%,#fff)}.sf-faq{margin-top:70px;padding-top:50px;border-top:1px solid color-mix(in srgb,var(--sf-ink) 15%,transparent)}.sf-faq-head{display:grid;grid-template-columns:1fr .7fr;gap:40px;align-items:end;margin-bottom:25px}.sf-faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.sf-faq-grid details{background:color-mix(in srgb,#fff 70%,transparent);border:1px solid color-mix(in srgb,var(--sf-ink) 14%,transparent);border-radius:15px;padding:0 19px}.sf-faq-grid summary{padding:18px 28px 18px 0;position:relative;cursor:pointer;list-style:none;font-weight:800;line-height:1.6}.sf-faq-grid summary::-webkit-details-marker{display:none}.sf-faq-grid summary:before{content:'+';position:absolute;right:0;top:15px;color:var(--sf-accent);font-size:22px}.sf-faq-grid details[open] summary:before{content:'−'}.sf-faq-grid details p{margin:0;padding:0 0 19px;color:color-mix(in srgb,var(--sf-ink) 72%,transparent);font-size:14px;line-height:1.9}
@media(max-width:850px){.sf-intro,.sf-faq-head{grid-template-columns:1fr}.sf-topic-grid{grid-template-columns:1fr}.sf-hubs{grid-template-columns:repeat(2,minmax(0,1fr))}.sf-hubs>span{grid-column:1/-1}.sf-faq-grid{grid-template-columns:1fr}}
@media(max-width:520px){.seo-foundation{padding:58px 0}.sf-shell{width:calc(100% - 24px)}.sf-intro h2,.sf-faq-head h2{font-size:34px}.sf-topic-grid article{padding:21px}.sf-hubs{grid-template-columns:1fr}.sf-faq{margin-top:50px;padding-top:38px}}