.four-d-hub{--four-d-ink:#102a43;--four-d-muted:#5f7180;--four-d-line:#102a431f;color:var(--four-d-ink)}.four-d-hero{border:1px solid var(--four-d-line);background:linear-gradient(135deg,#f9fbfa 0%,#f4f8fb 58%,#fff9ef 100%);border-radius:28px;grid-template-columns:minmax(250px,.75fr) 1.35fr;align-items:center;gap:clamp(44px,6vw,82px);min-height:520px;padding:clamp(44px,7vw,92px) clamp(22px,6vw,80px);display:grid;position:relative;overflow:hidden}.four-d-hero:after{content:"";border:70px solid #249de30d;border-radius:50%;width:360px;height:360px;position:absolute;top:-190px;right:-170px}.four-d-orbit{aspect-ratio:1;filter:drop-shadow(0 28px 38px #102a431f);width:clamp(170px,17vw,220px);margin:auto;position:relative;transform:rotate(45deg)}.four-d-orbit i{border-radius:52% 10%;width:49%;height:49%;position:absolute}.four-d-orbit .is-green{background:#41b981;top:0;left:0}.four-d-orbit .is-yellow{background:#efd63f;bottom:0;left:0}.four-d-orbit .is-blue{background:#249de3;top:0;right:0}.four-d-orbit .is-orange{background:#f39a2b;bottom:0;right:0}.four-d-orbit b{z-index:2;color:#fff;letter-spacing:-.08em;background:#102a43;border-radius:50%;place-items:center;font-size:clamp(26px,3.3vw,46px);display:grid;position:absolute;inset:31%;transform:rotate(-45deg)}.four-d-eyebrow{color:#587085;letter-spacing:.23em;margin:0 0 13px;font-size:10px;font-weight:800}.four-d-hero h1{max-width:800px;font-family:var(--font-serif,Georgia,"Noto Serif SC",serif);letter-spacing:-.055em;margin:0;font-size:clamp(38px,4.25vw,56px);font-weight:500;line-height:1.12}.four-d-hero h1 span{color:#276d9e}.four-d-hero__copy>p:not(.four-d-eyebrow){max-width:720px;color:var(--four-d-muted);margin:26px 0 0;font-size:15px;line-height:1.9}.four-d-hero__actions{flex-wrap:wrap;gap:12px;margin-top:30px;display:flex}.four-d-btn{border:1px solid var(--four-d-line);min-height:44px;color:var(--four-d-ink);background:#ffffffb8;border-radius:999px;justify-content:center;align-items:center;padding:11px 20px;font-size:13px;font-weight:700;text-decoration:none;display:inline-flex}.four-d-btn--primary{color:#fff;background:#102a43;border-color:#102a43}.four-d-map,.four-d-path,.four-d-ecosystem{padding:clamp(64px,9vw,108px) 0 0}.four-d-section-head{max-width:720px;margin-bottom:32px}.four-d-section-head h2{font-family:var(--font-serif,Georgia,"Noto Serif SC",serif);letter-spacing:-.03em;margin:0;font-size:clamp(29px,3.4vw,46px);font-weight:500}.four-d-section-head>p:last-child{color:var(--four-d-muted);margin:14px 0 0;font-size:14px;line-height:1.8}.four-d-dimensions{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.dimension-card{border:1px solid var(--four-d-line);background:#fff;border-radius:20px;min-height:210px;padding:24px;position:relative;overflow:hidden}.dimension-card:before{content:"";background:var(--dim);border-radius:99px;width:64px;height:6px;margin-bottom:44px;display:block}.dimension-card:after{content:"";background:color-mix(in srgb,var(--dim) 12%,transparent);border-radius:50%;width:110px;height:110px;position:absolute;bottom:-48px;right:-46px}.dimension-card.is-green{--dim:#41b981}.dimension-card.is-yellow{--dim:#d6b900}.dimension-card.is-blue{--dim:#249de3}.dimension-card.is-orange{--dim:#f39a2b}.dimension-card span{color:#7b8994;letter-spacing:.12em;font-size:9px;font-weight:750}.dimension-card h3{margin:8px 0 9px;font-size:24px}.dimension-card p{color:var(--four-d-muted);margin:0;font-size:13px;line-height:1.7}.four-d-path-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.path-card{border:1px solid var(--four-d-line);background:#fff;border-radius:22px;grid-template-rows:auto 1fr auto;min-height:260px;padding:28px;display:grid}.path-card--wide{grid-column:1/-1;grid-template-rows:1fr;grid-template-columns:74px 1fr auto;align-items:center;gap:24px;min-height:230px}.path-card--accent{color:#fff;background:linear-gradient(135deg,#102a43,#173f5f)}.path-card__number{color:#9ca8b1;font-family:Georgia,serif;font-size:13px;font-style:italic}.path-card__type{color:#768897;letter-spacing:.13em;font-size:10px;font-weight:750}.path-card h3{margin:11px 0 12px;font-size:24px}.path-card p{color:var(--four-d-muted);margin:0;font-size:13px;line-height:1.8}.path-card a{color:inherit;margin-top:22px;font-size:12px;font-weight:750;text-decoration:none}.path-card a span{margin-left:5px}.path-card--accent .path-card__type,.path-card--accent .path-card__number,.path-card--accent p{color:#ffffffa8}.ecosystem-grid{border:solid var(--four-d-line);border-width:1px 0;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.ecosystem-grid a{min-height:190px;color:var(--four-d-ink);border-right:1px solid var(--four-d-line);flex-direction:column;padding:28px 22px;text-decoration:none;display:flex}.ecosystem-grid a:last-child{border:0}.ecosystem-grid b{font-size:17px}.ecosystem-grid span{color:var(--four-d-muted);margin-top:14px;font-size:12px;line-height:1.7}.ecosystem-grid i{color:#8a98a2;letter-spacing:.12em;margin-top:auto;font-size:9px;font-style:normal}.ecosystem-grid a:hover{background:#f8fafb}.taxonomy-note{color:#7b8994;max-width:850px;margin:22px 0 0;font-size:11px;line-height:1.8}@media (width<=900px){.four-d-hero{text-align:center;grid-template-columns:1fr}.four-d-hero__copy>p:not(.four-d-eyebrow){margin-left:auto;margin-right:auto}.four-d-hero__actions{justify-content:center}.four-d-dimensions,.ecosystem-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ecosystem-grid a:nth-child(2){border-right:0}.ecosystem-grid a:nth-child(-n+2){border-bottom:1px solid var(--four-d-line)}}@media (width<=620px){.four-d-hero{border-radius:20px;padding:44px 20px}.four-d-orbit{width:170px}.four-d-hero h1{font-size:36px}.four-d-dimensions,.four-d-path-grid,.ecosystem-grid{grid-template-columns:1fr}.path-card--wide{grid-column:auto;grid-template-rows:auto 1fr auto;grid-template-columns:1fr}.ecosystem-grid a{border-right:0;border-bottom:1px solid var(--four-d-line)}.ecosystem-grid a:nth-child(3){border-bottom:1px solid var(--four-d-line)}}