.topbar a#study-lab-link{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:9px;padding:7px 13px;background:#fff;color:var(--teal);font-size:.78rem;font-weight:650;text-decoration:none}
.hub-hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:46px;align-items:center;padding:38px;border-radius:22px;background:#153b34;color:#f4f8f1;overflow:hidden}
.hub-hero .eyebrow{color:#b9d8bf}.hub-hero h1{font-size:clamp(2.6rem,5.4vw,5.2rem);max-width:760px}.hub-hero .subtitle{color:#c3d8cc;max-width:650px}
.hub-orbit{position:relative;display:grid;place-items:center;width:100%;aspect-ratio:1;max-width:360px;margin:auto;border:1px solid #52766b;border-radius:50%}
.hub-orbit:before,.hub-orbit:after{content:'';position:absolute;border:1px solid #52766b;border-radius:50%}.hub-orbit:before{inset:15%}.hub-orbit:after{inset:31%}
.hub-orbit strong{z-index:1;font-family:Manrope,sans-serif;font-size:clamp(1.4rem,3vw,2.2rem);color:#d3eab8}.hub-orbit span{position:absolute;z-index:1;padding:4px 8px;border-radius:5px;background:#214d43;font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;color:#c6dbce}.hub-orbit span:nth-child(1){top:8%;left:9%}.hub-orbit span:nth-child(2){top:45%;right:-3%}.hub-orbit span:nth-child(3){bottom:9%;left:18%}
.hub-desks{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:26px 0}.hub-desk{display:flex;flex-direction:column;min-height:320px;padding:27px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--ink);text-decoration:none;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}.hub-desk:hover{transform:translateY(-4px);border-color:#75a18c;box-shadow:0 18px 35px rgba(20,43,43,.08)}.hub-desk-top{display:flex;justify-content:space-between;gap:14px;font-size:.68rem;letter-spacing:.1em;color:var(--teal)}.hub-desk-top span:last-child{color:var(--muted);letter-spacing:0}.hub-desk h2{margin-top:35px;font-size:clamp(1.6rem,3vw,2.35rem)}.hub-desk p{margin-top:12px;color:var(--muted);max-width:56ch}.hub-desk>strong{margin-top:auto;padding-top:28px;color:var(--teal)}.hub-chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}.hub-chips span{padding:5px 9px;border:1px solid var(--line);border-radius:999px;background:#f5f8f5;font-size:.71rem;color:var(--muted)}.hub-desk-elec{background:#f9f7f1}.hub-desk-ode{background:#f3f8f3}
.hub-method{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;margin-top:36px;padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.hub-method ol{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:0;padding:0;list-style:none}.hub-method li{padding:18px;border-radius:12px;background:#fff;border:1px solid var(--line)}.hub-method li>span{display:block;margin-bottom:24px;font-size:.68rem;color:var(--teal)}.hub-method li strong{font-family:Manrope,sans-serif}.hub-method li p{margin-top:8px;font-size:.8rem;color:var(--muted)}.hub-start{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:25px;font-size:.82rem}.hub-start span{font-weight:700}.hub-start a{padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;text-decoration:none}
@media(max-width:900px){.hub-hero{grid-template-columns:1fr}.hub-orbit{width:min(100%,320px)}.hub-method{grid-template-columns:1fr}.hub-method ol{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:650px){.hub-hero{padding:25px}.hub-hero h1{font-size:2.65rem}.hub-desks{grid-template-columns:1fr}.hub-desk{min-height:290px;padding:22px}.hub-method ol{grid-template-columns:1fr}.topbar a#study-lab-link{font-size:.7rem;padding:6px 9px}.hub-orbit span:nth-child(2){right:1%}}
@media(prefers-reduced-motion:reduce){.hub-desk{transition:none}.hub-desk:hover{transform:none}}