:root{
  --rh-primary:#6C56FF;
  --rh-primary-dark:#5440D9;
  --rh-yellow:#FDE047;
  --rh-ink:#0F172A;
  --rh-muted:#64748B;
  --rh-line:#E2E8F0;
  --rh-soft:#F8FAFC;
  --rh-white:#FFFFFF;
}

.research-hub-page{background:#fff;color:var(--rh-ink)}
.rh-main{overflow:hidden}
.rh-container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.rh-section{padding:88px 0}
.rh-section-soft{background:linear-gradient(180deg,#fafbff 0%,#f8fafc 100%);border-top:1px solid #eef2f7;border-bottom:1px solid #eef2f7}
.rh-section-dark{background:#0f172a;color:#fff}

.rh-hero{position:relative;padding:92px 0 78px;background:radial-gradient(circle at 82% 20%,rgba(108,86,255,.12),transparent 32%),radial-gradient(circle at 72% 68%,rgba(253,224,71,.13),transparent 24%),linear-gradient(180deg,#fff 0%,#fbfbff 100%);border-bottom:1px solid #eef2f7}
.rh-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(15,23,42,.024) 1px,transparent 1px),linear-gradient(90deg,rgba(15,23,42,.024) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(to bottom,#000,transparent 85%);pointer-events:none}
.rh-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);align-items:center;gap:72px}
.rh-eyebrow,.rh-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--rh-primary-dark);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.rh-eyebrow:before,.rh-kicker:before{content:"";width:22px;height:2px;background:var(--rh-yellow);border-radius:999px}
.rh-hero h1{max-width:820px;margin:18px 0 22px;font-size:clamp(48px,6vw,78px);line-height:.98;letter-spacing:-.055em;font-weight:800;color:var(--rh-ink)}
.rh-hero h1 span{color:var(--rh-primary)}
.rh-lead{max-width:720px;margin:0;color:#475569;font-size:clamp(18px,2vw,21px);line-height:1.68}
.rh-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.rh-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:12px;font-size:14px;font-weight:800;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.rh-btn:hover{transform:translateY(-1px)}
.rh-btn-primary{background:var(--rh-primary);color:#fff;box-shadow:0 10px 24px rgba(108,86,255,.20)}
.rh-btn-primary:hover{background:var(--rh-primary-dark);color:#fff}
.rh-btn-secondary{background:#fff;color:var(--rh-ink);border:1px solid var(--rh-line)}
.rh-btn-secondary:hover{border-color:#cbd5e1;color:var(--rh-ink)}
.rh-btn-light{background:#fff;color:#0f172a}
.rh-trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.rh-trust-row span{display:inline-flex;align-items:center;padding:8px 11px;border:1px solid #e5e7eb;border-radius:999px;background:rgba(255,255,255,.78);color:#64748b;font-size:12px;font-weight:700}

.rh-orbit{position:relative;aspect-ratio:1/1;width:min(100%,480px);margin-left:auto;border-radius:50%}
.rh-orbit:before{content:"";position:absolute;inset:11%;border-radius:50%;background:radial-gradient(circle,rgba(108,86,255,.12),rgba(108,86,255,.025) 50%,transparent 70%);filter:blur(2px)}
.rh-orbit-ring{position:absolute;left:50%;top:50%;border:1px solid rgba(108,86,255,.23);border-radius:50%;transform:translate(-50%,-50%) rotate(-15deg)}
.rh-orbit-ring--outer{width:91%;height:57%}
.rh-orbit-ring--inner{width:66%;height:43%;transform:translate(-50%,-50%) rotate(24deg);border-color:rgba(15,23,42,.12)}
.rh-orbit-core{position:absolute;left:50%;top:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;width:180px;height:180px;transform:translate(-50%,-50%);border-radius:32% 68% 58% 42%/42% 38% 62% 58%;background:linear-gradient(145deg,#6c56ff,#4d3bd1);box-shadow:0 28px 70px rgba(84,64,217,.28);color:#fff;text-align:center}
.rh-orbit-core:after{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.24);border-radius:inherit}
.rh-orbit-core strong{position:relative;z-index:1;font-size:19px;letter-spacing:.08em}
.rh-orbit-core span{position:relative;z-index:1;margin-top:7px;font-size:10px;opacity:.8;letter-spacing:.05em}
.rh-orbit-node{position:absolute;display:flex;align-items:center;justify-content:center;min-width:70px;height:38px;padding:0 12px;border:1px solid rgba(15,23,42,.10);border-radius:999px;background:#fff;box-shadow:0 10px 28px rgba(15,23,42,.09);font-size:11px;font-weight:800;color:#334155}
.rh-node-a{left:10%;top:27%}.rh-node-b{right:4%;top:30%}.rh-node-c{left:16%;bottom:22%}.rh-node-d{right:7%;bottom:21%}

.rh-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;margin-bottom:34px}
.rh-section-head>div{min-width:0}
.rh-section-head h2{margin:10px 0 0;font-size:clamp(34px,4vw,50px);line-height:1.06;letter-spacing:-.04em;color:var(--rh-ink)}
.rh-section-head>p{max-width:560px;margin:0;color:var(--rh-muted);font-size:16px;line-height:1.75}
.rh-section-head--compact{margin-bottom:28px}

.rh-featured{display:grid;grid-template-columns:minmax(340px,.9fr) minmax(0,1.1fr);overflow:hidden;border:1px solid var(--rh-line);border-radius:28px;background:#fff;box-shadow:0 24px 70px rgba(15,23,42,.08)}
.rh-featured-media{position:relative;display:block;min-height:100%;background:#111827;overflow:hidden}
.rh-featured-media img{width:100%;height:100%;min-height:520px;object-fit:cover;display:block;transition:transform .4s ease}
.rh-featured-media:hover img{transform:scale(1.018)}
.rh-featured-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(15,23,42,.55))}
.rh-featured-badge{position:absolute;z-index:2;left:22px;bottom:22px;padding:8px 12px;border-radius:999px;background:#fff;color:#0f172a;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.rh-featured-content{padding:38px 40px 40px}
.rh-featured-topline{display:flex;align-items:center;justify-content:space-between;gap:18px;color:#64748b;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.rh-featured h3{margin:18px 0 12px;font-size:clamp(34px,4vw,50px);line-height:1;letter-spacing:-.045em;color:#0f172a}
.rh-featured-intro{margin:0;color:#475569;font-size:18px;line-height:1.65}
.rh-finding{margin:28px 0 24px;padding:20px 22px;border-left:4px solid var(--rh-yellow);border-radius:0 14px 14px 0;background:#fafafa}
.rh-finding>span{display:block;margin-bottom:7px;color:#64748b;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.09em}
.rh-finding strong{display:block;font-size:19px;color:#0f172a}
.rh-finding p{margin:6px 0 0;color:#64748b;font-size:14px;line-height:1.6}
.rh-study-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:26px 0}
.rh-study-stats div{padding:14px 10px;border:1px solid #edf0f4;border-radius:14px;background:#fbfcfe;text-align:center}
.rh-study-stats strong{display:block;font-size:23px;color:#0f172a}
.rh-study-stats span{display:block;margin-top:4px;color:#64748b;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.rh-featured-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:24px}
.rh-text-link{color:var(--rh-primary-dark);font-size:13px;font-weight:800;text-decoration:none}
.rh-text-link:hover{text-decoration:underline}
.rh-doi{display:inline-flex;padding:7px 10px;border-radius:8px;background:#f3f1ff;color:#5440d9;font-size:11px;font-weight:800;text-decoration:none}

.rh-principles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rh-principles article{padding:26px;border:1px solid var(--rh-line);border-radius:20px;background:#fff}
.rh-number{display:inline-flex;margin-bottom:24px;color:var(--rh-primary);font-size:12px;font-weight:900;letter-spacing:.1em}
.rh-principles h3{margin:0 0 10px;font-size:18px;letter-spacing:-.02em;color:#0f172a}
.rh-principles p{margin:0;color:#64748b;font-size:14px;line-height:1.7}

.rh-areas{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rh-areas article{padding:30px;border:1px solid var(--rh-line);border-radius:22px;background:#fff;box-shadow:0 10px 30px rgba(15,23,42,.035)}
.rh-area-icon{display:flex;align-items:center;justify-content:center;width:46px;height:46px;margin-bottom:26px;border-radius:14px;background:#f1efff;color:var(--rh-primary-dark);font-size:14px;font-weight:900}
.rh-areas h3{margin:0 0 10px;font-size:21px;color:#0f172a;letter-spacing:-.025em}
.rh-areas p{margin:0 0 22px;color:#64748b;font-size:14px;line-height:1.7}
.rh-areas article>span{color:#475569;font-size:11px;font-weight:800;letter-spacing:.035em;text-transform:uppercase}

.rh-use-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.72fr);gap:64px;align-items:center}
.rh-kicker-light{color:#c4baff}.rh-kicker-light:before{background:var(--rh-yellow)}
.rh-section-dark h2{margin:12px 0 18px;font-size:clamp(36px,4vw,54px);line-height:1.04;letter-spacing:-.04em;color:#fff}
.rh-section-dark p{max-width:670px;color:#cbd5e1;font-size:16px;line-height:1.75}
.rh-citation-card{padding:28px;border:1px solid rgba(255,255,255,.14);border-radius:22px;background:rgba(255,255,255,.055);box-shadow:0 24px 60px rgba(0,0,0,.18)}
.rh-citation-card>span{display:block;margin-bottom:14px;color:#fde047;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.rh-citation-card p{margin:0 0 18px;color:#e2e8f0;font-size:14px;line-height:1.7}
.rh-citation-card a{color:#c4baff;font-size:12px;font-weight:800;text-decoration:none;word-break:break-all}

.rh-business{display:flex;align-items:center;justify-content:space-between;gap:48px;padding-top:8px;padding-bottom:8px}
.rh-business>div{max-width:760px}
.rh-business h2{margin:10px 0 14px;font-size:clamp(32px,4vw,46px);line-height:1.08;letter-spacing:-.035em}
.rh-business p{margin:0;color:#64748b;font-size:15px;line-height:1.75}

@media(max-width:980px){
  .rh-hero-grid{grid-template-columns:1fr;gap:38px}
  .rh-orbit{width:min(100%,410px);margin:0 auto}
  .rh-featured{grid-template-columns:1fr}
  .rh-featured-media img{min-height:380px;max-height:480px}
  .rh-principles{grid-template-columns:repeat(2,1fr)}
  .rh-use-grid{grid-template-columns:1fr;gap:36px}
}

@media(max-width:760px){
  .rh-container{width:min(100% - 28px,1180px)}
  .rh-section{padding:64px 0}
  .rh-hero{padding:62px 0 54px}
  .rh-hero h1{font-size:clamp(42px,13vw,62px)}
  .rh-orbit{width:min(100%,330px)}
  .rh-orbit-core{width:145px;height:145px}
  .rh-orbit-node{min-width:58px;height:34px;padding:0 9px;font-size:10px}
  .rh-section-head{display:block}
  .rh-section-head>p{margin-top:18px}
  .rh-featured-content{padding:28px 24px 30px}
  .rh-study-stats{grid-template-columns:repeat(2,1fr)}
  .rh-principles,.rh-areas{grid-template-columns:1fr}
  .rh-business{display:block}
  .rh-business .rh-btn{margin-top:24px}
}

@media(max-width:520px){
  .rh-hero-actions .rh-btn{width:100%}
  .rh-featured-media img{min-height:280px}
  .rh-featured-topline{align-items:flex-start;flex-direction:column;gap:6px}
  .rh-featured-actions{align-items:flex-start;flex-direction:column}
  .rh-featured-actions .rh-btn{width:100%}
  .rh-study-stats strong{font-size:21px}
}