/* R50 independent partner showcase: inherits existing event design tokens and colors. */
.r50-partner-section{position:relative;contain:layout style}.r50-partner-section .r50-partner-heading{margin-bottom:22px}.r50-partner-heading h2{margin:0 0 10px}.r50-partner-count{font-size:13px;letter-spacing:.035em;opacity:.68}.r50-group-heading{margin:30px 0 17px;font-size:14px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;display:flex;gap:20px;align-items:center}.r50-group-heading::after{content:"";height:1px;flex:1;background:currentColor;opacity:.16}
.r50-logo-grid{display:grid;gap:15px;grid-template-columns:repeat(5,minmax(0,1fr));align-items:stretch}.r50-grid-xl{grid-template-columns:repeat(3,minmax(0,1fr))}.r50-grid-lg{grid-template-columns:repeat(4,minmax(0,1fr))}.r50-grid-md{grid-template-columns:repeat(5,minmax(0,1fr))}.r50-grid-sm{grid-template-columns:repeat(6,minmax(0,1fr))}.r50-partner-exhibitors .r50-logo-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.r50-partner-media_sponsors .r50-logo-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.r50-partner-previous_sponsors .r50-logo-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
.r50-logo-card{min-width:0;min-height:160px;display:flex;flex-direction:column;gap:7px;align-items:center;justify-content:center;text-align:center;padding:16px 12px;box-sizing:border-box;text-decoration:none;color:inherit;border:1px solid rgba(110,126,147,.24);border-radius:14px;background:rgba(255,255,255,.98);box-shadow:0 4px 18px rgba(12,28,54,.055);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;overflow:hidden}.r50-logo-card:hover{transform:translateY(-3px);border-color:var(--gold,#c79a47);box-shadow:0 12px 28px rgba(12,28,54,.11)}.r50-logo-card:focus-visible{outline:3px solid var(--gold,#c79a47);outline-offset:3px}
.r50-logo-space{display:grid;place-items:center;flex:1;width:100%;min-height:86px;max-height:112px}.r50-logo-space picture{display:grid;place-items:center;width:100%;height:100%}.r50-logo-space img{display:block;width:min(var(--r50-w,140px),70%);height:min(var(--r50-h,68px),55%);max-width:70%;max-height:68px;object-fit:contain;object-position:center}.r50-wordmark{font-size:clamp(12px,1.2vw,18px);letter-spacing:.04em;line-height:1.15;overflow-wrap:anywhere}.r50-card-name{font-size:12px;font-weight:600;line-height:1.28;color:#182b42;overflow-wrap:anywhere}.r50-logo-card small{font-size:11px;color:#637186}
.r50-partner-sponsors .r50-grid-xl .r50-logo-card{min-height:205px}.r50-partner-sponsors .r50-grid-lg .r50-logo-card{min-height:185px}.r50-partner-previous_sponsors{background:rgba(246,247,250,.5)}.r50-partner-previous_sponsors .r50-logo-card{background:#fafafa}.r50-partner-previous_sponsors .r50-logo-space img{filter:grayscale(1);opacity:.83;transition:filter .25s ease,opacity .25s ease}.r50-partner-previous_sponsors .r50-logo-card:hover img,.r50-partner-previous_sponsors .r50-logo-card:focus-visible img{filter:none;opacity:1}
.r50-logo-marquee{overflow:hidden}.r50-marquee-track{display:flex;gap:15px;width:max-content;animation:r50-marquee 65s linear infinite}.r50-marquee-set{display:flex;gap:15px}.r50-marquee-set>.r50-logo-card{flex:0 0 182px;width:182px}.r50-logo-marquee:hover .r50-marquee-track,.r50-logo-marquee:focus-within .r50-marquee-track{animation-play-state:paused}@keyframes r50-marquee{to{transform:translateX(calc(-50% - 7.5px))}}
@media(max-width:1024px){.r50-logo-grid,.r50-grid-md,.r50-grid-sm,.r50-partner-exhibitors .r50-logo-grid,.r50-partner-media_sponsors .r50-logo-grid,.r50-partner-previous_sponsors .r50-logo-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.r50-grid-xl{grid-template-columns:repeat(2,minmax(0,1fr))}.r50-grid-lg{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:767px){.r50-logo-grid,.r50-grid-lg,.r50-grid-md,.r50-grid-sm,.r50-partner-exhibitors .r50-logo-grid,.r50-partner-media_sponsors .r50-logo-grid,.r50-partner-previous_sponsors .r50-logo-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.r50-grid-xl{grid-template-columns:1fr}.r50-logo-card{min-height:138px;padding:12px 9px}.r50-card-name{font-size:11px}.r50-logo-space{min-height:76px}.r50-partner-heading .text-link{margin-top:6px}.r50-partner-sponsors .r50-grid-xl .r50-logo-card{min-height:175px}}
@media(max-width:375px){.r50-logo-card{min-height:128px}.r50-logo-space img{max-width:70%}}
@media(prefers-reduced-motion:reduce){.r50-logo-card,.r50-partner-previous_sponsors img{transition:none}.r50-logo-marquee{overflow:visible}.r50-marquee-track{animation:none;display:block;width:auto}.r50-marquee-set{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.r50-marquee-set>.r50-logo-card{width:auto}.r50-marquee-set[aria-hidden=true]{display:none}}
@media(prefers-reduced-motion:no-preference){.r50-logo-card.r50-ready{opacity:0;transform:translateY(8px)}.r50-logo-card.r50-ready.r50-in-view{opacity:1;transform:translateY(0);transition:opacity .4s ease,transform .4s ease,box-shadow .25s ease,border-color .25s ease;transition-delay:calc(var(--r50-index,0)*45ms)}.r50-logo-marquee .r50-logo-card.r50-ready{opacity:1;transform:none}}

/* R50.4: one consistent 4-column desktop presentation for ALL partner types.
   Keep category headings, logo containment, existing brand styling and responsive safety. */
@media (min-width:900px){
  .r50-partner-section .r50-logo-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media (min-width:768px) and (max-width:899px){
  .r50-partner-section .r50-logo-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:767px){
  .r50-partner-section .r50-logo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .r50-partner-sponsors .r50-grid-xl{grid-template-columns:1fr}
}
/* Historical partners keep their genuine colors, including without hover. */
.r50-partner-previous_sponsors .r50-logo-space img{
  filter:none;opacity:1
}