/* Team TararBari V18.10 — Sponsorship Opportunities */
.tb-sponsor-opportunities{padding-top:30px!important}
.tb-sponsor-opportunity-head{text-align:center;max-width:780px;margin:0 auto 26px}
.tb-sponsor-opportunity-head h2{margin:0 0 8px;font-size:clamp(28px,4vw,42px)}
.tb-sponsor-opportunity-head p{margin:0;color:#9fb2c7;line-height:1.65}
.tb-sponsor-tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:1050px;margin:0 auto}
.tb-sponsor-tier{
 position:relative;overflow:hidden;padding:24px;border-radius:18px;text-align:center;border:1px solid rgba(148,163,184,.18);
 background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.018));box-shadow:0 14px 38px rgba(0,0,0,.16)
}
.tb-sponsor-tier:before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--tb-tier-accent,var(--primary))}
.tb-sponsor-tier-platinum{--tb-tier-accent:#8b5cf6}.tb-sponsor-tier-gold{--tb-tier-accent:#f59e0b}.tb-sponsor-tier-silver{--tb-tier-accent:#94a3b8}
.tb-sponsor-tier-icon{
 width:48px;height:48px;border-radius:13px;margin:0 auto 13px;display:grid;place-items:center;color:white;
 background:color-mix(in srgb,var(--tb-tier-accent) 75%,#101827);font-size:21px;font-weight:900
}
.tb-sponsor-tier h3{margin:0 0 14px;font-size:20px}
.tb-sponsor-tier ul{list-style:none;margin:0;padding:0;text-align:left;display:grid;gap:9px;color:#9fb2c7;font-size:13px}
.tb-sponsor-tier li{position:relative;padding-left:18px}.tb-sponsor-tier li:before{content:"✦";position:absolute;left:0;top:0;color:var(--tb-tier-accent);font-size:10px}
.tb-sponsor-join{padding-top:28px!important}
.tb-sponsor-join-inner{
 max-width:1120px;margin:0 auto;padding:46px 28px;border-radius:20px;text-align:center;color:white;
 background:linear-gradient(110deg,#7c3aed,#c026d3,#db2777);box-shadow:0 20px 60px rgba(124,58,237,.18)
}
.tb-sponsor-join-inner h2{margin:0 0 9px;font-size:clamp(30px,4vw,46px);color:white}
.tb-sponsor-join-inner p{max-width:760px;margin:0 auto 20px;color:rgba(255,255,255,.88);line-height:1.65}
.tb-sponsor-join-btn{
 display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:10px;
 background:white;color:#7c3aed!important;text-decoration:none!important;font-weight:900;box-shadow:0 8px 28px rgba(0,0,0,.16)
}
.tb-sponsor-join-btn:hover{transform:translateY(-2px)}
@media(max-width:800px){.tb-sponsor-tier-grid{grid-template-columns:1fr}}
@media(max-width:520px){.tb-sponsor-join-inner{padding:34px 18px}.tb-sponsor-tier{padding:20px}}