.rir{--rir-gold: #c8a45a;--rir-ink: #17181a;background:#fff}.rir-nav{position:fixed;top:0;left:0;right:0;z-index:20;transition:background .25s var(--ease),box-shadow .25s var(--ease)}.rir-nav.is-scrolled{background:#17181af5;box-shadow:0 2px 18px #0006}.rir-nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;max-width:1280px;margin:0 auto;padding:20px 32px;transition:padding .25s var(--ease)}.rir-nav.is-scrolled .rir-nav__inner{padding-top:12px;padding-bottom:12px}.rir-nav__logo{display:inline-flex}.rir-nav__logo img{height:92px;width:auto;transition:height .25s var(--ease)}.rir-nav.is-scrolled .rir-nav__logo img{height:58px}.rir-nav__cta{display:flex;gap:14px}.rir-nav__btn{display:inline-flex;align-items:center;color:#fff;font-weight:700;font-size:.95rem;letter-spacing:.3px;text-transform:uppercase;padding:12px 24px;border:1.5px solid rgba(255,255,255,.85);border-radius:4px;background:#00000026;transition:background .2s var(--ease),color .2s var(--ease)}.rir-nav__btn:hover{background:#fff;color:var(--rir-ink)}.rir-hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--rir-ink);text-align:center}.rir-hero__video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.rir-hero__scrim{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#00000073,#00000059 40%,#0000008c)}.rir-hero__content{position:relative;z-index:2;color:#fff;padding:120px 24px 90px;max-width:820px}.rir-hero__logo{width:min(560px,82vw);height:auto;margin:0 auto 28px;filter:drop-shadow(0 4px 18px rgba(0,0,0,.5))}.rir-hero__date{color:var(--rir-gold);font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:700;letter-spacing:1px;text-transform:uppercase;margin:0 0 12px}.rir-hero__venue{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;line-height:1.25;margin:0 0 26px;text-shadow:0 2px 14px rgba(0,0,0,.5)}.rir-hero__tag{font-size:clamp(1.15rem,2vw,1.45rem);letter-spacing:.5px;margin:0 0 40px;text-shadow:0 2px 10px rgba(0,0,0,.5)}.rir-hero__scroll{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%;background:#fff;box-shadow:0 8px 24px #00000059;transition:transform .2s var(--ease)}.rir-hero__scroll:hover{transform:translateY(3px)}.rir-hero__scroll span{width:14px;height:14px;border-right:3px solid var(--rir-ink);border-bottom:3px solid var(--rir-ink);transform:rotate(45deg);margin-top:-4px}.rir-actions{background:#fff;padding:70px 0 40px}.rir-actions__row{display:flex;flex-wrap:wrap;justify-content:center;gap:26px;margin-bottom:30px}.rir-actions__row--two{margin-bottom:0}.rir-btn{display:inline-flex;align-items:center;justify-content:center;min-width:240px;padding:16px 30px;background:var(--rir-ink);color:#fff;font-weight:700;font-size:1.05rem;border-radius:6px;transition:background .2s var(--ease),transform .15s var(--ease)}.rir-btn:hover{background:var(--rir-gold);color:var(--rir-ink);transform:translateY(-2px)}.rir-sponsors{background:#fff;padding:40px 0 90px;text-align:center}.rir-sponsors__title{color:var(--rir-gold);font-size:clamp(1.9rem,4vw,2.8rem);font-weight:700;margin:0 0 44px}.rir-sponsors__grid{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:40px 56px}.rir-sponsor img{width:auto;max-width:260px;height:auto;max-height:150px;object-fit:contain}@media (max-width: 820px){.rir-nav__inner{flex-direction:column;gap:16px;padding:18px 20px}.rir-nav__logo img,.rir-nav.is-scrolled .rir-nav__logo img{height:62px}.rir-nav__cta{flex-wrap:wrap;justify-content:center}.rir-nav__btn{padding:10px 16px;font-size:.82rem}.rir-hero__content{padding-top:210px}}@media (max-width: 520px){.rir-btn{min-width:0;width:100%;max-width:320px}}