.home-hero .hero-motion{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;opacity:0;transition:opacity .7s ease;pointer-events:none}
.home-hero .hero-motion.is-playing{opacity:1}
.hero-video-toggle{position:absolute;right:var(--gutter);bottom:22px;z-index:2;display:inline-flex;align-items:center;justify-content:center;gap:11px;min-height:44px;padding:10px 14px;border:1px solid #ffffff80;background:#12213f99;color:white;font:400 14px/22px var(--sans);cursor:pointer;border-radius:0}
.hero-video-toggle:hover{background:#12213fde;border-color:white}
.hero-video-toggle:focus-visible{outline:3px solid white;outline-offset:4px}
.hero-video-toggle[hidden]{display:none!important}
.hero-control-icon{display:inline-block;width:12px;height:12px;border-inline:4px solid currentColor;flex:none}
.hero-video-toggle.is-paused .hero-control-icon{width:0;height:0;border:0;border-block:7px solid transparent;border-left:11px solid currentColor;margin-right:1px}
@media(max-width:767px){.hero-video-toggle{right:20px;bottom:16px;padding:9px 12px;font-size:13px;gap:9px}.home-hero .scroll-cue{left:28px;transform:none}}
@media(prefers-reduced-motion:reduce){.home-hero .hero-motion{transition:none}}
@media print{.hero-motion,.hero-video-toggle{display:none!important}}
/* Keep the principal research entrance visible on shorter laptop viewports. */
@media(min-width:768px) and (max-height:800px){.home .home-hero{min-height:100svh;padding-top:calc(var(--header-height) + 35px);padding-bottom:75px}.home .home-hero .eyebrow{margin-bottom:18px}.home .home-hero h1{font-size:clamp(52px,4.6vw,72px);line-height:1.05;margin-bottom:20px}.home .home-hero .prose{font-size:20px;line-height:30px}.home .home-hero .button{margin-top:24px}}