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/* Supporting links stay in the footer; the main page remains short. */
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.brain-demo{height:700px}.demo-caption a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}@media(max-width:760px){.brain-demo{height:660px}}

/* A static, faint network keeps the hero quiet and costs no animation frames. */
.hero{position:relative;isolation:isolate}
.hero::before{content:"";position:absolute;z-index:-1;pointer-events:none;left:50%;top:-36px;bottom:-12px;width:min(1440px,calc(100vw - 20px));transform:translateX(-50%);background:url('assets/hero-network.svg') center/100% 100% no-repeat;opacity:.55}
@media(max-width:760px){.hero::before{top:-18px;bottom:0;opacity:.34}}