#header-group:has(.atl-header){position:sticky;top:0;z-index:30;flex-shrink:0}#header-group:has(.atl-header--overlay){margin-bottom:calc(-1 * (var(--atl-space-8) + var(--atl-space-4)))}.atl-header{display:block;background:var(--atl-ink);color:var(--atl-paper);border-bottom:var(--atl-border-dark);font-family:var(--atl-font-body);font-size:var(--atl-font-size-body-sm);line-height:var(--atl-leading-body);transition:background-color var(--atl-duration-base) var(--atl-ease-standard)}.atl-header--overlay:not([data-scrolled]):not(:has(details[open])){background:transparent;border-bottom-color:transparent}.atl-header__inner{max-width:var(--atl-container);height:calc(var(--atl-space-8) + var(--atl-space-4));padding-inline:var(--atl-container-pad);margin-inline:auto;display:flex;align-items:center;gap:var(--atl-space-6)}.atl-header a{color:inherit;text-decoration:none}.atl-header a:hover{text-decoration:underline;text-underline-offset:var(--atl-space-1)}.atl-header :is(a,summary,button):focus-visible{outline:2px solid var(--atl-accent);outline-offset:var(--atl-space-1)}.atl-header__brand{flex-shrink:0;display:flex;align-items:center}.atl-header__logo{height:var(--atl-space-6);width:auto;max-width:200px;object-fit:contain}.atl-header__desktop{flex:1;display:flex;align-items:center;gap:var(--atl-space-6);height:100%}.atl-header__menu{height:100%;position:relative}.atl-header summary{list-style:none;cursor:pointer}.atl-header details>summary,.atl-header details[open]>summary{color:var(--atl-paper)}.atl-header summary::-webkit-details-marker{display:none}.atl-header__menu>summary{display:flex;align-items:center;gap:var(--atl-space-2);height:100%}.atl-header__chevron{display:inline-block;width:var(--atl-space-2);height:var(--atl-space-2);border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);margin-top:calc(-1 * var(--atl-space-1))}.atl-header details[open]>summary>.atl-header__chevron{transform:rotate(225deg);margin-top:var(--atl-space-1)}.atl-header__panel{position:absolute;top:100%;left:calc(-1 * var(--atl-space-5));min-width:240px;max-width:calc(100vw - var(--atl-space-8));padding:var(--atl-space-5);background:var(--atl-ink);color:var(--atl-paper);border:var(--atl-border-dark)}.atl-header__panel--speakers{display:grid;grid-template-columns:repeat(3,max-content);gap:var(--atl-space-7)}.atl-header__panel h2{font-family:var(--atl-font-display);font-size:var(--atl-font-size-body-lg);font-weight:var(--atl-weight-display);letter-spacing:var(--atl-tracking-display);margin:0 0 var(--atl-space-4);color:var(--atl-paper);white-space:nowrap}.atl-header ul{list-style:none;margin:0;padding:0}.atl-header__panel li+li{margin-top:var(--atl-space-3)}.atl-header__panel a{color:var(--atl-paper-text-2);display:block}.atl-header__panel a:hover{color:var(--atl-paper)}.atl-header__actions{display:flex;align-items:center;gap:var(--atl-space-2);margin-left:auto}.atl-header__icon{display:inline-flex;align-items:center;justify-content:center;width:var(--atl-control-height);height:var(--atl-control-height);position:relative;flex-shrink:0}.atl-header__icon svg{width:var(--atl-text-h4);height:var(--atl-text-h4)}.atl-header__count{position:absolute;inset-block-start:0;inset-inline-end:0;font-size:var(--atl-text-caption);line-height:1}.atl-header__count[hidden],.atl-header__mobile,.atl-header__close{display:none}@media(max-width:989px){#header-group:has(.atl-header--overlay){margin-bottom:calc(-1 * var(--atl-space-8))}.atl-header__inner{height:var(--atl-space-8);padding-inline:var(--atl-space-4);gap:var(--atl-space-2)}.atl-header__desktop{display:none}.atl-header__actions{gap:0}.atl-header__logo{max-width:128px;height:auto;max-height:var(--atl-space-6)}.atl-header__icon{width:var(--atl-control-height-sm);height:var(--atl-control-height)}.atl-header__mobile{display:block}.atl-header__menu-glyph,.atl-header__menu-glyph:before,.atl-header__menu-glyph:after{display:block;width:var(--atl-text-h4);height:1px;background:currentColor;position:relative}.atl-header__menu-glyph:before,.atl-header__menu-glyph:after{content:"";position:absolute}.atl-header__menu-glyph:before{top:calc(-1 * var(--atl-space-2))}.atl-header__menu-glyph:after{top:var(--atl-space-2)}.atl-header__drawer{position:absolute;inset-inline:0;top:100%;height:calc(100dvh - var(--atl-space-8));overflow-y:auto;overscroll-behavior:contain;padding:var(--atl-space-5) var(--atl-space-6) var(--atl-space-8);background:var(--atl-ink);color:var(--atl-paper);border-top:var(--atl-border-dark)}.atl-header:defined .atl-header__close{display:flex;align-items:center;justify-content:flex-end;gap:var(--atl-space-2);padding:0;min-height:var(--atl-control-height);margin-left:auto;background:none;border:0;color:inherit;font:inherit;cursor:pointer}.atl-header__close svg{width:var(--atl-text-h4);height:var(--atl-text-h4)}.atl-header__mobile-group{border-bottom:var(--atl-border-dark)}.atl-header__mobile-group>summary,.atl-header__mobile-about{min-height:var(--atl-space-8);display:flex;align-items:center;justify-content:space-between;font-family:var(--atl-font-display);font-size:var(--atl-text-h3)}.atl-header__mobile-subgroup>summary{min-height:var(--atl-control-height);display:flex;align-items:center;justify-content:space-between;font-size:var(--atl-font-size-body-lg)}.atl-header__drawer ul{padding-bottom:var(--atl-space-4)}.atl-header__drawer li a{display:flex;align-items:center;min-height:var(--atl-control-height);color:var(--atl-paper-text-2)}}@media(prefers-reduced-motion:reduce){.atl-header{transition:none}}
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