/* Three-part fixed navigation and source Two26 scribble / magnetic CTA treatments. */
.zs-reference-header{position:fixed;inset:0 0 auto;z-index:100;padding:22px 26px;pointer-events:none}
.zs-reference-nav{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:20px;max-width:1920px;margin:auto}
.zs-reference-left{justify-self:start}.zs-reference-right{justify-self:end}
.zs-reference-header a{pointer-events:auto;text-decoration:none;-webkit-tap-highlight-color:transparent}
.zs-reference-brand{display:flex;align-items:center;justify-content:center;gap:10px;color:#f4f8ff;font-size:25px;font-weight:600;letter-spacing:-.04em;line-height:1;filter:drop-shadow(0 2px 8px #0008)}
.zs-reference-brand img{width:34px;height:34px;border-radius:9px;flex-shrink:0}
.zs-about-button{display:flex;position:relative;isolation:isolate;align-items:center;justify-content:center;min-height:44px;padding:11px 25px;border-radius:50px;background:#e5f0fbef;border:1px solid #e4f2ff22;box-shadow:0 4px 20px #0001;color:#091728;overflow:hidden;font-size:15px;font-weight:600;line-height:20px}
.zs-about-copy{position:relative;z-index:2}.zs-about-stroke{position:absolute;inset:0;z-index:1;color:#edc774;pointer-events:none}.zs-about-stroke svg{display:block;width:100%;height:100%;overflow:visible}.zs-about-stroke path{stroke-width:0}
.zs-talk-button{position:relative;isolation:isolate;display:flex;align-items:center;gap:18px;min-height:44px;padding:4px 4px 4px 22px;background:#030b16ed;color:#f1f5fc;border-radius:50px;border:1px solid #739cc52e;font-size:14px;line-height:20px;overflow:hidden;box-shadow:0 4px 20px #0002}
.zs-talk-copy{position:relative;z-index:2}.zs-talk-arrow-disc{display:grid;place-items:center;position:relative;z-index:2;width:36px;height:36px;border-radius:50%;flex-shrink:0;background:#edc774;color:#091728}.zs-talk-arrow{display:block;transform-origin:center}
.zs-talk-fill{position:absolute;z-index:1;right:4px;width:36px;height:36px;border-radius:50%;background:#245581;pointer-events:none}
.zs-reference-header a:focus-visible{outline:2px solid #f0ce83;outline-offset:5px}
@media(max-width:767px){.zs-reference-header{padding:16px 18px}.zs-reference-nav{gap:12px}.zs-reference-brand{font-size:20px;gap:7px}.zs-reference-brand img{width:29px;height:29px;border-radius:8px}.zs-about-button{font-size:13px;padding:10px 18px;min-height:42px}.zs-talk-button{gap:10px;padding-left:16px;font-size:12px;min-height:42px}.zs-talk-arrow-disc,.zs-talk-fill{width:32px;height:32px}}
@media(max-width:420px){.zs-reference-header{padding:12px}.zs-reference-nav{gap:7px}.zs-reference-brand{font-size:17px;gap:5px}.zs-reference-brand img{width:25px;height:25px;border-radius:7px}.zs-about-button{padding:10px 14px;font-size:12px}.zs-talk-button{gap:8px;padding-left:12px;font-size:11px}}
@media(prefers-reduced-motion:reduce){.zs-about-button:hover,.zs-about-button:focus-visible{background:#edc774}.zs-talk-button:hover,.zs-talk-button:focus-visible{background:#245581}.zs-reference-header *{animation:none!important;transition:none!important}}
/* Keep native document scrolling and fixed navigation; Lenis only smooths input. */
html.lenis,html.lenis body{height:auto}
html.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-stopped{overflow:hidden}

/* Hero CTA reuses About's pill and drawn hover; no legacy rolling-text interaction. */
.banner-button-wrap .zs-hero-download{display:inline-flex;min-height:56px;padding:16px 28px;border-radius:999px;background:#e5f0fb;color:#091728;font-size:16px;font-weight:600;line-height:22px;box-shadow:0 5px 24px #0002}
.banner-button-wrap .zs-hero-download:focus-visible{outline:2px solid #edc774;outline-offset:5px}
@media(max-width:767px){.banner-button-wrap .zs-hero-download{min-height:50px;padding:13px 25px;font-size:15px}}
@media(prefers-reduced-motion:reduce){.banner-button-wrap .zs-hero-download:hover,.banner-button-wrap .zs-hero-download:focus-visible{background:#edc774}}

/* Unequal side buttons must not overflow the symmetric desktop columns on phones. */
@media(max-width:767px){
 .zs-reference-header{box-sizing:border-box;width:100%;max-width:100%;padding:14px 12px}
 .zs-reference-nav{grid-template-columns:auto minmax(0,1fr) auto;gap:8px;width:100%;min-width:0}
 .zs-reference-left,.zs-reference-right,.zs-reference-brand{min-width:0}
 .zs-reference-brand{justify-self:center;white-space:nowrap}
 .zs-reference-header .zs-about-button{padding:10px 14px}
 .zs-reference-header .zs-talk-button{gap:6px;padding-left:10px;white-space:nowrap}
}
@media(max-width:359px){
 .zs-reference-header{padding:12px 10px}
 .zs-reference-nav{gap:6px}
 .zs-reference-brand{font-size:16px;gap:4px}
 .zs-reference-brand img{width:23px;height:23px;border-radius:6px}
 .zs-reference-header .zs-about-button{padding:10px 12px;font-size:11px;min-height:40px}
 .zs-reference-header .zs-talk-button{font-size:10px;gap:4px;padding:4px 4px 4px 8px;min-height:40px}
 .zs-reference-header .zs-talk-arrow-disc,.zs-reference-header .zs-talk-fill{width:28px;height:28px}
}