:root{--shell-ink:#0b1728;--shell-navy:#071422;--shell-blue:#67d3f6;--shell-muted:#b9c9d5;--shell-focus:#f0a000;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--shell-ink);font-synthesis:none}
html,body{margin:0}
html{box-sizing:border-box}
*,*::before,*::after{box-sizing:inherit}
body,button,input,select,textarea{font-family:inherit}
a{color:inherit;text-underline-offset:.2em}
:focus-visible{outline:3px solid var(--shell-focus);outline-offset:3px}
.site-header{position:sticky;z-index:10;top:0;display:flex;align-items:center;gap:28px;padding:14px 5%;border-bottom:1px solid #263c55;color:#eef7fb;background:var(--shell-navy)}
.site-header .brand{display:flex;align-items:center;gap:12px;margin-right:auto;color:inherit;text-decoration:none;font-size:19px;font-weight:650;letter-spacing:.01em}
.site-header .brand img{width:46px;height:46px;object-fit:cover;border-radius:50%;background:#fff}
.site-header .site-nav{display:flex;align-items:center;gap:clamp(14px,2vw,28px);color:var(--shell-muted)}
.site-header .site-nav a{display:inline-flex;align-items:center;min-height:24px;color:inherit;text-decoration:none}
.site-header .site-nav a:hover,.site-header .site-nav a[aria-current="page"]{color:var(--shell-blue)}
.site-header .nav-toggle{display:none;align-items:center;gap:.55rem;min-width:44px;min-height:44px;padding:.45rem .7rem;color:#fff;border:1px solid #91a8b8;background:transparent;font:inherit;cursor:pointer}
.site-header .nav-toggle-icon,.site-header .nav-toggle-icon::before,.site-header .nav-toggle-icon::after{display:block;width:1.25rem;height:2px;background:currentColor;content:"";transition:transform .18s ease,opacity .18s ease}
.site-header .nav-toggle-icon{position:relative}
.site-header .nav-toggle-icon::before{position:absolute;top:-.38rem}
.site-header .nav-toggle-icon::after{position:absolute;top:.38rem}
.site-header .nav-toggle[aria-expanded="true"] .nav-toggle-icon{background:transparent}
.site-header .nav-toggle[aria-expanded="true"] .nav-toggle-icon::before{top:0;transform:rotate(45deg)}
.site-header .nav-toggle[aria-expanded="true"] .nav-toggle-icon::after{top:0;transform:rotate(-45deg)}
body .site-header.enterprise-header :is(#phase-a-header-cta,.header-cta){display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 20px;border:1px solid var(--shell-blue);color:var(--shell-navy);background:var(--shell-blue);text-decoration:none;font-weight:600}
.site-footer,body>footer,.article-footer{padding:2rem 7%;color:#d8e4ed;background:#081321;text-align:center;font-size:.8rem}
@media(max-width:1050px){.site-header .header-cta{display:none}}
@media(max-width:860px){body .site-header.enterprise-header{flex-wrap:wrap;gap:12px;height:auto;padding:12px 1rem}body .site-header.enterprise-header .nav-toggle{display:inline-flex;margin-left:0}body .site-header.enterprise-header .header-cta{display:none}body .site-header.enterprise-header .site-nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:4px;margin:0}body .site-header.enterprise-header .site-nav.open{display:flex}body .site-header.enterprise-header .site-nav a{min-height:44px;padding:10px 0}}
@media(prefers-reduced-motion:reduce){.site-header .nav-toggle-icon,.site-header .nav-toggle-icon::before,.site-header .nav-toggle-icon::after{transition:none}}