/* Kate Pincott — shared site navigation.
   Linked by every page; uses the shared colour tokens from ds/theme.css.
   Change the nav once here and it updates site-wide. */

nav.top{display:flex;justify-content:space-between;align-items:center;line-height:1;padding-bottom:8px;margin-bottom:96px}
nav.top .brand{font-family:var(--font-display);font-weight:500;font-size:15px;letter-spacing:-0.005em;transition:font-weight .35s ease}
nav.top .brand a{color:var(--fg);text-decoration:none}
nav.top .brand .dot{color:var(--accent)}
nav.top .brand:hover{font-weight:600}
nav.top ul{list-style:none;display:flex;align-items:center;gap:28px;margin:0;padding:0;font-size:13.5px}
nav.top a{color:var(--fg-mute);text-decoration:none;font-weight:400;border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease,font-weight .35s ease}
nav.top a:hover{color:var(--accent)}
nav.top a:not(.contact-cta):hover{font-weight:600}
nav.top a.contact-cta{display:inline-block;background:var(--fg);color:var(--bg);padding:7px 16px;border-radius:4px;border-bottom:none;transition:border-radius .18s ease-out,background-color .18s ease,color .18s ease}
nav.top a.contact-cta:hover{background:var(--accent);color:var(--bg);border-radius:999px}
nav.top a.current{color:var(--fg);font-weight:600;border-bottom-color:var(--accent)}nav.top a.current:hover{color:var(--accent)}

/* mobile slide-in menu */
.nav-toggle{display:none;position:relative;z-index:60;width:44px;height:44px;margin:-10px -10px -10px 0;padding:0;border:0;background:transparent;color:var(--fg);cursor:pointer}
.nav-toggle span{display:block;width:22px;height:1.5px;margin:5px auto;background:currentColor;transition:transform .3s cubic-bezier(.2,.7,.2,1),opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.nav-backdrop{position:fixed;inset:0;z-index:40;background:oklch(0.22 0.012 60 / 0.32);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.nav-backdrop.open{opacity:1;visibility:visible}

@media (max-width:720px){
  nav.top{align-items:center;flex-wrap:nowrap;position:sticky;top:0;z-index:55;background:var(--bg);margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);padding-left:calc(50vw - 50%);padding-right:calc(50vw - 50%);padding-top:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  nav.top ul{position:fixed;top:0;right:0;bottom:0;width:min(78vw,300px);flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:4px;margin:0;padding:88px 32px 40px;background:var(--surface);border-left:1px solid var(--line);box-shadow:-24px 0 60px -28px rgba(0,0,0,.45);font-size:16px;transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.7,.2,1);z-index:50;overflow-y:auto}
  nav.top ul.open{transform:translateX(0)}
  nav.top li{width:100%}
  nav.top a{display:block;width:100%;padding:12px 0;font-size:18px}
  nav.top a.contact-cta{display:inline-block;width:auto;margin-top:12px;padding:10px 20px}
  body.nav-open{overflow:hidden}
}