:root{--blue:#408EBF;--blue-dark:#357aa6;--gold:#EDCC15;--teal:#00CEA6;--dark:#121217;--gray:#7A7A7A;--bg:#EEF0F0;--navy:#17375E}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:'Inter',sans-serif;color:var(--gray);background:#fff;line-height:1.6}
h1,h2,h3,h4{font-family:'Inter',sans-serif;font-weight:900;color:var(--dark);letter-spacing:-.5px}
a{text-decoration:none;color:inherit}
.arc-wrap{max-width:1220px;margin:0 auto;padding:0 22px}
/* Header */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 6px 22px rgba(18,18,23,.08);border-radius:0 0 20px 20px}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:84px}
.arc-logo svg{display:block}
.arc-nav{display:flex;gap:24px;align-items:center;font-weight:700;font-size:15.5px;color:var(--dark);list-style:none;margin:0;padding:0}
.arc-nav a{color:var(--dark)}.arc-nav a:hover{color:var(--blue)}
.arc-nav .current-menu-item>a{color:var(--blue)}
.book-btn{background:var(--blue);color:#fff!important;font-weight:800;padding:14px 26px;border-radius:999px;font-size:15px}
.book-btn:hover{background:var(--blue-dark)}
.menu-toggle{display:none}
/* Footer */
.site-footer{background:var(--dark);color:#aeb6bd;padding:52px 0 24px;font-size:14.5px;margin-top:0}
.site-footer h4{color:#fff;font-size:16px;margin:0 0 14px}
.site-footer a{color:#aeb6bd;display:block;padding:4px 0}.site-footer a:hover{color:var(--gold)}
.foot-cols{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .arc{font-weight:900;font-size:20px;color:#fff}.foot-brand .arc b{color:var(--gold)}
.copyright{text-align:center;padding-top:20px;font-size:13px;color:#7d868d}
@media(max-width:900px){.arc-nav{display:none}.menu-toggle{display:block;font-size:26px;background:none;border:none}.foot-cols{grid-template-columns:1fr 1fr}}

/* dropdown submenus */
.arc-nav li.has-sub{position:relative}
.arc-nav .sub{position:absolute;top:100%;left:0;background:#fff;box-shadow:0 14px 34px rgba(18,18,23,.16);border-radius:12px;padding:8px;min-width:230px;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;z-index:200}
.arc-nav li.has-sub:hover .sub{opacity:1;visibility:visible;transform:translateY(0)}
.arc-nav .sub li{display:block;margin:0}
.arc-nav .sub a{display:block;padding:9px 14px;border-radius:8px;font-size:14.5px;font-weight:600;white-space:nowrap;color:var(--dark)}
.arc-nav .sub a:hover{background:var(--bg);color:var(--blue)}
/* mobile menu */
@media(max-width:900px){
  .arc-nav{display:none;position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 16px 18px;box-shadow:0 16px 34px rgba(18,18,23,.14);border-radius:0 0 16px 16px;gap:2px}
  .arc-nav.open{display:flex}
  .arc-nav>li{width:100%;border-bottom:1px solid #eef0f0}
  .arc-nav>li>a{display:block;padding:13px 4px;font-size:16px}
  .arc-nav .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;padding:0 0 8px 14px;display:none;min-width:0}
  .arc-nav .has-sub.open-sub .sub{display:block}
  .menu-toggle{display:block;order:3}
}