/* ── BorneoCR — Unified Header/Nav CSS ─────────────────────────────────────
   Single source of truth. Referenced by all pages via:
   <link rel="stylesheet" href="/css/borneo-nav.css">
   ─────────────────────────────────────────────────────────────────────────── */

/* Dropdown (shared with inline style on old pages, now canonical here) */
.site-header .nav-dropdown{display:none;position:absolute;top:100%;left:0;min-width:540px;background:rgba(8,10,19,0.98);border:1px solid rgba(25,107,146,0.18);border-radius:12px;padding:16px;z-index:1000;box-shadow:0 8px 32px rgba(0,0,0,0.4)}
.site-header .nav-dropdown-wrap:hover>.nav-dropdown{display:block}
.nav-dropdown-wrap--closed>.nav-dropdown{display:none!important}
.nav-dropdown-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.site-header .nav-dropdown-wrap:hover>.nav-link .ms{transform:rotate(180deg);transition:transform .2s}
.nav-dd-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;text-decoration:none;color:rgba(255,255,255,0.75);transition:.15s;font-size:13px}
.nav-dd-item:hover{background:rgba(25,107,146,0.15);color:#fff}
.nav-dd-icon{font-size:18px!important;color:var(--cyan,#00f0ff)!important;flex-shrink:0!important}
/* Override stale per-page icon color */
.site-header .nav-dd-icon,.nav-dropdown-grid .nav-dd-item .nav-dd-icon,.nav-dropdown-grid .nav-dd-item span.nav-dd-icon{color:var(--cyan,#00f0ff)!important;font-size:18px!important}

.nav-dd-item strong{display:block;font-weight:600;font-size:13px;color:#fff;line-height:1.3}
.nav-dd-item span{font-size:11px;color:rgba(255,255,255,0.45);line-height:1.3}
.nav-dd-footer{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding-top:12px;border-top:1px solid rgba(25,107,146,0.15);font-size:12px}
.nav-dd-footer a{color:var(--cyan,#00f0ff);text-decoration:none;font-weight:600}
.nav-dd-footer a:hover{text-decoration:underline}
.nav-dd-sectors{color:rgba(255,255,255,0.35)}
.nav-dd-sectors a{color:rgba(255,255,255,0.5);text-decoration:none}
.nav-dd-sectors a:hover{color:#fff}

/* Desktop layout */
.site-header{display:flex!important;align-items:center;gap:0;padding:0 32px;height:64px;background:rgba(8,10,19,0.96);border-bottom:1px solid var(--border,rgba(25,107,146,0.18));position:sticky!important;top:0;z-index:1000;backdrop-filter:blur(14px)}
.site-header .logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;margin-right:24px}
.site-header .site-nav{display:flex;align-items:center;gap:2px;flex:1}
.site-header .nav-dropdown-wrap{position:relative}
.site-header .nav-link{color:rgba(255,255,255,0.65);font-size:13px;font-weight:500;padding:6px 13px;border-radius:7px;text-decoration:none;transition:.18s;white-space:nowrap;letter-spacing:-.1px;font-family:inherit}
.site-header .nav-link:hover{color:#fff;background:rgba(255,255,255,0.05)}
.site-header .nav-link.active{color:#00f0ff;background:rgba(0,240,255,0.07);font-weight:600}
.site-header .nav-sep{width:1px;height:20px;background:rgba(25,107,146,0.35);margin:0 8px;flex-shrink:0}
.site-header .nav-right{display:flex;align-items:center;gap:2px}
.site-header .header-cta{margin-left:auto;flex-shrink:0;display:flex;align-items:center;gap:8px}
.btn-header-cta{background:linear-gradient(135deg,#196B92,#2F5496);color:#fff!important;box-shadow:0 4px 14px rgba(25,107,146,.35);font-weight:700;padding:8px 18px;border-radius:8px;font-size:13px;border:none;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:6px;transition:.18s;text-decoration:none}
.btn-header-cta:hover{opacity:.92;color:#fff!important}
.site-header .nav-toggle{display:none;background:none;border:1px solid rgba(25,107,146,0.35);border-radius:7px;color:rgba(255,255,255,0.65);cursor:pointer;padding:5px 7px;margin-left:12px;line-height:1}

/* Tablet ≤ 900px */
@media(max-width:900px){.site-header{padding:0 20px}}
@media(max-width:900px){.site-header .nav-dropdown{min-width:calc(100vw - 40px)!important;left:auto!important;right:-20px!important}}

/* Tablet 769–1024px */
@media(min-width:769px) and (max-width:1024px){.site-header{padding:0 24px}}

/* Mobile < 769px — fullscreen overlay menu */
@media(max-width:768px){
  /* backdrop-filter removed: traps position:fixed children inside 64px header */
  .site-header{padding:0 20px;backdrop-filter:none}
  /* X button: visible above overlay */
  /* Header bar visible above overlay: logo left · X right */
  .site-header.nav-open{border-bottom:1px solid rgba(0,240,255,0.18)!important}
  .site-header.nav-open .nav-toggle{color:#fff!important;border:2px solid rgba(255,255,255,0.55)!important;background:rgba(255,255,255,0.12)!important;border-radius:8px;margin-left:auto}
  /* Full-screen overlay */
  .site-header .site-nav{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#080a13;flex-direction:column;align-items:stretch;justify-content:flex-start;padding:72px 0 48px;gap:0;z-index:999;overflow-y:auto}
  .site-header.nav-open .site-nav{display:flex!important}
  .site-header .nav-toggle{display:flex;align-items:center;justify-content:center;position:relative;z-index:1001}
  .site-header .header-cta{display:none}
  /* Accordion dropdowns */
  .site-header .nav-dropdown-wrap{position:static!important;width:100%;display:flex!important;flex-direction:column;align-items:stretch}
  .site-header .nav-dropdown-wrap>.nav-link{display:flex!important;justify-content:center;align-items:center;gap:8px;width:100%;padding:16px 24px!important;margin:0;border-radius:0}
  .site-header .nav-dropdown{display:none!important;position:static!important;min-width:unset!important;left:auto!important;right:auto!important;transform:none!important;width:100%;margin:0 0 4px;box-shadow:none;border-radius:0;padding:4px 12px 12px;background:rgba(255,255,255,.03);border:none;border-top:1px solid rgba(25,107,146,.12)}
  .site-header .nav-dropdown::before{display:none!important}
  .site-header .nav-dropdown-wrap.mobile-open>.nav-dropdown{display:block!important}
  .site-header .nav-dropdown-wrap.mobile-open>.nav-link .ms{transform:rotate(180deg)!important;transition:transform .2s}
  .nav-dropdown-grid{grid-template-columns:1fr!important}
  .nav-dd-footer{flex-direction:column;gap:6px;font-size:11px}
  .nav-dd-sectors{display:none}
  /* Nav links: full-width, centered text */
  .site-header .nav-link{font-size:22px;font-weight:600;padding:16px 24px;width:100%;text-align:center;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,0.85);letter-spacing:-.3px;border-radius:0;background:transparent!important}
  .site-header .nav-link.active{color:#00f0ff;background:transparent!important}
  .site-header .nav-link:hover,.site-header .nav-link:active{color:#fff;background:rgba(255,255,255,0.04)!important}
  /* nav-right with top divider */
  .site-header .nav-right{display:flex;flex-direction:column;align-items:stretch;width:100%;margin-top:8px;padding-top:8px;border-top:1px solid rgba(25,107,146,0.2);gap:0}
  .site-header .nav-sep{display:none}
  .site-header .nav-right .nav-link{font-size:17px;color:rgba(255,255,255,0.55)}
  /* Keep CTA and lang-switcher hidden when nav is open (they clutter the 64px header bar) */
  .site-header.nav-open .header-cta{display:none!important}
  .site-header.nav-open .lang-switcher{display:none!important}
}