/* =========================================================
   HEADER / TOP BAR / NAVIGATION
   ========================================================= */

.topbar{
  background:var(--color-primary);
  color:#fff;
  font-size:.82rem;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:center;
  padding-top:9px;
  padding-bottom:9px;
}
.topbar-brand{
  font-family:var(--font-display);
  font-weight:700;
  font-size:.85rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:#fff;
}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:#fff;
  border-bottom:1px solid var(--color-border);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  padding-bottom:14px;
  gap:20px;
}

.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:48px; width:auto; }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text .brand-name{
  font-family:var(--font-display);
  font-weight:700;
  font-size:.95rem;
  color:var(--color-text);
  display:flex;
  flex-direction:column;
  line-height:1.25;
}
.brand-text .brand-name .bn-top{ letter-spacing:.02em; }
.brand-text .brand-name .bn-bottom{ color:var(--color-gold); font-size:.85em; letter-spacing:.06em; }
.brand-text .brand-tag{ font-size:.72rem; color:var(--color-text-muted); }

.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{
  font-weight:500;
  font-size:.95rem;
  color:var(--color-text);
  position:relative;
  padding:6px 0;
}
.main-nav a:hover, .main-nav a.active{ color:var(--color-primary); }
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:100%; height:2px;
  background:var(--color-primary);
}

.header-actions{ display:flex; align-items:center; gap:14px; }
.icon-btn{
  width:40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  border-radius:50%;
  border:1px solid var(--color-border);
  font-size:1rem;
  color:var(--color-text);
  transition:var(--transition);
}
.icon-btn:hover{ border-color:var(--color-primary); color:var(--color-primary); }

.nav-toggle{
  display:none;
  width:40px; height:40px;
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  background:#fff;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
}

@media (max-width:980px){
  .main-nav{
    position:fixed;
    top:0; right:0;
    height:100vh;
    width:78%;
    max-width:320px;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    padding:90px 28px 28px;
    gap:20px;
    box-shadow:var(--shadow-lg);
    transform:translateX(100%);
    transition:transform .3s ease;
  }
  .main-nav.open{ transform:translateX(0); }
  .nav-toggle{ display:flex; }
  .brand-text .brand-tag{ display:none; }
}