/* HEADER / NAVBAR */
.topbar{
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 1000;
  background:
    radial-gradient(1000px 200px at 10% 0%, rgba(99,102,241,.35), transparent 60%),
    radial-gradient(900px 200px at 60% 0%, rgba(236,72,153,.25), transparent 60%),
    rgba(255,255,255,.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,.1);
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}

.container{
  height: 100%;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand{
  font: 700 20px/1 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  text-decoration: none;
  color: transparent;
  background: linear-gradient(90deg, #3b82f6, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  white-space: nowrap;
  margin-left: 4px;
}

.right-side{
  display: flex;
  align-items: center;
  gap: 16px;
  margin-right: 4px;
}

.nav{
  display: flex;
  gap: 16px;
}

.nav a{
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  color: #475569;
  transition: color .2s, text-shadow .2s, transform .15s, opacity .15s;
}

.nav a:visited{
  color: #475569;
}

.nav a:hover{
  color: #2563eb;
  text-shadow: 0 0 8px rgba(37,99,235,.7);
  opacity: .9;
  transform: translateY(-1px);
}

.nav a.active{
  color: #2563eb;
  text-shadow: 0 0 8px rgba(37,99,235,.7);
  opacity: .95;
  font-weight: 700;
  transform: none;
}

.contact{
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact img{
  border-radius: 6px;
  transition: transform .15s;
}

.contact img:hover{
  transform: scale(1.08);
}

.phone{
  font-size: 14px;
  white-space: nowrap;
  color: #0f172a;
}

.lang-switch{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid rgba(0,0,0,.06);
  padding: 6px 10px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.lang-switch button{
  background: transparent;
  border: none;
  padding: 4px 8px;
  cursor: pointer;
  font-weight: 700;
  color: #0f172a;
  transition: all 0.2s ease;
}

.lang-switch button.active{
  color: #fff;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 6px;
}