header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: rgba(246, 250, 255, 0.9);
  border-bottom: 1px solid rgba(95, 112, 146, 0.2);
}

.nav { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; gap: 20px; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo { height: 56px; width: auto; display: block; }

nav { position: relative; }

nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 20px;
  color: var(--muted);
  font-size: 14px;
}

nav a {
  border-radius: 8px;
  padding: 6px 8px;
  transition: color .2s ease, background-color .2s ease;
}

nav a:hover,
nav a:focus-visible,
nav a.current {
  color: var(--text);
  background: rgba(47, 109, 255, 0.12);
  outline: none;
}

.nav-item.dropdown { position: relative; }
.dropdown-toggle::after {
  content: "▾";
  font-size: 0.8em;
  margin-left: 8px;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 300px;
  padding: 8px;
  display: none;
  flex-direction: column;
  gap: 2px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 16px 34px rgba(38, 67, 122, 0.15);
  z-index: 80;
}

.dropdown-menu li { margin: 0; }

.dropdown-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text);
}

.nav-item.dropdown:hover .dropdown-menu,
.nav-item.dropdown:focus-within .dropdown-menu {
  display: flex;
}

.btn {
  border: 1px solid transparent;
  background: linear-gradient(90deg, var(--accent), #5877ff);
  color: #fff;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(47, 109, 255, 0.28); filter: saturate(1.08); }

.btn.alt {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}

.btn.alt:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 8px 16px rgba(47, 109, 255, 0.12); }

.btn.large { padding: 16px 28px; font-size: 1.05rem; }

.nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-actions .btn { padding: 10px 14px; font-size: 14px; white-space: nowrap; }

.badge {
  font-size: 12px;
  color: #032436;
  background: linear-gradient(90deg, #8cecff, #7cf2be);
  padding: 4px 8px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.mobile-services-dropdown { border-radius: 8px; }
.mobile-services-dropdown summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text);
}

.mobile-services-dropdown summary::-webkit-details-marker { display: none; }
.mobile-services-dropdown summary::after { content: "▾"; float: right; font-size: 0.8em; }
.mobile-services-dropdown[open] summary::after { content: "▴"; }
.mobile-services-dropdown > a { display: block; margin-left: 10px; }

@media (max-width: 900px) {
  .dropdown-menu { display: none !important; }
}