/* ============================================================
   PALMA — Header & Navigation
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: var(--z-header);
  transition: all var(--transition-base);
  background: transparent;
}

.site-header.scrolled {
  background: rgba(11, 17, 32, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* ---- Logo ---- */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  align-self: center;
}
.logo img {
  height: 30px;
  width: auto;
}
.logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.logo-text span {
  color: var(--color-primary);
}

/* ---- Desktop Nav ---- */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
  background: rgba(255,255,255,0.05);
}

.nav-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

/* ---- Dropdown ---- */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.dropdown a:hover {
  color: var(--color-text);
  background: rgba(255,255,255,0.05);
}

/* ---- Header CTA ---- */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ---- Language Switcher ---- */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}
.lang-btn:hover {
  border-color: rgba(255,255,255,0.15);
  color: var(--color-text);
}
.lang-btn.active {
  border-color: var(--color-primary);
  background: rgba(6,182,212,0.1);
  color: var(--color-primary);
}
.lang-btn img {
  border-radius: 2px;
  display: block;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}
.header-phone svg { width: 16px; height: 16px; color: var(--color-primary); }

/* ---- Hamburger ---- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: calc(var(--z-overlay) + 1);
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Mobile Overlay ---- */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: var(--z-overlay);
}
.nav-overlay.active { display: block; }

/* ---- Mobile Drawer ---- */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: var(--color-surface);
  z-index: calc(var(--z-overlay) + 1);
  padding: calc(var(--header-height) + var(--space-4)) var(--space-6) var(--space-6);
  overflow-y: auto;
  transition: right var(--transition-slow);
}
.mobile-nav.active { right: 0; }

.mobile-nav-item {
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.mobile-dropdown {
  display: none;
  padding-bottom: var(--space-3);
}
.mobile-dropdown.active { display: block; }

.mobile-dropdown a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}
.mobile-dropdown a:hover { color: var(--color-primary); }

.mobile-nav-cta {
  margin-top: var(--space-6);
}
.mobile-nav-cta .btn { width: 100%; justify-content: center; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .main-nav,
  .header-cta .btn,
  .header-phone { display: none; }
  .hamburger { display: flex; }
}