/* ============================================
   TERRAVANA, NAVBAR (Floating Island)
   ============================================ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  padding: 1.25rem 0;
  transition: all var(--t-base) var(--ease-smooth);
}

.navbar.scrolled {
  padding: 0.5rem 0;
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.75rem clamp(1.5rem, 4vw, 3rem);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
  transition: all var(--t-base) var(--ease-smooth);
}

.navbar.scrolled .navbar-inner {
  border-radius: 0;
  background: transparent;
  backdrop-filter: none;
  border: none;
  box-shadow: none;
  padding: 0.5rem clamp(1.5rem, 4vw, 3rem);
}

/* Logo */
.navbar-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.navbar-logo img {
  height: 32px;
  width: auto;
  transition: transform var(--t-fast) var(--ease-spring);
}

.navbar-logo:hover img {
  transform: scale(1.04);
}

/* Nav Links */
.navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  transition: all var(--t-fast) var(--ease-smooth);
  position: relative;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: width var(--t-fast) var(--ease-spring);
}

.nav-link:hover {
  color: var(--primary-deep);
}

.nav-link:hover::after {
  width: 50%;
}

.nav-link.active {
  color: var(--primary-deep);
  font-weight: 600;
}

.nav-link.active::after {
  width: 50%;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-dropdown-trigger svg {
  width: 12px;
  height: 12px;
  transition: transform var(--t-fast) var(--ease-smooth);
}

.nav-dropdown:hover .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transition: all var(--t-fast) var(--ease-smooth);
  z-index: 100;
}

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

.dropdown-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: var(--radius-sm);
  transition: all var(--t-fast) var(--ease-smooth);
}

.dropdown-link:hover {
  background: var(--accent-light);
  color: var(--primary-deep);
}

/* Nav CTA */
.nav-cta {
  margin-left: 0.75rem;
}

.nav-cta .btn {
  padding: 0.65rem 1.5rem;
  font-size: 0.8125rem;
}

/* ─── Mobile Menu Toggle ─── */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 10002;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary-deep);
  border-radius: 2px;
  transition: all var(--t-fast) var(--ease-spring);
  position: absolute;
}

.mobile-toggle span:nth-child(1) {
  transform: translateY(-7px);
}

.mobile-toggle span:nth-child(2) {
  opacity: 1;
}

.mobile-toggle span:nth-child(3) {
  transform: translateY(7px);
}

.mobile-toggle.active span:nth-child(1) {
  transform: translateY(0) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: translateY(0) rotate(-45deg);
}

/* ─── Mobile Drawer ─── */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  height: 100dvh;
  background: var(--white);
  z-index: 10001;
  display: flex;
  flex-direction: column;
  transition: right var(--t-base) var(--ease-out);
  box-shadow: -16px 0 48px rgba(0, 0, 0, 0.1);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--t-base) var(--ease-smooth);
}

.mobile-drawer-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.mobile-drawer-header .logo img {
  height: 24px;
}

.mobile-close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-warm);
  border: none;
  border-radius: 50%;
  color: var(--primary-deep);
  cursor: pointer;
  transition: all var(--t-fast);
}

.mobile-close:hover {
  background: var(--accent);
  color: var(--primary-deep);
}

.mobile-nav {
  padding: 1rem 2rem;
  overflow-y: auto;
  flex: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-deep);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--t-fast) var(--ease-smooth);
  font-family: var(--font-display);
  cursor: pointer;
}

.mobile-nav-link i {
  font-size: 1rem;
  transition: transform var(--t-base);
}

.mobile-has-sub.active .mobile-nav-link i {
  transform: rotate(180deg);
}

.mobile-sub-links {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-base) var(--ease-smooth);
}

.mobile-has-sub.active .mobile-sub-links {
  max-height: 300px;
  padding-bottom: 1rem;
}

.mobile-sub-link {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--t-fast);
}

.mobile-sub-link:hover {
  background: var(--bg-warm);
  color: var(--accent);
}

.mobile-drawer-footer {
  padding: 2rem;
  background: var(--bg-warm);
  border-top: 1px solid var(--border);
}

.mobile-social {
  display: flex;
  gap: 0.75rem;
}

.mobile-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  transition: all var(--t-fast);
}

.mobile-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-deep);
}

/* ─── RESPONSIVE ─── */

@media (max-width: 1024px) {

  .navbar-links,
  .nav-cta {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.75rem 0;
  }

  .navbar-inner {
    padding: 0.6rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .navbar-inner {
    padding: 0.5rem 1rem;
    margin: 0 1rem;
    width: auto;
  }

  .navbar-logo img {
    height: 24px;
  }

  .mobile-toggle {
    scale: 0.85;
  }
}