/* ==========================================================================
   Header, Navigation, Footer, & Global Floating Widgets (Phase 3/4 Redesign)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Top Bar
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--color-navy-dark);
  color: #E2E8F0;
  font-size: var(--text-xs);
  border-bottom: none;
  position: relative;
  z-index: 50;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--topbar-height);
  padding: 0.3rem 0;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-bar-offices {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #94A3B8;
}

.top-bar-item a {
  color: #F8FAFC;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.top-bar-item a:hover {
  color: #5EEAD4;
}

.top-bar-flag {
  font-size: 0.9rem;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.top-bar-badge {
  background: rgba(0, 152, 166, 0.16);
  color: #5EEAD4;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.18rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(94, 234, 212, 0.24);
}

/* --------------------------------------------------------------------------
   Main Sticky Header (Tactile Glassmorphism)
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--surface-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--border-hairline);
  transition: box-shadow var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.25rem;
}

.brand-logo-wrap {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), padding var(--transition-fast);
}

[data-theme="dark"] .brand-logo-wrap {
  background-color: rgba(255, 255, 255, 0.94);
  padding: 0.25rem 0.65rem;
  box-shadow: var(--shadow-xs);
}

.brand-logo-img {
  height: 64px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

[data-theme="dark"] .brand-logo-img {
  height: 56px;
}

.brand-logo-wrap:hover .brand-logo-img {
  transform: scale(1.015);
}

/* --------------------------------------------------------------------------
   Desktop Navigation
   -------------------------------------------------------------------------- */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-title);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-teal);
  background-color: var(--color-teal-subtle);
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
  color: #5EEAD4;
}

.nav-link:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0.15rem;
  left: 0.85rem;
  right: 0.85rem;
  height: 2px;
  background-color: var(--color-teal);
  border-radius: var(--radius-full);
}

/* Dropdown Menus (Linear / Raycast Precision) */
.nav-dropdown {
  position: relative;
}

.dropdown-arrow {
  width: 14px;
  height: 14px;
  opacity: 0.7;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow,
.nav-dropdown:focus-within .dropdown-arrow {
  transform: rotate(180deg);
  opacity: 1;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 340px;
  background-color: var(--surface-elevated);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-strong);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.985);
  transform-origin: top left;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 50;
}

/* Invisible hover bridge so cursor never loses hover between trigger and menu */
.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 0;
  right: 0;
  height: 10px;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  color: var(--color-text-body);
}

.dropdown-item:hover,
.dropdown-item:focus-visible {
  background-color: var(--color-teal-subtle);
}

.dropdown-item-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--border-hairline);
  color: var(--color-teal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 1rem;
}

.dropdown-item-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-title);
  margin-bottom: 0.1rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.dropdown-flagship-pill {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--color-gold-light);
  color: var(--color-gold-text);
  padding: 0.08rem 0.42rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(245, 158, 11, 0.25);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dropdown-item-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.search-toggle-btn,
.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-title);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface-card);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
}

.search-toggle-btn:hover,
.theme-toggle-btn:hover {
  color: var(--color-teal);
  border-color: var(--color-teal);
  background-color: var(--color-teal-subtle);
  transform: translateY(-1px);
}

.search-toggle-btn:focus-visible,
.theme-toggle-btn:focus-visible {
  outline: 2px solid var(--color-teal);
  outline-offset: 2px;
}

.menu-toggle-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-text-title);
  align-items: center;
  justify-content: center;
  background-color: var(--surface-card);
}

/* --------------------------------------------------------------------------
   Mobile Slide-out Drawer
   -------------------------------------------------------------------------- */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(7, 17, 30, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-drawer-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 86%;
  max-width: 380px;
  background-color: var(--surface-card);
  border-left: 1px solid var(--color-border);
  z-index: 100;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-logo {
  height: 52px;
  width: auto;
}

[data-theme="dark"] .mobile-drawer-logo {
  background: rgba(255, 255, 255, 0.94);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

.mobile-drawer-close {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-title);
  border: 1px solid var(--color-border);
  background: var(--surface-muted);
}

.mobile-nav-list {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-title);
  padding: 0.7rem 0.75rem;
  border-radius: var(--radius-sm);
}

.mobile-nav-link.active,
.mobile-nav-link:hover {
  color: var(--color-teal);
  background-color: var(--color-teal-subtle);
}

.mobile-services-sublist {
  padding-left: 1rem;
  margin-top: 0.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border-left: 1.5px solid var(--color-border);
  margin-left: 0.75rem;
}

.mobile-sub-link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 0.35rem 0;
}

.mobile-sub-link:hover {
  color: var(--color-teal);
}

.mobile-drawer-footer {
  margin-top: auto;
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--surface-muted);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mobile-contact-pill {
  font-size: 0.825rem;
  color: var(--color-text-body);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* --------------------------------------------------------------------------
   Global Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-navy-dark);
  color: #CBD5E1;
  padding-top: 4.5rem;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-teal), var(--color-sky-blue), var(--color-gold));
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1.15fr 1.15fr 1.4fr;
  gap: 2.75rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-col-brand .footer-logo-wrap {
  display: inline-block;
  background-color: #FFFFFF;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.15rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.footer-col-brand .footer-logo {
  height: 64px;
  width: auto;
}

.footer-tagline {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.05rem;
  color: #F8FAFC;
  margin-bottom: 0.85rem;
}

.footer-brand-text {
  font-size: 0.875rem;
  color: #94A3B8;
  line-height: 1.65;
  margin-bottom: 1.35rem;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.social-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  background-color: var(--color-teal);
  border-color: var(--color-teal);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  border-radius: var(--radius-full);
  background-color: var(--color-teal);
}

.footer-office-card {
  font-size: 0.85rem;
  line-height: 1.6;
}

.office-country {
  font-weight: 700;
  color: #FCD34D;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.office-detail {
  margin-bottom: 0.65rem;
  color: #94A3B8;
}

.office-contact-link {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: #E2E8F0;
  margin-bottom: 0.35rem;
  font-size: 0.825rem;
}

.office-contact-link:hover {
  color: #5EEAD4;
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-nav-link {
  font-size: 0.875rem;
  color: #CBD5E1;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
  background: none;
  border: none;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.footer-nav-link:hover {
  color: #5EEAD4;
  transform: translateX(3px);
}

.newsletter-form {
  margin-top: 0.85rem;
}

.newsletter-form-group {
  display: flex;
  gap: 0.5rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background-color: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
  font-size: 0.85rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-teal);
  background-color: rgba(255, 255, 255, 0.09);
}

.newsletter-note {
  font-size: 0.75rem;
  color: #64748B;
  margin-top: 0.45rem;
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.825rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: #E2E8F0;
}

/* --------------------------------------------------------------------------
   Floating WhatsApp Button
   -------------------------------------------------------------------------- */
.floating-whatsapp {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background-color: #25D366;
  color: #FFFFFF;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.38);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-whatsapp:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.52);
  color: #FFFFFF;
}

.floating-whatsapp-pulse {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border: 1.5px solid #25D366;
  animation: pulse-ring 2.4s infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% { transform: scale(0.96); opacity: 0.75; }
  60% { transform: scale(1.22); opacity: 0; }
  100% { transform: scale(1.22); opacity: 0; }
}

/* --------------------------------------------------------------------------
   Mobile Sticky Bottom CTA Bar
   -------------------------------------------------------------------------- */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  padding: 0.65rem 1rem;
  box-shadow: 0 -4px 20px rgba(15, 23, 42, 0.1);
  z-index: 60;
  border-top: 1px solid var(--color-border);
}

.mobile-sticky-cta-inner {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.mobile-sticky-cta .btn {
  flex: 1;
  padding: 0.7rem 0.5rem;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   Media Queries for Header & Footer (1024px, 768px, 360px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle-btn {
    display: flex;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }

  .top-bar {
    display: none;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .mobile-sticky-cta {
    display: block;
  }

  .floating-whatsapp {
    bottom: 5.25rem;
    right: 1.15rem;
    width: 50px;
    height: 50px;
  }

  body {
    padding-bottom: 64px;
  }
}

@media (max-width: 420px) {
  .header-actions .btn-primary {
    display: none; /* Covered by mobile sticky bottom bar and drawer at 360px */
  }
  .brand-logo-img {
    height: 54px;
  }
}