@layer base {
  html, body {
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #0f172a;
    background-color: #f8fafc;
  }
  body {
    overscroll-behavior-y: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* Executive Scroll Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Continuous Marquee with Gradient Mask */
@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

.marquee-container {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.animate-marquee {
  display: flex;
  width: max-content;
  animation: marquee 36s linear infinite;
}

.animate-marquee:hover {
  animation-play-state: paused;
}

/* Brand Gradients & Accents */
.gold-gradient-text {
  background: linear-gradient(135deg, #FFD25F 0%, #F5BE3C 50%, #E5A817 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gold-border-glow {
  box-shadow: 0 0 25px -5px rgba(245, 190, 60, 0.25);
}

.hero-glow {
  background: radial-gradient(circle at 60% 30%, rgba(245, 190, 60, 0.12) 0%, rgba(11, 42, 91, 0) 70%);
}

/* Executive Card Hover Transitions */
.executive-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s ease;
}

.executive-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 35px -10px rgba(0, 22, 58, 0.1), 0 0 0 1px rgba(254, 198, 67, 0.35);
}

/* Client Brand Pill */
.client-brand-card {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.client-brand-card:hover {
  transform: translateY(-3px);
  border-color: #fec643;
  box-shadow: 0 12px 24px -8px rgba(0, 22, 58, 0.08);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 9px;
}
::-webkit-scrollbar-track {
  background: #0B2A5B;
}
::-webkit-scrollbar-thumb {
  background: #fec643;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #ffd25f;
}

/* Mobile Navigation Transitions & Content Cascade */
#mobile-menu {
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

#mobile-menu-drawer {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes mobileNavCascade {
  0% {
    opacity: 0;
    transform: translateY(-22px);
  }
  60% {
    opacity: 0.9;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mobileFooterCascade {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-nav-link {
  opacity: 0;
  transform: translateY(-22px);
  will-change: transform, opacity;
}

#mobile-menu.opacity-100 .mobile-nav-link {
  animation: mobileNavCascade 0.38s cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
}

#mobile-menu.opacity-100 .mobile-nav-link:nth-child(1) { animation-delay: 0.12s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(2) { animation-delay: 0.17s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(3) { animation-delay: 0.22s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(4) { animation-delay: 0.27s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(5) { animation-delay: 0.32s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(6) { animation-delay: 0.37s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(7) { animation-delay: 0.42s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(8) { animation-delay: 0.47s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(9) { animation-delay: 0.52s; }
#mobile-menu.opacity-100 .mobile-nav-link:nth-child(10) { animation-delay: 0.57s; }

.mobile-drawer-footer {
  opacity: 0;
  transform: translateY(20px);
  will-change: transform, opacity;
}

#mobile-menu.opacity-100 .mobile-drawer-footer {
  animation: mobileFooterCascade 0.45s cubic-bezier(0.2, 0.9, 0.3, 1) forwards;
  animation-delay: 0.46s;
}

#mobile-menu:not(.opacity-100) .mobile-nav-link {
  opacity: 0;
  transform: translateY(-22px);
  animation: none;
}

#mobile-menu:not(.opacity-100) .mobile-drawer-footer {
  opacity: 0;
  transform: translateY(20px);
  animation: none;
}

/* Capability Card Transitions for Filter */
.capability-card {
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.35s ease;
}

/* Dynamic Island Header Transformation */
#main-header {
  transition: top 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              left 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              min-width 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              max-width 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              border-radius 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
              padding 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

#main-header.island-mode {
  top: 14px;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: max-content;
  min-width: min(350px, calc(100vw - 20px));
  max-width: calc(100vw - 20px);
  border-radius: 9999px;
  background-color: rgba(0, 22, 58, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 16px 36px -10px rgba(0, 10, 35, 0.55), 0 0 0 1px rgba(254, 198, 67, 0.35);
  padding: 0.35rem 1.25rem;
  box-sizing: border-box;
}

#main-header.island-mode > div {
  padding-left: 0 !important;
  padding-right: 0 !important;
  max-width: 100% !important;
  width: 100% !important;
}

#main-header.island-mode #navbar-container {
  height: 46px;
  gap: 0.75rem;
  width: 100%;
  justify-content: space-between;
  align-items: center;
}

#main-header .top-only {
  transition: opacity 0.25s ease;
}

#main-header.island-mode .top-only {
  display: none !important;
}

#main-header:not(.island-mode) .island-only {
  display: none !important;
}

#main-header.island-mode .island-only {
  display: flex !important;
}

@media (min-width: 1024px) {
  #main-header.island-mode .island-only.lg\:hidden {
    display: none !important;
  }
}

/* Nav Links in Normal & Island Modes */
#main-header:not(.island-mode) .nav-item {
  color: #475569;
}
#main-header:not(.island-mode) .nav-item:hover {
  color: #00163a;
  background-color: rgba(255, 255, 255, 0.6);
}
#main-header:not(.island-mode) .nav-item.active {
  background-color: #ffffff;
  color: #00163a;
  font-weight: 700;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Island Nav Links */
#main-header.island-mode nav {
  background-color: transparent !important;
  border-color: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
}

#main-header.island-mode .nav-item {
  color: #cbd5e1;
  background-color: transparent;
  box-shadow: none;
}

#main-header.island-mode .nav-item:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.12);
}

#main-header.island-mode .nav-item.active {
  background-color: #fec643;
  color: #00163a;
  box-shadow: 0 2px 10px rgba(254, 198, 67, 0.35);
}

/* Accessibility: Reduce motion preferences */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .animate-marquee {
    animation: none !important;
  }
  .executive-card:hover, .client-brand-card:hover {
    transform: none !important;
  }
}

/* Hero Background Slider & Dimming */
.hero-slider-track {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 1.8s ease-in-out, transform 8s cubic-bezier(0.25, 1, 0.5, 1);
  filter: brightness(0.48) contrast(1.1);
  will-change: opacity, transform;
}

.hero-slide.active {
  opacity: 0.35;
  transform: scale(1.08);
}

.hero-dot {
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Interactive Capabilities Console */
.division-nav-btn {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.division-nav-btn.active {
  background-color: #00163a !important;
  color: #ffffff !important;
  border-color: #00163a !important;
  box-shadow: 0 10px 25px -5px rgba(0, 22, 58, 0.25), 0 8px 10px -6px rgba(0, 22, 58, 0.2) !important;
  transform: translateY(-2px);
}

.division-nav-btn.active .division-num-badge {
  background-color: #fec643 !important;
  color: #00163a !important;
  font-weight: 800 !important;
}

.division-nav-btn.active .division-icon {
  color: #fec643 !important;
}

.division-nav-btn.active .division-subtag {
  color: #cbd5e1 !important;
}

.division-nav-btn.active .division-arrow {
  color: #fec643 !important;
  transform: translateX(4px);
}

.stage-fade-enter {
  animation: stageFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes stageFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scrollbar Utility for Mobile Swipe */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}
.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Mobile Division Selector Tabs */
.mobile-division-tab {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-division-tab.active {
  background-color: #00163a !important;
  color: #ffffff !important;
  border-color: #00163a !important;
  box-shadow: 0 4px 12px rgba(0, 22, 58, 0.2) !important;
}

.mobile-division-tab.active .mobile-tab-num {
  background-color: #fec643 !important;
  color: #00163a !important;
  font-weight: 800 !important;
}

.mobile-division-tab.active .mobile-tab-icon {
  color: #fec643 !important;
}