/* ==========================================================================
   OMEGA ENGINEERING & CONSULTANCY - PREMIUM ANIMATIONS & UI STYLES
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Scroll Progress Bar
   -------------------------------------------------------------------------- */
#scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #D5AB43 0%, #F59E0B 50%, #C9992E 100%);
  z-index: 9999;
  transition: width 0.1s ease-out;
  box-shadow: 0 0 10px rgba(213, 171, 67, 0.6);
}

/* --------------------------------------------------------------------------
   2. Scroll Reveal Animations (Intersection Observer)
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-scale.active {
  opacity: 1;
  transform: scale(1);
}

/* Stagger Delays for Grid Elements */
.delay-100 { transition-delay: 100ms !important; }
.delay-200 { transition-delay: 200ms !important; }
.delay-300 { transition-delay: 300ms !important; }
.delay-400 { transition-delay: 400ms !important; }
.delay-500 { transition-delay: 500ms !important; }
.delay-600 { transition-delay: 600ms !important; }

/* --------------------------------------------------------------------------
   3. Dynamic Header Transitions
   -------------------------------------------------------------------------- */
#header {
  transition: all 0.35s ease;
}

#header.header-scrolled {
  background-color: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(14px) !important;
  -webkit-backdrop-filter: blur(14px) !important;
  box-shadow: 0 10px 30px rgba(11, 35, 71, 0.08) !important;
  padding-top: 10px !important;
  padding-bottom: 10px !important;
}

/* --------------------------------------------------------------------------
   4. Floating & Glowing Effects
   -------------------------------------------------------------------------- */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

.animate-float {
  animation: float 4s ease-in-out infinite;
}

@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(213, 171, 67, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(213, 171, 67, 0); }
}

.pulse-gold {
  animation: pulse-gold 2.5s infinite;
}

@keyframes spin-slow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.animate-spin-slow {
  animation: spin-slow 20s linear infinite;
}

/* --------------------------------------------------------------------------
   5. Interactive Card Hover Effects (3D Sheen & Lift)
   -------------------------------------------------------------------------- */
.hover-lift {
  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;
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px -8px rgba(11, 35, 71, 0.14);
}

.card-shine {
  position: relative;
  overflow: hidden;
}

.card-shine::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    transparent 30%,
    rgba(255, 255, 255, 0.18) 50%,
    transparent 70%
  );
  transform: rotate(30deg) translateY(-100%);
  transition: transform 0.75s ease;
  pointer-events: none;
}

.card-shine:hover::after {
  transform: rotate(30deg) translateY(100%);
}

/* --------------------------------------------------------------------------
   6. Back to Top Button
   -------------------------------------------------------------------------- */
#back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0B2347 0%, #062044 100%);
  border: 1.5px solid rgba(213, 171, 67, 0.6);
  color: #D5AB43;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.9);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 90;
  box-shadow: 0 10px 25px rgba(6, 32, 68, 0.35);
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

#back-to-top:hover {
  background: #D5AB43;
  color: #062044;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 30px rgba(213, 171, 67, 0.4);
}

/* --------------------------------------------------------------------------
   7. Modals & Lightbox Animation
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 32, 68, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: #FFFFFF;
  border-radius: 18px;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(213, 171, 67, 0.2);
  transform: scale(0.94) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-container {
  transform: scale(1) translateY(0);
}

.modal-container::-webkit-scrollbar {
  width: 6px;
}
.modal-container::-webkit-scrollbar-track {
  background: #F1F5F9;
  border-radius: 8px;
}
.modal-container::-webkit-scrollbar-thumb {
  background: #D5AB43;
  border-radius: 8px;
}

/* --------------------------------------------------------------------------
   8. Mobile Drawer Menu
   -------------------------------------------------------------------------- */
#mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background: #082246;
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 35px rgba(0, 0, 0, 0.4);
}

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

#mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 32, 68, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* --------------------------------------------------------------------------
   9. Toast Notification System
   -------------------------------------------------------------------------- */
#toast-container {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 300px;
  max-width: 420px;
  background: #0B2347;
  color: #FFFFFF;
  border-left: 4px solid #D5AB43;
  padding: 14px 18px;
  border-radius: 10px;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(-40px);
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   10. Interactive Buttons & Elements
   -------------------------------------------------------------------------- */
.btn-primary {
  background: linear-gradient(180deg, #D5AB43 0%, #C9992E 100%);
  color: #FFFFFF;
  font-weight: 600;
  transition: all 0.25s ease;
  box-shadow: 0 6px 14px rgba(201, 153, 46, 0.24);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(201, 153, 46, 0.35);
  filter: brightness(1.05);
}

.btn-primary:active {
  transform: translateY(0);
}

.nav-link {
  position: relative;
  transition: color 0.25s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #D5AB43;
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: #D5AB43 !important;
}

/* --------------------------------------------------------------------------
   11. Accordion Transition
   -------------------------------------------------------------------------- */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  opacity: 1;
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
  color: #D5AB43;
}