/* Custom Material Symbols Configuration */
.material-symbols-outlined {
  font-variation-settings:
    'FILL' 0,
    'wght' 300,
    'GRAD' 0,
    'opsz' 24;
}

/* Glass morphism effect */
.glass-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #002147;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #1e40af;
}

/* Dark mode scrollbar */
.dark ::-webkit-scrollbar-track {
  background: #1e293b;
}

.dark ::-webkit-scrollbar-thumb {
  background: #475569;
}

.dark ::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* Fade in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide up animation */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Float animation */
@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Gradient text animation */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

/* Hover effects for cards */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Link underline animation */
.link-underline {
  position: relative;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width 0.3s ease;
}

.link-underline:hover::after {
  width: 100%;
}

/* Button pulse effect */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.btn-pulse:hover {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Gradient border animation */
@keyframes borderGradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-border {
  background: linear-gradient(90deg, #002147, #1e40af, #0ea5e9);
  background-size: 200% 200%;
  animation: borderGradient 3s ease infinite;
}

/* Image hover effects */
.image-hover-scale {
  transition: transform 0.5s ease;
}

.image-hover-scale:hover {
  transform: scale(1.05);
}

/* Text gradient */
.text-gradient {
  background: linear-gradient(135deg, #002147 0%, #1e40af 50%, #0ea5e9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Loading animation */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* Blur entrance effect */
.blur-entrance {
  animation: blurIn 0.6s ease-out;
}

@keyframes blurIn {
  from {
    filter: blur(10px);
    opacity: 0;
  }
  to {
    filter: blur(0);
    opacity: 1;
  }
}

/* Section divider */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, #cbd5e1, transparent);
}

/* Dark mode section divider */
.dark .section-divider {
  background: linear-gradient(90deg, transparent, #475569, transparent);
}

/* Custom focus styles */
*:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 33, 71, 0.1);
}

.dark *:focus {
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

/* Responsive typography */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  h2 {
    font-size: 2rem;
  }
  h3 {
    font-size: 1.5rem;
  }
  
  /* Better touch targets for mobile */
  button, a {
    min-height: 44px;
  }
  
  /* Adjust padding for mobile */
  section {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  /* Mobile menu animation */
  #mobileMenu {
    animation: slideDown 0.3s ease-out;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  /* Scroll to top button positioning for mobile */
  #scrollToTop {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
  }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
  h1 {
    font-size: 3.5rem;
  }
}

/* Print styles */
@media print {
  nav,
  footer {
    display: none;
  }
  
  * {
    background: white !important;
    color: black !important;
  }
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Selection color */
::selection {
  background-color: #002147;
  color: white;
}

.dark ::selection {
  background-color: #0ea5e9;
  color: white;
}

/* Smooth transitions */
* {
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

/* Card shadows */
.card-shadow-sm {
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
}

.card-shadow-md {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.card-shadow-lg {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.card-shadow-xl {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* Hover transitions for interactive elements */
a, button {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Grid animation stagger */
.stagger-animation > * {
  animation: fadeIn 0.6s ease-out backwards;
}

.stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-animation > *:nth-child(6) { animation-delay: 0.6s; }