/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@600;700&display=swap');

/* CSS Variables for Modern Design */
:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --card-shadow: 0 4px 6px rgba(0,0,0,0.07), 0 10px 20px rgba(0,0,0,0.1);
  --card-hover-shadow: 0 8px 12px rgba(0,0,0,0.1), 0 16px 32px rgba(0,0,0,0.15);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #f8f9fa;
  min-height: 100vh;
  min-height: 100dvh;
}

@supports not (height: 100dvh) {
  body {
    min-height: 100vh;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

/* Card Enhancements */
.card {
  border: none;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  transition: var(--transition-smooth);
  animation: fadeInUp 0.6s ease-out;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-hover-shadow);
}

.card-stagger-1 { animation-delay: 0.1s; }
.card-stagger-2 { animation-delay: 0.2s; }
.card-stagger-3 { animation-delay: 0.3s; }
.card-stagger-4 { animation-delay: 0.4s; }
.card-stagger-5 { animation-delay: 0.5s; }
.card-stagger-6 { animation-delay: 0.6s; }

/* Button Enhancements */
.btn {
  border-radius: 8px;
  font-weight: 500;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-outline-primary {
  border: 2px solid #667eea;
  color: #667eea;
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary-gradient);
  border-color: transparent;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

/* Focus States */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, 
.form-control:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem rgba(102, 126, 234, 0.5);
}

/* Navigation Menu Link Hover Effect */
.navbar-nav .nav-link {
  border-radius: 6px;
  transition: background-color 0.3s ease, color 0.3s ease;
  padding: 0.5rem 1rem;
}

.navbar-nav .nav-link:hover {
  background-color: #f0f0f0;
}

.navbar-nav .nav-link.active {
  font-weight: 700;
}

/* Form Enhancements */
.form-control {
  border-radius: 8px;
  border: 2px solid #e0e0e0;
  transition: var(--transition-smooth);
  padding: 0.75rem 1rem;
}

.form-control:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.15);
}

/* Alert Enhancements */
.alert {
  border: none;
  border-radius: 10px;
  animation: fadeIn 0.5s ease-out;
}

/* Badge Enhancements */
.badge {
  padding: 0.5em 0.8em;
  border-radius: 6px;
  font-weight: 600;
}