/* Custom styles for SEVA Innovations */

/* Global styles */
body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
}

/* Smooth transitions */
* {
  transition: all 0.3s ease;
}

/* Hero section enhancements */
.hero-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

/* Card enhancements */
.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  border-radius: 15px;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0,0,0,0.1) !important;
}

/* Custom button styles */
.btn-custom {
  border-radius: 25px;
  padding: 12px 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.btn-custom:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Spinning animations */
.spin-icon {
  display: inline-block;
  animation: spin 5s linear infinite;
  transform-origin: center;
  margin-right: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 100px;
  transform-style: preserve-3d;
  animation: spinY 6s linear infinite;
}

@keyframes spinY {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(360deg); }
}

/* Navigation enhancements */
.navbar {
  transition: all 0.3s ease;
}

.navbar-brand img {
  transition: transform 0.3s ease;
}

.navbar-brand:hover img {
  transform: scale(1.05);
}

.nav-link {
  position: relative;
  font-weight: 500;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #007bff;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

/* Form enhancements */
.form-control {
  border-radius: 10px;
  border: 2px solid #e9ecef;
  transition: all 0.3s ease;
  padding: 12px 15px;
}

.form-control:focus {
  border-color: #007bff;
  box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

.form-control.is-valid {
  border-color: #28a745;
}

.form-control.is-invalid {
  border-color: #dc3545;
}

/* Alert enhancements */
.alert {
  border-radius: 10px;
  border: none;
  padding: 15px 20px;
}

.alert-success {
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  color: #155724;
}

.alert-info {
  background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
  color: #0c5460;
}

.alert-warning {
  background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
  color: #856404;
}

.alert-danger {
  background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
  color: #721c24;
}

/* Timeline enhancements */
.timeline-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 30px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 12px;
  height: 12px;
  background: #007bff;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0,123,255,0.2);
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 12px;
  width: 2px;
  height: calc(100% + 18px);
  background: linear-gradient(to bottom, #007bff, #e9ecef);
}

.timeline-item:last-child::after {
  display: none;
}

/* Team card enhancements */
.team-card img {
  transition: transform 0.3s ease;
}

.team-card:hover img {
  transform: scale(1.05);
}

/* Footer enhancements */
footer {
  background: linear-gradient(135deg, #343a40 0%, #212529 100%);
}

footer a {
  transition: all 0.3s ease;
}

footer a:hover {
  transform: translateY(-2px);
  color: #007bff !important;
}

/* Loading animation */
.loaded {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive enhancements */
@media (max-width: 768px) {
  .hero-section {
    min-height: 60vh;
  }
  
  .display-4 {
    font-size: 2.5rem;
  }
  
  .btn-custom {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

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

/* Focus styles for accessibility */
.btn:focus,
.form-control:focus,
.nav-link:focus {
  outline: 2px solid #007bff;
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .navbar,
  .btn,
  .hero-section {
    display: none !important;
  }
}