/* Custom CSS for ESPG Site */

/* Screen reader only class */
.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;
}

.sr-only:focus,
.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

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

/* Focus visible improvements */
*:focus-visible {
  outline: 2px solid #10b981;
  outline-offset: 2px;
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

/* Fade in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

/* Slide in from left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide in from right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scale in animation */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Pulse animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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

/* Shake animation */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

/* Hero text animation */
.hero-animate {
  animation: slideUp 0.8s ease-out;
}

.hero-animate-delay-1 {
  animation: slideUp 0.8s ease-out 0.2s both;
}

.hero-animate-delay-2 {
  animation: slideUp 0.8s ease-out 0.4s both;
}

.hero-animate-delay-3 {
  animation: slideUp 0.8s ease-out 0.6s both;
}

/* Card hover effects */
.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Button animations */
.btn-animate {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-animate::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-animate:hover::before {
  width: 300px;
  height: 300px;
}

.btn-animate:active {
  transform: scale(0.95);
}

/* Image hover effects */
.img-hover {
  transition: transform 0.5s ease, filter 0.5s ease;
}

.img-hover:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Fade in on scroll */
.fade-in-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation for cards */
.stagger-item {
  opacity: 0;
  animation: slideUp 0.6s ease-out forwards;
}

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

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

.spinner {
  animation: spin 1s linear infinite;
}

/* Form message animations */
.form-message {
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Badge pulse */
.badge-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Number counter animation */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.count-animate {
  animation: countUp 0.8s ease-out;
}

/* Loading state for buttons */
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Image lazy loading placeholder */
img[data-src] {
  background: #f1f5f9;
  min-height: 200px;
}

/* Smooth transitions for all interactive elements */
a, button, input, select, textarea {
  transition: all 0.2s ease;
}

/* Navbar scroll effect */
.navbar-scrolled {
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}