/* Base & Utilities */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

/* Navbar scroll state */
.nav-scrolled {
  background: rgba(6, 78, 59, 0.95) !important;
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-scrolled .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
}

/* Mobile menu animation */
#mobileMenu {
  animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Back to top button */
#backToTop.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #ecfdf5;
}

::-webkit-scrollbar-thumb {
  background: #059669;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #047857;
}

/* Selection color */
::selection {
  background: #059669;
  color: white;
}

/* Image placeholder fallback */
img {
  image-rendering: auto;
}

/* Smooth focus for accessibility */
*:focus-visible {
  outline: 2px solid #059669;
  outline-offset: 2px;
}

/* Geometric decorative elements */
.geo-diamond {
  position: absolute;
  width: 20px;
  height: 20px;
  background: #d97706;
  transform: rotate(45deg);
  opacity: 0.6;
}

/* Gradient text utility */
.gradient-text {
  background: linear-gradient(135deg, #059669, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Pulse animation for status dot */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.animate-pulse-dot {
  animation: pulse-dot 2s ease-in-out infinite;
}

/* Floating animation for decorative shapes */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-10px) rotate(2deg); }
  66% { transform: translateY(5px) rotate(-1deg); }
}

.float-animation {
  animation: float 6s ease-in-out infinite;
}

/* Counter animation */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.counter-visible {
  animation: countUp 0.6s ease-out forwards;
}