/* Base styles & custom properties */
:root {
  --teal-600: #0d9488;
  --teal-500: #14b8a6;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* Stat card hover animation */
.stat-card {
  animation: float 3s ease-in-out infinite;
}

.stat-card:nth-child(2) {
  animation-delay: 0.5s;
}

.stat-card:nth-child(3) {
  animation-delay: 1s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

/* Service card hover */
.service-card {
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
}

/* Testimonial card */
.testimonial-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-2px);
}

/* Scroll reveal animations (below the fold only, progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal.revealed {
    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; }
  .reveal-delay-5 { transition-delay: 0.5s; }
  .reveal-delay-6 { transition-delay: 0.6s; }
}

/* Navbar scroll effect */
nav.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* Mobile menu transition */
#mobileMenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

#mobileMenu.open {
  max-height: 400px;
}

/* Focus visible styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #14b8a6;
  outline-offset: 2px;
  border-radius: 0.5rem;
}

/* Selection color */
::selection {
  background-color: #14b8a6;
  color: white;
}