/* Base & Utilities */
html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #fdf9ee;
}
::-webkit-scrollbar-thumb {
  background: #a7f3d0;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #6ee7b7;
}

/* Navbar */
#navbar {
  background: rgba(254, 253, 248, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(167, 243, 208, 0.3);
}

#navbar.scrolled {
  background: rgba(254, 253, 248, 0.95);
  box-shadow: 0 4px 20px rgba(5, 150, 105, 0.08);
}

/* Service Cards */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

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

/* Project Cards */
.project-card {
  cursor: pointer;
}

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

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* Mobile menu animation */
#mobile-menu {
  animation: fadeIn 0.2s ease;
}

/* Focus styles */
input:focus, select:focus, textarea:focus {
  outline: none;
}

/* Selection */
::selection {
  background: #a7f3d0;
  color: #064e3b;
}