/* Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

/* Selection */
::selection {
  background: #065F46;
  color: #FAF9F6;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #F5F3ED;
}
::-webkit-scrollbar-thumb {
  background: #065F46;
  border-radius: 3px;
}

/* Navbar */
#navbar {
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease;
}

#navbar.scrolled {
  background: rgba(250, 249, 246, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(6, 78, 59, 0.08);
}

/* Mobile Menu */
#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.open #bar1 {
  transform: rotate(45deg) translate(4px, 4px);
}
#mobileMenu.open #bar2 {
  opacity: 0;
}
#mobileMenu.open #bar3 {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 24px;
}

.mobile-link {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobileMenu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* Hero Animations */
.hero-subtitle {
  animation: slideUp 0.8s ease forwards;
}
.hero-title {
  animation: slideUp 0.8s ease 0.15s forwards;
  opacity: 0;
}
.hero-desc {
  animation: slideUp 0.8s ease 0.3s forwards;
  opacity: 0;
}
.hero-cta {
  animation: slideUp 0.8s ease 0.45s forwards;
  opacity: 0;
}
.hero-stats {
  animation: slideUp 0.8s ease 0.6s forwards;
  opacity: 0;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(32px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Service Items */
.service-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-item.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Work Cards */
.work-card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.work-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Testimonial Cards */
.testimonial-card {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.testimonial-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .hero-subtitle,
  .hero-title,
  .hero-desc,
  .hero-cta,
  .hero-stats,
  .service-item,
  .work-card,
  .testimonial-card {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .work-card group:hover img {
    transform: none;
  }
}