*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(200, 164, 90, 0.3);
  color: #fff;
}

/* Service card hover animation */
.service-card {
  transform: translateY(0);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(200, 164, 90, 0.05);
}

/* Navbar scroll effect */
.nav-scrolled {
  background: rgba(9, 18, 25, 0.95) !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger children */
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.4s; }
.fade-in:nth-child(6) { transition-delay: 0.5s; }

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #091219;
}
::-webkit-scrollbar-thumb {
  background: #1a2d42;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #c8a45a;
}

/* Mobile menu transition */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

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

/* Gold shimmer on hover for CTA buttons */
button:hover, a:hover {
  cursor: pointer;
}

/* Smooth image loading */
img {
  image-rendering: -webkit-optimize-contrast;
}

/* Select styling */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23c8a45a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}