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

body {
  overflow-x: hidden;
}

/* Scroll reveal animations — progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

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

/* Navbar scroll state */
.navbar-scrolled {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(19, 39, 64, 0.08);
}

.navbar-scrolled .nav-link {
  color: #1a3553 !important;
}

.navbar-scrolled .nav-logo {
  color: #1a3553 !important;
}

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

::-webkit-scrollbar-track {
  background: #f0f4f9;
}

::-webkit-scrollbar-thumb {
  background: #b8cce3;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #8faecf;
}

/* Selection color */
::selection {
  background: #fce8a8;
  color: #1a3553;
}

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

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

/* Hero image parallax feel */
#hero img {
  will-change: transform;
}

/* Card hover effects */
.rounded-3xl {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Image hover zoom */
.rounded-2xl.overflow-hidden {
  overflow: hidden;
}

.rounded-2xl.overflow-hidden img {
  transition: transform 0.5s ease;
}