/* Base reset & custom properties */
:root {
  --scroll-behavior: smooth;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

/* Scroll reveal — progressive enhancement, hidden by default */
.scroll-reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  .scroll-reveal:not(.revealed) {
    opacity: 0;
    transform: translateY(24px);
  }
}

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

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

::-webkit-scrollbar-track {
  background: #f6f6f7;
}

::-webkit-scrollbar-thumb {
  background: #c4c4cc;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #9a9aaa;
}

/* Selection color */
::selection {
  background: #ff6b35;
  color: white;
}

/* Mobile menu transitions */
#mobileMenu {
  animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Subtle hover lift for cards */
.group:hover {
  transform: translateY(-2px);
}

/* Image aspect ratios */
img {
  max-width: 100%;
  height: auto;
}

/* Focus visible styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #ff6b35;
  outline-offset: 2px;
  border-radius: 4px;
}