/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { -webkit-font-smoothing: antialiased; }

/* Scroll reveal — progressive enhancement, only applies when JS is active */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Nav scroll state */
.nav-scrolled {
  background: rgba(26, 26, 26, 0.95) !important;
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

/* Service card hover glow */
.service-card:hover {
  box-shadow: 0 0 40px rgba(255, 107, 53, 0.08);
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #1a1a1a; }
::-webkit-scrollbar-thumb { background: #3d3d3d; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #C2410C; }

/* Selection */
::selection { background: rgba(255, 107, 53, 0.3); color: #fff; }

/* Mobile menu animation */
#mobileMenu {
  animation: slideDown 0.25s ease;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Button focus visible */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid #FF6B35;
  outline-offset: 2px;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .service-card { transition: none; }
  .service-card:hover { transform: none; }
}