/* Base */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { overflow-x: hidden; }

  /* Custom scrollbar */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #080f24; }
  ::-webkit-scrollbar-thumb { background: #162a56; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #4dd9b0; }

  /* Selection */
  ::selection { background: rgba(77, 217, 176, 0.3); color: #fff; }

  /* Navbar */
  #navbar { backdrop-filter: blur(0px); }
  #navbar.scrolled {
    background: rgba(8, 15, 36, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  /* Mobile menu */
  #mobile-menu.open { opacity: 1 !important; pointer-events: all !important; }
  .mobile-link { transform: translateY(20px); opacity: 0; transition: all 0.4s ease; }
  #mobile-menu.open .mobile-link { transform: translateY(0); opacity: 1; }
  #mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
  #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
  #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
  #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
  #mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

  /* Menu toggle animation */
  #menu-toggle.active .menu-line:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
  #menu-toggle.active .menu-line:nth-child(2) { opacity: 0; }
  #menu-toggle.active .menu-line:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); width: 20px; }

  /* Reveal animations */
  .reveal { opacity: 0; transform: translateY(40px); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
  .reveal.visible { opacity: 1; transform: translateY(0); }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }

  /* Hero image stack hover */
  .group:hover .group-hover\:scale-105 { transform: scale(1.05); }

  /* Smooth focus */
  input:focus, select:focus, textarea:focus { outline: none; }

  /* Prevent layout shift on images */
  img { max-width: 100%; height: auto; }

  /* Mobile responsive */
  @media (max-width: 768px) {
    .font-display { line-height: 1.15; }
  }

  /* Print styles */
  @media print {
    #navbar, #mobile-menu, #contact-form { display: none; }
    body { background: white; color: black; }
  }