/* Base & Reset */
  *, *::before, *::after {
    box-sizing: border-box;
  }

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

  body {
    overflow-x: hidden;
  }

  /* Animations */
  @keyframes fadeUp {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .animate-fade-up {
    animation-name: fadeUp;
    animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
    animation-duration: 0.8s;
  }

  /* Scroll-triggered animations */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

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

  /* Stagger children */
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
  .reveal-delay-5 { transition-delay: 0.5s; }
  .reveal-delay-6 { transition-delay: 0.6s; }

  /* Navbar */
  #navbar {
    background: transparent;
  }

  #navbar.scrolled {
    background: rgba(253, 252, 250, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(58, 58, 58, 0.06);
  }

  #navbar.scrolled .nav-link {
    color: rgba(58, 58, 58, 0.7) !important;
  }

  #navbar.scrolled .menu-line {
    background: #3A3A3A;
  }

  /* Mobile menu */
  #mobileMenu.open {
    opacity: 1;
    pointer-events: all;
  }

  /* Service cards */
  .service-card {
    position: relative;
    overflow: hidden;
  }

  .service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #F08080, #F7B5B5);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .service-card:hover::before {
    transform: scaleX(1);
  }

  /* Input focus styles */
  input:focus, select:focus, textarea:focus {
    border-color: #F08080 !important;
    box-shadow: 0 0 0 3px rgba(240, 128, 128, 0.15) !important;
  }

  /* Smooth transitions for all interactive elements */
  a, button {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  /* Selection color */
  ::selection {
    background: #F08080;
    color: white;
  }

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

  ::-webkit-scrollbar-track {
    background: #FAFAF8;
  }

  ::-webkit-scrollbar-thumb {
    background: #F08080;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #e06060;
  }

  /* Hero parallax-like effect */
  #hero img {
    will-change: transform;
  }