/* Base & Utilities */
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

  body {
    overflow-x: hidden;
  }

  ::selection {
    background-color: rgba(249, 115, 22, 0.15);
    color: #1a1f27;
  }

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

  #navbar.scrolled {
    background: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
  }

  #navbar.scrolled .nav-link {
    color: #4b5057;
  }

  #navbar.scrolled .font-serif {
    color: #1a1f27;
  }

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

  #mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
  }

  /* Floating Cards */
  .floating-card {
    will-change: transform;
  }

  @keyframes float1 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
  }

  @keyframes float2 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
  }

  @keyframes float3 {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
  }

  @keyframes float4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-6px) rotate(1deg); }
  }

  .animate-float-1 { animation: float1 4s ease-in-out infinite; }
  .animate-float-2 { animation: float2 5s ease-in-out infinite; }
  .animate-float-3 { animation: float3 4.5s ease-in-out infinite; }
  .animate-float-4 { animation: float4 6s ease-in-out infinite; }

  /* Service Cards */
  .service-card {
    border: 1px solid transparent;
    transition: border-color 0.5s ease, transform 0.5s ease, box-shadow 0.5s ease;
  }

  .service-card:hover {
    border-color: rgba(249, 115, 22, 0.15);
    transform: translateY(-4px);
  }

  /* Reveal Animations */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .reveal[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
  }

  .reveal[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
  }

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .floating-card { animation: none; }
    .reveal[data-reveal] { opacity: 1; transform: none; }
    .reveal[data-reveal].revealed { opacity: 1; transform: none; }
    .service-card:hover { transform: none; }
    .group:hover img { transform: none; }
  }

  /* Gallery hover */
  .group:hover img {
    transform: scale(1.05);
  }

  /* Mobile menu animations */
  .menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  #menu-toggle.active .menu-line:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  #menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
  }

  #menu-toggle.active .menu-line:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
    width: 1.5rem;
  }

  /* Mobile link animation */
  .mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  #mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
  }

  #mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
  #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
  #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
  #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
  #mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

  /* Subtle line decorations */
  .thin-line {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(0,0,0,0.08), transparent);
  }