/* ========== BASE & UTILITIES ========== */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { overflow-x: hidden; }

  /* ========== NAV SCROLL STATE ========== */
  #site-header.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(11,29,58,0.08);
  }
  #site-header.scrolled .nav-link { color: #0B1D3A; }
  #site-header.scrolled .font-display { color: #0B1D3A; }

  /* ========== FLOATING ANIMATIONS ========== */
  @keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
  }
  @keyframes float-medium {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
  }
  @keyframes float-fast {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
  }
  .animate-float-slow { animation: float-slow 5s ease-in-out infinite; }
  .animate-float-medium { animation: float-medium 4s ease-in-out infinite; }
  .animate-float-fast { animation: float-fast 3s ease-in-out infinite; }

  /* ========== SCROLL REVEAL (below fold only) ========== */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    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);
  }
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(28px);
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* ========== SERVICE CARDS ========== */
  .service-card {
    position: relative;
    overflow: hidden;
  }
  .service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #5fbe8e, #38a86a);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  }
  .service-card:hover::after {
    transform: scaleX(1);
  }

  /* ========== GALLERY ========== */
  .gallery-item {
    position: relative;
  }
  .gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11,29,58,0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
  }
  .gallery-item:hover::after {
    opacity: 1;
  }

  /* ========== REVIEW CARDS ========== */
  .review-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .review-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(11,29,58,0.1);
  }

  /* ========== MOBILE MENU ========== */
  #mobile-menu {
    animation: slideDown 0.25s ease-out;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ========== CUSTOM SCROLLBAR ========== */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #f4fbf8; }
  ::-webkit-scrollbar-thumb { background: #93d5b5; border-radius: 999px; }
  ::-webkit-scrollbar-thumb:hover { background: #5fbe8e; }

  /* ========== FOCUS STYLES ========== */
  a:focus-visible, button:focus-visible {
    outline: 2px solid #5fbe8e;
    outline-offset: 2px;
    border-radius: 4px;
  }

  /* ========== RESPONSIVE ADJUSTMENTS ========== */
  @media (max-width: 640px) {
    .font-display { line-height: 1.15; }
  }