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

  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #050b15; }
  ::-webkit-scrollbar-thumb { background: #1e3156; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #2d4574; }

  ::selection { background: rgba(201, 168, 76, 0.3); color: #f0f3f9; }

  /* ── Header scroll state ──────────────────────────────────── */
  #site-header.scrolled {
    background: rgba(5, 11, 21, 0.92);
    backdrop-blur: 20px;
  }

  /* ── Hero stat cards ──────────────────────────────────────── */
  .stat-card {
    animation: floatUp 0.7s ease both;
  }
  @keyframes floatUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* ── Service cards ────────────────────────────────────────── */
  .service-card {
    animation: cardIn 0.5s ease both;
  }
  @keyframes cardIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* ── Gallery hover ────────────────────────────────────────── */
  .gallery-item {
    position: relative;
    overflow: hidden;
  }
  .gallery-item::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(5,11,21,0.4) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
  }
  .gallery-item:hover::after { opacity: 1; }

  /* ── Testimonial cards ────────────────────────────────────── */
  .testimonial-card {
    animation: cardIn 0.5s ease both;
  }

  /* ── Process steps ────────────────────────────────────────── */
  .process-step {
    animation: cardIn 0.5s ease both;
  }

  /* ── Scroll reveal (progressive enhancement) ─────────────── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(28px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .reveal.revealed {
      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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
  }

  /* Reduced motion: ensure everything is visible */
  @media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .stat-card { animation: none; opacity: 1; }
    html { scroll-behavior: auto; }
  }

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

  /* ── Form focus styles ────────────────────────────────────── */
  input:focus, select:focus, textarea:focus {
    outline: none;
  }

  /* ── Select arrow ─────────────────────────────────────────── */
  select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23647bb5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
  }