/* ── Base ── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { overflow-x: hidden; }
  ::selection { background: rgba(232, 99, 74, 0.3); color: #f6f6f6; }

  /* ── Nav ── */
  .nav-link { position: relative; }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #e8634a;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after { width: 100%; }

  /* ── Mobile menu ── */
  #mobile-menu.open { opacity: 1 !important; pointer-events: all !important; }
  #mobile-menu.open .mobile-link { animation: fadeUp 0.4s ease forwards; }
  #mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
  #mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
  #mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
  #mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ── Hero animations ── */
  .hero-subtitle { animation: fadeUp 0.8s ease 0.2s forwards; }
  .hero-title { animation: fadeUp 0.8s ease 0.4s forwards; }
  .hero-desc { animation: fadeUp 0.8s ease 0.6s forwards; }
  .hero-cta { animation: fadeUp 0.8s ease 0.8s forwards; }

  /* ── Reveal on scroll ── */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal:nth-child(2) { transition-delay: 0.1s; }
  .reveal:nth-child(3) { transition-delay: 0.2s; }
  .reveal:nth-child(4) { transition-delay: 0.3s; }

  /* ── Gallery reveal ── */
  .reveal-gallery {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .reveal-gallery.visible {
    opacity: 1;
    transform: scale(1);
  }

  /* ── Service card hover glow ── */
  .service-card { position: relative; }
  .service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid transparent;
    transition: border-color 0.5s ease;
    pointer-events: none;
    border-radius: inherit;
  }
  .service-card:hover::before { border-color: rgba(232, 99, 74, 0.2); }

  /* ── Input focus ── */
  input:focus, select:focus, textarea:focus {
    border-color: #e8634a !important;
  }

  /* ── Smooth image loading ── */
  img {
    image-rendering: auto;
    transition: opacity 0.5s ease;
  }