/* ─── Base & Reset ─── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; overflow-x: hidden; }
  img { max-width: 100%; height: auto; display: block; }
  a { text-decoration: none; color: inherit; }
  button { cursor: pointer; border: none; background: none; font-family: inherit; }
  input, select, textarea { font-family: inherit; font-size: inherit; }

  /* ─── Navbar Scroll State ─── */
  #navbar.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
  }

  /* ─── Hero Animations ─── */
  .hero-badge {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.2s;
  }
  .hero-badge:nth-child(1) { animation-delay: 0.2s; }
  h1 {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.4s;
  }
  section > div > div:last-child > div:first-child p,
  section > div > div:first-child p {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.6s;
  }
  .hero-cta {
    animation: fadeUp 0.8s ease forwards;
    opacity: 0;
    animation-delay: 0.8s;
  }

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

  /* ─── Service Cards ─── */
  .service-card {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.5s ease;
  }
  .service-card.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ─── Work Items ─── */
  .work-item {
    cursor: pointer;
  }
  .work-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  /* ─── Mobile Menu ─── */
  #mobile-menu.open {
    opacity: 1;
    pointer-events: all;
  }
  .mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
  }
  #mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
  }
  #mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
  #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
  #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
  #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
  #mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

  /* ─── Menu Button Animation ─── */
  #menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  #menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
  }
  #menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
  }

  /* ─── Scroll Reveal ─── */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ─── Custom Scrollbar ─── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #1A1A1A; }
  ::-webkit-scrollbar-thumb { background: #B8563D; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #CC654E; }

  /* ─── Selection ─── */
  ::selection { background: #B8563D; color: #fff; }

  /* ─── Form Focus States ─── */
  input:focus, select:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(184, 86, 61, 0.15);
  }

  /* ─── Responsive ─── */
  @media (max-width: 768px) {
    .font-serif.text-6xl { font-size: 3.5rem; }
    .font-serif.text-5xl { font-size: 2.5rem; }
  }