/* ── Base ─────────────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; }
  img { max-width: 100%; height: auto; }

  /* ── Animations ───────────────────────────────────── */
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .fade-in { animation: fadeIn 0.8s ease forwards; }
  .fade-in-up { animation: fadeInUp 0.8s ease forwards; opacity: 0; }
  .fade-in-up-delay { animation: fadeInUp 0.8s ease 0.2s forwards; opacity: 0; }
  .fade-in-up-delay-2 { animation: fadeInUp 0.8s ease 0.4s forwards; opacity: 0; }

  /* ── Reveal on scroll ─────────────────────────────── */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal.delay-100 { transition-delay: 0.1s; }
  .reveal.delay-200 { transition-delay: 0.2s; }

  /* ── Navbar ───────────────────────────────────────── */
  #navbar {
    background: transparent;
  }
  #navbar.scrolled {
    background: rgba(30, 30, 36, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
  }
  #navbar.scrolled .menu-line { background: white; }

  /* ── Mobile menu ──────────────────────────────────── */
  #mobileMenu.open {
    opacity: 1;
    pointer-events: all;
  }
  #mobileMenu.open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }
  #mobileMenu.open .menu-line:nth-child(2) {
    opacity: 0;
  }
  #mobileMenu.open .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(4px, -4px);
  }
  .mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  #mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
  }
  #mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
  #mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
  #mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
  #mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
  #mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

  /* ── Custom scrollbar ─────────────────────────────── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #fdf8ec; }
  ::-webkit-scrollbar-thumb { background: #f4845f; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #e86540; }

  /* ── Selection ────────────────────────────────────── */
  ::selection { background: #f4845f30; color: #1e1e24; }

  /* ── Form focus ───────────────────────────────────── */
  input:focus, textarea:focus {
    box-shadow: 0 0 0 3px rgba(244, 132, 95, 0.15);
  }

  /* ── Smooth image loading ─────────────────────────── */
  img {
    background: linear-gradient(135deg, #fdf8ec 0%, #faedcc 100%);
  }