/* ── Base ───────────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
  img { display: block; max-width: 100%; }
  ::selection { background: rgba(143, 207, 176, 0.25); color: #0d1b2a; }

  /* ── Reveal Animation ───────────────────────────── */
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  .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; }

  /* ── Navbar ─────────────────────────────────────── */
  #navbar.scrolled {
    background: rgba(13, 27, 42, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.05);
  }
  #navbar.scrolled .nav-link { color: rgba(255,255,255,0.85) !important; }
  #navbar.scrolled .nav-link:hover { color: #8ecfb0 !important; }

  /* ── Mobile Menu ────────────────────────────────── */
  #mobile-menu.open { opacity: 1; pointer-events: auto; }
  #mobile-menu.closed { opacity: 0; pointer-events: none; }
  .menu-line.active:nth-child(1) { transform: translateY(4px) rotate(45deg); }
  .menu-line.active:nth-child(2) { opacity: 0; }
  .menu-line.active:nth-child(3) { transform: translateY(-4px) rotate(-45deg); width: 1.5rem; }
  .mobile-link { opacity: 0; transform: translateY(12px); 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: 0.05s; }
  #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
  #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
  #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
  #mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

  /* ── Product Cards ──────────────────────────────── */
  .group img { will-change: transform; }
  .group:hover img { transform: scale(1.05); }

  /* ── Smooth focus ───────────────────────────────── */
  :focus-visible { outline: 2px solid #8ecfb0; outline-offset: 2px; }

  /* ── Subtle fade-in for sections ────────────────── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .animate-in { animation: fadeUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) both; }

  /* ── Decorative line animation ──────────────────── */
  @keyframes growRight {
    from { width: 0; }
    to   { width: 4rem; }
  }
  .w-16 { animation: growRight 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both; }
  .reveal.visible .w-16 { animation: growRight 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) both; }

  /* ── Scrollbar ──────────────────────────────────── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #0d1b2a; }
  ::-webkit-scrollbar-thumb { background: rgba(143, 207, 176, 0.3); border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: rgba(143, 207, 176, 0.5); }