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

  /* ── Navbar ── */
  #navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
  }
  #navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(15, 76, 117, 0.06), 0 4px 24px rgba(15, 76, 117, 0.06);
  }

  /* ── Marquee ── */
  @keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }
  .animate-marquee {
    animation: marquee 25s linear infinite;
  }

  /* ── Floating Cards ── */
  .floating-card {
    animation: float 6s ease-in-out infinite;
  }
  .floating-card:nth-child(2) {
    animation-delay: -2s;
    animation-duration: 7s;
  }
  .floating-card:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 5s;
  }
  @keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
  }

  /* ── Menu Cards ── */
  .menu-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }
  .menu-card:hover {
    transform: translateY(-6px);
  }

  /* ── Scroll Reveal ── */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal.visible {
    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; }

  /* ── Mobile Menu ── */
  #mobile-menu {
    animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .mobile-link {
    transition: color 0.2s ease, padding-left 0.2s ease;
  }
  .mobile-link:hover {
    color: #2ea686;
    padding-left: 8px;
  }

  /* ── Focus Styles ── */
  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #2ea686;
    outline-offset: 2px;
  }

  /* ── Selection ── */
  ::selection {
    background: rgba(46, 166, 134, 0.2);
    color: #0f4c75;
  }

  /* ── Responsive tweaks ── */
  @media (max-width: 767px) {
    .floating-card { display: none; }
  }