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

  /* ─── Navbar scroll state ─── */
  #nav.scrolled {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 1px 20px rgba(0,0,0,0.06);
  }
  #nav.scrolled .font-display { color: #0f172a; }

  /* ─── Mobile menu ─── */
  #mobileMenu.open { opacity: 1; pointer-events: all; }
  .mobile-link { transition: opacity 0.2s, transform 0.2s; }
  .mobile-link:hover { transform: scale(1.05); }

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

  /* ─── Gallery marquee ─── */
  @keyframes gallery {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }
  .animate-gallery {
    animation: gallery 30s linear infinite;
  }
  .animate-gallery:hover { animation-play-state: paused; }

  /* ─── Menu card hover ─── */
  .menu-card {
    border: 1px solid rgba(0,0,0,0.06);
  }
  .menu-card:hover {
    border-color: rgba(13,148,136,0.2);
  }

  /* ─── Scroll reveal ─── */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ─── Geometric decoration ─── */
  .geo-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
  }

  /* ─── Custom scrollbar ─── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #f8fafc; }
  ::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

  /* ─── Focus visible ─── */
  :focus-visible { outline: 2px solid #14b8a6; outline-offset: 2px; }

  /* ─── Selection ─── */
  ::selection { background: rgba(20,184,166,0.2); color: #134e4a; }

  /* ─── Responsive tweaks ─── */
  @media (max-width: 640px) {
    .animate-marquee { animation-duration: 18s; }
  }