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

  /* ── Navbar ── */
  #nav {
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
  }
  #nav.scrolled {
    background: rgba(250, 248, 245, 0.92);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
  }
  #nav.scrolled .nav-logo-text { color: #1a1a2e; }
  #nav.scrolled .menu-line { background: #1a1a2e; }

  .nav-link {
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #ff5c45;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after { width: 100%; }

  /* ── Mobile Menu ── */
  #mobile-menu.open { transform: translateX(0); }

  .menu-line { transition: all 0.3s ease; }
  #menu-toggle.active .menu-line:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  #menu-toggle.active .menu-line:nth-child(2) { opacity: 0; }
  #menu-toggle.active .menu-line:nth-child(3) { width: 1.5rem; transform: rotate(-45deg) translate(5px, -5px); }

  /* ── Hero ── */
  .scroll-line { animation: scrollPulse 2s ease-in-out infinite; }
  @keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); }
  }

  /* ── Marquee ── */
  .marquee-track { animation: marquee 30s linear infinite; }
  @keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  /* ── Scroll Reveal ── */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* ── Menu hover effects ── */
  li.group:hover .font-medium { transition: color 0.2s ease; }

  /* ── Image hover ── */
  .rounded-2xl.overflow-hidden img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  /* ── Selection ── */
  ::selection { background: #ffb5a8; color: #1a1a2e; }

  /* ── Custom scrollbar ── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #faf8f5; }
  ::-webkit-scrollbar-thumb { background: #d4cfc9; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #b8b0a8; }

  /* ── Focus visible ── */
  :focus-visible { outline: 2px solid #ff5c45; outline-offset: 2px; border-radius: 4px; }

  /* ── Print ── */
  @media print {
    #nav, .marquee-track, .scroll-line { display: none; }
    body { background: white; color: black; }
  }