/* ========== BASE ========== */
  *, *::before, *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

  body {
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  img {
    display: block;
    max-width: 100%;
  }

  ::selection {
    background: #d4a843;
    color: #0f1c3f;
  }

  /* ========== NAVBAR ========== */
  #navbar {
    background: transparent;
  }

  #navbar.scrolled {
    background: rgba(15, 28, 63, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
  }

  #navbar.scrolled .nav-logo-text {
    color: #ffffff;
  }

  .nav-link {
    color: rgba(255, 255, 255, 0.8);
  }

  #navbar.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.85);
  }

  /* ========== MOBILE MENU ========== */
  #mobile-menu.open {
    opacity: 1;
    pointer-events: all;
  }

  .menu-line {
    display: block;
  }

  #menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
  }

  #menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
  }

  #menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 1.5rem;
  }

  /* ========== SCROLL REVEAL ========== */
  .reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }

  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
    }

    .reveal.revealed {
      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; }
  }

  /* ========== GALLERY HOVER ========== */
  .grid img {
    will-change: transform;
  }

  /* ========== CARD HOVER ========== */
  .group img {
    will-change: transform;
  }

  /* ========== FOCUS ========== */
  a:focus-visible,
  button:focus-visible {
    outline: 2px solid #d4a843;
    outline-offset: 3px;
    border-radius: 4px;
  }

  /* ========== RESPONSIVE TWEAKS ========== */
  @media (max-width: 640px) {
    html {
      scroll-padding-top: 70px;
    }
  }