/* ===== Base & Utilities ===== */
  *, *::before, *::after {
    box-sizing: border-box;
  }

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

  body {
    overflow-x: hidden;
  }

  /* ===== Scroll Reveal ===== */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  /* ===== Hero Animations ===== */
  .hero-content {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .hero-content.visible {
    opacity: 1;
    transform: translateY(0);
  }

  .hero-image {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.2s, transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  }

  .hero-image.visible {
    opacity: 1;
    transform: translateX(0);
  }

  /* ===== Navbar ===== */
  #navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
  }

  #navbar.scrolled {
    background: rgba(254, 253, 248, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
  }

  #navbar.scrolled .nav-link {
    color: #3f3f46;
  }

  #navbar.scrolled .font-display {
    color: #1a1a1f;
  }

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

  #mobile-menu:not(.open) {
    transform: translateX(-100%);
  }

  .mobile-link {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
  }

  #mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
  }

  #mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
  #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
  #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
  #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
  #mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

  /* ===== Hamburger Animation ===== */
  #hamburger span {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  #mobile-menu-btn.active #hamburger span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
  }

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

  #mobile-menu-btn.active #hamburger span:nth-child(3) {
    width: 1.25rem;
    transform: translateY(-4px) rotate(-45deg);
    margin-left: 0;
  }

  /* ===== Custom Scrollbar ===== */
  ::-webkit-scrollbar {
    width: 8px;
  }

  ::-webkit-scrollbar-track {
    background: #fdf9ee;
  }

  ::-webkit-scrollbar-thumb {
    background: #e07a5f;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #d16145;
  }

  /* ===== Selection ===== */
  ::selection {
    background: #ffd5c7;
    color: #743326;
  }

  /* ===== Focus Visible ===== */
  :focus-visible {
    outline: 2px solid #e07a5f;
    outline-offset: 2px;
  }

  /* ===== Image optimization ===== */
  img {
    max-width: 100%;
    height: auto;
  }

  /* ===== Smooth card hover ===== */
  .group img {
    will-change: transform;
  }

  /* ===== Reduce motion ===== */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }

    html {
      scroll-behavior: auto;
    }

    .reveal {
      opacity: 1;
      transform: none;
    }

    .hero-content, .hero-image {
      opacity: 1;
      transform: none;
    }
  }