/* Base styles */
  *, *::before, *::after {
    box-sizing: border-box;
  }

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

  body {
    overflow-x: hidden;
  }

  /* Hero fade-up animations — only for below-the-fold sections */
  .fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Scroll reveal for sections below the fold */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

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

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

  #mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
  }

  .mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

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

  /* Navbar scroll state */
  #navbar.scrolled {
    background: rgba(255, 248, 249, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(123, 45, 59, 0.08);
  }

  #navbar.scrolled .font-serif {
    color: #7B2D3B;
  }

  /* Menu button animation */
  .menu-line {
    transform-origin: center;
  }

  #menu-btn[aria-expanded="true"] .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
  }

  #menu-btn[aria-expanded="true"] .menu-line:nth-child(2) {
    opacity: 0;
  }

  #menu-btn[aria-expanded="true"] .menu-line:nth-child(3) {
    width: 1.25rem;
    transform: rotate(-45deg) translate(3px, -3px);
  }

  /* Reduced motion */
  @media (prefers-reduced-motion: reduce) {
    .fade-up,
    .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }

    html {
      scroll-behavior: auto;
    }

    .menu-line {
      transition: none;
    }
  }

  /* Selection color */
  ::selection {
    background: #FFB4C8;
    color: #7B2D3B;
  }

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

  ::-webkit-scrollbar-track {
    background: #fff8f9;
  }

  ::-webkit-scrollbar-thumb {
    background: #f9d0d8;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #e9708d;
  }