/* ============================================
     INDY NUTRITION — Custom Styles
     ============================================ */

  /* Smooth scrolling */
  html {
    scroll-behavior: smooth;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #f9f0e3;
  }
  ::-webkit-scrollbar-thumb {
    background: #a86e4e;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #8a5538;
  }

  /* Hero scroll line animation */
  @keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
    50% { opacity: 1; }
    100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
  }
  .animate-scroll-line {
    animation: scrollLine 1.8s ease-in-out infinite;
  }

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

  /* Nav link underline animation */
  .nav-link {
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #cc5030;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after {
    width: 100%;
  }

  /* Mobile menu */
  #mobile-menu.active {
    animation: slideDown 0.3s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

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

  /* Scroll reveal animations (progressive enhancement) */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }
    .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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
  }

  /* Reduced motion - ensure content is always visible */
  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
    html {
      scroll-behavior: auto;
    }
    .marquee-track {
      animation: none;
    }
    .animate-scroll-line {
      animation: none;
    }
  }

  /* Subtle image parallax on scroll (progressive enhancement) */
  @media (prefers-reduced-motion: no-preference) {
    .group img {
      will-change: transform;
    }
  }

  /* Focus visible for accessibility */
  *:focus-visible {
    outline: 2px solid #cc5030;
    outline-offset: 2px;
  }

  /* Selection color */
  ::selection {
    background: #cc5030;
    color: #fefdfb;
  }

  /* Mobile nav links */
  .mobile-nav-link {
    position: relative;
    padding-left: 0;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }
  .mobile-nav-link:hover {
    color: #cc5030;
    padding-left: 12px;
  }
  .mobile-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background: #cc5030;
    transition: width 0.2s ease;
  }
  .mobile-nav-link:hover::before {
    width: 6px;
  }

  /* Header scroll state */
  #site-header.scrolled {
    box-shadow: 0 1px 20px rgba(0,0,0,0.08);
  }

  /* Button ripple effect */
  button, a {
    -webkit-tap-highlight-color: transparent;
  }

  /* Card hover lift */
  .group {
    transform: translateZ(0);
  }
  .group:hover {
    transform: translateY(-2px);
  }