/* ========== BASE & RESET ========== */
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    margin: 0;
    font-family: 'Inter', system-ui, sans-serif;
    background: #1a0816;
    color: #fff;
  }

  ::selection {
    background: rgba(245, 166, 35, 0.3);
    color: #fff;
  }

  /* ========== NAVBAR ========== */
  #navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
  }

  #navbar.scrolled {
    background: rgba(26, 8, 22, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
    padding: 0;
  }

  #navbar.scrolled .menu-line {
    background: #fff;
  }

  /* Mobile menu toggle animations */
  #menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
  }
  #menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
  }
  #menu-toggle.active .menu-line:nth-child(3) {
    width: 5rem;
    transform: rotate(-45deg) translate(4px, -4px);
  }

  /* ========== HERO SHAPES ========== */
  .hero-shape {
    will-change: transform;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  .shape-circle-1 {
    animation: float-slow 8s ease-in-out infinite;
  }
  .shape-circle-2 {
    animation: float-slow 10s ease-in-out infinite reverse;
  }
  .shape-square {
    animation: float-medium 6s ease-in-out infinite;
  }
  .shape-square-2 {
    animation: float-medium 7s ease-in-out infinite reverse;
  }
  .shape-diamond {
    animation: spin-slow 20s linear infinite;
  }

  @keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-24px); }
  }
  @keyframes float-medium {
    0%, 100% { transform: translateY(0px) rotate(var(--rot, 12deg)); }
    50%       { transform: translateY(-16px) rotate(var(--rot, 12deg)); }
  }
  @keyframes spin-slow {
    from { transform: rotate(45deg) translateX(0); }
    to   { transform: rotate(405deg) translateX(0); }
  }

  /* ========== DECO LINES ========== */
  .deco-line {
    animation: shimmer 4s ease-in-out infinite;
  }
  .line-2 {
    animation-delay: 2s;
  }
  @keyframes shimmer {
    0%, 100% { opacity: 0.4; }
    50%       { opacity: 1; }
  }

  /* ========== FEATURE CARDS ========== */
  .feature-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease;
  }
  .feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  }

  /* ========== EVENT CARDS ========== */
  .event-card {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease;
  }
  .event-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.3);
  }

  /* ========== SCROLL REVEAL (progressive enhancement) ========== */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .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; }
  }

  /* Reduced motion: ensure content is always visible */
  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
    .hero-shape {
      animation: none;
    }
    .deco-line {
      animation: none;
      opacity: 0.6;
    }
  }

  /* ========== SCROLLBAR ========== */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #1a0816;
  }
  ::-webkit-scrollbar-thumb {
    background: #6B2D5B;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #8c3a82;
  }

  /* ========== FOCUS VISIBLE ========== */
  a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #F5A623;
    outline-offset: 2px;
    border-radius: 4px;
  }

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