/* ── Base & Utilities ── */
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; scroll-padding-top: 80px; }
  body { margin: 0; }

  /* ── Scroll Reveal (progressive enhancement) ── */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .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; }
  }

  /* ── Hero Animations ── */
  @media (prefers-reduced-motion: no-preference) {
    .hero-eyebrow {
      animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
    }
    .hero-title {
      animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.35s both;
    }
    .hero-subtitle {
      animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s both;
    }
    .hero-cta {
      animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.65s both;
    }
    .hero-stats {
      animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
    }
  }

  @keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ── Eyebrow ── */
  .eyebrow {
    letter-spacing: 0.2em;
  }

  /* ── Buttons ── */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: #c8a44e;
    color: #0a1628;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
  }
  .btn-primary:hover {
    background: #d4b362;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(200, 164, 78, 0.3);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 0.5rem;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
  }
  .btn-secondary:hover {
    border-color: rgba(200, 164, 78, 0.5);
    color: #c8a44e;
    transform: translateY(-2px);
  }

  .btn-dark {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: #0a1628;
    color: #c8a44e;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
  }
  .btn-dark:hover {
    background: #0f1c3f;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(10, 22, 40, 0.4);
  }

  /* ── Nav Links ── */
  .nav-link {
    position: relative;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #c8a44e;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after {
    width: 100%;
  }
  .nav-link:hover {
    color: #fff !important;
  }

  /* ── Card Hover ── */
  .card-hover {
    will-change: transform;
  }
  .card-hover:hover {
    transform: translateY(-4px);
  }
  .card-hover > div {
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  }

  /* ── Header States ── */
  #site-header {
    background: transparent;
  }
  #site-header.scrolled {
    background: rgba(7, 14, 31, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
  }
  #site-header.scrolled .nav-link {
    color: rgba(255, 255, 255, 0.8);
  }

  /* ── Mobile Menu ── */
  #mobile-menu.open {
    opacity: 1;
    pointer-events: all;
  }
  #mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
  }
  .mobile-link {
    transition: all 0.3s ease;
  }
  .mobile-link:hover {
    transform: scale(1.05);
  }

  /* ── Hamburger Animation ── */
  #menu-toggle.open #bar1 {
    transform: rotate(45deg) translate(5px, 5px);
  }
  #menu-toggle.open #bar2 {
    opacity: 0;
  }
  #menu-toggle.open #bar3 {
    transform: rotate(-45deg) translate(5px, -5px);
    width: 1.5rem;
  }

  /* ── Custom Scrollbar ── */
  ::-webkit-scrollbar { width: 8px; }
  ::-webkit-scrollbar-track { background: #0a1628; }
  ::-webkit-scrollbar-thumb { background: #1a3368; border-radius: 4px; }
  ::-webkit-scrollbar-thumb:hover { background: #c8a44e; }

  /* ── Selection ── */
  ::selection {
    background: rgba(200, 164, 78, 0.3);
    color: #0a1628;
  }

  /* ── Form Focus States ── */
  input:focus, select:focus, textarea:focus {
    outline: none;
  }

  /* ── Responsive ── */
  @media (max-width: 767px) {
    .hero-title {
      font-size: 2.75rem;
    }
    .hero-stats {
      gap: 1.5rem;
    }
    .hero-stats > div {
      border-left: none !important;
      padding-left: 0 !important;
    }
    .reveal {
      opacity: 1 !important;
      transform: none !important;
      transition: none !important;
    }
  }

  @media (min-width: 768px) and (max-width: 1023px) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }