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

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

  body {
    overflow-x: hidden;
  }

  /* Navigation */
  #nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 28, 63, 0.06);
  }

  #nav.scrolled {
    box-shadow: 0 1px 0 rgba(15, 28, 63, 0.06);
  }

  .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%;
  }

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

  .menu-line {
    transition: all 0.3s ease;
  }

  #menu-btn.active .menu-line:first-child {
    transform: rotate(45deg) translate(3px, 3px);
  }

  #menu-btn.active .menu-line:last-child {
    transform: rotate(-45deg) translate(3px, -3px);
  }

  /* Hero Animations */
  .hero-eyebrow {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards 0.2s;
  }

  .hero-title {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards 0.4s;
  }

  .hero-subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards 0.6s;
  }

  .hero-ctas {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards 0.8s;
  }

  .hero-image {
    opacity: 0;
    transform: translateX(30px);
    animation: fadeLeft 1s ease forwards 0.5s;
  }

  @keyframes fadeUp {
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes fadeLeft {
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes scrollLine {
    0% { transform: translateY(-16px); }
    100% { transform: translateY(48px); }
  }

  .animate-scroll-line {
    animation: scrollLine 1.5s ease-in-out infinite;
  }

  /* Reveal on scroll */
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

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

  .reveal:nth-child(2) { transition-delay: 0.1s; }
  .reveal:nth-child(3) { transition-delay: 0.2s; }
  .reveal:nth-child(4) { transition-delay: 0.3s; }

  /* Amenity grid lines */
  .border-t { border-top-color: rgba(15, 28, 63, 0.1); }
  .border-l { border-left-color: rgba(15, 28, 63, 0.1); }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 6px;
  }

  ::-webkit-scrollbar-track {
    background: #f8f7f4;
  }

  ::-webkit-scrollbar-thumb {
    background: rgba(15, 28, 63, 0.2);
    border-radius: 3px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: rgba(15, 28, 63, 0.4);
  }

  /* Focus styles */
  input:focus, textarea:focus {
    outline: none;
  }

  /* Selection */
  ::selection {
    background: rgba(200, 164, 78, 0.2);
    color: #0f1c3f;
  }

  /* Responsive adjustments */
  @media (max-width: 767px) {
    .font-serif {
      font-size: clamp(2rem, 8vw, 3rem);
    }
  }