:root {
    --midnight-950: #030810;
    --midnight-900: #070E1A;
    --mint-400: #5EEAD4;
    --mint-300: #99F6E4;
  }

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

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

  body {
    margin: 0;
    overflow-x: hidden;
  }

  ::selection {
    background: rgba(94, 234, 212, 0.3);
    color: #fff;
  }

  /* ── Navbar ── */
  #navbar {
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
  }

  #navbar.scrolled {
    background: rgba(3, 8, 16, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
  }

  .nav-link {
    position: relative;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--mint-400);
    transition: width 0.3s ease;
  }

  .nav-link:hover::after {
    width: 100%;
  }

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

  .mobile-nav-link {
    position: relative;
  }

  .mobile-nav-link::after {
    content: '';
    display: block;
    width: 0;
    height: 1px;
    background: var(--mint-400);
    transition: width 0.3s ease;
    margin: 4px auto 0;
  }

  .mobile-nav-link:hover::after {
    width: 60%;
  }

  /* ── Hero ── */
  .hero-bg {
    will-change: transform;
  }

  .hero-overlay {
    background: linear-gradient(
      180deg,
      rgba(3, 8, 16, 0.55) 0%,
      rgba(3, 8, 16, 0.40) 40%,
      rgba(3, 8, 16, 0.70) 100%
    );
  }

  .hero-headline {
    opacity: 0;
    transform: translateY(30px);
    animation: heroFadeIn 1s ease forwards 0.3s;
  }

  .hero-badge {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1s ease forwards 0.1s;
  }

  .hero-subtitle {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1s ease forwards 0.5s;
  }

  .hero-ctas {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeIn 1s ease forwards 0.7s;
  }

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

  .scroll-indicator {
    animation: scrollBounce 2s ease-in-out infinite;
  }

  @keyframes scrollBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
  }

  /* ── Buttons ── */
  .cta-primary {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
  }

  .cta-primary:hover::before {
    left: 100%;
  }

  .cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(94, 234, 212, 0.25);
  }

  .cta-secondary {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .cta-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.08);
  }

  /* ── Section Labels ── */
  .section-label {
    display: inline-flex;
    align-items: center;
    gap: 12px;
  }

  /* ── Stats ── */
  .stat-item {
    opacity: 0;
    transform: translateY(20px);
  }

  .stat-item.revealed {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  /* ── Amenity Cards ── */
  .amenity-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }

  .amenity-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  }

  /* ── Gallery ── */
  .gallery-item {
    cursor: pointer;
  }

  .gallery-item img {
    transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  /* ── Reveal Animations ── */
  .reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }

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

  .reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }

  .reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
  }

  .reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
  }

  .reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
  }

  /* ── Reduced Motion ── */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
    html {
      scroll-behavior: auto;
    }
    .reveal-up, .reveal-left, .reveal-right {
      opacity: 1;
      transform: none;
    }
    .hero-headline, .hero-badge, .hero-subtitle, .hero-ctas {
      opacity: 1;
      transform: none;
    }
  }

  /* ── Responsive ── */
  @media (max-width: 767px) {
    .hero-headline {
      font-size: 3rem;
    }

    .stat-number {
      font-size: 2.5rem !important;
    }
  }

  @media (min-width: 768px) and (max-width: 1023px) {
    .hero-headline {
      font-size: 4.5rem;
    }
  }

  @media (min-width: 1280px) {
    .hero-headline {
      font-size: 6rem;
    }
  }