/* ─── Base & Utilities ─── */
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
  }

  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  ::selection {
    background: #99f6e4;
    color: #134e4a;
  }

  /* ─── Navigation ─── */
  .nav {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  .nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  }

  .nav.scrolled .nav-logo-text {
    color: #0f766e;
  }

  .nav-link.active {
    color: #0d9488 !important;
    background: #f0fdfa !important;
  }

  /* ─── Hero ─── */
  .hero {
    background: linear-gradient(135deg, #f8fafc 0%, #f0fdfa 50%, #f8fafc 100%);
  }

  .hero-blob-1 {
    background: radial-gradient(circle, #2dd4bf, transparent 70%);
  }

  .hero-blob-2 {
    background: radial-gradient(circle, #818cf8, transparent 70%);
  }

  .hero-float {
    animation: float 4s ease-in-out infinite;
  }

  .hero-float-delayed {
    animation: float 4s ease-in-out infinite;
    animation-delay: 2s;
  }

  @keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
  }

  /* ─── Buttons ─── */
  .btn-primary {
    position: relative;
    overflow: hidden;
  }

  .btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.2s;
  }

  .btn-primary:hover::after {
    opacity: 1;
  }

  .btn-secondary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.5) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.2s;
  }

  .btn-secondary:hover::after {
    opacity: 1;
  }

  /* ─── Service Cards ─── */
  .service-card {
    position: relative;
  }

  .service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(13,148,136,0.05) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
  }

  .service-card:hover::before {
    opacity: 1;
  }

  /* ─── Input Fields ─── */
  .input-field {
    appearance: none;
    background-clip: padding-box;
  }

  .input-field:focus {
    background: #fafafa;
  }

  /* ─── Scroll Reveal ─── */
  .scroll-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);
  }

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

  /* ─── Scroll Indicator ─── */
  .scroll-dot {
    animation: scrollBounce 1.8s ease-in-out infinite;
  }

  @keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(6px); opacity: 0.4; }
  }

  /* ─── Testimonial Cards ─── */
  .testimonial-card {
    transition: transform 0.3s ease, background 0.3s ease;
  }

  .testimonial-card:hover {
    transform: translateY(-4px);
  }

  /* ─── Mobile Menu ─── */
  .nav-mobile {
    animation: slideDown 0.25s ease-out;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .mobile-link {
    border-radius: 14px;
  }

  /* ─── Responsive ─── */
  @media (max-width: 768px) {
    .hero-float-1 {
      position: relative;
      top: auto !important;
      left: auto !important;
      display: inline-flex;
      margin-top: 1rem;
    }

    .hero-float-2 {
      position: relative;
      top: auto !important;
      right: auto !important;
      display: inline-flex;
      margin-top: 0.5rem;
    }

    .hero-float-1, .hero-float-2 {
      animation: none;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .scroll-reveal {
      opacity: 1;
      transform: none;
    }
  }