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

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

  /* Geometric Background Shapes */
  .geo-shape {
    position: absolute;
    pointer-events: none;
  }

  .shape-circle-1 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    top: -100px;
    left: -100px;
  }

  .shape-circle-2 {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(15, 118, 110, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: 40%;
    right: 5%;
  }

  .shape-rect-1 {
    width: 120px;
    height: 120px;
    background: rgba(20, 184, 166, 0.06);
    border-radius: 24px;
    top: 25%;
    left: 55%;
    transform: rotate(15deg);
  }

  .shape-triangle {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(148, 163, 184, 0.08);
    top: 60%;
    left: 10%;
    transform: rotate(-20deg);
  }

  .shape-dots {
    width: 100px;
    height: 100px;
    background-image: radial-gradient(circle, rgba(20, 184, 166, 0.2) 1.5px, transparent 1.5px);
    background-size: 12px 12px;
    top: 15%;
    right: 15%;
    opacity: 0.6;
  }

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

  .service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0F766E, #14b8a6);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
  }

  .service-card:hover::before {
    transform: scaleX(1);
  }

  /* Why Cards */
  .why-card {
    position: relative;
  }

  .why-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0F766E, #14b8a6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
  }

  .why-card:hover::after {
    width: 60%;
  }

  /* Navigation */
  .nav-link {
    position: relative;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0F766E;
    transition: width 0.2s ease;
  }

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

  /* Scroll Reveal Animations */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .reveal.visible {
      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; }
    .reveal-delay-4 { transition-delay: 0.4s; }
  }

  /* Mobile Menu Animation */
  #mobile-menu {
    animation: slideDown 0.2s ease;
  }

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

  /* Floating Card Animation */
  @media (prefers-reduced-motion: no-preference) {
    .floating-card {
      animation: float 4s ease-in-out infinite;
    }

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

  /* Underline animation for hero word */
  h1 span.relative {
    position: relative;
    display: inline-block;
  }

  h1 span.relative svg {
    transition: stroke-dashoffset 0.4s ease;
  }

  /* Form focus states */
  input:focus, select:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
  }

  /* Subtle gradient text effect */
  .gradient-text {
    background: linear-gradient(135deg, #0F766E, #14b8a6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }

  ::-webkit-scrollbar-track {
    background: #f1f5f9;
  }

  ::-webkit-scrollbar-thumb {
    background: #94a3b8;
    border-radius: 4px;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: #64748b;
  }