/* Reset & Base */
  *, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

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

  body {
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  ::selection {
    background: rgba(52, 212, 180, 0.3);
    color: #fff;
  }

  /* Scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #0a1628;
  }
  ::-webkit-scrollbar-thumb {
    background: #1a3a5c;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #34d4b4;
  }

  /* Geometric Shapes */
  .geo-shape {
    position: absolute;
    pointer-events: none;
    opacity: 0.5;
  }

  .geo-circle-1 {
    width: 400px;
    height: 400px;
    border: 2px solid rgba(52, 212, 180, 0.15);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
  }

  .geo-circle-2 {
    width: 200px;
    height: 200px;
    background: rgba(52, 212, 180, 0.06);
    border-radius: 50%;
    bottom: 10%;
    left: 5%;
    animation: float 6s ease-in-out infinite reverse;
  }

  .geo-circle-3 {
    width: 120px;
    height: 120px;
    border: 2px solid rgba(52, 212, 180, 0.1);
    border-radius: 50%;
    top: 40%;
    right: 10%;
    animation: float 10s ease-in-out infinite;
  }

  .geo-square-1 {
    width: 80px;
    height: 80px;
    background: rgba(52, 212, 180, 0.05);
    border: 1px solid rgba(52, 212, 180, 0.15);
    top: 25%;
    left: 8%;
    transform: rotate(45deg);
    animation: spin 20s linear infinite;
  }

  .geo-square-2 {
    width: 60px;
    height: 60px;
    border: 2px solid rgba(52, 212, 180, 0.1);
    bottom: 20%;
    right: 15%;
    transform: rotate(30deg);
    animation: spin 15s linear infinite reverse;
  }

  .geo-triangle-1 {
    width: 0;
    height: 0;
    border-left: 40px solid transparent;
    border-right: 40px solid transparent;
    border-bottom: 70px solid rgba(52, 212, 180, 0.06);
    top: 60%;
    left: 15%;
    animation: float 7s ease-in-out infinite;
  }

  /* Hero Lines */
  .hero-lines {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
  }

  .hero-line {
    position: absolute;
    background: linear-gradient(to bottom, transparent, rgba(52, 212, 180, 0.08), transparent);
    width: 1px;
  }

  .hero-line-1 {
    height: 300px;
    top: 20%;
    left: 15%;
    animation: lineGrow 3s ease-out forwards;
  }

  .hero-line-2 {
    height: 200px;
    top: 40%;
    right: 20%;
    animation: lineGrow 3s ease-out 0.5s forwards;
    opacity: 0;
  }

  .hero-line-3 {
    height: 250px;
    bottom: 20%;
    left: 25%;
    animation: lineGrow 3s ease-out 1s forwards;
    opacity: 0;
  }

  /* Animations */
  @keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
  }

  @keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  @keyframes lineGrow {
    from { height: 0; opacity: 0; }
    to { opacity: 1; }
  }

  /* Hero Badge */
  .hero-badge {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(52, 212, 180, 0.3);
    backdrop-filter: blur(10px);
  }

  /* Service Cards */
  .service-card {
    backface-visibility: hidden;
  }

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

  .gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.5), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: inherit;
  }

  .gallery-item:hover::after {
    opacity: 1;
  }

  /* Testimonial Cards */
  .testimonial-card {
    transition: transform 0.4s ease, box-shadow 0.4s ease;
  }

  .testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(52, 212, 180, 0.1);
  }

  /* Nav */
  #navbar {
    backdrop-filter: blur(0px);
    transition: backdrop-filter 0.4s ease, background 0.4s ease, padding 0.4s ease;
  }

  #navbar.scrolled {
    backdrop-filter: blur(20px);
    background: rgba(10, 22, 40, 0.85);
    padding-top: 0;
    padding-bottom: 0;
  }

  /* Mobile Menu */
  .mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
  }

  #mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
  }

  #mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
  #mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
  #mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
  #mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
  #mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }
  #mobile-menu.open .mobile-link:nth-child(6) { transition-delay: 0.35s; }

  /* Menu Lines Animation */
  #menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  #menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
  }
  #menu-btn.active .menu-line:nth-child(3) {
    width: 6px;
    transform: rotate(-45deg) translate(5px, -5px);
  }

  /* Reveal Animations */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s 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; }
  .reveal-delay-5 { transition-delay: 0.5s; }
  .reveal-delay-6 { transition-delay: 0.6s; }

  /* Hero text animation */
  #hero h1 {
    animation: heroReveal 1s ease forwards;
  }

  #hero p {
    animation: heroReveal 1s ease 0.2s forwards;
    opacity: 0;
  }

  #hero .flex {
    animation: heroReveal 1s ease 0.4s forwards;
    opacity: 0;
  }

  #hero .hero-badge {
    animation: heroReveal 1s ease 0.1s forwards;
    opacity: 0;
  }

  @keyframes heroReveal {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Select styling */
  select option {
    background: #0a1628;
    color: #fff;
  }