/* =======================
       CSS VARIABLES & RESET
       ======================= */
    :root {
      --primary: #0066CC;
      --primary-dark: #004C99;
      --secondary: #00A3E0;
      --accent: #8A2BE2;
      --dark: #1A1D29;
      --darker: #12141C;
      --light: #F5F7FA;
      --gray: #E8ECF1;
      --text-dark: #2D3748;
      --text-light: #FFFFFF;
      --text-gray: #718096;
      --shadow: 0 4px 20px rgba(0,0,0,0.08);
      --transition: all 0.3s ease;
    }

    * { 
      box-sizing: border-box; 
      margin: 0; 
      padding: 0; 
    }

    html { 
      scroll-behavior: smooth; 
    }

    body { 
      font-family: 'Inter', sans-serif; 
      color: var(--text-dark); 
      background: var(--light); 
      line-height: 1.6; 
      overflow-x: hidden;
    }

    .container { 
      width: 92%; 
      max-width: 1200px; 
      margin: 0 auto; 
    }

    h1, h2, h3, h4 {
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 1rem;
    }

    p {
      margin-bottom: 1rem;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    img {
      max-width: 100%;
      height: auto;
    }

    section {
      padding: 5rem 0;
    }

    /* =======================
       BUTTONS
       ======================= */
    .btn {
      display: inline-block;
      padding: 0.9rem 2rem;
      border-radius: 6px;
      font-weight: 600;
      text-align: center;
      transition: var(--transition);
      cursor: pointer;
      border: 2px solid transparent;
      font-size: 1rem;
    }

    .btn-primary {
      background: var(--primary);
      color: var(--text-light);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(0, 102, 204, 0.3);
    }

    .btn-secondary {
      background: var(--secondary);
      color: var(--text-light);
    }

    .btn-secondary:hover {
      background: #0088CC;
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(0, 163, 224, 0.3);
    }

    .btn-dark {
      background: var(--dark);
      color: var(--text-light);
    }

    .btn-dark:hover {
      background: #252A3A;
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(0,0,0,0.2);
    }

    .btn-outline {
      border: 2px solid var(--primary);
      color: var(--primary);
      background: transparent;
    }

    .btn-outline:hover {
      background: var(--primary);
      color: var(--text-light);
      transform: translateY(-2px);
    }

    /* =======================
       HEADER
       ======================= */
    .header {
      background: var(--dark);
      color: var(--text-light);
      padding: 1rem 0;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }

    .header-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo-container {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .logo-img {
      height: 40px;
      width: auto;
      filter: brightness(1.2);
      transition: var(--transition);
    }

    .logo-img:hover {
      transform: scale(1.05);
    }

    .tagline {
      color: var(--text-gray);
      font-size: 0.9rem;
      letter-spacing: 0.3px;
    }

    /* Navigation */
    .main-nav ul {
      list-style: none;
      display: flex;
      gap: 2rem;
      align-items: center;
    }

    .main-nav a {
      color: var(--text-light);
      font-weight: 500;
      padding: 0.5rem 0;
      transition: var(--transition);
      position: relative;
    }

    .main-nav a:hover {
      color: var(--secondary);
    }

    .main-nav a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--secondary);
      transition: var(--transition);
    }

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

    .nav-cta .btn {
      padding: 0.6rem 1.5rem;
    }

    /* Mobile Menu Button */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: var(--text-light);
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* =======================
       HERO SECTION
       ======================= */
    .hero-section {
      position: relative;
      background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
      padding: 12rem 0 8rem;
      overflow: hidden;
      margin-top: 80px;
      color: var(--text-light);
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 70% 30%, rgba(0, 163, 224, 0.1) 0%, transparent 60%);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
    }

    .hero-content h1 {
      font-size: 3.5rem;
      margin-bottom: 1.5rem;
      font-weight: 800;
      background: linear-gradient(90deg, var(--secondary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-content p {
      font-size: 1.2rem;
      color: var(--text-gray);
      margin-bottom: 2rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-buttons {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 3rem;
    }

    /* Floating Cards */
    .floating-cards {
      display: flex;
      gap: 1.5rem;
      justify-content: center;
      flex-wrap: wrap;
    }

    .float-card {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(10px);
      padding: 1.2rem 1.5rem;
      border-radius: 12px;
      box-shadow: var(--shadow);
      display: flex;
      gap: 0.8rem;
      align-items: center;
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .float-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 25px rgba(0,0,0,0.2);
      border-color: rgba(0, 163, 224, 0.3);
    }

    .float-card i {
      color: var(--secondary);
      font-size: 1.5rem;
    }

    .float-card span {
      font-weight: 600;
    }

    /* =======================
       SERVICES SECTION
       ======================= */
    .services-section {
      background: var(--light);
    }

    .section-header {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 4rem;
    }

    .section-header h2 {
      font-size: 2.5rem;
      color: var(--dark);
      margin-bottom: 1rem;
    }

    .section-header p {
      color: var(--text-gray);
      font-size: 1.1rem;
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
    }

    .service-card {
      background: var(--text-light);
      padding: 2.5rem 2rem;
      border-radius: 12px;
      box-shadow: var(--shadow);
      transition: var(--transition);
      text-align: center;
      position: relative;
      overflow: hidden;
      border-top: 4px solid transparent;
    }

    .service-card:nth-child(1) {
      border-top-color: var(--primary);
    }

    .service-card:nth-child(2) {
      border-top-color: var(--secondary);
    }

    .service-card:nth-child(3) {
      border-top-color: var(--accent);
    }

    .service-card:nth-child(4) {
      border-top-color: #00CC99;
    }

    .service-card:nth-child(5) {
      border-top-color: #FF6B6B;
    }

    .service-card:nth-child(6) {
      border-top-color: #FFA500;
    }

    .service-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    }

    .service-card i {
      color: var(--dark);
      font-size: 2.5rem;
      margin-bottom: 1.5rem;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .service-card h3 {
      font-size: 1.4rem;
      margin-bottom: 1rem;
      color: var(--dark);
    }

    .service-card p {
      color: var(--text-gray);
    }

    /* =======================
       WHY CHOOSE US
       ======================= */
    .why-section {
      background: var(--dark);
      color: var(--text-light);
      text-align: center;
    }

    .why-section .section-header h2 {
      color: var(--text-light);
    }

    .why-section .section-header p {
      color: var(--text-gray);
    }

    .why-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
    }

    .why-card {
      background: rgba(255, 255, 255, 0.05);
      border-radius: 12px;
      padding: 3rem 2rem;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .why-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 0 25px rgba(0, 163, 224, 0.2);
      border-color: rgba(0, 163, 224, 0.3);
    }

    .why-card i {
      color: var(--secondary);
      font-size: 2.5rem;
      margin-bottom: 1.5rem;
    }

    .why-card h3 {
      font-size: 1.4rem;
      margin-bottom: 1rem;
      color: var(--text-light);
    }

    .why-card p {
      color: #ddd;
    }

    /* =======================
       TESTIMONIALS
       ======================= */
    .testimonials-section {
      background: var(--light);
      text-align: center;
    }

    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      max-width: 1000px;
      margin: 0 auto;
    }

    .testimonial-card {
      background: var(--text-light);
      border-radius: 12px;
      padding: 2.5rem;
      box-shadow: var(--shadow);
      transition: var(--transition);
      position: relative;
      text-align: left;
    }

    .testimonial-card::before {
      content: '"';
      position: absolute;
      top: 10px;
      left: 20px;
      font-size: 4rem;
      color: var(--primary);
      opacity: 0.2;
      font-family: serif;
    }

    .testimonial-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    }

    .testimonial-card p {
      font-size: 1.1rem;
      color: var(--text-dark);
      margin-bottom: 1.5rem;
      position: relative;
      z-index: 1;
    }

    .testimonial-card .client {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .testimonial-card .client-info {
      display: flex;
      flex-direction: column;
    }

    .testimonial-card .client-name {
      font-weight: 600;
      color: var(--dark);
    }

    .testimonial-card .client-role {
      color: var(--text-gray);
      font-size: 0.9rem;
    }

    /* =======================
       CTA SECTION
       ======================= */
    .cta-section {
      background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
      color: var(--text-light);
      text-align: center;
      padding: 4rem 0;
    }

    .cta-section h2 {
      font-size: 2.2rem;
      margin-bottom: 1rem;
    }

    .cta-section p {
      font-size: 1.1rem;
      margin-bottom: 2rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
      opacity: 0.9;
    }

    /* =======================
       CONTACT SECTION
       ======================= */
    .contact-section {
      background: var(--dark);
      color: var(--text-light);
      text-align: center;
    }

    .contact-section .section-header h2 {
      color: var(--text-light);
    }

    .contact-section .section-header p {
      color: var(--text-gray);
    }

    .contact-info {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 2rem;
      max-width: 800px;
      margin: 0 auto;
    }

    .contact-item {
      padding: 2rem;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 12px;
      transition: var(--transition);
    }

    .contact-item:hover {
      transform: translateY(-5px);
      background: rgba(255, 255, 255, 0.08);
    }

    .contact-item i {
      font-size: 2rem;
      color: var(--secondary);
      margin-bottom: 1rem;
    }

    .contact-item h3 {
      font-size: 1.2rem;
      margin-bottom: 0.5rem;
    }

    .contact-item a {
      color: var(--text-light);
      transition: var(--transition);
    }

    .contact-item a:hover {
      color: var(--secondary);
    }

    /* =======================
       FOOTER
       ======================= */
    .footer {
      background: var(--darker);
      color: var(--text-light);
      padding: 3rem 0;
      text-align: center;
    }

    .footer-inner {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 1rem;
    }

    .footer-logo {
      height: 40px;
      filter: brightness(1.2);
    }

    .footer-tag {
      color: #ccc;
    }

    .copyright {
      color: #999;
      font-size: 0.9rem;
    }

    /* =======================
       ANIMATIONS
       ======================= */
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.8s ease, transform 0.8s ease;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* =======================
       RESPONSIVE STYLES
       ======================= */
    @media (max-width: 992px) {
      .hero-content h1 {
        font-size: 3rem;
      }
      
      .services-grid,
      .why-grid,
      .testimonials-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      }
    }

    @media (max-width: 768px) {
      /* Header */
      .header-inner {
        flex-wrap: wrap;
      }
      
      .mobile-menu-btn {
        display: block;
      }
      
      .main-nav {
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
      }
      
      .main-nav.active {
        max-height: 300px;
        margin-top: 1rem;
      }
      
      .main-nav ul {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
      }
      
      .nav-cta {
        margin-top: 1rem;
      }
      
      /* Hero */
      .hero-section {
        padding: 10rem 0 6rem;
      }
      
      .hero-content h1 {
        font-size: 2.5rem;
      }
      
      .hero-content p {
        font-size: 1.1rem;
      }
      
      .floating-cards {
        flex-direction: column;
        align-items: center;
      }
      
      /* Sections */
      section {
        padding: 4rem 0;
      }
      
      .section-header h2 {
        font-size: 2rem;
      }
      
      .cta-section h2 {
        font-size: 1.8rem;
      }
    }

    @media (max-width: 576px) {
      .logo-container {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
      }
      
      .hero-content h1 {
        font-size: 2rem;
      }
      
      .hero-buttons {
        flex-direction: column;
        align-items: center;
      }
      
      .btn {
        width: 100%;
        max-width: 250px;
      }
      
      .services-grid,
      .why-grid,
      .testimonials-grid {
        grid-template-columns: 1fr;
      }
      
      .service-card,
      .why-card,
      .testimonial-card {
        padding: 2rem 1.5rem;
      }
    }