:root {
    --primary: #0d6efd;
    --primary-dark: #0b5ed7;
    --secondary: #6c757d;
    --success: #198754;
    --light: #f8f9fa;
    --dark: #212529;
    --text-muted: #6c757d;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #ffffff;
    overflow-x: hidden;
  }
  
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
  }
  
  .navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
  }
  
  .navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
  }
  
  .nav-link {
    font-weight: 500;
    color: var(--dark);
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
  }
  
  .nav-link:hover {
    color: var(--primary);
  }
  
  .hero-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding-top: 80px;
  }
  
  .hero-illustration {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
  }
  
  .hero-icon {
    font-size: 15rem;
    color: var(--primary);
    opacity: 0.1;
    animation: float 3s ease-in-out infinite;
  }
  
  @keyframes float {
    0%, 100% {
      transform: translateY(0px);
    }
    50% {
      transform: translateY(-20px);
    }
  }
  
  .btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
  }
  
  .btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
  }
  
  .btn-outline-primary {
    border-color: var(--primary);
    color: var(--primary);
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
  }
  
  .btn-outline-primary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.2);
  }
  
  .service-card {
    transition: all 0.3s ease;
    height: 100%;
  }
  
  .service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
  }
  
  .service-icon i {
    font-size: 3rem;
    color: var(--primary);
  }
  
  .solution-illustration {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
  }
  
  .solution-icon {
    font-size: 12rem;
    color: var(--primary);
    opacity: 0.15;
  }
  
  .tech-category {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    height: 100%;
  }
  
  .tech-tags .badge {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    margin-right: 0.5rem;
  }
  
  .process-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }
  
  .process-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
  }
  
  .step-number {
    min-width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
  }
  
  .step-content {
    flex: 1;
    padding-top: 0.5rem;
  }
  
  .company-info-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  }
  
  .info-item {
    padding-bottom: 1rem;
    border-bottom: 1px solid #e9ecef;
  }
  
  .info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  
  .form-control,
  .form-select {
    padding: 0.75rem 1rem;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    transition: all 0.3s ease;
  }
  
  .form-control:focus,
  .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.1);
  }
  
  .form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
  }
  
  .invalid-feedback {
    display: none;
    font-size: 0.875rem;
    color: #dc3545;
    margin-top: 0.25rem;
  }
  
  .form-control.is-invalid,
  .form-select.is-invalid {
    border-color: #dc3545;
  }
  
  .form-control.is-invalid ~ .invalid-feedback,
  .form-select.is-invalid ~ .invalid-feedback {
    display: block;
  }
  
  /* ── Testimonials ── */
  .testimonials-section {
    background: linear-gradient(135deg, #1e2a3a 0%, #2d3e50 50%, #1e2a3a 100%);
    position: relative;
    overflow: hidden;
  }

  .testimonials-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 150%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(13, 110, 253, 0.08) 0%, transparent 70%),
                radial-gradient(ellipse at 70% 50%, rgba(13, 110, 253, 0.06) 0%, transparent 70%);
    pointer-events: none;
  }

  .testimonials-accent {
    width: 50px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
  }

  .testimonial-card {
    max-width: 700px;
    padding: 1rem 2rem 2rem;
  }

  .testimonial-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.2);
    object-fit: cover;
  }

  .testimonial-quote {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    line-height: 1.7;
    font-style: italic;
    margin: 0;
    padding: 0 1rem;
  }

  .carousel-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
  }

  .carousel-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
  }

  .carousel-arrow i {
    font-size: 1.25rem;
    color: #fff;
  }

  .carousel-control-prev,
  .carousel-control-next {
    width: auto;
    opacity: 1;
    top: 50%;
    transform: translateY(-50%);
    bottom: auto;
    height: auto;
  }

  .carousel-control-prev {
    left: 0;
  }

  .carousel-control-next {
    right: 0;
  }

  @media (max-width: 767px) {
    .testimonial-card {
      padding: 1rem 0.5rem 1.5rem;
    }

    .testimonial-quote {
      font-size: 0.95rem;
      padding: 0;
    }

    .carousel-control-prev,
    .carousel-control-next {
      position: relative;
      display: inline-flex;
      top: auto;
      transform: none;
      margin-top: 1rem;
    }
  }

  /* ── FAQ Accordion ── */
  .accordion-button {
    background-color: #fff;
    color: var(--dark);
    font-size: 1.05rem;
    padding: 1.25rem 1.5rem;
  }

  .accordion-button:not(.collapsed) {
    background-color: #fff;
    color: var(--primary);
    box-shadow: none;
  }

  .accordion-button:focus {
    box-shadow: none;
    border-color: transparent;
  }

  .accordion-button::after {
    transition: transform 0.3s ease;
  }

  .accordion-body {
    padding: 0 1.5rem 1.25rem;
    line-height: 1.7;
  }

  .accordion-item {
    overflow: hidden;
  }

  footer {
    margin-top: 0;
  }
  
  .footer-nav-link {
    font-weight: 500;
    opacity: 0.85;
    transition: opacity 0.2s ease;
  }
  
  .footer-nav-link:hover {
    opacity: 1;
    color: #fff !important;
  }
  
  @media (max-width: 991px) {
    .hero-section {
      padding-top: 100px;
    }
  
    .hero-icon {
      font-size: 8rem;
    }
  
    .solution-icon {
      font-size: 6rem;
    }
  
    .process-step {
      flex-direction: column;
      gap: 1rem;
    }
  
    .step-number {
      min-width: 50px;
      height: 50px;
      font-size: 1.25rem;
    }
  }
  
  @media (max-width: 767px) {
    .display-3 {
      font-size: 2.5rem;
    }
  
    .display-5 {
      font-size: 2rem;
    }
  
    .hero-icon {
      font-size: 5rem;
    }
  
    .btn-lg {
      padding: 0.5rem 1.5rem;
      font-size: 1rem;
    }
  }