/* ============================================= */
    /* SPÓJNA PALETA KOLORÓW - UX/UI Design System */
    /* ============================================= */
    :root {
      /* Primary Colors - Blue */
      --primary-500: #3b82f6;
      --primary-600: #2563eb;
      --primary-400: #60a5fa;
      --primary-300: #93c5fd;
      
      /* Secondary/Accent - Cyan */
      --accent-500: #06b6d4;
      --accent-600: #0891b2;
      --accent-400: #22d3ee;
      
      /* Highlights */
      --highlight-500: #38bdf8;
      --highlight-400: #7dd3fc;
      
      /* Backgrounds */
      --bg-primary: #0a0a0f;
      --bg-secondary: #0f1419;
      --bg-tertiary: #151c25;
      --bg-card: rgba(59, 130, 246, 0.05);
      
      /* Text Colors */
      --text-primary: #ffffff;
      --text-secondary: #e5e7eb;
      --text-muted: #9ca3af;
      --text-subtle: #6b7280;
      
      /* Borders */
      --border-primary: rgba(59, 130, 246, 0.25);
      --border-hover: rgba(59, 130, 246, 0.45);
      --border-active: rgba(59, 130, 246, 0.7);
      
      /* Gradients */
      --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
      --gradient-secondary: linear-gradient(135deg, #2563eb 0%, #0891b2 100%);
      --gradient-card: linear-gradient(135deg, rgba(59, 130, 246, 0.06) 0%, rgba(6, 182, 212, 0.06) 100%);
      --gradient-text: linear-gradient(135deg, #ffffff 0%, #60a5fa 100%);
      --gradient-bg: linear-gradient(180deg, #0a0a0f 0%, #0f1419 50%, #0a0a0f 100%);
      
      /* Shadows */
      --shadow-primary: 0 10px 40px rgba(59, 130, 246, 0.2);
      --shadow-hover: 0 20px 60px rgba(59, 130, 246, 0.3);
      --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.35);
    }

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

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
      background: var(--gradient-bg);
      color: var(--text-secondary);
      line-height: 1.6;
      overflow-x: hidden;
      box-sizing: border-box;
    }

    /* Navigation */
    nav {
      position: fixed;
      top: 0;
      width: 100%;
      background: rgba(10, 10, 15, 0.85);
      backdrop-filter: blur(20px);
      z-index: 1000;
      box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
      border-bottom: 1px solid var(--border-primary);
    }

    .nav-container {
      max-width: 100%;
      margin: 0 auto;
      padding: 1.2rem 5%;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .logo {
      font-size: 1.5rem;
      font-weight: 700;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      cursor: pointer;
    }

    .nav-links {
      display: flex;
      gap: 2.5rem;
      list-style: none;
    }

    .nav-links a {
      color: var(--text-secondary);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s;
      font-size: 0.95rem;
      cursor: pointer;
    }

    .nav-links a:hover {
      color: var(--primary-400);
    }

    .nav-links a.active {
      color: var(--accent-400);
      font-weight: 600;
    }

    /* Mobile Menu Toggle - Hidden on Desktop */
    .mobile-menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 5px;
      z-index: 1001;
    }

    .mobile-menu-toggle span {
      width: 25px;
      height: 3px;
      background: var(--text-secondary);
      border-radius: 2px;
      transition: all 0.3s;
    }

    /* Page visibility */
    .page {
      display: none;
    }

    .page.active {
      display: block;
    }

    /* Hero Cube Section */
    .hero-cube-section {
      min-height: 100vh;
      padding: 12rem 5% 8rem;
      background: transparent;
      position: relative;
      overflow: hidden;
    }

    .hero-cube-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: radial-gradient(circle at 50% 60%, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
      pointer-events: none;
    }

    .hero-with-cube-layout {
      max-width: 1400px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .hero-content-left {
      position: relative;
      z-index: 2;
    }

    .hero-cube-right {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .hero-content-left h1 {
      font-size: 3.5rem;
      font-weight: 800;
      margin-bottom: 1.5rem;
      background: linear-gradient(135deg, #ffffff 0%, #60a5fa 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1.2;
      text-align: left;
    }

    .hero-content-left > p {
      font-size: 1.2rem;
      color: #a1a1aa;
      margin-bottom: 2.5rem;
      line-height: 1.8;
      text-align: left;
    }

    .cube-container-hero {
      width: 500px;
      height: 500px;
      perspective: 1500px;
      position: relative;
    }

    .cube-container-hero .cube {
      width: 300px;
      height: 300px;
      position: absolute;
      top: 50%;
      left: 50%;
      transform-style: preserve-3d;
      transition: transform 0.6s ease-out;
      user-select: none;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
    }

    #hero-cube {
      cursor: grab;
    }

    #hero-cube.dragging {
      cursor: grabbing;
    }

    .cta-button {
      display: inline-block;
      padding: 1rem 3rem;
      background: var(--gradient-primary);
      color: white;
      text-decoration: none;
      border-radius: 12px;
      font-weight: 600;
      font-size: 1.1rem;
      transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
      box-shadow: var(--shadow-primary);
      cursor: pointer;
      border: none;
      margin-top: 2rem;
    }

    .cta-button:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      background: var(--gradient-secondary);
    }

    /* Mobile CTA button - hidden on desktop */
    .cta-button-mobile {
      display: none;
    }

    /* Section Styles */
    section {
      padding: 8rem 5%;
      width: 100%;
      margin: 0;
    }

    .section-title {
      font-size: 3rem;
      font-weight: 700;
      text-align: center;
      margin-bottom: 1rem;
      background: linear-gradient(135deg, #ffffff 0%, #60a5fa 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .section-subtitle {
      text-align: center;
      color: #a1a1aa;
      font-size: 1.2rem;
      margin-bottom: 4rem;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* About Section */
    #about {
      background: rgba(10, 10, 15, 0.6);
      border-top: 1px solid var(--border-primary);
      border-bottom: 1px solid var(--border-primary);
    }

    .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: center;
      max-width: 1400px;
      margin: 0 auto;
    }

    .about-text {
      font-size: 1.1rem;
      line-height: 1.8;
      color: #d4d4d8;
    }

    .about-text p {
      margin-bottom: 1.5rem;
    }

    .about-visual {
      background: var(--gradient-card);
      border-radius: 20px;
      padding: 3rem;
      border: 1px solid var(--border-primary);
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .stat-item {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .stat-icon {
      width: 50px;
      height: 50px;
      background: var(--gradient-primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    }

    .stat-text h3 {
      font-size: 1.3rem;
      margin-bottom: 0.3rem;
      color: var(--text-primary);
    }

    .stat-text p {
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    /* Services Section */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 2rem;
      margin-top: 3rem;
    }

    .service-card {
      background: var(--gradient-card);
      border: 1px solid var(--border-primary);
      border-radius: 20px;
      padding: 2.5rem;
      transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
      cursor: pointer;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-hover);
    }

    .service-icon {
      width: 60px;
      height: 60px;
      background: var(--gradient-primary);
      border-radius: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      margin-bottom: 1.5rem;
      box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    }

    .service-card h3 {
      font-size: 1.5rem;
      margin-bottom: 1rem;
      color: #ffffff;
    }

    .service-card p {
      color: #a1a1aa;
      line-height: 1.7;
    }

    /* 3D Interactive Cube Section */
    .interactive-services {
      background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-tertiary) 50%, var(--bg-primary) 100%);
      position: relative;
      overflow: hidden;
      padding: 8rem 5% !important;
      border-top: 1px solid var(--border-primary);
      border-bottom: 1px solid var(--border-primary);
    }

    /* Neural Rain Effect */
    .neural-rain {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 1;
    }

    .neuron-drop {
      position: absolute;
      width: 3px;
      background: linear-gradient(180deg,
        rgba(59, 130, 246, 0) 0%,
        rgba(56, 189, 248, 0.8) 50%,
        rgba(59, 130, 246, 0) 100%);
      animation: neuronFall linear infinite;
      filter: blur(1px);
    }

    .neuron-drop::before {
      content: '';
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 8px;
      height: 8px;
      background: radial-gradient(circle,
        rgba(96, 165, 250, 1) 0%,
        rgba(96, 165, 250, 0.4) 50%,
        transparent 100%);
      border-radius: 50%;
      box-shadow: 0 0 15px rgba(96, 165, 250, 0.8);
    }

    .neuron-drop::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 6px;
      height: 6px;
      background: radial-gradient(circle,
        rgba(125, 211, 252, 1) 0%,
        rgba(125, 211, 252, 0.3) 50%,
        transparent 100%);
      border-radius: 50%;
      box-shadow: 0 0 12px rgba(125, 211, 252, 0.6);
    }

    @keyframes neuronFall {
      0% {
        transform: translateY(-100px);
        opacity: 0;
      }
      10% {
        opacity: 1;
      }
      90% {
        opacity: 1;
      }
      100% {
        transform: translateY(calc(100vh + 100px));
        opacity: 0;
      }
    }

    .cube-container {
      width: 600px;
      height: 600px;
      perspective: 1500px;
      margin: 0 auto;
      position: relative;
    }

    .cube {
      width: 300px;
      height: 300px;
      position: absolute;
      top: 50%;
      left: 50%;
      transform-style: preserve-3d;
      transition: transform 0.6s ease-out;
    }

    .cube.dragging {
      cursor: grabbing;
    }

    #service-cube {
      cursor: grab;
    }

    .cube-face {
      position: absolute;
      width: 300px;
      height: 300px;
      backface-visibility: hidden;
      user-select: none;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
    }

    .cube-face:hover {
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.25) 0%, rgba(6, 182, 212, 0.25) 100%) !important;
      border-color: var(--accent-400) !important;
      box-shadow: var(--shadow-glow);
    }

    #service-cube {
      animation: cubeFloatRotate 8s ease-in-out infinite;
    }

    @keyframes cubeFloatRotate {
      0% {
        transform: translate(-50%, -50%) rotateX(-20deg) rotateY(0deg) translateY(0px);
      }
      25% {
        transform: translate(-50%, -50%) rotateX(-20deg) rotateY(90deg) translateY(-15px);
      }
      50% {
        transform: translate(-50%, -50%) rotateX(-20deg) rotateY(180deg) translateY(0px);
      }
      75% {
        transform: translate(-50%, -50%) rotateX(-20deg) rotateY(270deg) translateY(-15px);
      }
      100% {
        transform: translate(-50%, -50%) rotateX(-20deg) rotateY(360deg) translateY(0px);
      }
    }

    /* AI NEURAL NETWORK BACKGROUND */
    .sphere {
      position: absolute;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      transform-style: preserve-3d;
    }

    /* Neural network nodes */
    .sphere-ring {
      position: absolute;
      width: 8px;
      height: 8px;
      background: radial-gradient(circle,
        rgba(96, 165, 250, 1) 0%,
        rgba(96, 165, 250, 0.6) 50%,
        transparent 100%);
      border-radius: 50%;
      box-shadow: 0 0 20px rgba(96, 165, 250, 0.8);
      animation: nodeGlow 3s ease-in-out infinite;
    }

    @keyframes nodeGlow {
      0%, 100% {
        opacity: 0.4;
        transform: scale(1);
      }
      50% {
        opacity: 1;
        transform: scale(1.5);
      }
    }

    /* Connection lines between nodes */
    .sphere-particle {
      position: absolute;
      width: 2px;
      height: 100px;
      background: linear-gradient(180deg,
        rgba(59, 130, 246, 0.6) 0%,
        rgba(6, 182, 212, 0.2) 50%,
        transparent 100%);
      transform-origin: top center;
      animation: connectionPulse 4s ease-in-out infinite;
    }

    @keyframes connectionPulse {
      0%, 100% {
        opacity: 0.3;
      }
      50% {
        opacity: 0.8;
      }
    }

    /* Central AI brain core */
    .sphere-core {
      position: absolute;
      width: 200px;
      height: 200px;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      border-radius: 50%;
      background: radial-gradient(circle,
        rgba(59, 130, 246, 0.4) 0%,
        rgba(6, 182, 212, 0.2) 30%,
        rgba(59, 130, 246, 0.1) 60%,
        transparent 100%);
      animation: brainPulse 3s ease-in-out infinite;
      filter: blur(30px);
      pointer-events: none;
    }

    @keyframes brainPulse {
      0%, 100% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1);
      }
      50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
      }
    }

    /* Atmospheric data waves */
    .sphere-atmosphere {
      position: absolute;
      width: 600px;
      height: 600px;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      border-radius: 50%;
      border: 2px solid rgba(59, 130, 246, 0.15);
      animation: dataWave 8s ease-in-out infinite;
      pointer-events: none;
    }

    @keyframes dataWave {
      0%, 100% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1);
      }
      50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.15);
      }
    }

    /* Secondary data layer */
    .sphere-atmosphere-2 {
      position: absolute;
      width: 800px;
      height: 800px;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      border-radius: 50%;
      border: 1px solid rgba(6, 182, 212, 0.1);
      animation: dataWave2 10s ease-in-out infinite;
      pointer-events: none;
    }

    @keyframes dataWave2 {
      0%, 100% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1) rotate(0deg);
      }
      50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1) rotate(180deg);
      }
    }

    /* Why Us Section */
    #why-us {
      background: linear-gradient(180deg, rgba(18, 18, 26, 0.5) 0%, rgba(26, 26, 46, 0.3) 100%);
      border-top: 1px solid var(--border-primary);
      border-bottom: 1px solid var(--border-primary);
    }

    .why-us-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
      margin-top: 3rem;
      max-width: 1400px;
      margin-left: auto;
      margin-right: auto;
    }

    .why-card {
      text-align: center;
      padding: 2rem;
    }

    .why-icon {
      font-size: 3rem;
      margin-bottom: 1.5rem;
    }

    .why-card h3 {
      font-size: 1.3rem;
      margin-bottom: 1rem;
      color: #ffffff;
    }

    .why-card p {
      color: #a1a1aa;
      line-height: 1.7;
    }

    /* LinkedIn Style Section */
    .linkedin-section {
      background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    }

    .linkedin-header {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 3rem;
      justify-content: center;
    }

    .linkedin-logo {
      width: 40px;
      height: 40px;
      background: #0077b5;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-weight: bold;
      font-size: 1.5rem;
    }

    .linkedin-posts {
      display: grid;
      gap: 1.5rem;
      max-width: 700px;
      margin: 0 auto;
    }

    .linkedin-post {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid rgba(59, 130, 246, 0.15);
      border-radius: 12px;
      padding: 1.5rem;
      transition: background 0.3s;
    }

    .linkedin-post:hover {
      background: rgba(255, 255, 255, 0.04);
    }

    .post-header {
      display: flex;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    .post-avatar {
      width: 48px;
      height: 48px;
      background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      flex-shrink: 0;
    }

    .post-info h4 {
      font-size: 1rem;
      margin-bottom: 0.2rem;
      color: #ffffff;
    }

    .post-meta {
      font-size: 0.85rem;
      color: #71717a;
    }

    .post-content {
      color: #d4d4d8;
      line-height: 1.6;
      margin-bottom: 1rem;
    }

    .post-actions {
      display: flex;
      gap: 2rem;
      padding-top: 1rem;
      border-top: 1px solid rgba(59, 130, 246, 0.1);
    }

    .post-action {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--text-subtle);
      font-size: 0.9rem;
      cursor: pointer;
      transition: color 0.3s;
    }

    .post-action:hover {
      color: var(--primary-400);
    }

    /* Contact Form */
    .contact-section {
      background: linear-gradient(180deg, rgba(26, 26, 46, 0.3) 0%, var(--bg-primary) 100%);
      border-top: 1px solid var(--border-primary);
    }

    .contact-container {
      max-width: 600px;
      margin: 0 auto;
    }

    .form-group {
      margin-bottom: 1.5rem;
    }

    .form-group label {
      display: block;
      margin-bottom: 0.5rem;
      color: #e5e5e7;
      font-weight: 500;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 1rem;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-primary);
      border-radius: 12px;
      color: var(--text-secondary);
      font-size: 1rem;
      font-family: inherit;
      transition: border-color 0.3s, box-shadow 0.3s;
    }

    .form-group input:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--primary-500);
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    }

    .form-group textarea {
      resize: vertical;
      min-height: 150px;
    }

    /* BLOG PAGE STYLES */
    .blog-page-hero {
      background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
      padding: 8rem 3rem 4rem;
      text-align: center;
    }

    .blog-page-hero h1 {
      font-size: 3.5rem;
      font-weight: 800;
      margin-bottom: 1rem;
      background: linear-gradient(135deg, #ffffff 0%, #60a5fa 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .blog-page-hero p {
      color: var(--text-muted);
      font-size: 1.2rem;
      max-width: 600px;
      margin: 0 auto;
    }

    /* Blog Filters */
    .blog-filters {
      max-width: 1400px;
      margin: 0 auto;
      padding: 2rem 3rem;
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      justify-content: center;
    }

    .filter-btn {
      padding: 0.7rem 1.5rem;
      background: rgba(59, 130, 246, 0.1);
      border: 1px solid rgba(59, 130, 246, 0.3);
      border-radius: 50px;
      color: #e5e5e7;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s;
      font-size: 0.95rem;
    }

    .filter-btn:hover {
      background: rgba(59, 130, 246, 0.2);
      border-color: rgba(59, 130, 246, 0.5);
    }

    .filter-btn.active {
      background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
      border-color: transparent;
    }

    /* Blog Grid */
    .blog-main-content {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 3rem 6rem;
    }

    .blog-articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
      gap: 2.5rem;
    }

    .blog-article-card {
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
      border: 1px solid rgba(59, 130, 246, 0.2);
      border-radius: 20px;
      overflow: hidden;
      transition: transform 0.3s, box-shadow 0.3s;
      cursor: pointer;
    }

    .blog-article-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3);
    }

    .blog-card-image {
      width: 100%;
      height: 220px;
      background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 4rem;
      position: relative;
    }

    .blog-card-category {
      position: absolute;
      top: 1rem;
      left: 1rem;
      padding: 0.4rem 1rem;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(10px);
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      color: #ffffff;
    }

    .blog-card-body {
      padding: 2rem;
    }

    .blog-card-meta {
      display: flex;
      gap: 1rem;
      margin-bottom: 1rem;
      font-size: 0.85rem;
      color: #71717a;
    }

    .blog-card-title {
      font-size: 1.5rem;
      margin-bottom: 1rem;
      color: #ffffff;
      font-weight: 700;
      line-height: 1.3;
    }

    .blog-card-excerpt {
      color: #a1a1aa;
      line-height: 1.7;
      margin-bottom: 1.5rem;
    }

    .blog-card-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .read-more-link {
      color: #3b82f6;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      text-decoration: none;
    }

    .blog-card-tags {
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
    }

    .tag {
      padding: 0.3rem 0.8rem;
      background: rgba(59, 130, 246, 0.15);
      border-radius: 15px;
      font-size: 0.75rem;
      color: #a1a1aa;
    }

    /* ARTICLE PAGE STYLES */
    .article-page-layout {
      max-width: 1400px;
      margin: 0 auto;
      padding: 6rem 3rem;
      display: grid;
      grid-template-columns: 1fr 350px;
      gap: 4rem;
    }

    .article-main {
      max-width: 800px;
    }

    .article-header {
      margin-bottom: 3rem;
    }

    .back-to-blog {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      color: #3b82f6;
      text-decoration: none;
      font-weight: 600;
      margin-bottom: 2rem;
      transition: transform 0.3s;
    }

    .back-to-blog:hover {
      transform: translateX(-5px);
    }

    .article-category-badge {
      display: inline-block;
      padding: 0.5rem 1.2rem;
      background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 1.5rem;
    }

    .article-title {
      font-size: 3rem;
      font-weight: 800;
      margin-bottom: 1.5rem;
      color: #ffffff;
      line-height: 1.2;
    }

    .article-meta-info {
      display: flex;
      gap: 2rem;
      color: #71717a;
      font-size: 0.95rem;
      margin-bottom: 2rem;
      padding-bottom: 2rem;
      border-bottom: 1px solid rgba(59, 130, 246, 0.2);
    }

    .article-lead {
      font-size: 1.3rem;
      color: #d4d4d8;
      line-height: 1.8;
      margin-bottom: 3rem;
      padding: 2rem;
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
      border-left: 4px solid #3b82f6;
      border-radius: 8px;
    }

    .article-section {
      margin-bottom: 3rem;
    }

    .article-section h2 {
      font-size: 2rem;
      margin-bottom: 1.5rem;
      color: #ffffff;
    }

    .article-section p {
      font-size: 1.1rem;
      line-height: 1.8;
      color: #d4d4d8;
      margin-bottom: 1.5rem;
    }

    .article-section ul {
      color: #d4d4d8;
      line-height: 1.8;
      margin-left: 2rem;
      margin-bottom: 1.5rem;
    }

    .article-chart {
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
      border: 1px solid rgba(59, 130, 246, 0.2);
      border-radius: 20px;
      padding: 2rem;
      margin: 2rem 0;
    }

    .chart-title {
      font-size: 1.2rem;
      margin-bottom: 1.5rem;
      text-align: center;
      color: #ffffff;
    }

    .chart-bars {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .chart-bar {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .chart-label {
      width: 150px;
      font-size: 0.95rem;
      color: #a1a1aa;
    }

    .chart-bar-bg {
      flex: 1;
      height: 30px;
      background: rgba(59, 130, 246, 0.1);
      border-radius: 15px;
      overflow: hidden;
      position: relative;
    }

    .chart-bar-fill {
      height: 100%;
      background: linear-gradient(90deg, #3b82f6 0%, #06b6d4 100%);
      display: flex;
      align-items: center;
      justify-content: flex-end;
      padding-right: 1rem;
      color: white;
      font-weight: 600;
      font-size: 0.9rem;
      transition: width 1s ease-out;
    }

    .article-cta {
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
      border: 1px solid rgba(59, 130, 246, 0.3);
      border-radius: 20px;
      padding: 3rem;
      text-align: center;
      margin-top: 4rem;
    }

    .article-cta h3 {
      font-size: 2rem;
      margin-bottom: 1rem;
      color: #ffffff;
    }

    .article-cta p {
      color: #a1a1aa;
      margin-bottom: 2rem;
    }

    /* Sidebar */
    .article-sidebar {
      position: sticky;
      top: 100px;
      height: fit-content;
    }

    .sidebar-section {
      background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
      border: 1px solid rgba(59, 130, 246, 0.2);
      border-radius: 20px;
      padding: 2rem;
      margin-bottom: 2rem;
    }

    .sidebar-section h3 {
      font-size: 1.3rem;
      margin-bottom: 1.5rem;
      color: #ffffff;
    }

    .sidebar-article {
      padding: 1rem 0;
      border-bottom: 1px solid rgba(59, 130, 246, 0.1);
      cursor: pointer;
      transition: transform 0.3s;
    }

    .sidebar-article:last-child {
      border-bottom: none;
    }

    .sidebar-article:hover {
      transform: translateX(5px);
    }

    .sidebar-article-category {
      font-size: 0.75rem;
      color: #3b82f6;
      font-weight: 600;
      margin-bottom: 0.5rem;
    }

    .sidebar-article-title {
      font-size: 1rem;
      color: #e5e5e7;
      font-weight: 600;
      margin-bottom: 0.3rem;
      line-height: 1.4;
    }

    .sidebar-article-date {
      font-size: 0.85rem;
      color: #71717a;
    }

    .categories-list {
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
    }

    .category-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0.8rem;
      background: rgba(59, 130, 246, 0.1);
      border-radius: 10px;
      cursor: pointer;
      transition: all 0.3s;
    }

    .category-item:hover {
      background: rgba(59, 130, 246, 0.2);
    }

    .category-name {
      color: #e5e5e7;
      font-weight: 500;
    }

    .category-count {
      color: #71717a;
      font-size: 0.9rem;
    }

    .newsletter-box {
      background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
      padding: 2rem;
      border-radius: 15px;
      text-align: center;
    }

    .newsletter-box h3 {
      color: #ffffff;
      margin-bottom: 1rem;
      font-size: 1.3rem;
    }

    .newsletter-box p {
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 1.5rem;
      font-size: 0.95rem;
    }

    .newsletter-input {
      width: 100%;
      padding: 0.8rem;
      border: none;
      border-radius: 8px;
      margin-bottom: 1rem;
      font-size: 0.95rem;
    }

    .newsletter-btn {
      width: 100%;
      padding: 0.8rem;
      background: #ffffff;
      color: #3b82f6;
      border: none;
      border-radius: 8px;
      font-weight: 600;
      cursor: pointer;
      transition: transform 0.3s;
    }

    .newsletter-btn:hover {
      transform: translateY(-2px);
    }

    /* Footer */
    footer {
      background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
      border-top: 1px solid var(--border-primary);
      padding: 4rem 5% 2rem;
      backdrop-filter: blur(10px);
    }

    .footer-content {
      max-width: 1400px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 3rem;
      margin-bottom: 2rem;
    }

    .footer-brand h3 {
      font-size: 1.5rem;
      margin-bottom: 1rem;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .footer-brand p {
      color: #a1a1aa;
      line-height: 1.7;
    }

    .footer-links h4 {
      margin-bottom: 1rem;
      color: #ffffff;
    }

    .footer-links ul {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 0.7rem;
    }

    .footer-links a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.3s;
      cursor: pointer;
    }

    .footer-links a:hover {
      color: var(--primary-400);
    }

    .footer-bottom {
      max-width: 1400px;
      margin: 0 auto;
      padding-top: 2rem;
      border-top: 1px solid rgba(59, 130, 246, 0.1);
      text-align: center;
      color: #71717a;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .article-page-layout {
        grid-template-columns: 1fr;
      }

      .article-sidebar {
        position: static;
      }

      .cube-container-hero {
        width: 400px;
        height: 400px;
      }

      .cube-container-hero .cube {
        width: 220px;
        height: 220px;
      }

      .cube-container-hero .cube-face {
        width: 220px !important;
        height: 220px !important;
      }

      .cube-container-hero .cube .front { transform: translateZ(110px) !important; }
      .cube-container-hero .cube .back { transform: translateZ(-110px) rotateY(180deg) !important; }
      .cube-container-hero .cube .right { transform: translateX(110px) rotateY(90deg) !important; }
      .cube-container-hero .cube .left { transform: translateX(-110px) rotateY(-90deg) !important; }
      .cube-container-hero .cube .top { transform: translateY(-110px) rotateX(90deg) !important; }
      .cube-container-hero .cube .bottom { transform: translateY(110px) rotateX(-90deg) !important; }

      .cube-container-hero .cube-face > div:first-child {
        font-size: 3rem !important;
        margin-bottom: 0.75rem !important;
      }

      .cube-container-hero .cube-face > div:last-child {
        font-size: 1.2rem !important;
        padding: 0 0.75rem !important;
      }

      .cube-container {
        width: 400px;
        height: 400px;
      }
    }

    @media (max-width: 768px) {
      /* Mobile Navigation */
      .nav-container {
        padding: 1rem 4%;
      }

      /* Show mobile menu toggle on mobile */
      .mobile-menu-toggle {
        display: flex;
      }

      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0;
        border-bottom: 1px solid var(--border-primary);
      }

      .nav-links.active {
        display: flex;
      }

      .nav-links li {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(59, 130, 246, 0.1);
      }

      .nav-links li:last-child {
        border-bottom: none;
      }

      .nav-links a {
        font-size: 1.1rem;
        display: block;
      }

      /* Mobile Menu Toggle Button */
      .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        padding: 5px;
        z-index: 1001;
      }

      .mobile-menu-toggle span {
        width: 25px;
        height: 3px;
        background: var(--text-secondary);
        border-radius: 2px;
        transition: all 0.3s;
      }

      .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
      }

      .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
      }

      .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
      }

      .section-title {
        font-size: 2rem;
      }

      .about-content {
        grid-template-columns: 1fr;
      }

      .why-us-grid {
        grid-template-columns: 1fr;
      }

      .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
      }

      .blog-page-hero h1 {
        font-size: 2rem;
      }

      .article-title {
        font-size: 1.8rem;
      }

      .blog-articles-grid {
        grid-template-columns: 1fr;
      }

      /* Hero Section Mobile */
      .hero-cube-section {
        padding: 10rem 4% 4rem;
        min-height: auto;
      }

      .hero-with-cube-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
      }

      .hero-content-left {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-top: 3rem;
      }

      .hero-content-left h1 {
        font-size: 2rem;
        text-align: center;
      }

      .hero-content-left > p {
        font-size: 1rem;
        text-align: center;
      }

      /* Hide CTA button in hero-content-left on mobile - it will be shown after cube */
      .hero-content-left .cta-button {
        display: none;
      }

      /* Show CTA button under the cube on mobile */
      .hero-cube-right {
        flex-direction: column;
      }

      .cta-button-mobile {
        display: inline-block;
        margin-top: 2rem;
      }

      /* Cube Mobile Scaling - Responsive */
      .cube-container-hero {
        --cube-size: clamp(180px, 45vw, 220px);
        --cube-half: calc(var(--cube-size) / 2);
        width: 100%;
        max-width: calc(var(--cube-size) * 1.8);
        height: calc(var(--cube-size) * 1.8);
        margin: 0 auto;
      }

      .cube-container-hero .cube {
        width: var(--cube-size);
        height: var(--cube-size);
      }

      .cube-container-hero .cube-face {
        width: var(--cube-size) !important;
        height: var(--cube-size) !important;
      }

      .cube-container-hero .cube .front { transform: translateZ(var(--cube-half)) !important; }
      .cube-container-hero .cube .back { transform: translateZ(calc(var(--cube-half) * -1)) rotateY(180deg) !important; }
      .cube-container-hero .cube .right { transform: translateX(var(--cube-half)) rotateY(90deg) !important; }
      .cube-container-hero .cube .left { transform: translateX(calc(var(--cube-half) * -1)) rotateY(-90deg) !important; }
      .cube-container-hero .cube .top { transform: translateY(calc(var(--cube-half) * -1)) rotateX(90deg) !important; }
      .cube-container-hero .cube .bottom { transform: translateY(var(--cube-half)) rotateX(-90deg) !important; }

      .cube-container-hero .cube-face > div:first-child {
        font-size: clamp(2.5rem, 6vw, 3.5rem) !important;
        margin-bottom: 0.5rem !important;
      }

      .cube-container-hero .cube-face > div:last-child {
        font-size: clamp(0.9rem, 2.5vw, 1.2rem) !important;
        padding: 0 0.5rem !important;
      }

      .hero-cube-right {
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: -5rem;
      }

      /* Service Cube Section Mobile */
      .cube-container {
        width: 280px;
        height: 280px;
        margin: 0 auto;
      }

      .cube-container .cube {
        width: 140px;
        height: 140px;
      }

      .cube-face {
        width: 140px !important;
        height: 140px !important;
      }

      /* Section padding mobile */
      section {
        padding: 4rem 4%;
      }

      .interactive-services {
        padding: 4rem 4% !important;
      }

      /* Modal Mobile */
      #service-modal > div {
        padding: 2rem 1.5rem;
        margin: 1rem;
        max-height: 90vh;
        overflow-y: auto;
      }

      #service-modal h2 {
        font-size: 1.8rem !important;
      }

      /* Contact Form Mobile */
      .contact-container {
        padding: 0 1rem;
      }

      .form-group input,
      .form-group textarea {
        font-size: 16px; /* Prevents zoom on iOS */
      }

      /* Blog Filters Mobile */
      .blog-filters {
        padding: 1.5rem 1rem;
        gap: 0.5rem;
      }

      .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
      }

      /* Blog Main Content Mobile */
      .blog-main-content {
        padding: 0 1rem 4rem;
      }

      /* Article Page Mobile */
      .article-page-layout {
        padding: 4rem 1rem;
        gap: 2rem;
      }

      .article-meta-info {
        flex-wrap: wrap;
        gap: 1rem;
      }

      .article-lead {
        padding: 1.5rem;
        font-size: 1.1rem;
      }

      /* Back to Top Button Mobile */
      #back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.2rem;
      }

      /* Footer Mobile */
      footer {
        padding: 3rem 4% 2rem;
      }

      .footer-brand,
      .footer-links {
        text-align: center;
      }

      .footer-links ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
      }

      .footer-links li {
        margin-bottom: 0;
      }
    }

    /* Extra small screens */
    @media (max-width: 480px) {
      .hero-content-left h1 {
        font-size: 1.75rem;
      }

      .section-title {
        font-size: 1.75rem;
      }

      .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
      }

      .blog-page-hero {
        padding: 6rem 1rem 3rem;
      }

      .blog-page-hero h1 {
        font-size: 1.75rem;
      }

      .blog-page-hero p {
        font-size: 1rem;
      }

      .cube-container-hero {
        --cube-size: clamp(160px, 42vw, 200px);
        --cube-half: calc(var(--cube-size) / 2);
        max-width: calc(var(--cube-size) * 1.7);
        height: calc(var(--cube-size) * 1.7);
      }

      .cube-container-hero .cube {
        width: var(--cube-size);
        height: var(--cube-size);
      }

      .cube-container-hero .cube-face {
        width: var(--cube-size) !important;
        height: var(--cube-size) !important;
      }

      .cube-container-hero .cube .front { transform: translateZ(var(--cube-half)) !important; }
      .cube-container-hero .cube .back { transform: translateZ(calc(var(--cube-half) * -1)) rotateY(180deg) !important; }
      .cube-container-hero .cube .right { transform: translateX(var(--cube-half)) rotateY(90deg) !important; }
      .cube-container-hero .cube .left { transform: translateX(calc(var(--cube-half) * -1)) rotateY(-90deg) !important; }
      .cube-container-hero .cube .top { transform: translateY(calc(var(--cube-half) * -1)) rotateX(90deg) !important; }
      .cube-container-hero .cube .bottom { transform: translateY(var(--cube-half)) rotateX(-90deg) !important; }

      .cube-container-hero .cube-face > div:first-child {
        font-size: clamp(2rem, 5.5vw, 3rem) !important;
      }

      .cube-container-hero .cube-face > div:last-child {
        font-size: clamp(0.8rem, 2.2vw, 1rem) !important;
      }
    }

/* Back to Top Button */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: var(--shadow-primary);
}

#back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

#back-to-top:active {
  transform: translateY(0);
}

/* Blog Preview Section */
#blog-preview {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  padding: 6rem 5%;
  border-top: 1px solid var(--border-primary);
}

.blog-carousel-container {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
}

.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Carousel indicators - hidden on desktop */
.carousel-indicators {
  display: none;
}

/* Mobile Carousel for blog preview */
@media (max-width: 768px) {
  #blog-preview {
    padding: 4rem 0;
  }

  #blog-preview .section-title,
  #blog-preview .section-subtitle {
    padding: 0 5%;
  }

  .blog-carousel-container {
    position: relative;
    overflow: hidden;
    padding: 1rem 1rem;
  }

  .blog-preview-grid {
    display: flex;
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    gap: 16px;
    padding: 0;
    margin: 0;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }

  .blog-preview-grid .blog-article-card {
    flex: 0 0 calc(100% - 32px);
    min-width: calc(100% - 32px);
    opacity: 0.5;
    transition: opacity 0.3s ease;
    will-change: opacity;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    /* Disable hover/active states - only JS .active class matters */
    transform: none !important;
    box-shadow: none !important;
  }

  .blog-preview-grid .blog-article-card:hover,
  .blog-preview-grid .blog-article-card:active,
  .blog-preview-grid .blog-article-card:focus {
    transform: none !important;
    box-shadow: none !important;
  }

  .blog-preview-grid .blog-article-card.active {
    opacity: 1;
  }

  /* Paused state - highlight effect (only for .active class) */
  .blog-preview-grid.paused .blog-article-card.active {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5) !important;
    border-color: rgba(59, 130, 246, 0.6);
  }

  /* Carousel indicators */
  .carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
  }

  .carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
  }

  .carousel-dot.active {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    transform: scale(1.2);
  }

  .carousel-dot:hover {
    background: rgba(59, 130, 246, 0.6);
  }
}

/* Business/Blog mode visibility classes */
.business-only-section.hidden,
.blog-only-section.hidden {
  display: none !important;
}