:root {
      --cellen-green: #5B8C3D;
      --cellen-green-light: #6fa348;
      --cellen-green-dark: #4a7232;
      --cellen-green-glow: rgba(91, 140, 61, 0.15);
      --cellen-navy: #0a1628;
      --cellen-navy-brand: #1E3A5F;
      --cellen-navy-light: #142238;
      --cellen-navy-mid: #1a2d4a;
      --cellen-slate: #64748b;
      --cellen-light: #f8fafc;
      --cellen-white: #ffffff;
      --cellen-border: rgba(91, 140, 61, 0.2);
      
      --font-primary: 'Inter', -apple-system, sans-serif;
      --font-mono: 'JetBrains Mono', monospace;
      
      --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
      --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    html {
      scroll-behavior: smooth;
    }
    
    body {
      font-family: var(--font-primary);
      color: #1e293b;
      background: var(--cellen-white);
      overflow-x: hidden;
      line-height: 1.6;
    }
    
    ::selection {
      background: var(--cellen-green);
      color: white;
    }

    /* =====================================================
       SCROLL PROGRESS BAR
       ===================================================== */
    .scroll-progress {
      position: fixed;
      top: 0;
      left: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--cellen-green), var(--cellen-green-light));
      width: 0%;
      z-index: 10000;
      transition: width 0.1s linear;
    }

    /* =====================================================
       CURSOR (Desktop only)
       ===================================================== */
    .cursor {
      position: fixed;
      width: 20px;
      height: 20px;
      border: 1.5px solid var(--cellen-green);
      border-radius: 50%;
      pointer-events: none;
      z-index: 9999;
      transition: transform 0.15s var(--ease-out-expo), opacity 0.15s;
      mix-blend-mode: difference;
    }
    
    .cursor.hover {
      transform: scale(2);
      background: rgba(91, 140, 61, 0.1);
    }
    
    @media (max-width: 1024px) {
      .cursor { display: none; }
    }

    /* =====================================================
       NAVIGATION
       ===================================================== */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      padding: 0 5%;
      height: 72px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: rgba(10, 22, 40, 0.95);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--cellen-border);
      transition: all 0.4s var(--ease-out-expo);
    }
    
    .nav.scrolled {
      height: 64px;
      background: rgba(10, 22, 40, 0.98);
      box-shadow: 0 4px 30px rgba(0,0,0,0.2);
    }
    
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 14px;
      text-decoration: none;
    }
    
    .nav-logo-mark {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      background: #fff;
      border-radius: 10px;
      padding: 4px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.18);
    }

    .nav-logo-mark img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }
    
    .nav-logo-text {
      display: flex;
      flex-direction: column;
    }
    
    .nav-logo-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--cellen-white);
      letter-spacing: 1.5px;
      line-height: 1.2;
    }
    
    .nav-logo-tagline {
      font-size: 0.65rem;
      color: var(--cellen-green);
      letter-spacing: 0.5px;
      font-weight: 500;
      text-transform: uppercase;
    }
    
    .nav-links {
      display: flex;
      gap: 2.5rem;
      list-style: none;
    }
    
    .nav-links a {
      color: rgba(255,255,255,0.7);
      text-decoration: none;
      font-size: 0.875rem;
      font-weight: 500;
      letter-spacing: 0.3px;
      padding: 8px 0;
      position: relative;
      transition: color 0.3s;
    }
    
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--cellen-green);
      transition: width 0.3s var(--ease-out-expo);
    }
    
    .nav-links a:hover {
      color: var(--cellen-white);
    }
    
    .nav-links a:hover::after {
      width: 100%;
    }
    
    .nav-cta {
      background: transparent;
      border: 1.5px solid var(--cellen-green);
      color: var(--cellen-green);
      padding: 10px 24px;
      border-radius: 6px;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.875rem;
      letter-spacing: 0.3px;
      transition: all 0.3s var(--ease-out-expo);
      position: relative;
      overflow: hidden;
    }
    
    .nav-cta::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: var(--cellen-green);
      transition: left 0.3s var(--ease-out-expo);
      z-index: -1;
    }
    
    .nav-cta:hover {
      color: white;
    }
    
    .nav-cta:hover::before {
      left: 0;
    }

    /* =====================================================
       HERO SECTION
       ===================================================== */
    .hero {
      min-height: 100vh;
      background: var(--cellen-navy);
      position: relative;
      display: flex;
      align-items: center;
      padding: 120px 5% 80px;
      overflow: hidden;
    }
    
    /* Technical grid background */
    .hero-grid {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: 
        linear-gradient(rgba(91, 140, 61, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 140, 61, 0.03) 1px, transparent 1px);
      background-size: 60px 60px;
      mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
    }
    
    /* Gradient orbs */
    .hero-orb {
      position: absolute;
      border-radius: 50%;
      filter: blur(80px);
      opacity: 0.4;
      pointer-events: none;
    }
    
    .hero-orb-1 {
      width: 600px;
      height: 600px;
      background: var(--cellen-green);
      top: -200px;
      right: -100px;
      animation: float 8s ease-in-out infinite;
    }
    
    .hero-orb-2 {
      width: 400px;
      height: 400px;
      background: var(--cellen-navy-mid);
      bottom: -100px;
      left: -100px;
      animation: float 10s ease-in-out infinite reverse;
    }
    
    @keyframes float {
      0%, 100% { transform: translate(0, 0); }
      50% { transform: translate(30px, -30px); }
    }
    
    .hero-content {
      position: relative;
      z-index: 3;
      max-width: 720px;
    }
    
    .hero-label {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(91, 140, 61, 0.1);
      border: 1px solid var(--cellen-border);
      padding: 8px 16px;
      border-radius: 100px;
      margin-bottom: 2rem;
      opacity: 0;
      transform: translateY(20px);
      animation: fadeUp 0.8s var(--ease-out-expo) 0.2s forwards;
    }
    
    .hero-label-dot {
      width: 8px;
      height: 8px;
      background: var(--cellen-green);
      border-radius: 50%;
      animation: pulse-dot 2s infinite;
    }
    
    @keyframes pulse-dot {
      0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(91, 140, 61, 0.5); }
      50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(91, 140, 61, 0); }
    }
    
    .hero-label-text {
      color: var(--cellen-green);
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 1px;
      text-transform: uppercase;
    }
    
    .hero-title {
      font-size: clamp(2.5rem, 5.5vw, 4rem);
      font-weight: 800;
      color: var(--cellen-white);
      line-height: 1.1;
      margin-bottom: 1.5rem;
      letter-spacing: -1px;
      opacity: 0;
      transform: translateY(30px);
      animation: fadeUp 0.8s var(--ease-out-expo) 0.3s forwards;
    }
    
    .hero-title .highlight {
      color: var(--cellen-green);
      position: relative;
    }
    
    .hero-title .highlight::after {
      content: '';
      position: absolute;
      bottom: 4px;
      left: 0;
      width: 100%;
      height: 8px;
      background: rgba(91, 140, 61, 0.2);
      z-index: -1;
    }
    
    .hero-subtitle {
      font-size: 1.125rem;
      color: rgba(255,255,255,0.6);
      line-height: 1.8;
      margin-bottom: 2.5rem;
      max-width: 560px;
      opacity: 0;
      transform: translateY(30px);
      animation: fadeUp 0.8s var(--ease-out-expo) 0.4s forwards;
    }
    
    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      opacity: 0;
      transform: translateY(30px);
      animation: fadeUp 0.8s var(--ease-out-expo) 0.5s forwards;
    }
    
    @keyframes fadeUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 28px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: 600;
      font-size: 0.9rem;
      letter-spacing: 0.3px;
      transition: all 0.3s var(--ease-out-expo);
      position: relative;
      overflow: hidden;
    }
    
    .btn-primary {
      background: var(--cellen-green);
      color: white;
      border: none;
    }
    
    .btn-primary:hover {
      background: var(--cellen-green-light);
      transform: translateY(-2px);
      box-shadow: 0 10px 40px rgba(91, 140, 61, 0.3);
    }
    
    .btn-secondary {
      background: transparent;
      color: var(--cellen-white);
      border: 1.5px solid rgba(255,255,255,0.2);
    }
    
    .btn-secondary:hover {
      border-color: var(--cellen-green);
      color: var(--cellen-green);
    }
    
    .btn svg {
      width: 18px;
      height: 18px;
      transition: transform 0.3s;
    }
    
    .btn:hover svg {
      transform: translateX(4px);
    }
    
    /* Hero visual */
    /* Full-bleed immersive backdrop — the copy is composited on top of it */
    .hero-visual {
      position: absolute;
      inset: 0;
      width: 100%;
      z-index: 1;
      opacity: 0;
      animation: fadeIn 1.2s var(--ease-out-expo) 0.4s forwards;
    }

    /* Readability scrim: keeps the left-side copy legible over the scene */
    .hero-scrim {
      position: absolute;
      inset: 0;
      z-index: 2;
      pointer-events: none;
      background: linear-gradient(100deg,
        rgba(10, 22, 40, 0.96) 0%,
        rgba(10, 22, 40, 0.88) 30%,
        rgba(10, 22, 40, 0.35) 56%,
        rgba(10, 22, 40, 0) 78%);
    }
    
    @keyframes fadeIn {
      to { opacity: 1; }
    }
    
    .hero-visual-container {
      position: relative;
      width: 100%;
      height: 100%;
    }

    /* 3D node-network canvas + static poster fallback */
    .hero-canvas {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      display: block;
      opacity: 0;
      transition: opacity 1.2s var(--ease-out-expo);
    }
    .hero-canvas.is-live { opacity: 1; }

    .hero-poster {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      transition: opacity 0.9s ease;
    }
    /* Once the live scene starts, dissolve the static poster underneath it */
    .hero-visual.scene-live .hero-poster { opacity: 0; }

    /* Blueprint-style visual */
    .blueprint {
      width: 100%;
      height: 100%;
      position: relative;
    }
    
    .blueprint-ring {
      position: absolute;
      border: 1px solid var(--cellen-border);
      border-radius: 50%;
    }
    
    .blueprint-ring-1 {
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      animation: rotate 40s linear infinite;
    }
    
    .blueprint-ring-2 {
      width: 75%;
      height: 75%;
      top: 12.5%;
      left: 12.5%;
      border-color: rgba(91, 140, 61, 0.3);
      animation: rotate 30s linear infinite reverse;
    }
    
    .blueprint-ring-3 {
      width: 50%;
      height: 50%;
      top: 25%;
      left: 25%;
      border-color: var(--cellen-green);
      border-width: 2px;
      animation: rotate 20s linear infinite;
    }
    
    @keyframes rotate {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }
    
    .blueprint-center {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 100px;
      height: 100px;
      background: linear-gradient(135deg, var(--cellen-green) 0%, var(--cellen-green-dark) 100%);
      border-radius: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 60px rgba(91, 140, 61, 0.4);
    }
    
    .blueprint-center svg {
      width: 48px;
      height: 48px;
      fill: white;
    }
    
    /* Data points */
    .data-point {
      position: absolute;
      width: 12px;
      height: 12px;
      background: var(--cellen-green);
      border-radius: 50%;
      box-shadow: 0 0 20px rgba(91, 140, 61, 0.6);
    }
    
    .data-point::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 24px;
      height: 24px;
      border: 1px solid var(--cellen-green);
      border-radius: 50%;
      animation: ping 2s infinite;
    }
    
    @keyframes ping {
      0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
      100% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
    }
    
    .data-point-1 { top: 10%; left: 48%; animation-delay: 0s; }
    .data-point-2 { top: 48%; left: 5%; animation-delay: 0.5s; }
    .data-point-3 { top: 85%; left: 35%; animation-delay: 1s; }
    .data-point-4 { top: 35%; left: 92%; animation-delay: 1.5s; }

    /* =====================================================
       METRICS BAR
       ===================================================== */
    .metrics {
      background: var(--cellen-navy-light);
      border-top: 1px solid var(--cellen-border);
      border-bottom: 1px solid var(--cellen-border);
      padding: 3rem 5%;
    }
    
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      max-width: 1000px;
      margin: 0 auto;
    }
    
    .metric {
      text-align: center;
      opacity: 0;
      transform: translateY(20px);
    }
    
    .metric.visible {
      animation: fadeUp 0.6s var(--ease-out-expo) forwards;
    }
    
    .metric-value {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--cellen-green);
      font-family: var(--font-mono);
      line-height: 1;
      margin-bottom: 0.5rem;
    }
    
    .metric-label {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.6);
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    /* =====================================================
       SERVICES SECTION
       ===================================================== */
    .services {
      padding: 120px 5%;
      background: var(--cellen-light);
      position: relative;
      overflow: hidden;
    }

    /* Faint brand texture so the light section reads as part of the system,
       not a blank white slab: soft green glow up top + a subtle navy grid. */
    .services::before {
      content: '';
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background-image:
        radial-gradient(circle at 50% -10%, rgba(91, 140, 61, 0.07), transparent 55%),
        linear-gradient(rgba(30, 58, 95, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 58, 95, 0.025) 1px, transparent 1px);
      background-size: 100% 100%, 48px 48px, 48px 48px;
      -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 55%, transparent 100%);
              mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 55%, transparent 100%);
    }

    .services .section-header,
    .services-grid {
      position: relative;
      z-index: 1;
    }

    .section-header {
      text-align: center;
      max-width: 600px;
      margin: 0 auto 5rem;
    }
    
    .section-label {
      display: inline-block;
      color: var(--cellen-green);
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 1rem;
      padding: 6px 12px;
      background: rgba(91, 140, 61, 0.1);
      border-radius: 4px;
    }
    
    .section-title {
      font-size: clamp(2rem, 4vw, 2.75rem);
      font-weight: 700;
      color: var(--cellen-navy);
      margin-bottom: 1rem;
      letter-spacing: -0.5px;
    }
    
    .section-subtitle {
      color: var(--cellen-slate);
      font-size: 1.1rem;
      line-height: 1.7;
    }
    
    .services-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1.5rem;
      max-width: 1100px;
      margin: 0 auto;
    }
    
    .service-card {
      background: var(--cellen-white);
      border-radius: 16px;
      padding: 2.5rem;
      position: relative;
      border: 1px solid #e2e8f0;
      transition: all 0.4s var(--ease-out-expo);
      overflow: hidden;
    }
    
    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--cellen-green), var(--cellen-green-light));
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.4s var(--ease-out-expo);
    }
    
    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 60px rgba(10, 22, 40, 0.1);
      border-color: transparent;
    }
    
    .service-card:hover::before {
      transform: scaleX(1);
    }
    
    .service-icon {
      width: 56px;
      height: 56px;
      background: linear-gradient(145deg, var(--cellen-navy) 0%, var(--cellen-navy-mid) 100%);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.5rem;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
      transition: all 0.35s var(--ease-out-expo);
    }

    .service-card:hover .service-icon {
      background: linear-gradient(145deg, var(--cellen-green) 0%, var(--cellen-green-dark) 100%);
      transform: scale(1.06) rotate(-4deg);
      box-shadow: 0 10px 28px rgba(91, 140, 61, 0.35);
    }
    
    .service-icon svg {
      width: 26px;
      height: 26px;
      stroke: var(--cellen-green);
      fill: none;
      stroke-width: 1.5;
      transition: stroke 0.3s;
    }
    
    .service-card:hover .service-icon svg {
      stroke: white;
    }
    
    .service-category {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 700;
      color: var(--cellen-green);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 0.75rem;
      padding: 4px 10px;
      background: rgba(91, 140, 61, 0.1);
      border-radius: 100px;
    }
    
    .service-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--cellen-navy);
      margin-bottom: 0.75rem;
    }
    
    .service-desc {
      color: var(--cellen-slate);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    /* =====================================================
       ABOUT / WHY SECTION
       ===================================================== */
    .about {
      padding: 120px 5%;
      background: var(--cellen-white);
      position: relative;
      overflow: hidden;
    }

    .about::before {
      content: '';
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background: radial-gradient(circle at 85% 12%, rgba(91, 140, 61, 0.06), transparent 45%);
    }

    .about-grid {
      position: relative;
      z-index: 1;
    }
    
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 6rem;
      max-width: 1200px;
      margin: 0 auto;
      align-items: center;
    }
    
    .about-content .section-label {
      text-align: left;
    }
    
    .about-content .section-title {
      text-align: left;
      margin-bottom: 1.5rem;
    }
    
    .about-text {
      color: var(--cellen-slate);
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 2rem;
    }
    
    .about-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }
    
    .about-feature {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px;
      background: var(--cellen-light);
      border-radius: 8px;
      transition: all 0.3s var(--ease-out-expo);
    }
    
    .about-feature:hover {
      background: rgba(91, 140, 61, 0.1);
      transform: translateX(5px);
    }
    
    .about-feature-icon {
      width: 32px;
      height: 32px;
      background: var(--cellen-green);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    
    .about-feature-icon svg {
      width: 16px;
      height: 16px;
      stroke: white;
      fill: none;
      stroke-width: 2.5;
    }
    
    .about-feature-text {
      font-weight: 600;
      color: var(--cellen-navy);
      font-size: 0.9rem;
    }
    
    /* About visual */
    .about-visual {
      position: relative;
    }
    
    .about-image {
      width: 100%;
      aspect-ratio: 4/3;
      background: linear-gradient(135deg, var(--cellen-navy) 0%, var(--cellen-navy-light) 100%);
      border-radius: 20px;
      position: relative;
      overflow: hidden;
    }
    
    .about-image::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: 
        linear-gradient(rgba(91, 140, 61, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 140, 61, 0.05) 1px, transparent 1px);
      background-size: 30px 30px;
    }
    
    .about-canvas {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      z-index: 1;
    }

    .about-image-caption {
      position: absolute;
      left: 22px;
      bottom: 20px;
      z-index: 2;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 16px;
      background: rgba(10, 22, 40, 0.55);
      border: 1px solid var(--cellen-border);
      border-radius: 100px;
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
    }

    .about-image-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--cellen-green);
      animation: pulse-dot 2s infinite;
    }

    .about-image-tag {
      color: rgba(255, 255, 255, 0.85);
      font-family: var(--font-mono);
      font-size: 0.8rem;
      letter-spacing: 0.3px;
    }
    
    .about-stats {
      position: absolute;
      bottom: -25px;
      right: -25px;
      background: var(--cellen-white);
      padding: 1.5rem 2rem;
      border-radius: 16px;
      box-shadow: 0 20px 60px rgba(10, 22, 40, 0.15);
      display: flex;
      gap: 2rem;
    }
    
    .stat {
      text-align: center;
    }
    
    .stat-value {
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--cellen-green);
      font-family: var(--font-mono);
    }
    
    .stat-label {
      font-size: 0.75rem;
      color: var(--cellen-slate);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    /* =====================================================
       PROCESS SECTION
       ===================================================== */
    .process {
      padding: 120px 5%;
      background:
        radial-gradient(ellipse 80% 55% at 50% 0%, rgba(30, 58, 95, 0.55), transparent 60%),
        linear-gradient(180deg, #0a1628 0%, #0b1a2e 100%);
      position: relative;
      overflow: hidden;
    }
    
    .process::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: 
        linear-gradient(rgba(91, 140, 61, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(91, 140, 61, 0.02) 1px, transparent 1px);
      background-size: 50px 50px;
    }
    
    .process .section-header {
      position: relative;
      z-index: 1;
    }
    
    .process .section-title {
      color: var(--cellen-white);
    }
    
    .process .section-subtitle {
      color: rgba(255,255,255,0.6);
    }
    
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      max-width: 1200px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }
    
    .process-step {
      text-align: center;
      padding: 2rem;
      position: relative;
    }
    
    .process-step::after {
      content: '';
      position: absolute;
      top: 50px;
      right: -1rem;
      width: calc(100% - 60px);
      height: 2px;
      background: linear-gradient(90deg, var(--cellen-green), transparent);
    }
    
    /* Last step keeps a connector too — it trails off into transparency
       since there's no next node, so 04 reads consistently with 01–03. */
    .process-step:last-child::after {
      width: calc(100% - 60px);
    }

    /* A luminous data packet glides along each connector — momentum / flow.
       Staggered so it reads as 01 → 02 → 03 → 04 in sequence. */
    .process-step::before {
      content: '';
      position: absolute;
      top: 47px;
      right: -1rem;
      width: calc(100% - 60px);
      height: 8px;
      z-index: 2;
      pointer-events: none;
      background: radial-gradient(circle 3px at 50% 50%, var(--cellen-green-light) 0%, rgba(91, 140, 61, 0.55) 45%, transparent 72%);
      background-repeat: no-repeat;
      background-size: 24px 100%;
      animation: packet 3s linear infinite;
    }
    .process-step:nth-child(2)::before { animation-delay: 0.75s; }
    .process-step:nth-child(3)::before { animation-delay: 1.5s; }
    .process-step:nth-child(4)::before { animation-delay: 2.25s; }

    @keyframes packet {
      0%   { background-position: 0% 50%;   opacity: 0; }
      12%  { opacity: 1; }
      88%  { opacity: 1; }
      100% { background-position: 100% 50%; opacity: 0; }
    }

    .step-number {
      width: 60px;
      height: 60px;
      background: rgba(91, 140, 61, 0.1);
      border: 2px solid var(--cellen-green);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1.5rem;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--cellen-green);
      font-family: var(--font-mono);
      transition: all 0.3s var(--ease-out-expo);
    }
    
    /* Circles light up as the section scrolls into view (staggered) */
    .process-step.visible .step-number {
      background: var(--cellen-green);
      color: #fff;
      box-shadow: 0 0 26px rgba(91, 140, 61, 0.4);
    }
    .process-step:nth-child(2).visible .step-number { transition-delay: 0.08s; }
    .process-step:nth-child(3).visible .step-number { transition-delay: 0.16s; }
    .process-step:nth-child(4).visible .step-number { transition-delay: 0.24s; }

    .process-step:hover .step-number {
      background: var(--cellen-green);
      color: white;
      transform: scale(1.1);
    }
    
    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--cellen-white);
      margin-bottom: 0.75rem;
    }
    
    .step-desc {
      font-size: 0.9rem;
      color: rgba(255,255,255,0.6);
      line-height: 1.6;
    }

    /* =====================================================
       CTA SECTION
       ===================================================== */
    .cta {
      padding: 100px 5%;
      background:
        radial-gradient(ellipse 70% 90% at 50% -10%, var(--cellen-green-light) 0%, transparent 60%),
        linear-gradient(150deg, var(--cellen-green-dark) 0%, var(--cellen-green) 55%, var(--cellen-green-dark) 100%);
      position: relative;
      overflow: hidden;
    }

    /* Slow-floating luminous accent so the CTA reads as a moment, not a slab */
    .cta::after {
      content: '';
      position: absolute;
      width: 600px;
      height: 600px;
      border-radius: 50%;
      top: -220px;
      right: -140px;
      pointer-events: none;
      background: radial-gradient(circle, rgba(255, 255, 255, 0.18) 0%, transparent 65%);
      animation: cta-float 12s ease-in-out infinite;
    }

    @keyframes cta-float {
      0%, 100% { transform: translate(0, 0); }
      50% { transform: translate(-70px, 50px); }
    }
    
    .cta::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 40px 40px;
    }
    
    .cta-content {
      max-width: 700px;
      margin: 0 auto;
      text-align: center;
      position: relative;
      z-index: 1;
    }
    
    .cta-title {
      font-size: clamp(1.75rem, 4vw, 2.5rem);
      font-weight: 700;
      color: white;
      margin-bottom: 1rem;
      letter-spacing: -0.5px;
    }
    
    .cta-text {
      color: rgba(255,255,255,0.85);
      font-size: 1.1rem;
      margin-bottom: 2rem;
    }
    
    .btn-white {
      background: white;
      color: var(--cellen-green);
      padding: 16px 32px;
      font-weight: 700;
    }
    
    .btn-white:hover {
      background: var(--cellen-navy);
      color: white;
      transform: translateY(-2px);
      box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    }

    /* =====================================================
       CONTACT SECTION
       ===================================================== */
    .contact {
      padding: 120px 5%;
      background: var(--cellen-light);
      position: relative;
      overflow: hidden;
    }

    .contact::before {
      content: '';
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background: radial-gradient(circle at 50% 0%, rgba(91, 140, 61, 0.06), transparent 55%);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 4rem;
      max-width: 1100px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }
    
    .contact-info h2 {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--cellen-navy);
      margin-bottom: 1rem;
      letter-spacing: -0.5px;
    }
    
    .contact-info > p {
      color: var(--cellen-slate);
      font-size: 1.05rem;
      line-height: 1.7;
      margin-bottom: 2.5rem;
    }
    
    .contact-items {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }
    
    .contact-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem;
      background: var(--cellen-white);
      border-radius: 12px;
      border: 1px solid #e2e8f0;
      transition: all 0.3s var(--ease-out-expo);
    }
    
    .contact-item:hover {
      border-color: var(--cellen-green);
      transform: translateX(8px);
      box-shadow: 0 4px 20px rgba(91, 140, 61, 0.1);
    }
    
    .contact-item-icon {
      width: 48px;
      height: 48px;
      background: var(--cellen-navy);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: background 0.3s;
    }
    
    .contact-item:hover .contact-item-icon {
      background: var(--cellen-green);
    }
    
    .contact-item-icon svg {
      width: 22px;
      height: 22px;
      stroke: var(--cellen-green);
      fill: none;
      stroke-width: 1.5;
      transition: stroke 0.3s;
    }
    
    .contact-item:hover .contact-item-icon svg {
      stroke: white;
    }
    
    .contact-item-text {
      font-weight: 600;
      color: var(--cellen-navy);
    }
    
    .contact-item-text span {
      display: block;
      font-size: 0.8rem;
      color: var(--cellen-slate);
      font-weight: 400;
      margin-top: 2px;
    }

    /* =====================================================
       SMART OPENING HOURS STATUS
       ===================================================== */
    .hours-status {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.3px;
      width: fit-content;
      transition: all 0.3s var(--ease-out-expo);
    }

    .status-badge.open {
      background: rgba(34, 197, 94, 0.1);
      color: #16a34a;
      border: 1px solid rgba(34, 197, 94, 0.2);
    }

    .status-badge.closed {
      background: rgba(239, 68, 68, 0.1);
      color: #dc2626;
      border: 1px solid rgba(239, 68, 68, 0.2);
    }

    .status-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      transition: all 0.3s;
    }

    .status-badge.open .status-dot {
      background: #16a34a;
      animation: pulse-status 2s infinite;
    }

    .status-badge.closed .status-dot {
      background: #dc2626;
    }

    @keyframes pulse-status {
      0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
      }
      50% {
        opacity: 0.8;
        box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
      }
    }

    .hours-detail {
      font-size: 0.75rem;
      color: var(--cellen-slate);
      font-family: var(--font-mono);
      letter-spacing: 0.3px;
    }

    .contact-item:hover .status-badge.open {
      background: rgba(34, 197, 94, 0.15);
      transform: scale(1.02);
    }

    .contact-item:hover .status-badge.closed {
      background: rgba(239, 68, 68, 0.15);
      transform: scale(1.02);
    }
    
    /* Contact form */
    .contact-form-card {
      background: var(--cellen-white);
      padding: 3rem;
      border-radius: 20px;
      box-shadow: 0 10px 60px rgba(10, 22, 40, 0.08);
      border: 1px solid #e2e8f0;
      transition: box-shadow 0.35s var(--ease-out-expo), border-color 0.35s var(--ease-out-expo);
    }

    /* Card lifts into an "active" state while the visitor is filling it in */
    .contact-form-card:focus-within {
      border-color: var(--cellen-green);
      box-shadow: 0 20px 70px rgba(10, 22, 40, 0.12), 0 0 0 4px rgba(91, 140, 61, 0.08);
    }
    
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }
    
    .form-group {
      margin-bottom: 1.25rem;
    }
    
    .form-group.full {
      grid-column: span 2;
    }
    
    .form-group label {
      display: block;
      font-weight: 600;
      color: var(--cellen-navy);
      margin-bottom: 0.5rem;
      font-size: 0.875rem;
    }
    
    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 14px 16px;
      border: 1.5px solid #e2e8f0;
      border-radius: 10px;
      font-family: var(--font-primary);
      font-size: 0.95rem;
      transition: all 0.3s var(--ease-out-expo);
      background: var(--cellen-light);
    }
    
    .form-group input:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--cellen-green);
      background: white;
      box-shadow: 0 0 0 4px rgba(91, 140, 61, 0.1);
    }
    
    .form-group textarea {
      min-height: 130px;
      resize: vertical;
    }
    
    .form-submit {
      width: 100%;
      background: var(--cellen-green);
      color: white;
      padding: 16px 32px;
      border: none;
      border-radius: 10px;
      font-family: var(--font-primary);
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s var(--ease-out-expo);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }
    
    .form-submit:hover {
      background: var(--cellen-green-light);
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(91, 140, 61, 0.3);
    }
    
    .form-submit svg {
      width: 20px;
      height: 20px;
      stroke: currentColor;
      fill: none;
      stroke-width: 2;
      transition: transform 0.3s;
    }
    
    .form-submit:hover svg {
      transform: translateX(4px);
    }

    /* =====================================================
       FOOTER
       ===================================================== */
    .footer {
      position: relative;
      padding: 80px 5% 30px;
      overflow: hidden;
      background:
        radial-gradient(ellipse 55% 100% at 12% 0%, rgba(91, 140, 61, 0.10), transparent 60%),
        linear-gradient(180deg, #0c1c33 0%, #0a1628 55%, #060f1c 100%);
    }

    /* Green gradient hairline crowning the footer */
    .footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(91, 140, 61, 0.6) 50%, transparent);
    }

    .footer-grid {
      position: relative;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 4rem;
      max-width: 1200px;
      margin: 0 auto;
      padding-bottom: 4rem;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .footer-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
      margin-bottom: 1.5rem;
    }

    .footer-logo-mark {
      width: 40px;
      height: 40px;
      flex: 0 0 auto;
      background: #fff;
      border-radius: 10px;
      padding: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
    }

    .footer-logo-mark img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      display: block;
    }

    .footer-brand .nav-logo-name {
      font-size: 1.4rem;
    }

    .footer-brand .nav-logo-tagline {
      margin-bottom: 0;
    }
    
    .footer-brand p {
      color: rgba(255,255,255,0.5);
      font-size: 0.95rem;
      line-height: 1.7;
      max-width: 280px;
    }
    
    .footer-col h4 {
      position: relative;
      color: var(--cellen-white);
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 1.5rem;
      padding-bottom: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 26px;
      height: 2px;
      border-radius: 2px;
      background: linear-gradient(90deg, var(--cellen-green), transparent);
    }
    
    .footer-col ul {
      list-style: none;
    }
    
    .footer-col ul li {
      margin-bottom: 0.75rem;
    }
    
    .footer-col ul a {
      color: rgba(255,255,255,0.5);
      text-decoration: none;
      font-size: 0.9rem;
      transition: all 0.3s;
      display: inline-block;
    }
    
    .footer-col ul a:hover {
      color: var(--cellen-green);
      transform: translateX(5px);
    }
    
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      max-width: 1200px;
      margin: 2rem auto 0;
    }
    
    .footer-bottom p {
      color: rgba(255,255,255,0.4);
      font-size: 0.85rem;
    }

    .footer-bottom .footer-tagline {
      color: var(--cellen-green);
      font-family: var(--font-mono);
      letter-spacing: 0.3px;
    }
    
    .footer-social {
      display: flex;
      gap: 0.75rem;
    }
    
    .footer-social a {
      width: 40px;
      height: 40px;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s var(--ease-out-expo);
    }
    
    .footer-social a:hover {
      background: var(--cellen-green);
      border-color: var(--cellen-green);
      transform: translateY(-3px);
    }
    
    .footer-social svg {
      width: 18px;
      height: 18px;
      fill: rgba(255,255,255,0.6);
      transition: fill 0.3s;
    }
    
    .footer-social a:hover svg {
      fill: white;
    }

    /* =====================================================
       SCROLL REVEAL ANIMATIONS
       ===================================================== */
    .reveal {
      opacity: 0;
      transform: translateY(40px);
      transition: all 0.8s var(--ease-out-expo);
    }
    
    .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; }

    /* =====================================================
       RESPONSIVE
       ===================================================== */
    @media (max-width: 1024px) {
      /* Mobile/tablet: no live 3D. The static poster becomes a faint,
         masked full-bleed backdrop so the hero still feels branded. */
      .hero-visual {
        display: block;
        position: absolute;
        inset: 0;
        right: auto;
        top: auto;
        width: 100%;
        max-width: none;
        transform: none;
        opacity: 0.3;
        z-index: 1;
        pointer-events: none;
        animation: none;
        -webkit-mask-image: radial-gradient(ellipse 95% 70% at 72% 32%, #000 28%, transparent 76%);
                mask-image: radial-gradient(ellipse 95% 70% at 72% 32%, #000 28%, transparent 76%);
      }
      .hero-visual-container { aspect-ratio: auto; height: 100%; }
      .hero-canvas { display: none; }

      .hero-content {
        max-width: 100%;
      }
      
      .services-grid {
        grid-template-columns: 1fr;
      }
      
      .about-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
      }
      
      .about-stats {
        position: relative;
        bottom: 0;
        right: 0;
        margin-top: 1.5rem;
        justify-content: center;
      }
      
      .process-steps {
        grid-template-columns: 1fr 1fr;
      }
      
      .process-step::after,
      .process-step::before {
        display: none;
      }

      .contact-grid {
        grid-template-columns: 1fr;
      }
      
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      
      .metrics-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    
    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      
      .process-steps {
        grid-template-columns: 1fr;
      }
      
      .about-features {
        grid-template-columns: 1fr;
      }
      
      .form-row {
        grid-template-columns: 1fr;
      }
      
      .form-group.full {
        grid-column: span 1;
      }
      
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      
      .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
      }
      
      .metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
      }
      
      .metric-value {
        font-size: 2rem;
      }
    }

    /* =====================================================
       REDUCED MOTION — honour the OS preference
       ===================================================== */
    @media (prefers-reduced-motion: reduce) {
      .process-step::before,
      .cta::after {
        animation: none;
      }
      .process-step::before { opacity: 0; }
    }