:root {
    --green:        #3CB85C;
    --green-light:  #6DD68A;
    --green-dim:    #1C7038;
    --green-dark:   #0D2B16;
    --black:        #060E08;
    --dark:         #0B180F;
    --surface:      #101E14;
    --surface-2:    #162419;
    --border:       rgba(60,184,92,0.16);
    --border-s:     rgba(60,184,92,0.30);
    --text:         #EDF5EF;
    --text-muted:   #7A9A82;
    --text-dim:     #3A5A42;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  body {
    background: var(--black);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
  }

  /* Canvas particles */
  #bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.35;
  }

  /* Navigation */
  nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    padding: 0 5vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    transition: background 0.5s, backdrop-filter 0.5s, border-color 0.5s;
    border-bottom: 1px solid transparent;
  }
  nav.scrolled {
    background: rgba(6,14,8,0.94);
    backdrop-filter: blur(18px);
    border-color: var(--border);
  }

  

  .nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.3s;
  }
  .nav-links a:hover, .nav-links a.active {
    color: var(--green);
  }
  .nav-cta {
    border: 1px solid var(--green) !important;
    color: var(--green) !important;
    padding: 8px 22px;
    transition: background 0.3s, color 0.3s !important;
  }
  .nav-cta:hover {
    background: var(--green) !important;
    color: var(--black) !important;
  }

  /* Logo upload */
  .logo-upload-trigger {
    margin-left: 12px;
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 4px 10px;
    font-size: 0.6rem;
    color: var(--green);
    cursor: pointer;
    transition: 0.2s;
    font-family: 'Syne', sans-serif;
  }
  .logo-upload-trigger:hover {
    background: var(--green);
    color: var(--black);
  }
  #logoInput { display: none; }
  .logo-reset {
    margin-left: 8px;
    font-size: 0.6rem;
    color: #ff8080;
    cursor: pointer;
    background: rgba(0,0,0,0.5);
    padding: 4px 8px;
    border-radius: 30px;
    border: 1px solid rgba(255,80,80,0.5);
  }
  .logo-reset:hover {
    background: #ff4040;
    color: black;
  }

  /* Hero section (with background upload) */
  .hero {
    position: relative;
    z-index: 1;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5vw;
    margin-top: 76px;
   background: linear-gradient(115deg, rgba(6,14,8,0.92), rgba(6,14,8,0.85)), url('/img/male-engineer-analyzed-industry-40-system-smart-manufacturing-plant.jpg');
    background-size: cover;
    background-position: center;
  }
  .hero-content {
    max-width: 800px;
    margin: 0 auto;
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 1.5rem;
  }
  .hero-eyebrow::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--green);
  }
  .hero h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2.8rem, 5vw, 4.5rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 1.2rem;
  }
  .hero p {
    font-size: 1rem;
    color: var(--text-muted);
  }

  /* Contact section */
  .contact-section {
    padding: 5rem 0;
  }
  .section-inner {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 5vw;
  }
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  /* Info cards */
  .info-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
  }
  .info-card {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: border-color 0.3s;
  }
  .info-card:hover {
    border-color: var(--green-dim);
  }
  .info-icon {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }
  .info-icon i {
    font-size: 1.4rem;
    color: var(--green);
  }
  .info-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
  }
  .info-card p, .info-card a {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.3s;
  }
  .info-card a:hover {
    color: var(--green);
  }

  /* Map container */
  .map-container {
    margin-top: 2rem;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
  }
  .map-container iframe {
    width: 100%;
    height: 280px;
    border: 0;
    display: block;
  }

  /* Contact form */
  .contact-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 2rem;
  }
  .contact-form h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 1.5rem;
  }
  .form-group {
    margin-bottom: 1.2rem;
  }
  .form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
  }
  .form-group input, .form-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    color: var(--text);
    transition: border-color 0.3s;
  }
  .form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--green);
  }
  .form-group input::placeholder, .form-group textarea::placeholder {
    color: var(--text-dim);
  }
  .btn-submit {
    background: var(--green);
    color: var(--black);
    border: none;
    padding: 12px 28px;
    font-family: 'Syne', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 40px;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    margin-top: 0.5rem;
  }
  .btn-submit:hover {
    background: var(--green-light);
    transform: translateY(-2px);
  }


  /* Reveal animations */
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  @keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }
  @keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
  }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(28px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  /* Responsive */
  @media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu { display: block; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .info-card { padding: 1rem; }
  }
  .mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--green);
  }
  @media (max-width: 768px) {
    .mobile-menu { display: block; }
    .nav-links {
      flex-direction: column;
      background: var(--dark);
      position: absolute;
      top: 76px;
      left: 0;
      width: 100%;
      padding: 1.5rem;
      border-bottom: 1px solid var(--border);
      display: none;
    }
    .nav-links.active { display: flex; }
  }