/* ==========================================================================
   VARIABLES & SETUP
   ========================================================================== */
   :root {
    /* Colors - Dark/Techy with Bold Accents */
    --bg-base: #050505;
    --bg-surface: #111111;
    --bg-elevated: #1a1a1a;
    
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    
    /* High Energy Gradients & Accents */
    --accent-1: #FF3366; /* Vibrant Pink/Red */
    --accent-2: #FF9933; /* Electric Orange */
    --accent-3: #7C3AED; /* Deep Purple */
    --accent-4: #00F0FF; /* Cyan */
    
    --gradient-primary: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    --gradient-glow: linear-gradient(135deg, rgba(255,51,102,0.5), rgba(255,153,51,0.5));
    --gradient-text: linear-gradient(90deg, var(--accent-1), var(--accent-2), var(--accent-4));
    
    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --nav-height: 80px;
    --section-pad: 100px;
    --container-width: 1200px;
    
    /* Misc */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
    background-color: var(--bg-base);
    color: var(--text-primary);
  }
  
  body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
  }
  
  h1, h2, h3, h4, .font-heading {
    font-family: var(--font-heading);
    line-height: 1.1;
    font-weight: 700;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  ul {
    list-style: none;
  }
  
  .gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    background-size: 200% auto;
    animation: textGradient 5s linear infinite;
  }
  
  @keyframes textGradient {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
  }
  
  .section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
  }
  
  /* ==========================================================================
     BUTTONS
     ========================================================================== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    font-weight: 600;
    font-family: var(--font-heading);
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1.1rem;
    border: none;
    position: relative;
    overflow: hidden;
  }
  
  .btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 51, 102, 0.3);
  }
  
  .btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
  }
  
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 51, 102, 0.5);
  }
  
  .btn-primary:hover::before {
    left: 100%;
  }
  
  .btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-muted);
  }
  
  .btn-outline:hover {
    border-color: var(--text-primary);
    background: rgba(255,255,255,0.05);
  }
  
  /* ==========================================================================
     NAVIGATION
     ========================================================================== */
  .navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
  }
  
  .navbar.scrolled {
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: rgba(255,255,255,0.05);
  }
  
  .nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
  }
  
  .logo-icon {
    color: var(--accent-1);
    font-size: 1.8rem;
  }
  
  .logo-accent {
    color: var(--accent-1);
  }
  
  .nav-links {
    display: flex;
    gap: 32px;
  }
  
  .nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
  }
  
  .nav-links a:hover {
    color: var(--text-primary);
  }
  
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
  }
  
  .nav-links a:hover::after {
    width: 100%;
  }
  
  .nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
  }
  
  .nav-toggle span {
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--text-primary);
    transition: var(--transition);
    left: 0;
  }
  
  .nav-toggle span:nth-child(1) { top: 0; }
  .nav-toggle span:nth-child(2) { top: 9px; }
  .nav-toggle span:nth-child(3) { top: 18px; }
  
  .nav-toggle.active span:nth-child(1) { transform: rotate(45deg); top: 9px; }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg); top: 9px; }
  
  /* ==========================================================================
     HERO SECTION
     ========================================================================== */
  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--nav-height);
    overflow: hidden;
  }
  
  .hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    overflow: hidden;
    background: 
      radial-gradient(circle at 15% 50%, rgba(255, 51, 102, 0.05), transparent 25%),
      radial-gradient(circle at 85% 30%, rgba(0, 240, 255, 0.05), transparent 25%);
  }
  
  .blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: -1;
    animation: float 20s infinite ease-in-out alternate;
  }
  
  .blob-1 {
    width: 400px; height: 400px;
    background: var(--accent-3);
    top: -100px; left: -100px;
  }
  
  .blob-2 {
    width: 500px; height: 500px;
    background: var(--accent-1);
    bottom: -200px; right: -100px;
    animation-delay: -5s;
  }
  
  .blob-3 {
    width: 300px; height: 300px;
    background: var(--accent-4);
    top: 30%; left: 50%;
    animation-delay: -10s;
  }
  
  @keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
  }
  
  .hero-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 1;
  }
  
  .hero-badge {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 24px;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    animation: fadeInUp 0.8s ease backwards;
  }
  
  .hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    letter-spacing: -2px;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s backwards;
  }
  
  .hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
  }
  
  .hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 80px;
    animation: fadeInUp 0.8s ease 0.3s backwards;
  }
  
  .hero-stats {
    display: flex;
    gap: 64px;
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 40px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
  }
  
  .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 8px;
  }
  
  .stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
  }
  
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  .scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    animation: fadeIn 1s ease 1s backwards;
  }
  
  .scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
  }
  
  .scroll-wheel {
    width: 4px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
  }
  
  @keyframes scroll {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
  }
  
  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }
  
  /* ==========================================================================
     SERVICES SECTION
     ========================================================================== */
  .services {
    padding: var(--section-pad) 0;
    background: var(--bg-surface);
    position: relative;
  }
  
  .section-eyebrow {
    color: var(--accent-1);
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    margin-bottom: 16px;
    text-align: center;
  }
  
  .section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: -1px;
  }
  
  .section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 64px;
    font-size: 1.1rem;
  }
  
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
  }
  
  .service-card {
    background: var(--bg-elevated);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    z-index: 1;
  }
  
  .card-glow {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.03), transparent 70%);
    z-index: -1;
    transition: var(--transition);
  }
  
  .service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  }
  
  .service-card:hover .card-glow {
    opacity: 1;
  }
  
  /* Specific hover glows based on service */
  #service-egocentric:hover .card-glow { background: radial-gradient(circle at top right, rgba(255, 51, 102, 0.1), transparent 70%); }
  #service-teleop:hover .card-glow { background: radial-gradient(circle at top right, rgba(255, 153, 51, 0.1), transparent 70%); }
  #service-deformable:hover .card-glow { background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.1), transparent 70%); }
  #service-umi:hover .card-glow { background: radial-gradient(circle at top right, rgba(0, 240, 255, 0.1), transparent 70%); }
  
  .card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--text-primary);
    transition: var(--transition);
  }
  
  .service-card:hover .card-icon--ego { color: var(--accent-1); background: rgba(255, 51, 102, 0.1); }
  .service-card:hover .card-icon--teleop { color: var(--accent-2); background: rgba(255, 153, 51, 0.1); }
  .service-card:hover .card-icon--deform { color: var(--accent-3); background: rgba(124, 58, 237, 0.1); }
  .service-card:hover .card-icon--umi { color: var(--accent-4); background: rgba(0, 240, 255, 0.1); }
  
  .card-icon svg {
    width: 32px;
    height: 32px;
  }
  
  .card-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
  }
  
  .card-desc {
    color: var(--text-secondary);
    margin-bottom: 32px;
    flex-grow: 1;
  }
  
  .card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .card-tags li {
    font-size: 0.8rem;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 4px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    color: var(--text-secondary);
  }
  
  /* ==========================================================================
     CONTACT SECTION
     ========================================================================== */
  .contact {
    padding: var(--section-pad) 0;
    background: var(--bg-base);
    position: relative;
  }
  
  .contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
  }
  
  .contact-info .section-title,
  .contact-info .section-eyebrow,
  .contact-info .contact-desc {
    text-align: left;
    margin-left: 0;
  }
  
  .contact-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
  }
  
  .contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  
  .contact-detail {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.1rem;
    font-family: var(--font-heading);
    font-weight: 600;
  }
  
  .detail-icon {
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
  }
  
  .contact-detail a {
    transition: var(--transition);
  }
  
  .contact-detail a:hover {
    color: var(--accent-1);
  }
  
  .contact-form {
    background: var(--bg-surface);
    padding: 48px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.05);
  }
  
  .form-group {
    margin-bottom: 24px;
  }
  
  .form-group label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
  }
  
  .optional {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 0.85rem;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
    padding: 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
  }
  
  .form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23a0a0a0%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 16px top 50%;
    background-size: 12px auto;
  }
  
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-1);
    background: rgba(0,0,0,0.5);
    box-shadow: 0 0 0 4px rgba(255, 51, 102, 0.1);
  }
  
  .form-group textarea {
    resize: vertical;
    min-height: 120px;
  }
  
  .btn-submit {
    width: 100%;
    gap: 8px;
  }
  
  .btn-arrow {
    transition: var(--transition);
  }
  
  .btn-submit:hover .btn-arrow {
    transform: translateX(5px);
  }
  
  /* ==========================================================================
     FOOTER
     ========================================================================== */
  .footer {
    background: var(--bg-surface);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 64px 0 32px;
  }
  
  .footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
  }
  
  .footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
  }
  
  .footer-tagline {
    color: var(--text-secondary);
  }
  
  .footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.05);
  }
  
  /* ==========================================================================
     RESPONSIVE DESIGN
     ========================================================================== */
  @media (max-width: 992px) {
    .contact-wrapper {
      grid-template-columns: 1fr;
      gap: 48px;
    }
    
    .contact-info {
      text-align: center;
    }
    
    .contact-info .section-title,
    .contact-info .section-eyebrow,
    .contact-info .contact-desc {
      text-align: center;
    }
    
    .contact-details {
      align-items: center;
    }
  }
  
  @media (max-width: 768px) {
    :root {
      --section-pad: 60px;
    }
  
    .nav-toggle {
      display: block;
    }
  
    .nav-links {
      position: fixed;
      top: var(--nav-height);
      left: 0;
      right: 0;
      background: var(--bg-surface);
      flex-direction: column;
      padding: 32px;
      gap: 24px;
      text-align: center;
      transform: translateY(-100%);
      opacity: 0;
      pointer-events: none;
      transition: var(--transition);
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }
  
    .nav-links.active {
      transform: translateY(0);
      opacity: 1;
      pointer-events: all;
    }
  
    .hero-actions {
      flex-direction: column;
      width: 100%;
      max-width: 300px;
    }
  
    .hero-stats {
      gap: 32px;
      flex-direction: column;
    }
    
    .footer-top {
      flex-direction: column;
      gap: 16px;
      text-align: center;
    }
  }