:root {
      --primary: #0a0f1c;
      --secondary: #d1fa1c;
      --accent: #22d3ee;
      --accent-dark: #0ea5e9;
      --bg: #000000;
      --bg-light: #0f172a;
      --text: #e2e8f0;
      --text-muted: #94a3b8;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      margin: 0;
      padding: 0;
      background-color: var(--bg);
      color: var(--text);
      overflow-x: hidden;
      line-height: 1.6;
    }
    
    /* Navbar com logo */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      padding: 20px;
      z-index: 1000;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: rgba(10, 15, 28, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(34, 211, 238, 0.1);
    }
    
    .logo {
      display: flex;
      align-items: center;
      text-decoration: none;
    }
    
    .logo-img {
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(145deg, var(--secondary), var(--accent));
      border-radius: 12px;
      margin-right: 15px;
      font-weight: bold;
      font-size: 20px;
      color: var(--primary);
      box-shadow: 0 0 15px rgba(209, 250, 28, 0.5);
    }
    
    .logo-text {
      font-size: 1.5rem;
      font-weight: bold;
      background: linear-gradient(to right, var(--secondary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    
    .nav-links {
      display: flex;
      gap: 30px;
    }
    
    .nav-links a {
      color: var(--text);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s ease;
      position: relative;
    }
    
    .nav-links a:hover {
      color: var(--accent);
    }
    
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 0;
      width: 0;
      height: 2px;
      background: linear-gradient(to right, var(--secondary), var(--accent));
      transition: width 0.3s ease;
    }
    
    .nav-links a:hover::after {
      width: 100%;
    }
    
    /* Efeito de partículas futuristas */
    #particles-js {
      position: fixed;
      width: 100%;
      height: 100%;
      z-index: -1;
    }
    
    /* Header com gradiente tecnológico */
    header, section, footer {
      padding: 80px 20px;
      max-width: 1200px;
      margin: auto;
    }
    
    header {
      background: 
        radial-gradient(circle at 10% 20%, rgba(34, 211, 238, 0.15) 0%, transparent 20%),
        radial-gradient(circle at 90% 60%, rgba(209, 250, 28, 0.1) 0%, transparent 20%),
        url('https://images.unsplash.com/photo-1535223289827-42f1e9919769?auto=format&fit=crop&w=1470&q=80') no-repeat center center/cover;
      color: white;
      text-align: left;
      position: relative;
      border-radius: 0 0 40px 40px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      overflow: hidden;
      margin-top: 90px;
    }
    
    header::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: linear-gradient(135deg, rgba(10, 15, 28, 0.9) 0%, rgba(0, 0, 0, 0.85) 100%);
      border-radius: 0 0 40px 40px;
    }
    
    header h1, header p, header a {
      position: relative;
      z-index: 1;
    }
    
    header h1 {
      font-size: 3.5rem;
      margin-bottom: 20px;
      background: linear-gradient(to right, var(--secondary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      animation: fadeInUp 1s ease;
    }
    
    header p {
      font-size: 1.3rem;
      margin-bottom: 30px;
      max-width: 600px;
      animation: fadeInUp 1.2s ease;
    }
    
    .btn {
      display: inline-block;
      padding: 14px 28px;
      margin: 10px 10px 0 0;
      background: var(--secondary);
      color: black;
      border-radius: 8px;
      text-decoration: none;
      font-weight: bold;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
      animation: fadeInUp 1.4s ease;
    }
    
    .btn::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:hover::before {
      left: 100%;
    }
    
    .btn:hover {
      background: var(--accent);
      color: black;
      transform: translateY(-3px);
      box-shadow: 0 10px 20px rgba(34, 211, 238, 0.3);
    }
    
    .btn-accent {
      background: transparent;
      border: 2px solid var(--accent);
      color: var(--accent);
    }
    
    .btn-accent:hover {
      background: var(--accent);
      color: black;
    }
    
    section h2 {
      font-size: 2.5rem;
      margin-bottom: 50px;
      text-align: center;
      background: linear-gradient(to right, var(--secondary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      position: relative;
      padding-bottom: 15px;
    }
    
    section h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100px;
      height: 3px;
      background: linear-gradient(to right, var(--secondary), var(--accent));
      border-radius: 3px;
    }
    
    .features, .why, .cases, .contact {
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      justify-content: center;
    }
    
    .card {
      background: linear-gradient(145deg, #0f172a, #0a1223);
      border: 1px solid rgba(34, 211, 238, 0.1);
      border-radius: 16px;
      padding: 30px;
      flex: 1 1 300px;
      color: #e2e8f0;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
      transition: all 0.4s ease;
      position: relative;
      overflow: hidden;
    }
    
    .card::before {
      content: '';
      position: absolute;
      top: -2px;
      left: -2px;
      right: -2px;
      bottom: -2px;
      z-index: -1;
      background: linear-gradient(45deg, var(--secondary), var(--accent), var(--secondary));
      border-radius: 18px;
      opacity: 0;
      transition: opacity 0.4s ease;
    }
    
    .card:hover::before {
      opacity: 0.1;
    }
    
    .card:hover {
      transform: translateY(-10px) scale(1.02);
      box-shadow: 0 15px 35px rgba(34, 211, 238, 0.15);
      border-color: rgba(34, 211, 238, 0.3);
    }
    
    .card h3 {
      color: var(--secondary);
      margin-bottom: 15px;
      font-size: 1.4rem;
    }
    
    .card-icon {
      font-size: 2.5rem;
      margin-bottom: 20px;
      color: var(--accent);
    }
    
    footer {
      background: linear-gradient(to top, var(--primary), #050913);
      color: white;
      text-align: center;
      padding: 60px 20px;
      border-radius: 40px 40px 0 0;
      position: relative;
      overflow: hidden;
      margin-top: 50px;
    }
    
    footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(to right, var(--secondary), var(--accent));
    }
    
    .footer-logo {
      display: inline-flex;
      align-items: center;
      margin-bottom: 20px;
      text-decoration: none;
    }
    
    .footer-logo-img {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(145deg, var(--secondary), var(--accent));
      border-radius: 10px;
      margin-right: 10px;
      font-weight: bold;
      font-size: 18px;
      color: var(--primary);
    }
    
    .footer-logo-text {
      font-size: 1.3rem;
      font-weight: bold;
      background: linear-gradient(to right, var(--secondary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    
    /* Animações */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    @keyframes pulse {
      0% {
        box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.4);
      }
      70% {
        box-shadow: 0 0 0 15px rgba(34, 211, 238, 0);
      }
      100% {
        box-shadow: 0 0 0 0 rgba(34, 211, 238, 0);
      }
    }
    
    .animate-on-scroll {
      opacity: 0;
      transform: translateY(30px);
      transition: all 0.8s ease;
    }
    
    .animate-on-scroll.visible {
      opacity: 1;
      transform: translateY(0);
    }
    
    /* Tech elements */
    .tech-grid {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 0;
      opacity: 0.05;
      background-image: 
        linear-gradient(rgba(34, 211, 238, 0.2) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 211, 238, 0.2) 1px, transparent 1px);
      background-size: 50px 50px;
    }
    
    .floating-shapes {
      position: absolute;
      width: 100%;
      height: 100%;
      top: 0;
      left: 0;
      z-index: 0;
      overflow: hidden;
      pointer-events: none;
    }
    
    .shape {
      position: absolute;
      background: linear-gradient(45deg, var(--secondary), var(--accent));
      opacity: 0.05;
      border-radius: 50%;
      animation: float 15s infinite ease-in-out;
    }
    
    .shape:nth-child(1) {
      width: 300px;
      height: 300px;
      top: -150px;
      left: -150px;
      animation-delay: 0s;
    }
    
    .shape:nth-child(2) {
      width: 200px;
      height: 200px;
      bottom: -100px;
      right: 20%;
      animation-delay: -5s;
    }
    
    .shape:nth-child(3) {
      width: 150px;
      height: 150px;
      top: 20%;
      right: -75px;
      animation-delay: -10s;
    }
    
    @keyframes float {
      0%, 100% {
        transform: translate(0, 0) rotate(0deg);
      }
      25% {
        transform: translate(20px, 40px) rotate(5deg);
      }
      50% {
        transform: translate(-30px, 20px) rotate(-5deg);
      }
      75% {
        transform: translate(10px, -30px) rotate(3deg);
      }
    }
    
    /* Responsividade */
    @media (max-width: 768px) {
      .navbar {
        padding: 15px;
        flex-direction: column;
        gap: 15px;
      }
      
      .nav-links {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
      }
      
      header {
        margin-top: 140px;
        min-height: 80vh;
        text-align: center;
      }
      
      header h1 {
        font-size: 2.5rem;
      }
      
      header p {
        font-size: 1.1rem;
        margin: 0 auto 30px;
      }
      
      section h2 {
        font-size: 2rem;
      }
      
      .btn {
        display: block;
        margin: 10px auto;
        text-align: center;
        max-width: 250px;
      }
    }