* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', sans-serif;
      background: #0b0f1a;
      color: #eef5ff;
      overflow-x: hidden;
    }
    /* dark animated background with subtle gradient orbs */
    .bg-dark-animated {
      background: radial-gradient(circle at 20% 30%, #0f1a2b, #03070e 80%);
      position: relative;
      z-index: 0;
    }
    .bg-dark-animated::before {
      content: '';
      position: absolute;
      inset: 0;
      background: repeating-linear-gradient(45deg, rgba(0, 255, 200, 0.012) 0px, rgba(0, 200, 255, 0.02) 40px, transparent 40px, transparent 80px);
      z-index: -1;
      animation: shimmer 24s linear infinite;
      pointer-events: none;
    }
    @keyframes shimmer {
      0% { background-position: 0 0; }
      100% { background-position: 200px 200px; }
    }
    /* floating orbs – purely decorative, no copyright */
    .orb {
      position: absolute;
      border-radius: 50%;
      filter: blur(90px);
      opacity: 0.2;
      z-index: 0;
      pointer-events: none;
    }
    .orb-1 {
      width: 400px;
      height: 400px;
      background: #00d4ff;
      top: -120px;
      left: -160px;
      animation: floatOrb 18s ease-in-out infinite alternate;
    }
    .orb-2 {
      width: 350px;
      height: 350px;
      background: #00ffb3;
      bottom: -100px;
      right: -120px;
      animation: floatOrb 22s ease-in-out infinite alternate-reverse;
    }
    .orb-3 {
      width: 250px;
      height: 250px;
      background: #3b82f6;
      top: 40%;
      left: 60%;
      animation: floatOrb 16s ease-in-out infinite alternate;
    }
    @keyframes floatOrb {
      0% { transform: translate(0, 0) scale(1); }
      100% { transform: translate(40px, -40px) scale(1.2); }
    }

    /* navbar – clean, no deceptive elements */
    .navbar {
      background: rgba(8, 14, 26, 0.7);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(0, 255, 200, 0.12);
      z-index: 10;
    }
    .navbar-brand {
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #a0f0ff !important;
      text-shadow: 0 0 12px rgba(0, 200, 255, 0.2);
    }
    .navbar-brand i {
      color: #00e6b0;
    }
    .nav-link {
      color: #c8dfff !important;
      font-weight: 600;
      transition: 0.2s;
      margin: 0 6px;
    }
    .nav-link:hover {
      color: #00ffd0 !important;
      text-shadow: 0 0 10px #00ffd060;
    }
    .btn-outline-cyber {
      border: 1px solid #00e6b0;
      color: #00e6b0;
      background: transparent;
      border-radius: 30px;
      padding: 6px 20px;
      font-weight: 600;
      transition: 0.3s;
    }
    .btn-outline-cyber:hover {
      background: #00e6b0;
      color: #0b0f1a;
      box-shadow: 0 0 30px #00e6b070;
    }
    .btn-cyber {
      background: linear-gradient(145deg, #00d4ff, #00b894);
      border: none;
      color: #0b0f1a;
      font-weight: 700;
      padding: 12px 36px;
      border-radius: 60px;
      transition: 0.3s;
      box-shadow: 0 0 25px #00d4ff50;
    }
    .btn-cyber:hover {
      transform: scale(1.03);
      box-shadow: 0 0 45px #00d4ffaa;
      color: #0b0f1a;
    }

    /* hero typography */
    .hero-title {
      font-weight: 800;
      font-size: 3.4rem;
      line-height: 1.1;
      letter-spacing: -1px;
    }
    .hero-title span {
      background: linear-gradient(135deg, #9efff0, #3b9eff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-sub {
      color: #b6d4ff;
      font-weight: 400;
      font-size: 1.2rem;
      border-left: 4px solid #00e6b0;
      padding-left: 20px;
    }
    .stats-badge {
      background: rgba(0, 255, 200, 0.04);
      backdrop-filter: blur(4px);
      border: 1px solid rgba(0, 255, 200, 0.2);
      border-radius: 60px;
      padding: 6px 18px;
      color: #b0f0e0;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    /* robot / ai image – custom SVG, no copyright */
    .robot-img {
      filter: drop-shadow(0 0 30px #00d4ff30);
      animation: levitate 7s ease-in-out infinite;
      max-width: 100%;
    }
    @keyframes levitate {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-14px); }
      100% { transform: translateY(0px); }
    }
    .ai-chip {
      background: rgba(0, 200, 255, 0.03);
      border-radius: 40px;
      padding: 8px 18px 8px 12px;
      border: 1px solid #1f3a5f;
      backdrop-filter: blur(4px);
      display: inline-flex;
      align-items: center;
      gap: 10px;
    }

    /* feature cards – glassmorphism */
    .feature-card {
      background: rgba(12, 22, 40, 0.5);
      backdrop-filter: blur(10px);
      border: 1px solid #1f3a5f;
      border-radius: 30px;
      padding: 2rem 1.5rem;
      transition: 0.3s;
      height: 100%;
      box-shadow: 0 20px 40px -20px #00000080;
    }
    .feature-card:hover {
      border-color: #00e6b0;
      transform: translateY(-8px);
      box-shadow: 0 30px 50px -20px #00d4ff40;
    }
    .feature-icon {
      font-size: 2.6rem;
      color: #00e6b0;
      margin-bottom: 20px;
    }

    /* testimonial style */
    .testimonial-card {
      background: rgba(6, 14, 30, 0.6);
      backdrop-filter: blur(6px);
      border: 1px solid #1e3858;
      border-radius: 30px;
      padding: 28px 20px;
    }

    /* education & crypto cards */
    .edu-card {
      background: rgba(8, 18, 34, 0.7);
      backdrop-filter: blur(4px);
      border: 1px solid #1f3a5f;
      border-radius: 24px;
      padding: 1.8rem 1.2rem;
      transition: 0.3s;
      height: 100%;
    }
    .edu-card:hover {
      border-color: #3b82f6;
      box-shadow: 0 0 30px #3b82f620;
    }
    .crypto-badge {
      background: #1a2a3a;
      border-radius: 40px;
      padding: 4px 14px;
      font-size: 0.8rem;
      border: 1px solid #f7931a;
      color: #f7931a;
    }

    /* mobile responsive */
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.5rem;
      }
      .hero-sub {
        font-size: 1rem;
        padding-left: 12px;
      }
      .orb-1, .orb-2, .orb-3 {
        width: 200px;
        height: 200px;
        filter: blur(70px);
      }
    }
    @media (max-width: 576px) {
      .hero-title {
        font-size: 2rem;
      }
      .btn-cyber {
        padding: 10px 28px;
        width: 100%;
      }
      .navbar-brand {
        font-size: 1.2rem;
      }
    }

    /* custom scroll */
    ::-webkit-scrollbar {
      width: 6px;
      background: #0b0f1a;
    }
    ::-webkit-scrollbar-thumb {
      background: #00e6b0;
      border-radius: 10px;
    }

    .no-deception {
      color: #8aa8c0;
    }
    .section-title {
      color: #d0ecff;
    }
    .section-title span {
      color: #00ffc3;
    }

    /* ----- TRADING PARTICLES (hero overlay) ----- */
    #trading-particles {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: 1;
      pointer-events: none;
      overflow: hidden;
    }
    .particle {
      position: absolute;
      width: 4px;
      height: 4px;
      background: #00d4ff;
      border-radius: 50%;
      box-shadow: 0 0 12px #00d4ff, 0 0 24px #00b894;
      animation: floatParticle linear infinite;
      opacity: 0.7;
    }
    .particle:nth-child(odd) {
      background: #00ffb3;
      box-shadow: 0 0 12px #00ffb3, 0 0 24px #3b82f6;
    }
    .particle:nth-child(3n) {
      width: 6px;
      height: 6px;
      background: #f7931a;
      box-shadow: 0 0 12px #f7931a, 0 0 24px #ffb347;
    }
    .particle:nth-child(5n+2) {
      width: 3px;
      height: 3px;
      background: #ffffff;
      box-shadow: 0 0 10px #a0f0ff, 0 0 20px #3b82f6;
    }
    @keyframes floatParticle {
      0% {
        transform: translateY(100vh) scale(0.2) rotate(0deg);
        opacity: 0.2;
      }
      10% {
        opacity: 0.9;
      }
      90% {
        opacity: 0.9;
      }
      100% {
        transform: translateY(-10vh) scale(1.2) rotate(720deg);
        opacity: 0;
      }
    }
    /* small variation for some particles */
    .particle:nth-child(4n) {
      animation-duration: 18s;
      animation-delay: -4s;
    }
    .particle:nth-child(7n+3) {
      animation-duration: 22s;
      animation-delay: -8s;
    }
    .particle:nth-child(9n+1) {
      animation-duration: 14s;
      animation-delay: -2s;
    }
    /* ensure hero content stays above particles */
    .hero-content {
      position: relative;
      z-index: 2;
    }