:root {
      --primary: #2de8ee;
      --secondary: #5bb6ff;
      --glow: #2de8ee88;
      --dark: #181c23;
      --highlight: #7d6bff;
      --nav-hover: #7d6bff;
    }
    body {
      margin: 0;
      font-family: 'Montserrat', Arial, sans-serif;
      background: var(--dark);
      color: #eaf6fb;
      min-height: 100vh;
      position: relative;
      overflow-x: hidden;
    }
    /* Neon grid background animation */
    .grid-bg {
      position: fixed;
      top: 0; left: 0; width: 100vw; height: 100vh;
      pointer-events: none;
      z-index: 0;
      background:
        repeating-linear-gradient(90deg, #222733 0px, #222733 1.2px, transparent 1.2px, transparent 70px),
        repeating-linear-gradient(0deg, #222733 0px, #222733 1.2px, transparent 1.2px, transparent 70px);
      animation: gridmove 16s linear infinite;
      opacity: 0.62;
    }
    /* "Scan line" effect */
    .scan {
      pointer-events: none;
      position: fixed;
      left: 0; top: 0;
      width: 100vw; height: 100vh;
      z-index: 1;
      background: linear-gradient(180deg, transparent 0%, #2de8ee22 50%, transparent 100%);
      animation: scan-move 6s linear infinite;
      opacity: 0.22;
    }
    @keyframes scan-move {
      0% { background-position: 0 -60vh; }
      100% { background-position: 0 100vh; }
    }
    @keyframes gridmove {
      0% { background-position: 0 0, 0 0; }
      100% { background-position: 70px 70px, 70px 70px; }
    }

    /* Header Navigation */
    header {
      width: 100%;
      background: #181c23ee;
      position: sticky;
      top: 0;
      z-index: 10;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0;
      border-bottom: 1.5px solid #242d3d99;
      animation: fadeInDown 1s 0.1s both;
    }
    @keyframes fadeInDown {
      0% { transform: translateY(-32px); opacity: 0; }
      100% { transform: none; opacity: 1; }
    }
    nav {
      display: flex;
      gap: 30px;
      align-items: center;
      font-size: 1.12rem;
    }
    nav a {
      color: var(--primary);
      text-decoration: none;
      font-weight: 600;
      padding: 20px 0 18px 0;
      position: relative;
      letter-spacing: .8px;
      transition: color 0.2s;
      overflow: hidden;
    }
    /* Animated underline on nav hover */
    nav a::after {
      content: '';
      position: absolute;
      left: 0; bottom: 13px;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--nav-hover));
      border-radius: 3px;
      transform: scaleX(0);
      transform-origin: right;
      transition: transform 0.35s cubic-bezier(.49,1.71,.71,.84);
      box-shadow: 0 0 12px var(--primary);
    }
    nav a:hover::after, nav a:focus::after {
      transform: scaleX(1);
      transform-origin: left;
    }
    nav a:hover { color: var(--nav-hover); }

    .hamburger {
      display: none;
      background: none;
      border: none;
      font-size: 2rem;
      color: var(--primary);
      margin-left: 14px;
      cursor: pointer;
      z-index: 15;
      transition: color .2s;
    }
    .hamburger:hover { color: var(--highlight); }
    .mobile-nav-overlay {
      display: none;
      position: fixed;
      top: 0; left: 0;
      width: 100vw;
      height: 100vh;
      background: #14181fcc;
      z-index: 50;
      flex-direction: column;
      align-items: flex-end;
      animation: fadeIn .25s both;
    }
    @keyframes fadeIn {
      0% { opacity: 0; }
      100% { opacity: 1; }
    }
    .mobile-nav {
      display: flex;
      flex-direction: column;
      gap: 24px;
      background: #181c23ee;
      min-width: 68vw;
      max-width: 94vw;
      padding: 40px 30px 30px 30px;
      margin-top: 0;
      margin-right: 0;
      border-radius: 0 0 24px 0;
      box-shadow: 0 6px 30px #2de8ee22;
      animation: fadeInRight .5s both;
    }
    @keyframes fadeInRight {
      0% { opacity: 0; transform: translateX(40px);}
      100% { opacity: 1; transform: none;}
    }
    .mobile-nav a {
      color: var(--primary);
      font-size: 1.25rem;
      text-decoration: none;
      font-weight: 600;
      padding: 8px 0;
      letter-spacing: .7px;
      transition: color 0.18s;
    }
    .mobile-nav a:hover {
      color: var(--highlight);
    }
    .mobile-nav-close {
      background: none;
      border: none;
      font-size: 2.3rem;
      color: #ff5c8a;
      padding: 12px 25px 10px 10px;
      cursor: pointer;
      align-self: flex-end;
    }
    @media (max-width: 900px) {
      nav {
        display: none;
      }
      .hamburger {
        display: block;
        margin-top: 10px;
      }
      .header {
        margin-top: 35px;
      }
    }
    @media (max-width: 600px) {
      .logo { width: 97vw; }
      .features { gap: 16px; }
      .feature { max-width: 99vw; }
      .header { margin-top: 25px; }
    }
    /* Main Header styles */
    .header {
      z-index: 1;
      position: relative;
      text-align: center;
      margin-top: 48px;
      margin-bottom: 22px;
      animation: fadeInUp 1.1s 0.3s both;
    }
    @keyframes fadeInUp {
      0% { opacity: 0; transform: translateY(36px);}
      100% { opacity: 1; transform: none;}
    }
    .logo {
      width: 340px;
      max-width: 95vw;
      filter: drop-shadow(0 0 25px var(--primary));
      animation: logoPulse 2.4s ease-in-out infinite, floatLogo 4s ease-in-out infinite;
    }
    @keyframes logoPulse {
      0%,100% { filter: drop-shadow(0 0 24px var(--primary)); }
      50% { filter: drop-shadow(0 0 38px var(--highlight)); }
    }
    @keyframes floatLogo {
      0%,100% { transform: translateY(0);}
      50% { transform: translateY(-13px);}
    }
    h1 {
      font-size: 3rem;
      color: var(--primary);
      letter-spacing: 4px;
      margin: 0 0 8px 0;
      text-shadow: 0 0 15px var(--glow);
      font-weight: 700;
    }
    .subtitle {
      color: var(--secondary);
      font-size: 1.3rem;
      font-weight: 500;
      letter-spacing: 2px;
      margin-bottom: 32px;
      text-shadow: 0 0 7px var(--primary);
      opacity: 0.85;
    }
    /* Glowing animated CTA buttons */
    .cta-buttons {
      display: flex;
      justify-content: center;
      gap: 22px;
      margin: 35px 0 48px 0;
      flex-wrap: wrap;
      z-index: 2;
      position: relative;
      animation: fadeInUp 1s 0.7s both;
    }
    .cta-buttons a {
      background: linear-gradient(90deg, var(--primary) 60%, var(--highlight) 100%);
      color: #181c23;
      font-weight: 700;
      padding: 17px 46px;
      border-radius: 36px;
      font-size: 1.18rem;
      text-decoration: none;
      box-shadow: 0 0 20px var(--glow), 0 0 6px #2de8ee50;
      border: none;
      outline: none;
      cursor: pointer;
      position: relative;
      transition: transform .13s, background .18s, color .18s, box-shadow .18s;
      animation: ctaGlow 2.3s alternate infinite;
    }
    .cta-buttons a:hover {
      transform: scale(1.08) translateY(-3px);
      background: linear-gradient(90deg, var(--highlight) 40%, var(--primary) 100%);
      color: #fff;
      box-shadow: 0 0 34px var(--highlight), 0 0 9px var(--primary);
    }
    @keyframes ctaGlow {
      0%,100% { box-shadow: 0 0 15px var(--glow); }
      50% { box-shadow: 0 0 35px var(--highlight), 0 0 10px var(--primary); }
    }
    /* Animated feature cards */
    .features {
      z-index: 1;
      position: relative;
      display: flex;
      justify-content: center;
      gap: 34px;
      flex-wrap: wrap;
      margin: 20px auto 60px auto;
      max-width: 1050px;
      animation: fadeInUp 1.2s 0.9s both;
    }
    .feature {
      background: #232734dd;
      border-radius: 22px;
      padding: 34px 28px 36px 28px;
      min-width: 250px;
      max-width: 340px;
      flex: 1 1 250px;
      box-shadow: 0 2px 32px 0 #10111563, 0 0 16px #222733a7;
      border: 1.5px solid #262d3b;
      text-align: center;
      margin-bottom: 24px;
      transform: translateY(18px) scale(0.97);
      opacity: 0;
      animation: featureIn 1.1s cubic-bezier(.24,1.32,.35,.99) forwards;
      transition: box-shadow .25s, border-color .22s, transform .19s;
      border-image: linear-gradient(90deg, #2de8ee 10%, #7d6bff 90%) 1;
    }
    .feature:nth-child(1) { animation-delay: .2s; }
    .feature:nth-child(2) { animation-delay: .45s; }
    .feature:nth-child(3) { animation-delay: .7s; }
    @keyframes featureIn {
      to { opacity: 1; transform: translateY(0) scale(1); }
    }
    .feature h2 {
      color: var(--primary);
      font-size: 1.5rem;
      margin-bottom: 15px;
      letter-spacing: 1px;
      text-shadow: 0 0 8px var(--primary);
      animation: fadeInUp 0.9s 1s both;
    }
    .feature p {
      color: #c9eafd;
      font-size: 1.08rem;
      margin: 0;
      line-height: 1.7;
      text-shadow: 0 0 2px #2de8ee55;
    }
    .feature:hover {
      box-shadow: 0 4px 48px 0 #2de8ee88, 0 0 22px #7d6bff70;
      border-color: #2de8ee;
      transform: scale(1.03) translateY(-5px);
    }

    /* Glow divider */
    .divider {
      margin: 50px auto 35px auto;
      width: 160px;
      height: 3.5px;
      border-radius: 2px;
      background: linear-gradient(90deg, #2de8ee 25%, #7d6bff 75%);
      box-shadow: 0 0 18px #2de8eea1;
      opacity: .8;
      z-index: 2;
      animation: fadeIn 1s 1.1s both;
    }

    .about-section {
      z-index: 1;
      background: #181c2395;
      border-radius: 20px;
      margin: 0 auto 40px auto;
      max-width: 850px;
      padding: 36px 25px 24px 25px;
      text-align: center;
      box-shadow: 0 0 32px #2de8ee1f;
      animation: fadeInUp 1.2s 1.2s both;
      opacity: 0;
      transform: translateY(25px) scale(.98);
      transition: opacity .7s, transform .6s;
    }
    .about-section.visible {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
    .about-section h3 {
      color: var(--highlight);
      font-size: 1.27rem;
      margin-bottom: 11px;
      letter-spacing: 1px;
      animation: fadeInUp 0.6s 1.5s both;
    }
    .about-section p {
      font-size: 1.08rem;
      color: #b0e5ef;
      margin: 0 0 5px 0;
      line-height: 1.75;
      text-shadow: 0 0 1.5px #2de8ee44;
    }
    .footer {
      text-align: center;
      padding: 32px 10px 18px 10px;
      color: var(--primary);
      font-size: 1.1rem;
      opacity: .7;
      letter-spacing: .2px;
      margin-top: 30px;
      z-index: 2;
      position: relative;
      text-shadow: 0 0 8px #2de8ee61;
      animation: fadeInUp 1.2s 1.5s both;
    }