body {
     font-family: 'Roboto', sans-serif;
     margin: 0;
     padding: 0;
     line-height: 1.6;
     color: #1a1a1a;
     background-color: #f9f9f9;
}
header {
       background: linear-gradient(90deg, #0f2027, #203a43, #2c5364);
       color: #fff;
       padding: 60px 40px;
       text-align: center;
       position: relative;
       overflow: hidden;
}
#matrixCanvas {
    position: absolute;
    inset: 0;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
header > *:not(canvas) {
    position: relative;
    z-index: 2;
}
header h1 {
          font-size: 3em;
          margin-bottom: 10px;
       }
header p {
         font-size: 1.2em;
         font-weight: 400;
       }
nav {
    background: #1a1a1a;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    padding: 15px 0;
}
nav a {
      color: #fff;
      margin: 0 20px;
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s ease;
}
nav a:hover {
            color: #00bcd4;
       }
section {
        padding: 80px 20px;
        max-width: 1000px;
        margin: auto;
       }
h2 {
   font-size: 2em;
   margin-bottom: 20px;
   border-bottom: 3px solid #00bcd4;
   display: inline-block;
   padding-bottom: 5px;
}
p {
  font-size: 1.1em;
  margin-bottom: 20px;
}
.features li {
             margin-bottom: 12px;
             font-size: 1.05em;
       }
pre {
    background: #272822;
    color: #f8f8f2;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
}
footer {
       text-align: center;
       padding: 30px;
       background: #1a1a1a;
       color: #fff;
       margin-top: 40px;
}
a {
  color: #00bcd4;
}

/* Tablets & Small Screens */
@media (max-width: 1024px) {
    header {
        padding: 50px 20px;
    }

    header h1 {
        font-size: 2.5em;
    }

    section {
        padding: 60px 20px;
    }
}

/* Mobile Devices */
@media (max-width: 768px) {

    header h1 {
        font-size: 2.1em;
    }

    header p {
        font-size: 1em;
    }

    nav {
        flex-wrap: wrap;
        gap: 10px;
        padding: 12px;
    }

    nav a {
        margin: 5px 10px;
        font-size: 0.95em;
    }

    section {
        padding: 50px 16px;
    }

    h2 {
        font-size: 1.6em;
    }

    p,
    li {
        font-size: 1em;
    }

    pre {
        font-size: 0.85em;
        padding: 15px;
    }

    footer div {
        text-align: center;
    }
}

/* Extra Small Devices */
@media (max-width: 480px) {

    header h1 {
        font-size: 1.8em;
    }

    h2 {
        font-size: 1.4em;
    }

    nav a {
        font-size: 0.9em;
    }

    pre {
        font-size: 0.8em;
    }
}