body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    color: white;
    background: linear-gradient(to bottom, #000033, #330066);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

header {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100vh;
    background: rgba(0, 0, 51, 0.9);
    transition: left 0.5s ease;
    z-index: 1000;
}

header.active {
    left: 0;
}

header nav ul {
    list-style: none;
    padding: 50px 20px;
}

header nav ul li {
    margin: 20px 0;
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

header nav ul li:hover {
    color: #39FF14;
}

#menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    font-size: 2rem;
    cursor: pointer;
    z-index: 1001;
}

.section {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.section:nth-child(odd) {
    background: linear-gradient(to bottom, #000033, #1a004d);
}

.section:nth-child(even) {
    background: linear-gradient(to bottom, #1a004d, #000033);
}

h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
}

p {
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    max-width: 800px;
    margin: 20px auto;
}

.highlight {
    color: #39FF14;
}

button {
    background: transparent;
    border: 2px solid #39FF14;
    color: #39FF14;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 10px #39FF14;
}

.icon {
    background-color: #39FF14;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 10px #39FF14;
    margin: 10px;
}

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #39FF14;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    p {
        font-size: 0.9rem;
    }

    .section {
        padding: 20px;
    }
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px;
    transition: transform 0.3s ease;
}

img:hover {
    transform: scale(1.1);
}