@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;700&display=swap');

:root {
    --primary-color: #00e5ff; /* Bright Cyan */
    --secondary-color: #ff007f; /* Neon Pink */
    --background-start: #1a0a3a; /* Deep Purple */
    --background-end: #0f0c29;   /* Near Black */
    --text-color: #f0f0f0;
    --card-bg-color: rgba(255, 255, 255, 0.05);
    --btn-gradient-start: var(--secondary-color);
    --btn-gradient-end: #ffcc00;   /* Neon Yellow */
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    color: var(--text-color);
    overflow-x: hidden;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: var(--background-end);
    background-image: linear-gradient(45deg, var(--background-start), var(--background-end));
    z-index: -1;
}

.container {
    position: relative;
    z-index: 1;
    padding: 2rem;
}

.header h1 {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color), 0 0 30px var(--secondary-color);
    animation: fadeInDown 1s;
}

.tools-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
}

.tool-card {
    background: var(--card-bg-color);
    border-radius: 15px;
    padding: 2rem;
    width: 300px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(0, 229, 255, 0.18); /* Cyan border */
    text-align: center;
    animation: fadeInUp 1s;
}

.tool-card h3 {
    margin-top: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
    text-shadow: 0 0 5px var(--primary-color);
}

.download-btn {
    display: inline-block;
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    margin-top: 1.5rem;
    font-weight: 700;
    border: none;
    background-image: linear-gradient(45deg, var(--btn-gradient-start), var(--btn-gradient-end));
    background-size: 200% auto;
    transition: background-position 0.4s, transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 4px 15px 0 rgba(255, 105, 180, 0.75); /* Shadow from Neon Pink */
}

.download-btn:hover {
    background-position: right center; /* change the direction of the change here */
    transform: scale(1.05);
    box-shadow: 0 6px 20px 0 rgba(255, 204, 0, 0.75); /* Shadow from Neon Yellow */
}

.footer {
    text-align: center;
    margin-top: 4rem;
    padding: 1rem;
    font-size: 0.9rem;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}