body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    background: url('https://images.pexels.com/photos/8294624/pexels-photo-8294624.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2') no-repeat center center fixed; /* Replace with an AI-related image URL */
    background-size: cover;
    color: #f1f5f9;
    overflow-x: hidden;
}

/* Header Styles */
header {
    text-align: center;
    padding: 4rem 2rem 2rem;
    background: rgba(0, 0, 0, 0.7); /* Transparent black background for modern feel */
    color: white;
    border-bottom: 1px solid #ffffff33; /* Subtle bottom border */
    animation: fadeIn 1s ease-in-out;
    box-shadow: 0px 10px 40px rgba(0, 0, 0, 0.3); /* Soft shadow */
}

/* Header Text (h1) with animation */
h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
    animation: typing 2.5s steps(20) 1s 1 normal both, glow 1.5s ease-in-out infinite alternate;
}

/* Typing Animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

/* Glow Animation */
@keyframes glow {
    0% {
        text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #3b82f6, 0 0 20px #3b82f6, 0 0 25px #3b82f6, 0 0 30px #3b82f6, 0 0 35px #3b82f6;
    }
    50% {
        text-shadow: 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #3b82f6, 0 0 40px #3b82f6, 0 0 50px #3b82f6, 0 0 60px #3b82f6, 0 0 70px #3b82f6;
    }
    100% {
        text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 15px #3b82f6, 0 0 20px #3b82f6, 0 0 25px #3b82f6, 0 0 30px #3b82f6, 0 0 35px #3b82f6;
    }
}

/* Main Section */
main {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Card Container */
.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-in-out;
}

/* Card Style */
.card {
    background: #2c3e50; /* New modern color */
    padding: 2rem;
    border-radius: 1.5rem;
    width: 280px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    border: 1px solid #34495e; /* Soft border for definition */
    transform: scale(1); /* Initial scale */
}

.card:hover {
    transform: scale(1.05); /* Slight zoom effect */
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
    background: #34495e; /* Darken the background on hover */
}

/* Icon Style */
.icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #f39c12; /* Modern accent color */
}

/* Tool Section Styles */
.tool-section {
    display: none;
    width: 100%;
    max-width: 600px;
    background: #1e293b;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    margin-bottom: 2rem;
    animation: fadeIn 0.5s ease-in-out;
}

/* Input and Textarea Styles */
textarea,
input[type="file"] {
    width: 100%;
    margin-top: 1rem;
    padding: 0.75rem;
    border: none;
    border-radius: 0.5rem;
    background: #34495e; /* Darker background for input fields */
    color: #f1f5f9;
    font-size: 1rem;
}

/* Button Style */
button {
    margin-top: 1rem;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    border: none;
    border-radius: 0.5rem;
    background: #3b82f6;
    color: white;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background: #2563eb;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: #cbd5e1;
    font-size: 0.875rem;
    border-top: 1px solid #34495e;
    background: rgba(0, 0, 0, 0.8); /* Dark footer background */
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}