styles.css

body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

header {
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    text-align: center;
    padding: 50px 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.header-content h1 {
    font-size: 2.5em;
    margin: 0;
    animation: fadeIn 1s ease-in;
}

.header-content p {
    font-size: 1.2em;
    margin-top: 10px;
}

section {
    padding: 40px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    color: #1e3c72;
    font-size: 2em;
    border-bottom: 2px solid #2a5298;
    display: inline-block;
    padding-bottom: 5px;
}

#intro p {
    font-size: 1.1em;
    margin: 15px 0;
}

.challenge-item {
    background: white;
    padding: 20px;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.challenge-item:hover {
    transform: translateY(-5px);
}

.solution-card {
    background: #fff;
    padding: 20px;
    margin: 15px 0;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.solution-card:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.solution-card h3 {
    color: #2a5298;
    margin-top: 0;
}

ul {
    list-style-type: disc;
    margin-left: 20px;
}

footer {
    background: #1e3c72;
    color: white;
    text-align: center;
    padding: 30px 20px;
    margin-top: 40px;
}

footer h2 {
    color: white;
    border-bottom: 2px solid white;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}