* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #fff0f5;
    color: #4a4a4a;
    line-height: 1.6;
}

header {
    background-color: #ff69b4;
    color: white;
    text-align: center;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.5rem;
    font-weight: 300;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.progress-container {
    margin-bottom: 2rem;
    text-align: center;
}

.progress-bar {
    background-color: #ffd1dc;
    border-radius: 20px;
    height: 20px;
    width: 100%;
    overflow: hidden;
}

.progress {
    background-color: #ff69b4;
    height: 100%;
    border-radius: 20px;
    transition: width 0.5s ease-in-out;
}

#progress-text {
    margin-top: 0.5rem;
    font-weight: bold;
    color: #ff69b4;
}

.quote {
    background-color: #fff;
    border-left: 5px solid #ff69b4;
    padding: 1rem;
    margin-bottom: 2rem;
    font-style: italic;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.subject-card {
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.subject-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.subject-card i {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #ff69b4;
}

.subject-card h2 {
    font-size: 1.2rem;
    margin-top: 1rem;
    color: #4a4a4a;
}

@media (max-width: 768px) {
    .subjects-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .subjects-grid {
        grid-template-columns: 1fr;
    }
}