body {
    font-family: 'Inter', sans-serif;
    background-color: #f8f9fa;
}

.navbar-brand {
    font-weight: 700;
}

.hero {
    background: linear-gradient(45deg, #0d6efd, #0dcaf0);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.btn-hero {
    font-size: 1.25rem;
    padding: 0.75rem 2rem;
    font-weight: 600;
}

.section {
    padding: 4rem 0;
}

.question-card {
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    background-color: #fff;
}

.question-card .card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.question-card .card-body {
    padding: 1.5rem;
}

.footer {
    background-color: #343a40;
    color: white;
    padding: 2rem 0;
}

.footer a {
    color: #0dcaf0;
}