:root {
    --primary: #6366f1;
    --text: #1f2937;
    --bg: #f8fafc;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.bg-img {
    background-image: url("../img/paper_1280.jpg");
    height: 100%;
    width: 100%;
    background-position: center;
    background-size: cover;
}

.faq-section {
    display: block;
    max-width: 700px;
    margin: 0 auto;
    padding-left: 0;
}

h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.faq-card {
    background: white;
    margin-bottom: 1rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.2s ease;
}

.faq-card:hover {
    transform: translateY(-2px);
}

summary {
    list-style: none;
    padding: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text);
}

/* Custom Arrow */
summary::after {
    content: "+";
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

details[open] summary::after {
    content: "−";
    transform: rotate(180deg);
}

.answer {
    padding: 0 1.25rem 1.25rem 1.25rem;
    color: #4b5563;
    border-top: 1px solid #f1f5f9;
    background-color: lightbrown;
}

/* Animation */
details[open] .answer {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.el {
    color: darkblue;
    text-align: center;
    font-size: 2.5em;
    font-weight: 900;
    font-stretch: expanded;
    padding-top: 0.55em;
}

footer {
    padding-top: 3rem;
    font-size: 1rem;
    text-align: center;
}