.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
}

.btn {
    background-color: purple;
    color: white;
    padding: 6px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    white-space: nowrap;
}

/* Center block */
.center-block {
    flex: 1;
    text-align: center;
}

.title {
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0;
}

.result {
    font-size: 1.6rem;
    font-weight: bold;
    color: red;
    margin: 2px 0;
}

.time {
    font-size: 1rem;
    font-weight: bold;
    margin: 0;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .title {
        font-size: 1.4rem;
    }
    .btn {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
    .result {
        font-size: 1.3rem;
    }
    .time {
        font-size: 0.9rem;
    }
}

.faq-section {
    width: 100%;
    background: linear-gradient(to right, #f0f2f5, #ffffff);
    padding: 60px 20px;
    font-family: 'Segoe UI', sans-serif;
}

.faq-container {
    max-width: 1000px;
    margin: auto;
}

.faq-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 40px;
    color: #333;
}

.faq-item {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-question {
    padding: 20px;
    font-size: 18px;
    font-weight: 600;
    color: #111;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f7f9fc;
}

.faq-question:hover {
    background-color: #e9eff8;
}

.faq-answer {
    padding: 0 20px 20px 20px;
    font-size: 16px;
    color: #555;
    display: none;
    line-height: 1.6;
    animation: fadeIn 0.3s ease-in-out;
}

.toggle-icon {
    font-size: 22px;
    transition: transform 0.3s ease;
}

.rotate {
    transform: rotate(45deg);
}

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

@media (max-width: 768px) {
    .faq-title {
        font-size: 28px;
    }

    .faq-question {
        font-size: 16px;
    }

    .faq-answer {
        font-size: 15px;
    }
}