/* ==========================================================================
   B-ALERT TEMPLATE PART: FAQ SECTION
   ========================================================================== */

/* 1. SECTION WRAPPER */
.full-solution-faq {
    background-color: var(--color-carbon-black);
    /* Hoặc tuỳ theo màu cha quy định */
    padding: 112px 32px !important;
    box-sizing: border-box;
    width: 100%;
}

@media (max-width: 1024px) {
    .full-solution-faq {
        padding: 72px 24px !important;
    }
}

@media (max-width: 767px) {
    .full-solution-faq {
        padding: 32px 16px !important;
    }

    .solution-faq-header {
        margin-bottom: 24px !important;
    }
}

/* 2. HEADER */
.home-faq-header {
    text-align: center;
    margin-bottom: 60px;
}

.faq-main-title {
    text-transform: uppercase;
    margin: 0 auto;
    position: relative;
    color: var(--color-information-white);
}

/* 3. GRID & CARDS */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    align-items: start;
    max-width: 1363px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--panel-graphite) !important;
    border: 1px solid var(--ba-border) !important;
    border-radius: 0 !important;
    /* Vuông vức chuẩn B-ALERT */
    overflow: hidden;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.faq-item:hover,
.faq-item.active {
    border-color: var(--color-brushed-chrome) !important;
    box-shadow: 0 0 24px var(--ba-chrome-glow) !important;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: transparent;
    transition: background-color 0.3s ease;
}

.faq-item.active .faq-question,
.faq-question:hover {
    background-color: transparent;
    /* Không đổi nền, chỉ đổi glow viền */
}

.faq-q-text {
    margin: 0;
    flex: 1;
    padding-right: 15px;
    transition: color 0.3s ease;
    color: var(--color-information-white);
    font-size: 18px;
}

.faq-item.active .faq-q-text,
.faq-question:hover .faq-q-text {
    color: var(--color-brushed-chrome);
}

.faq-toggle-icon {
    font-size: 24px;
    color: var(--color-stainless-steel);
    transition: all 0.3s ease;
    line-height: 1;
}

.faq-item.active .faq-toggle-icon,
.faq-question:hover .faq-toggle-icon {
    transform: rotate(45deg);
    color: var(--color-brushed-chrome);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer-inner {
    padding: 0 20px 20px 20px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-stainless-steel);
    /* Bỏ border-top để thiết kế trông liền mạch hơn */
}

/* 4. RESPONSIVE */
@media (max-width: 1024px) {
    .faq-grid {
        gap: 20px;
    }
}

@media (max-width: 767px) {
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .faq-main-title {
        font-size: 24px;
    }

    .faq-q-text {
        font-size: 16px;
    }
}