/* ==========================================================================
   STYLESHEET BÀI VIẾT TIN TỨC & MẸO THI (SINGLE POST LAYOUT & CTA)
   Tối ưu Mobile-First (85% di động), chuẩn UI/UX Dạy Lái Xe Nam Việt
   Tác giả: Nam IT Team (0909907073)
   ========================================================================== */

/* 1. KHUNG BỐ CỤC BÀI VIẾT 2 CỘT CHUYỂN 1 CỘT TRÊN MOBILE */
.single-post-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
}

@media (max-width: 991px) {
    .single-post-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

.single-post-article {
    background: #FFFFFF;
    border-radius: var(--radius-md, 10px);
    padding: 30px;
    border: 1px solid var(--border-color, #E2E8F0);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.08));
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .single-post-article {
        padding: 20px 16px;
    }
}

.single-post-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-dark, #1E293B);
    line-height: 1.35;
    margin: 0 0 14px;
}

@media (max-width: 768px) {
    .single-post-title {
        font-size: 21px;
    }
}

.single-post-meta {
    font-size: 13px;
    color: var(--text-muted, #64748B);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color, #E2E8F0);
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}

.single-post-featured-thumb {
    margin-bottom: 24px;
    border-radius: var(--radius-md, 10px);
    overflow: hidden;
}

.single-post-featured-thumb img {
    width: 100%;
    height: auto;
    display: block;
}

/* 2. BOX CHUYỂN ĐỔI HỌC VIÊN CUỐI BÀI VIẾT */
.post-bottom-cta-box {
    margin-top: 32px;
    padding: 22px 20px;
    background: linear-gradient(135deg, #FEF2F2 0%, #FFFBEB 100%);
    border: 2px dashed #F59E0B;
    border-radius: var(--radius-md, 10px);
    text-align: center;
    box-sizing: border-box;
}

.post-cta-heading {
    margin: 0 0 8px;
    font-size: 17px;
    font-weight: 800;
    color: var(--primary, #8B1E1E);
    text-transform: uppercase;
    line-height: 1.4;
}

.post-cta-heading i {
    color: #F59E0B;
}

.post-cta-desc {
    margin: 0 0 16px;
    font-size: 13.5px;
    color: var(--text-dark, #1E293B);
    line-height: 1.5;
}

.post-cta-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.post-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: transform 0.2s, opacity 0.2s;
}

.post-cta-btn:hover {
    transform: translateY(-2px);
    opacity: 0.95;
}

.post-cta-btn.btn-call {
    background: var(--primary, #8B1E1E);
    color: #FFFFFF !important;
}

.post-cta-btn.btn-zalo {
    background: var(--zalo-color, #0068FF);
    color: #FFFFFF !important;
}

.post-cta-btn.btn-reg {
    background: #F59E0B;
    color: #1E293B !important;
    font-weight: 800;
}