/* ===== Vùng chia sẻ: trang chủ sun.win20 - chỉ nằm trong .page-index ===== */
.page-index__hero-section {
    padding-top: 0;
    margin-top: 0;
    width: 100%;
    overflow: hidden;
    background-color: #F4F7FB;
}

.page-index__hero-container {
    max-width: 1440px;
    margin: 0 auto;
}

.page-index__hero-link {
    display: block;
    width: 100%;
}

.page-index__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 17 / 5;
}

/* ---- Grid logo (module 1) ---- */
.page-index__logo-grid-section {
    max-width: 1200px;
    margin: 20px auto 36px;
    padding: 0 16px;
    width: 100%;
    box-sizing: border-box;
}

.page-index__logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px 16px;
    justify-items: center;
    width: 100%;
    margin: 0 auto;
}

.page-index__logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    width: 100%;
    max-width: 280px;
    text-align: center;
    background-color: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(47, 107, 255, 0.08);
    padding: 16px 12px;
    box-sizing: border-box;
    border: 1px solid #D6E2FF;
}

.page-index__logo-card{
    display:flex;
    flex-direction:column;
    gap:12px;
}

.page-index__logo-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    aspect-ratio: 2/1;
    display: block;
}

.page-index__logo-cta {
    display: inline-block;
    padding: 10px 26px;
    border-radius: 999px;
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(47, 107, 255, 0.3);
    box-sizing: border-box;
}

.page-index__logo-cta:hover {
    background: linear-gradient(180deg, #2F6BFF 0%, #1A4FCC 100%);
    transform: translateY(-1px);
    color:#fff;
}

/* Điều chỉnh 2 ô cuối xuống hàng giữa (4 + 2) */
.page-index__logo-item:nth-child(5) {
    grid-column: 2;
}

.page-index__logo-item:nth-child(6) {
    grid-column: 3;
}

/* ---- Guide (module 2) ---- */
.page-index__guide-section {
    background-color: #F4F7FB;
    padding: 20px 0 48px;
}

.page-index__guide-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 16px;
    width: 100%;
    box-sizing: border-box;
    background-color: #FFFFFF;
    border: 1px solid #D6E2FF;
    border-radius: 16px;
    padding: 30px 40px;
}

.page-index__guide-title {
    text-align: center;
    color: #2F6BFF;
    margin-bottom: 24px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
}

.page-index__guide-section h2 {
    font-size: 1.7rem;
    line-height: 1.35;
    font-weight: 700;
    color: #1F2D3D;
    margin: 36px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid #D6E2FF;
}

.page-index__guide-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1F2D3D;
    margin: 24px 0 8px;
}

.page-index__guide-section p {
    color: #1F2D3D;
    line-height: 1.7;
    margin-bottom: 16px;
}

.page-index__guide-section figure {
    margin: 24px auto;
    text-align: center;
    max-width: 800px;
}

.page-index__guide-section figcaption {
    font-size: 0.9rem;
    color: #666;
    margin-top: 6px;
    font-style: italic;
}

.page-index__guide-figure img {
    width: 100%;
    max-width: 800px;
    height: auto;
    object-fit: cover;
    aspect-ratio: 2/1;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
}

.page-index__guide-list {
    padding-left: 20px;
    color: #1F2D3D;
    line-height: 1.7;
    margin-bottom: 16px;
}

.page-index__guide-list li {
    margin-bottom: 8px;
}

.page-index__guide-cta {
    display: inline-block;
    padding: 12px 34px;
    border-radius: 999px;
    background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    text-align: center;
    box-sizing: border-box;
    max-width: 100%;
    width: auto;
    box-shadow: 0 4px 14px rgba(47, 107, 255, 0.35);
}

.page-index__guide-cta:hover {
    box-shadow: 0 6px 20px rgba(47, 107, 255, 0.5);
    background: linear-gradient(180deg, #2F6BFF 0%, #1a4fcc 100%);
}

.page-index__guide-cta--primary {
    display: block;
    width: fit-content;
    margin: 16px auto 0;
}

.page-index__guide-section blockquote {
    margin: 20px 0;
    border-left: 4px solid #2F6BFF;
    background: #F4F7FB;
    padding: 16px 20px;
    color: #1F2D3D;
    border-radius: 0 8px 8px 0;
}

/* FAQ */
.page-index__faq-item {
    background-color: #ffffff;
    border: 1px solid #D6E2FF;
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 12px;
}

.page-index__faq-item summary {
    cursor: pointer;
    font-weight: 700;
    color: #1F2D3D;
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-index__faq-item[open] summary span {
    transform: rotate(45deg);
}

.page-index__faq-item p {
    margin-top: 12px;
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
    .page-index__logo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .page-index__logo-item:nth-child(5),
    .page-index__logo-item:nth-child(6) {
        grid-column: auto;
    }
    .page-index__log-item:nth-child(5) { justify-self: end; }
    .page-index__log-item:nth-child(6) { justify-self: start; }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
    .page-index__hero-image {
        aspect-ratio: 2/1;
    }

    .page-index__logo-grid-section {
        margin: 16px auto 20px;
    }

    .page-index__logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .page-index__logo-card,
    .page-index__logo-item {
        max-width: 100%;
        padding: 10px 8px;
    }

    .page-index__logo-item:nth-child(5),
    .page-index__logo-item:nth-child(6) {
        grid-column: auto;
    }

    .page-index__guide-inner {
        padding: 20px 16px;
    }

    .page-index__guide-title {
        font-size: clamp(1.4rem, 4vw, 1.9rem);
    }

    .page-index__guide-section h2 {
        font-size: 1.4rem;
    }

    .page-index__guide-section h3 {
        font-size: 1.1rem;
    }

    .page-index__guide-figure img {
        max-width: 100%;
        height: auto;
        aspect-ratio: 2/1;
    }

    .page-index__guide-section {
        padding-bottom: 24px;
    }

    .page-index__guide-cta {
        max-width: 100%;
        width: auto;
        text-align: center;
        white-space: normal;
        word-break: break-word;
        padding: 12px 20px;
        font-size: 1rem;
    }

    .page-index__logo-cta {
        max-width: 100%;
        text-align: center;
        white-space: normal;
        word-break: break-word;
        font-size: 0.8rem;
        padding: 8px 12px;
    }

    .page-index__logo-item,
    .page-index__logo-card {
        width: 100%;
        max-width: 100%;
    }

    .page-index__logo-image {
        width: 100%;
        max-width: 100%;
        height: auto;
    }
    
    /* Toàn bộ phần ảnh & CTA nằm gọn trong card */
    .page-index__logo-item a {
        display: inline-block;
        max-width: 100%;
        box-sizing: border-box;
        text-align: center;
    }

    .page-index__logo-card,
    .page-index__logo-item a {
        white-space: normal;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .page-index__logo-grid-section, 
    .page-index__guide-inner,
    .page-index__guide-section,
    .page-index__hero-section {
        max-width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }
}

/* Nhúng ảnh responsive tối đa cho toàn bộ main */
@media (max-width: 768px) {
    .page-index img {
        max-width: 100%;
        height: auto;
    }
}