/* ============================================================
   LANDING HUONG DAN — Custom Styles
   ============================================================ */

/* Hero Banner Section */
.lh-hero-section {
    background-color: #ffffff;
    padding: 30px 0 0;
}

.lh-hero-row {
    display: grid;
    grid-template-columns: 7fr 3fr;
    gap: 30px;
    align-items: center;
}

/* Left Column: 70% width on Desktop */
.lh-hero-title {
    font-size: clamp(20px, 3.5vw, 26px);
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
    line-height: 1.3;
}

.lh-hero-desc {
    font-size: clamp(13px, 1.8vw, 15px);
    color: #64748b;
    margin: 0;
    line-height: 1.5;
}

/* Right Column: 30% width on Desktop */
.lh-search-form {
    width: 100%;
}

/* Premium Rounded Search Input Box */
.lh-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
    padding: 0 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.lh-search-wrapper:hover {
    border-color: #cbd5e1;
}

.lh-search-icon-left {
    color: #94a3b8;
    font-size: 20px;
    margin-right: 8px;
    pointer-events: none;
    user-select: none;
}

.lh-search-input {
    border: none;
    outline: none;
    background: transparent;
    width: 100%;
    height: 46px;
    font-size: 14px;
    color: #1e293b;
    padding: 0;
}

.lh-search-input::placeholder {
    color: #94a3b8;
    opacity: 1;
}

.lh-search-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    margin-left: 8px;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.lh-search-btn:hover {
    color: var(--color-3);
    background-color: #f1f5f9;
}

.lh-search-icon-right {
    font-size: 20px;
}

/* Main content section layout */
.lh-main-section {
    padding: 40px 0;
    background-color: #ffffff;
}

.lh-main-row {
    display: grid;
    grid-template-columns: 7fr 3fr;
    gap: 30px;
}

.lh-main-left {
    width: 100%;
}

.lh-main-right {
    width: 100%;
}

/* Steps Block styles */
.lh-steps-block {
    width: 100%;
}

.lh-steps-title {
    font-size: clamp(18px, 3vw, 20px);
    font-weight: 700;
    color: #0f172a;
    margin-top: 0;
    margin-bottom: 24px;
}

.lh-steps-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

/* Step Card Styles */
.lh-step-card {
    flex: 1;
    min-width: 0;
    background: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 12px;
    padding: 24px 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.lh-step-icon-wrapper {
    position: relative;
    flex-shrink: 0;
}

.lh-step-icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #fff5eb;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff5000;
}

.lh-step-svg {
    width: 24px;
    height: 24px;
}

.lh-step-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ff5000;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #ffffff;
    line-height: 1;
}

.lh-step-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.lh-step-heading {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
    line-height: 1.3;
}

.lh-step-desc {
    font-size: 13px;
    color: #64748b;
    margin: 0;
    line-height: 1.5;
}

.lh-step-link {
    font-size: 13px;
    font-weight: 600;
    color: #2563eb;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
    transition: color 0.2s ease;
}

.lh-step-link:hover {
    color: #1d4ed8;
    text-decoration: none;
}

.lh-link-arrow {
    transition: transform 0.2s ease;
}

.lh-step-link:hover .lh-link-arrow {
    transform: translateX(3px);
}

/* Connective Arrow styles */
.lh-step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563eb;
    flex-shrink: 0;
}

.lh-step-arrow svg {
    width: 20px;
    height: 20px;
}

/* ============================================================
   Detailed Guides Section
   ============================================================ */

.lh-detail-block {
    margin-top: 48px;
    width: 100%;
}

.lh-detail-title {
    font-size: clamp(18px, 3vw, 20px);
    font-weight: 700;
    color: #0f172a;
    margin-top: 0;
    margin-bottom: 20px;
}

/* Categories Tabs Scroll Wrapper */
.lh-tabs-scroll-wrapper {
    overflow-x: auto;
    margin-bottom: 24px;
    padding-bottom: 4px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.lh-tabs-scroll-wrapper::-webkit-scrollbar {
    display: none;
}

.lh-tabs-list {
    display: flex;
    gap: 10px;
    flex-wrap: nowrap;
}

.lh-tab-btn {
    flex: 0 0 auto;
    padding: 8px 18px;
    font-size: 13.5px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    background-color: #f1f5f9;
    color: #475569;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.lh-tab-btn:hover {
    background-color: #e2e8f0;
    color: #0f172a;
}

.lh-tab-btn.active {
    background-color: #fff2eb;
    color: #ff5000;
    font-weight: 700;
}

.lh-tabs-grid-wrapper {
    display: none;
}

/* Filter Search & Sort Row */
.lh-filter-row {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.lh-filter-search-box {
    position: relative;
    flex: 1;
}

.lh-filter-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 20px;
    pointer-events: none;
    user-select: none;
}

.lh-filter-search-input {
    width: 100%;
    height: 44px;
    padding: 0 16px 0 42px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    outline: none;
    font-size: 14px;
    color: #1e293b;
    background-color: #ffffff;
    transition: all 0.3s ease;
}

.lh-filter-search-input:focus {
    border-color: #cbd5e1;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.02);
}

.lh-filter-sort-box {
    position: relative;
    flex: 0 0 160px;
}

.lh-filter-sort-select {
    width: 100%;
    height: 44px;
    padding: 0 32px 0 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    outline: none;
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    background-color: #ffffff;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lh-filter-sort-select:hover {
    background-color: #f8fafc;
}

.lh-filter-sort-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #64748b;
    font-size: 20px;
    pointer-events: none;
    user-select: none;
}

/* Guides list styles */
.lh-guides-list {
    display: flex;
    flex-direction: column;
    border: 1px solid #f1f5f9;
    border-radius: 12px;
    overflow: hidden;
    background-color: #ffffff;
}

.lh-guide-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid #f8fafc;
    text-decoration: none;
    color: inherit;
    transition: background-color 0.2s ease;
}

.lh-guide-item:last-child {
    border-bottom: none;
}

.lh-guide-item:hover {
    background-color: #f8fafc;
}

.lh-guide-item-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    min-width: 0;
}

.lh-guide-icon-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Icon circles color varieties */
.lh-icon-blue {
    background-color: #eff6ff;
    color: #2563eb;
}

.lh-icon-orange {
    background-color: #fff5eb;
    color: #ff5000;
}

.lh-icon-purple {
    background-color: #faf5ff;
    color: #7c3aed;
}

.lh-icon-blue-light {
    background-color: #f0fdfa;
    color: #0d9488;
}

.lh-guide-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.lh-guide-heading {
    font-size: 15px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
    line-height: 1.4;
    transition: color 0.2s ease;
}

.lh-guide-item:hover .lh-guide-heading {
    color: #ff5000;
}

.lh-guide-desc-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.lh-guide-desc {
    font-size: 13px;
    color: #64748b;
    margin: 0;
    line-height: 1.4;
}

.lh-guide-tag {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    line-height: 1.2;
}

.tag-popular {
    background-color: #f0fdf4;
    color: #16a34a;
}

.tag-new {
    background-color: #eff6ff;
    color: #2563eb;
}

.lh-guide-chevron {
    color: #94a3b8;
    font-size: 20px;
    flex-shrink: 0;
    margin-left: 16px;
    transition: transform 0.2s ease, color 0.2s ease;
}

.lh-guide-item:hover .lh-guide-chevron {
    color: #ff5000;
    transform: translateX(2px);
}

/* Load more button section */
.lh-load-more-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

.lh-load-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 24px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background-color: #ffffff;
    color: #2563eb;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lh-load-more-btn:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

.lh-load-more-btn span {
    font-size: 18px;
}

/* ============================================================
   Video Guides Block (Sidebar)
   ============================================================ */

.lh-video-block {
    background-color: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
    width: 100%;
}

.lh-video-header {
    margin-bottom: 20px;
}

.lh-video-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 4px 0;
    line-height: 1.3;
}

.lh-video-subtitle {
    font-size: 13px;
    color: #64748b;
    margin: 0;
    line-height: 1.4;
}

.lh-video-main-card {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px -2px rgba(0,0,0,0.06);
    background-color: #f1f5f9;
}

.lh-video-thumb-link {
    display: block;
    width: 100%;
    height: 100%;
}

.lh-video-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.lh-video-main-card:hover .lh-video-thumb {
    transform: scale(1.03);
}

.lh-video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: rgba(15, 23, 42, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    backdrop-filter: blur(4px);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.lh-video-main-card:hover .lh-video-play-btn {
    background-color: #ff5000;
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 0 6px rgba(255, 80, 0, 0.2);
}

.lh-video-playlist {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 20px;
}

.lh-video-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.lh-video-item-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.lh-video-item-icon {
    color: #ff5000;
    font-size: 20px;
    flex-shrink: 0;
}

.lh-video-item-title {
    font-size: 13.5px;
    font-weight: 600;
    color: #334155;
    line-height: 1.4;
    transition: color 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lh-video-item:hover .lh-video-item-title {
    color: #ff5000;
}

.lh-video-item-duration {
    font-size: 12px;
    color: #94a3b8;
    flex-shrink: 0;
    margin-left: 10px;
}

.lh-video-footer {
    display: flex;
    justify-content: center;
    border-top: 1px solid #f1f5f9;
    padding-top: 16px;
}

.lh-video-see-all {
    font-size: 13px;
    font-weight: 700;
    color: #2563eb;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s ease;
}

.lh-video-see-all:hover {
    color: #1d4ed8;
}

.lh-see-all-arrow {
    transition: transform 0.2s ease;
}

.lh-video-see-all:hover .lh-see-all-arrow {
    transform: translateX(3px);
}

/* ============================================================
   FAQs Accordion Block (Sidebar)
   ============================================================ */

.lh-faq-block {
    margin-top: 24px;
    background-color: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
    width: 100%;
}

.lh-faq-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.lh-faq-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}

.lh-faq-see-all {
    font-size: 13px;
    font-weight: 700;
    color: #2563eb;
    text-decoration: none;
    transition: color 0.2s ease;
}

.lh-faq-see-all:hover {
    color: #1d4ed8;
}

.lh-faq-list {
    display: flex;
    flex-direction: column;
}

.lh-faq-item {
    border-bottom: 1px solid #f1f5f9;
}

.lh-faq-item:last-child {
    border-bottom: none;
}

.lh-faq-question {
    width: 100%;
    padding: 16px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    outline: none;
}

.lh-faq-question-text {
    font-size: 13.5px;
    font-weight: 600;
    color: #334155;
    line-height: 1.4;
    transition: color 0.2s ease;
}

.lh-faq-question:hover .lh-faq-question-text {
    color: #ff5000;
}

.lh-faq-icon {
    color: #94a3b8;
    font-size: 20px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s ease;
    user-select: none;
}

.lh-faq-question:hover .lh-faq-icon {
    color: #ff5000;
}

.lh-faq-item.active .lh-faq-icon {
    transform: rotate(180deg);
    color: #ff5000;
}

.lh-faq-item.active .lh-faq-question-text {
    color: #ff5000;
}

.lh-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.lh-faq-answer-content {
    padding: 0 0 16px 0;
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
}

/* ============================================================
   Support Block (Sidebar)
   ============================================================ */

.lh-support-block {
    margin-top: 24px;
    background-color: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
    width: 100%;
}

.lh-support-title {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 10px 0;
    line-height: 1.3;
}

.lh-support-desc {
    font-size: 13px;
    color: #475569;
    margin: 0 0 20px 0;
    line-height: 1.5;
}

.lh-support-actions {
    display: flex;
    gap: 12px;
}

.lh-support-btn {
    flex: 1;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    cursor: pointer;
}

.btn-zalo {
    background-color: #0068ff;
    color: #ffffff;
    border: none;
}

.btn-zalo:hover {
    background-color: #0056d6;
    box-shadow: 0 4px 12px rgba(0, 104, 255, 0.2);
}

.btn-ticket {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    color: #0f172a;
}

.btn-ticket:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

/* ============================================================
   Highlights Section (Bottom)
   ============================================================ */

.lh-highlights-block {
    margin-top: 40px;
    background-color: #ffffff;
    border: 1px solid #f1f5f9;
    border-radius: 16px;
    padding: 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
}

.lh-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.lh-highlight-icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.lh-highlight-icon-circle.icon-blue {
    background-color: #eff6ff;
    color: #2563eb;
}

.lh-highlight-icon-circle.icon-green {
    background-color: #f0fdf4;
    color: #16a34a;
}

.lh-highlight-icon-circle.icon-orange {
    background-color: #fff7ed;
    color: #ea580c;
}

.lh-highlight-icon-circle.icon-purple {
    background-color: #faf5ff;
    color: #9333ea;
}

.lh-highlight-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lh-highlight-title {
    font-size: 14.5px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
    line-height: 1.3;
}

.lh-highlight-desc {
    font-size: 13px;
    color: #64748b;
    margin: 0;
    line-height: 1.5;
}


/* ============================================================
   Responsive Media Queries
   ============================================================ */

@media (max-width: 991px) {
    .lh-main-row {
        gap: 20px;
    }

    .lh-highlights-block {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
        padding: 24px;
    }
}

@media (max-width: 768px) {
    .lh-main-row {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .lh-highlights-block {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
        margin-top: 30px;
    }
    
    .lh-steps-row {
        flex-direction: column;
        gap: 16px;
    }
    
    .lh-step-arrow {
        display: none;
    }
    
    .lh-step-card {
        width: 100%;
    }

    /* Toggle categories display for Mobile */
    .lh-tabs-scroll-wrapper {
        display: none;
    }

    .lh-tabs-grid-wrapper {
        display: block;
        margin-bottom: 24px;
    }

    .lh-tabs-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        width: 100%;
    }

    .lh-grid-tab-btn {
        background-color: #ffffff;
        border: 1px solid #f1f5f9;
        border-radius: 12px;
        padding: 16px 8px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 10px;
        cursor: pointer;
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
        width: 100%;
        outline: none;
    }

    .lh-grid-tab-btn:hover {
        border-color: #cbd5e1;
        background-color: #f8fafc;
    }

    .lh-grid-tab-btn.active {
        border-color: #ff5000;
        background-color: #fff2eb;
    }

    .lh-grid-tab-icon {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .lh-grid-tab-icon.icon-green {
        background-color: #f0fdf4;
        color: #334155;
    }

    .lh-grid-tab-icon.icon-blue {
        background-color: #eff6ff;
        color: #2563eb;
    }

    .lh-grid-tab-icon.icon-orange {
        background-color: #fff5eb;
        color: #ff5000;
    }

    .lh-grid-tab-icon.icon-teal {
        background-color: #e6f7f0;
        color: #0d9488;
    }

    .lh-grid-tab-icon.icon-purple {
        background-color: #f3e8ff;
        color: #7c3aed;
    }

    .lh-grid-tab-icon.icon-grey {
        background-color: #f1f5f9;
        color: #475569;
    }

    .lh-grid-tab-text {
        font-size: 13px;
        font-weight: 700;
        color: #0f172a;
        text-align: center;
        line-height: 1.3;
    }

    .lh-filter-row {
        flex-direction: column;
        gap: 12px;
    }

    .lh-filter-sort-box {
        flex: 1;
        width: 100%;
    }

    .lh-guide-item {
        padding: 16px;
    }

    .lh-guide-desc-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}

@media (max-width: 767px) {
    .lh-hero-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .lh-support-actions {
        flex-direction: column;
        gap: 10px;
    }
}