/* === Homepage Styles === */

/* Homepage Slider Styles */
#carouselPC,
#carouselMobile {
    margin-bottom: 30px;
    position: relative;
}

#carouselPC .carousel-indicators,
#carouselMobile .carousel-indicators {
    justify-content: flex-start;
    flex-direction: column;
    /* Stack vertically for 3 lines from top to bottom */
    left: 30px;
    /* Position from left */
    bottom: 30px;
    /* Position from bottom */
    right: auto;
    margin: 0;
    width: auto;
}

#carouselPC .carousel-indicators li,
#carouselMobile .carousel-indicators li {
    width: 30px;
    /* This becomes the \"length\" of the line */
    height: 3px;
    background-color: #fff;
    border: none;
    opacity: 0.5;
    margin: 0 0 10px 0;
    /* Spacing between stacked items (bottom margin) */
    transition: width 0.3s ease, opacity 0.3s ease;
}

#carouselPC .carousel-indicators li.active,
#carouselMobile .carousel-indicators li.active {
    width: 60px;
    /* Longer active line */
    opacity: 1;
    background-color: #fff;
}

/* Fix Flashing on Carousel Transition */
.carousel-inner {
    background-color: #000;
    /* Hide white flash */
    overflow: hidden;
}

.carousel-item {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    perspective: 1000px;
}

/* Ensure images don't cause layout shift */
.carousel-item img {
    width: 100%;
    height: auto;
    display: block;
}

.carousel-control-prev,
.carousel-control-next {
    width: 50px;
    /* Specific click area size */
    height: 50px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    /* No background */
    opacity: 0.8;
    z-index: 10;
}

.carousel-control-prev {
    left: 2%;
    /* Move inward */
    justify-content: flex-start;
    /* Align icon */
}

.carousel-control-next {
    right: 2%;
    /* Move inward */
    justify-content: flex-end;
    /* Align icon */
}

/* Custom Thin Icon Style */
.custom-carousel-icon {
    font-size: 20px !important;
    /* Large but thin */
    color: #fff;
    font-weight: 700 !important;
    /* Attempt to make thinner if font supports it */
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    /* Ensure visibility on light images */
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    .carousel-control-prev {
        left: 10px;
    }

    .carousel-control-next {
        right: 10px;
    }

    .custom-carousel-icon {
        font-size: 35px;
    }
}

/* Introduction Section */
.intro-section {
    max-width: 40%;
    /* 50% width on Desktop */
    margin: 0 auto 0px auto;
    /* Centered horizontally */
    text-align: left;
    /* Text left aligned as per image */
    padding: 0 15px;
    margin-bottom: 35px;
}

.intro-section h1 {
    font-size: 35px;
    font-weight: bold;
    color: #000;
    margin-bottom: 10px;
    line-height: 1.2;
}

.intro-section h2 {
    font-size: 24.5px;
    font-weight: bold;
    color: #000;
    margin-top: 10px;
    margin-bottom: 20px;
    line-height: 1.3;
}

.intro-divider {
    width: 150px;
    height: 3px;
    background-color: #cca471;
    /* Bronze line */
    margin: 10px 0;
}

.intro-content p {
    font-size: 18px;
    color: #333;
    line-height: 1.6;
    margin-bottom: 20px;
}

.intro-signature img {
    max-width: 190px;
    /* Adjust as needed */
    height: auto;
    display: block;
    margin-bottom: 5px;
}

.signature-text {
    font-family: monospace;
    /* Or specific font if requested */
    font-weight: bold;
    font-size: 14px;
    margin: 0;
}

/* Mobile Responsiveness for Intro */
@media screen and (max-width: 768px) {
    .intro-section {
        max-width: 100%;
        /* Full width on Mobile */
        padding: 0 20px;
        margin-bottom: 30px;
    }

    .intro-section h1 {
        margin-top: 30px;
        margin-bottom: 20px;
    }

    .intro-section h2 {
        margin-bottom: 12px;
    }

    .intro-divider {
        margin: 0 0 18px;
    }
}

/* Secondary Product Slider (and Slides 3, 4) */
#carouselProducts,
#carouselProducts3,
#carouselProducts4 {
    margin-bottom: 50px;
    position: relative;
    max-width: 1200px;
}

#carouselProducts,
#carouselProducts4 {
    margin-top: 80px;
}

/* Hide Arrows for all */
#carouselProducts .carousel-control-prev,
#carouselProducts .carousel-control-next,
#carouselProducts3 .carousel-control-prev,
#carouselProducts3 .carousel-control-next,
#carouselProducts4 .carousel-control-prev,
#carouselProducts4 .carousel-control-next {
    display: none !important;
}

/* Indicators: Dots, Centered */
#carouselProducts .carousel-indicators,
#carouselProducts3 .carousel-indicators,
#carouselProducts4 .carousel-indicators {
    justify-content: center;
    /* Center align */
    bottom: 20px;
    /* Move inside image */
    margin: 0;
    /* Reset default Bootstrap margins */
    padding: 0;
    position: absolute;
    /* Relative to carousel */
    width: 100%;
    left: 0;
    right: 0;
    flex-direction: row;
    /* Ensure horizontal */
}

#carouselProducts .carousel-indicators li,
#carouselProducts3 .carousel-indicators li,
#carouselProducts4 .carousel-indicators li {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    /* Circle dots */
    background-color: #333;
    /* Dark dots */
    border: none;
    opacity: 0.3;
    margin: 0 5px;
    transition: all 0.3s ease;
}

#carouselProducts .carousel-indicators li.active,
#carouselProducts3 .carousel-indicators li.active,
#carouselProducts4 .carousel-indicators li.active {
    width: 10px;
    height: 10px;
    opacity: 1;
    background-color: #c40d2e;
    /* Active color (Red) */
}

/* === Course Sections General === */
.course-header {
    text-align: center;
}

.sdnh-course-btn {
    display: inline-block;
    background: transparent;
    color: #cca471 !important;
    text-decoration: underline !important;
    text-underline-offset: 8px;
    text-decoration-thickness: 1px;
    padding: 0;
    border-radius: 0;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.2px;
    margin-top: 8px !important;
    transition: opacity 0.2s ease, color 0.2s ease;
}

.sdnh-course-btn:hover {
    opacity: 0.85;
    color: #cca471 !important;
    text-decoration: underline !important;
}

.course-desc-wrapper {
    padding: 0 15px;
    margin: 0 auto 0 auto;
    max-width: 800px;
}

.course-title {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 30px;
    text-transform: uppercase;
    color: #000;
}

.course-desc {
    font-size: 1.4rem;
    line-height: 1.55;
}

/* === Course Section shared styles === */

@media screen and (min-width: 769px) {
    .course-section {
        padding-left: 0 !important;
        padding-right: 0 !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
    }

    .course-section .row {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
    }

    .course-section .sdnh-course-section-video,
    .course-section .sdnh-course-video-player {
        border-radius: 14px !important;
        overflow: hidden !important;
        background: transparent !important;
    }

    .course-section .sdnh-course-section-video iframe,
    .course-section .sdnh-course-section-video video,
    .course-section .sdnh-course-section-media iframe,
    .course-section .sdnh-course-section-media video,
    .course-section .sdnh-course-video-player .sdnh-course-section-video-media {
        border-radius: 0 !important;
        background: transparent !important;
    }
}

/* === Course Category Section 1 Specifics === */
.course-section-1 {
    margin-bottom: 60px;
}

/* === Course Category Section 2 Specifics === */

/* === Course Category Section 3 Specifics === */

/* === Count Up Timer === */
.sdnh-timer-wrapper {
    background-color: #000;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 60px 0;
    /* Increase padding for better visual */
    text-align: center;
    overflow: hidden;
    position: relative;
    /* For overlay if needed */
}

/* Optional Overlay if background is too bright */
.sdnh-timer-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    /* Semi-transparent overlay to ensure text readability */
    z-index: 1;
}

#sdnh-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    /* Align centers */
    font-family: 'Arial Black', 'Helvetica Neue', sans-serif;
    gap: 40px;
    position: relative;
    z-index: 2;
    /* Content above overlay */
}

/* Inline Layout Logic */
.timer-block {
    display: flex;
    align-items: baseline;
    /* Align text baselines */
    gap: 10px;
    /* Space between number and label */
    position: relative;
    padding-bottom: 30px;
    /* Space for reflection */
}

.timer-val {
    display: block;
    font-size: 80px;
    font-weight: 900;
    color: #fff;
    line-height: 1;
    position: relative;
    z-index: 10;
}

.timer-label {
    display: block;
    font-size: 20px;
    font-weight: bold;
    color: #fff;
    text-transform: capitalize;
    /* "Ngày" instead of "NGÀY" looks better inline */
    margin: 0;
    letter-spacing: 1px;
}

/* Reflection Effect for NUMBER ONLY */
.timer-val::after {
    content: attr(data-val);
    position: absolute;
    top: 90%;
    left: 0;
    right: 0;
    transform: scaleY(-0.7);
    opacity: 0.4;

    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0) 80%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;

    pointer-events: none;
    line-height: 1;
}

/* Responsive */
@media (max-width: 992px) {
    .timer-val {
        font-size: 60px;
    }

    .timer-label {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    #sdnh-timer {
        flex-wrap: nowrap;
        /* Force single line */
        gap: 8px;
        /* Reduce gap */
    }

    .timer-block {
        flex: 1;
        /* Distribute space evenly */
        justify-content: center;
        margin-bottom: 0;
        gap: 2px;
        /* Reduce gap between number and label */
        flex-direction: column;
        /* Stack number and label on very small screens if needed, OR keep row but smaller */
        align-items: center;
    }


    .timer-val {
        font-size: 28px;
        /* Much smaller font */
    }

    .timer-label {
        font-size: 12px;
        margin-top: 5px;
        /* Add slight space if stacked */
    }

    /* Adjust reflection overlap on mobile */
    .timer-block {
        padding-bottom: 15px;
    }

    .sdnh-timer-wrapper {
        padding: 40px 0;
    }
}

/* Mobile adjustments for Course Sections */
@media screen and (max-width: 768px) {

    .course-title {
        font-size: 32px;
    }

    .course-desc {
        font-size: 1.2rem;
        line-height: 1.5;
    }

    .course-section {
        margin-top: 0rem;
    }

    .course-section .sdnh-course-section-media {
        order: 1;
    }

    .course-section .sdnh-course-section-content {
        order: 2;
        margin-top: 30px !important;
    }

    .course-section .col-12:has(.sdnh-course-slider) {
        order: 3;
        margin-top: 32px;
    }

    .course-section .sdnh-course-section-media {
        width: 100vw;
        max-width: 100vw;
        margin-left: calc(50% - 50vw);
        margin-right: calc(50% - 50vw);
        padding-left: 0;
        padding-right: 0;
    }

    .course-section .sdnh-course-section-video {
        border-radius: 0 !important;
        overflow: hidden;
    }

    .course-section .sdnh-course-section-video.ratio {
        --bs-aspect-ratio: 50%;
    }

    .course-section .sdnh-course-video-player {
        position: relative;
        width: 100%;
        aspect-ratio: 16 / 8;
        border-radius: 0 !important;
        overflow: hidden;
        background: transparent;
    }

    .course-section .sdnh-course-section-video::after {
        content: '';
        position: absolute;
        inset: 0;
        background: #000;
        opacity: var(--sdnh-course-video-overlay-opacity, 0.22);
        z-index: 1;
        pointer-events: none;
    }

    .course-section .sdnh-course-section-video iframe,
    .course-section .sdnh-course-section-video video,
    .course-section .sdnh-course-section-media iframe,
    .course-section .sdnh-course-section-media video {
        width: 100% !important;
        height: 100% !important;
        display: block;
        border-radius: 0 !important;
        object-fit: cover;
    }

    .course-section .sdnh-course-video-player .sdnh-course-section-video-media {
        width: 100% !important;
        height: 100% !important;
    }

    .course-section .sdnh-course-video-toggle {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 44px;
        height: 44px;
        border: 0;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(2px);
        -webkit-backdrop-filter: blur(2px);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
        z-index: 3;
        padding: 0;
        outline: none;
        box-shadow: none;
        -webkit-tap-highlight-color: transparent;
    }

    .course-section .sdnh-course-video-toggle:focus,
    .course-section .sdnh-course-video-toggle:focus-visible,
    .course-section .sdnh-course-video-toggle:active {
        outline: none;
        box-shadow: none;
        border-color: transparent;
    }

    .course-section .sdnh-course-video-toggle.is-visible {
        opacity: 1;
        visibility: visible;
    }

    .course-section .sdnh-course-video-toggle-icon {
        width: 0;
        height: 0;
        border-top: 7px solid transparent;
        border-bottom: 7px solid transparent;
        border-left: 11px solid #ffffff;
        margin-left: 3px;
    }

    .course-section .course-header {
        text-align: left !important;
        border-left: 3px solid #cca471;
        /* Gold border spans title, desc, btn */
        padding-left: 20px;
        margin-left: 5px;
        /* Align with banner */
    }

    .course-section .course-desc-wrapper {
        margin: 0;
        /* Reset */
        text-align: left !important;
        border: none;
        /* Remove inner border */
        padding: 0;
    }

    .course-section .course-title {
        text-align: left !important;
        margin-bottom: 15px;
        line-height: 1.2;
    }

    /* Ensure button aligns left */
    .course-section .sdnh-course-btn,
    .course-section .btn-view-now {
        margin-left: 0;
        margin-right: auto;
        display: inline-block;
    }

    .course-section .row.gy-5 .col-12 {
        text-align: center;
    }

    /* Gap between text block and video block when stacked */
    .course-section .row.gy-5 .col-12:not(:first-child) {
        margin-top: 0;
    }

}

.course-section .sdnh-course-video-player {
    position: relative;
    background: transparent;
}

.course-section .sdnh-course-section-video::after {
    content: '';
    position: absolute;
    inset: 0;
    background: #000;
    opacity: var(--sdnh-course-video-overlay-opacity, 0.18);
    z-index: 1;
    pointer-events: none;
}

.course-section .sdnh-course-video-toggle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 3;
    padding: 0;
    outline: none;
    box-shadow: none;
    -webkit-tap-highlight-color: transparent;
}

.course-section .sdnh-course-video-toggle:focus,
.course-section .sdnh-course-video-toggle:focus-visible,
.course-section .sdnh-course-video-toggle:active {
    outline: none;
    box-shadow: none;
    border-color: transparent;
}

.course-section .sdnh-course-video-toggle.is-visible {
    opacity: 1;
    visibility: visible;
}

.course-section .sdnh-course-video-toggle-icon {
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 12px solid #ffffff;
    margin-left: 4px;
}

/* === Parallax CTA Section === */
.sdnh-parallax-wrapper {
    position: relative;
    background-attachment: fixed;
    background-position: center center !important;
    /* Force center */
    background-repeat: no-repeat;
    background-size: cover;
    padding: 100px 0;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
}

.sdnh-parallax-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    /* Dark overlay */
    z-index: 1;
}

.sdnh-parallax-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.sdnh-parallax-btn {
    display: inline-block;
    padding: 15px 40px;
    border: 2px solid #fff;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.2);
    /* Slight background for readability */
    min-width: 200px;
    margin: 10px;
}

.sdnh-parallax-btn:hover {
    background: #fff;
    color: #333;
    text-decoration: none;
    cursor: pointer;
}

@media screen and (max-width: 768px) {
    .sdnh-parallax-wrapper {
        background-attachment: scroll;
        /* Disable fixed attachment on mobile for performance/compatibility */
        padding: 60px 0;
    }

    .sdnh-parallax-btn {
        padding: 12px 30px;
        font-size: 16px;
        width: 100%;
        /* Full width buttons on mobile */
        max-width: 300px;
    }
}

/* Remove margin-left for first course item on mobile in all sliders */
@media screen and (max-width: 768px) {
    .sdnh-list .sdnh-item:first-child {
        margin-left: 0 !important;
    }
}

/* Full width sliders on mobile (Break out of container) */
@media screen and (max-width: 768px) {

    #carouselProducts,
    #carouselProducts3,
    #carouselProducts4,
    .sdnh-list-container {
        width: 100vw;
        position: relative;
        left: 50%;
        right: 50%;
        margin-left: -50vw;
        margin-right: -50vw;
        max-width: 100vw !important;
        padding-left: 0;
        padding-right: 0;
    }

    #carouselProducts4 {
        margin-top: 80px;
    }
}

/* Increase spacing between course items on mobile */
@media screen and (max-width: 768px) {

    .sdnh-list .sdnh-item:last-child {
        margin-right: 0;
    }
}

.homepage-article-section .single-post-content {
    color: #495057;
}

/* Increase spacing for Slide 3 (before Course 2) on mobile */

@media screen and (max-width: 768px) {
    #carouselProducts3 {
        margin-bottom: 30px;
        /* Increased by 30px */
    }
}

/* Rounded and Centered "See More" Buttons for News and Article Sections */
.news-section .btn-outline-dark,
.homepage-article-section .btn-article-expand {
    border-radius: 50px !important;
    padding-left: 40px;
    padding-right: 40px;
    /* Ensure centering if they are block level somehow, though .text-center handles inline-block */
    display: inline-block;
}

.homepage-article-section .btn-article-expand:focus,
.homepage-article-section .btn-article-expand:focus-visible,
.homepage-article-section .btn-article-expand:active {
    outline: none !important;
    box-shadow: none !important;
}

.homepage-article-section .article-expand-wrap {
    margin-top: 28px;
}

.news-section .news-more-wrap {
    margin-top: 28px;
}

@media screen and (min-width: 769px) {
    .homepage-article-section .article-expand-wrap {
        margin-bottom: 26px;
    }

    .news-section .news-more-wrap {
        margin-bottom: 26px;
    }
}

/* Fix News Section alignment on mobile:
   Restore padding-right to balance the container for centering the button,
   but pull the slider back to the edge with negative margin.
*/
.news-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    min-width: 0;
    margin-top: auto;
    padding-top: 14px;
}

.news-category {
    display: inline-block;
    max-width: 96px;
    min-width: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: #7c7c7c;
    font-size: 0.82rem;
    font-weight: 400;
    line-height: 1.2;
    text-decoration: none;
    transition: color 0.25s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-category:hover {
    color: #555;
    text-decoration: none;
}

.news-category-more {
    display: none;
}

@media screen and (max-width: 768px) {

    .news-section .news-list-container {
        margin-right: -15px;
    }

    .news-section .news-more-wrap {
        margin-right: 15px;
        margin-top: 40px !important;
        margin-bottom: 0;
    }

    /* SEO Article Section Spacing (20px left/right) */
    .homepage-article-section .container {
        padding-left: 20px !important;
        padding-right: 20px !important;
    }

    .homepage-article-section .article-expand-wrap {
        margin-top: 30px;
        margin-bottom: 0;
    }

    .news-categories {
        gap: 8px;
        padding-top: 12px;
    }

    .news-category {
        max-width: 92px;
        font-size: 0.78rem;
    }
}

/* SEO Article Section Width on Desktop */
@media screen and (min-width: 992px) {
    .homepage-article-section .container {

        /* Course Header Widths (50% on Desktop) */
        .course-section-1 .course-header,
        .course-section-2 .course-header {
            max-width: 50%;
            margin-left: auto;
        }
    }
}

/* === Homepage Course Slider Styles (Ensured) === */

.sdnh-course-slider {
    overflow: visible;
    padding: 18px 0 14px;
    margin-top: 35px;
}

.sdnh-slider-outer {
    position: relative;
    overflow: visible;
}

@media screen and (min-width: 769px) {
    .course-section .sdnh-course-slider {
        overflow: visible;
    }

    .course-section .sdnh-slider-outer {
        width: 100%;
    }

    .course-section .sdnh-slider-inner {
        width: 100%;
        box-sizing: border-box;
    }

    .course-section .sdnh-list-container {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }

    .course-section .sdnh-slider-outer,
    .course-section .sdnh-slider-inner,
    .course-section .sdnh-list-container,
    .course-section .sdnh-list {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}

.sdnh-list {
    display: flex;
    flex-wrap: nowrap;
    gap: 18px;
    transition: transform 0.5s ease;
    scroll-behavior: smooth;
    overflow-x: visible;
    overflow-y: visible;
    padding: 12px 0 18px;
    box-sizing: border-box;
    width: 100%;
}

.sdnh-list-container::-webkit-scrollbar {
    height: 6px;
}

.sdnh-list-container::-webkit-scrollbar-track {
    background: #efefef;
    border-radius: 999px;
}

.sdnh-list-container::-webkit-scrollbar-thumb {
    background: #c9c9c9;
    border-radius: 999px;
}

.sdnh-list-container::-webkit-scrollbar-thumb:hover {
    background: #b6b6b6;
}


.sdnh-item {
    flex: 0 0 calc((100% - 36px) / 3) !important;
    max-width: calc((100% - 36px) / 3) !important;
    padding: 10px 0 18px;
    margin-bottom: 20px;
    box-sizing: border-box;
}

/* Card Styles for Homepage */
.sdnh-card {
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    height: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
}

.sdnh-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.sdnh-thumb {
    position: relative;
    overflow: hidden;
    padding-bottom: 75%;
    /* 4:3 ratio */
}

.sdnh-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sdnh-card-manual {
    background: transparent;
    border: none;
    border-radius: 12px;
    overflow: visible;
    padding: 0;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform, box-shadow;
}

.sdnh-card-manual::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 10px 22px rgba(17, 17, 17, 0.12), 0 3px 10px rgba(17, 17, 17, 0.06);
    pointer-events: none;
    z-index: 0;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.sdnh-card-manual:hover {
    transform: translateY(-4px);
}

.sdnh-card-manual:hover::before {
    box-shadow: 0 18px 34px rgba(17, 17, 17, 0.16), 0 8px 18px rgba(17, 17, 17, 0.08);
}

.sdnh-card-manual-link {
    display: block;
    text-decoration: none;
    overflow: visible;
    border-radius: 12px;
    background: #ffffff;
    position: relative;
    z-index: 1;
}

.sdnh-thumb-manual {
    padding-bottom: 133.333%;
    border-radius: 12px;
    overflow: hidden;
    background: transparent;
    box-shadow: none;
    transition: transform 0.3s ease;
    will-change: transform;
}

.sdnh-thumb-manual img {
    transition: transform 0.35s ease, filter 0.35s ease;
    will-change: transform, filter;
}

.sdnh-item:hover .sdnh-thumb-manual img,
.sdnh-card-manual:hover .sdnh-thumb-manual img,
.sdnh-card-manual-link:hover .sdnh-thumb-manual img {
    transform: scale(1.05);
    filter: brightness(1.03);
}

.sdnh-item:hover .sdnh-thumb-manual,
.sdnh-card-manual:hover .sdnh-thumb-manual,
.sdnh-card-manual-link:hover .sdnh-thumb-manual {
    transform: none;
    box-shadow: none;
}

.sdnh-item:hover .sdnh-card-manual-link,
.sdnh-card-manual:hover .sdnh-card-manual-link,
.sdnh-card-manual-link:hover {
    transform: none;
    box-shadow: none;
}

.sdnh-details {
    padding: 15px;
    text-align: left;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.sdnh-name {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 8px;
    line-height: 1.3;
    min-height: 42px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sdnh-name a {
    color: #333;
    text-decoration: none;
}

.sdnh-price {
    color: #cca471;
    font-weight: bold;
    font-size: 16px;
    margin-top: auto;
}

/* Navigation Buttons */
.sdnh-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border: 1px solid #ddd;
    color: #333;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.sdnh-nav-btn.sdnh-nav-left {
    left: -20px;
}

.sdnh-nav-btn.sdnh-nav-right {
    right: -20px;
}

.sdnh-nav-btn:hover {
    background: #cca471;
    color: #fff;
    border-color: #cca471;
}

.sdnh-nav-btn:focus,
.sdnh-nav-btn:focus-visible,
.sdnh-nav-btn:active {
    outline: none;
    box-shadow: none;
    border-color: #ddd;
}

.sdnh-slider-dots {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 9px;
    margin-top: -14px;
}

.sdnh-slider-dot {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 50%;
    background: rgba(204, 164, 113, 0.28);
    padding: 0;
    cursor: pointer;
    transition: background-color 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
    opacity: 1;
}

.sdnh-slider-dot:hover {
    background: rgba(204, 164, 113, 0.55);
}

.sdnh-slider-dot.is-active {
    background: #cca471;
    transform: scale(1.08);
    opacity: 1;
}

.sdnh-slider-stage-wrap {
    position: relative;
    width: 100%;
}

.sdnh-slider-stage {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.sdnh-slider-stage > .sdnh-item {
    width: auto !important;
    max-width: none !important;
    min-width: 0 !important;
    flex: initial !important;
}

/* Mobile Responsiveness for Slider */
@media screen and (max-width: 768px) {
    .sdnh-course-slider {
        padding: 0;
        margin-top: 32px;
    }

    .sdnh-card,
    .sdnh-card-manual,
    .sdnh-card-manual-link,
    .sdnh-thumb-manual img {
        -webkit-tap-highlight-color: transparent;
    }

    .sdnh-card,
    .sdnh-card-manual,
    .sdnh-thumb-manual img {
        transition-duration: 0.18s !important;
    }

    .sdnh-card:hover,
    .sdnh-card:active,
    .sdnh-card:focus-within,
    .sdnh-card-manual:hover,
    .sdnh-card-manual:active,
    .sdnh-card-manual:focus-within,
    .sdnh-card-manual-link:hover,
    .sdnh-card-manual-link:active,
    .sdnh-card-manual-link:focus-within {
        transform: none !important;
        box-shadow: none !important;
    }

    .sdnh-item:hover .sdnh-thumb-manual img,
    .sdnh-item:active .sdnh-thumb-manual img,
    .sdnh-item:focus-within .sdnh-thumb-manual img,
    .sdnh-card-manual:hover .sdnh-thumb-manual img,
    .sdnh-card-manual:active .sdnh-thumb-manual img,
    .sdnh-card-manual:focus-within .sdnh-thumb-manual img,
    .sdnh-card-manual-link:hover .sdnh-thumb-manual img,
    .sdnh-card-manual-link:active .sdnh-thumb-manual img,
    .sdnh-card-manual-link:focus-within .sdnh-thumb-manual img {
        transform: none !important;
        filter: none !important;
    }

    .sdnh-nav-btn {
        display: none;
    }

    .sdnh-list-container {
        overflow: visible;
        padding: 0 10px 14px;
        box-sizing: border-box;
        width: 100%;
        position: relative;
    }

    .sdnh-item {
        flex: 0 0 calc((100% - 32px) / 3) !important;
        max-width: calc((100% - 32px) / 3) !important;
        padding: 4px 0 14px;
        margin-bottom: 20px;
        box-sizing: border-box;
    }

    /* Card Styles for Homepage */
    .sdnh-card {
        background: #fff;
        border: 1px solid rgba(0, 0, 0, 0.08);
        border-radius: 15px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        overflow: hidden;
        height: 100%;
        transition: transform 0.3s, box-shadow 0.3s;
        display: flex;
        flex-direction: column;
    }

    .sdnh-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    }

    .sdnh-thumb {
        position: relative;
        overflow: hidden;
        padding-bottom: 75%;
        /* 4:3 ratio */
    }

    .sdnh-thumb img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    .sdnh-details {
        padding: 15px;
        text-align: left;
        flex-grow: 1;
        display: flex;
        flex-direction: column;
    }

    .sdnh-name {
        font-size: 16px;
        font-weight: bold;
        margin-bottom: 8px;
        line-height: 1.3;
        min-height: 42px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .sdnh-name a {
        color: #333;
        text-decoration: none;
    }

    .sdnh-price {
        color: #cca471;
        font-weight: bold;
        font-size: 16px;
        margin-top: auto;
    }

    /* Navigation Buttons */
    .sdnh-nav-btn {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        background: #fff;
        border: 1px solid #ddd;
        color: #333;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s;
        z-index: 100;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.sdnh-nav-btn.sdnh-nav-left {
    left: -20px;
}

.sdnh-nav-btn.sdnh-nav-right {
    right: -20px;
}

    @media screen and (min-width: 1350px) {
        .sdnh-nav-btn.sdnh-nav-left {
            left: -60px;
        }

        .sdnh-nav-btn.sdnh-nav-right {
            right: -60px;
        }
    }

    .sdnh-nav-btn:hover {
        background: #cca471;
        color: #fff;
        border-color: #cca471;
    }

    /* Mobile Responsiveness for Slider */
    @media screen and (max-width: 768px) {
        .sdnh-nav-btn {
            display: none;
        }

        .sdnh-list-container {
            overflow: visible;
            /* Allow scroll past right edge */
            padding-right: 0;
            margin-right: 0;
            padding-bottom: 12px;
        }

        .course-section .col-12:has(.sdnh-course-slider) {
            padding-right: 0;
            overflow: visible;
        }

        .sdnh-list {
            overflow-x: visible;
        }

        .sdnh-item {
            flex: 0 0 70vw !important;
            width: 70vw !important;
            max-width: 70vw !important;
            min-width: 70vw !important;
            margin-bottom: 15px;
            padding: 0;
        }

        .sdnh-list::after {
            content: '';
            flex: 0 0 1px;
            width: 1px;
            padding-right: 20px;
        }

        .sdnh-card {
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1) !important;
            border: none !important;
        }

        .sdnh-thumb-manual {
            padding-bottom: 133.333%;
            border-radius: 10px;
            box-shadow: 0 12px 24px rgba(17, 17, 17, 0.14), 0 3px 10px rgba(17, 17, 17, 0.08);
        }
    }

/* Dynamic Course Header Alignment Utility Classes */
.course-header.align-left {
    text-align: left !important;
    border-left: 3px solid #cca471 !important;
    border-right: none !important;
    padding-left: 20px !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.course-header.align-right {
    text-align: right !important;
    border-right: 3px solid #cca471 !important;
    border-left: none !important;
    padding-right: 20px !important;
    padding-left: 0 !important;
    margin-right: 0 !important;
    margin-left: 0 !important;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.course-header.align-left .course-title,
.course-header.align-left .course-desc-wrapper,
.course-header.align-left .course-desc,
.course-header.align-left .sdnh-details,
.course-header.align-left .sdnh-name,
.course-header.align-left .sdnh-price {
    text-align: left !important;
}

.course-header.align-right .course-title,
.course-header.align-right .course-desc-wrapper,
.course-header.align-right .course-desc,
.course-header.align-right .sdnh-details,
.course-header.align-right .sdnh-name,
.course-header.align-right .sdnh-price {
    text-align: right !important;
}

.course-header.align-left .sdnh-course-btn {
    margin-left: 0 !important;
    margin-right: auto !important;
}

.course-header.align-right .sdnh-course-btn {
    margin-left: auto !important;
    margin-right: 0 !important;
}

@media screen and (min-width: 769px) {
    .course-section .course-header .course-title,
    .course-section .course-header .course-desc-wrapper,
    .course-section .course-header .course-desc,
    .course-section .course-header .sdnh-course-btn {
        width: 100%;
        max-width: 100%;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        text-indent: 0 !important;
    }

    .course-section .course-header .course-desc-wrapper {
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .course-section .course-header .course-title,
    .course-section .course-header .course-desc {
        display: block !important;
    }

    .course-section .course-header .sdnh-course-btn {
        display: block !important;
    }

    .course-section.sdnh-video-pos-right .sdnh-course-section-content {
        display: flex;
        justify-content: flex-start;
    }

    .course-section.sdnh-video-pos-left .sdnh-course-section-content {
        display: flex;
        justify-content: flex-end;
    }

    .course-section.sdnh-video-pos-right .sdnh-course-section-content .course-header,
    .course-section.sdnh-video-pos-left .sdnh-course-section-content .course-header {
        width: 100%;
        max-width: 100%;
    }

    .course-section .course-header.align-left {
        text-align: left !important;
        border-left: 3px solid #cca471 !important;
        border-right: none !important;
        padding-left: 20px !important;
        padding-right: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-start !important;
    }

    .course-section .course-header.align-right {
        text-align: right !important;
        border-right: 3px solid #cca471 !important;
        border-left: none !important;
        padding-right: 20px !important;
        padding-left: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: flex-end !important;
    }

    .course-section .course-header.align-left .course-title,
    .course-section .course-header.align-left .course-desc-wrapper,
    .course-section .course-header.align-left .course-desc,
    .course-section .course-header.align-left .sdnh-course-btn {
        text-align: left !important;
    }

    .course-section .course-header.align-right .course-title,
    .course-section .course-header.align-right .course-desc-wrapper,
    .course-section .course-header.align-right .course-desc,
    .course-section .course-header.align-right .sdnh-course-btn {
        text-align: right !important;
    }
}

@media screen and (min-width: 769px) {
    .course-section .sdnh-course-slider-col,
    .course-section .col-12:has(.sdnh-course-slider) {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    .course-section,
    .course-section .row,
    .course-section .col-12:has(.sdnh-course-slider),
    .course-section .sdnh-course-slider,
    .course-section .sdnh-slider-outer,
    .course-section .sdnh-list-container,
    .course-section .sdnh-list,
    .course-section .sdnh-item,
    .course-section .sdnh-card-manual,
    .course-section .sdnh-card-manual-link {
        overflow-x: auto !important;
        overflow-y: visible !important;
        -webkit-overflow-scrolling: touch;
    }

    .course-section .sdnh-slider-inner {
        overflow: visible !important;
    }

    .course-section .sdnh-list-container {
        padding: 18px 18px 26px !important;
        margin: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .course-section .sdnh-list {
        overflow: visible !important;
    }

    .course-section .sdnh-item {
        padding-top: 6px !important;
        padding-bottom: 22px !important;
    }
}

/* Desktop course slider:
   - no CSS clipping on slider wrappers
   - JS hides non-visible slides
   - visible slides keep natural shadows */
@media screen and (min-width: 769px) {
    .course-section .sdnh-course-slider {
        position: relative;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        background: transparent !important;
        box-shadow: none !important;
    }

    .course-section .sdnh-nav-btn {
        top: 50%;
        z-index: 5;
    }

    .course-section .sdnh-nav-btn.sdnh-nav-left {
        left: 12px !important;
        transform: translate(-50%, -50%) !important;
    }

    .course-section .sdnh-nav-btn.sdnh-nav-right {
        right: 12px !important;
        transform: translate(50%, -50%) !important;
    }

    .course-section .sdnh-course-slider {
        overflow: visible !important;
    }

    .course-section .sdnh-slider-outer {
        overflow: visible !important;
        padding: 0 !important;
        margin: 0 !important;
        box-sizing: border-box !important;
    }

    .course-section .sdnh-slider-inner {
        overflow: visible !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .course-section .sdnh-list-container {
        overflow: visible !important;
        padding: 0 0 18px !important;
        margin: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        border: none !important;
        background: transparent !important;
        box-shadow: none !important;
    }

    .course-section .sdnh-list-container::-webkit-scrollbar {
        display: none !important;
    }

    .course-section .sdnh-list {
        overflow: visible !important;
        padding: 8px 0 8px 12px !important;
        gap: 24px !important;
        transform: none !important;
        transition: none !important;
        will-change: auto;
        border: none !important;
        background: transparent !important;
        box-shadow: none !important;
    }

    .course-section .sdnh-item {
        padding: 0 !important;
        margin-bottom: 30px !important;
        flex: 0 0 calc((100% - 48px) / 3) !important;
        max-width: calc((100% - 48px) / 3) !important;
    }

    .course-section .sdnh-card-manual {
        box-shadow: none !important;
    }

    .course-section .sdnh-card-manual::before {
        box-shadow: 0 12px 26px rgba(17, 17, 17, 0.12), 0 4px 12px rgba(17, 17, 17, 0.06) !important;
    }

    .course-section .sdnh-card-manual:hover::before {
        box-shadow: 0 18px 34px rgba(17, 17, 17, 0.16), 0 8px 18px rgba(17, 17, 17, 0.08) !important;
    }

    .course-section .sdnh-item.is-js-hidden-slide {
        display: none !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }

    .course-section .sdnh-slider-stage-wrap {
        overflow: visible !important;
    }

    .course-section .sdnh-slider-stage {
        position: relative;
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 24px !important;
        margin: 0 !important;
        padding: 0 !important;
        transition: opacity 0.82s cubic-bezier(0.22, 1, 0.36, 1), transform 0.82s cubic-bezier(0.22, 1, 0.36, 1);
        transform-origin: center center;
    }

    .course-section .sdnh-slider-stage > .sdnh-item {
        width: auto !important;
        max-width: none !important;
        min-width: 0 !important;
        flex: initial !important;
        display: block !important;
        padding: 0 !important;
        margin-bottom: 30px !important;
    }

    .course-section .sdnh-slider-stage-wrap.is-animating .sdnh-slider-stage {
        position: relative;
        inset: auto;
    }

    .course-section .sdnh-slider-stage.is-stage-entering {
        opacity: 0;
    }

    .course-section .sdnh-slider-stage.is-stage-entering-next {
        transform: translateX(88px) scale(0.985);
    }

    .course-section .sdnh-slider-stage.is-stage-entering-prev {
        transform: translateX(-88px) scale(0.985);
    }

    .course-section .sdnh-slider-stage.is-stage-leaving {
        opacity: 0;
        pointer-events: none;
    }

    .course-section .sdnh-slider-stage.is-stage-leaving-next {
        transform: translateX(-88px) scale(0.985);
    }

.course-section .sdnh-slider-stage.is-stage-leaving-prev {
        transform: translateX(88px) scale(0.985);
    }
}

/* Final course slider cleanup */
@media screen and (max-width: 768px) {
    .course-section .sdnh-course-section-row {
        margin-bottom: 40px !important;
    }

    .course-section .sdnh-course-slider-col {
        padding-left: 0 !important;
        padding-right: 0 !important;
        overflow: visible !important;
    }

    .course-section .sdnh-course-slider {
        padding: 0 !important;
        margin-top: 32px !important;
        overflow: visible !important;
    }

    .course-section .sdnh-slider-outer,
    .course-section .sdnh-slider-inner {
        margin: 0 !important;
        padding: 0 !important;
        overflow: visible !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .course-section .sdnh-list-container {
        position: relative !important;
        left: auto !important;
        right: auto !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: auto !important;
        overflow-y: visible !important;
        -webkit-overflow-scrolling: touch;
        padding-top: 0 !important;
        padding-right: 15px !important;
        padding-bottom: 14px !important;
        padding-left: 0 !important;
        box-sizing: border-box !important;
        touch-action: pan-x pan-y;
        scrollbar-width: thin;
        scrollbar-color: #c9c9c9 #efefef;
    }

    .course-section .sdnh-list {
        display: flex !important;
        flex-wrap: nowrap !important;
        gap: 18px !important;
        width: max-content !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: visible !important;
        transform: none !important;
        transition: none !important;
        will-change: auto !important;
    }

    .course-section .sdnh-item {
        flex: 0 0 70vw !important;
        width: 70vw !important;
        max-width: 70vw !important;
        min-width: 70vw !important;
        margin: 0 0 15px !important;
        padding: 4px 0 14px !important;
        box-sizing: border-box !important;
    }

    .course-section .sdnh-list .sdnh-item:first-child {
        margin-left: 15px !important;
    }

    .course-section .sdnh-list .sdnh-item:last-child {
        margin-right: 15px !important;
    }

    .course-section .sdnh-list::after {
        content: none !important;
    }

    .course-section .sdnh-list-container::-webkit-scrollbar {
        height: 4px;
        -webkit-appearance: none;
    }

    .course-section .sdnh-list-container::-webkit-scrollbar-track {
        background: #efefef;
        border-radius: 999px;
    }

    .course-section .sdnh-list-container::-webkit-scrollbar-thumb {
        background: #c9c9c9;
        border-radius: 999px;
    }

    .sdnh-mobile-track {
        display: none !important;
    }
}