main {
    /* top: 150px; */
    padding-top: 100px;
}

/* ---------- MAIN SECTION ---------- */
.course-section {
    width: 100%;
    /* padding: 40px 20px; */
    padding: 40px 20px 120px;
    /* extra bottom so glass box bahar dikhe */
    display: flex;
    justify-content: center;
    position: relative;
}

/* ---------- VIDEO CONTAINER ---------- */
.video-container {
    position: relative;
    width: 100%;
    max-width: 1100px;
    height: 60vh;
    /* overflow: hidden; */
    overflow: visible;
    /* IMPORTANT – glass box ko bahar dikhne deta hai */
    border-radius: 20px;
}

/* Visible Background Video */
.bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(78%);
    cursor: pointer;
    border-radius: 15px;
}

/* Show video frame only */
#mainVideo {
    pointer-events: auto;
}

/* ---------- GLASS BOX ---------- */
.glass-box {
    position: absolute;
    /* bottom: 20px; */
    bottom: -25%;
    /* 80% box niche, 20% overlap visible */
    left: 50%;
    transform: translateX(-50%);

    /* width: 90%;*/
    width: 85%;
    height: 300px;
    /* height: 20%; */
    /* padding: 20px; */
    padding: 25px;

    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.4);

    border-radius: 18px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;

    color: var(--text-color, #fff);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}


/* when dark mode ON */
body.dark-mode .glass-box {
    background: rgba(255, 255, 255, 0.12) !important;
    color: #fff !important;
    border-color: rgba(255, 255, 255, 0.25) !important;
}

/* when light mode ON */
body:not(.dark-mode) .glass-box {
    background: rgba(255, 255, 255, 0.35) !important;
    color: #000 !important;
    border-color: rgba(0, 0, 0, 0.2) !important;
}


/* Buttons */
.btn-group {
    margin-top: 12px;
    display: flex;
    gap: 14px;
    justify-content: center;
}

.btn {
    padding: 10px 22px;
    border-radius: 30px;
    border: 1px solid #fff;
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}


body.dark-mode .btn {
    background: rgba(255, 255, 255, 0.12) !important;
    color: #fff !important;
    border-color: rgba(255, 255, 255, 0.25) !important;
}

/* when light mode ON */
body:not(.dark-mode) .btn {
    background: rgba(255, 255, 255, 0.35) !important;
    color: #000 !important;
    border-color: rgba(0, 0, 0, 0.2) !important;
}

/* .btn:hover {
    background: #fff;
    color: #000;
} */

/* ---------- POPUP VIDEO ---------- */
.popup {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
}


/* DARK MODE → Popup dark but slightly transparent */
body.dark-mode .popup {
    background: rgba(0, 0, 0, 0.85) !important;
}

/* LIGHT MODE → Popup light vibe */
body:not(.dark-mode) .popup {
    background: rgba(255, 255, 255, 0.85) !important;
}

body:not(.dark-mode) .close-btn {
    color: #000 !important;
}

body.dark-mode .close-btn {
    color: #fff !important;
}



.popup-content {
    position: relative;
    width: 80%;
    max-width: 900px;
}

.popup-content video {
    width: 100%;
    border-radius: 12px;
    max-height: 60vh;
    /* 👈 yaha se height set hogi */
    object-fit: contain;
}

/* Close button */
.close-btn {
    position: absolute;
    top: -35px;
    right: 0;
    font-size: 40px;
    cursor: pointer;
    color: #fff;
}

/* ---------- THEME COMPATIBILITY ---------- */
/* body.light .glass-box {
     background: rgba(255, 255, 255, 0.35);
    color: #000;
    border-color: rgba(0,0,0,0.2);
}

body.dark .glass-box {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: rgba(255,255,255,0.25);
} */

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1200px) {
    .video-container {
        height: 30vh;
    }
}

@media (max-width: 768px) {
    .glass-box {
        height: auto;
        /* padding: 15px; */
        width: 92%;
        bottom: -28%;
        /* mobile me thoda aur niche */
        padding: 18px;
    }

    .btn {
        padding: 8px 18px;
    }
}

@media (max-width: 480px) {
    .glass-box {
        bottom: -32%;
    }
}



/* <!-- **************************** section 2 *************************** --> */
/* WRAPPER SECTION */
.course-info-section {
    padding: 80px 20px;
    width: 100%;
    max-width: 1100px;
    margin: auto;
}

/* MINI HEADER MENU */
.course-mini-header {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    padding: 12px 20px;
    border-radius: 16px;
    position: relative;
    transition: 0.3s ease-in-out;
    opacity: 1;
    transform: translateY(0);
}

/* ON SCROLL → STICKY */
.course-mini-header.sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    border-radius: 0;
    z-index: 999;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    animation: miniSlide 0.45s ease forwards;
}

@keyframes miniSlide {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* DARK MODE */
body.dark-mode .course-mini-header {
    background: rgba(0, 0, 0, 0.5);
}

body.dark-mode .course-mini-header.sticky {
    background: rgba(0, 0, 0, 0.7);
}

/* MENU ITEMS */
.course-mini-menu {
    display: flex;
    justify-content: space-around;
    list-style: none;
    padding: 0;
    margin: 0;
}

.course-mini-menu li {
    cursor: pointer;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 10px;
    transition: 0.3s ease;
}

.course-mini-menu li.active {
    background: #ff6600;
    color: white;
}

/* DARK ACTIVE COLOR */
body.dark-mode .course-mini-menu li.active {
    background: #ff6600;
}

/* CONTENT BOX */
.course-content-box {
    margin-top: 40px;
}

.course-content {
    margin-bottom: 60px;
    opacity: 1;
    visibility: visible;
    height: auto;
    overflow: visible;
}


.detail-para {
    margin-bottom: 20px;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .course-mini-menu {
        gap: 10px;
        overflow-x: auto;
    }

    .course-mini-menu li {
        white-space: nowrap;
    }
}



/* OUTER BOX */
.course-detail-box {
    border: 2px solid #dcdcdc;
    padding: 25px;
    border-radius: 20px;
    margin-top: 30px;
    animation: fadeIn 0.6s ease;
}

/* HEADING */
.detail-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
}

/* FLEX/ GRID */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 25px;
    /* display: flex;
    flex-direction: column;
    gap: 20px; */
}

/* CARD */
.detail-card {
    display: flex;
    gap: 15px;
    padding: 18px 20px;
    border-radius: 18px;
    border: 2px solid #e2e2e2;
    transition: 0.3s ease;
    cursor: pointer;
    background: #fff;
    animation: slideUp 0.5s ease;
}

.detail-card:hover {
    transform: translateY(-4px);
    border-color: #0066ff;
}

/* ICON BOX */
.detail-icon {
    min-width: 45px;
    height: 45px;
    border-radius: 12px;
    background: #f0f4ff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    color: #0055ff;
}

/* TEXT */
.detail-info h4 {
    font-size: 17px;
    font-weight: 600;
}

.detail-info p {
    font-size: 14px;
    opacity: 0.8;
}


/* DARK MODE */
body.dark-mode .course-detail-box {
    border-color: rgba(255, 255, 255, 0.3);
}

body.dark-mode .detail-card {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.2);
}

body.dark-mode .detail-icon {
    background: rgba(255, 255, 255, 0.1);
    color: #66aaff;
}

/* ANIMATIONS */
@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* MOBILE: HIDE MINI MENU + REMOVE ANIMATION + NORMAL LAYOUT */
@media (max-width: 768px) {

    /* MINI MENU completely hidden */
    .course-mini-header {
        display: none !important;
    }

    /* STOP sticky behavior just in case */
    .course-mini-header.sticky {
        position: static !important;
        animation: none !important;
        transform: none !important;
        opacity: 1 !important;
    }

    /* GRID → 1 CARD PER ROW */
    .detail-grid {
        grid-template-columns: 1fr !important;
    }

    /* REMOVE slide animation on cards */
    .detail-card {
        animation: none !important;
        transform: none !important;
    }
}



/* ******************************************************************************************************************* */
/* Course Flush Accordion**************** */

.accordion-flush .accordion-item {
    border: 0;
    border-bottom: 1px solid #ddd;
    position: relative;
    /* padding: 0px 50px; */
    width: 1050px;
    margin: auto;
}

.accordion-button {
    width: 100%;
    padding: 1rem;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    cursor: pointer;
    outline: none;
    transition: background 0.2s ease;
    position: relative;
    padding: 20px;
}

.dark-mode .accordion-button {
    color: #ffff;
}

/* HOVER DETAIL TEXT */
.hover-detail {
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9.8rem;
    /* color: #888888; */
    opacity: 0;
    transition: opacity 0.3s ease;
}

.accordion-body p {
    font-size: 19px;
}

.accordion-button:hover .hover-detail {
    opacity: 1;
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1rem;
}

.accordion-item.activee .accordion-body {
    max-height: 600px;
    padding: 1rem;
}

.accordion-button::after {
    content: "\25BC";
    float: right;
    transition: transform 0.3s;
}

.accordion-item.activee .accordion-button::after {
    transform: rotate(180deg);
}

.link-section a {
    color: #ff6600;
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    max-width: 700px;
    border: 1px solid orange;
    border-radius: 20px;
    padding: 10px 20px;
    margin-right: 30px;
    display: inline;
}

.link-section i {
    color: orange;

}

/* .link-section a {
    flex-direction: 40%;
    text-decoration: none;
} */

.link-section a i {
    margin-left: 20px;
    font-size: 15px;
}

/* ========== RESPONSIVE START ========== */

/* Tablet */
@media (max-width: 1100px) {
    .hover-detail {
        right: 20px;
        font-size: .8rem;
    }

}

/* Mobile */
@media (max-width: 1150px) {
    .accordion-flush .accordion-item {
        width: 100%;
        padding: 10px;
    }

    .accordion-button {
        padding: 15px;
        font-size: 1rem;
    }

    .hover-detail {
        display: none;
        /* Mobile pe hover text hide */
    }

    .link-section a {
        max-width: 100%;
        padding: 10px 15px;
        font-size: 15px;
        display: flex;
        justify-content: space-between;
        margin: 20px 0px;
    }

}

/* Small Mobile */
@media (max-width: 1100px) {
    .accordion-button {
        font-size: .9rem;
    }

    .link-section a {
        font-size: 14px;
        padding: 18px 12px;
    }
}

/* ========== RESPONSIVE END ========== */



/* Course Flush Accordion end**************** */